A Virtual Young's Double Slit Experiment for Hard X-ray Photons (2009)
Isakovic, A. F., Stein, A., Warren, J. B., Sandy, A. R., Narayanan, S., Sprung, M., ...
We have implemented a virtual Young's double slit experiment for hard X-ray photons with micro-fabricated bi-prisms. We observe fringe patterns with a scintillator, and quantify interferograms by...
First LIGO search for gravitational wave bursts from cosmic (super)strings (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We report on a matched-filter search for gravitational wave bursts from cosmic string cusps using LIGO data from the fourth science run (S4) which took place in February and March 2005. No...
Searches for gravitational waves from known pulsars with S5 LIGO data (2009)
Collaboration, The LIGO Scientific, Abbott, R., Acernese, F., Adhikari, R., Ajith, P., ...
We present a search for gravitational waves from 116 known millisecond and young pulsars using data from the fifth science run of the LIGO detectors. For this search ephemerides overlapping the run...
Search for gravitational wave ringdowns from perturbed black holes in LIGO S4 data (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
According to general relativity a perturbed black hole will settle to a stationary configuration by the emission of gravitational radiation. Such a perturbation will occur, for example, in the...
Collaboration, LIGO Scientific, Abbott, R., Acernese, F., Adhikari, R., Ajith, P., ...
We present the results of a search for gravitational-wave bursts associated with 137 gamma-ray bursts (GRBs) that were detected by satellite-based gamma-ray experiments during the fifth LIGO science...
Stacked Search for Gravitational Waves from the 2006 SGR 1900+14 Storm (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We present the results of a LIGO search for short-duration gravitational waves (GWs) associated with the 2006 March 29 SGR 1900+14 storm. A new search method is used, "stacking" the GW data around...
Abbott, B. P., Abbott, R., Adhikari, R., Ajith , P., Allen, B., Allen, G., ...
We report on a search for gravitational waves from coalescing compact binaries, of total mass between 2 and 35M_☉, using LIGO observations between November 14, 2006 and May 18, 2007. No...
Einstein@Home search for periodic gravitational waves in early S5 LIGO data (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
This paper reports on an all-sky search for periodic gravitational waves from sources such as deformed isolated rapidly spinning neutron stars. The analysis uses 840 hours of data from 66 days of the...
Optimal spatial sampling scheme to characterize mine tailings (2009)
Debba, P, Carranza, EJM, Stein, A, Van Der Meer, FD
57th Biennial Session of the International Statistical Institute, Durban, South Africa, 16-22 August, 2009
LIGO: the Laser Interferometer Gravitational-Wave Observatory (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P, Allen, B., Allen, G., ...
The goal of the Laser Interferometric Gravitational-Wave Observatory (LIGO) is to detect and study gravitational waves (GWs) of astrophysical origin. Direct detection of GWs holds the promise of...
CRYPTOGRAPHIC PROTOCOLS ON REAL HYPERELLIPTIC CURVES (2009)
M. J. Jacobson, R. Scheidler, A. Stein
(Communicated by Edlyn Teske) Abstract. We present public-key cryptographic protocols for key exchange, digital signatures, and encryption whose security is based on the presumed intractability of...
An upper limit on the stochastic gravitational-wave background of cosmological origin (2009)
Abbott, B. P., Abbott, R., Acernese, F., Adhikari, R., Ajith, P., Allen, B., ...
A stochastic background of gravitational waves is expected to arise from a superposition of a large number of unresolved gravitational-wave sources of astrophysical and cosmological origin. It should...
LIGO: the Laser Interferometer Gravitational-Wave Observatory (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
The goal of the Laser Interferometric Gravitational-Wave Observatory (LIGO) is to detect and study gravitational waves (GWs) of astrophysical origin. Direct detection of GWs holds the promise of...
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We have searched for gravitational waves from coalescing low mass compact binary systems with a total mass between 2M(circle dot) and 35M(circle dot) and a minimum component mass of 1M(circle dot)...
Stacked Search for Gravitational Waves from the 2006 SGR 1900+14 Storm (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We present the results of a LIGO search for short-duration gravitational waves (GWs) associated with the 2006 March 29 SGR 1900+14 storm. A new search method is used, "stacking" the GW data around...
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We have searched for gravitational waves from coalescing low mass compact binary systems with a total mass between 2M/sub o/ and 35M/sub o/ and a minimum component mass of 1M/sub o/ using data from...
Lechner, A.M., Stein, A., Jones, S.D., Ferwerda, J.G.
The accurate mapping of small, often fragmented and linear vegetation patches is of key importance for natural resource management because of their ecological significance. However, due to their...
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We have searched for gravitational waves from coalescing low mass compact binary systems with a total mass between 2M_([sun]) and 35Mz-([sun]) and a minimum component mass of 1M_([sun]) using data...
Einstein@Home search for periodic gravitational waves in early S5 LIGO data (2009)
LIGO Sci Collaboration, Abbott, BP, Abbott, R, Adhikari, R, Ajith, P, Allen, B, ...
Optimal exploration target zones (2008)
Debba, P, Carranza, EJM, Stein, A, Van Der Meer, FD
Paper presented at the 2008 Free and Open Source Software for Geospatial Conference 29 September - 3 October 2008 "Open Source Geospatial: An Option for Developing Nations",Cape Town International...
Voronoi's Algorithm in Purely Cubic Congruence Function Fields of Unit Rank 1 (2008)
Abstract. The first part of this paper classifies all purely cubic function fields over a finite field of characteristic not equal to 3. In the remainder, we describe a method for computing the...
Deriving optimal exploration target zones on mineral prospectivity maps (2008)
Debba, P, Carranza, EJM, Stein, A, Van Der Meer, FD
This publication is copyright owned by Internation Association for Mathematical Geology, but published by/under Springer Berlin
Fourier-transform spectroscopy of Sr2 and revised ground state potential (2008)
Stein, A., Knöckel, H., Tiemann, E.
Precise potentials for the ground state X1Sigma+g and the minimum region of the excited state 2_1Sigma+u of Sr2 are derived by high resolution Fourier-transform spectroscopy of fluorescence...
Geochemical sampling scheme optimization on mine wastes based on hyperspectral data (2008)
International Society for Photogrammetry and Remote Sensing
Field Sampling from a Segmented Image (2008)
Debba, P, Stein, A, Van Der Meer, FD, Carranza, EJM, Lucieer, A
The original publication is available at www.springerlink.com
Field sampling from a segmented image (2008)
Debba, P, Stein, A, Van Der Meer, FD, Carranza, EJM, Lucieer, A
This presentation was on Spatial Clustering as future research areas with NRE and Meraka. The aim was to start research on Spatial Clustering by incorporating spatialness into the algorithm and to...
A. K. Bregt, S. De Bruin, A. Stein
Spatial variability in classification accuracy of agricultural crops in the Dutch national land-cover database
Square-Root Algorithms & Hyperelliptic Curves (2008)
A. Stein, E. Teske, K. Matsuo, J. Chao, S. Tsujii
Abstract / background: Square-root algorithms to solve discrete logarithms (Shanks ' baby step- giant step, Pollard's Rho, and Pollard's kangaroo algorithms) play a crucial role in...
EFFICIENT DIVISOR ARITHMETIC ON REAL HYPERELLIPTIC CURVES (2008)
M. Jacobson, R. Scheidler, A. Stein
curve for use in public-key cryptographic protocols. Hyperelliptic curves are in a sense generalizations of elliptic curves. The Jacobian is a finite abelian group which, like elliptic curve groups,...
FASTER CRYPTOGRAPHIC KEY EXCHANGE ON HYPERELLIPTIC CURVES (2008)
M. J. Jacobson, R. Scheidler, A. Stein
Abstract. We present a new approach to key exchange based on divisor arithmetic for the real model of a hyperelliptic curve over a finite field, as opposed to the imaginary representation that is...
Monitoring of French Polynesia coral reefs and their recent development (2008)
SALVAT, B, AUBANEL, A, ADJEROUD, M, BOUISSET, P, CALMET, D, CHANCERELLE, Y, ...
Monitoring of French Polynesia coral reefs and their recent development.-French Polynesia, consisting of 118 islands in the centre of the Pacific Ocean, has more than 15 000 km(2) of reefs and...
Dumont, E.L., Bakker, E.J., Bouwman, L., Kroeze, C., Leemans, R., Stein, A.
We describe a framework (FAMOS) to identify the appropriate spatial and temporal scales for nitrogen (N) flow models. FAMOS has been developed for models of N export from large watersheds. With...
THE GROUND STATE OF THE LiRb MOLECULE (2008)
Pashov, A., Ivanova, M., Stein, A., Knockel, H., Tiemann, E.
Author Institution: Department of Physics, Sofia University, 5 J. Bourchier blvd, 1164 Sofia; Leibniz Universitat Hannover, Institut fur Quantenoptik, Welfengarten 1, 30167 Hannover, Germany
Hyperspectral remote sensing of defoliation intensity and competitive ability of forage grass (2008)
Bemigisha, J., Skidmore, A.K., Stein, A., Prins, H.H.T., Cho, M.A., ...
Gort, G., Koopman, W.J.M., Stein, A.
AFLP is a frequently used DNA fingerprinting technique that is popular in the plant sciences. A problem encountered in the interpretation and comparison of individual plant profiles, consisting of...
Field Sampling from a Segmented Image (2008)
Debba, P, Stein, A, Van Der Meer, FD, Carranza, EJM, Lucieer, A
This paper presents a statistical method for deriving theoptimal prospective field sampling scheme on a remote sensing imageto represent different categories in the field. The iterated...
Besseling, N.C., Bokhove, O., Kolechkina, A., Molenaar, J., Van Nooyen, R., Rottschäfer, V., ...
Due to climate changes that are expected in the coming years, the characteristics of the rainfall will change. This can potentially cause flooding or have negative influences on agriculture and...
Determinants of synaptobrevin regulation in membranes (2007)
Siddiqui, T. J., Vites, O., Stein, A., Heintzmann, R., Jahn, R., Fasshauer, D.
Testing the spatial significance of weed patterns in arable land using Mead's test (2007)
Heijting, S., Kruijer, W., Stein, A.
There is a need in weed science for statistical tests for patchiness and spatial pattern. The objective of this study was to investigate the performance of Mead¿s test for detecting patterns in...
Are weed patches stable in location? Application of an explicitly two-dimensional methodology (2007)
Heijting, S., Stein, A., Kropff, M.J.
Field observations were made in three years continuous maize cultivation in the Netherlands to study the spatial pattern and stability of spatial pattern over time in agricultural weeds....
Remotely sensed images are increasingly being used for collection of spatial information. A wide development in sensor systems has occurred during the last decades, resulting in improved spatial,...
Remotely sensed images are increasingly being used for collection of spatial information. A wide development in sensor systems has occurred during the last decades, resulting in improved spatial,...
Analyzing spatial count data, with an application to weed counts (2007)
Kruijer, W., Stein, A., Schaafsma, W., Heijting, S.
Count data on a lattice may arise in observational studies of ecological phenomena. In this paper a hierarchical spatial model is used to analyze weed counts. Anisotropy is introduced, and a...
Fast Arithmetic on Hyperelliptic Curves Via Continued Fraction Expansions (2007)
M. J. Jacobson, R. Scheidler, A. Stein
In this paper, we present a new algorithm for computing the reduced sum of two divisors of an arbitrary hyperelliptic curve. Our formulas and algorithms are generalizations of Shanks’s NUCOMP...
Remotely sensed images are increasingly being used for collection of spatial information. A wide development in sensor systems has occurred during the last decades, resulting in improved spatial,...
Identification of basin characteristics influencing spatial variation of river flows (2006)
The selection of basin characteristics that explain spatial variation of river flows is important for hydrological regionalization as this enables estimation of flow statistics of ungauged basins. A...
A bootstrap procedure to select hyperspectral wavebands related to tannin content (2006)
Ferwerda, J.G., Skidmore, A.K., Stein, A.
Detection of hydrocarbons in plants with hyperspectral remote sensing is hampered by overlapping absorption pits, while the `optimal' wavebands for detecting some surface characteristics (e.g....
Fragment Length Distributions and Collision Probabilities for AFLP Markers (2006)
Gort, G., Koopman, W.J.M., Stein, A.
AFLP is a DNA fingerprinting technique frequently used in plant and animal sciences. A drawback of the technique is the occurrence of multiple DNA fragments of the same length in a single AFLP lane,...
We present a method that combines uncertain air quality measurements with uncertain secondary information from an atmospheric dispersion model. The method combines external drift kriging and a...
Koelemeijer, R.B.A., Dekkers, A.L.M., Schaap, M., Homan, C.D., Stein, A.
This paper illustrates the use of statistical techniques to standardize ground based measurements of particulate matter (PM10). Concentrations are interpolated over Western Europe using uncertain...
Promotoren Prof, A. Stein, Prof Dr, M. J. Kraak, ...
visualizing dynamic landscape objects and their qualities
Lucieer, A., Stein, A., Fisher, P.F.
In this study, a segmentation procedure is proposed, based on grey-level and multivariate texture to extract spatial objects from an image scene. Object uncertainty was quantified to identify...
Lucieer, A, Stein, A, Fisher, PF
In this study, a segmentation procedure is proposed, based on grey-level and multivariate texture to extract spatial objects from an image scene. Object uncertainty was quantified to identify...
Lucieer, A., Stein, A., Fisher, P.F.
In this study, a segmentation procedure is proposed, based on grey-level and multivariate texture to extract spatial objects from an image scene. Object uncertainty was quantified to identify...
Use of single- and multi-source image fusion for statistical decision-making (2005)
In this paper, we explore the use of single- and multi-source image fusion for statistical decision-making. On the basis of usability and loss functions, two image fusion procedures are formulated....
Use of the Brandley-Terry Model to Quantify Association in Remotely Sensed Images (2005)
Stein, A., Aryal, J., Gort, G.
Thematic maps prepared from remotely sensed images require a statistical accuracy assessment. For this purpose, the\$kappa\$-statistic is often used. This statistic does not distinguish between...
A variance and covariance equation for area estimates with a Geographic Information System (2005)
Stein, A., Bregt, A.K., Kuipers, J.
Geographic Information Systems automatically calculate the area of a polygon from the coordinate values of the vertices that describe its boundary. Uncertainty in these coordinate values results in...
Identification and mapping of associations among soil variables (2005)
Braimoh, A., Stein, A., Vlek, P.
Assessment and management of soil quality for agricultural land use planning in Northern Ghana is important as a consequence of increasing competition for land among many land uses. It requires...
Texture-based landform segmentation of LiDAR Imagery (2005)
In this study, we implement and apply a region growing segmentation procedure based on texture to extract spatial landform objects from a light detection and ranging (LiDAR) digital surface model...
Mazvimavi, D, Meijerink, A.M.J., Savenije, H.H.G., Stein, A.
The feasibility of predicting flow characteristics from basin descriptors using multiple regression and neural networks has been investigated on 52 basins in Zimbabwe. Flow characteristics considered...
Dekkers, A.L.M., Velders, G.J.M., Stein, A.
This paper discusses two model-based geostatistical methods for spatial interpolation of the number of days that ground level ozone exceeds a threshold level. The first method assumes counts to...
Complexity metrics to quantify semantic accuracy in segmented Landsat images (2005)
This paper addresses semantic accuracy in relation to images obtained with remote sensing. Semantic accuracy is defined in terms of map complexity. Complexity metrics are applied as a metric to...
Lucieer, A., Stein, A., Fisher, P.
In this study, a segmentation procedure is proposed, based on grey¿level and multivariate texture to extract spatial objects from an image scene. Object uncertainty was quantified to identify...
Paulo, M.J., Tomé, M., Otten, A., Stein, A.
The cork oak (Quercus suber L.) is an evergreen oak that has the ability to produce a continuous layer of cork tissue which regenerates after being removed. Cork oak stands can be diverse in...
The effect of regular burning of woodland vegetation in Africa over an extended period (46 years) was studied in the Murchison Falls National Park, Uganda. Areas identified as having different...
Thiel, U., Brocks, H., Dirsch-Weigand, A., Everts, A., Frommholz, I., Stein, A.
In contrast to standard digital libraries, systems addressing the specific requirements of cultural heritage need to deal with digitized material like scanned documents instead of home digital items....
Lucieer, A, Stein, A, Fisher, PF
In this study, a segmentation procedure is proposed, based on grey-level and multivariate texture to extract spatial objects from an image scene. Object uncertainty was quantified to identify...
Lodder-Verschoor, F., Husman, A.M.R., Stein, A., Poel, W.H.M.
Consumption of virus-contaminated shellfish has caused numerous outbreaks of gastroenteritis and hepatitis worldwide. In The Netherlands, oysters are cultured and imported both for consumption and...
Texture-based segmentation of LiDAR imagery (2005)
In this study, we implement and apply a region growing segmentation procedure based on texture to extract spatial landform objects from a light detection and ranging (LiDAR) digital surface model...
Texture-based segmentation of LiDAR imagery (2005)
In this study, we implement and apply a region growing segmentation procedure based on texture to extract spatial landform objects from a light detection and ranging (LiDAR) digital surface model...
Lucieer, A, Stein, A, Fisher, PF
In this study, a segmentation procedure is proposed, based on grey-level and multivariate texture to extract spatial objects from an image scene. Object uncertainty was quantified to identify...
Texture-based segmentation of LiDAR imagery (2005)
In this study, we implement and apply a region growing segmentation procedure based on texture to extract spatial landform objects from a light detection and ranging (LiDAR) digital surface model...
Metrics: What Do We Measure, What Does It Tell Us? Selection (2004)
A selection criteria for metrics is given related to customer
Variability in per cell classification accuracy is predominantly modelled with land-cover class as the explanatory variable, i.e. with users' accuracies from the error matrix. Logistic regression...
A generic framework for spatial prediction of soil variables based on regression-kriging (2004)
Hengl, T., Heuvelink, G.B.M., Stein, A.
A methodological framework for spatial prediction based on regression-kriging is described and compared with ordinary kriging and plain regression. The data are first transformed using logit...
Land evaluation for maize based on fuzzy set and interpolation (2004)
Braimoh, A., Vlek, P., Stein, A.
The objective of this article is to apply fuzzy set and interpolation techniques for land suitability evaluation for maize in Northern Ghana. Land suitability indices were computed at point...
Prediction of base flows from catchment characteristics: a case study from Zimbabwe (2004)
Mazvimavi, D, Meijerink, A.M.J., Stein, A.
Base flows make up the flows of most rivers in Zimbabwe during the dry season. Prediction of base flows from basin characteristics is necessary for water resources planning of ungauged basins. Linear...
Estimation of disaggregated canal water deliveries in Pakistan using geomatics (2004)
Stein, A., Bastiaanssen, W.G.M.
Lack of accurate information on water distribution within an irrigation system is a major roadblock for effective management of scarce water resources. Numerical techniques to estimate canal water...
Determinants of liposome fusion mediated by synaptic SNARE proteins (2004)
Schuette, C. G., Hatsuzawa, K., Margittai, M., Stein, A., Riedel, D., Kuester, P., ...
COLLATE - A collaboratory supporting research on historic European films (2004)
Thiel, U., Brocks, H., Frommholz, I., Dirsch-Weigand, A., Keiper, J., Stein, A., ...
Comparison of ecosystems and land use studies often require the use of non-classical statistics. This paper describes modern ways of approaching optimal sampling for ecological and environmental...
Watching Wildlife from Space (2003)
Heitkönig, I.M.A., Ringrose, S., Epema, G.F., Bonyongo, M.C., Veenendaal, E.M., Stein, A., ...
Soil sampling strategies for spatial prediction by correlation with auxiliary maps (2003)
Hengl, T., Rossiter, D., Stein, A.
The paper evaluates spreading of observations in feature and geographical spaces as a key to sampling optimisation for spatial prediction by correlation with auxiliary maps. Although auxiliary data...
Zhou, Y., Stein, A., Molenaar, M.
Differential Synthetic Aperture Radar (SAR) interferometric (D-InSAR) data of ground surface deformation are affected by several error sources associated with image acquisitions and data processing....
Existential uncertainty of spatial objects segmented from satellite sensor imagery (2002)
This research addresses existential uncertainty of spatial objects derived from satellite sensor imagery. An image segmentation technique is applied at various values of splitting and merging...
Optimization of a monitoring network for sulfur oxide (2002)
Boer, E.P.J., Dekkers, A.L.M., Stein, A.
Received for publication February 5, 2001. In this study, we develop and apply a methodology to reduce an existing monitoring network to find an optimal configuration of a smaller network. We use a...
Paulo, M.J., Stein, A., Tomé, M.
This paper considers competition among cork oaks (Quercus suber L.) at three plots in two representative Portuguese stands. It uses spatial point pattern functions to describe densities and quantify...
Effects of interpolation and data resolution on methane emission estimates from rice paddies (2002)
Verburg, P.H., Stein, A., Adiningsih, S.
Rice paddies are an important source of the greenhouse gas methane (CH4). Global methane emission estimates are highly uncertain and do not account for effects of interpolation or data resolution...
Parameter estimates, obtained from airborne surveys of wildlife populations, often have large bias and large standard errors. Sampling error is one of the major causes of this imprecision and the...
Nangendo, G., Stein, A., Gelens, M., Albricht, R.
Mosaics of natural forest and grassland tracts in sub-Saharan Africa provide differences in woody species biodiversity. These mosaics are of considerable interest as they are a major biodiversity...
Existential uncertainty of spatial objects segmented from satellite sensor imagery (2002)
This research addresses existential uncertainty of spatial objects derived from satellite sensor imagery. An image segmentation technique is applied at various values of splitting and merging...
Bestandsaufnahme mit Antennenmatrix (2002)
Stein, A., Pflaum, A., Prockl, G., Gehrmann, V., Boegel, G.V., Kille, C.
DE 10111956 C UPAB: 20020823 NOVELTY - Device for stock taking in a storage device comprises an antenna matrix (1, 1') made from several individual antennae (1a, 1b), and a number of individual...
How to incorporate collaborative discourse in cultural digital libraries (2002)
Brocks, H., Stein, A., Frommholz, I., Thiel, U., Dirsch-Weigand, A.
Existential uncertainty of spatial objects segmented from satellite sensor imagery (2002)
This research addresses existential uncertainty of spatial objects derived from satellite sensor imagery. An image segmentation technique is applied at various values of splitting and merging...
Existential uncertainty of spatial objects segmented from satellite sensor imagery (2002)
This research addresses existential uncertainty of spatial objects derived from satellite sensor imagery. An image segmentation technique is applied at various values of splitting and merging...
Yakirevich, E., Yanai, O., Sova, Y., Sabo, E., Stein, A., Hiss, J., ...
BACKGROUND: Most testicular and epididymal lymphocytes express T-cell markers, but their cytotoxic potential and activation status have not been reported. In this study, distribution of the cytotoxic...
Circle ligation of in vitro assembled chromatin indicates a highly flexible structure (2002)
Stein, A., Dalal, Y., Fleury, T. J.
Evidence is provided that some condensed linker histone‐containing chromatin structures are highly flexible in solutions containing 2 mM Mg2+. Chromatin assembled in vitro ± histone H5 on...
Issues of scale for environmental indicators (2001)
Stein, A., Riley, J., Halberg, N.
The value of environmental indicators largely depends upon the spatial and temporal scale that they represent. Environmental indicators are dependent upon data availability and also upon the scale...
Spatial interaction of methylene blue stained soil pores (2001)
In this paper, we compare different types of patterns that emerge when applying methylene blue dye as a tracer on soils to detect preferential flow paths as a result of large cracks. Patterns on...
Participatory evaluation for environmental indicators (2001)
Goma, H.C., Rahim, K., Nangendo, G., Riley, J., Stein, A.
Participatory research has emerged as a powerful tool to identify agro-ecosystem indicators in developing countries. Indigenous knowledge, thus generated complements scientific information to the...
This study illustrates the use of modern statistical procedures for better wildlife management by addressing three key issues: determination of abundance, modeling of animal distributions and...
Hess, D., Payne, W., Stein, A.
This paper describes how spatial statistical techniques may be used to analyse weed occurrence in tropical fields. Quadrat counts of weed numbers are available over a series of years, as well as data...
Khaemba, W.M., Stein, A., Rasch, D., Georgiadis, N.
This paper compares the distribution, sampling and estimation of abundance for two animal species in an African ecosystem by means of an intensive simulation of the sampling process under a...
A Wavelet Characterization of High-Resolution NDVI patterns for precision Agriculture (2001)
Epinat, V., Stein, A., Bouma, J.
This paper presents a quantitative analysis of patterns visible in high-resolution NDVI images obtained from airborne remote sensing. Attention focuses on the use of wavelets to distinguish patterns...
A wavelet characterization of high-resolution NDVI patterns for precision agriculture (2001)
Epinat, V., Stein, A., Bouma, J.
This paper presents a quantitative analysis of patterns visible in high-resolution NDVI images obtained from airborne remote sensing. Attention focuses on the use of wavelets to distinguish patterns...
A spatial analysis of a population of red fox (Vulpes vulpes) in the Dutch coastal dune area (2001)
Dekker, J.J.A., Stein, A., Heitkönig, I.M.A.
The red fox Vulpes vulpes is usually classi?ed as being territorial, dispersing or transient. Past studies have focused almost exclusively on territorial or dispersing foxes, leaving transient foxes...
Development of a method for a quantitative evaluation of region oriented policy (2001)
Modern environmental policy implementation in many developed countries is increasingly regionally oriented. Regional governments have undertaken measures designed for the specific needs of the region...
Stolk, C., Stein, A., Slumpa, S.B., Tiase, S.K.
Knowledge of the spatial distribution of stored product insects may reduce the dependency on chemicals for control of these insects. Biological control, for instance, could be improved based on such...
COLLATE - Historische Filmforschung in einem verteilten Annotationssystem im WWW (2001)
Brocks, H., Dirsch-Weigand, A., Keiper, J., Stein, A., Thiel, U.
Bryden, K.S., Peveler, R.C., Stein, A., Neil, A., Mayou, R.A., Dunger, D.B.
OBJECTIVE—To determine the clinical and psychological course of diabetes through adolescence and the relationship with glycemic control in young adulthood. RESEARCH DESIGN AND METHODS—A...
Issues of scale for environmental indicators (2001)
Stein, A., Riley, J., Halberg, N.
The value of environmental indicators largely depends upon the spatial and temporal scale that they represent. Environmental indicators are dependent upon data availability and also upon the scale...
Lienen, F. Van, Frapporti, G., Stein, A.
A soil-quality map is at present an important tool to integrate laws on soil quality with regional infrastructural works. Basic data are commonly available, but soil quality is an indicator that has...
Systematic adaptive cluster sampling for the assessment of rare tree species in Nepal (2000)
Acharya, B., Bhattarai, G., Stein, A.
Sampling to assess rare tree species poses methodic problems, because they may cluster and many plots with no such trees are to be expected. We used systematic adaptive cluster sampling (SACS) to...
Bechini, L., Ducco, G., Donatelli, M., Stein, A.
Global solar radiation data used as daily inputs for most cropping systems and water budget models are frequently available from only a few weather stations and over short periods of time. To...
This paper applies generalised linear statistical techniques in a GIS to analyse wildlife data from a Kenyan wildlife reserve and its surrounding areas. Attention focuses on the spatial distribution...
Use of decision trees to value investigation strategies for soil pollution problems (2000)
Remediation of a contaminated site usually requires costly actions, and several clean-up and sampling strategies may have to be compared by those involved in the decision-making process. In this...
Field research for the authorisation of pesticides (2000)
Brussaard, L., Stein, A., Baerselman, F., Brock, T.C.M., ...
On request of the Dutch government a committee of the Health Council of the Netherlands has reviewed the role that results of field research in its broadest sense (i.e., including multi-species...
Optimizing spatial sampling for multivariate contamination in urban areas (2000)
Effectiveness of regular sampling grids to collect multivariate contamination data in urban areas is often strongly reduced by buildings and boundary effects. In addition, earlier observations and...
A soil-quality map is at present an important tool to integrate laws on soil quality with regional infrastructural works. Basic data are commonly available, but soil quality is an indicator that has...
Field Research for the Authorisation of Pesticides (2000)
Brussaard, L., Stein, A., Baerselman, F., Brock, T.C.M., ...
Stein, A., Holb, I., Jeger, M.J.
Monilinia fructigena (Aderh. & Ruhl.) Honey causes considerable yield losses in pome fruit culture. During a field study in the Netherlands in 1997 and 1998, the increase in disease incidence in time...
An expert support model for in situ soil remediation (2000)
This article presents an expert support model for in situ soil remediation. It combines knowledge and experiences obtained from previous in situ soil remediations. The aim of this model is to...
Use of decision trees to value investigation strategies for soil pollution problems (2000)
Remediation of a contaminated site usually requires costly actions, and several clean-up and sampling strategies may have to be compared by those involved in the decision-making process. In this...
Grandah, M., Stein, A., Brouwer, J., Bouma, J.
This paper focuses on possibilities for using a simple scoring technique to make estimates of millet yield. Estimates are intended to be used for defining application rates of manure in the context...
Field research for the authorisation of pesticides (2000)
Brussaard, L., Stein, A., Baerselman, F., De Heer, H., Brock, T.C.M., ...
Verhagen, A., Stein, A., Epinat, V.
In this paper spatial patterns of simulated water limited potato production for a farm field in the Netherlands are analyzed using wavelets. The simulated yield patterns are decomposed using wavelets...
COGITO - E-commerce mediante agenti guida basato su tools per la interazione personalizzata (2000)
Thiel, U., Stein, A., Semeraro, G., Abbatista, F., Candia, L. De, Fanizzi, N., ...
Constrained optimisation of soil sampling for minimisation of the kriging variance (1999)
This paper introduces the extended Spatial Simulated Annealing (SSA) method to optimise spatial sampling schemes for obtaining the minimal kriging variance. Sampling schemes are optimised at the...
Improved parameter estimation for hydrological models using weighted object functions (1999)
This paper discusses the sensitivity of calibration of hydrological model parameters to different objective functions. Several functions are defined with weights depending upon the hydrological...
Broos, J.M., Aarts, L., Tooren, C.F., Stein, A.
In this study we investigated the effects of spatial variability of soil contaminants on cost calculations for soil remediation. Most cost models only provide a single figure, whereas spatial...
Effects of stratification on dependence modeling for environmental studies in space and time (1999)
This paper analyzes the use of stratification in the modeling of dependence for regionalized variables in space and time. Stratification enables optimal use of available information, and it is used...
Intraarticular morphine versus dexamethasone in painful chronic arthritis. (1999)
Stein, A., Yassouridis, A., Szopko, C., Helmke, K., Stein, C.
Class B Sodalites: Nonstoichiometric Silver, Sodium Halosodalites. (1998)
Stein, A., Ozin, G. A., Stucky, G. D.
Nonstoichiometric silver, sodium bromosodalites of the compositions M8-2nN2nX2-pOHp-SOD and M8-p-2nN2nX2-pp-SOD have been synthesized, where M, N = Ag+, Na+; X = Cl-; Br, I-; 2n = 0-8; p = 0-2;...
Experimental data on the coexistence curves for nine binary liquid systems, which meet strict criteria of precision, purity of components, and experimental method, are analyzed in the neighborhood of...
Corre, W.J., Prieme, A., Klemedtsson, A.K., Weslien, P., Stein, A., ...
Emissions of CH4, N2O, and CO2 from soils are the result of a number of biological and physical processes, each influenced by several environmental and management factors exhibiting spatial...
Point processes and random sets for analyzing patterns of methylene blue coloured soil. (1998)
Stein, A., Droogers, P., Booltink, H.
We consider the problem of quantitatively characterizing horizontal patterns of dye following infiltration. Such patterns display important information on the movement of possibly contaminated...
Integrating spatial statistics and remote sensing. (1998)
Stein, A., Bastiaanssen, W.G.M., Cracknell, A.P., Curran, P.J., Fabbri, A.G., ...
This paper presents an integrated approach towards spatial statistics for remote sensing. Using the layer concept in Geographical Information Systems we treat successively elements of spatial...
This study explores the use of fuzzy c-means clustering of attribute data derived from a digital elevation model to represent transition zones in the soil-landscape. The conventional geographic model...
Integrating spatial statistics and remote sensing (1998)
Stein, A., Bastiaanssen, W.G.M., Cracknell, A.P., Curran, P.J., Fabbri, A.G., ...
This paper presents an integrated approach towards spatial statistics for remote sensing. Using the layer concept in Geographical Information Systems we treat successively elements of spatial...
Requirements for effective modelling strategies. (1997)
Gaunt, J.L., Riley, J., Stein, A.
As the result of a recent BBSRC-funded workshop between soil scientists, modellers, statisticians and others to discuss issues relating to the derivation of complex environmental models, a set of...
Optimization of environmental sampling using interactive GIS. (1997)
An interactive sampling procedure is proposed to optimize environmental risk assessment. Subsequent sampling stages were used as quantitative pre-information. With this pre-information probability...
Mixed-initiative retrieval dialogues using abductive reasoning (1997)
Using intelligent dialogue components, we can relate the isolated functions of information retrieval systems to larger tasks and help the user satisfy her information needs. Such dialogue components...
Making Sense of Users' Mouse Clicks: Abductive Reasoning and . . . (1997)
A. Stein, Adelheit Stein, Jon Atle Gulla, Ulrich Thiel
. Intelligent information systems are expected to interpret the users' information needs semantically, taking the dialogue context into account. Whereas many research prototypes attempt to...
Velthof, G.L., Jarvis, S.C., Stein, A., Allen, A.G., Oenema, O.
Fluxes of nitrous oxide (N2O) were measured in mown and intensively-grazed plots on a slightly-sloping, poorly-drained clay soil, using 144 flux chambers on four consecutive days. We tested the...
Spatial variability of data from uniformity trials as a function of scale. (1996)
Hoosbeek, M.R., Epinat, V., Stein, A., Stomph, T.J., Hartkamp, D.
Reliability of soil data and risk assessment of data applications (1996)
Bouma, J., Booltink, W.G., Stein, A., Finke, P.A.
Four types of soil data with characteristic reliabilities are proposed for point observations and areas of land: measurements, estimations by experts, and calculations by either pedotransfer...
Spatial interpolation of soil hydraulic properties and simulated rice yield (1996)
Wopereis, M.C.S., Stein, A., Kropff, M.J., Bouma, J.
Crop yield was simulated for rain-fed upland rice in a 50 ha area. First, yields were simulated at six sites; then, with soil information from 133 observation points and interpolated over management...
Regioselectively substituted esters and ethers of cellulose (1996)
Klemm, D., Stein, A., Heinze, T., Philipp, B., Wagenknecht, W.
Cellulose (regioselectively substituted esters and ethers) (1996)
Klemm, D., Stein, A., Heinze, T., Philipp, B., Wagenknecht, W.
Key-Exchange in Real Quadratic Congruence Function Fields (1996)
Andreas Stein, Hugh C. Williams, R. Scheidler, R. Scheidler, A. Stein, H. C. Williams
We show how the theory of real quadratic congruence function fields can be used to produce a secure key distribution protocol. The technique is similar to that advocated by Diffie and Hellman in...
Key-exchange in real quadratic congruence function fields (1996)
R. Scheidler, A. Stein, H. C. Williams
We show how the theory of real quadratic congruence function fields can be used to produce a secure key distribution protocol. The technique is similar to that advocated by Diffie and Hellman in...
Ontwikkelen van een beslissystematiek voor ex situ bodemsanering. (1995)
Okx, J., Frankhuizen, E., Meijs, C.A.J., Stein, A., Pijls, C.
Belkin, N., Cool, C., Stein, A., Thiel, U.
The support of effective interaction of the user with the other components of the system is a central problem for information retrieval. In this paper, we present a theory of such interactions taking...
Baby Step Giant Step in Real Quadratic Function Fields (1995)
The principal topic of this article is to extend Shanks' infrastructure ideas in real quadratic number fields to the case of real quadratic congruence function fields. We apply these techniques...
Q fever is a widespread disease caused by the rickettsia Coxiella burnetii, an obligate intracellular bacteria which man usually acquires through the inhalation of infected dust from subclinically...
APPLICATION OF DISJUNCTIVE COKRIGING TO COMPARE FERTILIZER SCENARIOS ON A FIELD-SCALE (1994)
To evaluate the effect of various levels of fertilizer applications, six fertilizing scenarios were analyzed by computer simulations using a process-based simulation model. By using simulation...
Search and Retrieval in Object-Oriented Information Systems (1993)
Neuhold, Erich J., Aberer, Karl, Klas, Wolfgang, Stein, A., Thiel, U.
New procedures for regioselective synthesis and modification of trialkylsilylcelluloses (1993)
Klemm, D., Stein, A., Erler, U., Wagenknecht, W., Nehls, I., Philipp, B.
Modeling the illocutionary aspects of information-seeking dialogues (1992)
A dialogue model is presented that incorporates the illocutionary aspects of information-seeking dialogues. Directive, commissive, and assertive types of dialogue acts (e.g., asking, offering,...
Towards a user-centered interface for information retrieval: the MERIT System (1992)
Thiel, U., Hemmje, M., Kerner, A., Kracker, M., Sitter, S., Stein, A., ...
Knowledge based control of visual dialogues in information systems (1992)
Stein, A., Thiel, U., Tißen, A.
The approach to visual interfaces outlined in this paper treats user inputs such as mouse clicks, menu selections, etc. not as invocations of methods that can be executed without regarding the...
Spatial patterns of physical properties in rice soils. (1990)
Wopereis, M.C.S., Wösten, J.H.M., Stein, A., Bouma, J., Woodhead, T.
THE RELATIONSHIP OF BLOOD LEAD TO BLOOD PRESSURE IN A LONGITUDINAL STUDY OF WORKING MEN (1986)
WEISS, S. T., MUÑOZ, A., STEIN, A., SPARROW, D., SPEIZER, F. E.
The relationship of lead exposure to blood pressure has been examined in a longitudinal study of a cohort of 89 Boston, Massachusetts, policemen. At the baseline examination, subjects had a blood...
The Question of the Preservation of the Teeth in Osteomyelitis of the Jaws. (1910)
Editors: Aug. 1859-July 1865, J. D. White, J. H. McQuillen, G. J. Ziegler.--Aug. 1865-Dec. 1871, J. H. McQuillen, G. J. Ziegler.--Jan. 1872-May 1891, J. W. White.--July 1891-Apr. 1930, E. C. Kirk...
Rat growth hormone gene introns stimulate nucleosome alignment in vitro and in transgenic mice.
Liu, K, Sandgren, E P, Palmiter, R D, Stein, A
Average hepatic expression (mRNA per cell per gene) of a metallothionein-rat growth hormone (rGH) gene with its natural introns was about 15-fold higher than an intronless version when tested in...
Circle ligation of in vitro assembled chromatin indicates a highly flexible structure
Stein, A., Dalal, Y., Fleury, T. J.
Evidence is provided that some condensed linker histone-containing chromatin structures are highly flexible in solutions containing 2 mM Mg2+. Chromatin assembled in vitro ± histone H5 on a 6.3 kb...
Simple miniaturized gel system for DNA sequence analysis.
Stein, A, Hill, S A, Cheng, Z, Bina, M
A simple miniaturized gel system suitable for DNA sequencing is described. Small ultrathin polyacrylamide gels are cast, eight or more at a time, using standard microscope slides. Gels, ready to use,...
A signal encoded in vertebrate DNA that influences nucleosome positioning and alignment.
Evidence is provided that the nucleotide triplet con-sensus non-T(A/T)G (abbreviated to VWG) influences nucleosome positioning and nucleosome alignment into regular arrays. This triplet consensus has...
Brouqui, P, Rousseau, M C, Stein, A, Drancourt, M, Raoult, D
Indwelling device infections are associated with considerable morbidity and extremely high cost. Pseudomonas aeruginosa is the most frequent gram-negative etiologic agent associated with infections...
Upregulation of tumor necrosis factor alpha and interleukin-1 beta in Q fever endocarditis.
Capo, C, Zugun, F, Stein, A, Tardei, G, Lepidi, H, Raoult, D, ...
The occurrence of Q fever endocarditis likely involves some alterations in the responses of monocytes, the in vivo targets of Coxiella burnetii. To test this hypothesis, the production of the...
Interaction of Bacillus subtilis purine repressor with DNA.
Shin, B S, Stein, A, Zalkin, H
A purine repressor (PurR) mediates adenine nucleotide-dependent regulation of transcription initiation of the Bacillus subtilis pur operon. This repressor has been purified for the first time, and...
Oral rifampin plus ofloxacin for treatment of Staphylococcus-infected orthopedic implants.
Drancourt, M, Stein, A, Argenson, J N, Zannier, A, Curvale, G, Raoult, D
We examined the effectiveness and safety of the combination of rifampin plus ofloxacin given orally for treating prosthetic orthopedic implants infected with staphylococci. The prospective cohort...
Shope fibroma virus. II. Role of the virion-associated nucleases.
Pogo, B G, Stein, A, Freimuth, P
The effect of Shope fibroma virus (SFV) infection on host DNA synthesis was investigated. The cytocidal strain, SFV-I, inhibited the incorporation of [3H]thymidine into nuclear DNA very shortly (2 h)...
Maurin, M, Roux, V, Stein, A, Ferrier, F, Viraben, R, Raoult, D
Rochalimaea quintana was isolated from the blood of a French human immunodeficiency virus-infected patient with bacillary angiomatosis. The isolate showed the typical growth characteristics of...
Detection of Coxiella burnetti by DNA amplification using polymerase chain reaction.
The polymerase chain reaction (PCR) was used for the detection of Coxiella burnetti, an obligate intracellular bacterium and the etiologic agent of Q fever. A pair of primers derived from the C....
DNA wrapping in nucleosomes. The linking number problem re-examined.
Chromatin was assembled in vitro from relaxed closed circular DNA (SV40) and core histones at histone to DNA ratios of 0.2 to 0.3 (g/g) and incubated with topoisomerase I to relax supercoils in DNA...
HMG 14/17 binding affinities and DNAase I sensitivities of nucleoprotein particles.
We show that ordinary (bulk) chicken erythrocyte nucleosomes are digested more rapidly by DNAase I when they are associated with high mobility group (HMG) proteins 14/17. Digestion of HMG...
Introns of the chicken ovalbumin gene promote nucleosome alignment in vitro.
A defined in vitro chromatin assembly system was used to examine the nucleosome alignment induced by histone H5 throughout a 12 kilobase pair chicken genomic DNA fragment containing the ovalbumin...
Stability of DNA in nucleosomes.
Bina, M, Sturtevant, J M, Stein, A
Heats of thermal denaturation of chromatin core particles and core particles with covalently crosslinked histones were measured by differential scanning calorimetry. The additional stabilization of...
Signals in chicken beta-globin DNA influence chromatin assembly in vitro.
Liu, K, Lauderdale, J D, Stein, A
We have confirmed the result that chicken beta-globin gene chromatin, which possesses the characteristics of active chromatin in erythroid cells, has shortened internucleosome spacings compared with...
Stein, A, Whitlock, J P, Bina, M
We provide evidence that nucleosomes can assemble in vitro at physiological ionic strength (0.1-0.2 M NaCl/10 mM Tris . HCl, pH 8.0) in the absence of "assembly factors" and that poly(glutamic acid)...
Beug, H., Katz, F. E., Stein, A., Gerisch, G.
Cell-to-cell adhesion during aggregation of Dictyostelium discoideum cells is completely blocked by univalent antibody (Fab) directed against two classes of target sites: surface structures...
Crosslinked histone octamer as a model of the nucleosome core.
Stein, A, Bina-Stein, M, Simpson, R T
When histones in chromatin core particles were crosslinked with dimethylsuberimidate, the resulting particles had properties closely similar to those of native core particles. A crosslinked octameric...
The chromatin structures of a variety of plasmids and plasmid constructions, transiently transfected into mouse Ltk- cells using the DEAE-dextran procedure, were studied by micrococcal nuclease...
Barnes, J, Stein, A, Smith, T, Pollock, J I
Despite widespread advocacy of breast feeding, many babies are breast fed only briefly, if at all. Mothers' decisions on how to feed are often made before the birth; so we have sought demographic,...
Assessment of elderly people in general practice. 3. Confiding relationships.
Iliffe, S, Haines, A, Stein, A, Gallivan, S
Little is known about the importance of confiding relationships in elderly people. Associations between lack of confiding relationships and depression, lifestyle characteristics, medication use, and...
Enzymatic Histochemical Alterations in the Renal Tubular Epithelium of Dog Following Trauma *
Pakdaman, P., Stein, A., Lempert, N., Boba, A., Powers, S. R.
The relationship of blood lead to systolic blood pressure in a longitudinal study of policemen.
Weiss, S T, Munoz, A, Stein, A, Sparrow, D, Speizer, F E
We examined the relationship of blood lead level to systolic and diastolic blood pressure in a longitudinal study of 89 Boston, MA, policemen. At the second examination blood lead level and blood...
Social adversity, low birth weight, and preterm delivery.
Stein, A, Campbell, E A, Day, A, McPherson, K, Cooper, P J
A prospective study of 483 pregnant women was undertaken to examine possible associations of social and psychiatric factors with both low birth weight (less than 2500 g) and preterm delivery (less...
Dupuytren's Contracture: A Morphologic Evaluation of the Pathogenesis*
Stein, A., Wang, Mark K. H., Macomber, W. Brandon, Rajpal, R., Heffernan, A.
Rat growth hormone gene introns stimulate nucleosome alignment in vitro and in transgenic mice.
Liu, K, Sandgren, E P, Palmiter, R D, Stein, A
Average hepatic expression (mRNA per cell per gene) of a metallothionein-rat growth hormone (rGH) gene with its natural introns was about 15-fold higher than an intronless version when tested in...
Circle ligation of in vitro assembled chromatin indicates a highly flexible structure
Stein, A., Dalal, Y., Fleury, T. J.
Evidence is provided that some condensed linker histone-containing chromatin structures are highly flexible in solutions containing 2 mM Mg2+. Chromatin assembled in vitro ± histone H5 on a 6.3 kb...
Simple miniaturized gel system for DNA sequence analysis.
Stein, A, Hill, S A, Cheng, Z, Bina, M
A simple miniaturized gel system suitable for DNA sequencing is described. Small ultrathin polyacrylamide gels are cast, eight or more at a time, using standard microscope slides. Gels, ready to use,...
A signal encoded in vertebrate DNA that influences nucleosome positioning and alignment.
Evidence is provided that the nucleotide triplet con-sensus non-T(A/T)G (abbreviated to VWG) influences nucleosome positioning and nucleosome alignment into regular arrays. This triplet consensus has...
Brouqui, P, Rousseau, M C, Stein, A, Drancourt, M, Raoult, D
Indwelling device infections are associated with considerable morbidity and extremely high cost. Pseudomonas aeruginosa is the most frequent gram-negative etiologic agent associated with infections...
Upregulation of tumor necrosis factor alpha and interleukin-1 beta in Q fever endocarditis.
Capo, C, Zugun, F, Stein, A, Tardei, G, Lepidi, H, Raoult, D, ...
The occurrence of Q fever endocarditis likely involves some alterations in the responses of monocytes, the in vivo targets of Coxiella burnetii. To test this hypothesis, the production of the...
Interaction of Bacillus subtilis purine repressor with DNA.
Shin, B S, Stein, A, Zalkin, H
A purine repressor (PurR) mediates adenine nucleotide-dependent regulation of transcription initiation of the Bacillus subtilis pur operon. This repressor has been purified for the first time, and...
Oral rifampin plus ofloxacin for treatment of Staphylococcus-infected orthopedic implants.
Drancourt, M, Stein, A, Argenson, J N, Zannier, A, Curvale, G, Raoult, D
We examined the effectiveness and safety of the combination of rifampin plus ofloxacin given orally for treating prosthetic orthopedic implants infected with staphylococci. The prospective cohort...
Shope fibroma virus. II. Role of the virion-associated nucleases.
Pogo, B G, Stein, A, Freimuth, P
The effect of Shope fibroma virus (SFV) infection on host DNA synthesis was investigated. The cytocidal strain, SFV-I, inhibited the incorporation of [3H]thymidine into nuclear DNA very shortly (2 h)...
Maurin, M, Roux, V, Stein, A, Ferrier, F, Viraben, R, Raoult, D
Rochalimaea quintana was isolated from the blood of a French human immunodeficiency virus-infected patient with bacillary angiomatosis. The isolate showed the typical growth characteristics of...
Detection of Coxiella burnetti by DNA amplification using polymerase chain reaction.
The polymerase chain reaction (PCR) was used for the detection of Coxiella burnetti, an obligate intracellular bacterium and the etiologic agent of Q fever. A pair of primers derived from the C....
DNA wrapping in nucleosomes. The linking number problem re-examined.
Chromatin was assembled in vitro from relaxed closed circular DNA (SV40) and core histones at histone to DNA ratios of 0.2 to 0.3 (g/g) and incubated with topoisomerase I to relax supercoils in DNA...
HMG 14/17 binding affinities and DNAase I sensitivities of nucleoprotein particles.
We show that ordinary (bulk) chicken erythrocyte nucleosomes are digested more rapidly by DNAase I when they are associated with high mobility group (HMG) proteins 14/17. Digestion of HMG...
Introns of the chicken ovalbumin gene promote nucleosome alignment in vitro.
A defined in vitro chromatin assembly system was used to examine the nucleosome alignment induced by histone H5 throughout a 12 kilobase pair chicken genomic DNA fragment containing the ovalbumin...
Stability of DNA in nucleosomes.
Bina, M, Sturtevant, J M, Stein, A
Heats of thermal denaturation of chromatin core particles and core particles with covalently crosslinked histones were measured by differential scanning calorimetry. The additional stabilization of...
Signals in chicken beta-globin DNA influence chromatin assembly in vitro.
Liu, K, Lauderdale, J D, Stein, A
We have confirmed the result that chicken beta-globin gene chromatin, which possesses the characteristics of active chromatin in erythroid cells, has shortened internucleosome spacings compared with...
Stein, A, Whitlock, J P, Bina, M
We provide evidence that nucleosomes can assemble in vitro at physiological ionic strength (0.1-0.2 M NaCl/10 mM Tris . HCl, pH 8.0) in the absence of "assembly factors" and that poly(glutamic acid)...
Beug, H., Katz, F. E., Stein, A., Gerisch, G.
Cell-to-cell adhesion during aggregation of Dictyostelium discoideum cells is completely blocked by univalent antibody (Fab) directed against two classes of target sites: surface structures...
Crosslinked histone octamer as a model of the nucleosome core.
Stein, A, Bina-Stein, M, Simpson, R T
When histones in chromatin core particles were crosslinked with dimethylsuberimidate, the resulting particles had properties closely similar to those of native core particles. A crosslinked octameric...
The chromatin structures of a variety of plasmids and plasmid constructions, transiently transfected into mouse Ltk- cells using the DEAE-dextran procedure, were studied by micrococcal nuclease...
Social adversity, low birth weight, and preterm delivery.
Stein, A, Campbell, E A, Day, A, McPherson, K, Cooper, P J
A prospective study of 483 pregnant women was undertaken to examine possible associations of social and psychiatric factors with both low birth weight (less than 2500 g) and preterm delivery (less...
Barnes, J, Stein, A, Smith, T, Pollock, J I
Despite widespread advocacy of breast feeding, many babies are breast fed only briefly, if at all. Mothers' decisions on how to feed are often made before the birth; so we have sought demographic,...
Assessment of elderly people in general practice. 3. Confiding relationships.
Iliffe, S, Haines, A, Stein, A, Gallivan, S
Little is known about the importance of confiding relationships in elderly people. Associations between lack of confiding relationships and depression, lifestyle characteristics, medication use, and...
Enzymatic Histochemical Alterations in the Renal Tubular Epithelium of Dog Following Trauma *
Pakdaman, P., Stein, A., Lempert, N., Boba, A., Powers, S. R.
The relationship of blood lead to systolic blood pressure in a longitudinal study of policemen.
Weiss, S T, Munoz, A, Stein, A, Sparrow, D, Speizer, F E
We examined the relationship of blood lead level to systolic and diastolic blood pressure in a longitudinal study of 89 Boston, MA, policemen. At the second examination blood lead level and blood...
Dupuytren's Contracture: A Morphologic Evaluation of the Pathogenesis*
Stein, A., Wang, Mark K. H., Macomber, W. Brandon, Rajpal, R., Heffernan, A.
Social adversity and perinatal complications: their relation to postnatal depression.
Stein, A., Cooper, P. J., Campbell, E. A., Day, A., Altham, P. M.
Imparting the diagnosis of life threatening illness in children.
Woolley, H., Stein, A., Forrest, G. C., Baum, J. D.
The parents of children with life threatening or terminal illnesses were interviewed about their experiences of the way in which they were told the diagnosis. The interview was piloted on 25 families...
Dicyclomine discriminates between M1- and M2-muscarinic receptors in the guinea-pig ileum.
1. The affinity of the antagonist dicyclomine for subtypes of muscarinic receptors has been assessed in the myenteric plexus-longitudinal muscle preparation of the guinea-pig. 2. Dicyclomine had a...
Eating habits and attitudes of mothers of children with non-organic failure to thrive.
McCann, J B, Stein, A, Fairburn, C G, Dunger, D B
The eating habits and attitudes concerning body shape and weight among 26 mothers of children with non-organic failure to thrive (the index group) were studied using the eating disorder examination....
Staff stress and job satisfaction at a children's hospice.
Woolley, H, Stein, A, Forrest, G C, Baum, J D
A study of staff stress and job satisfaction was undertaken in a children's hospice. In addition factors were investigated which might be stressful or which helped staff to manage in difficult...
Life threatening illness and hospice care.
Stein, A, Forrest, G C, Woolley, H, Baum, J D
A retrospective study was undertaken of 25 families and their 26 ill children attending the first children's hospice in the United Kingdom. The study examined the family's perceptions of the care...
Primary care at last for Brazil?
Haines, A., Wartchow, E., Stein, A., Dourado, E. M., Pollock, J., Stilwell, B.
Knowledge acquisition for temporal abstraction.
Stein, A., Musen, M. A., Shahar, Y.
Temporal abstraction is the task of detecting relevant patterns in data over time. The knowledge-based temporal-abstraction method uses knowledge about a clinical domain's contexts, external events,...