(n.) Exposure to the free action of the air; airing; as, aeration of soil, of spawn, etc.
(n.) A change produced in the blood by exposure to the air in respiration; oxygenation of the blood in respiration; arterialization.
(n.) The act or preparation of charging with carbonic acid gas or with oxygen.
Example Sentences:
(1) A theory for the neural control of middle ear aeration is proposed.
(2) It is suggested that lung ventilation takes place in the avian embryo in three distinct stages: the major air-ways become aerated, then respiratory movements begin and lastly the tertiary bronchi are slowly aerated.
(3) We therefore investigated the influence of different carbon dioxide tensions and bicarbonate concentrations on directly measured pH of organ baths aerated with mass-spectrometric analyzed O2-CO2 gases.
(4) The test organism, grown under anaerobic conditions in Trypticase soy broth, was diluted in buffered salt solution, and about 2 x 10(4) cells were suspended in 10 ml of an aerated broth.
(5) On the other hand, maintaining constant DO levels at 50 or 10% raised exoprotein levels higher than those achieved in a culture grown at the optimal aeration rate.
(6) None of the mutants are oxygen sensitive; they grow as well as wild bacteria, even when aerated.
(7) In helical strips of dog cerebral arteries contracted with K+ or prostaglandin F2 alpha, the increase in CO2 from 5 to 15% in the gas aerating the bathing media produced a persistent relaxation in association with a rise of PCO2 and a fall of pH and PO2.
(8) Although X-ray studies in many of the patients revealed mucosal swelling four weeks after surgery, the maxillary sinuses were well aerated 8 weeks after operation.
(9) One problem remains: permanent aeration of the new tympanic cavity.
(10) The time of the sporulating forms appearance depended on the aeration rate which defined the quantitative composition of the population during the phase of the culture active growth and the stationary phase.
(11) Azotobacter chroococcum (ATCC 7493) was grown in continuous culture with intense vortex aeration (stirring rate 1750 rpm) with up to 50% O2 in the gas phase.
(12) Assays on the Rm nifA-m RNA produced by the constitutive Rm nifA in E. coli under aerobic and microaerobic conditions with the cloned nifA as a probe for dot blot hybridization showed a marked decrease of Rm nifA mRNA when the bacteria were grown under aeration.
(13) Acute anoxia was induced by aerating a muscle chamber with a gas mixture of 95% nitrogen and 5% carbon dioxide.
(14) Amylase production by a Bacillus subtilis strain can occur without aeration after reaching the stationary phase of growth, provided the pH is controlled.
(15) The photosynthetically-incompetent mutant V-2 of Rhodopseudomonas spheroides which is incapable of synthesising bacteriochlorophyll was grown aerobically under conditions of both high and low aeration.
(16) The fim(+) bacteria did not show selective outgrowth in mixed cultures grown in broth aerated by continuous shaking, in static broth incubated anaerobically in hydrogen, and on aerobic agar plates, i.e., under conditions not allowing an advantage from pellicle formation.
(17) The rate of alpha-keto acid biosynthesis, on the contrary, decreased in the conditions of low aeration.
(18) Pyruvate-dependent glutamine aminotransferase activity is not regulated directly by O2 itself since a rho- strain showed a high activity regardless of the extent of aeration of cultures.
(19) Bacteriorhodopsin formation was negligible when washed suspensions of cells from dark, limited aeration or light, adequate aeration cultures were incubated in the light with limited aeration.
(20) Seventy two left anterior descending and circumflex coronary artery rings were removed in twelve dogs and mounted in organ chambers filled with Krebs-Ringer bicarbonate solution and aerated with 95% O2-5% CO2.
Cultivator
Definition:
(n.) One who cultivates; as, a cultivator of the soil; a cultivator of literature.
(n.) An agricultural implement used in the tillage of growing crops, to loosen the surface of the earth and kill the weeds; esp., a triangular frame set with small shares, drawn by a horse and by handles.
Example Sentences:
(1) A group I subset (six animals), for which predominant cultivable microbiota was described, had a mean GI of 2.4.
(2) The present retrospective study reports the results of a survey conducted on 130 patients given elective abdominal and urinary surgery together with the cultivation of routine intraperitoneal drainage material.
(3) The authors present the first results on the utilization of fish infusion (IFP) as a basic medium for the cultivation of bacteria.
(4) Throughout the entire cultivation cytidyl derivatives occurred in trace quantities.
(5) A human salivary gland adenocarcinoma cell line was cultivated in the presence of dibutyryl cyclic AMP (dB-cAMP), cis-diammine dichloroplatinum (cisplatin) or mitomycin C (MMC) only, or of the combination of dB-cAMP and each of the antineoplastic drugs.
(6) Liver cells, however, cultured in this way, can also be used for experiments in the early stage of serial cultivation.
(7) When rabbit and horse sera were used instead of human serum for cultivation, in both groups the share of positive cultures increased and more large forms of B. hominis cells were observed.
(8) After 21 days, supragingival and marginal plaque was collected from each subject and assayed for total cultivable microbiota, total facultative anaerobes, facultative Streptococci, Actinomyces, Fusobacterium, Veillonella and Capnocytophaga.
(9) The cultivation of embryos in shell-less culture did not affect the normal macroscopic or histological appearance of the membrane, or the rate of proliferation of its constituent cells, as assessed by tritiated thymidine incorporation.
(10) A procedure for cultivation of the seed material for biosynthesis of eremomycin providing an increase in the antibiotic yield by 24 per cent was developed.
(11) Several species of leishmania and three methods of cultivation: monophasic, biphasic and co-cultivation were used in a compared study bearing on the intensive production of leishmania.
(12) It is a very widely cultivated plant in eastern countries like India, Bangladesh, Ceylon, Malaya, the Philippines and Japan.
(13) The ratio of total protein content of DNA content increased 1.46 fold in 10(-5) M dexamethasone-treated cells on the seventh day of cultivation.
(14) The phenomenology of various protrusions, including fimbria, is described, and the effect of cultivation conditions (continuous culture, periodic culture) and growth phases on their emergence was elucidated.
(15) Finally, the analytical device was applied to the registration of production of monoclonal antibodies in a cultivation.
(16) After 48-hour cultivation the incorporation of 3H-thymidine into the DNA of mouse cells was 5 times higher than into the DNA of guinea-pig cells.
(17) The effect of cultivation temperature and pH on growth of the culture Penicillium brevi-compactum and biosynthesis of extracellular phosphohydrolases (acid and alkaline RNases and acid PMEase) involved in RNA degradation was studied.
(18) The pH effect on the nisine biosynthesis during the cultivation of Streptococcus lactis was studied at pH 5,8 6,7 and 7,2.
(19) We have studied the expression of genes that typify osteogenic differentiation in mandibular condyles during in vitro cultivation.
(20) By Western blot analysis we found that cultivated liver stellate cells secreted RBP into the medium.