(n.) The act of purifying; the act or operation of separating and removing from anything that which is impure or noxious, or heterogeneous or foreign to it; as, the purification of liquors, or of metals.
(n.) The act or operation of cleansing ceremonially, by removing any pollution or defilement.
(n.) A cleansing from guilt or the pollution of sin; the extinction of sinful desires, appetites, and inclinations.
Example Sentences:
(1) During enzyme purification two nucleases were identified.
(2) Change of steps in achieved just by varying the reaction conditions without any product purification.
(3) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
(4) Stable factor-dependent B-cell hybridomas were used to monitor the purification of the growth factor from the supernatant of a clonotypically stimulated mouse helper T-cell clone.
(5) After immunoadsorbent purification, the final step in a purification procedure similar to that adopted for colon cancer CEA, two main molecular species were identified: 1) Material identical with colon cancer CEA with respect to molecular size, PCA solubility, ability to bind to Con A, and most important the ability to bind to specific monkey anti-CEA serum.
(6) Currently there are no IOC approved definitive tests for these hormones but highly specific immunoassays combined with suitable purification techniques may be sufficient to warrant IOC approval.
(7) A rapid method is described for the purification and analysis of synthetic oligonucleotides, based on reversed-phase high-performance liquid chromatography.
(8) The influence of exogenous mitogens (RFG, TGF beta 1 and insulin) and autocrine factor (at different step of purification) on the growth of Morris hepatoma 7777 (MH) cells was estimated by both methods.
(9) In a previous publication the purification and properties of two protein kinases (KI and KII) from a soluble fraction of bovine corpus luteum and the stimulation of the latter fol.
(10) for 48 h followed by Leydig cell isolation and purification resulted in a decrease in the maxima of hCG-induced cAMP accumulation and testosterone production by approximately 70% and approximately 55%, respectively, when compared to cells of control mice.
(11) These plasmids allow expression of native or truncated forms of the enzyme and easy purification of the products.
(12) The enzyme extracted from strains containing the recombinant plasmid was identical to N. crassa catabolic dehydroquinase by the criteria of heat stability, ammonium sulfate fractionation, immunological crossreactivity, molecular weight, and purification characteristics.
(13) Three triacetinases (A, B and C) were shown to undergo reciprocal conversions under storage and during some purification procedures (effect of pH, ionic strength, ion-exchange chromatography, concentration, lyophilization, etc.).
(14) Sindbis virus nucleocapsids were isolated from mature virions by a two-step purification method.
(15) The major scrapie prion protein, designated PrP 27-30, exhibited both charge and size heterogeneity after purification from infected hamster brains.
(16) We have used this procedure successfully during the purification of epidermal glycoproteins.
(17) The purification and concentration of these viruses in their monomeric forms is hazardous when conventional "tube" rotors are used since they invariably result in dissociation and aggregation of the virus particles.
(18) These methods can be applied to the purification and characterization of the as yet undefined secretory and circulating forms of PTHrP.
(19) The possibility that mammalian DNA topoisomerase II is an intracellular target which mediates drug-induced DNA breaks is supported by the following studies using 4'-(9-acridinylamino)methane-sulfon-m-anisidide (m-AMSA): (a) a single m-AMSA-dependent DNA cleavage activity copurified with calf thymus DNA topoisomerase II activity at all chromatographic steps of the enzyme purification; (b) m-AMSA-induced DNA cleavage by this purified activity resulted in the covalent attachment of protein to the 5'-ends of the DNA via a tyrosyl phosphate bond.
(20) These experiments may provide the basis for the expanded use of immobilized lectins for purification and characterization of hydrolases and other glycoproteins.
Refining
Definition:
(p. pr. & vb. n.) of Refine
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.