(a.) Relating to a base; performing the office of a base in a salt.
(a.) Having the base in excess, or the amount of the base atomically greater than that of the acid, or exceeding in proportion that of the related neutral salt.
(a.) Apparently alkaline, as certain normal salts which exhibit alkaline reactions with test paper.
(a.) Said of crystalline rocks which contain a relatively low percentage of silica, as basalt.
Example Sentences:
(1) F(420) is photolabile aerobically in neutral and basic solutions, whereas the acid-stable chromophore is not photolabile under these conditions.
(2) Despite of the increasing diagnostic importance of the direct determination of the parathormone which is at first available only in special institutions in these cases methodical problems play a less important part than the still not infrequent appearing misunderstanding of the adequate basic disease.
(3) Anytime they feel parts of the Basic Law are not up to their current standards of political correctness, they will change it and tell Hong Kong courts to obey.
(4) Helsby, who joined the estate agent in 1980, saw his basic salary unchanged at £225,000, but gains a £610,000 windfall in shares, available from May, as well as a £363,000 increase in cash and shares under the company profits-sharing scheme.
(5) Employed method of observation gave quantitative information about the influence of odours on ratios of basic predeterminate activities, insect distribution pattern and their tendency to choose zones with an odour.
(6) These four cytokeratins were also found in the epithelial and biphasic mesotheliomas, most of which, however, also expressed, additional cytokeratins, such as the basic Polypeptide 5 and, in some cases, Cytokeratins 4, 6, 14, and 17.
(7) The deactivated columns had the residual silanols on the silica gel chemically inactivated to reduce the interaction with basic groups or analytes.
(8) Attachment of the graft to the wound is similar with and without the addition of human basic fibroblast growth factor, a potent angiogenic agent, to the skin replacement before graft placement on wounds.
(9) This is basically a large tank (the bigger the better) that collects rain from the house guttering and pumps it into the home, to be used for flushing the loo.
(10) The determination of basic levels of TSH is more sensitive and more precise.
(11) The authors present the first results on the utilization of fish infusion (IFP) as a basic medium for the cultivation of bacteria.
(12) The mother in Arthur Ransome's children's classic, Swallows and Amazons, is something of a cipher, but her inability to make basic decisions does mean she receives one of the finest telegrams in all literature.
(13) We set a new basic plane on an orthopantomogram in order to measure the gonial angle and obtained the following: 1) Usable error difference in ordinary clinical setting ranged from 0.5 degrees-1.0 degree.
(14) All 3 drugs increased the basic cycle length of pacing at which VT was induced and the cycle time of the resulting VT.
(15) The problem-based system provides a unique integration of acquiring theoretical knowledge in the basic sciences through clinical problem solving which was highly rated in all analysed phases.
(16) We measured CSF immunoreactive myelin basic protein (MBP), a marker of acute myelin damage, and sIL-2R levels in the CSF from 11 patients with active relapsing remitting (RR) MS, five with stable RR MS, eight with chronic progressive (CP) MS, five with other neurologic diseases, and three normal controls.
(17) One of the proteases obtained was found to catalyse cleavage on the COOH-side of peptide sequences containing consecutive hydrophobic and basic residues.
(18) TCR beta chain gene expression of individual T cell clones that share the same MHC class II restriction and similar fine specificity for the encephalitogenic NH2 terminus of the autoantigen myelin basic protein (MBP) has been examined.
(19) Basic components of and differences between various forms of contrast treatment are discussed.
(20) Basic problem areas in the design and conduct of this assay in humans will also be discussed, as will the future potential of the assay.
Saponification
Definition:
(n.) The act, process, or result, of soap making; conversion into soap; specifically (Chem.), the decomposition of fats and other ethereal salts by alkalies; as, the saponification of ethyl acetate.
Example Sentences:
(1) Saponification of 3 gave 4 as an oil that gave a crystalline 4-acetate (8).
(2) Saponification of the benzoate ester and coupling with L-glutamate concluded the synthesis.
(3) Methylation, saponification, and digestion with streptomyces or testicular hyaluronidase, chondroitinase ABC, sialidase, or desoxyribonuclease were also employed.
(4) alpha-Trehalose was found in the aqueous phase after saponification of the product.
(5) After mild saponification of the extracted residue, additional lipid could be extracted which accounted for 2.1% of the stratum corneum weight.
(6) Saponification of (2a) and (2b) independently afforded optically active (3S)- and (3R)-3-OH-RALs (3a) and (3b), respectively, whose absolute structures were determined by circular dichroism (CD) spectra.
(7) A gas-liquid chromatographic micromethod for quantitation of cholesterol in 20 micro l of plasma was developed using 5alpha-cholestane as an internal standard, saponification with tetramethylammonium hydroxide-isopropanol, and extraction with tetrachloroethylene-methyl butyrate.
(8) The binding capacity can be fully restored by saponification.
(9) After deoxygenation of 2'-O-[[(4-methylphenyl)oxy]thiocarbonyl] compounds 20A-E with tributyltin hydride the 2,3'-anhydro bridge of the 2'-deoxynucleosides 21A-E was opened with LiN3 to produce the protected 3'-azido-2,3'-dideoxynucleoside derivatives 22A-G. Saponification with NaOCH3 gave 1-(3'-azido-2',3',5'-trideoxy-beta-D-allofuranosyl)thymine (2; homo-AZT), the 5'-C-(hydroxymethyl) derivatives of AZT 1-(3'-azido-2',3'- dideoxy-beta-D-allofuranosyl)thymine (3) and 1-(3'-azido-2',3'-dideoxy-alpha-L-talofuranosyl)thymine (4), and the 5'-C-methyl derivatives of AZT 1-(3'-azido-2',3',6'-trideoxy-beta-D-allofuranosyl)thymine (5) and 1-(3'-azido-2',3',6'-trideoxy-alpha-L-talofuranosyl)thymine (6).
(10) As acid reactants, (2-RS,3-RS)-3-hydroxy-2-tetradecyloctadecanoic acid (DL-corynomycolic acid) and its 2RS,3SR diastereomer were prepared from methyl palmitate by sequential Claisen condensation, reduction, chromatographic separation, and saponification.
(11) asparagine, glutamine), cleavage of base labile protecting groups and racemization by alkaline saponification.
(12) A sensitive, highly reproducible method for tissue tocopherol analysis that combines saponification in the presence of large nmount of ascorbic acid to remove interfering substances, extraction fo the nonsponifiable lipids with hexane, and fluorometric measurement of the tocopherol is presented.
(13) Saponification of a N-protected methyleneglutamic acid dialkyl ester using limiting alkali was shown to selectively yield the alpha-alkyl ester gamma-acid.
(14) It has been elucidated as 8-acetyldolaconine by means of IR,MS, 1H and 13CNMR with DEPT, CH-COSY techniques and on the basis of identification with aconosine by saponification.
(15) The radiolabeled PAF produced was characterized by TLC, HPLC, derivatization and by saponification and phospholipase A2 hydrolysis.
(16) Retinyl ester peaks in rat liver extracts were identified by their characteristic light absorption spectra, susceptibility to saponification, and by co-chromatography with authentic standards.
(17) In the lard containing gamma-HCH residues the acid number increased by 42%, the saponification number decreased by 3.6%, the number of 8.1%, the level of palmito-oleic acid by 14%, linoleic acid by 18% and linolenic acid by 30%.
(18) Saponification of cerebroside sulfate (sulfatide) by refluxing with 1 N KOH in 90% n-butanol for 1 h yielded ceramide, sphingosine, lysosulfatide (psychosine-3'-sulfate ester) and a hitherto unknown compound.
(19) Lead tetraacetate oxidation followed by mild saponification gave 18-hydroxydeoxycorticosterone (58%) yield).
(20) O-Deacetylation followed by re-esterification, O-sulfation, saponification, catalytic hydrogenolysis, and N-sulfation gave the decasodium salt of O-(2-deoxy-2-sulfamido-6-O-sulfo-alpha-D- glucopyranosyl)-(1----4)-O-(beta-D-glucopyranosyluronic acid)-(1----4)-O-(2-deoxy-2-sulfamido-3,6-di-O-sulfo-alpha-D-gl ucopyranosyl)-(1----4)-O-(2-O-sulfo-alpha-L-idopyranosyluronic+ ++ acid)-(1----4)-2-deoxy-2-sulfamido-6-O-sulfo-D-glucopyranose.