(n.) A spectroscope fitted for measurements of the luminious spectra observed with it.
Example Sentences:
(1) The experimental results for protein preparations of calmodulin in which Ca2+ was isomorphically replaced by Tb3+ were obtained by a spectrometer working at the Institute of Nuclear Physics.
(2) The pyrolytic conversion of N-protected peptide dimethyltrideuteromethyl anilinium salts to their methyl esters in the direct insertion probe of a mass spectrometer was found to be most suitable for the derivatization of such dipeptide mixtures.
(3) Features of this spectrometer which make it more suitable than the previously employed scintillation spectrometers for the observation of granulocyte and other chemiluminescent systems include; (1) the ability to measure CL immediately upon reaction initiation; (2) simplicity of photomultiplier tube exchange; and (3) built-in optical filter holders for spectral analysis.
(4) The persistency of elution over long time after subsequent transfer to fresh water was calculated at 210 nm absorbance with ultra violet spectrometer.
(5) This investigation was designed to determine the accuracy of a clinical system, which included 12 ICU bedside stations monitored by a medical mass spectrometer (Perkin-Elmer RMS III, Pomona, CA).
(6) It uses neutron irradiation and subsequent measurements of helium 3 and helium 4 in a static mass spectrometer.
(7) The aim of this study is to employ an energy dispersive X-ray spectrometer (EDS) in developing a computer software system for the quantitative analysis of elemental concentrations in biological specimens.
(8) The mixture is lyophilized, converted into the penta-trimethylsilyl-methyloxime derivative and subjected to analysis with a combined gas chromatograph - mass spectrometer equipped with a MID-unit (multiple ion detector).
(9) The isotope effects are measured by the remote label method, using an isotope ratio mass spectrometer for analysis.
(10) The conversions to benzodiazepines were confirmed by a comparison of retention times on a gas chromatograph as well as through the use of a GC-mass spectrometer.
(11) However, there is evidence using urinary drop spectrometer data which makes one suspect that megestrol does have a positive effect.
(12) Muscle pO2, pCO2, and pAr were measured using a Teflon membrane catheter-mass spectrometer system.
(13) A small bolus of each of the tracer gases was injected within 1 ms into a constant airflow at the inlet of the model, and the bolus dispersion curve was measured at the outlet by means of a mass spectrometer.
(14) Prior to termination of incubation, cultures were labeled with 1 muCi of [3H]thymidine and, after harvesting, assayed for [3H]thymidine incorporation in DNA by a liquid scintillation spectrometer.
(15) A grand-scale mass spectrometer with high mass resolution and high transmission was employed for the analysis of haemoglobin variant.
(16) The ion content of heart tissue was measured with flame spectrometer after the decomposition of myocardium by Lumatom tissue solubizer.
(17) An atomic emission detector, consisting of a microwave-induced helium plasma and atomic emission spectrometer, has been used for the gas chromatographic analysis of pesticides.
(18) Scanning mass spectrometers suffer from the disadvantage of monitoring only one mass at any particular time in contrast to mass spectrographs which allow the simultaneous detection of an extended mass range.
(19) Oxygenation in the tibialis anterior muscle was measured using a medical mass spectrometer.
(20) The enrichment of labeled phenylalanine was analyzed by using a gas-chromatograph mass spectrometer, following a primed infusion of the isotope for 6 h. The whole-body protein synthesis of laying hens fed diets deficient in amino acids was significantly lower than that of control hens.
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.