A. Vogt

Publication List Details

Period

1980 - 2009

Number

235

Co-Authors

On non-singlet physical evolution kernels and large-x coefficient functions in perturbative QCD (2009)

Moch, S., Vogt, A.

We study the large-x behaviour of the physical evolution kernels for flavour non-singlet observables in deep-inelastic scattering, where x is the Bjorken variable, semi-inclusive e^+ e^- annihilation...

Higher-order threshold resummation for semi-inclusive e^+e^- annihilation (2009)

Moch, S., Vogt, A.

The complete soft-enhanced and virtual-gluon contributions are derived for the quark coefficient functions in semi-inclusive e^+e^- annihilation to the third order in massless perturbative QCD. These...

Proceedings of the workshop: HERA and the LHC workshop series on the implications of HERA for LHC physics (2009)

Jung, H., De Roeck, A., Ajaltouni, Z. J., Albino, S., Altarelli, G., Ambroglini, F., ...

2nd workshop on the implications of HERA for LHC physics. Working groups: Parton Density Functions Multi-jet final states and energy flows Heavy quarks (charm and beauty) Diffraction Cosmic Rays...

Parton Distributions (2009)

Dittmar, M., Forte, S., Glazov, A., Moch, S., Altarelli, G., Anderson, J., ...

We provide an assessment of the state of the art in various issues related to experimental measurements, phenomenological methods and theoretical results relevant for the determination of parton...

Ultrasound-guided paravertebral puncture and placement of catheters in human cadavers: an imaging study (2009)

Luyet, C., Eichenberger, U., Greif, R., Vogt, A., Szücs Farkas, Z., Moriggl, B.

Background During paravertebral block, the anterolateral limit of the paravertebral space, which consists of the pleura, should preferably not be perforated. Also it is possible that, during the...

Third-order QCD corrections to the charged-current structure function F_3 (2008)

Moch, S., Vermaseren, J., Vogt, A.

We compute the coefficient function for the charge-averaged W^(+/-)-exchange structure function F_3 in deep-inelastic scattering (DIS) to the third order in massless perturbative QCD. Our new...

Blue light regulation of GFP-like protein expression in reef-building corals (2008)

D’Angelo, C., Denzel, A., Vogt, A., Matz, M.V., Oswald, F., Salih, A., ...

Reef-building corals harbor an astounding diversity of colorful GFP (green fluorescent protein)-like proteins. These pigments can easily be detected and thus may serve as intrinsic optical markers of...

Towards the NNLO evolution of polarised parton distributions (2008)

Vogt, A., Moch, S., Rogal, M., Vermaseren, J. A. M.

We report on the first calculation of the structure function g_1 in polarised deep-inelastic scattering to the third order in massless perturbative QCD. The calculation follows the dispersive...

NNLO Time-like Splitting Functions in QCD (2008)

Moch, S., Vogt, A.

We review the status of the calculation of the time-like splitting functions for the evolution of fragmentation functions to the next-to-next-to-leading order in perturbative QCD. By employing...

Highly sensitive surface acoustic wave based sensor system for work place monitoring. (2008)

Rapp, M.W., Barie, N., Vogt, A., Marcoll, J.

59th Pittsburgh Conf.on Analytical Chemistry and Applied Spectroscopy (PITTCON 2008), New Orleans, La., March 2-7, 2008

Physics at Linear Colliders (2007)

Conveners Aurenche Finch, A. Finch, M. Greco, D. J. Miller, J. Blumlein, F. Boudjema, ...

Introduction As it is well known, there are several ways to generate photon-photon collisions at linear e + e \Gamma colliders. Bremsstrahlung and/or beamstrahlung photons radiated by the incoming...

The Extraction of the Gluon Density from Jet Production in Deeply Inelastic Scattering (2007)

Graudenz Hampel, M. Hampel, A. Vogt

The prospects of a direct extraction of the proton's gluon density in next-to-leading order via jet rates in deeply inelastic scattering are studied. The employed method is based on the Mellin...

The Extraction of the Gluon Density from Jet Production in Deeply Inelastic Scattering (2007)

Graudenz Hampel, M. Hampel, A. Vogt

: The prospects of a direct extraction of the proton's gluon density in next-to-leading order via jet rates in deeply inelastic scattering are studied. The employed method is based on the Mellin...

Proceedings of V. Bilateral Sovet-6e.nan Seminar on HTSI:: (2007)

Surface Resistance Measurements, A. Vogt, T. Scherer, M. Neuhaus, W. Jutzi

of YBCO films on ' NdGa03 with a parallel plate resonator in a lossy cavity near 10 GHz.

On Third-Order Timelike Splitting Functions and Top-Mediated Higgs Decay into Hadrons (2007)

Moch, S., Vogt, A.

We employ relations between spacelike and timelike deep-inelastic processes in perturbative QCD to calculate the next-to-next-to-leading order (NNLO) contributions to the timelike quark-quark and...

Differences between charged-current coefficient functions (2007)

Moch, S., Rogal, M., Vogt, A.

Second- and third-order results are presented for the structure functions of charged-current deep-inelastic scattering in the framework of massless perturbative QCD. We write down the two-loop...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

Parton Distributions: Summary Report (2006)

Dittmar, M., Forte, S., Glazov, A., Moch, S., Alekhin, S., Altarelli, G., ...

We provide an assessment of the impact of parton distributions on the determination of LHC processes, and of the accuracy with which parton distributions (PDFs) can be extracted from data, in...

NNLO splitting and coefficient functions with time-like kinematics (2006)

Mitov, A., Moch, S., Vogt, A.

We discuss recent results on the three-loop (next-to-next-to-leading order, NNLO) time-like splitting functions of QCD and the two-loop (NNLO) coefficient functions in one-particle inclusive e+e-...

Third-order QCD results on form factors and coefficient functions (2006)

Vogt, A., Moch, S., Vermaseren, J.

We summarize recent higher-order QCD results based, directly or indirectly, on the Mellin-space computation of the next-to-next-to-leading-order splitting functions governing the evolution of...

Next-to-Next-to-Leading Order Evolution of Non-Singlet Fragmentation Functions (2006)

Mitov, A., Moch, S., Vogt, A.

We have investigated the next-to-next-to-leading order (NNLO) corrections to inclusive hadron production in e^+e^- annihilation and the related parton fragmentation distributions, the `time-like'...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B (2006)

Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., ...

The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to...

Multiple Episodes of a Transient Global Left Ventricular Dysfunction Reminiscent to Apical Ballooning (2006)

Nef, H. M., Mollmann, H., Vogt, A., Weber, M., Deetjen, A., Dill, T., ...

A new cardiac syndrome with transient left ventricular dysfunction has been recently reported and is referred to as Tako-Tsubo cardiomyopathy, which is characterized by a transient akinesia of the...

Parton Distributions: Summary Report (2005)

Dittmar, M, Alekhin, S, Altarelli, Guido, Andersen, J, Ball, R D, Blümlein, J, ...

We provide an assessment of the impact of parton distributions on the determination of LHC processes, and of the accuracy with which parton distributions (PDFs) can be extracted from data, in...

Photon-Parton Splitting Functions at the Next-to-Next-to-Leading Order of QCD (2005)

Vogt, A., Moch, S., Vermaseren, J.

We have calculated the splitting functions governing the evolution of the unpolarized parton distributions of the photon at the next-to-next-to-leading order (NNLO) of massless perturbative QCD. The...

Sudakov Resummations at Higher Orders (2005)

Moch, S., Vogt, A., Vermaseren, J.

We summarize our recent results on the resummation of hard-scattering coefficient functions and on-shell form factors in massless perturbative QCD. The threshold resummation has been extended to the...

Parton Distributions: Summary Report (2005)

Dittmar, M., Forte, S., Glazov, A., Moch, S., Alekhin, S., Altarelli, G., ...

We provide an assessment of the impact of parton distributions on the determination of LHC processes, and of the accuracy with which parton distributions (PDFs) can be extracted from data, in...

Higher-Order Soft Corrections to Lepton Pair and Higgs Boson Production (2005)

Moch, S., Vogt, A.

Utilizing recent three-loop results on the quark and gluon splitting functions and form factors, we derive the complete threshold-enhanced third-order (N^3LO) QCD corrections to the total cross...

Three-Loop Results for Quark and Gluon Form Factors (2005)

Moch, S., Vermaseren, J. A. M., Vogt, A.

We study the photon-quark-quark and Higgs-gluon-gluon form factors for on-shell massless quarks and gluons in perturbative QCD. Previous third-order results for the quark case are extended by...

The Quark Form Factor at Higher Orders (2005)

Moch, S., Vermaseren, J. A. M., Vogt, A.

We study the electromagnetic on-shell form factor of quarks in massless perturbative QCD. We derive the complete pole part in dimensional regularization at three loops, and extend the resummation of...

Higher-Order Corrections in Threshold Resummation (2005)

Moch, S., Vermaseren, J. A. M., Vogt, A.

We extend the threshold resummation exponents G^N in Mellin-N space to the fourth logarithmic (N^3LL) order collecting the terms alpha_s^2 (alpha_s ln N)^n to all orders in the strong coupling...

The QCD/SM working group: summary report (2005)

Alekhin, S., Balazs, C., Ball, R., Binoth, T., Boos, E., Botje, M., ...

This Report documents the results obtained by the Working Group on Quantum ChromoDynamics and the Standard Model for the Workshop "Physics at TeV Colliders'', Les Houches, France, 21 May - 1 June...

The third-order QCD corrections to deep-inelastic scattering by photon exchange (2005)

Vermaseren, J. A. M., Vogt, A., Moch, S.

We compute the full three-loop coefficient functions for the structure functions F_2 and F_L in massless perturbative QCD. The results for F_L complete the next-to-next-to-leading order description...

Parton Distributions: Summary Report (2005)

Dittmar, M., Forte, S., Glazov, A., Moch, S., Alekhin, S., Altarelli, G., ...

We provide an assessment of the impact of parton distributions on the determination of LHC processes, and of the accuracy with which parton distributions (PDFs) can be extracted from data, in...

Parton Distributions: Summary Report (2005)

Dittmar, M., Forte, S., Glazov, A., Moch, S., Alekhin, S., Altarelli, G., ...

We provide an assessment of the impact of parton distributions on the determination of LHC processes, and of the accuracy with which parton distributions (PDFs) can be extracted from data, in...

Single-injection thoracic paravertebral block for postoperative pain treatment after thoracoscopic surgery (2005)

Vogt, A., Stieger, D. S., Theurillat, C., Curatolo, M.

Background. Thoracoscopic surgery can be associated with considerable postoperative pain. While the benefits of paravertebral block on pain after thoracotomy have been demonstrated, no investigations...

Single-injection thoracic paravertebral block for postoperative pain treatment after thoracoscopic surgery{dagger} (2005)

Vogt, A., Stieger, D. S., Theurillat, C., Curatolo, M.

Background. Thoracoscopic surgery can be associated with considerable postoperative pain. While the benefits of paravertebral block on pain after thoracotomy have been demonstrated, no investigations...

The Longitudinal Structure Function at the Third Order (2004)

Moch, S., Vermaseren, J. A. M., Vogt, A.

We compute the complete third-order contributions to the coefficient functions for the longitudinal structure function F_L, thus completing the next-to-next-to-leading order (NNLO) description of...

Efficient evolution of unpolarized and polarized parton distributions with QCD-PEGASUS (2004)

Vogt, A.

The Fortran package QCD-PEGASUS is presented. This program provides fast, flexible and accurate solutions of the evolution equations for unpolarized and polarized parton distributions of hadrons in...

The QCD Splitting Functions at Three Loops: Methods and Results (2004)

Moch, S., Vermaseren, J. A. M., Vogt, A.

We have computed the complete next-to-next-to-leading order (NNLO) contributions to the splitting functions governing the evolution of unpolarized parton densities in perturbative QCD. Our results...

The Three-Loop Splitting Functions in QCD (2004)

Vogt, A., Moch, S., Vermaseren, J.

We have computed the next-to-next-to-leading-order (NNLO) contributions to the evolution of unpolarized parton distributions in perturbative QCD. In this talk, we briefly recall why this huge...

A role for fast rhythmic bursting neurons in cortical gamma oscillations in vitro (2004)

Cunningham, M.O., Whittington, M.A., Bibbig, A., Roopun, A., LeBeau, F.E.N., Vogt, A., ...

Basic cellular and network mechanisms underlying gamma frequency oscillations (30–80 Hz) have been well characterized in the hippocampus and associated structures. In these regions, gamma rhythms...

The Three-Loop Splitting Functions in QCD: The Singlet Case (2004)

Vogt, A., Moch, S., Vermaseren, J. A. M.

We compute the next-to-next-to-leading order (NNLO) contributions to the splitting functions governing the evolution of the unpolarized flavour-singlet parton densities in perturbative QCD. The exact...

The Three-Loop Splitting Functions in QCD: The Non-Singlet Case (2004)

Moch, S., Vermaseren, J. A. M., Vogt, A.

We compute the next-to-next-to-leading order (NNLO) contributions to the three splitting functions governing the evolution of unpolarized non-singlet combinations of quark densities in perturbative...

The QCD/SM working group: summary report (2004)

Alekhin, S., Balazs, C., Ball, R., Binoth, T., Boos, E., Botje, M., ...

This Report documents the results obtained by the Working Group on Quantum ChromoDynamics and the Standard Model for the Workshop ``Physics at TeV Colliders'', Les Houches, France, 21 May - 1 June...

Feldanalyse mit Metalloxid Gassensoren durch periodische Variation der Arbeitstemperatur und numerische Signalanalyse. (2004)

Jerger, A., Kohler, H., König, S., Vogt, A., Keller, H.B., Seifert, R.

6.Dresdner Sensor-Symp. : Sensoren für zukünftige Hochtechnologien und Neuentwicklungen für die Verfahrenstechnik, Dresden, 8.-10.Dezember 2003

Three-loop results and soft-gluon effects in DIS (2003)

Moch, S., Vermaseren, J. A. M., Vogt, A.

We have calculated the fermionic contributions to the flavour non-singlet structure functions in deep-inelastic scattering (DIS) at third order of massless perturbative QCD. We discuss their...

Procyclic Trypanosoma brucei do not use Krebs cycle activity for energy generation (2003)

Fast, B., Vogt, A., Saas, J., ...

The importance of a functional Krebs cycle for energy generation in the procyclic stage of Trypanosoma brucei was investigated under physiological conditions during logarithmic phase growth of a...

First results for three-loop deep-inelastic structure functions in QCD (2002)

Vermaseren, J. A. M., Moch, S., Vogt, A.

As a first step towards the complete calculation of deep-inelastic scattering at third order of massless perturbative QCD, we have computed the fermionic (nf) contributions to the flavour non-singlet...

Non-Singlet Structure Functions at Three Loops: Fermionic Contributions (2002)

Moch, S., Vermaseren, J. A. M., Vogt, A.

We compute the fermionic (n_f) contributions to the flavour non-singlet structure functions in unpolarized electromagnetic deep-inelastic scattering at third order of massless perturbative QCD....

Electrophysiological recordings of patterned rat brain stem slice neurons (2002)

Lauer,L., Vogt,A., Yeung,C. K., Knoll,Wolfgang, Offenhäusser,Andreas

Dissociated neuronal Cultures on substrates patterned with extracellular matrix (ECM) proteins have yielded much information in the past. However, although the culture of brain slices has many...

Questions on Uncertainties in Parton Distributions (2002)

Thorne, R. S., Boettcher, H., Cooper-Sarkar, A. M., Reisert, B., Shekelyan, V., Stirling, W. J., ...

A discussion is presented of the manner in which uncertainties in parton distributions and related quantities are determined. One of the central problems is the criteria used to judge what variation...

The QCD/SM Working Group: Summary Report (2002)

Alekhin, S., Balazs, C., Ball, R., Binoth, T., Boos, E., Botje, M., ...

This Report documents the results obtained by the Working Group on Quantum ChromoDynamics and the Standard Model for the Workshop ``Physics at TeV Colliders'', Les Houches, France, 21 May - 1 June...

The QCD/SM working group: summary report (2002)

Alekhin, S., Balazs, C., Ball, R., Binoth, T., Boos, E., Botje, M., ...

This Report documents the results obtained by the Working Group on Quantum ChromoDynamics and the Standard Model for the Workshop "Physics at TeV Colliders'', Les Houches, France, 21 May - 1 June...

The QCD/SM working group: summary report (2002)

Alekhin, S., Balazs, C., Ball, R., Binoth, T., Boos, E., Botje, M., ...

This Report documents the results obtained by the Working Group on Quantum ChromoDynamics and the Standard Model for the Workshop "Physics at TeV Colliders'', Les Houches, France, 21 May - 1 June...

The QCD/SM Working Group: Summary Report (2002)

Alekhin,S., Balazs,C., Ball,R., Binoth,T., Boos,E., Botje,M., ...

This Report documents the results obtained by the Working Group on Quantum ChromoDynamics and the Standard Model for the Workshop ``Physics at TeV Colliders'', Les Houches, France, 21 May - 1 June...

Electrophysiological recordings of patterned rat brain stem slice neurons (2002)

Lauer, L., Vogt, A., Yeung, C. K., Knoll, Wolfgang, Offenhäusser, Andreas

Dissociated neuronal Cultures on substrates patterned with extracellular matrix (ECM) proteins have yielded much information in the past. However, although the culture of brain slices has many...

The QCD/SM Working Group: Summary Report (2002)

Alekhin, S., Balazs, C., Ball, R., Binoth, T., Boos, E., Botje, M., ...

This Report documents the results obtained by the Working Group on Quantum ChromoDynamics and the Standard Model for the Workshop ``Physics at TeV Colliders'', Les Houches, France, 21 May - 1 June...

Next-to-next-to-leading order QCD corrections to the photon's parton structure (2001)

Moch, S., Vermaseren, J. A. M., Vogt, A.

The next-to-next-to-leading order (NNLO) corrections in massless perturbative QCD are derived for the parton distributions of the photon and the deep inelastic structure functions F_1^gamma and...

Parton densities and structure functions at next-to-next-to-leading order and beyond (2001)

Van Neerven, W. L., Vogt, A.

We summarize recent results on the evolution of unpolarized parton densities and deep-inelastic structure functions in massless perturbative QCD. Due to last year's extension of the integer-moment...

Non-singlet structure functions beyond the next-to-next-to leading order (2001)

Van Neerven, W. L., Vogt, A.

We study the evolution of the flavour non-singlet deep-inelastic structure functions F_{2,NS} and F_3 at the next-to-next-to-next-to-leading order (N^3LO) of massless perturbative QCD. The present...

Next-to-next-to-leading logarithmic threshold resummation for deep-inelastic scattering and the Drell-Yan process (2000)

Vogt, A.

The soft-gluon resummation exponents G^N in moment space are investigated for the quark coefficient functions in deep-inelastic structure functions and the quark-antiquark contribution to the...

Improved Approximations for the Three-Loop Splitting Functions in QCD (2000)

Van Neerven, W. L., Vogt, A.

We update our approximate parametrizations of the three-loop splitting functions for the evolution of unpolarized parton densities in perturbative QCD. The new information taken into account is given...

Parton densities and structure functions beyond the next-to-leading order (2000)

Van Neerven, W. L., Vogt, A.

We briefly discuss recent results on the evolution of unpolarized parton densities and structure functions in massless perturbative QCD. Present partial results on the next-to-next-to-leading order...

NNLO evolution of deep-inelastic structure functions: the singlet case (2000)

Van Neerven, W. L., Vogt, A.

We study the next-to-next-to-leading order (NNLO) evolution of flavour singlet parton densities and structure functions in massless perturbative QCD. Present information on the corresponding...

QCD (2000)

Catani, S, Dittmar, Michael, Soper, Davison Eugene, Stirling, William James, Tapprogge, Stefan, Alekhin, S I, ...

We discuss issues of QCD at the LHC including parton distributions, Monte Carlo event generators, the available next-to-leading order calculations, resummation, photon production, small x physics,...

QCD (2000)

Catani, S., Dittmar, M., Soper, D., Stirling, W. J., Tapprogge, S., Alekhin, S., ...

We discuss issues of QCD at the LHC including parton distributions, Monte Carlo event generators, the available next-to-leading order calculations, resummation, photon production, small x physics,...

Determinants of mortality after cardiac surgery: results of the Registry of the Arbeitsgemeinschaft Leitender Kardiologischer Krankenhausarzte (ALKK) on 10525 Patients (2000)

Vogt, A, Grube, E, Glunz, H.G, Hauptmann, K.E, Sechtem, U, Mäurer, W, ...

Background Mortality from cardiac surgery is an essential indicator of quality and forms the basis of treatment strategy decisions in eligible patients. No contemporary complete data on unselected...

On soft gluon effects in deep-inelastic structure functions (1999)

Vogt, A.

The behaviour of the quark coefficient functions in deep-inelastic scattering is investigated for large values of the Bjorken variable x. By combining results of soft-gluon resummation and...

NNLO evolution of deep-inelastic structure functions: the non-singlet case (1999)

Van Neerven, W. L., Vogt, A.

We study the next-to-next-to-leading order (NNLO) evolution of flavour non-singlet quark densities and structure functions in massless perturbative QCD. Present information on the corresponding...

Compound semiconductor microsensors for applications in mechanical engineering (1998)

Hartnagel, H.L., Arslan, D., Brandt, M., Dehe, A., Mutamba, K., Vogt, A.

The GaAs- and InP-based compound semiconductor technology enables the realization of intelligent sensor systems showing excellent and formerly not achievable performance. Bandgap engineering allows...

Dynamical Parton Distributions Revisited (1998)

Gl"uck, M., Reya, E., Vogt, A.

Dynamical parton densities, generated radiatively from valence-like inputs at some low resolution scale, are confronted with recent small-x data on deep inelastic and other hard scattering processes....

The Unpolarized Gluon Anomalous Dimension at Small x (1998)

Blümlein, J., Ravindran, V., Van Neerven, W. L., Vogt, A.

We discuss the quantitative consequences of the resummation of the small-x contributions to the anomalous dimensions beyond next-to-leading order in alpha_s and up to next order in ln(1/x) (NLx) in a...

Europiv: A cooperation action to apply Particle Image Velocimetry to problems of industrial interest (1998)

Raffel, M., Bretthauer, B., Vogt, A.

PIV experiments at the EUROPIV nozzle with and without swirl have been performed by DLR Göttingen. A photographic PIV system utilising a rotating mirror for ambiguity removal has been used. The...

DLR measurements on the test experiment of T1.1 (1998)

Bretthauer, B., Raffel, M., Vogt, A.

PIV experiments at the EUROPIV nozzle with and without swirl have been performed by DLR Göttingen. A photographic PIV system utilising a rotating mirror for ambiguity removal has been used. The...

A comparative study of uniaxial pressure effects in intraband AlGaAs/GaAs and interband InAs/AlSb/GaSb resonant tunneling diodes (1998)

Mutamba, K, Sigurdardottir, A, Vogt, A, Hartnagel, HL, Li, EH

We report on the effects of uniaxial pressure on (001)-oriented AlGaAs/GaAs and InAs/AlSb/GaSb double barrier resonant tunneling diodes (RTDs). The current–voltage characteristics of the...

Direct percutaneous transluminal coronary angioplasty in acute myocardial infarction. Predictors of short-term outcome and the impact of coronary stenting (1998)

Vogt, A., Niederer, W., Pfafferott, C., Heinrich, K.W., Merx, W., ...

Background Direct percutaneous transluminal coronary angioplasty (PTCA) is widely accepted in the treatment of acute myocardial infarction since excellent results had been reported from several small...

The Evolution of Unpolarized Singlet Structure Functions at Small x (1997)

Blümlein, J., Vogt, A.

A systematic study is performed of the impact of the various resummed small-$x$ contributions to the anomalous dimensions and coefficient functions on the evolution of unpolarized structure functions...

The Resummed Gluon Anomalous Dimension and Structure Functions at Small x (1997)

Blümlein, J., Vogt, A.

The impact of the resummed next-to-leading logarithmic small-$x$ contributions to the anomalous dimension $\gamma_{gg}$ is evaluated for the unpolarized parton densities and structure functions of...

Small-x Resummation for the Structure Functions $F_2^p$, $F_L^p$ and $F_2^{\gamma}$ (1997)

Blümlein, J., Vogt, A.

The numerical effects of the known all-order leading and next-to-leading logarithmic small-$x$ contributions to the anomalous dimensions and coefficient functions of the unpolarized singlet evolution...

PTCA registry of German community hospitals (1997)

Vogt, A., Bonzel, T., Harmjanz, D., Leitner, E.-R. V., Pfafferott, C., ...

Background Percutaneous transluminal coronary angioplasty (PTCA) is widely used, but no quality control has been systematically performed as yet. Methods A registry of all PTCA procedures has been...

On the Resummation of the $\alpha \ln^2 z Terms for QED Corrections to Deep-Inelastic $ep$ Scattering and $e^+e^-$ Annihilation (1996)

Blümlein, J., Riemersma, S., Vogt, A.

The resummation of the $\alpha \ln^2(z)$ non-singlet contributions is performed for initial state QED corrections. As examples, the effect of the resummation on neutral-current deep-inelastic...

The Small-x Evolution of Unpolarized and Polarized Structure Functions (1996)

Blümlein, J., Riemersma, S., Vogt, A.

A brief overview is presented of recent developments concerning resummed small-x evolution, based upon the renormalization group equation. The non-singlet and singlet structure functions are...

The Effect of Small-x Resummations on the Evolution of Polarized Structure Functions (1996)

Blümlein, J., Vogt, A.

The impact of the resummation of leading small-$x$ terms in the anomalous dimensions is briefly summarized for the evolution of non--singlet and singlet polarized structure functions.

The Extraction of the Gluon Density from Jet Production in Deeply Inelastic Scattering (1996)

Graudenz, Dirk, Hampel, M, Vogt, A

The prospects of a direct extraction of the proton's gluon density in next-to-leading order via jet rates in deeply inelastic scattering are studied. The employed method is based on the Mellin...

The Extraction of the Gluon Density from Jet Production in Deeply Inelastic Scattering (1996)

Graudenz, D., Hampel, M., Vogt, A.

The prospects of a direct extraction of the proton's gluon density in next-to-leading order via jet rates in deeply inelastic scattering are studied. The employed method is based on the Mellin...

Structure Functions in Deep Inelastic Scattering at HERA (1996)

Blümlein, J., Doyle, T., Hautmann, F., Klein, M., Vogt, A.

An introduction and summary is given of the main results achieved by working group 1: Structure Functions in Deep Inelastic Scattering at HERA. The prospects were discussed of future measurements of...

A Detailed Comparison of NLO QCD Evolution Codes (1996)

Blümlein, J., Botje, M., Pascaud, C., Riemersma, S., Van Neerven, W. L., Vogt, A., ...

Seven next-to-leading order QCD evolution programs are compared. The deviations of the results due to different theoretical prescriptions for truncating the perturbative series are clarified, and a...

Theoretical Uncertainties in the QCD Evolution of Structure Functions and their Impact on $\alpha_s(M_Z^2)$ (1996)

Blümlein, J., Riemersma, S., Van Neerven, W. L., Vogt, A.

The differences are discussed between various next-to-leading order prescriptions for the QCD evolution of parton densities and structure functions. Their quantitative impact is understood to an...

The Evolution of Unpolarized and Polarized Structure Functions at Small $x$ (1996)

Blümlein, J., Riemersma, S., Vogt, A.

A survey is given of recent developments on the resummed small-$x$ evolution, in a framework based on the renormalization group equation, of non--singlet and singlet structure functions in both...

On Small-x Resummations for the Evolution of Unpolarized and Polarized Non--Singlet and Singlet Structure Functions (1996)

Blümlein, J., Riemersma, S., Vogt, A.

A brief survey is given of recent results on the resummation of leading small-x terms for unpolarized and polarized non--singlet and singlet structure function evolution.

The Singlet Contribution to the Structure Function $g_1(x,Q^2)$ at Small $x$ (1996)

Blümlein, J., Vogt, A.

The resummation of $O(\alpha_s^{l+1} \ln^{2l} x)$ terms in the evolution equation of the singlet part of $g_1(x,Q^2)$ is carried out. The corresponding singlet evolution kernels are calculated...

Working Group Report on the Structure of the Proton (1996)

Badelek, B., Bartels, J., Brook, N., De Roeck, A., Gehrmann, T., Lancaster, M., ...

We summarize the developments on the structure of the proton that were studied at the Workshop on "HERA Physics" that was held in Durham in September 1995. We survey the latest structure function...

On the Resummation of $\alpha \ln^2 x$ Terms for Non-Singlet Structure Functions in QED and QCD (1996)

Blümlein, J., Vogt, A.

The resummation of $O(\alpha^{l+1} \ln^{2l} x)$ terms in the evolution kernels of non--singlet combinations of structure functions is investigated for both QED abd QCD. Numerical results are...

Parton distributions of real and virtual photons (1996)

Sjostrand, T., Storrow, J. K., Vogt, A.

Recent progress on the parton distribution functions of the photon, both real and virtual, is briefly reviewed and experimental possibilities at HERA are discussed.

Constraining the Proton's Gluon Density by Inclusive Charm Electroproduction at HERA (1996)

Vogt, A.

We analyze the capability of charm production in deep-inelastic ep scattering at HERA to constrain the gluon distribution g(y,\mu^2) of the proton. The dependence of the theoretical predictions for...

Gamma-gamma physics at LEP2 (1996)

Aurenche, Patrick, Schuler, G A, Bawa, A C, Boudinov, E, Buijs, A, Cacciari, M, ...

This report is an overview of the gamma-gamma physics capabilities of LEP2, and covers the following topics: structure functions, equivalent photon approximation, tagging conditions etc, soft and...

Gamma-Gamma Physics at LEP2 (1996)

Aurenche, P., Schuler, G. A., Bawa, A., Boudinov, E., Buijs, A., Cacciari, M., ...

This report is an overview of the gamma-gamma physics capabilities of LEP2, and covers the following topics: structure functions, equivalent photon approximation, tagging conditions etc, soft and...

Investigations of a Wing Tip Vortex in Air by Means of DPIV (1996)

Vogt, A., Baumann, P., Gharib, M., Kompenhans, J.

This paper presents results of Particle Image Velocimetry measurements on the tip vortex of a NACA0012 wing. These results were achieved utilizzing a digital recording technique based on a modified...

Processing Techniques: Optical Correlators (1996)

Vogt, A., Kompenhans, J.

The Particle Image Velocimetry (PIV) is a technique which is utilized for measuring complete velocity vector fields in a few microseconds time. However, a lot of time is required during the...

Parton Distributions of Real and Virtual Photons (1996)

T. Sjöstrand, J. K. Storrow, A. Vogt

Recent progress on the parton distribution functions of the photon, both real and virtual, is briefly reviewed and experimental possibilities at HERA are discussed. 1. Introduction Before the advent...

Thrombolysis and mechanical intervention following myocardial infarction (1996)

Vogt, A.

In concept, mechanical interventions are attractive options for treating acute myocardial infarction with or without preceding thrombolysis: rapid reperfusion of the infarct-related artery can be...

On dynamical parton distributions of hadrons and photons (1995)

Vogt, A.

The basic concepts and predictions of the `dynamical' GRV parton distributions for hadrons and photons are discussed. Comparisons of these predictions with recent experimental results, especially...

The Mellin transform technique for the extraction of the gluon density (1995)

Graudenz, Dirk, Hampel, M, Vogt, A, Berger, C

A new method is presented to determine the gluon density in the proton from jet production in deeply inelastic scattering. By using the technique of Mellin transforms not only for the solution of the...

The Mellin Transform Technique for the Extraction of the Gluon Density (1995)

Graudenz, D., Hampel, M., Vogt, A., Berger, Ch.

A new method is presented to determine the gluon density in the proton from jet production in deeply inelastic scattering. By using the technique of Mellin transforms not only for the solution of the...

Constraints on the Proton's Gluon Distribution from Prompt Photon Production (1995)

Vogelsang, W., Vogt, A.

We analyze the capability of prompt photon production in pp and pp(bar) collisions to constrain the gluon distribution of the proton, considering data from fixed-target experiments as well as...

Dynamical Parton Distributions for alpha_{S} Determinations (1995)

Vogt, A.

Precise determinations of the strong coupling constant in hadronic collisions demand sets of parton densities spanning a sufficiently wide range of values for the QCD scale parameter Lambda. For such...

Comparison of different PIV evaluation techniques applied to DLR PIV recordings (1995)

Willert, C., Vogt, A., Bretthauer, B., Kompenhans, J.

A set of five PIV recordings from the DLR database has been evaluated by a number of GARTEUR member teams including DLR. The results of the evaluations are compared during this presentation. Aside...

Recombinant hirudin and front-loaded alteplase in acute myocardial infarction: Final results of a pilot study HIT-I (hirudin for the improvement of thrombolysis) (1995)

Zeymer, U., Von Essen, R., Tebbe, U., Jessel, A., Vogt, A., ...

Recombinant hirudin, a specific thrombin inhibitor, has been shown to accelerate thrombolysis and reduce reocclusions in experimental models. In a pilot trial recombinant hirudin (HBW 023) was used...

Light Gluinos and the Parton Structure of the Nucleon (1994)

Rueckl, R., Vogt, A.

We study the effects of light gluinos with mass below about 1 GeV on the nucleon parton densities and the running of alpha_(S). It is shown that from the available high-statistics DIS data no lower...

A compact and simple all optical evaluation method for PIV recordings (1994)

Vogt, A., Kompenhans, J., Reichel, F.

Vorgestellt wird ein fast rein optisch arbeitendes Auswertesystem fuer PIV Bilder. Die Bestimmung der gesuchten Autokorrelationsfunktionen durch zweimalige Fouriertransformation wird durch die...

A light sheet technique for the visualization of instabilities in the boundary layer on a flat plate with zero pressure gradient (1994)

Fischer, M., Raffel, M., Vogt, A., Kompenhans, J.

The visualization technique described here works non-intrusively as it needs no equipment to be inserted in the flow near the boundary layer. The technique offers the possibility to study the...

Combined PIV and visualization experiments on instabilities in a flat plate boundary layer with zero pressure gradient (1994)

Fischer, M., Raffel, M., Vogt, A., Kompenhans, J.

Quantitative and visual data of artificially forced instabilities have been acquired in a flat plate boundary layer in air. For the first time the Particle Image Velocimetry (PIV) allows the...

Application of Particle Image Velocimetry - Theory and Practice (1994)

Kompenhans, J., Raffel, M., Vogt, A., Bretthauer, B., Stasicki, B., Vollmers, H., ...

For investigations of flow fields with pronounced spatial structures and/or rapid temporal or spatical chances new experimental techniques, such as Particle Image Velocimetry (PIV) are required which...

A compact and simple all optical evaluation method for PIV Recordings (1994)

Vogt, A., Reichel, F., Kompenhans, J.

Es wird ein neuer, vollstndig analog-optisch arbeitender Autokorrelator vorgestellt. Hauptmerkmale dieses Korrelators ist ein optisch adressierbarer Lichtmodulator. Mit dem neu aufgebauten System...

Optische Auswertung von Particle-Image-Velocimetry-Messungen im Nachlauf eines quer angestroemten Kreiszylinders (1994)

Vogt, A.

Es wird ein neues Verfahren vorgestellt, mit dem die Auswertung von Particle-Image-Velocimetry-Messungen groesstenteils auf optischem Wege realisiert werden kann. Mit dem Verfahren werden...

Untersuchungen von Innenstroemungen an einem Modell einer Dieseleinspritzduese mit der Particle Image Velocimetry (1994)

Vogt, A., Kompenhans, J., Lauterbach, H.

Vorgestellt werden Ergebnisse von PIV-Messungen, die an einem Wassermodell einer Dieseleinspritzduese im Spritzloch durchgefuehrt wurden.

Particle Image Velocimetry Messungen im Nachlauf eines Kreiszylinders bei hohen Re-Zahlen (1994)

Vogt, A.

PIV Messungen im Nachlauf eines quer angestroemten Kreiszylinders bei hohen Reynoldszahlen erlauben die einfache Bestimmung von Wirbeltransportgeschwindigkeit sowie Periodizitaet und Qualitaet der...

Investigation of Unsteady Flow Fields in Wind Tunnels at High Flow Velocities by Means of Particle Image Velocimetry (1994)

Kompenhans, J., Raffel, M., Vogt, A., Fischer, M., Bretthauer, B., Vollmers, H., ...

Particle Image Velocimetry (PIV) is increasingly used to investigate unsteady velocity fields instantaneously. For the first time the PIV technique allows the recording of a complete velocity field...

Auswertung von PIV-Bildern aus dem Nachlauf eines Kreiszylinders mit zweifacher optischer Fouriertransformation (1994)

Vogt, A.

Es wird ein neues Verfahren vorgestellt, mit dem die Auswertung von Particle-Image-Velocimetry-Messungen groesstenteils auf optischem Wege realisiert werden kann. Mit dem Verfahren werden...

Application of Particle Image Velocimetry to Aerodynamic Investigations in Wind Tunnels (1994)

Kompenhans, J., Raffel, M., Vogt, A., Fischer, M., Bretthauer, B., Vollmers, H., ...

The PIV technique, which allows an instantaneous and nonintrusive measurement of the flow velocity in a two-dimensional plane within the recording of a complete velocity field in a plane of the flow...

Flow Field Measurement Techniques for Automotive Investigations in a Wind Tunnel (1993)

Schievelbusch, U., Vogt, A., Raffel, M., Kompenhans, J., Baumert, W.

In order to validate new 2D-algorithms experiments with a car-like shaped 2D model were performed with the aim obtaining experimental data to ascertain experimental turbulent flow field data for...

Particle Image Velocimetry fuer instationaere Stroemungen in grossen Windkanaelen (1993)

Vogt, A., Raffel, M., Kompenhans, J., Hack, A.

Im Rahmen einer Untersuchung des Nachlaufs eines 2-dimensionalen PKW-Modells wurde gezeigt, dass die Particle Image Velocimetry mit Erfolg in grossen Windkanaelen zur Untersuchung instationaerer,...

Einsatz der Particle Image Velocimetry in Windkanalexperimenten (1993)

Kompenhans, J., Raffel, M., Vogt, A., Fischer, M.

Nach einer kurzen Zusammenfassung der Grundlagen der PIV Messmethode wird das DLR-PIV-System vorgestellt. Weiterhin wird ueber verschiedene, mit Hilfe der PIV Methode in Windkanaelen durchgefuehrte...

Application of Particle Image Velocimetry - Theory and Practice - (1993)

Kompenhans, Jürgen, Raffel, Markus, Vogt, A., Bretthauer, Bernward, Fischer, M., Seyb, H., ...

For investigations of flow fields with pronounced spatial structures and/or rapid temporal or spatical changes new experimental techniques, such as Particle Image Velocimetry (PIV) are required which...

Aerodynamic Investigations in Low and High Speed Wind Tunnels by means of Particle Image Velocimetry (1993)

Kompenhans, J., Raffel, M., Vogt, A., Fischer, M.

Particle Image Velocimetry (PIV) is increasingly used to investigate unsteady velocity fields instantencously. For the first time the PIV technique allows the recording of a complete velocity field...

Optische Auswertung von Particle-Image-Velocimetry-Messungen im Nachlauf eines quer angestroemten Kreiszylinders (1993)

Vogt, A.

Es wird ein neues Verfahren vorgestellt, mit dem die Auswertung von Particle-Image-Velocimetry-Messungen groesstenteils auf optischem Wege realisiert werden kann. Mit dem Verfahren werden...

Combined PIV and visualization experiments on instabilities in a flat plate boundary layer with zero pressure gradient (1993)

Fischer, M., Raffel, M., Vogt, A., Kompenhans, J.

Quantitative and visual data of artificially forced instabilities have been acquired in a flat plate boundary layer in air. For the first time the Particle Image Velocimetry (PIV) allows the...

Auswertung von PIV-Bildern aus dem Nachlauf eines Kreiszylinders mit zweifacher optischer Fouriertransformation (1993)

Vogt, A.

Auswerteverfahren fuer die PIV-Aufnahmen unter der Benutzung der optischen Fouriertransformation. Sowohl die Young'schen Streifen als auch die gewuenschte Autokorrelationsfunktion werden auf rein...

YBCO Step Edge Junctions for Magnetically Tunable Resonators (1993)

A. Vogt, H. Matz, R. Dolata, R. Herwig, M. Neuhaus, P. Marienhoff, ...

Step edge junctions on NdGaO 3 substrates with a product I o R N » 50 µV and a promising rather uniform current density distribution along the junction width at 77 K have been fabricated. 196...

Messung des instationären Geschwindigkeitsfeldes an einem NACA 0012 Profil mit Hilfe der Particle Image Velocimetry (1992)

Raffel, M., Vogt, A., Kompenhans, J.

Das instationäre Geschwindigkeitsfeld über einem schwingenden NACA 0012 Profil wurde mit der PIV-Meßmethode im Hochgeschwindigkeitskanal Göttingen ermittelt. Bei zwei Anstroemgeschwindigkeiten...

The Evaluation of LDA Signals with Low SNR by a Fast Optical Burst Analyzer, (1992)

Vogt, A., Buetefisch, K. A., Kompenhans, J.

A new method is proposed to evaluate LDA signals by means of an optical Fourier transform instead of a digital transform in order to determine the Doppler frequency of the burst. Because the optical...

Comparison of Optical and Digital Evaluation of Photographic PIV Recordings, (1992)

Vogt, A., Raffel, M., Kompenhans, J.

An analog optical method for the evaluation of PIV recordings utilizing an electrically addressed spatial light modulator is described. A comparison of the results of the evaluation carried out as...

γγ Physics (1991)

P. Aurenche, Conveners P. Aurenche, G. A. Schuler, E. Boudinov, A. Buijs, M. Cacciari, ...

this report to extrapolate the published results to a total charm cross section. Some caution is in order however when comparing theory and the results of different experiments in this way. This...

Suppression of the depressor cardiac reflex during coronary occlusion by lidocaine--evidence for a central nervous site of action (1981)

VOGT, A., DAL RI, H., SCHMIDT, G., KREUZER, H.

The effect of lidocaine (0.35 and 0.7 mg/kg/min i.v.) on reflex cardiovascular depression was studied during coronary occlusion in 10 chloralose-anesthetized cats. Twenty to 60 s occlusion of...

Activated Drosophila Ras1 is selectively suppressed by isoprenyl transferase inhibitors.

Kauffmann, R C, Qian, Y, Vogt, A, Sebti, S M, Hamilton, A D, Carthew, R W

Ras CAAX (C = cysteine, A = aliphatic amino acid, and X = any amino acid) peptidomimetic inhibitors of farnesyl protein transferase suppress Ras-dependent cell transformation by preventing...

Immuno-electron microscopic localization of lipopolysaccharide antigens on ultrathin sections of Salmonella typhimurium.

Takamiya, H, Batsford, S, Gelderblom, H, Vogt, A

Lipopolysaccharide antigens were demonstrated on ultrathin sections of styrene-embedded Salmonella typhimurium by direct postembedding staining with ferritin-labeled antibodies. The antigenicity,...

Establishment of enzyme-linked immunosorbent assay using purified recombinant 83-kilodalton antigen of Borrelia burgdorferi sensu stricto and Borrelia afzelii for serodiagnosis of Lyme disease.

Rauer, S, Kayser, M, Neubert, U, Rasiah, C, Vogt, A

The 83-kDa antigen of Borrelia burgdorferi was expressed as a recombinant protein in Escherichia coli and purified for use in an enzyme-linked immunosorbent assay (p83-ELISA). Antibodies to the...

Use of a hybrid protein consisting of the variable region of the Borrelia burgdorferi flagellin and part of the 83-kDa protein as antigen for serodiagnosis of Lyme disease.

Rasiah, C, Rauer, S, Gassmann, G S, Vogt, A

A hybrid protein consisting of the variable region of the Borrelia burgdorferi flagellin (an 18-kDa fragment) and a 59-kDa fragment (lacking the N-terminal part) of the 83-kDa protein has been...

Solid-phase enzyme immunoassay for immunoglobulin M antibodies to cytomegalovirus.

Schmitz, H, Doerr, H W, Kampa, D, Vogt, A

A sensitive, solid-phase enzyme immunoassay for the detection of immunoglobulin M antibodies to cytomegalovirus is described. The results of the enzyme immunoassay correlated well with those obtained...

Interaction of C3b(2)--IgG complexes with complement proteins properdin, factor B and factor H: implications for amplification.

Jelezarova, E, Vogt, A, Lutz, H U

Nascent C3b can form ester bonds with various target molecules on the cell surface and in the fluid phase. Previously, we showed that C3b(2)--IgG complexes represent the major covalent product of C3...

Activated Drosophila Ras1 is selectively suppressed by isoprenyl transferase inhibitors.

Kauffmann, R C, Qian, Y, Vogt, A, Sebti, S M, Hamilton, A D, Carthew, R W

Ras CAAX (C = cysteine, A = aliphatic amino acid, and X = any amino acid) peptidomimetic inhibitors of farnesyl protein transferase suppress Ras-dependent cell transformation by preventing...

Immuno-electron microscopic localization of lipopolysaccharide antigens on ultrathin sections of Salmonella typhimurium.

Takamiya, H, Batsford, S, Gelderblom, H, Vogt, A

Lipopolysaccharide antigens were demonstrated on ultrathin sections of styrene-embedded Salmonella typhimurium by direct postembedding staining with ferritin-labeled antibodies. The antigenicity,...

Establishment of enzyme-linked immunosorbent assay using purified recombinant 83-kilodalton antigen of Borrelia burgdorferi sensu stricto and Borrelia afzelii for serodiagnosis of Lyme disease.

Rauer, S, Kayser, M, Neubert, U, Rasiah, C, Vogt, A

The 83-kDa antigen of Borrelia burgdorferi was expressed as a recombinant protein in Escherichia coli and purified for use in an enzyme-linked immunosorbent assay (p83-ELISA). Antibodies to the...

Use of a hybrid protein consisting of the variable region of the Borrelia burgdorferi flagellin and part of the 83-kDa protein as antigen for serodiagnosis of Lyme disease.

Rasiah, C, Rauer, S, Gassmann, G S, Vogt, A

A hybrid protein consisting of the variable region of the Borrelia burgdorferi flagellin (an 18-kDa fragment) and a 59-kDa fragment (lacking the N-terminal part) of the 83-kDa protein has been...

Solid-phase enzyme immunoassay for immunoglobulin M antibodies to cytomegalovirus.

Schmitz, H, Doerr, H W, Kampa, D, Vogt, A

A sensitive, solid-phase enzyme immunoassay for the detection of immunoglobulin M antibodies to cytomegalovirus is described. The results of the enzyme immunoassay correlated well with those obtained...

Interaction of C3b(2)--IgG complexes with complement proteins properdin, factor B and factor H: implications for amplification.

Jelezarova, E, Vogt, A, Lutz, H U

Nascent C3b can form ester bonds with various target molecules on the cell surface and in the fluid phase. Previously, we showed that C3b(2)--IgG complexes represent the major covalent product of C3...

Antigen-binding capacity and affinity of ferritin conjugated antibodies

Wernet, Dorothee, Vogt, A.

Anti-DNP-globulin from hyperimmunized rabbits was conjugated to ferritin by means of the bifunctional reagent, metaxylene diisocyanate. About 37 per cent of the antibody linked to ferritin was still...

Isolation and characterization of immunoferritin conjugates: II. Antibody binding capacity in vitro

Birnbaum, Ursula, Vogt, A., Marinis, S.

The antibody activity of the IgG fraction of anti-HSA from the rabbit was compared with the antibody activity of the same fraction conjugated to ferritin. No significant loss of antibody activity due...

Isolation and characterization of immunoferritin conjugates: I. The molecular ratio

Marinis, S., Vogt, A., Brandner, G.

125I-labelled γ-globulin was conjugated to ferritin for the determination of the molecular ratio in ferritin—γ-globulin conjugates. Equimolar ratios were found in all conjugates free of uncoupled...

Antibodies to DNA, chromatin core particles and histones in mice with graft-versus-host disease and their involvement in glomerular injury.

Meziere, C, Stöckl, F, Batsford, S, Vogt, A, Muller, S

Chronic graft-versus-host disease (GVHD) was induced in female (C57 B10S/DBA/2)F1 hybrid mice with two successive injections of lymphoid cells from parental DBA/2 strain. Serial bleedings of 27 GVHD...

Two novel cationic staphylococcal proteins induce IL-2 secretion, proliferation and immunoglobulin synthesis in peripheral blood mononuclear cells (PBMC) of both healthy controls and patients with common variable immunodeficiency (CVID).

Jahreis, A, Yousif, Y, Rump, J A, Dräger, R, Vogt, A, Peter, H H, ...

Two cationic proteins, a neutral phosphatase (NP-tase) and a 70-kD protein (p70) were isolated from Staphylococcus aureus by ion exchange chromatography. We compared their properties to those of the...

The effect of protamine sulfate on the course of immune complex glomerulonephritis in the rat.

Oite, T, Shimizu, F, Batsford, S R, Vogt, A

In vivo studies in rats demonstrated that the binding of a highly cationic antigen (cationized human IgG, pI greater than 9.5) to glomerular polyanion could be significantly reduced by prior...

Mitogenic activity of extracellular cationic products produced by group A streptococci; analysis of the lymphocyte response.

Suzuki, M, Vogt, A

The cationic fraction (isoelectric point greater than 8.5) of supernatant products of group A streptococcal cultures exerted a strong mitogenic effect on human peripheral lymphocytes at...

Surface charge distribution is a determinant of antigen deposition in the renal glomerulus: studies employing 'charge-hybrid' molecules.

Batsford, S R, Mihatsch, M J, Rawiel, M, Schmiedeke, T M, Vogt, A

The deposition of antigens and immune complexes (IC) in the renal glomerulus is charge-dependent. The demonstration that molecules of net anionic charge, but with discrete positively charged regions,...

Glomerular immune deposits in murine lupus models may contain histones.

Schmiedeke, T, Stoeckl, F, Muller, S, Sugisaki, Y, Batsford, S, Woitas, R, ...

Two types of lupus mice, NZB/NZW F1 female hybrids and mice with graft-versus-host disease (GVHD), were studied. Histones H3 and H2A were detected by immunofluorescence in glomeruli of 22/22...

Genetic factors influence level of proteinuria in cationic antigen-induced immune complex glomerulonephritis in the rat.

Kato, A, Thaiss, F, Oite, T, Günther, E, Batsford, S, Vogt, A

The influence of genetic factors on the susceptibility of the rat to cationic antigen-induced in situ immune complex glomerulonephritis was investigated. The levels of proteinuria developing in 11...

An active model of immune complex glomerulonephritis in the rat employing cationized antigen.

Oite, T., Shimizu, F., Kihara, I., Batsford, S. R., Vogt, A.

An active model of in situ immune complex glomerulonephritis involving a cationic antigen was established. Three weeks after immunization with human IgG, the left kidneys of Wistar rats were perfused...

Anti-DNA antibody derived from a systemic lupus erythematosus (SLE) patient forms histone–DNA–anti-DNA complexes that bind to rat glomeruli in vivo

MORIOKA, T, FUJIGAKI, Y, BATSFORD, S R, WOITAS, R, OITE, T, SHIMIZU, F, ...

Histone can mediate the binding of both free DNA and DNA complexed to anti-DNA antibody to the glomerular capillary wall. We tested whether preformed histone–DNA–anti-DNA immune complexes (IC)...

Quantitative studies of in situ immune complex glomerulonephritis in the rat induced by planted, cationized antigen

Oite, T, Batsford, SR, Mihatsch, MJ, Takamiya, H, Vogt, A

Cationized human IgG can bind to the rat glomerular basement membrane (GBM), act as planted antigen, and induce in situ immune complex formation accompanied by severe glomerulonephritis. Perfusion of...