نتایج جستجو برای: column removal analysis
تعداد نتایج: 2997832 فیلتر نتایج به سال:
UNLABELLED Neocortical circuits can be altered by sensory and motor experience, with experimental evidence supporting both anatomical and electrophysiological changes in synaptic properties. Previous studies have focused on changes in specific neurons or pathways-for example, the thalamocortical circuitry, layer 4-3 (L4-L3) synapses, or in the apical dendrites of L5 neurons- but a broad-scale a...
A specific, sensitive and easily performed method for the determination of gangliosides in tissue was developed. After removal of water-soluble compounds, total lipids were extracted from tissue and then treated with 2,4-dinitrophenylhydrazine hydrochloride and dicyclohexylcarbodi-imide in dimethylformamide at 0 degrees C to form ganglioside hydrazides. After removal of excess reagents by colum...
OBJECTIVES This study examined the efficacy of a novel system to remove contrast from the coronary sinus (CS) using an adsorbing column during coronary angiography. BACKGROUND Contrast-induced nephropathy (CIN) has become a serious problem for patients with pre-existing renal insufficiency undergoing percutaneous coronary intervention (PCI). METHODS Eight swine were studied to evaluate the ...
Biosorption is becoming a promising alternative to replace or supplement the present dye removal processes from dye wastewaters. Based on the results of batch studies on biosorption of the dyes on powdered fungal biomass, Aspergillus niger, an immobilised fungal biomass was used in column studies for removal of four dyes, Acid Blue 29, Basic Blue 9, Congo Red and Disperse Red 1 from aqueous sol...
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