(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.
Fusain
Definition:
(n.) Fine charcoal of willow wood, used as a drawing implement.
(n.) A drawing made with it. See Charcoal, n. 2, and Charcoal drawing, under Charcoal.