(v. t.) To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force; to fix; as, to concentrate rays of light into a focus; to concentrate the attention.
(v. t.) To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense; as, to concentrate acid by evaporation; to concentrate by washing; -- opposed to dilute.
(v. i.) To approach or meet in a common center; to consolidate; as, population tends to concentrate in cities.
Example Sentences:
(1) In each sheep there was a significant negative correlation between the glucose and corticosteroid concentrations in both maternal and fetal plasma, and there were positive correlations between the maternal and fetal plasma concentrations of glucose, and between the glucose and fructose concentrations of fetal plasma.
(2) Synthesis of choline esterase on the medium with acetylcholine at a concentration of 1% was increased more than twofold upon addition of glucose at a concentration of 0.1%.
(3) Steady-state values of cell, glucose, and cellulase concentration oxygen tension, and outlet gas oxygen partial pressure were recorded.
(4) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
(5) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
(6) The fraction of the viral dose which became cell associated was independent of the incubation temperature and increased with increasing target membrane concentration.
(7) Maximum increases in portal plasma secretin concentrations of 143, 146 and 190% and maximum increases in VIP of 116, 155 and 147% after, respectively, intraduodenal 0.1 M NaHCO3, 0.1 M Na2CO3, and 0.025 M NaOH were found.
(8) ), the concentration of AMPO in the hypothalamus was 5.4 times the concentration at 20 h after one injection.
(9) In cardiac tissue the adenylate system is not a good indicator of the energy state of the mitochondrion, even when the concentrations of AMP and free cytosolic ADP are calculated from the adenylate kinase and creatine kinase equilibria.
(10) We similarly evaluated the ability of other phospholipids to form stable foam at various concentrations and ethanol volume fractions and found: bovine brain sphingomyelin greater than dipalmitoyl 3-sn-phosphatidylcholine greater than egg sphingomyelin greater than egg lecithin greater than phosphatidylglycerol.
(11) Cyclic AMP stimulated phosphorylation by [gamma-32P]ATP of two proteins of apparent Mr = 20,000 and 7,000 that were concentrated in sarcoplasmic reticulum, but the stimulation was markedly dependent on the presence of added soluble cyclic AMP-dependent protein kinase.
(12) We conclude that the SHBG concentration strongly affects this estimation.
(13) Ursodeoxycholate was the only dihydroxy bile salt which was able to solubilize phospholipid (although not cholesterol) below the critical micellar concentration.
(14) The fluctuations in [Ca2+]i measured with fura-2 were synchronized among the population of cells observed and were sensitive to extracellular Ca2+ concentration ([Ca2+]o).
(15) The observed relationship between prorenin and renin substrate concentrations might be a consequence of their regulation by common factors.
(16) In the presence of insulin, a qualitatively similar pattern of increasing responses to albumin is observed; the enhancement of each response by insulin is, however, only slightly potentiated by higher albumin concentrations.
(17) We maximize an objective function that includes both total production rate and product concentration.
(18) The procedure used in our laboratory was not able to provide accurate determination of the concentrations of these binding forms.
(19) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
(20) The specific activities of extracts from cells grown under phototrophic and aerobic conditions were similar and not affected by the concentration of iron in the growth media.
Consider
Definition:
(v. t.) To fix the mind on, with a view to a careful examination; to think on with care; to ponder; to study; to meditate on.
(v. t.) To look at attentively; to observe; to examine.
(v. t.) To have regard to; to take into view or account; to pay due attention to; to respect.
(v. t.) To estimate; to think; to regard; to view.
(v. i.) To think seriously; to make examination; to reflect; to deliberate.
(v. i.) To hesitate.
Example Sentences:
(1) Anti-Leu 7 could not be considered as a specific marker for oligodendroglioma.
(2) Life expectancy and the infant mortality rate are considered more useful from an operational perspective and for comparisons than is the crude death rate because they are not influenced by age structure.
(3) We considered the days of the disease and the persistence of symptoms since the admission as peculiar parameters between the two groups.
(4) Coronary arteritis has to be considered as a possible etiology of ischemic symptoms also in subjects who appear affected by typical atherosclerotic ischemic heart disease.
(5) Structural peculiarities in tubulin polymorphism are considered.
(6) To be fair to lads who find themselves just a bus ride from Auschwitz, a visit to the camp is now considered by many tourists to be a Holocaust "bucket list item", up there with the Anne Frank museum, where Justin Bieber recently delivered this compliment : "Anne was a great girl.
(7) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
(8) In choosing between various scanning techniques the factors to be considered include availability, cost, the type of equipment, the expertise of the medical and technical staff, and the inherent capabilities of the system.
(9) In the past 6 years 26 patients underwent operation for recurrent duodenal ulcer after what was considered to be an "adequate" initial operation.
(10) External exposures to a contaminated fishing net and fishing boat are considered pathways for fishermen.
(11) This paper has considered the effects and potential application of PFCs, their emulsions and emulsion components for regulating growth and metabolic functions of microbial, animal and plant cells in culture.
(12) Formerly, many patients in this category were considered either inoperable or candidates for total or partial nephrectomy.
(13) A re-examination of the literature indicates that many phagocytes previously unidentified or considered to be microglial cells are probably beta astrocytes.
(14) Implications of the theory for hypothesis testing, theory construction, and scales of measurement are considered.
(15) The Bohr and Root effects are absent, although specific amino acid residues, considered responsible of most of these functions, are conserved in the sequence, thus posing new questions about the molecular basis of these mechanisms.
(16) BPH patients may be considered as "endocrinologically younger" than healthy subjects.
(17) Eight other children (20%) had normal or borderline elevation of CPK-MB fraction and EKG abnormalities combined with abnormal echocardiograms or radionuclide angiograms, and were considered to have sustained cardiac concussion.
(18) The pathogenicity of Mycoplasma pneumoniae in atypical pneumonias can be considered confirmed according to the availabile literature; its importance for other inflammatory diseases of the respiratory tract, particularly for chronic bronchitis, is not yet sufficiently clear.
(19) The cause has been innumerable "VIP movements", as journeys undertaken by those considered important enough for all other traffic to be held up, sometimes for hours, are described in South Asian bureaucratic speak.
(20) HDAra-C in combination with anthracyclines is now considered to be a treatment which may afford some hope of a cure in a certain percentage of cases of adult acute non-lymphocytic leukemia.