What's the difference between sorbent and substance?

Sorbent


Definition:

  • (n.) An absorbent.

Example Sentences:

  • (1) These organic compounds were found to be stable on the sorbent tubes for at least seven days.
  • (2) An Immuno Sorbent Binding Bio-Assay (ISBBA) for the detection and the titration of antisera to the highly biologically active proteins, alpha interferons, is described.
  • (3) The principle can be applied for the preparation of affinity sorbents, e.g., for high-performance affinity chromatography and for the immobilization of enzymes using latex PS particles.
  • (4) Human basophil degranulation tests with all four allergens were positive and radio allergo sorbent tests to latex were also positive.
  • (5) A method of hard phasic separation of free and bound forms of the hormone demonstrated the presence of specific (saturated) and nonspecific (unsaturated) binding of dexamethazone in the cytosol of various rat organs; and increase of the sorbent concentration promoted a better detection of the first type of binding on account of selective depression of binding of the second type.
  • (6) Cardiolipin and group treponemal IgE fractions were indirectly calculated by the difference between the specific activity induced by sera as such and that induced by sera absorbed with cardiolipin and group treponemal sorbents.
  • (7) The synthesis of chelating sorbents for ligand-exchange chromatography of enzymes is described.
  • (8) This impressive immunological effect was not associated with any changes in the radio-allergo-sorbent assay (RAST) to house dust mite, or symptom scores; peak expiratory flow rates or histamine induced bronchial reactivity.
  • (9) Because these contaminants have long column retention times in GLC, it may not be apparent that these contaminants are present and consequently are likely to have modified the sorbent characteristics of the activated charcoal.
  • (10) Following intravenous injection of radioactive thyroxine, the radiolabeled thyroid hormones were isolated from plasma protein and polar metabolites by solid phase extraction on a C18 sorbent bed.
  • (11) Despite their apparent similarity, the sorbents show very different chromatographic properties, not only with respect to retention of analyte enantiomers (k' and alpha), but also with respect to column efficiency (affecting Rs values).
  • (12) In vitro characteristics of the resulting coated sorbent, including permeability to model small and middle molecules, and mechanical integrity, were evaluated to determine the suitability of the process in coating granular sorbents used in hemoperfusion.
  • (13) The 2-methyl derivatives of tamoxifen (2-methyltamoxifen and 2-methyl-4-hydroxytamoxifen) were extracted from a cell culture medium at pH 5.4 (Earle's Minimum Essential Medium) with an internal standard (tamoxifen) on a phenyl sorbent cartridge.
  • (14) The data of the study on optimal conditions for the use of a mineral sorbent, bentonite, for isolation of hepatitis A virus and enteroviruses from water bodies are presented.
  • (15) A major drawback of SPE is the batch-to-batch variation of the sorbents.
  • (16) Sixty-six patients with diabetes mellitus were treated with carbon-containing sorbents with a resultant decrease in the content of cholesterol in lipoproteins of antiatherogenic classes and an increase in high-density lipoproteins (HDL), glycosylation of lipoproteins was suppressed, detoxicating and synthetic liver function was improved.
  • (17) We examined serum interleukin-6 (IL-6) in 90 schizophrenic patients in remission and 90 normal controls using enzyme-linked immuno-sorbent assay (ELISA).
  • (18) However, considering the potential application of sorbents in modern medicine (hemosorption, enterosorption, application therapy) it is important that sorbents with improved sorption, kinetic and other operational characteristics be developed.
  • (19) A small strip of special indicator sorbent paper (test stick) is moistened with this mixture for one minute.
  • (20) A chelating sorbent (in nickel form) was shown to be effective in the purification of exonuclease A5 from actinomyces.

Substance


Definition:

  • (n.) That which underlies all outward manifestations; substratum; the permanent subject or cause of phenomena, whether material or spiritual; that in which properties inhere; that which is real, in distinction from that which is apparent; the abiding part of any existence, in distinction from any accident; that which constitutes anything what it is; real or existing essence.
  • (n.) The most important element in any existence; the characteristic and essential components of anything; the main part; essential import; purport.
  • (n.) Body; matter; material of which a thing is made; hence, substantiality; solidity; firmness; as, the substance of which a garment is made; some textile fabrics have little substance.
  • (n.) Material possessions; estate; property; resources.
  • (n.) Same as Hypostasis, 2.
  • (v. t.) To furnish or endow with substance; to supply property to; to make rich.

Example Sentences:

  • (1) No differences between the two substances were observed with respect to side effects and general tolerability.
  • (2) Modulation of the voltage-gated K+ conductance in T-lymphocytes by substance P was examined.
  • (3) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
  • (4) Intracellular localization of the labeled substance in the tumor tissue was examined autohistoradiographically.
  • (5) Substances with a leaving group at the C-3 position form unsaturated conjugated cyclic adducts and are mutagenic only in the His D3052 frameshift strains with an intact excision repair system (no urvA mutation).
  • (6) A substance with a chromatographic mobility of Rf = 0.8 on TLC plates having an intact phosphorylcholine head group was also formed but has not yet been identified.
  • (7) Serum pepsinogen 1, serum gastrin, ABO blood groups, secretor status of ABH blood group substances and behavioral factors were studied in 15 patients with duodenal ulcer and 61 their relatives affected and unaffected to duodenal ulcer.
  • (8) Agarose-albumin beads may be useful for removing protein-bound substances from the blood of patients with liver failure, intoxication with protein-bound drugs, or specific metabolic deficits.
  • (9) Urine tests in six patients with other kidney diseases and with uraemia and in seven healthy persons did not show this substance.
  • (10) Substance P, a potent vasodilating peptide, seems to be released from trigeminal nerve endings in response to nervous stimulation and is involved in the transmission of painful stimuli within the periphery.
  • (11) Regulators concerned about physician behavior and confronted by demands of nonphysicians to prescribe controlled substances may find EDT a good solution.
  • (12) These results are discussed in the light of the mode of action of the substances used.
  • (13) Most cis AB sera have anti-B activity, essentially at 4 degrees C. In saliva A and H substances are found in normal amounts but B substance is only evidenced by inhibition of autologous cells agglutination.
  • (14) We have investigated some of the factors which affect the retention times of these substances in reversed-phase HPLC on columns of 5-micron octadecylsilyl silica.
  • (15) The data indicate that adult neurons with an intrinsic ability to regenerate axons can respond to substances with neurotrophic or neurite-promoting activities in tissue cultures.
  • (16) The authors describe the role played by these substances in the pathogenesis of inflammations, their importance in the regulation of intraocular pressure and in the development of cystoid macular oedema.
  • (17) They were more irregularly curved and consisted of various substances.
  • (18) We examined 10 life areas clustered around the general categories of "substance use," "social functioning," and "emotional and interpersonal functioning."
  • (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 following possible explanations were discussed: a) the tested psychotropic drugs block prostaglandin receptors in the stomach; b) the test substances react with prostaglandin in the nutritive solution; c) the substances stimulate metabolic processes in the stomach wall that break down prostaglandin.

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