Activity aqueous

Copolymers of diallyl dimethyl ammonium chloride [7398-69-8] with acrylamide have been used in electroconductive coatings (155). Copolymers with acrylamide made in activated aqueous persulfate solution have flocculating activity increasing with molecular weight (156). DADM ammonium chloride can be grafted with cellulose from concentrated aqueous solution catalysis is by ammonium persulfate (157). Diallyl didodecylammonium bromide [96499-24-0] has been used for preparation of polymerized vesicles (158). 

Epoxidation systems based on molybdenum and tungsten catalysts have been extensively studied for more than 40 years. The typical catalysts - MoVI-oxo or WVI-oxo species - do, however, behave rather differently, depending on whether anionic or neutral complexes are employed. Whereas the anionic catalysts, especially the use of tungstates under phase-transfer conditions, are able to activate aqueous hydrogen peroxide efficiently for the formation of epoxides, neutral molybdenum or tungsten complexes do react with hydrogen peroxide, but better selectivities are often achieved with organic hydroperoxides (e.g., TBHP) as terminal oxidants [44, 45],... 

Antilipidemic activity. Triglycerides structured lipids from coconut oil, administered to rats at a dose of 10% of diet for 60 days, produced a 15% decrease in total cholesterol and a 23% decrease in LDL cholesterol levels in the serum compared to coconut oil-fed rats. Total and free cholesterol levels in the liver of structured lipid-fed rats were lowered by 31 and 36%, respectively. The triglycerides in the serum and liver were decreased by 14 and 30%, respectively " . Anti-nociceptive activity. Aqueous extract of the husk fiber, administered orally to mice at doses of 200 or 400 mg/kg, produced an inhibition of the acetic acid-induced writhing response . 

Antioxidant activity. Aqueous extract of the husk fiber, in cell culture, was active vs 2,2-diphenyl-1-picryl-hydrazyl-hydrate radicals . Juice, in cell culture, was active vs l,l-diphenyl-2-picrylhydrazyl, 2,2 -azino-bis(3-ethylbenz-thiazoline-6-sulfonic acid) and superoxide radicals but promoted the production of hydroxyl radicals and increased lipid peroxidation. The activity... 

Toxicity assessment. Ethanol extract of the leaf, administered intraperitoneally to mice, was active, LDjf, 0.75 g/kg"" " . Ethanol extract of the fresh leaf and stem, administered intraperitoneally to mice at the minimum toxic dose of 1 mL/animal, was active. Water extract of the fresh leaf and stem, administered intraperitoneally to mice at the minimum toxic dose of 1 mL/ animal, was active " . Aqueous extract of the husk fiber, administered orally to mice, was active, LDjf, 2.30 g/kgf" " . Tricarboxylate carrier influence. Oil, administered to rats at a dose of 15% of the diet for 3 weeks, produced a differential mitochondrial fatty acid composition and no appreciable change in phospholipids composition and cholesterol level. Compared with coconut oil-fed rats, the mitochondrial tricarboxylate carrier activity was markedly decreased in liver mitochondria from fish oil-fed rats. No difference in the Arrhenius plot between the two groups was observed "". 

Cyclo-oxygenase activity. Aqueous cigarette tar extracts, in rat pulmonary alveolar macrophages, increased cyclo-oxygenase activity threefold above the initial activity within 2 hours of incubation and gradually decreased below the initial activity after 8 hours of incubation. Accumulated levels of prostaglandin-2 increased dramatically after 12 hours of incubation . 

Antiviral activity. Aqueous low-speed supernatant and juice of the fresh seed, at a concentration of 10%, were active on virus-top necrosis in plants " ... 

AntivertigO effect. Powdered rhizome, administered orally to human adults at a dose of 1 g/person, was active vs seasickness ° k Rhizome, administered orally to adults of both sexes at a dose of 1 g/person, was inactive. The treatment was administered 2 hours before the subjects were rotated in a chair making head movement until a symptom short of vomiting was reached ° Antiviral activity. Aqueous low-speed supernatant of the rhizome, at a concentration of 1% and the rhizome juice, produced strong activity on virus-top necrosis h Decoction of the rhizome together with c at a concentration of 250 pg/mL, was active on HlV-1 and Rauscher murine leukemia viruses. Reverse transcriptase activity was inhibited . Water extract of the rhizome, in cell culture at a concentration of 10%, was inactive on herpes virus type 2, A2-... 

When a medicinal chemist discovers a new chemical entity (NCE) with a desired pharmacological effect, structure-activity relationships are used to optimize the series for biological activity. Aqueous... 

These highly activated aqueous ROMP catalysts can be applied to the polymerization of monomers hitherto reluctant to polymerize in aqueous solution. This can be illustrated with the following example. When either 7-oxanorbomene-2,3-dicarboxylic acid, 46, or its dipotassium salt, which posses both the 1,4-bridging epoxide and the dicarboxylate moieties, is allowed to react with a wide range of metathesis catalysts, only catalyst deactivation is observed, Eq. (48) [79]. 

Keywords Ruthenium Catalysis C-C formation C-H activation Aqueous... 

The molecule consists of a d-ribitol unit attached to an isoalloxazine ring (Figure 9-15). Anything more than a minor change in the molecule results in a loss of vitamin activity. Aqueous solutions of riboflavin are yellow with a yellowish-green fluorescence. The vitamin is a constituent of two coenzymes, flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD). FMN is... 

Injections may be aqueous solutions, oily solutions (because of poor aqueous solubility or the necessity for a prolongation of drug activity), aqueous suspensions or oily suspensions. They may be asepti-cally produced or terminally sterilized in their final containers. Those drugs that are unstable in solution may be presented as a freeze-dried (lyophilized) powder. The choice of final packaging should not determine the method of sterilization. 

Properties 40% active aqueous emulsion, stable to intense mechanical shear, freeze-thaw cycling. Compatible with other commercial latexes. 

This review examines the work carried out either in-house or via external research contracts by Solvay Interox into the area of heterogeneously activated aqueous hydrogen peroxide chemistry. The review is focused on the preparation and use of solid catalysts in the presence of H2O2 for the manufacture of fine chemical and pharmaceutical intermediates. 

Natural zeolites have played important roles as in clean-up from nuclear accidents. After the Three Mile Island incident, the SDS (Submerged Dcmineraliser System) made use of a 60/40 mixture by volume of IE-96 and LTA zeolite (A-51) from the then Union Carbide Corporation to immobilise 340,000 Ci of fission products from >1.5 million gallons of water [128], Phillipsite tuff, from Pine Valley Nevada, clinoptilolite, A-51, and IE-96 have all been used at pilot plant scale to deal with high salt, high activity, aqueous wastes at West Valley, New York- site of the PUREX plant used for reprocessing nuclear fuels from 1966 to 1972. 

Preliminary studies indicated that extracts from various species of the genus Amomum possessed different activities. Aqueous ethanolic extracts of the rhizomes of A. aromaticum and A. subulatum showed hypoglycemic activity [80]. Water extract of the fruits of A. compactum [81] and 4. xanthiodes [82] possessed anti-tumor activity. Ether extract of the fhiits of A. medium had anti-inflammatory action [83]. Fresh leaf essential oil of A. subulatum showed anti-fungal activity [84]. Methanolic extract of the... 

Recently, the group of Roucoux has investigated the stabilization of Ru(0) colloids with classical methylated cyclodextrins, which are modulated by the cavity and the substitution degree (SD) [61]. The catalyticaUy active aqueous suspension of metallic Ru(0) nanoparticles was prepared by chemical reduction of ruthenium chloride with sodium borohydride in dilute aqueous solutions of methylated cyclodextrins. The TEM observations show that the average particle size is about 1.5 nm with 70% of the nanoparticles between 1 and 2.5 nm (Fig. 11.6). 

Redox-Active Aqueous Electrolytes for Carbon Electrodes... 

One typical redox pair example is iodide/iodine, and Lota and Frackowiak [909] applied the iodide/iodine redox pair for redox-active aqueous electrolytes of carbon-based ESs. An extremely high capacitance value of 1840 F g- was obtained for the carbon positive electrode in 1 M KI electrolyte. The following reactions (Equations 2.12 through 2.15) occur in this electrolyte, contributing to the pseudocapacitance [909] ... 

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