(1) Of 15 organochlorine compounds analyzed, trace amounts mainly of p,p-DDE and polychlorinated biphenyls (PCBs) were detected, but could not be quantitated.
(2) Mutagenicity of MC was increased when homogenates from MC-treated hamsters were used as a source of activating enzymes, and this mutagenicity could be correlated with increased biphenyl 2-hydroxylase activity.
(3) We have investigated the metabolism of polychlorinated biphenyls and endogenous steroids by the major phenobarbital (PB)-inducible hepatic cytochromes P450 in dogs and rats, PBD-2 and PB-B, respectively.
(4) Studies of structure-transacylation relationships for a series of acylhydroxamic acids of chlorinated biphenyl ethers and their related compounds by rat liver N-arylacylhydroxamic acid-dependent N-acyltransferase (AHNAT) are described.
(5) There was an 84% decrease in the yield of microsomal protein, a 64% decrease in cytochrome P-450 content per mg of microsomal protein, and a 36% decrease in the biphenyl 4-hydroxylase specific activity in human cadaver liver that was a few hours old.
(6) Distribution of polychlorinated biphenyls (PCB) in sewage wastes at a municipal sewage treatment plant was studied, showing that the great bulk of PCBs entering such a treatment plant become adsorbed onto the grit chamber solids and the sludge that is passed from the anaerobic digesters.
(7) Certain metabolites of polychlorinated biphenyls (PCBs) are retained in the Clara cells and in the airway lumen of rodent lung due to their interaction with a secretory 13-kDa protein.
(8) The degradation of 3- and 4-HBs by these strains is therefore analogous to the metabolism of biphenyl, 2-HB, and naphthalene in the requirement for 2,3-catechol formation.
(9) They appear to be a dimer, trimer and tetramer in which tyrosine units are linked by biphenyl bonds.
(10) The influence of serum lipids and proteins on partitioning of individual polychlorinated biphenyl (PCB) congener peaks between human serum and adipose tissue lipid was assessed using regression analysis.
(11) Regions were ranked according to the mean concentration of 43 toxic substances (pesticides, polychlorinated biphenyls, semi-volatiles, and volatiles) in human adipose tissue and environmental media (sediment, fish tissue, and groundwater).
(12) Polychlorinated biphenyls are stable, lipophilic industrial compounds that are present in residue levels in human tissue, wildlife, and freshwater sediment.
(13) On the basis of a closeness criterion of 10 (deltaRI = RIa - RIb = 10), those combinations of three or fewer liquid phases which could distinguish between nearly all possible pairs of chlorinated biphenyls were selected.
(14) The toxic effects of the polychlorinated biphenyls upon plasma testosterone levels, the blood coagulation system, the gross- and micropathological changes as well as the extent and differences in their distribution and accumulation were studied.
(15) The efficacy of sulfuric acid cleanup and KOH-ethanol hydrolysis confirmation was studied for 22 organochlorine pesticides and 2 polychlorinated biphenyls (PCBs).
(16) A comparison is made of supercritical fluid extraction (SFE) with two other techniques widely used for the extraction of polychlorinated biphenyls (PCBs) and organochlorine pesticides in soil.
(17) Contamination by industrial chemicals such as polychlorinated biphenyls and polybrominated biphenyls; heavy metals such as lead, cadmium, and mercury; and pesticides such as dieldrin and chlordane exemplify the problem in feeds and the resulting problem of tissue residues in human foods.
(18) The effect of polychlorinated biphenyls, gamma-hexachlorocyclohexane and the effect of a combination of these substances on the regulation of 3-hydroxy-3-methylglutaryl coenzyme A reductase were investigated.
(19) Experimental studies have demonstrated that certain types of commercially produced polychlorinated biphenyls (PCBs) are carcinogenic.
(20) The livers, lungs, and small intestines of untreated rabbits and the livers of control rats were stored intact, or as microsomal suspensions, under liquid nitrogen at -196 degrees C. Aniline hydroxylase, aminopyrine demethylase, benzpyrene hydroxylase, biphenyl hydroxylase, NADPH-cytochrome c reductase, UDP-glucuronyltransferase activities, the microsomal content of cytochrome P-450, and the aniline- and benzphetamine-induced spectral changes were compared in fresh and stored preparations.
Solid
Definition:
(a.) Having the constituent parts so compact, or so firmly adhering, as to resist the impression or penetration of other bodies; having a fixed form; hard; firm; compact; -- opposed to fluid and liquid or to plastic, like clay, or to incompact, like sand.
(a.) Not hollow; full of matter; as, a solid globe or cone, as distinguished from a hollow one; not spongy; dense; hence, sometimes, heavy.
(a.) Having all the geometrical dimensions; cubic; as, a solid foot contains 1,728 solid inches.
(a.) Firm; compact; strong; stable; unyielding; as, a solid pier; a solid pile; a solid wall.
(a.) Applied to a compound word whose parts are closely united and form an unbroken word; -- opposed to hyphened.
(a.) Fig.: Worthy of credit, trust, or esteem; substantial, as opposed to frivolous or fallacious; weighty; firm; strong; valid; just; genuine.
(a.) Sound; not weakly; as, a solid constitution of body.
(a.) Of a fleshy, uniform, undivided substance, as a bulb or root; not spongy or hollow within, as a stem.
(a.) Impenetrable; resisting or excluding any other material particle or atom from any given portion of space; -- applied to the supposed ultimate particles of matter.
(a.) Not having the lines separated by leads; not open.
(a.) United; without division; unanimous; as, the delegation is solid for a candidate.
(n.) A substance that is held in a fixed form by cohesion among its particles; a substance not fluid.
(n.) A magnitude which has length, breadth, and thickness; a part of space bounded on all sides.
Example Sentences:
(1) An association of cyclophosphamide, fluorouracil and methotrexate already employed with success against solid tumours in other sites was used in the treatment of 62 patients with advanced tumours of the head and neck.
(2) The sensitivity of 75 non-CNS solid tumors to mismatched dsRNA was compared to the high-grade astrocytomas in the HTCA.
(3) (2) The treated animals ingested less liquid and solid food than controls.
(4) The peptides, which were synthesized using a FMOC solid phase procedure and purified by HPLC, consisted of residues 6-25 from the putative aqueous domain, residues 22-35, which overlaps the putative aqueous and transmembrane domains, and residues 1-38 and 1-40 representing nearly the full length of beta-AP.
(5) We describe an enzymatic fluorometric method for determining glucose concentrations in blood samples by analysis on a semi-solid surface (silicone-rubber pads).
(6) Of all solid tumors only nine occurred in relapse-free patients.
(7) It also showed weak inhibition of the solid type of Ehrlich carcinoma and prolonged the survival period of mice inoculated with L-1210 cells.
(8) Hybridomas were selected on the basis of solid-phase reactivity with the purified native A transferase, cell immunofluorescence and immunoprecipitation of transferase activity, and absence of reactivity with blood group ABH carbohydrate determinants.
(9) The principle of the liquid and solid two-phase radioimmunoassay and its application to measuring the concentrations of triiodothyronine and thyroxine of human serum in a single sample at the same time are described in this paper.
(10) Recently the presence of a coating inhibitory factor was described in human tears which can prevent the binding of proteins to a solid phase.
(11) We therefore conclude that the protective effect displayed by solid grafts might be a local process dependent on the release of diffusible trophic agents.
(12) As a strategy to reach hungry schoolchildren, and increase domestic food production, household incomes and food security in deprived communities, the GSFP has become a very popular programme with the Ghanaian public, and enjoys solid commitment from the government.
(13) The 68-kDa protein of B. bronchiseptica appeared to be the major protective antigen in B. bronchiseptica infection; however, isolated protein alone did not induce such a solid protection, as observed in a previous study after the application of an effective whole cell vaccine.
(14) The median age of patients with bacteremia of unknown origin was 65 years, and their most common underlying disorders were solid malignancy (28% of patients) and diabetes mellitus (18%).
(15) The free energy of activation showed a high negative correlation (r = -0.904, r2 = 0.817) with the percentage of virus adsorption to the solids tested.
(16) It was found that the use of a pH 9.6 buffer during the coating of ELISA plates led to the dissociation of virions into subunits which bound preferentially to the solid phase.
(17) You can tell them that Deutsche Bank remains absolutely rock solid, given our strong capital and risk position.
(18) A solid-phase microtiter assay was developed to investigate the binding properties of the vitronectin receptor.