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Jim Walker
Jim Walker
Verified email at bristol.ac.uk
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Timescales of water transport in viscous aerosol: measurements on sub-micron particles and dependence on conditioning history
JW Lu, AMJ Rickards, JS Walker, KJ Knox, REH Miles, JP Reid, ...
Physical Chemistry Chemical Physics 16 (21), 9819-9830, 2014
822014
Accurate representations of the microphysical processes occurring during the transport of exhaled aerosols and droplets
JS Walker, J Archer, FKA Gregson, SES Michel, BR Bzdek, JP Reid
ACS central science 7 (1), 200-209, 2021
752021
Retrieval of the complex refractive index of aerosol droplets from optical tweezers measurements
REH Miles, JS Walker, DR Burnham, JP Reid
Physical Chemistry Chemical Physics 14 (9), 3037-3047, 2012
722012
Selection and characterization of aerosol particle size using a bessel beam optical trap for single particle analysis
AE Carruthers, JS Walker, A Casey, AJ Orr-Ewing, JP Reid
Physical Chemistry Chemical Physics 14 (19), 6741-6748, 2012
662012
Measurements of the evaporation and hygroscopic response of single fine-mode aerosol particles using a Bessel beam optical trap
MI Cotterell, BJ Mason, AE Carruthers, JS Walker, AJ Orr-Ewing, JP Reid
Physical Chemistry Chemical Physics 16 (5), 2118-2128, 2014
572014
Advanced aerosol optical tweezers chamber design to facilitate phase-separation and equilibration timescale experiments on complex droplets
K Gorkowski, H Beydoun, M Aboff, JS Walker, JP Reid, RC Sullivan
Aerosol Science and Technology 50 (12), 1327-1341, 2016
522016
Measurements of light extinction by single aerosol particles
JS Walker, AE Carruthers, AJ Orr-Ewing, JP Reid
The Journal of Physical Chemistry Letters 4 (10), 1748-1752, 2013
442013
A new approach to determine vapour pressures and hygroscopicities of aqueous aerosols containing semi-volatile organic compounds
C Cai, DJ Stewart, TC Preston, JS Walker, YH Zhang, JP Reid
Physical Chemistry Chemical Physics 16 (7), 3162-3172, 2014
392014
Direct comparison of the hygroscopic properties of ammonium sulfate and sodium chloride aerosol at relative humidities approaching saturation
JS Walker, JB Wills, JP Reid, L Wang, DO Topping, JR Butler, YH Zhang
The Journal of Physical Chemistry A 114 (48), 12682-12691, 2010
372010
Analytical challenges when sampling and characterising exhaled aerosol
FKA Gregson, S Sheikh, J Archer, HE Symons, JS Walker, AE Haddrell, ...
Aerosol Science and Technology 56 (2), 160-175, 2022
362022
Drying kinetics and particle formation from dilute colloidal suspensions in aerosol droplets
J Archer, JS Walker, FKA Gregson, DA Hardy, JP Reid
Langmuir 36 (42), 12481-12493, 2020
312020
Surface tensions of picoliter droplets with sub-millisecond surface age
REH Miles, MWJ Glerum, HC Boyer, JS Walker, CS Dutcher, BR Bzdek
The Journal of Physical Chemistry A 123 (13), 3021-3029, 2019
252019
Deviations from plane-wave Mie scattering and precise retrieval of refractive index for a single spherical particle in an optical cavity
BJ Mason, JS Walker, JP Reid, AJ Orr-Ewing
The Journal of Physical Chemistry A 118 (11), 2083-2088, 2014
232014
Coalescence sampling and analysis of aerosols using aerosol optical tweezers
AE Haddrell, REH Miles, BR Bzdek, JP Reid, RJ Hopkins, JS Walker
Analytical chemistry 89 (4), 2345-2352, 2017
222017
High time resolution measurements of droplet evaporation kinetics and particle crystallisation
DA Hardy, J Archer, P Lemaitre, R Vehring, JP Reid, JS Walker
Physical Chemistry Chemical Physics 23 (34), 18568-18579, 2021
202021
Accurate measurements and simulations of the evaporation and trajectories of individual solution droplets
DA Hardy, JF Robinson, TG Hilditch, E Neal, P Lemaitre, JS Walker, ...
The Journal of Physical Chemistry B 127 (15), 3416-3430, 2023
82023
Optical interrogation of single levitated droplets in a linear quadrupole trap by cavity ring-down spectroscopy
A Valenzuela, F Chu, AE Haddrell, MI Cotterell, JS Walker, AJ Orr-Ewing, ...
The Journal of Physical Chemistry A 125 (1), 394-405, 2020
82020
Using laser light to trap and explore the cloud‐forming properties of single aerosol particles
J Walker, J Wills, J Reid
Weather 66 (6), 165-168, 2011
42011
Direct comparison of the thermodynamic properties of sodium chloride and ammonium sulphate aerosol at relative humidities approaching saturation
J Walker, J Wills, J Reid
Geophys. Res. Abstr 13 (48), 12691-12691, 2011
32011
Dynamics and outcomes of binary collisions of equi-diameter picolitre droplets with identical viscosities
LP McCarthy, P Knapp, JS Walker, J Archer, REH Miles, MEJ Stettler, ...
Physical Chemistry Chemical Physics 24 (35), 21242-21249, 2022
22022
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Articles 1–20