(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.
Biotic
Definition:
(a.) Relating to life; as, the biotic principle.
Example Sentences:
(1) With short-term administration of analgesics and under anti-biotic cover the post-embolic course ran without complications.
(2) A second distinction is between physical and biotic causes of extinction.
(3) It is important to remember that the behavior of contaminants in the subsurface is influenced by chemical and hydrologic parameters as well as biotic considerations, and that a wholistic understanding of these processes will be required for successful ground-water quality management.
(4) A calculation of the net oxygen released by photosynthesis, and of the possible sinks for such oxygen, shows clearly that the pre-biotic atmosphere of the earth must have been heavily reducing.
(5) His great contribution will be to impress on people that we live in this vast biotic of microbes.
(6) Monitoring of DDT and HCH residues in abiotic and biotic components of the environment of Delhi during 1988 to 1989 revealed low to moderate levels of these insecticides in soil, earthworms, birds, buffalo milk, water, freshwater clams, fish, human fat, human blood and breast milk samples.
(7) While many authors have interpreted these trends as providing support for the 'biotic uncertainty' hypothesis for the maintenance of sex, these trends are consistent with several other interpretations as well.
(8) The relative importance of migrating eels and suspended particulate material (biotic and abiotic) as transporters of mirex from Lake Ontario to the St. Lawrence River Estuary is evaluated in the context of a possible adverse impact on the St. Lawrence beluga population.
(9) The effects of abiotic and biotic mortality factors on preimaginal survivorship and the production of adults were investigated for populations of Culex tarsalis Coquillett at a stable foothill breeding site during 1985 and at seven ephemeral breeding sites during 1986.
(10) The environment includes both physical and biotic components, so sheep adjust their behavior in response to such diverse characteristics as the thermal conditions of their environment, the flora present, or the characteristics of other sheep.
(11) Biotic factors are instrumental in the decline in coliform populations, but the potential for growth of the coliform in the organic soil could extend the survival of the organism.
(12) The incidence of extensive damage to natural dung pats within five days of deposition, caused by biotic factors, another possible cause of D viviparus third stage larvae dispersal, varied from 0 to 92 per cent of the pats depending on their degree of dryness.
(13) Biotic fate studies were carried out with once-through columns containing sand colonized with anaerobic biomass previously grown in a methanogenic fluidized bed.
(14) In the third, fourth and fifth generations, the biotic potential was significantly lower in groups of treated insects than in untreated ones.
(15) The trans-substantial channels are spontaneously organized in the biotic model, but they are also present in many technical electronic models of systems constructed by man.
(16) Surface pressure and surface potential measurements demonstrated that a neutral lipid (phosphatidylcholine) or positively charged valinomycin analogs didn't enhance the anti-biotic complexing capacity.
(17) Rabies virus, the gray fox, and the Alleghenian Biotic Region form a pathobiocenose; rabies in Virginia exists in a diffuse nidus, the Alleghenian Biotic Region.
(18) The two higher rates significantly reduced nymph-to-adult ratios, thereby lowering biotic potential and the capacity of a population to rebound from suppression.
(19) Anti-biotic therapy was started after a provisional diagnosis of acute pyogenic meningitis had been made.
(20) The prospects for biotic survival are grim by terrestrial standards, but the extremes of biological resiliency are inaccessible to evaluation.