(n.) A marking off by visible signs; separation into parts; division.
(n.) The act of distinguishing or denoting the differences between objects, or the qualities by which one is known from others; exercise of discernment; discrimination.
(n.) That which distinguishes one thing from another; distinguishing quality; sharply defined difference; as, the distinction between real and apparent good.
(n.) Estimation of difference; regard to differences or distinguishing circumstance.
(n.) Conspicuous station; eminence; superiority; honorable estimation; as, a man of distinction.
Example Sentences:
(1) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
(2) The populations of Asia-Oceania have some features of the class II RFLPs in common, which are distinctly different from Caucasoids.
(3) From the biochemical markers in follicular fluid, cyclic adenosine monophosphate has a distinct predictive value in regard to pregnancy in in vitro fertilization-embryo transfer cycles.
(4) Nucleotide sequence analysis of cDNAs for asparagine synthetase (AS) of Pisum sativum has uncovered two distinct AS mRNAs (AS1 and AS2) encoding polypeptides that are highly homologous to the human AS enzyme.
(5) Recognition of the distinctive morphology of MH and the performance of ancillary studies on cytologic preparations should facilitate the rapid diagnosis and early treatment of this aggressive disease.
(6) It has been found that the epidermal staining pattern for ICAM-1 in each of these diseases in distinctive and different in each disease.
(7) We identified four distinct clinical patterns in the 244 patients with true positive MAI infections: (a) pulmonary nodules ("tuberculomas") indistinguishable from pulmonary neoplasms (78 patients); (b) chronic bronchitis or bronchiectasis with sputum repeatedly positive for MAI or granulomas on biopsy (58 patients, virtually all older white women); (c) cavitary lung disease and scattered pulmonary nodules mimicking M. tuberculosis infection (12 patients); (d) diffuse pulmonary infiltrations in immunocompromised hosts, primarily patients with AIDS (96 patients).
(8) [125I]AaIT was shown to cross the midgut of Sarcophaga through a morphologically distinct segment of the midgut previously shown to be permeable to a cytotoxic, positively charged polypeptide of similar molecular weight.
(9) Three distinct G-proteins have been found in mammalian heart sarcolemma: Gi (alpha i = 40 kDa, beta = 36 kDa, and lambda less than 14 kDa), Gp (alpha p = 23 kDa, beta = 36 kDa, and lambda less than 14 kDa), and Gs (alpha s = 42 kDa).
(10) Two lectins, wheat germ agglutinin (WGA) and peanut agglutinin (PNA), were used to compare domains within the interphotoreceptor matrices (IPM) of the cat and monkey, two species where the morphological relationship between the retinal pigment epithelium (RPE) and photoreceptors is distinctly different.
(11) The second protein could represent either an allozymic form of the enzyme or the product of a distinct locus.
(12) Chromatographic separation revealed that the bulk (85%) of the mitogenic activity in SSV-transformed NRK cells was not due to p28v-sis but rather two distinct endothelial cell growth factors that eluted off heparin-Sepharose between 1 and 2 M NaCl.
(13) The shape of the nucleus changes from ovoid to a distinctive, radially splayed lobulated structure.
(14) Three distinct antigenic regions of bovine somatotropin (bST) were identified on the basis of the ability of a set of monoclonal antibodies to bind to proteolytic fragments and deletion variants of recombinant bST (rbST) in Western blot analyses.
(15) A rapid and simple method has been developed for the nondestructive distinction between aflatoxin B1 and the feed antioxidant, ethoxyquin.
(16) Each of the phospholipid classes displayed a distinctive fatty acid pattern which was the same in all fractions and in whole platelets.
(17) Two human B-cell differentiation antigens, Bp35 and Bp50, apparently play distinct roles as signal receptors in B-cell activation.
(18) The region is distinctive in that the sequence is absent from the homologous domain of the erythroid alpha chain and diverges from the normal internal repeat structure observed throughout other spectrins.
(19) Therefore, a mortality analysis of overall survival time alone may conceal important differences between the forces of mortality (hazard functions) associated with distinct states of active disease, for example pre-remission state and first relapse.
(20) Ovarian clear cell adenocarcinoma has distinctly different clinical behavior compared to serous carcinoma and should be regarded as an aggressive epithelial histologic type.
Refinement
Definition:
(n.) The act of refining, or the state of being refined; as, the refinement or metals; refinement of ideas.
(n.) That which is refined, elaborated, or polished to excess; an affected subtilty; as, refinements of logic.
Example Sentences:
(1) The patients had a high AP, consumed more alcohol, were more well-fed, older and consumed more refined carbohydrates per 1 kg bw and less cholesterol and vegetable protein.
(2) After restrained least-squares refinement of the enzyme-substrate complex with the riboflavin omitted from the model, additional electron density appeared near the pyrophosphate, which indicated the presence of an ADPR molecule in the FAD binding site of PHBH.
(3) Well-refined x-ray structures of the liganded forms of the wild-type and a mutant protein isolated from a strain defective in chemotaxis but fully competent in transport have provided a molecular view of the sugar-binding site and of a site for interacting with the Trg transmembrane signal transducer.
(4) To meet these prerequisites we have introduced some technical refinements: (1) computer-controlled rectilinear translations of the target in combination with different angular positions of the source and (2) computer-controlled rotations of the target around a vertical axis in combination with different angular positions of the source.
(5) Percutaneous transhepatic biliary drainage (PTBD) was conceptualized more than 35 years ago, but its clinical application only flourished in the past 10 years after a number of technical refinements.
(6) In 1984 the press-fit condylar knee was first introduced and was intended to provide a condylar knee system primarily for posterior cruciate retention that addressed refinements in metallurgy, prosthetic geometry and sizing, cementless fixation, inventory management, and instrumentation.
(7) Obviously, the sheer number of lasers being used both clinically and experimentally indicates a great potential for further advancement and refinement in technique and surgical outcomes.
(8) Phases from x-ray structure factors (R = 0.43) computed from this model were then used in the calculation of another electron density map against which the model was further refined.
(9) Staging classifications are being refined to reflect increasing knowledge of important prognostic indicators, e.g., absence or presence of lymph node involvement, pattern of lymph node involvement, and absence or presence of visceral disease.
(10) The ordered aspect of the genetic code table makes this result a plausible starting point for studies of the origin and evolution of the genetic code: these could include, besides a more refined optimization principle at the logical level, some effects more directly related to the physico-chemical context, and the construction of realistic models incorporating both aspects.
(11) The structure of Mn(III) superoxide dismutase (Mn(III)SOD) from Thermus thermophilus, a tetramer of chains 203 residues in length, has been refined by restrained least-squares methods.
(12) Based on the refined atomic coordinates of the tRNAphe in the orthorhombic crystal, on the recent advances in the distance dependence of the ring-current magnetic field effects and on the adopted values for the isolated hydrogen-bonded NH resonances, a computed spectrum consisting of 23 protons was constructed.
(13) It can be used as a simple screening procedure to help determine which of many possible anthelmintic control strategies should be selected for more detailed examination in the field, and it provides a theoretical framework within which ideas concerning the epidemiology of parasitic gastroenteritis can be assessed and refined.
(14) The advances in lid and orbital surgery are due to the improvements made in diagnostic equipment and to technical refinements.
(15) The group’s refining business performed better than expected, more than doubling profit to $2.2bn from $1bn.
(16) They also suggest that both the migration of cortical neurons on glia and the refinement of the mapping between the peripheral whisker field and its cortical representation may depend upon the distribution of substrate adhesion molecules.
(17) Thus the present study gives support for a protective effect associated with a fiber-rich or vegetable-rich diet, while it indicates that frequent consumption of refined starchy foods, eggs and fat-rich foods such as cheese and red meat is a risk factor for colo-rectal cancer.
(18) Synthesis and discussion is focused on five major areas in which gerontological continuity and change are evidenced: 1) transformation of basic themes over time; 2) gerontology's identity crisis; 3) the social ideology of gerontology; 4) evolution and refinement of gerontological ideas and methods; and 5) temporal frameworks.
(19) The course content and format were refined after 11 pharmacists completed a pilot program.
(20) This has led to important advances in our understanding of the mechanism of axonal guidance, the physiology of neurotrophic factors and the establishment and refinement of neural connections.