What's the difference between cacodyl and combust?
Cacodyl
Definition:
(n.) Alkarsin; a colorless, poisonous, arsenical liquid, As2(CH3)4, spontaneously inflammable and possessing an intensely disagreeable odor. It is the type of a series of compounds analogous to the nitrogen compounds called hydrazines.
Example Sentences:
(1) The results indicate that in 10(-3) M sodium cacodylate the binding constant of BAD is 1.8 x 10(3) M-1.
(2) Protein aggregation is dependent on the concentration of background electrolyte since in the range 10-150 mM sodium cacodylate alternative stabilisation of dimeric and trimeric complexes was observed by both NMR and analytical ultracentrifugation.
(3) Yeast cells were fixed for 20 min in cold 1% glutaraldehyde buffered with 50 mM TES buffer to pH 7.0 and then incubated for 80 min with 1.2 mM L-alanyl-L-proline-4-methoxy-2-naphthylamide (Ala-Pro-MNA) or Lys-Pro-MNA as cytochemical substrates plus 0.06% hexazonium p-rosaniline (HPR) buffered with 160 mM cacodylate to pH 7.0.
(4) The two-step method uses cationic cacodylate iron colloid which is substituted with Tween 20 at an OD460 nm = 0.5, followed by Perls' reaction with acid potassium ferrocyanide.
(5) It was noted that the microtubular structure, which could not be demonstrated even by alcian blue or cationic ferric hydroxide colloid stabilized with cacodylate (Fe-CaC), was clearly detected with anti-EMA.
(6) The melting of chromatin was followed in 5 mM sodium-cacodylate buffer (pH 7.0)+1.5-10(-4) M EDTA containing increasing concentrations of urea.
(7) 260, 7619-7627); and (ii) an alpha 2----3 sialyltransferase that was efficiently solubilized by 0.2% Triton X-100 and required divalent metal ions and 0.3% Triton CF-54 for optimal activity at pH 5.9 in cacodylate buffer.
(8) Utilizing morphometry of electron micrographs of nerves of rat fixed with different schedules of fixation it was concluded that: irrespective of the fixative, fixation at low temperature is associated with markedly low densities of microtubules (MT) of myelinated and of unmyelinated fibers; of the various fixatives tested 2% glutaraldehyde in 0.1 M cacodylate buffer without 0.025 M CaCl2 was associated with the highest density of MT of myelinated fibers and the addition of 0.025 M CaCl2 to a 2% glutaraldehyde fixative solution is associated with abnormally low densities of MT in myelinated and unmyelinated fibers.
(9) Tissues were washed in buffer, then stained in medium containing glucose, diaminobenzidine HCl, and dimethylsulfoxide in 0.1 M cacodylate buffer.
(10) The cacodylate molecule is decomposed to As(V) by heating with Mg(NO3)2.6H20; As(V) is then chemically reduced to As(III) and polarographed in 1M HCl supporting electrolyte.
(11) The midpoint was pCa 8.25 for the former protein and 6.80 for the latter protein in 0.1 M KCl, 50 mM Na-cacodylate-HCl (pH 7.0); and pCa 7.90 for the former protein and 6.70 for the latter protein in the presence of 3 mM MgCl2 in the same solvent system.
(12) In each transport mode, the intercellular spaces were measured after immersion in a series of fixatives in which the concentration of buffer (sodium cacodylate) was increased.
(13) We have found that when a buffer utilized for in vitro polymerization of microtubules, i.e., 1 mM guanosine triphosphate, 1 mM MgSO4, 2 mM ethylene glycol bis(beta-aminoethyl ether)-N, N'-tetraacetic acid 100 mM piperazine-N,N'-bis(2-ethanesulfonic acid), pH 6.9 polymerization mix, was used in the glutaraldehyde prefixation regimen instead of classical fixative buffers, i.e., isotonic cacodylate or phosphate buffer, the following features were observed in thin-sections of the cytoplasm of interphase HeLa cells: (a) a greater than 2-fold increase in total microtubule contour length, (b) a 2-fold increase in a number of microtubules greater than or equal to 1 mu long, (c) an enhanced association of microtubules with cytoplasmic organelles, and (d) an increased clustering of 100 A filaments located in a perinuclear region of the cell.
(14) The isolated, maximally vasodilated rat hindquarter preparation was used to determine how fixation of the vascular bed (glutaraldehyde, 2.5% in 0.05 M Na-cacodylate with dextran 40 g X 1-I) affected transcapillary filtration and diffusion events, as well as macromolecular transfer, measured as transport of water (CFC), of small solutes (PS) and of 125I-albumin.
(15) Tissue samples taken from the left auricular myocardium of four pig hearts at 0, 0.5, 1.5, 3.5, 6, 12 and 24 hours post mortem were fixed for 24 hours by immersion in 2.5 per cent cacodylate buffered glutaraldehyde (pH 7.4).
(16) At pH 7.2, 24 degrees C and in 5mM sodium cacodylate buffer solution, this binding increases the lifetime of the diol epoxide by a factor of nearly 3.
(17) While in pure water (cacodylate buffer pH 7.0, NaCl 0.1 M) they are respectively +388 and +265 mV, in 50% dimethylsulfoxide at 25 degrees C they decrease to +112 and +208 mV.
(18) Optimum pH was 6.8 in cacodylate buffer, and Km values were 2 microM for lactotriaosylceramide and 29 microM for UDP-galactose.
(19) Nine pesticides tested by the oral route (bufencarb, cacodylic acid, dialifor, deltamethrin, dicamba, diquat, quintozene, phoxim, pyrazon) and four tested by the dermal route (bufencarb, chlordimeform, dichlofenthion, leptophos) were more toxic to females than to males whereas famphur and 2,4,5-T (oral route) were less toxic to females.
(20) At the end of the time period, the cornea was flooded with 4% glutaraldehyde, buffered with cacodylate, pH 7.4, and kept moist until removed.
Combust
Definition:
(a.) Burnt; consumed.
(a.) So near the sun as to be obscured or eclipsed by his light, as the moon or planets when not more than eight degrees and a half from the sun.
Example Sentences:
(1) Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection.
(2) Glucose, osmotic pressure, packed cell volume, PFC by combustion and volatilization were also measured in blood samples.
(3) N-heterocyclic aromatics are environmentally important carcinogenic pollutants produced by incomplete combustion of organic material.
(4) A removable, stainless-steel tube is present around the heated area, and this particular configuration makes it possible to begin every combustion procedure from room temperature, and consequently, to achieve a complete evacuation of air from the line even for heat-labile samples.
(5) Combustion-product toxicity of perfluorinated polymers in small-scale tests varied markedly under various exposure conditions.
(6) Although few relationships among combustion parameters and emissions were uncovered, patterns of emissions were evident, suggesting commonality and relationships among the waste stream constituents and emissions.
(7) Biological studies have demonstrated that concentrated extract of tars from combustion of shale oil are carcingenic to the skin of mice.
(8) Some compounds derived from tobacco combustion can be induce a response of secretory immune system, because antigen penetration is by respiratory tract epithelium, with IgA antibodies synthesis and immune complex (IC) generation.
(9) Waste products from coal combustion have the highest potential risk among the fossil fuel alternatives.
(10) Bicyclic phosphorus esters (BCP) originating from the combustion of fire-retardant polyurethane foam containing phosphorus are highly toxic compounds and potent antagonists of GABA-ergic receptors.
(11) Firefighters are routinely exposed to a wide variety of combustion products.
(12) Combustion gas drying had no effect for the larger PAHs such as benzo(a)pyrene but caused mean increases of between 41% and 126% for fluoranthene, pyrene and chrysene.
(13) A wet combustion method for the carbon determination was developed.
(14) The design-specified operating temperature was 800 degrees C in the primary combustion chamber and 1000 degrees C in the secondary chamber.
(15) Fullerenes C60 and C70, generated by combustion, have been shown previously to be produced in controlled laminar flames accompanied by other compounds having fullerene-like characteristics.
(16) There is growing concern over the detrimental health effects to firefighters produced by exposure to combustion byproducts of burning materials.
(17) Residential wood combustion accounted for 75% of the exposure to particle associated organics, but only 20% of the estimated cancer risk.
(18) Evidence for the atmospheric formation of nitro-PAH has come only recently, from observations that 2-nitropyrene (2-NP) and 2-nitrofluoranthene (2-NF) neither of which has been reported to be emitted from combustion sources, are among the major nitro-PAH present in ambient air.
(19) The combustion gases of cotton, polypropylene, acrylic, flame retardant (F.R.)
(20) Products of incomplete combustion are identified as a major source of carcinogenic risk in urban areas, especially those from small non-industrial sources.