Now showing items 361-370 of 400
The microwave spectrum and structure of allyl alcohol
(Elsevier, 1987-11-16)
The microwave spectrum of the normal species of the gauche, gauche isomer of allyl alcohol has been reassigned and rotational and centrifugal distortion constants have been determined. Rotational constants of nine deuterated ...
Impact of an extruded nucleotide on cleavage activity and dynamic catalytic core conformation of the hepatitis delta virus ribozyme
(Wiley Subscription Services, Inc., A Wiley Company, 2007-04-05)
The self-cleaving hepatitis delta virus (HDV) ribozyme is essential for the replication of HDV, a liver disease causing pathogen in humans. The catalytically critical nucleotide C75 of the ribozyme is buttressed by a trefoil ...
Hydrogen peroxide oxidation catalyzed by chloride-depleted thylakoid membranes
(Elsevier, 1988-11-16)
Chloride-depleted thylakoid membranes which are unable to catalyze the oxidation of water can nonetheless catalyze the oxidation of hydrogen peroxide (Kelly, P. and Izawa, S. (1978) Biochim. Biophys. Acta 502, 198-210). ...
Time resolved exciton migration in mixed naphthalene crystals: triplet and singlet critical concentrations
(Elsevier, 1979-06-15)
The contrasting temporal characteristics of the triple and singlet transport (below 4 K) correlate with dynamic and quasistatic percolation, respectively. They do not support an Anderson--Mott transition (AMT) for the ...
Amperometric Nitrosothiol Sensor Using Immobilized Organoditelluride Species as Selective Catalytic Layer
(WILEY-VCH Verlag, 2008-02)
A new amperometric sensor capable of responding to various biological S -nitrosothiol species (RSNOs) is described. The sensor is prepared using an organoditelluride-tethered poly(allyamine hydrochloride) (PAH) polymer ...
Continuous monitoring of gas-phase species at trace levels with electrochemical detectors : Part 1. Direct amperometric measurement of hydrogen peroxide and enzyme-based detection of alcohols and sulfur dioxide
(Elsevier, 1991-08-01)
A simple detection system suitable for the continuous measurement of atmospheric hydrogen peroxide in the parts per trillion (1012) volume (pptv) range is described. The proposed method involves the use of a flowing recipient ...
Calculations on the helium isoelectronic sequence using Coulomb Green's function variables
(Elsevier, 1984-02-24)
Calculations on the ground states of the helium isoelectronic series are carried out using variational wavefunctions of the form [psi] (x,y), in which x and y are the combinations r1 + r2 +/- r12 occurring in the Coulomb ...
Three-dimensional solubility parameters and chemical protective clothing permeation. I. Modeling the solubility of organic solvents in Viton® golves
(Wiley Subscription Services, Inc., A Wiley Company, 1993-10-15)
A model based on the polymer solution theory of Flory and Rehner is presented for estimating the solubility of organic solvents in chemical protective clothing (CPC) polymers using three-dimensional (3-D) solubility ...