Now showing items 41-50 of 73
Polarized Raman spectra of oriented films of Α-helical poly( L -alanine) and its N -deuterated analogue
(John Wiley & Sons, Ltd., 1998-01)
Polarized Raman spectra were obtained on well oriented films of Α-helical poly( L -alanine) (Α-PLA) and its N -deuterated analogue in order to obtain definitive assignments of the E 2 -species modes. Such assignments ...
Electromagnetic fields in biological studies
(Kluwer Academic Publishers; Pergamon Press Ltd. ; Springer Science+Business Media, 1985-11)
For biological or cellular experiments using electromagnetic fields, it is essential that the parameters defining the field be carefully specified if the results are to be meaningful and are to be compared with the same ...
A valence force field for the amide group
(Elsevier, 1971-01)
A valence force field is presented for the grouping R-CO-NH-R' where R and R' are CH2 or CH3, derived from the frequencies of N-methylacetanide, nylons, and some of the deuteroderivatives. By refining all experimental data ...
Studies on the localization of newly added membrane in growing neurites
(Wiley Subscription Services, Inc., A Wiley Company, 1981-11)
Explant culture of the adult goldfish retina results in vigorous neuritic growth, provided that the optic nerve has been previously crushed in vivo. The site of new membrane addition in these growing neurites was studied ...
Shift and broadening of the vibrational mode for a diatomic molecule adsorbed on a metal surface
(Elsevier, 1983-06-02)
The shift and broadening of the vibrational frequency of a diatomic molecule adsorbed on a metal surface are calculated on the basis of electromagnetic interactions. Finite molecular size and nonlocal metal response are ...
High resolution laser spectroscopy of relaxation and the excitation lineshape of excitons in GaAs quantum well structures
(Elsevier, 1990-04-01)
A new class of measurements on GaAs quantum well structures based on frequency domain nonlinear laser spectroscopy is described. Room temperature measurements of the excitation relaxation show an interference effect in the ...
Epitaxial growth and characterization of GaAs/Al/GaAs heterostructures
(Elsevier, 1990-04-01)
We report on transmission electron microscopy, secondary ion mass spectroscopy, X-ray and Raman scattering studies of GaAs/Al/GaAs heterostructures grown by migration enhanced epitaxy.
Search for cyclotron resonance in cells in vitro
(Wiley Subscription Services, Inc., A Wiley Company, 1989)
There are a number of reports of the plasma membrane transport of Ca 2+ in biological systems being enhanced by low frequency electromagnetic fields (EMF), including reports that the enhancement involves a resonance-type ...
Investigations of electron helicity in optically active molecules using polarized beams of electrons and positrons
(Kluwer Academic Publishers; D. Reidel Publishing Company ; Springer Science+Business Media, 1981-03)
An STM study of molecular-beam epitaxy growth of GaAs
(Elsevier, 1993-01-10)
Scanning tunneling microscopy has been used to investigate molecular-beam epitaxy growth of GaAs. By quenching the sample during deposition, we have imaged the GaAs(001) surface as it appeared during growth. Large scale ...