(1) Patients with papillary carcinoma with a good cell-mediated immune response occurred with much lower infiltration of the tumor boundary with lymphocyte whereas the follicular carcinoma less cell-mediated immunity was associated with dense lymphocytic infiltration, suggesting the biological relevance of lymphocytic infiltration may be different for the two histologic variants.
(2) Among a family of 8 children, 4 presented typical clinical and biological abnormalities related to mannosidosis.
(3) The HTCA is promising as a potential tool for studying the biology of tumors.
(4) Over the past decade the use of monoclonal antibodies has greatly advanced our knowledge of the biological properties and heterogeneity that exist within human tumours, and in particular in lung cancer.
(5) The lipid A moiety was shown to be responsible for this novel biological activity of the LPS molecule.
(6) Chromatography and immunoassays are the two principal techniques used in research and clinical laboratories for the measurement of drug concentrations in biological fluids.
(7) Biological magnification of insecticides and PCB's occurred in both lakes.
(8) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
(9) No biologic investigation of the hemostatic impairment could be performed under the emergency conditions of this field study.
(10) It is the absorbed dose in joules per gram that is biologically significant and the data shows that the mean absorbed dose to death within either sex shows no significant difference with respect to age or weight, but that the difference between the sexes are significant, particularly among the aged ex-breeders.
(11) Although chronologic age may not be a good predictor of pregnancy outcome, adolescents remain a high-risk group due to factors which are more common among them such as biologic immaturity, inadequate prenatal care, poverty, minority status, and low prepregnancy weight, and because factors associated with an early adolescent pregnancy, such as low gynecologic age, may continue to influence the outcome of subsequent pregnancies.
(12) The analysis of blood lead concentration revealed an evident biological response to this environmental change: there was a decrease in blood lead level between 1977 and 1987, in both the countryside (control group) and, to a lesser extent, in the city.
(13) Combination of domain substitutions to generate the [Glu107,123]bFGF and [Arg19,Lys123,126]bFGF mutants did not show any additivity of the mutations on biological activity.
(14) Thus, introduction of arginine in position 5 with a hydrophobic amino acid in position 6 is compatible with high potency in several biological systems and results in compounds with lowered potency to release histamine compared to homologous peptides with tyrosine in position 5 and D-arginine in position 6.
(15) The crystal structure of the biological stain, "acridine orange," has been determined.
(16) Improvement of its particularly poor prognosis requires therefore early screening based on reliable biological markers.
(17) The availability of locus-specific probes should significantly expand the role of minisatellite markers in population biology.
(18) That’s important, because Ebola is the Isis of biological agents .
(19) Men older than 75 showed a slightly higher mortality during the first year, but there were seemingly no relationships of tumor-biological or clinical significance between age at diagnosis and long-term relative survival.
(20) Since the employment of microwave energy for defrosting biological tissues and for microwave-aided diagnosis in cryosurgery is very promising, the problem of ensuring the match between the contact antennas (applicators) and the frozen biological object has become a pressing one.
Culture
Definition:
(n.) The act or practice of cultivating, or of preparing the earth for seed and raising crops by tillage; as, the culture of the soil.
(n.) The act of, or any labor or means employed for, training, disciplining, or refining the moral and intellectual nature of man; as, the culture of the mind.
(n.) The state of being cultivated; result of cultivation; physical improvement; enlightenment and discipline acquired by mental and moral training; civilization; refinement in manners and taste.
(v. t.) To cultivate; to educate.
Example Sentences:
(1) After stimulation with lipopolysaccharide and calcium ionophore A23187, culture supernatants of clones c18A and c29A showed cytotoxic activity against human melanoma A375 Met-Mix and other cell lines which were resistant to the tumor necrosis factor, lymphotoxin and interleukin 1.
(2) If ascorbic acid was omitted from the culture medium, the extensive new connective tissue matrix was not produced.
(3) He is also the foremost theorist of the Tijuana-San Diego border in terms of what happens when the urban culture of the developing world collides with that of the developed world.
(4) Our data suggest that a rational use of surveillance cultures and serological tests may aid in an earlier diagnosis of FI in BMT patients.
(5) In attacking the motion to freeze the licence fee during today's Parliamentary debate the culture secretary, Andy Burnham, criticised the Tory leader.
(6) The extent of the infectious process was limited, however, because the life span of the cultures was not significantly shortened, the yields of infectious virus per immunofluorescent cell were at all times low, and most infected cells contained only a few well-delineated small masses of antigen, suggestive of an abortive infection.
(7) It involves creativity, understanding of art form and the ability to improvise in the highly complex environment of a care setting.” David Cameron has boosted dementia awareness but more needs to be done Read more She warns: “To effect a cultural change in dementia care requires a change of thinking … this approach is complex and intricate, and can change cultural attitudes by regarding the arts as central to everyday life of the care home.” Another participant, Mary*, a former teacher who had been bedridden for a year, read plays with the reminiscence arts practitioner.
(8) Rapid overgrowth of all cultures with the E. coli necessitated the use of selective media containing antimicrobial agents to which the E. coli was sensitive.
(9) Patient or fetal cord serum is commonly used as a protein supplement to culture media used in in-vitro fertilization (IVF).
(10) The rate of accumulation of degraded LDL products was lower in collagen gel cultures, but the final levels achieved were the same in the two substrata.
(11) We have developed a new procedure for the rapid preparation of undegraded total RNA from cultured cells for specific quantitation by dot blotting analysis.
(12) A simple method for ultrarapid freezing of cell cultures in monolayers was developed.
(13) The results indicate that OA-bearing macrophages primed T cells and generated helper T cells, whereas the culture of normal lymphocytes with soluble OA in the absence of macrophages generated suppressor T cells.
(14) The effects of phenoxyacetic acid herbicides were investigated on the induction of chromosome aberrations in human peripheral lymphocyte cultures in vitro and in lymphocytes of exposed workers in vivo.
(15) Small pieces of anterior and posterior quail wing-bud mesoderm (HH stages 21-23) were placed in in vitro culture for up to 3 days.
(16) Human gingival fibroblasts were allowed to attach and spread on bio-glasses for 1-72 h. Unreactive silica glass and cell culture polystyrene served as controls.
(17) However, further improvement of culture systems is needed for active replication of HBV in vitro.
(18) 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.
(19) Cells (1 x 10(5)) were seeded in 12- x -75-mm tissue culture tubes and incubated with various doses of IL-1 beta, IL-1 alpha, TNF-alpha, and IFN-gamma, alone or in specific combinations, for 15 min, two, 12, 24, and 72 h. PGE concentrations in the media were measured by radio-immunoassay.
(20) This activation demonstrated in humans confirms the pharmacological results of the interferon induction obtained with SL04 in vivo in mice and in vitro in human cell cultures.