نتایج جستجو برای: kinetics surface characteristics

تعداد نتایج: 1341310  

2016
John J. Sramek Michael F. Murphy Neal R. Cutler

Although a number of studies have observed that females respond better to serotonergic antidepressants than males and that postmenopausal females have a diminished response to antidepressants compared with younger females, there are also studies that conflict with both of these findings, making any generalizations regarding sex differences difficult to make. Sex variance in antidepressant effic...

2017
Jun-Ho Jo Seung-Soo Kim Jae-Wook Shim Ye-Eun Lee Yeong-Seok Yoo

Pyrolysis is an environmental friendly alternative method compared with incineration, and the least time-consuming and smallest infrastructure footprint method compared with bio-chemical and thermo-chemical conversion. Baseline data for the pyrolysis of food waste was obtained in a kinetic study of the thermal decompositions by thermogravimetric analysis. To simulate the difference in the types...

2011
Hui Zhao Huaxiao Yan Congwang Zhang Xiaodong Liu Yanhui Xue Yingyun Qiao Yuanyu Tian Song Qin

The pyrolytic kinetics of Phragmites australis was investigated using thermogravimetric analysis (TGA) method with linear temperature programming process under an inert atmosphere. Kinetic expressions for the degradation rate in devolatilization and combustion steps have been obtained for P. australis with Dollimore method. The values of apparent activation energy, the most probable mechanism f...

2003
S. Chuck

Retrovirus-mediated gene transfer is currently limited by random Brownian motion ofthe retrovirus. This limitation can be overcome by flowing the retrovirus solution through a porous membrane that supports the target cells, leading to a significant increase in the transduction efficiency. This procedure is termed "flow-through transduction." In this study, we characterized the effects of the fl...

Journal: :Biochemical Society transactions 1993
D L Vander Jagt

The mechanism that has been proposed for glyoxalase II [36] is summarized in Figure 3. It involves direct nucleophilic attack of an active-site histidine on the thiol ester substrate to form an acyl-imidazole intermediate which then rapidly hydrolyses. This is consistent with the known susceptibility of thiol esters to aminolysis and with the lability of acyl-imidazoles [47].

Journal: Nanomedicine Journal 2020
Aditya Nath Pandey Kuldeep Rajpoot, Sunil K. Jain K. Jain

Objective(s): Colorectal cancer (CRC) is a prevalent cancer worldwide. The present study aimed to synthesize and investigate the potential of wheat germ agglutinin (WGA) conjugated with polylactic-co-glycolic acid (PLGA) nanoparticles (NPs) incorporating 5-fluorouracil (5-FU). Materials and Methods: The NPs were investigated in terms of various characteristics, such as the particle size, ...

Fatemeh Tabandeh, Gholamreza Ahmadian, Mohammad Ali Amoozegar, Reza Zadmard, Vida Tafakori,

Background: Amongst the methods that remove heavy metals from environment, biosorption approaches have received increased attention because of their environmentally friendly and cost-effective feature, as well as their superior performances. Methods: In the present study, we investigated the ability of a surface-engineered Escherichia coli, carrying the cyanobacterial metallothionein on the cel...

Journal: :Biotechnology progress 1999
K Miyabe G Guiochon

The experimental results of a previous study of the mass transfer kinetics of bovine serum albumin (BSA) in ion-exchange chromatography under nonlinear conditions are reevaluated. The analysis of the concentration dependence of the lumped mass-transfer rate coefficient (k(m,L)) provides information on the kinetics of axial dispersion, fluid-to-particle mass transfer, intraparticle mass transfer...

Journal: :Journal of applied microbiology 2005
H Mamane-Gravetz K G Linden

AIMS The objective of the study was to compare ultraviolet (u.v.) inactivation kinetics of indigenous aerobic spores in surface water with their laboratory-cultured spore isolates and to investigate the relationship between physicochemical characteristics and u.v. inactivation kinetics of spore isolates. METHODS AND RESULTS Lake water samples were analysed for the presence of indigenous aerob...

Journal: :The American journal of occupational therapy : official publication of the American Occupational Therapy Association 1984
C M Smith S A Cermak D L Nelson

Reported in the statistics of the Southern California Graphesthesia Test are significant sex differences for certain young age groups, with females scoring higher than males. In contrast, another study has reported that adult males scored higher than females on the same test. The purpose of this study was to examine the interaction between sex and age and to investigate a possible explanation f...

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