What's the difference between artificial and mannitol?

Artificial


Definition:

  • (a.) Made or contrived by art; produced or modified by human skill and labor, in opposition to natural; as, artificial heat or light, gems, salts, minerals, fountains, flowers.
  • (a.) Feigned; fictitious; assumed; affected; not genuine.
  • (a.) Artful; cunning; crafty.
  • (a.) Cultivated; not indigenous; not of spontaneous growth; as, artificial grasses.

Example Sentences:

  • (1) Dialysis of dog plasma against an artificial c.s.f.
  • (2) Classical treatment combining artificial delivery or uterine manual evacuation-oxytocics led to the arrest of bleeding in 73 cases.
  • (3) Nasotracheal intubation has been well established as a method for maintaining an artificial airway in children.
  • (4) Arginine vasopressin further reduced papillary flow in kidneys perfused with high viscosity artificial plasma.
  • (5) Females were killed at various times after the onset of mating or artificial insemination, oviducts were fixed and sectioned serially, and spermatozoa were counted individually as to their location in the oviduct.
  • (6) Recently, we have designed a series of simplified artificial signal sequences and have shown that a proline residue in the signal sequence plays an important role in the secretion of human lysozyme in yeast, presumably by altering the conformation of the signal sequence [Yamamoto, Y., Taniyama, Y., & Kikuchi, M. (1989) Biochemistry 28, 2728-2732].
  • (7) Anaesthesia was maintained with artificial ventilation and alcuronium, or spontaneous ventilation with halothane.
  • (8) The distribution of conceptions after artificial insemination from a donor was studied in 259 conceptions at an artificial insemination clinic and found to be seasonal.
  • (9) Ten patients received intercostal nerve blockade on a total of 29 occasions in order to provide analgesia following liver transplantation and to facilitate weaning from artificial ventilation of the lungs.
  • (10) A new type of artificial blood, pyridoxylated hemoglobin-polyoxyethylene conjugate (PHP) solution, (developed by PHP research group of the department of health and welfare of Japan, and produced by Ajinomoto Co., Inc. Tokyo) as an oxygen-carrying component, has been recently devised using hemoglobin obtained from hemolyzed human erythrocytes.
  • (11) Artificially produced mineral waters which are identical to natural ones are also applied.
  • (12) The results of these investigations suggest that there is a biochemically significant decrease in the bioavailability of zinc when these artificial formulas are used.
  • (13) Neither was the autumn moult, induced early in intact females by the change to a short photoperiod, advanced in ganglionectomized females, showing that the latter were unresponsive to the artificial modification of the photoperiod.
  • (14) These artificial rheomelanins in vitro and the apparent in vivo rheomelanins present in plasmas moved together during the two chromatographies.
  • (15) This paper also examines the effect of pH and ionic strength on the activity and specificity of the enzyme with respect to substrates and natural, as well as artificial, electron acceptors.
  • (16) The latter animals were raised in an automated feeding device (Autosow) with an artificial diet simulating the nutritional composition of sow milk.
  • (17) Respiratory failure, developing 7-9 days after inoculation, was associated with a decrease in lung-thorax compliance determined during artificial ventilation, and an increase in the amount of protein including the specific antibody in lung lavage fluid.
  • (18) One may speculate whether clinical conditions exist--apart from hereditary retinal dystrophies--in which the retina becomes more sensitive to light from strong artificial or natural sources, which are otherwise innoxious.
  • (19) The results of the present experiments show that capillary blood flow in the cerebral cortex fluctuates, whether the cat's head is supplied by the animal's intact circulation or by an artificial circulation system.
  • (20) Tissue storage of hydroxyethyl starch (HES), a widely used artificial colloid, has been reported.

Mannitol


Definition:

  • (n.) The technical name of mannite. See Mannite.

Example Sentences:

  • (1) Hepatic lymph flow increased only after ethacrynic acid and mannitol administration.
  • (2) Seven of 12 who received mannitol responded with a diuresis.
  • (3) Sorbitol, by itself or in combination with mannitol is slowly converted to acids by the plaque microorganisms.
  • (4) We have previously shown that, with moderate hydration (2.5 L) of the recipient, together with rapid infusion of 250 ml of mannitol 20% just before clamp removal, the incidence of ARF decreased to below 10%.
  • (5) The free radical scavengers mannitol, thiourea, benzoate, and 4-methylmercapto-2-oxobutyrate protected either native cells exposed to H2O2 or pretreated hepatocytes exposed to H2O2 and given ferric or ferrous iron.
  • (6) D-Mannitol has not so far been known as a major product of sugar metabolism by yeasts.
  • (7) Freeze-dried mannitol preparations were shown to be of a crystalline nature.
  • (8) Similarly at ) degrees glutamine is confined to the simultaneously determined sucrose or mannitol spaces...
  • (9) In either the presence or the absence of hemoglobin, it was commonly observed that the enzyme inactivation, which was maximal at pH 10, was significantly protected by tocopherol, but neither by mannitol nor ethanol, and that the inclusion of arachidonic acid or linoleic acid prevented the enzyme inactivation.
  • (10) The oxygen-free radical scavengers thiourea, mannitol and catalase prevented toxicity mediated by ferrous ammoniumsulphate but not by ferrous ascorbate (molar ratio of 1:20).
  • (11) The population of correctly oriented EII molecules was monitored by measuring active uptake of mannitol with internal phosphoenolpyruvate, EI, and HPr.
  • (12) Procedures are described for the preparation of two disaccharides, 4-O-alpha-L-iduronosyl-2,5-anhydro[3H]mannitol and 3-O-alpha-L-iduronosyl-2,5-anhydro[3H]-talitol, from heparin and dermatan sulfate, respectively.
  • (13) The effect of vinpocetine was compared to other antioxidants, to mannitol, vitamin E and dimethyl sulfoxide.
  • (14) Differential and sucrose gradient centrifugation of honey bee thoraces, disrupted by gentle methods and using mannitol-triethanolamine-EDTA buffer at pH 6.5, showed that in the honey bee thorax 92-94.8% of the trehalase was mitochondrial.
  • (15) In 2 groups of chemoreceptor-intact animals an osmotic diuresis was induced by intravenous infusion of an isoionic solution containing equivalent amounts of either sorbitol or mannitol.
  • (16) No protection from stimulation-associated impedance modifications was provided by the systemic administration of a material of high osmolarity (Mannitol) but the usual impedance decrease was not seen after systemic administration of a glucocorticoid.
  • (17) This mutant, similar to the mutants deficient in any of the Entner-Doudoroff pathway enzymes, does not allow appreciable alginate formation from glucose and gluconate, but allows alginate synthesis from mannitol and fructose.
  • (18) Variations of mannitol clearance parallel to those of bile flow indicate a canalicular origin of all changes.
  • (19) Instead, the latter experiment yielded 1,5-anhydro-2,3-di-O-methyl-D-mannitol, establishing the presence in the polysaccharide of terminal (nonreducing) D-mannopyranosyl groups bearing 4,6-O-(1-carboxyethylidene) substituents.
  • (20) Neither mannitol nor desferrioxamine, at the concentrations normally used in radical-generating systems, appears to react with HOCl.

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