(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.
Ingest
Definition:
(v. t.) To take into, or as into, the stomach or alimentary canal.
Example Sentences:
(1) 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.
(2) Concentrations of several gastrointestinal hormonal peptides were measured in lymph from the cisterna chyli and in arterial plasma; in healthy, conscious pigs during ingestion of a meal.
(3) Thus, a dietary 'no observable effect level' for subchronic ingestion of C. obtusifolia seed in rats was less than 0.15%.
(4) The measurement of the intestinal metabolism of the nitrogen moiety of glutamic acid has been investigated by oral ingestion of l-[15N]glutamic acid and sampling of arterialized blood.
(5) In vivo studies were performed in five healthy subjects for at least 3 h after ingestion of radiolabeled meals.
(6) We investigated the possible contribution made by oropharyngeal microfloral fermentation of ingested carbohydrate to the generation of the early, transient exhaled breath hydrogen rise seen after carbohydrate ingestion.
(7) (2) The treated animals ingested less liquid and solid food than controls.
(8) The different hydrolytic, fermentative and methanogenic activities of these populations ensure the efficient degradation of cell wall constituent in forages (cellulose, hemicellulose, pectin) ingested by ruminants.
(9) Potassium supplementation lowers blood pressure in hypertensive patients ingesting normal amounts of sodium.
(10) The onset of the symptoms usually occurs within a few minutes after ingestion of the implicated food, and the duration of symptoms ranges from a few hours to 24 h. Antihistamines can be used effectively to treat this intoxication.
(11) The interaction between PE and E-IgG involved the extension of micropseudopods toward adherent E-IgG, the formation of a linear uniform cap of roughly 200 A between opposing cell membranes, the ingestion of E-IgG by PE into a membrane-lined compartment, and the disintegration of the ingested ligand into membranous debris.
(12) CNS excitation and seizures, manifestations of organochlorine intoxication, can occur following ingestion or inappropriate application of the 1 per cent topical formulation of lindane used to treat scabies and lice.
(13) More than half of them concerned children who ingested pesticides.
(14) Toxicity has been reported in the fetus of a woman ingesting a huge overdose of digitoxin; the same result would be anticipated with digoxin poisoning.
(15) Throughout the 7 to 42 weeks of alcohol ingestion the alcohol-treated hamsters had a significantly higher end-diastolic pressure as compared with control animals.
(16) Nontypable H. influenzae was ingested after opsonization with much less pooled human serum than was H. influenzae type b, and uptake of encapsulated S. pneumoniae was not enhanced by as much as 80% pooled human serum.
(17) A group of 36 young adult male wistar rats was fed a protein-free diet ad libitum for five weeks; a second group of 36 wistar rats ingested a purified isocaloric 12,5% casein diet for the same period.
(18) Work over the past 17 years has consistently failed to reveal any objective sign accompanying the transient sensations that some individuals experience after the experimental ingestion of monosodium glutamate and it is questionable whether the term 'Chinese Restaurant Syndrome' has any validity.
(19) Chronic ingestion of alcohol is associated with a diminished marrow granulocyte reserve and may lead to neutrocytopenia.
(20) The hyponatremia common in decompensated cirrhotics is caused by an impairment of renal free water clearance and concomitant water ingestion.