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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. S1 — Aug. 28, 2005
  • pp: S26–S27

Deformation and cleavage of microtubules studied with optical tweezers

Honglian Guo, Chunxiang Liu, Chunhua Xu, E Qu, Ming Yuan, Zhaolin Li, Bingying Cheng, and Daozhong Zhang  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue S1, pp. S26-S27 (2005)


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Abstract

The mechanical properties of fluorescent microtubules (MTs) are probed with dual-optical tweezers system. The results indicate that the fluorescent MTs are much easier to be extended compared with those without fluorescence. Such MT can be extended by 30% and force for breaking up it is only several piconewtons. Furthermore, we find that the breakup of the protofilaments is not simultaneous but step-by-step. Finally, the mechanism of the breaking is discussed.

© 2005 Chinese Optics Letters

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(140.7010) Lasers and laser optics : Laser trapping
(170.1420) Medical optics and biotechnology : Biology

Citation
Honglian Guo, Chunxiang Liu, Chunhua Xu, E Qu, Ming Yuan, Zhaolin Li, Bingying Cheng, and Daozhong Zhang, "Deformation and cleavage of microtubules studied with optical tweezers," Chin. Opt. Lett. 3, S26-S27 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-S1-S26

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