(a.) Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations.
(n.) A substance used for producing a chemical effect; a reagent.
Example Sentences:
(1) Brain and ganglia of embryonic Periplaneta americana were grown for 2 to 3 weeks in a chemically defined medium.
(2) Stimulation of human leukocytes with various chemical mediators such as TPA, f-Met-Leu-Phe, LTB4, etc.
(3) This suggested that the chemical effects produced by shock waves were either absent or attenuated in the cells, or were inherently less toxic than those of ionizing irradiation.
(4) At 36 h postsurgery, RBCs were examined by 23Na-NMR by using dysprosium tripolyphosphate as a chemical shift reagent.
(5) The absorption of ingested Pb is modified by its chemical and physical form, by interaction with dietary minerals and lipids and by the nutritional status of the individual.
(6) Changes in cardiac adenosine triphosphate (ATP), phosphocreatine (PCr) and inorganic phosphate (Pi) were followed and intracellular pH (pHi) was estimated from the chemical shift of Pi.
(7) Maximal aberration yields were observed for 2,4-diaminotoluene, 2,6-diaminotoluene and cytosine beta-D-arabinofuranoside from 17 to 21 h, eugenol from 15 to 21 h, cadmium sulfate from 15 to 24 h and 2-aminobiphenyl, from 17 to 24 h. For adriamycin at 1 microM, the % aberrant cells remained elevated throughout the period from 9 to 29 h, while small increases at 0.1 microM ADR were found only at 13 and at 25 h. For most chemicals the maximal aberration yield occurred at a different time for each concentration tested.
(8) 2.39pm BST The European Union called for a "thorough and immediate" investigation of the alleged chemical attack.
(9) "With hyperspectral imaging, you can tell the chemical content of a cake just by taking a photo of it.
(10) The deactivated columns had the residual silanols on the silica gel chemically inactivated to reduce the interaction with basic groups or analytes.
(11) A sperm whale myoglobin gene containing multiple unique restriction sites has been constructed in pUC 18 by sequential assembly of chemically synthesized oligonucleotide fragments.
(12) On the basis of obtained data on the uniformity of chemical compounds of the secretion of glands belonging to different groups their common origin has been suggested.
(13) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
(14) In contrast sham-hemodialysis in group CA and group PS, respectively, did not result in significant increases in amino acid efflux from the leg implying that the protein catabolic effect of blood membrane contact depends on the chemical properties of dialysis membranes.
(15) We investigated this suppression quantitatively, using a chemical assay for cell-bound and dissolved capsular polysaccharide.
(16) We previously established that the binding constant (Ka) of this receptor site for the chemically synthesized model AGE, 2-(2-furoyl)-4(5)-(2-furanyl)-1H- imidazole-butyric acid (FFI-BA), on cells of the mouse macrophagelike cell line RAW 264.7 is identical to that for AGE proteins.
(17) They included lectins such as wheat germ agglutinin (WGA), concanavalin A and phytohemagglutinin, and a chemical cross-linker, glutaraldehyde, in addition to anti-IL-2R monoclonal antibodies, HIEI and H-47.
(18) The reduction of such potentials can be explained in terms of collision between the antidromic volleys and those elicited orthodromically by chemical and thermic stimulation.
(19) In certain cases, the effects of these substances are enhanced, in others, they are inhibited by compounds that were isolated from natural sources or prepared by chemical synthesis.
(20) The use of gaseous insecticides in the chemical control of T. infestans is discussed.
Electrolysis
Definition:
(n.) The act or process of chemical decomposition, by the action of electricity; as, the electrolysis of silver or nickel for plating; the electrolysis of water.
Example Sentences:
(1) We found that electroepilation (electrolysis) helps control hirsutism, and 93% of the patients improved.
(2) A modified technique of epilation by electrolysis is reported.
(3) Two died of lung hemorrhage due to too fast electrolysis causing lung rupture but the other 4 survived when electrolysis was performed at a lower speed.
(4) In some rats the pineal stalk was lesioned either by electrolysis or by surgical means.
(5) The free radical scavengers, superoxide dismutase and a combination of tryptophan plus glycine, were effective in protecting the hearts from the effects of electrolysis.
(6) The radiosensitizing properties of electrolysis were tested in 55 rats with experimental tumors (Part II).
(7) b) Management of trichiasis: Electrolysis of misdirected lashes leads to contraction and renewed misdirection.
(8) Depending on the sample tested, the purity of the silver recovered by electrolysis varied from 78 to 89 percent.
(9) We measured the rats' placental blood flow by monitoring the clearance of hydrogen gas generated by electrolysis.
(10) This detachment was elicited by electrolysis of the stainless steel wire nearest to the thrombus-covered platinum coil.
(11) Complications of electrolysis and thermolysis and the pathophysiology of hair regrowth are presented.
(12) The most probable cause of the inhibition are reactive oxygen species such as superoxide and hydrogen peroxide, which are inevitably generated by electrolysis.
(13) Electrolysis potentials were selected as the oxidation peak potential of the ascorbic acid obtained by CV.
(14) Some industrial processes, such as the electrolysis of zinc solutions, anodic oxidation of aluminum, ore flotation, etc., result in the generation of gas microbubbles; the composition of their liquid envelope depends on, but is not identical to, the composition of the bulk of the liquid phase.
(15) Of the 20 different materials in a phone , only a small fraction are ever recuperated, even in the most sophisticated electronics recycling plants such as the huge smelting and electrolysis facility run by metals firm Umicore in Antwerp.
(16) Treatment includes removal or neutralization of any discrete source of serum androgens, normalization of altered steroid physiology, and cosmetic correction (electrolysis) of existing hair growth.
(17) In addition, the products generated by controlled-potential electrolysis were examined by ESR and NMR spectrometry.
(18) In addition, the endothelium was damaged by exposing vessels to free radicals generated by electrolysis of the buffer (4 Hz, 9 V, 1 ms, 5 min).
(19) Two schemes are discussed: treatment of the sewage in an electrolysis plant followed by its afterpurification either in a column with pyrolusite or during a joint process of electrochemical purification with catalyst location on the plant bottom under the electrodes.
(20) CP (0.25 microM) afforded 80 and 63% protection (n = 8, p less than 0.05), respectively, against the deleterious effects of electrolysis-induced OFR on left ventricular pressure and coronary flow.