DYNAMICS OF POLYSTYRENE MICROSPHERE LINKING TO λ-PHAGE DNA MOLECULE IN OPTICAL TWEEZERS USING PULSED GAUSSIAN LASER BEAM
Journal Title: JOURNAL OF ADVANCES IN BIOLOGY - Year 2016, Vol 9, Issue 2
Abstract
The trapping process of the biological micro-particle in the tweezers using CW laser beam has been investigated in series of our works. In the CW regime, the dynamics of polystyrene microsphere linking to λ-phage DNA molecule depending on the optical force, Brown force and its elastic force are simulated and discussed. In this paper we present the finite difference Langevin equation (FDLE) describing the dynamics of trapped bead linking to DNA molecules in an optical tweezers. Using FDLE the dynamics, i.e., the position-time characteristics of polystyrene microsphere linking to λ-phage DNA molecule are simulated in the pulse regime. The obtained results show that all principle parameters as the peak intensity, beam waist radius, and duration of pulsed Gaussian laser beam, well as the setting-up position of DNA molecule influence on the dynamics, especially on the pulling and aœstability times of trapped bead. The conditions for λ -phage DNA molecule in stretching state are discussed for experimence.
Authors and Affiliations
Thai Dinh Trung
Craniocervical necrotizing fasciitis with hepatitis and diabetes mellitus
Craniocervical necrotizing fasciitis is an uncommon but aggressive infection with high mortality. The aim of this article is to review a case of severe and extensive craniocervical necrotizing fasciitis (CCNF) worsened b...
Structural DNA Nanotechnology: From Design to Applications
Structural DNA Nanotechnology applies modified DNA strands to come up with various shapes and order of arrangements of DNA molecules as desired. This DNA specimen is produced by exchange of DNA backbones in a reciprocal...
PRODUCING SPECIALLY DESIGNED DENTURES IN PATIENTS WITH CONDITIONS OF OCCLUSAL PARAFUNCTIONS
The occlusal parafunctions do not belong to the group of physiological functions such as speech, breathing, chewing and swallowing. The parafunction associated with clenching of the teeth is known as bruxism. In this sta...
The Effect of Electroacupuncture on the Expression of p53 mRNA in Newborn Rats following Hypoxic-ischemic Encephalopathy
Aim: To explore the neuroprotective effects of electroacupuncture on the expression of p53 in newborn rats following hypoxic-ischemic encephalopathy (HIE).Method: The hypoxic-ischemic models were made in new-born SD rats...
Effects of radiation leakage of microwave oven on male Swiss albino mice
Continuous microwave radiation leakage from microwave oven may be harmful for users who have high exposure to them. The aim of this work was to assess the effects of microwave leakage on blood, liver, kidney and testis o...