for the study of the physiology of gastric mucus secretion, numerous agents have been investigated in this laboratory (9, 10, 11). Gentle massage, aqueous ether (saturated), 5 per cent aqueous clove oil emulsion, 50 per cent ethyl alcohol, dis tilled water, isotonic and hypertonic NaCl, and @ to 5 per cent aqueous eugenol emulsions were all found to induce desquamation of the surface epithelium...

This article introduced the work of ethylcellulose based polymeric microsphere loaded with nifedipine for reduction in frequency of administration with low solubility in aqueous medium and high rate of absorption in the stomach. The non-aqueous polymeric suspension was put dropwise into an aqueous medium containing polyvinyl alcohol as a surfactant for the synthesis of microsphere by solvent ev...

Two new o-hydroxycinnamates have been prepared for photoremovable protecting groups, and their photochemistry has been investigated. The photolysis of two caged compounds can efficiently release the corresponding alcohol in aqueous solutions, and the uncaging reaction proceeds with large one-photon excitation cross sections (1919 and 1535 M(-1) cm(-1)). The uncaging process has been observed by...

Although alcohols (including phenols such as tyrosine and the alcohol groups in serine, threonine, sterols and carbohydrates) are abundant in biomolecules, their chemical reactivity in aqueous solution is extremely low. Few reagents are selective for alcohols in aqueous solution, especially in the presence of more reactive nucleophiles such as thiols and amines. It is therefore difficult to sel...

In many reactions involving selenosulfonate or thiosulfonate, the sulfone group often leaves in form of benzenesulfinic acid sodium benzenesulfinate. A one-pot two-step reaction with isocyanides and allyl alcohol under aqueous conditions to afford selenocarbamates compounds is reported. The sulfinic as first-step side product converted compound by water promoted alcohol. Water acts both an oxyg...

Aqueous, light petroleum, chloroform, alcohol, benzene and acetone extracts of the leaves of Coccinia indica. (Family: Cucurbitaceae) were screened for antihepatotoxic activity. The extracts were given after the liver was damaged with Ccl4 Liver function was assessed based on liver to body weight ratio pentobarbitone sleep time, serum levels of transaminase (SGPT, SGOT), alkaline phosphatase (S...

Nine preparations of six antiseptic substances were applied to the perineum of pregnant women at term in order to assess their efficacy in sterilizing the skin. The efficacy, in descending order of effectiveness, after three minutes' exposure, was p-chlor-m-xylenol in alcohol (surgical Dettol); chlorhexidine gluconate in detergent (Hibiscrub), followed by the aqueous preparations p-chlor-m-xyle...

In Nigeria, tea infused with locally distilled gin is often sold as a tea-alcohol blend and consumed recreational beverage, which has been linked to substance abuse. The purpose of this research assess the effects solvents on phytochemical compositions tea-infused hot water infusion. A commercial was extracted well water. After drying, extracts were subjected HPLC fingerprinting analysis at UV ...

in india, a number of medicinal plants and their formulations are used to cure hepatic disorders in traditional systems of medicine. no systemic study has been done on protective effect of cucumis trigonus roxb. (cucurbitaceae) to treat hepatic diseases. protective action of c. trigonus fruit extracts was evaluated in this study in animal model of hepatotoxicity, which was induced by carbon tet...

polyvinyl butyral (pvb) was synthesized by condensation reaction of polyvinyl alcohol (pva) with butanal in aqueous medium containing an effective emulsifier and an inorganic acid as catalyst. the product was characterized by, ir, tg and dtg techniques. percentage of vinyl alcohol groups in the pvb was determined by a chemical method according to a standard method. some clear and soft film samp...