Now showing items 81-90 of 692
Fabrication of conductometric gas-sensing films by selected area chemical-vapor deposition
(American Institute of Chemical EngineersWiley Periodiocals, Inc., 1997)
A new selected-area chemical-vapor deposition (CVD) process to fabricate thin sensing films on a micromachined silicon-based, conductometric gas-sensor structure is reported. The CVD method is self-lithographic and does ...
An in vivo and in vitro trial of aclarubicin in metastatic breast cancer: a novel approach to the study of analogs
(Springer-Verlag, 1993-11)
Aclarubicin is an anthracycline antibiotic that differs from doxorubicin in its structure, mechanism of action, and preclinical toxicity profile, especially its reduced cardiotoxicity. We therefore conducted a side-by-side ...
Off-diagonal disorder model for exciton polaritons in layered media. Disorder-induced origin of radiative widths
(Elsevier, 1994-10-07)
Excitons in an infinite layered dipolar medium, such as a layered crystal or a multiple-quantum-well stack, with perfect periodicity exhibit a vanishing radiative width due to the requirement of energy-momentum conservation. ...
Reactions at supercritical conditions: Applications and fundamentals
(American Institute of Chemical EngineersWiley Periodiocals, Inc., 1995-07)
Supercritical fluids posses properties that make them attractive as media for chemical reactions. Conducting chemical reactions at supercritical conditions affords opportunities to manipulate the reaction environment ...
Cyclic siloxanes and silsesquioxanes as cores and frameworks for the construction of ferrocenyl dendrimers and polymers
(John Wiley & Sons, Ltd., 1999-04)
Starting from 1,3,5,7-tetramethylcyclotetrasiloxane as core, novel ferrocenyl silicon-containing dendrimers have been constructed up to the third generation, which contains 16 peripheral ferrocene moieties. As precursors ...
Thermodynamics of alkali alkanoates VII. Heat capacity and thermodynamic functions of potassium acetate from 4 to 585 K
(Elsevier, 1990-01)
The heat capacity of potassium acetate was measured by equilibrium adiabatic calorimetry from near 4 K up to 350 K and by d.s.c. from 325 K through melting (solid to isotropic liquid) to 585 K. No transition or anomaly was ...
A formal and enantioselective synthesis of (-)-serricornin, the sex pheromone of the cigarette beetle (lasioderma serricorne F.)
(Elsevier, 1994-04)
A synthesis of (-)-Serricornin is described. The (4S,5S)-4-methyl-5-ethyl [delta]-valerolactone 8 has been synthesized with a high degree of enantioselectivity starting from (R)-(+)-(E)-1-propenyl p-tolylsulfoxide 2, having ...
MOCVD of rhodium, palladium and platinum complexes on fluidized divided substrates: Novel process for one-step preparation of noble-metal catalysts
(John Wiley & Sons, Ltd., 1998-03)
A new one-step method, entitled fluidized-bed metal-organic chemical vapor deposition (FBMOCVD) of preparing highly dispersed metal-supported catalysts is reported. The following complexes were studied and used as CVD ...
Oxygen transport in biofilm electrodes for screening of toxic chemicals
(American Institute of Chemical EngineersWiley Periodiocals, Inc., 1990-01)
A biosensor electrode system with unique configuration and a thin layer of immobilized yeast cells, set on the surface of an amperometric oxygen membrane electrode, was developed for rapid screening of toxic chemicals in ...
Heteroaromatic polyamides from cyanoimidazoles
(John Wiley & Sons, Inc., 1992-06)
The synthesis of a new class of heteroaromatic polyamides based on cyanoimidazoles are described. The monomer, 2-amino-4-cyanoimidazole-5-carboxylic acid ( 3 ) is prepared from a two-step hydrolysis of 2-amino-4,5-dicyanoimidazole ...