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السجلات المعروضة 31 -- 40 من 96
Serum And Tissue Enzymes And Trace Elements In Hamsters With Schistosomiasis Mansoni And/Or Protein Energy Malnutrition
(
Qatar University
, 1996 , Article)
Schistosomiasis is mostly widespread in communities suffering from protein energy malnutrition. The development of an animal model for each condition is required for better understanding of changes in certain biochemical ...
Some Adsorption Characteristics of Sodium decyl and dodecyl Sulphates on the surface of Emulsifier-free Polymer Latex Particles
(
Qatar University
, 1997 , Article)
The adsorption characteristics of sodium decyl and dodecyl sulphates on polystyrene latex particles have been investigated.
The study involves the addition of known amounts of the surfactant to an emulsifier-free latex, ...
Transmetalation Mechanisms
(
Qatar University
, 1993 , Article)
Transmetalation is the stoichiometric replacement of the metals in a polymetallic target T with different metals from reagents called transmetalators, TM. Transmetalation at useful rates under mild conditions is an excellent ...
Biochemical Characterization Of Human Schistosomes And Their Molluscan Hosts By Electrophoretic Techniques
(
Qatar University
, 1994 , Article)
The recent application of biochemical techniques in taxonomy markedly improved the specific identification and strain characterization of a wide range of living organisms. These techniques are gradually replacing classical ...
Trace Metals in Wastewater Ponds in Qatar
(
Qatar University
, 2002 , Article)
A one-year monitoring program was conducted to determine the extent of metal contamination in two wastewater ponds in Qatar. Abu-Hamour pond receives untreated domestic and industrial waste while Abu-NakhIa pond receives ...
Ecological and phytochemical studies on the "miswak", salvadora persica l.
(
Qatar University
, 1984 , Article)
The "Miswak", which is produced from the stolons and branches of Salvadora persica is used as a substitute for ordinary tooth brushes. The use of "Miswak" has been recommended by Islam. It is endowed by several characteristics ...
Preparation, Characterization and Structural Determination of some coordination compounds of quadridentae thiosemicarbazone
(
Qatar University
, 2004 , Article)
New transtion metal complexes of Co", Ni" and Cu" with benzil bis 4-(p-Chlorophenyl-thiosemicarbazone) and benzil bis 4-(p-Bromophenyl-thiosemicarbazone) were synthesized. Attempts were made to ascertain their probable ...
Biochemical studies on the blood and tissue components of the common Egyptian toad bufo regularis
(
Qatar University
, 1995 , Article)
The effect of insulin and/or cortisone on the blood, serum and tissue levels of glucose, glycogen, pyruvic acid, lactic acid cholinesterase, alkaline phosphatase, aspartate amino transferase (AST), alanine amino-transferase ...
Application of Stripping Voltammetry for the Determination of Cadmium, Lead, Copper and Zinc in Yemani soils and Vegetables
(
Qatar University
, 2004 , Article)
Heavy metals contents in the solutions from acid digestion of Yemeni soils and vegetables were deter¬mined by differential pulsed anodic stripping voltammetry. The geometric mean for Cd, Pb, Cu and Zn concentrations for ...
Analytical Studies Of Some Controlled And Noncontrolled Drugs Of Abuse (II)
(
Qatar University
, 1993 , Article)
Benzodiazepines, barbiturates, amphetamines and some other non-controlled drugs were identified by GLC and HPLC then confirmed by GC-MS techniques. Comparative studies and discussions on the results obtained by GLC and ...