(n.) One of a class of caustic bases, such as soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue.
Example Sentences:
(1) Significant amounts of 35S-labeled material were lost during the alkali treatment.
(2) The results also suggest that both alkali metals most probably have been delivered to the suckling pups and some of their toxic effect was retarded.
(3) Rabbits eating Rabbit Chow excreted a very alkaline urine, but rats eating the same diet excreted much less alkali when expressed per kilogram of body weight.
(4) From these findings it is concluded that cardiac performance and carbohydrate metabolism are accelerated in alkali and depressed in acid perfusion, and that myocardial metabolism could be affected by pH not only secondary to the change of performance but also by itself.
(5) Electrophoresis, Sephadex chromatography, and ultrafiltration studies showed that the alkali-soluble, water-soluble cell wall antigen is comprised of lipid, polysaccharide, and protein and has a molecular weight range of 30,000 to 50,000.
(6) [Na+],[Cl-)and[alkali]were determined in the alkaline gastric juice samples (pH greater than 7.0).
(7) Plants placed in pure acid and alkali solutions were also able to neutralize the medium.
(8) TFP produced a more discrete block in the repair of alkali-labile lesions in DNA.
(9) Activation of GV by monochromatic 450-nm radiation causes two specific DNA changes in human P3 cells in culture as shown by alkaline elution techniques: single-strand breaks (i.e., alkali-labile sites plus frank strand scissions) and DNA-to-protein covalent bond crosslinks.
(10) Keratan sulphate was isolated from bovine intervertebral disc and bovine nasal septum after hydrolysis with proteinases and treatment with dilute alkali.
(11) It was necessary to avoid CsCl banding of procapsids in their preparation as this treatment altered both their pI and their sensitivity to alkali dissociation into 14S subunits.
(12) In these muscles, two kinds of mRNA for the cardiac myosin alkali light chain, identical with those in ventricular muscle, were expressed and their relative amount in each tissue was almost the same as that in ventricular muscle.
(13) The enzymes were detected and characterized by agarose gel electrophoresis of alkali-denatured digestion products.
(14) The alkali cations selectivity sequence induced by ETH1811 is Li+ (1) greater than Na+ (0.08) greater than K+ (0.02) greater than Cs+ (0.008).
(15) When the monomer was further dissociated into constituent subunits in strong alkali or at high concentrations of SDS, the CD spectrum disappeared almost completely, indicating loss of the asymmetric interactions of the chromophoric heme a with its immediate environments, consisting of the subunit assembly.
(16) Addition of alkali to the culture media results in decrease of cell GAD activity, whereas increase of enzyme level occurs only in cells growing in unbuffered media.
(17) Chain breaks as measured in alkali were also measured and found to be enhanced by the dye; the ratio of breaks per iodine loss was 0.9.
(18) Alkali hydrolysates of elastins contained a radioactive peak that was eluted between proline and leucine.
(19) Under limiting concentration conditions, BLM and NCS induce alkali-labile sites in DNA without a subsequent cleavage of the chain.
(20) Hydrolysis with mild alkali yields anhydroretinol, as it does for synthetic retinyl phosphate, with absorption maxima at 388, 368, and 346 nm.
Hepar
Definition:
(n.) Liver of sulphur; a substance of a liver-brown color, sometimes used in medicine. It is formed by fusing sulphur with carbonates of the alkalies (esp. potassium), and consists essentially of alkaline sulphides. Called also hepar sulphuris (/).
(n.) Any substance resembling hepar proper, in appearance; specifically, in homeopathy, calcium sulphide, called also hepar sulphuris calcareum (/).
Example Sentences:
(1) One patient developed hemolytic-uremic syndrome, and one subject developed pulmonary fibrosis, both presumably attributable to treatment with mitomycin C. Another patient died of hepatic failure (hepar lobatum).
(2) The safety of mesothelial integument in hepar capsula has not been damaged.
(3) The conclusions of the two stages are ordered by the amount of evidence computed by HEPAR.
(4) Initial results showed comparable performance of hirudinized saline and heparized saline, both of which were better than saline, for preventing thrombosis.
(5) Besides the uniform daily energy intake of 750 ml of 40% invert sugar and 250 ml of 20% Lipofundin, the daily amino acid infusion of group I (n = 13) was only 500 ml EAS pfrimmer (34.5 g), of group II (n = 10) 250 ml EAS pfrimmer and 250 ml of 7.5% Intrafusin, and of group III (n = 16) 250 ml EAS pfrimmer and 350 ml Aminofusin Hepar (33.1 g).
(6) In three of these patients, all of whom had taken an overdose of paracetamol, the acidosis was severe, present before the onset of clinical heparic failure, and associated with hypoglycaemiaand mild hypotension.
(7) HEPAR is an expert system which can be used as a supportive tool in the diagnosis of disorders of the liver and biliary tract.
(8) This is the first clinico-pathological report of hepar lobatum carcinomatosum (HLC), the rarest form of metastatic liver disease.
(9) The possibility of hepar resection by means of Soviet-made ultrasound device URSK-7N-18 was investigated in experiment on 13 mongrel dogs.
(10) An instance of hepar lobatum of unusual etiology is described.
(11) There were three groups of five dogs each: Group I had no anticoagulants; Group II received systemic heparization; Group III perfusions utilized heparin-bonded circuits.
(12) The representation language employed in HEPAR consists of production rules with object-attribute-value triples.
(13) In this paper the structure, development process and approach followed in the validation of the HEPAR system are described.
(14) The scarring subdivided the liver into irregular areas resulting in the characteristic gross appearance of hepar lobatum.
(15) The possibilities of application of the "Hepar" computer system in medical didactics are discussed.
(16) The HEPAR system is a medical expert system intended as a supportive tool for the diagnosis of disorders of the liver and biliary tract.
(17) Light and heavy petrols influence as well, as that of trichloroethylene on morphological changes in the hepar and lungs of gravid Wistar females was investigated.
(18) During a 3-day infusion period a so-called liver solution (Aminofusin hepar) was given to one group of animals, a normal solution (Infesol) to a second group, and only an electrolyte infusion solution under oral nutrition ad libitum to a third one.
(19) Hepar lobatum is now a rarity in developed countries.
(20) It was found that inhalation of petrols and trichloroethylene in small concentrations caused degenerative changes in the hepar parenchyma, while there were no changes in the lungs.