Real time chemical characterization of local and regional nitrate aerosols (2009)
M. Dall'Osto, R. M. Harrison, H. Coe, P. I. Williams, J. D. Allan
Nitrate aerosols make a very major contribution to PM<sub>2.5</sub> and PM<sub>10</sub> in western Europe, but their sources and pathways have not been fully elucidated. An...
Characterization of organic ambient aerosol during MIRAGE 2006 on three platforms (2009)
S. Gilardoni, L. Shang, S. Takahama, L. M. Russell, J. D. Allan, R. Steinbrecher, ...
Submicron atmospheric aerosol particles were collected during the Megacity Initiative: Local and Global Research Observation (MILAGRO) in March 2006 at three platforms located in the Mexico City...
W. T. Morgan, J. D. Allan, K. N. Bower, G. Capes, J. Crosier, P. I. Williams, ...
A synthesis of UK based airborne in-situ measurements of aerosol properties representing air masses from North-West Europe and the North-East Atlantic is presented. The major focus of the study is...
W. T. Morgan, J. D. Allan, K. N. Bower, G. Capes, J. Crosier, P. I. Williams, ...
A synthesis of UK based airborne in-situ measurements of aerosol properties representing air masses from North-West Europe and the North-East Atlantic is presented. The major focus of the study is...
Characterization of organic ambient aerosol during MIRAGE 2006 on three platforms (2009)
S. Gilardoni, S. Liu, S. Takahama, L. M. Russell, J. D. Allan, R. Steinbrecher, ...
Submicron atmospheric aerosol particles were collected during the Megacity Initiative: Local and Global Research Observation (MILAGRO) in March 2006 at three platforms located in the Mexico City...
J. D. Allan, D. O. Topping, N. Good, M. Irwin, M. Flynn, P. I. Williams, ...
Marine aerosol composition continues to represent a large source of uncertainty in the study of climate and atmospheric chemistry. In addition to their physical size and chemical composition,...
J. D. Allan, P. I. Williams, W. T. Morgan, C. L. Martin, M. J. Flynn, J. Lee, ...
Organic matter frequently represents the single largest fraction of fine particulates in urban environments and yet the exact contributions from different sources and processes remain uncertain,...
B. Ervens, M. J. Cubison, E. Andrews, G. Feingold, J. A. Ogren, J. L. Jimenez, ...
An accurate but simple quantification of the fraction of aerosol particles that can act as cloud condensation nuclei (CCN) is needed for implementation in large-scale models. Data on aerosol size...
J. D. Lee, G. McFiggans, J. D. Allan, A. R. Baker, S. M. Ball, A. K. Benton, ...
The NERC UK SOLAS-funded Reactive Halogens in the Marine Boundary Layer (RHaMBLe) programme comprised three field experiments. This manuscript presents an overview of the measurements made within the...
N. Good, D. O. Topping, J. D. Allan, M. Flynn, E. Fuentes, M. Irwin, ...
Results from a measurement study performed in the Tropical Atlantic on board the RHaMBLe Discovery Cruise D319 are presented. Measurements of aerosol composition, hygroscopicity and CCN activity were...
Atmospheric Chemistry and Physics Discussions (2008)
R. M. Harrison, H. Furutani, K. A. Prather, H. Coe, J. D. Allan
Studies of aerosol at a coastal site using two aerosol mass spectrometry instruments and identification of biogenic particle types
Structured total least norm and approximate GCDs of inexact polynomials (2008)
The determination of an approximate greatest common divisor (GCD) of two inexact polynomials f=f(y) and g=g(y) arises in several applications, including signal processing and control. This...
Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...
Measurements of organic carbon compounds in both the gas and particle phases made upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC) in the...
The role of VOC oxidation products in continental new particle formation (2008)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April 2003, in Hyytiälä, Finland. Our aim was to understand the role of...
Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...
Measurements of organic carbon compounds in both the gas and particle phases made upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC) in the...
Clouds and aerosols in Puerto Rico ? a new evaluation (2008)
Allan, J. D., Baumgardner, D., Raga, G. B., Mayol-Bracero, O. L., Morales-García, F., García-García, F., ...
The influence of aerosols, both natural and anthropogenic, remains a major area of uncertainty when predicting the properties and behaviour of clouds and their influence on climate. In an attempt to...
The role of VOC oxidation products in continental new particle formation (2008)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April 2003, in Hyytiälä, Finland. Our aim was to understand the role of...
Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...
Measurements of organic carbon compounds in both the gas and particle phases made upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC) in the...
Clouds and aerosols in Puerto Rico ? a new evaluation (2008)
Allan, J. D., Baumgardner, D., Raga, G. B., Mayol-Bracero, O. L., Morales-García, F., García-García, F., ...
The influence of aerosols, both natural and anthropogenic, remains a major area of uncertainty when predicting the properties and behaviour of clouds and their influence on climate. In an attempt to...
The role of VOC oxidation products in continental new particle formation (2008)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Clouds and aerosols in Puerto Rico - a new evaluation (2008)
Allan, J. D., Baumgardner, D., Raga, G. B., Mayol-Bracero, O. L., Morales-Garcia, F., Garcia-Garcia, F., ...
Clouds and aerosols in Puerto Rico ─ a new evaluation (2008)
J. D. Allan, D. Baumgardner, G. B. Raga, F. Morales-García, F. García-García, ...
The influence of aerosols, both natural and anthropogenic, remains a major area of uncertainty when predicting the properties and behaviour of clouds and their influence on climate. In an attempt to...
C. L. Heald, A. H. Goldstein, J. D. Allan, A. C. Aiken, E. Apel, E. L. Atlas, ...
Measurements of organic carbon compounds in both the gas and particle phases made upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC) in the...
The role of VOC oxidation products in continental new particle formation (2008)
A. Laaksonen, M. Kulmala, C. D. O'Dowd, J. Joutsensaari, P. Vaattovaara, S. Mikkonen, ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March–April 2003, in Hyytiälä, Finland. Our aim was to understand the...
Real time chemical characterization of local and regional nitrate aerosols (2008)
M. Dall'Osto, R. M. Harrison, H. Coe, P. I. Williams, J. D. Allan
Nitrate aerosols make a very major contribution to PM<sub>2.5</sub> and PM<sub>10</sub> in western Europe, but their sources and pathways have not been fully elucidated. An...
Total observed organic carbon (TOOC): a synthesis of North American observations. (2008)
Heald, C.L., Goldstein, A.H., Allan, J.D., Aiken, A.C., Apel, E., Atlas, E.L., ...
Atmospheric Chemistry and Physics, 8(2008) S.2007-25
The role of VOC oxidation products in continental new particle formation. (2008)
Laaksonen, A., Kulmala, M., O'Dowd, C.D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Atmospheric Chemistry and Physics, 8(2008) S.2657-65
Total Observed Organic Carbon (TOOC): A synthesis of North American observations (2007)
Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...
Measurements of organic carbon compounds in both the gas and particle phases measured upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC)...
D. Salcedo, T. B. Onasch, M. R. Canagaratna, K. Dzepina, J. A. Huffman, J. T. Jayne, ...
Two Aerodyne Aerosol Mass Spectrometers (Q-AMS) were deployed in Mexico City, during the Mexico City Metropolitan Area field study (MCMA-2003) from 29 March–4 May 2003 to investigate particle...
Total Observed Organic Carbon (TOOC): A synthesis of North American observations (2007)
Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...
Measurements of organic carbon compounds in both the gas and particle phases measured upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC)...
Clouds and aerosols in Puerto Rico ? a new evaluation (2007)
Allan, J. D., Baumgardner, D., Raga, G. B., Mayol-Bracero, O. L., Morales-García, F., García-García, F., ...
The influence of aerosols, both natural and anthropogenic, remains a major area of uncertainty when predicting the properties and behaviour of clouds and their influence on climate. In an attempt to...
The role of VOC oxidation products in continental new particle formation (2007)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April, 2003, in Hyytiälä, Finland. Our aim was to understand the role of...
Salcedo, D., Onasch, T. B., Canagaratna, M. R., Dzepina, K., Huffman, J. A., Jayne, J. T., ...
Two Aerodyne Aerosol Mass Spectrometers (Q-AMS) were deployed in Mexico City, during the Mexico City Metropolitan Area field study (MCMA-2003) from 29 March?4 May 2003 to investigate particle...
Total Observed Organic Carbon (TOOC): A synthesis of North American observations (2007)
Heald, C. L., Goldstein, A. H., Allan, J. D., Aiken, A. C., Apel, E., Atlas, E. L., ...
Measurements of organic carbon compounds in both the gas and particle phases measured upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC)...
Clouds and aerosols in Puerto Rico ? a new evaluation (2007)
Allan, J. D., Baumgardner, D., Raga, G. B., Mayol-Bracero, O. L., Morales-García, F., García-García, F., ...
The influence of aerosols, both natural and anthropogenic, remains a major area of uncertainty when predicting the properties and behaviour of clouds and their influence on climate. In an attempt to...
The role of VOC oxidation products in continental new particle formation (2007)
Laaksonen, A., Kulmala, M., O'Dowd, C. D., Joutsensaari, J., Vaattovaara, P., Mikkonen, S., ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March?April, 2003, in Hyytiälä, Finland. Our aim was to understand the role of...
Salcedo, D., Onasch, T. B., Canagaratna, M. R., Dzepina, K., Huffman, J. A., Jayne, J. T., ...
Two Aerodyne Aerosol Mass Spectrometers (Q-AMS) were deployed in Mexico City, during the Mexico City Metropolitan Area field study (MCMA-2003) from 29 March?4 May 2003 to investigate particle...
Clouds and aerosols in Puerto Rico – a new evaluation (2007)
Allan, J. D., Baumgardner, D., Raga, G. B., Mayol-Bracero, O. L., Morales-García, F., García-García, F., ...
The role of VOC oxidation products in continental new particle formation (2007)
A. Laaksonen, M. Kulmala, C. D. O'Dowd, J. Joutsensaari, P. Vaattovaara, S. Mikkonen, ...
Aerosol physical and chemical properties and trace gas concentrations were measured during the QUEST field campaign in March–April, 2003, in Hyytiälä, Finland. Our aim was to understand the...
Clouds and aerosols in Puerto Rico – a new evaluation (2007)
J. D. Allan, D. Baumgardner, G. B. Raga, F. Morales-García, F. García-García, ...
The influence of aerosols, both natural and anthropogenic, remains a major area of uncertainty when predicting the properties and behaviour of clouds and their influence on climate. In an attempt to...
Total Observed Organic Carbon (TOOC): A synthesis of North American observations (2007)
C. L. Heald, A. H. Goldstein, J. D. Allan, A. C. Aiken, E. Apel, E. L. Atlas, ...
Measurements of organic carbon compounds in both the gas and particle phases measured upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC)...
Limnology of Andean piedmont rivers of Venezuela (2006)
J. D. Allan, A. S. Flecker, S. Segnini, D. C. Taphorn, E. Sokol, G. W. Kling
J. D. Allan, M. R. Alfarra, K. N. Bower, H. Coe, J. T. Jayne, D. R. Worsnop, ...
The study of the growth of nucleation-mode particles is important, as this prevents their loss through diffusion and allows them to reach sizes where they may become effective cloud condensation...
D. E. Heard, K. A. Read, J. Methven, S. Al-Haider, W. J. Bloss, G. P. Johnson, ...
The North Atlantic Marine Boundary Layer Experiment (NAMBLEX), involving over 50 scientists from 12 institutions, took place at Mace Head, Ireland (53.32° N, 9.90° W), between 23 July and 4...
H. Coe, J. D. Allan, M. R. Alfarra, K. N. Bower, M. J. Flynn, G. B. McFiggans, ...
A suite of aerosol physical and chemical measurements were made at the Mace Head Atmospheric Research Station, Co. Galway, Ireland, a coastal site on the eastern seaboard of the north Atlantic Ocean...
Coe, H., Allan, J. D., Alfarra, M. R., Bower, K. N., Flynn, M. J., Mcfiggans, G. B., ...
A suite of aerosol physical and chemical measurements were made at the Mace Head Atmospheric Research Station, Co. Galway, Ireland, a coastal site on the eastern seaboard of the north Atlantic Ocean...
Heard, D. E., Read, K. A., Methven, J., Al-Haider, S., Bloss, W. J., Johnson, G. P., ...
The North Atlantic Marine Boundary Layer Experiment (NAMBLEX), involving over 50 scientists from 12 institutions, took place at Mace Head, Ireland (53.32° N, 9.90° W), between 23 July and 4...
Allan, J. D., Alfarra, M. R., Bower, K. N., Coe, H., Jayne, J. T., Worsnop, D. R., ...
The study of the growth of nucleation-mode particles is important, as this prevents their loss through diffusion and allows them to reach sizes where they may become effective cloud condensation...
Coe, H., Allan, J. D., Alfarra, M. R., Bower, K. N., Flynn, M. J., Mcfiggans, G. B., ...
A suite of aerosol physical and chemical measurements were made at the Mace Head Atmospheric Research Station, Co. Galway, Ireland, a coastal site on the eastern seaboard of the north Atlantic Ocean...
Heard, D. E., Read, K. A., Methven, J., Al-Haider, S., Bloss, W. J., Johnson, G. P., ...
The North Atlantic Marine Boundary Layer Experiment (NAMBLEX), involving over 50 scientists from 12 institutions, took place at Mace Head, Ireland (53.32° N, 9.90° W), between 23 July and 4...
Allan, J. D., Alfarra, M. R., Bower, K. N., Coe, H., Jayne, J. T., Worsnop, D. R., ...
The study of the growth of nucleation-mode particles is important, as this prevents their loss through diffusion and allows them to reach sizes where they may become effective cloud condensation...
High Speed Water Jets from Vertically Accelerated Rotating Cones, (2005)
Savic,P., Allan,J. D., Van Blokland,G. P.
Water jets are produced by vertically accelerating a rotating cone partially filled with water. It is shown that the acceleration of the parabolic meniscus results in a motion similar to that...
Heard, D. E., Read, K. A., Methven, J., Al-Haider, S., Bloss, W. J., Johnson, G. P., ...
The North Atlantic Marine Boundary Layer Experiment (NAMBLEX), involving over 50 scientists from 12 institutions, took place at Mace Head, Ireland (53.32° N, 9.90° W), between 23 July and 4...
Coe, H., Allan, J. D., Alfarra, M. R., Bower, K. N., Flynn, M. J., Mcfiggans, G. B., ...
Aerosol number concentrations and size distributions from 3 nm to 20 µm diameter were measured at the Mace Head Atmospheric Research Station, Co. Galway, Ireland, a coastal site on the eastern...
Dall'Osto, M., Harrison, R. M., Furutani, H., Prather, K. A., Coe, H., Allan, J. D.
During August 2004 an Aerosol Time-of-Flight Mass Spectrometer (TSI ATOFMS Model 3800-100) and an Aerodyne Aerosol Mass Spectrometer (AMS) were deployed at Mace Head during the NAMBLEX campaign....
Allan, J. D., Alfarra, M. R., Bower, K. N., Coe, H., Jayne, J. T., Worsnop, D. R., ...
The study of the growth of nucleation-mode particles is important, as this prevents their loss through diffusion and allows them to reach sizes where they may become effective cloud condensation...
Heard, D. E., Read, K. A., Methven, J., Al-Haider, S., Bloss, W. J., Johnson, G. P., ...
The North Atlantic Marine Boundary Layer Experiment (NAMBLEX), involving over 50 scientists from 12 institutions, took place at Mace Head, Ireland (53.32° N, 9.90° W), between 23 July and 4...
Coe, H., Allan, J. D., Alfarra, M. R., Bower, K. N., Flynn, M. J., Mcfiggans, G. B., ...
Aerosol number concentrations and size distributions from 3 nm to 20 µm diameter were measured at the Mace Head Atmospheric Research Station, Co. Galway, Ireland, a coastal site on the eastern...
Dall'Osto, M., Harrison, R. M., Furutani, H., Prather, K. A., Coe, H., Allan, J. D.
During August 2004 an Aerosol Time-of-Flight Mass Spectrometer (TSI ATOFMS Model 3800-100) and an Aerodyne Aerosol Mass Spectrometer (AMS) were deployed at Mace Head during the NAMBLEX campaign....
Allan, J. D., Alfarra, M. R., Bower, K. N., Coe, H., Jayne, J. T., Worsnop, D. R., ...
The study of the growth of nucleation-mode particles is important, as this prevents their loss through diffusion and allows them to reach sizes where they may become effective cloud condensation...
H. Coe, J. D. Allan, M. R. Alfarra, K. N. Bower, M. J. Flynn, G. B. McFiggans, ...
Aerosol number concentrations and size distributions from 3 nm to 20 µm diameter were measured at the Mace Head Atmospheric Research Station, Co. Galway, Ireland, a coastal site on the...
D. E. Heard, K. A. Read, J. Methven, S. Al-Haider, W. J. Bloss, G. P. Johnson, ...
The North Atlantic Marine Boundary Layer Experiment (NAMBLEX), involving over 50 scientists from 12 institutions, took place at Mace Head, Ireland (53.32° N, 9.90° W), between 23 July and 4...
Geological studies of the Lynn Lake area, Northern Manitoba / (1948)
Thesis. (Ph. D.) Massachusetts Institute of Technology. Dept. of Geology, 1948.
In vitro activities of ICI 194008 and ICI 193428, two new cephem antimicrobial agents.
Allan, J D, Eliopoulos, G M, Reiszner, E, Moellering, R C
The in vitro activities of two new cephem antibiotics, ICI 193428 and ICI 194008, were compared with those of cefpirome, cefotaxime, ceftazidime, and piperacillin. Essentially all strains of the...
Comparative in vitro activities of cefpiramide and apalcillin individually and in combination.
Allan, J D, Eliopoulos, G M, Ferraro, M J, Moellering, R C
The in vitro activities of cefpiramide and apalcillin were compared with those of other third-generation cephalosporins and extended-spectrum penicillins against over 1,000 clinical bacterial...
Cell-mediated immunity in patients with cystic fibrosis.
Gibbons, A, Allan, J D, Holzel, A, McFarlane, H
Leucocytes from 26 patients with cystic fibrosis (CF) and 18 healthy controls were investigated by migration inhibition induced by a variety of antigens. In patients with CF cell-mediated immunity...
Immune Complexes in Cystic Fibrosis
McFarlane, H., Holzel, A., Brenchley, P., Allan, J. D., Wallwork, J. C., Singer, B. E., ...
Circulating immune complexes were detected in serum and sputum of patients with cystic fibrosis (C.F.). There were extensive deposits of immunoglobulins and complement immune complexes in several of...
In vitro activities of ICI 194008 and ICI 193428, two new cephem antimicrobial agents.
Allan, J D, Eliopoulos, G M, Reiszner, E, Moellering, R C
The in vitro activities of two new cephem antibiotics, ICI 193428 and ICI 194008, were compared with those of cefpirome, cefotaxime, ceftazidime, and piperacillin. Essentially all strains of the...
Comparative in vitro activities of cefpiramide and apalcillin individually and in combination.
Allan, J D, Eliopoulos, G M, Ferraro, M J, Moellering, R C
The in vitro activities of cefpiramide and apalcillin were compared with those of other third-generation cephalosporins and extended-spectrum penicillins against over 1,000 clinical bacterial...
Cell-mediated immunity in patients with cystic fibrosis.
Gibbons, A, Allan, J D, Holzel, A, McFarlane, H
Leucocytes from 26 patients with cystic fibrosis (CF) and 18 healthy controls were investigated by migration inhibition induced by a variety of antigens. In patients with CF cell-mediated immunity...
Immune Complexes in Cystic Fibrosis
McFarlane, H., Holzel, A., Brenchley, P., Allan, J. D., Wallwork, J. C., Singer, B. E., ...
Circulating immune complexes were detected in serum and sputum of patients with cystic fibrosis (C.F.). There were extensive deposits of immunoglobulins and complement immune complexes in several of...
Some aspects of immunity in patients with cystic fibrosis
Wallwork, J. C., Brenchley, P., McCarthy, J., Allan, J. D., Moss, D., Milford Ward, A., ...
Various aspects of the immune status were examined in patients with cystic fibrosis (CF) and the following observations were made.