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Research Output 1992 2019

2019

AC electrophoretic mobility of an optically trapped colloidal particle

Iki, K. & Kimura, Y., Jan 1 2019, In : Proceedings of SPIE - The International Society for Optical Engineering. 11141, OMC-5-02.

Research output: Contribution to journalConference article

Electrophoretic mobility
alternating current
Laser interferometry
Trapping
Lasers

AC electrophoretic mobility of individual microscale colloidal particles measured using holographic video microscopy

Ikeda, T., Eitoku, H. & Kimura, Y., Apr 15 2019, In : Applied Physics Letters. 114, 15, 153703.

Research output: Contribution to journalArticle

microbalances
alternating current
microscopy
electric fields
cells

Controlled armoring of metal surfaces with metallodielectric patchy particles

Noguchi, T. G., Iwashita, Y. & Kimura, Y., May 7 2019, In : Journal of Chemical Physics. 150, 17, 174903.

Research output: Contribution to journalArticle

Open Access
Gold
metal surfaces
Metals
gold
Monolayers

Motion of micro-sized colloidal particles induced by optical vortex

Iwamoto, K. & Kimura, Y., Jan 1 2019, In : Proceedings of SPIE - The International Society for Optical Engineering. 11141, OMC-8-02.

Research output: Contribution to journalConference article

Optical Vortex
Synchronization
Vortex flow
vortices
Motion
2018
2 Citations (Scopus)

Change in collective motion of colloidal particles driven by an optical vortex with driving force and spatial confinement

Saito, K., Okubo, S. & Kimura, Y., Jan 1 2018, In : Soft Matter. 14, 29, p. 6037-6042 6 p.

Research output: Contribution to journalArticle

Vortex flow
vortices
Optical tweezers
Angular momentum
Jamming
3 Citations (Scopus)

Emulsion Droplets Stabilized by Close-Packed Janus Regular Polygonal Particles

Koike, R., Iwashita, Y. & Kimura, Y., Oct 16 2018, In : Langmuir. 34, 41, p. 12394-12400 7 p.

Research output: Contribution to journalArticle

Janus
Emulsions
emulsions
Liquids
liquids
6 Citations (Scopus)

Self-propelled motion switching in nematic liquid crystal droplets in aqueous surfactant solutions

Suga, M., Suda, S., Ichikawa, M. & Kimura, Y., Jun 14 2018, In : Physical Review E. 97, 6, 062703.

Research output: Contribution to journalArticle

Surfactant
Nematic Liquid Crystal
Droplet
surfactants
liquid crystals
2017

Continuous rotation of a cholesteric liquid crystalline droplet by a circularly polarized optical tweezers

Tamura, Y. & Kimura, Y., Jan 1 2017, Optical Manipulation Conference. Morita, R. & Omatsu, T. (eds.). SPIE, 102520W. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10252).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical tweezers
Optical Tweezers
Droplet
Chirality
chirality
3 Citations (Scopus)

Density dependence of orientational order in one-patch particles

Iwashita, Y. & Kimura, Y., Jan 1 2017, In : Soft Matter. 13, 29, p. 4997-5007 11 p.

Research output: Contribution to journalArticle

Anisotropy
packing density
anisotropy
Opacity
Dispersions
9 Citations (Scopus)
Janus
Micelles
Ternary systems
ternary systems
Emulsions
4 Citations (Scopus)
hydrodynamics
hydrodynamic equations
low Reynolds number
interactions
micrometers
1 Citation (Scopus)

Rhythmic motion of colloidal particles driven by optical force

Saito, K. & Kimura, Y., Jan 1 2017, Optical Manipulation Conference. SPIE, Vol. 10252. 1025203

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical Forces
Hydrodynamic Interaction
Hydrodynamics
Optical tweezers
Motion
2016
3 Citations (Scopus)

Fabrication of ring assemblies of nematic colloids and their electric response

Tamura, Y. & Kimura, Y., Jan 4 2016, In : Applied Physics Letters. 108, 1, 011903.

Research output: Contribution to journalArticle

assemblies
colloids
polygons
fabrication
rings

Frequency-domain electro-optic response of chiral smectic liquid crystals

Kimura, Y. & Hayakawa, R., Apr 19 2016, Molecular and Colloidal Electro-optics. CRC Press, p. 525-549 25 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Smectic liquid crystals
Electrooptical effects
13 Citations (Scopus)

Spatial confinement governs orientational order in patchy particles

Iwashita, Y. & Kimura, Y., Jun 6 2016, In : Scientific reports. 6, 27599.

Research output: Contribution to journalArticle

viscoelasticity
frustration
stimuli
ferromagnetism
birefringence
2 Citations (Scopus)

Two-dimensional assemblies of nematic colloids in homeotropic cells and their response to electric fields

Tamura, Y. & Kimura, Y., Jan 1 2016, In : Soft Matter. 12, 32, p. 6817-6826 10 p.

Research output: Contribution to journalArticle

Colloids
assemblies
colloids
Electric fields
shrinkage
2015
8 Citations (Scopus)

Dynamic clustering of driven colloidal particles on a circular path

Okubo, S., Shibata, S., Kawamura, Y. S., Ichikawa, M. & Kimura, Y., Sep 8 2015, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 92, 3, 032303.

Research output: Contribution to journalArticle

Clustering
Path
Collective Motion
Optical Vortex
dissociation
2014
1 Citation (Scopus)

Collective behavior of the optically driven particles on a circular path

Okubo, S., Shibata, S. & Kimura, Y., Jan 1 2014, Optical Trapping and Optical Micromanipulation XI. Spalding, G. C. & Dholakia, K. (eds.). SPIE, 91641P. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9164).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Collective Behavior
Colloids
Particles (particulate matter)
Collective Motion
Hydrodynamic Interaction
7 Citations (Scopus)
Electrohydrodynamics
electrohydrodynamics
Nematic Liquid Crystal
Convection
convection
2 Citations (Scopus)

Measurement of interparticle force between nematic colloids

Kimura, Y. & Izaki, K., Jan 1 2014, Optical Trapping and Optical Micromanipulation XI. Spalding, G. C. & Dholakia, K. (eds.). SPIE, 91640O. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9164).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical tweezers
Liquid Crystals
Colloids
Liquid crystals
colloids
7 Citations (Scopus)

Melting of a finite-sized two-dimensional colloidal crystal

Tanaka, S., Oki, Y. & Kimura, Y., May 9 2014, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 89, 5, 052305.

Research output: Contribution to journalArticle

Melting
Crystal
melting
crystals
histograms
28 Citations (Scopus)

Orientational order of one-patch colloidal particles in two dimensions

Iwashita, Y. & Kimura, Y., Oct 7 2014, In : Soft Matter. 10, 37, p. 7170-7181 12 p.

Research output: Contribution to journalArticle

attraction
Liquid Crystals
Dimers
Monolayers
Phase transitions
2013
1 Citation (Scopus)
Colloids
colloids
Hydrodynamics
hydrodynamics
Hydrodynamic Interaction
9 Citations (Scopus)

Interparticle force between different types of nematic colloids

Izaki, K. & Kimura, Y., Jun 20 2013, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 87, 6, 062507.

Research output: Contribution to journalArticle

Colloids
colloids
Electrostatics
Analogy
Defects
38 Citations (Scopus)

Stable cluster phase of Janus particles in two dimensions

Iwashita, Y. & Kimura, Y., Dec 7 2013, In : Soft Matter. 9, 45, p. 10694-10698 5 p.

Research output: Contribution to journalArticle

Janus
Colloids
attraction
hemispheres
valence
2012
15 Citations (Scopus)

Hydrodynamically induced rhythmic motion of optically driven colloidal particles on a ring

Sassa, Y., Shibata, S., Iwashita, Y. & Kimura, Y., Jun 1 2012, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 85, 6, 061402.

Research output: Contribution to journalArticle

Ring
Motion
rings
Configuration
configurations
1 Citation (Scopus)

Nematic colloids - Interaction between particles in anisotropic liquids

Kimura, Y., Kishita, T., Kita, K. & Kondo, N., Jan 1 2012, In : journal of the physical society of japan. 81, SUPPL. A, SA007.

Research output: Contribution to journalArticle

colloids
liquids
liquid crystals
interactions
assembling
2011
11 Citations (Scopus)

Interparticle force in nematic colloids: Comparison between experiment and theory

Kishita, T., Kondo, N., Takahashi, K., Ichikawa, M., Fukuda, J. & Kimura, Y., Aug 5 2011, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 84, 2, 021704.

Research output: Contribution to journalArticle

Colloids
colloids
Experiment
Arrangement
Optical Tweezers

Temperature and confinement effect on interparticle force in nematic colloids

Kondo, N., Iwashita, Y. & Kimura, Y., Jul 28 2011, In : Molecular Crystals and Liquid Crystals. 545, p. 115-122 8 p.

Research output: Contribution to journalArticle

Colloids
temperature effects
colloids
Optical tweezers
Nematic liquid crystals
2010
15 Citations (Scopus)

Arrangement dependence of interparticle force in nematic colloids

Kishita, T., Takahashi, K., Ichikawa, M., Fukuda, J. & Kimura, Y., Jan 7 2010, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 81, 1, 010701.

Research output: Contribution to journalArticle

Colloids
colloids
Arrangement
Defects
Exponent
19 Citations (Scopus)
Dynamic Properties
dynamic characteristics
slits
Crossover
crossovers
14 Citations (Scopus)

Dependence of interparticle force on temperature and cell thickness in nematic colloids

Kondo, N., Iwashita, Y. & Kimura, Y., Aug 18 2010, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 82, 2, 020701.

Research output: Contribution to journalArticle

Colloids
colloids
Cell
Nematic Liquid Crystal
cells
12 Citations (Scopus)

Local mechanical properties of a hyperswollen lyotropic lamellar phase

Yamamoto, N., Ichikawa, M. & Kimura, Y., Aug 12 2010, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 82, 2, 021506.

Research output: Contribution to journalArticle

Local Properties
Mechanical Properties
interlayers
mechanical properties
Viscosity
2009
1 Citation (Scopus)

Effect of charge transfer complex on electrical properties of 4-cyano-4′-pentylbiphenyl

Koda, T., Mitsuyoshi, T., Kanazawa, A., Nishioka, A., Miyata, K., Murasawa, G., Ikeda, S., Miura, T. & Kimura, Y., Dec 1 2009, In : Japanese journal of applied physics. 48, 12, 121404.

Research output: Contribution to journalArticle

Threshold voltage
threshold voltage
Charge transfer
Electric properties
Permittivity
1 Citation (Scopus)

Extension and measurements on multicomponent phospholipid vesicles by use of dual-beam optical tweezers

Ichikawa, M., Shitamichi, Y. & Kimura, Y., Dec 1 2009, 20th Anniversary MHS 2009 and Micro-Nano Global COE - 2009 International Symposium on Micro-NanoMechatronics and Human Science. p. 170-175 6 p. 5351928. (20th Anniversary MHS 2009 and Micro-Nano Global COE - 2009 International Symposium on Micro-NanoMechatronics and Human Science).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical tweezers
Phospholipids
Rigidity
Surface tension
Membranes
18 Citations (Scopus)

Mechanical properties of a giant liposome studied using optical tweezers

Shitamichi, Y., Ichikawa, M. & Kimura, Y., Sep 17 2009, In : Chemical Physics Letters. 479, 4-6, p. 274-278 5 p.

Research output: Contribution to journalArticle

Optical tweezers
Liposomes
mechanical properties
Mechanical properties
curves
31 Citations (Scopus)

Microrheology of Soft matter

Kimura, Y., Apr 1 2009, In : journal of the physical society of japan. 78, 4, 041005.

Research output: Contribution to journalArticle

mechanical properties
viscoelasticity
rheology
microbalances
liquid crystals
2 Citations (Scopus)

Synchronization of two target patterns

Yoshida, Y. & Kimura, Y., Aug 1 2009, In : journal of the physical society of japan. 78, 8, 084801.

Research output: Contribution to journalArticle

synchronism
Landau-Ginzburg equations
oscillations
interactions
2008
26 Citations (Scopus)

Direct measurement of force between colloidal particles in a nematic liquid crystal

Takahashi, K., Ichikawa, M. & Kimura, Y., Feb 20 2008, In : Journal of Physics Condensed Matter. 20, 7, 075106.

Research output: Contribution to journalArticle

Nematic liquid crystals
liquid crystals
Defects
optics
dipoles
1 Citation (Scopus)

Extension and measurements on a phospholipid vesicle by use of dual-beam optical tweezers

Ichikawa, M., Shitamichi, Y. & Kimura, Y., Dec 1 2008, 2008 International Symposium on Micro-NanoMechatronics and Human Science, MHS 2008, with Symposium on "COE for Education and Research of Micro-Nano Mechatronics". p. 71-76 6 p. 4752425. (2008 International Symposium on Micro-NanoMechatronics and Human Science, MHS 2008).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical tweezers
Liposomes
Phospholipids
Membranes
Cell membranes
61 Citations (Scopus)

Force between colloidal particles in a nematic liquid crystal studied by optical tweezers

Takahashi, K., Ichikawa, M. & Kimura, Y., Feb 25 2008, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 77, 2, 020703.

Research output: Contribution to journalArticle

Optical Tweezers
Nematic Liquid Crystal
Defects
liquid crystals
defects
13 Citations (Scopus)

Self-assembly of polymer droplets in a nematic liquid crystal at phase separation

Kita, K., Ichikawa, M. & Kimura, Y., Apr 11 2008, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 77, 4, 041702.

Research output: Contribution to journalArticle

Self-assembly
Phase Separation
Nematic Liquid Crystal
Droplet
self assembly
7 Citations (Scopus)

Tilt control in optical tweezers

Ichikawa, M., Kubo, K., Yoshikawa, K. & Kimura, Y., Dec 1 2008, In : Journal of Biomedical Optics. 13, 1, 010503.

Research output: Contribution to journalArticle

Open Access
Optical tweezers
trapping
Lasers
Cells
bioengineering
2007

Direct measurement of interaction between colloidal particles in nematic liquid crystal

Takahashi, K., Fujiwara, Y., Ichikawa, M. & Kimura, Y., Jan 1 2007, In : Molecular Crystals and Liquid Crystals. 475, 1, p. 183-192 10 p.

Research output: Contribution to journalArticle

Nematic liquid crystals
liquid crystals
Defects
defects
interactions
20 Citations (Scopus)

Extension of a DNA molecule by local heating with a laser

Ichikawa, M., Ichikawa, H., Yoshikawa, K. & Kimura, Y., Oct 5 2007, In : Physical Review Letters. 99, 14, 148104.

Research output: Contribution to journalArticle

deoxyribonucleic acid
free convection
heating
lasers
molecules
4 Citations (Scopus)

Microrheology of a swollen lyotropic lamellar phase

Kimura, Y. & Mizuno, D., Jan 1 2007, In : Molecular Crystals and Liquid Crystals. 478, 1, p. 3-13 11 p.

Research output: Contribution to journalArticle

Optical tweezers
Lamellar structures
Nonionic surfactants
Relaxation processes
Microscopes
1 Citation (Scopus)

Nonlinear dielectric spectroscopy of MHPOBC

Tanaka, K., Ichikawa, M. & Kimura, Y., Jan 1 2007, In : Molecular Crystals and Liquid Crystals. 477, 1, p. 195-204 10 p.

Research output: Contribution to journalArticle

Liquid Crystals
Dielectric spectroscopy
Liquid crystals
Ferroelectric materials
liquid crystals
1 Citation (Scopus)

Nonlinear dielectric study of critical behavior near isotropic-nematic phase transition

Tsutsumi, K., Tanaka, K., Ichikawa, M. & Kimura, Y., Jan 2007, In : Molecular Crystals and Liquid Crystals. 477, 1, p. 77-85 9 p.

Research output: Contribution to journalArticle

Mean field theory
Relaxation time
Permittivity
Phase transitions
Electric fields

Single cell manipulation by using tilt controlled optical tweezers

Ichikawa, M., Kubol, K., Murata, S., Yoshikawa, K. & Kimura, Y., Dec 1 2007, 2007 International Symposium on Micro-NanoMechatronics and Human Science, MHS. p. 316-321 6 p. 4420873. (2007 International Symposium on Micro-NanoMechatronics and Human Science, MHS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical tweezers
Laser beams
Mirrors
Silica
Cells
2006

Dynamic study of micro-domains on a phospholipid bilayer membrane

Ichikawa, M., Shitamichi, Y., Tashiro, H. & Kimura, Y., Dec 1 2006, 2006 IEEE International Symposium on Micro-Nano Mechanical and Human Science, MHS. 4110409. (2006 IEEE International Symposium on Micro-Nano Mechanical and Human Science, MHS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Brownian movement
Phospholipids
Phase separation
Distribution functions
Membranes