(1) The high transition enthalpy for kerasin is ascribed to a lesser accommodation of gauche conformers in the hydrocarbon chains just below the transition temperature.
(2) Aryl hydrocarbon hydroxylase (AHH) inducibility, carbon monoxide in expired air (CO), serum gammaglutamyl-transferase (GGT), and total cholesterol were compared in equal-sized, age-matched samples of healthy middle-aged males born in 1921, 1934-1936, and 1946 attending the ongoing preventive medical population program in Malmö.
(3) The length of the hydrocarbon chains of the surface-modified silica supports had no significant influence on the selectivity.
(4) The specificity of binding to microsomal proteins of metabolically activated hydrocarbons has been studied.
(5) Aryl hydrocarbon (benzo(a)pyrene) hydroxylase is present and inducible in Buffalo rat liver cells in culture.
(6) The possible occupational cause of the disease, as more solvents in the mud have the structure of aromatic hydrocarbons is discussed.
(7) Experiments with a series of adsorbents homologous with CPAD-Sepharose, in which the length of the hydrocarbon chain was varied, provided strong evidence of hydrophobic interactions, in addition to ionic interactions, in the binding of these proteins to CPAD-Sepharose.
(8) In the hydrocarbon promotion study, dose related increases were observed in the incidence of ACF in male rats promoted with UG or 50 ppm TMP for 24 or 60 weeks.
(9) The results also demonstrated that there was not any apparent correlation between the receptor-binding avidities and in vitro monooxygenase enzyme-induction potencies for the most active polynuclear aromatic hydrocarbons.
(10) Both main-stream and side-stream cigarette smoke condensates and some fractions, containing water-soluble bases, water-insoluble bases, and polycyclic aromatic hydrocarbons, were found to induce AHH activity in lung and liver, the lung being induced to the greatest extent.
(11) Pancreas transplantation offers the possibility of preventing the development and progression of diabetic lesions by adequate control of hydrocarbon metabolism.
(12) A comparison of the relative cytosolic Ah (9S) receptor binding affinities and aryl hydrocarbon hydroxylase (AHH) induction potencies of these hydrocarbons with their 4S protein binding affinities demonstrated the following: five compounds, namely 1,2,5,6-dibenz[a]-anthracene, 1,2,3,4-dibenz[a]anthracene, picene, benzo[a]pyrene and 3-methylcholanthrene exhibited high to moderate binding affinities for the 4S and 9S cytosolic proteins (EC50 values less than 10(-6) M) and induced AHH in rat hepatoma cells; three compounds, namely perylene, benzo[e]pyrene and benzo[g,h,i]perylene exhibited high affinities for the 4S binding protein (1.25 X 10(-7), 4.4 X 10(-8) and 2.9 X 10(-8) M, respectively) and low affinities (EC50 values greater than 10(-5) M) for the Ah receptor protein; moreover these three compounds did not induce AHH in rat hepatoma H-4-II E cells in culture.
(13) It was found that HBSAg was strongly bound to straight hydrocarbon chains with more than seven carbon atoms.
(14) The parent hydrocarbons and the related K-region dihydrodiols induced some sister-chromatid exchanges but they were considerably less active than these two non-K-region diols.
(15) The effect of various fuel additives on the ability of platinum-palladium catalytic converters to remove the carbon monoxide and hydrocarbon components of automotive exhaust has been examined.
(16) Other chlorinated hydrocarbons as decachlorobiphenyl, pentachloronaphthalene, hexachloronaphthalene and hexachlorostyrene were identified, but not quantified.
(17) It has been estimated that natural oil seeps may also contribute as much as 10% of the hydrocarbons in the global marine environment.
(18) The metabolic fate of the carcinogenic aza-aromatic hydrocarbon 7-methyl[7-(14)C]benz[c]acridine (14C-7MBAC) was studied in hepatocytes freshly isolated from untreated, phenobarbital-pretreated and 3-methylcholanthrene-pretreated rats.
(19) Renal cytochrome P450, aryl hydrocarbon hydroxylase, 7-ethoxycoumarin-O-deethylase, and benzphetamine N-demethylase were increased after partial hepatectomy by 84%, 360%, 165% and 406%, respectively.
(20) Antioxidants devoid of hydrocarbon tails, are 10-20 fold more potent LPO inhibitors than the corresponding AOs with hydrocarbon tails.
Malachite
Definition:
(n.) Native hydrous carbonate of copper, usually occurring in green mammillary masses with concentric fibrous structure.
Example Sentences:
(1) Transition of the dye into the carbinol form is in water extremely slow, but is greatly accelerated in the presence of an organic phase, at least for malachite green and brilliant green, but not for crystal violet and pararosaniline.
(2) Tests of the wedge cuvette method with Evans Blue and Malachite Green serial dilutions as well as with haemoglobin solutions at several oxygen saturations demonstrate that accuracy of the order of 1% can be obtained.
(3) The arylmethane dye malachite green oxalate is used as an antimycotic and antiparasitic substance for treatment of fish diseases.
(4) All isolates were susceptible in vitro to vancomycin, mercury, silver, cadmium, and malachite green, and 95.2% of isolates were susceptible to cephalothin; a dominant biotype, four resistotypes (ion-dye resistance patterns), and four antibiotypes (antibiotic resistance patterns) were found.
(5) The therapeutical use of malachite green is not licensed by the German drug act.
(6) A so-called standard license will be prepared for malachite green as a drug for fishes.
(7) Mixtures of the monocationic triphenylmethane dyes, malachite green or crystal violet, with glutaraldehyde, retained and stained phospholipid droplets in chloroplasts of leaves of Lolium multiflorum Lam.
(8) Above pH 7.0 brilliant green (BG) and malachite green (MG) were precipitated as their respective carbinols and lost their inhibitory properties with these two organisms.
(9) Because aqueous solutions of sulfide at the levels mentioned have a relatively high pH, it was necessary to determine whether the pH or the presence of the sulfide ions had caused this positive reaction to the malachite green test.
(10) The malachite green and gentian violet dyes previously reported as trypanocidal agents were also tested for comparison.
(11) An improved procedure for phosphate determination based on a highly colored complex of phosphomolybdate and malachite green is described.
(12) Both malachite green and crystal violet inhibited the growth of contaminants without affecting the growth of M. haemophilum.
(13) The results of a series of experiments to investigate the use of the arylmethane dye, malachite green, for the control of proliferative kidney disease in rainbow trout (Salmo gairdneri Richardson) are described.
(14) This procedure, which leads to the formation of a malachite green-phosphomolybdate complex, may be used with many commonly studied enzymes, such as acid and alkaline phosphatases, nucleotidases, and ATPases.
(15) In oophorectomized animals, malachite green staining is seen only following estradiol injection, but this effect is blocked by progesterone.
(16) By trout and carp, malachite green is eliminated slowly.
(17) Other populations of lipid droplets exhibit differential affinity for malachite green, facilitating their division into subclasses.
(18) Incorporation of malachite green into a glutaraldehyde fixative results in enhanced staining of a number of cellular elements.
(19) Examination of aliquots of the cells, fixed at timed intervals, with glutaraldehyde, malachite green, and postosmication revealed that malachite green affinity material (MGA-M) was barely discernible at first but did accumulate considerably upon standing.
(20) A simple and sensitive colorimetric assay for protein phosphatase activity based on the determination of released Pi by an improved malachite green procedure (A.