(v. t.) Impure carbon prepared from vegetable or animal substances; esp., coal made by charring wood in a kiln, retort, etc., from which air is excluded. It is used for fuel and in various mechanical, artistic, and chemical processes.
(v. t.) Finely prepared charcoal in small sticks, used as a drawing implement.
Example Sentences:
(1) Charcoal particles coated with the lipid extract were prepared and the suspension inoculated intravenously into mice.
(2) This phenomenon may be overcome by utilizing more dextran-coated charcoal in the extraction.
(3) After treatment of the old rats blood serum with activated charcoal the steroid-binding transcortin capacity and its affinity to hormone was increased and the negative cooperativity was not observed.
(4) Adriamycin (ADM) was absorbed onto fine particles of activated charcoal.
(5) Hemoperfusion with coated activated charcoal (CAC) produces low removal rates due to the strong binding of bilirubin to albumin.
(6) The secretagogue activity was not extracted by charcoal, was sensitive to protease digestion and was present in a portion of nRTF with a molecular weight of greater than 10,000.
(7) Charcoal was added to the homogenization buffer in these experiments to prevent the artifactual activation of PKA by cAMP analogs trapped in the extracellular space.
(8) The quantitative and brain regional distribution of residual dexamethasone binding in cytosols pre-treated with dextran-coated charcoal (DCC) and 300 mM KCl was indistinguishable from that for tritiated aldosterone-Type I receptor complexes under the same conditions.
(9) An inexpensive, easy-to-use detector for measuring airborne 222Rn based on 222Rn diffusion and absorption in activated charcoal is presented.
(10) Polymethacrylate coated charcoal was inserted in the dialysis circuit before the dialyzer.
(11) The cytotoxicity of MS smoke was decreased with increasing smoke age (up to 8.7 s), smoke dilution, and the quantity of activated charcoal in filters.
(12) Early charcoal administration may be of value therefore in reducing the toxicity of mefenamic acid after deliberate or accidental overdosage.
(13) Also, cleanup by column chromatography on mixed adsorbents containing charcoal results in better recoveries than can be obtained on Florisil alone.
(14) OR counts in paraffin sections were compared with those of frozen sections and with cytosolic values determined by a dextran-coated charcoal method.
(15) We produce lung lacerations in 18 dogs ventilated with air containing charcoal powder.
(16) The other method uses a thermoluminescence dosemeter placed in the charcoal canister, giving an integrated value of the radon concentration.
(17) Because these contaminants have long column retention times in GLC, it may not be apparent that these contaminants are present and consequently are likely to have modified the sorbent characteristics of the activated charcoal.
(18) No changes in T3-charcoal uptake or serum T3 concentration occurred at any dose.
(19) Before and after treatment the following were recorded: subjective and objective nasal MCT time, using an original composition of vegetable charcoal powder and saccharin powder at 3%; nasal obstruction.
(20) Four methods for the detection of Trichomonas vaginalis in vaginal secretions from 88 symptomatic patients were compared: wet-mount examination, Kupferberg liquid medium, Hirsch charcoal agar, and the Papanicolaou smear.
Peat
Definition:
(n.) A small person; a pet; -- sometimes used contemptuously.
(n.) A substance of vegetable origin, consisting of roots and fibers, moss, etc., in various stages of decomposition, and found, as a kind of turf or bog, usually in low situations, where it is always more or less saturated with water. It is often dried and used for fuel.
Example Sentences:
(1) A hypothesis that the unexpected similarity of infection in the two strains was related to differences in rates of contact with the peat trays was not supported by preliminary data on mouse behaviour that revealed equal frequency of contact with peat trays between strains.
(2) By its calorific value the mycelial waste is equal to brown coal or peat.
(3) From the typed letters on Clarence House notepaper underlined in his own hand, to the clever blend of courteousness and implied threat used in his own correspondence and by his righthand man, Sir Michael Peat, the case has revealed in detail how the prince wields his power.
(4) Also missing from the negotiating text is any provision to protect and restore the world's peat soils, which account for 6% of all global C02 emissions.
(5) Corrected radiocarbon dates directly from bone and from peat matrix gave consistent ages in the range of 7,790 to 8,290 yr before present (BP).
(6) But Heathrow’s new sustainability plan suggests other ways to offset the leap in emissions, including by restoring British peat bogs.
(7) The new compounds phenylethanolaminotetralines (PEAT), unlike the reference beta-adrenoceptor agonists isoprenaline (Iso), ritodrine (Ri) and salbutamol (Sal), produced half-maximal inhibition of spontaneous motility of rat isolated proximal colon at substantially lower concentrations (EC50 2.7-30 nM) than those inducing beta 2-adrenoceptor-mediated responses (relaxation of guinea-pig isolated trachea and rat uterus) and had virtually no chronotropic action (EC50 greater than 3 x 10(5) M) on the guinea-pig isolated atrium (a beta 1-adrenoceptor-mediated response).
(8) In order to optimize cultivation of lipid synthesizing yeast on peat oxidates, the above compounds should be added in certain concentrations.
(9) In a rather strange piece of royal doublethink, Peat said this would not do, as it "would suggest the personal involvement of the prince".
(10) Others took hold when peat bogs dried for agricultural use self-ignited, burning underground.
(11) It was revealed that the peat extract causes a decrease in the production of the A1 spermatogonia, and as a result a decrease in the intensity of spermatogenesis.
(12) It was observed that radon baths had mainly an analgesic effect, peat or paraffin poultices as well as diadynamics were particularly useful in cases with increased tonus of paravertebral muscles.
(13) Concentrations of gamma-emitting natural radionuclides and 137Cs were analyzed in the size fractionated fly-ash emissions from a 100-MWt peat- and oil-fired power plant.
(14) It would have involved 181 huge turbines each requiring concrete bases 20 ft deep, roads and cables, and would have destroyed a swathe of this rare peat moorland.
(15) However, Peat said the trustees "honestly believe it would not have made any difference given the direction the BBC chose to go".
(16) At that time, Charles’s then private secretary, Sir Michael Peat, said it was his “duty to make sure the views of ordinary people that might not otherwise be heard receive some exposure”.
(17) The respirable fraction of peat dust recorded in the breathing zone of the workers correlated significantly with a decrease in forced expiratory volume in one second (FEV1).
(18) To study the levels and distributions of radionuclides released in the Chernobyl accident, we sampled surface peat from 62 sites in Southern and Central Finland and measured 131I, 134Cs, 137Cs, 132Te, 140Ba, 103Ru, 90Sr, 141Ce, and 95Zr.
(19) Losing forests in these areas could also affect leaders’ efforts to rein in greenhouse gas emissions to tackle climate change, the study said, because of the amount of carbon stored in trees and peat.
(20) "You can't replace peat with concrete, and ever hope to get away with it.