نتایج جستجو برای: aqueous alcohol
تعداد نتایج: 199115 فیلتر نتایج به سال:
A novel thin-film composite (TFC) reverse osmosis (RO) membrane was developed by the interfacial polymerization (IP) of trimesoyl chloride (TMC) and m-phenylene diamine (MPD) on the hollow fibre ultrafiltration polysulphone (PS) membrane. The performance of the TFC membrane was optimized by studying the preparation parameters, which included monomer TMC concentration, monomer MPD concentration ...
Antigens were prepared from the culture filtrates of tubercle bacilli and by extraction of washed and dried organisms with organic and aqueous solvents and from tissues of organs showing tuberculous lesions. A comparison of these preparations by means of the complement fixation test showed that the aqueous extracts were most active antigenically. The antigenic activity of the aqueous preparatio...
A sense of humor is widely viewed as beneficial for physical health. However, some limited research suggests that humor may actually be related to increased smoking and alcohol consumption because humorous individuals may take a less serious attitude toward substance use. The purpose of the present study was to explore this hypothesis in greater detail in a sample of 215 undergraduate students....
A new method to tailor liposome size and size distribution in a microfluidic format is presented. Liposomes are spherical structures formed from lipid bilayers that are from tens of nanometers to several micrometers in diameter. Liposome size and size distribution are tailored for a particular application and are inherently important for in vivo applications such as drug delivery and transfecti...
The oxidation-reduction potential of cozymase (diphosphopyridine nucleotide) was calculated from the free energies of formation of aqueous d-alanine and d-glutamic acid based on thermal data, and the equilibria measured by Wurmser and Filitti-Wurmser’ for pyruvate + 2H+ + 2(e) + alanine + HzO, by Cohen2 for a-ketoglutarate + alanine s d-glutamate and pyruvate, and by von Euler et aLa for the re...
Chronic alcohol ingestion is known to increase the generation of reactive oxygen species (ROS), thereby leading to liver damage. Antioxidant enzymes act individually or in combination to reduce or counter the effect of these ROS. Chronic administration of alcohol at (40% v/v, 1 ml/100 g), for 6 weeks showed a significant (p<0.05) elevated levels of alanine aminotransferase (ALT), aspartate amin...
Epidemiological studies have proven an association between consumption of polyphenols and prevention of Alzheimer's disease, the most common form of dementia characterized by extracellular deposition of amyloid beta plaques. The aim of this study is pharmacological screening of the aqueous alcohol extract of Markhamia platycalyx leaves, Schotia brachypetala leaves and stalks, and piceatannol co...
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