Stephen Keen
Stephen Keen
Palmerston North Hospital
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Measuring the accuracy of particle position and force in optical tweezers using high-speed video microscopy
GM Gibson, J Leach, S Keen, AJ Wright, MJ Padgett
Optics express 16 (19), 14561-14570, 2008
Comparison of Faxén’s correction for a microsphere translating or rotating near a surface
J Leach, H Mushfique, S Keen, R Di Leonardo, G Ruocco, JM Cooper, ...
Physical Review E 79 (2), 026301, 2009
Direct measurement of the skew angle of the Poynting vector in a helically phased beam
J Leach, S Keen, MJ Padgett, C Saunter, GD Love
Optics express 14 (25), 11919-11924, 2006
Comparison of a high-speed camera and a quadrant detector for measuring displacements in optical tweezers
S Keen, J Leach, G Gibson, MJ Padgett
Journal of Optics A: Pure and Applied Optics 9 (8), S264, 2007
Hydrodynamic interactions in two dimensions
R Di Leonardo, S Keen, F Ianni, J Leach, MJ Padgett, G Ruocco
Physical Review E 78 (3), 031406, 2008
Eigenmodes of a hydrodynamically coupled micron-size multiple-particle ring
R Di Leonardo, S Keen, J Leach, CD Saunter, GD Love, G Ruocco, ...
Physical Review E 76 (6), 061402, 2007
Independent polarisation control of multiple optical traps
D Preece, S Keen, E Botvinick, R Bowman, M Padgett, J Leach
Optics express 16 (20), 15897-15902, 2008
Multipoint viscosity measurements in microfluidic channels using optical tweezers
S Keen, A Yao, J Leach, R Di Leonardo, C Saunter, G Love, J Cooper, ...
Lab on a Chip 9 (14), 2059-2062, 2009
The effect of external forces on discrete motion within holographic optical tweezers
E Eriksson, S Keen, J Leach, M Goksör, MJ Padgett
Optics Express 15 (26), 18268-18274, 2007
An exploration of the microrheological environment around the distal ileal villi and proximal colonic mucosa of the possum (Trichosurus vulpecula)
YF Lim, MAK Williams, RG Lentle, PWM Janssen, BW Mansel, SAJ Keen, ...
Journal of the Royal Society Interface 10 (81), 20121008, 2013
DNA visualization in single molecule studies carried out with optical tweezers: Covalent versus non-covalent attachment of fluorophores
S Suei, A Raudsepp, LM Kent, SAJ Keen, VV Filichev, MAK Williams
Biochemical and biophysical research communications 466 (2), 226-231, 2015
Underdamped modes in a hydrodynamically coupled microparticle system
AM Yao, SAJ Keen, DR Burnham, J Leach, R Di Leonardo, D McGloin, ...
New Journal of Physics 11 (5), 053007, 2009
A practical review of microrheological techniques
BW Mansel, S Keen, PJ Patty, Y Hemar, MAK Williams
Rheology-New Concepts, Applications and Methods, edited by R. Durairaj …, 2013
Optical trapping studies of colloidal interactions in liquid films
R Di Leonardo, F Ianni, F Saglimbeni, G Ruocco, S Keen, J Leach, ...
Colloids and Surfaces A: Physicochemical and Engineering Aspects 343 (1-3 …, 2009
High-speed video microscopy in optical tweezers
SAJ Keen
University of Glasgow, 2009
Tiny Hands for Light Work: A Fingertip Interface for Holographic Optical Tweezers
M Padgett, G Gibson, S Keen, J Leach
Frontiers in Optics, FTuM1, 2008
Independent polarization control of multiple optical traps
EL Botvinick, D Preece, S Keen, R Bowman, M Padgett, J Leach
Multipoint viscosity measurements in microfluidic channels using optical tweezers Keen, Stephen; Yao, Alison; Leach, Jonathan; Di Leonardo, Roberto; Saunter, Chris; Love …
S Keen, A Yao
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