(a.) Containing a high percentage of silica; -- opposed to basic.
Example Sentences:
(1) The amino acid sequence deduced from the nucleotide sequence contained both amino- and carboxyl-terminal sequences.
(2) F(420) is photolabile aerobically in neutral and basic solutions, whereas the acid-stable chromophore is not photolabile under these conditions.
(3) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
(4) If ascorbic acid was omitted from the culture medium, the extensive new connective tissue matrix was not produced.
(5) The interaction of the antibody with both the bacterial and the tissue derived polysialic acids suggests that the conformational epitope critical for the interaction is formed by both classes of compounds.
(6) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
(7) An unsaturated fatty acid auxotroph of Escherichia coli was grown with a series of cis-octadecenoate isomers in which the location of the double bond varied from positions 3 to 17.
(8) The ability of azelastine to influence antigen-induced contractile responses (Schultz-Dale phenomenon) in isolated tracheal segments of the guinea-pig was investigated and compared with selected antiallergic drugs and inhibitors of arachidonic acid metabolism.
(9) After 4 to 6 hours of recirculation, accumulation of vasoactive amine, 5-hydroxytryptamine, its major metabolite, 5-hydroxyindole acetic acid, and its precursor amino acid, tryptophan were detected.
(10) Spectrophotometric determination of the sulfhydryl content in the animal tissue before (control) and after using 6,6'-Dithiodinicotinic acid is applied.
(11) This death is also dependent on the presence of chloride and is prevented with the non-selective EAA antagonist, kynurenic acid, but is not prevented by QA.
(12) However, four of ten young adult outer arm (relatively sun-exposed) and one of ten young adult inner arm (relatively sun-protected) fibroblasts lines increased their saturation density in response to retinoic acid.
(13) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
(14) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
(15) Estimations of the degree of incorporation of 14C from the radioactive labeled carbohydrate into the glycerol and fatty acid moieties were carried out.
(16) The second amino acid residue influences not only the rate of reaction but also the extent of formation of the product of the Amadori rearrangement, the ketoamine.
(17) Leumorphin is a 29-amino-acid peptide derived from preproenkephalin B. Intracerebroventricular (i.c.v.)
(18) Hepatic lymph flow increased only after ethacrynic acid and mannitol administration.
(19) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
(20) A phytochemical investigation of an ethanolic extract of the whole plant of Echites hirsuta (Apocynaceae) resulted in the isolation and identification of the flavonoids naringenin, aromadendrin (dihydrokaempferol), and kaempferol; the coumarin fraxetin; the triterpene ursolic acid; and the sterol glycoside sitosteryl glucoside.
Acrid
Definition:
(a.) Sharp and harsh, or bitter and not, to the taste; pungent; as, acrid salts.
(a.) Causing heat and irritation; corrosive; as, acrid secretions.
(1) Children and the elderly were urged to stay indoors and some residents who ventured out wore face masks as the acrid murk entered its third day.
(2) Not via muttering idiots, but upfront, with an acrid twist.
(3) Beijing has issued its first pollution red alert as acrid smog enveloped the Chinese capital for the second time this month.
(4) The acrid taste left by the election was heightened by the US diplomatic cables published by WikiLeaks which revealed Amano's assiduous courting of American support .
(5) The controversy became so acrid that in April, more than 100 prominent members of the local church took out a full-page ad in the San Francisco Chronicle asking the pope to remove Cordileone from his position for fostering “an atmosphere of division and intolerance”.
(6) Moscow was veiled in acrid smoke from such fires this morning as landmarks disappeared from view and commuters clutched handkerchiefs to their faces.
(7) As MPs inside debated the draconian economic reforms that eurozone nations and the IMF have demanded in return for the biggest bailout in history, riot police outside fired off rounds of acrid teargas to keep the crowd at bay.
(8) Beyond lies Kamrangir Char, a vast slum where clouds of acrid smoke from burning rubbish hide tenements packed with thin men, anxious women and grubby children with tubercular coughs.
(9) A thick acrid smog enveloped Moscow today as scores of fires blazed and peat bogs smouldered outside the city.
(10) The sun was directly overhead and the acrid smell of burning plastic stung the back of her throat.
(11) Bumper-to-bumper traffic, much of it stationary, the acrid steam of a thousand exhausts hanging in the cold winter air.
(12) Look at the garbage fire right here,” he adds, pointing toward a thick cloud of acrid smoke across the street.
(13) The elder sister, who is 19 and pregnant with her second child, squints but sits still in the acrid air.
(14) The wind carried the acrid smell of several burned vehicles across town, and most Muslims hid in their homes.
(15) The Finns like to have it in everything from drinks to soap and as I drank the sweet, slightly acrid concoction, Eveliina recited a Finnish saying: “If sauna, vodka and tar don’t help, the disease will kill you.” In the sauna itself, there were other treatments.
(16) Acrid plumes of smoke – produced by forest fires triggered by drought and other factors –are already choking cities across south-east Asia.
(17) Its acrid smell and particulate matter irritate the eyes, nose, and lungs and cause nausea; it is also a suspected vector for transmitting infectious materials, such as the human papilloma virus (HPV) associated with condyloma (a wartlike lesion) and cervical cancer.
(18) When the Guardian visited Monywa earlier this week, the air around the plant was filled with the acrid stench of sulphuric acid.
(19) In minutes thick, acrid smoke engulfed the house, swiftly taking the lives of six children, aged five to 13.
(20) Amid this sea of shacks, many constructed from corrugated iron haphazardly bolted together, piles of rubbish go uncollected and acrid water runs down unpaved dirt tracks.