Red light of a helium-neon laser reactivates superoxide dismutase

1989 ◽  
Vol 107 (3) ◽  
pp. 328-331 ◽  
Author(s):  
E. A. Gorbatenkova ◽  
Yu. A. Vladimirov ◽  
N. V. Paramonov ◽  
O. A. Azizova
Keyword(s):  
Superoxide Dismutase ◽  
Red Light ◽  
Neon Laser ◽  
Helium Neon Laser ◽  
Helium Neon

Laser Diffractions in Lyotropic Liquid Crystal Formed by Liquid Dishiwash

2010 ◽  
Vol 663-665 ◽  
pp. 779-782
Author(s):  
Yuan Ming Huang ◽  
Wei Wei Liu
Keyword(s):  
Liquid Crystal ◽  
Optical Microscopy ◽  
Red Light ◽  
Lamellar Phase ◽  
Lyotropic Liquid Crystal ◽  
Isotropic Phase ◽  
Polarized Optical Microscopy ◽  
Neon Laser ◽  
Helium Neon Laser ◽  
Helium Neon

We demonstrated that a lamellar phase of lyotropic liquid crystal formed by liquid dishwash could assemble themselves into crystal droplets when their isotropic phase was slowly changed into lamellar phase on the glass substrate. Characterization by means of polarized optical microscopy showed that a pattern of liquid crystal droplets was developed in the thin films formed by liquid dishwash. Our laser light diffraction experiments confirmed that these liquid crystal droplets could effectively diffract the incident red light from a helium-neon laser. On the basis of the Fraunhofer diffraction equation, we derived for the diameter of liquid crystal droplets. The diameter of liquid crystal droplet is 42.517 m, and almost agreement with the graph of polarized optical microscopy.

STABILITY OF SYMMETRIC BILATERAL DC DISCHARGE IN A RING HELIUM-NEON LASER

2019 ◽  
Vol 69 ◽  
pp. 193-201
Author(s):  
M.V. Chirkin ◽  
◽  
S.V. Ustinov ◽  
V.Yu. Mishin ◽  
◽  
...  
Keyword(s):  
Neon Laser ◽  
Dc Discharge ◽  
Helium Neon Laser ◽  
Helium Neon

Low-Energy Helium-Neon Laser Irradiation Increases the Motility of Cultured Human Keratinocytes

1990 ◽  
Vol 94 (6) ◽  
pp. 822-826 ◽  
Author(s):  
Ann F. Haas ◽  
R. Rivkah Isseroff ◽  
Ronald G. Wheeland ◽  
Pamela A. Rood ◽  
Phillip J. Graves
Keyword(s):  
Laser Irradiation ◽  
Human Keratinocytes ◽  
Low Energy ◽  
Neon Laser ◽  
Helium Neon Laser ◽  
Helium Neon

Raman spectra and lattice dynamics of the α phases of nitrogen and carbon monoxide crystals

1970 ◽  
Vol 48 (19) ◽  
pp. 2265-2271 ◽  
Author(s):  
A. Anderson ◽  
T. S. Sun ◽  
M. C. A. Donkersloot
Keyword(s):  
Carbon Monoxide ◽  
Raman Spectra ◽  
Lattice Dynamics ◽  
Jones Potential ◽  
Lennard Jones ◽  
Neon Laser ◽  
Helium Neon Laser ◽  
First Time ◽  
Helium Neon ◽  
Argon Ion

The Raman spectra of polycrystalline α-nitrogen and α-carbon monoxide have been recorded at 18 °K, using argon–ion and helium–neon laser excitation. Previously undetected peaks at 60 cm−1 for N2 and 90.5 cm−1 for CO are assigned as librational modes, and splitting of the stretching mode in nitrogen is observed for the first time. Spectral features in both the intramolecular and lattice regions are assigned in accordance with accepted crystal structures, and their frequencies compared with those obtained from calculations based on a spherical Lennard–Jones potential and quadrupole–quadrupole interactions between the molecules.

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