Now showing items 241-250 of 259
Gas Sensing Characteristics of Ultrathin TiO 2− x Films Investigated with XPS, TPD and In Situ Resistance Measurements
(John Wiley & Sons, Ltd., 1997-02)
Ultrathin Pt/TiO 2− x sensing films are characterized to investigate the adsorption and reaction processes that cause resistance changes. The films are prepared by oxidizing films with a nominal thickness of 65 Å Pt ...
Extended disjoint principal-components regression analysis of SAW vapor sensor-array responses
(Elsevier, 1993-04-01)
The application of a disjoint principal-components regression method to the analysis of sensor-array response patterns is demonstrated using published data from ten polymer-coated surface-acoustic-wave (SAW) sensors exposed ...
Permeation of Buprenorphine and Its 3-Alkyl-Ester Prodrugs Through Human Skin
(Kluwer Academic Publishers-Plenum Publishers; Plenum Publishing Corporation ; Springer Science+Business Media, 1996-10)
Purpose . Homologous 3-alkyl-ester prodrugs (C 2 to C 4 ) of buprenorphine with decreased crystallinity have been synthesized and evaluated for transdermal delivery commensurate with opioid dependence treatment.
Streptavidin-biotinylated IgG conjugates: a simple procedure for reducing polymer formation
(Elsevier, 1992-04)
Disulfide links of the IgG2ak anti-ovarian carcinoma antibody, 5G6.4, were site-specifically biotinylated [[approximate]2 biotins/ IgG2a] using a novel crosslinking procedure using the biotin derivatized ETAC (equilibrium ...
Aniline hydrogenolysis on nickel: effects of surface hydrogen and surface structure
(Baltzer Science Publishers, Baarn/Kluwer Academic Publishers; J.C. Baltzer AG, Science Publishers ; Springer Science+Business Media, 1995-09)
Fluorescence yield near-edge spectroscopy (FYNES) above the carbon K edge and temperature programmed reaction spectroscopy (TPRS) have been used as the methods for characterizing the reactivity and structure of adsorbed ...
Progress in Practice: Teaching and Learning with Case Studies
(Springer-Verlag; Springer-Verlag New York, Inc., 1996-09)
Rotational spectrum, structure, and modeling of the HCCH–(OCS)2HCCH–(OCS)2 trimer: Observation of a polar OCS dimer fragment
(The American Institute of Physics, 1999-12-15)
The rotational spectra of eight isotopomers of the HCCH–(OCS)2HCCH–(OCS)2 trimer have been assigned by pulsed nozzle, Fourier-transform microwave spectroscopy. The rotational constants and dipole moment components are ...
Hierarchies of nonclassical reaction kinetics due to anisotropic confinements
(The American Institute of Physics, 1999-01-22)
In contrast to classical chemical reaction kinetics, for diffusion limited chemical reactions the anisotropy of the geometry has far reaching effects. We use tubular two and three-dimensional spaces to illustrate and discuss ...
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 ...
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 ...