STRETCHING PROCESS OF PLASMID DNA MOLECULE IN OPTICAL TWEEZERS USING CW GAUSSIAN LASER BEAM
Journal Title: JOURNAL OF ADVANCES IN BIOLOGY - Year 2015, Vol 8, Issue 1
Abstract
The trapping dynamics of plasmid DNA molecule linking to polystyrene microsphere (trapped bead) in optical tweezers are investigated in the CW regime using the finite difference Langevin equation (FDLE). The obtained results show that, due to the extension of DNA moleucle, the stretching process characterizing by its pulling time, and stretched length depend on the peak intensity of laser beam and its initial position. The conditions to stretch plasmid DNA molecule in stretching state are discussed and the threshold value of energy of lase beam is found out and compared to that of λ-phage DNA moeucle
Authors and Affiliations
Quangquy Ho, Thai Dinh Trung, Mai Van Luu, Chu Van Lanh, Thai Doan Thanh, Ho Quang Quy
Keywords
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- EP ID EP654512
- DOI 10.24297/jab.v8i1.5312
- Views 183
- Downloads 0
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