نتایج جستجو برای: membrane stability
تعداد نتایج: 680106 فیلتر نتایج به سال:
In the present study, the effect of alumina on the pore structure and hydrothermal stability of nanostructured silica was investigated. SiO2 and SiO2-15wt%Al2O3 membranes were prepared by dip coating on mesoporous γ-Al2O3 coated macroporous α-alumina support. The particle sizes of sol were increased by adding of alumina to silica...
Polysulfone was investigated as an alternative base-polymer for polymer inclusion membranes (PIM’s) that could withstand harsh environmental conditions and have good transport efficiency of metal ions. PIM’s were prepared using polysulfone as a base polymer and Aliquat 336 as a carrier in the absence of a plasticizer. Chromium (VI) was used as standard to study the extraction efficiency of the ...
Abstract The S362A mutation block ROMK2 (Kir1.1b) endocytosis in Xenopus laevis oocyte membrane . Saeed Hajihashemi1 , 1-Assistant professor, PhD in Physiology, Department of Physiology, School of Medical science, Arak University of Medical Sciences. Introduction: ROMK channel is localized on the apical membrane of the nephron. Recent studies suggest that endocytosis of ROMK chan...
acute effects of cadmium and copper on cytochemical responses in the polychaete hediste diversicolor
this study investigated the cytochemical responses in hediste diversicolor exposed to the environmental concentrations of cadmium (1µm cd), copper (1µm cu) and to their equimolar mixture for 48h. lysosomal membrane stability (lms), neutral lipids (nl) level, lipofuscin (lf) content and ca2+-atpase activity were determined as early subcellular biomarkers of toxicity. the biomarker battery pointe...
To investigate the effect of salinity stress on membrane stability index, membrane lipid peroxidation, catalase activity and protein content of Fenugreek (Trigonellafoenum) an experiment with five levels of short-term salinity stress (0, 50, 100, 150 and 200 mM) was carried out at the laboratory of agriculture faculty of Shahid Bahonar University of Kerman, Iran. The treatments were ar...
Safflower (Carthamus tinctoius L.) is an Iranian native crop that is adapted to different environmental conditions of this country. Sixteen safflower varieties/lines were spring-planted in 6 research stations including Sararood (Kermanshah), Maragheh, Ghamlo (Kordestan), Khodabandeh (Zanjan), Shirvan (North Khorasan)and Khohdasht (Lorestan) with and without drought stress conditions each in a R...
Safflower (Carthamus tinctoius L.) is an Iranian native crop that is adapted to different environmental conditions of this country. Sixteen safflower varieties/lines were spring-planted in 6 research stations including Sararood (Kermanshah), Maragheh, Ghamlo (Kordestan), Khodabandeh (Zanjan), Shirvan (North Khorasan)and Khohdasht (Lorestan) with and without drought stress conditions each in a R...
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