Bio-Medical Optics

Optical Trapping and Manipulation in Molecular and Cellular Biology

This group focuses on the development and application of novel optical trapping and manipulation techniques to biological problems. Focus areas include the use of optical tweezers for molecular- and cellular-scale manipulation and the integration of optical manipulation with microfluidics.

     

Optical Trapping and Manipulation in Molecular and Cellular Biology (BT)

Optical trapping has been widely used to uncover fundamental aspects of molecular and cellular biology, including understanding the movement mechanisms of molecular motors and the forces involved in cell adhesion. This group focuses on the development and application of novel optical trapping and manipulation techniques to biological problems. Focus areas include the use of evanescent fields and state of the art optical tweezers for molecular- and cellular-scale manipulation, integration of optical manipulation with microfluidics and lab-on-a-chip technologies and optical sorting and optical methods for cell biology.

 

If you are a member of Optical Trapping and Manipulation in Molecular and Cellular Biology Technical Group and have ideas for activities and initiatives to help engage this community, please share them with the chair, Simon Hanna.

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NameAffiliationTitle
Simon Hanna University of BristolChair
Lynn Paterson Heriot-Watt UniversityCommittee Member
Peter John Reece University of New South WalesCommittee Member

Manipulating and Trapping Particles Using Near-Field Optics

When: 8 November 2022, 19:00 - 20:00 - Eastern Daylight Time (UTC - 04:00)

In our upcoming webinar, Síle Nic Chormaic will discuss some of the many applications of near-field optical traps that use optical waveguides or plasmonic nanostructures. Due to the very tight confinement of the light fields and the resulting very high field intensities that can be reached, trapping of sub-wavelength particles may be more readily achieved than for conventional optical tweezers using tightly focused light.

During the webinar, Síle will introduce two specific devices, optical nanofibers and metamaterial-assisted plasmonic nanotweezers, and illustrate how they trap and control particles from inhomogeneous Janus particles, through gold and dielectric micro- and nanoparticles, to atoms. The two devices are suitable for different types of particle manipulation experiments, which will be discussed. Finally, some perspectives on future applications will be presented, including current limitations due to thermal and fabrication considerations. 

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On-Demand Webinars

You can watch any of the following webinar presentations, which were hosted by the Optical Trapping and Manipulation in Molecular and Cellular Biology Technical Group, on demand.

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