What's the difference between identity and purity?

Identity


Definition:

  • (n.) The state or quality of being identical, or the same; sameness.
  • (n.) The condition of being the same with something described or asserted, or of possessing a character claimed; as, to establish the identity of stolen goods.
  • (n.) An identical equation.

Example Sentences:

  • (1) On the other hand, the LAP level, identical in preterms and SDB, is lower than in full-term infants but higher than in adults.
  • (2) The binding properties of formalin-fixed amelanotic melanoma cells were not identical to those of endothelial or unfixed target cells.
  • (3) Between 22 HLA-identical siblings and 16 two-haplotype different siblings, a significant difference in concordance of reactions for the B-cell groups was noted.
  • (4) However, the groups often paused less and responded faster than individual rats working under identical conditions.
  • (5) Historical analysis shows that institutions and special education services spring from common, although not identical, societal and philosophical forces.
  • (6) Amino acid sequence analysis showed that both peaks had identical N-terminal sequences through the first 28 residues.
  • (7) Pain is not reported in the removal area, the clinical examinations show identical findings on both patellar tendons, X-ray and ultrasound evaluations do not demonstrate any change in patellar position.
  • (8) However, its identity requires further characterization.
  • (9) Examination of the SON in such animals revealed that the oxytocinergic system is already modified by day 12 of dioestrus; during suckling-induced lactation, the anatomical changes are identical to those seen during a normal post-partum lactation.
  • (10) In the process, HDL3 became larger and eluted in a position identical to that of HDL2.
  • (11) However, both were identical in size when synthesized in COS-1 cells in the presence of tunicamycin or when deglycosylated after their synthesis in Xenopus oocytes.
  • (12) The reduction rates of peripheral leukocytes, lung Schiff bases and lung water content were not identical in rats depleted from leukocyte after inhalation injury.
  • (13) In a double-blind, crossover-designed study, 9 male subjects (age range: 18-25 years) received 25 mg orally, four times per day of either S or an identically-appearing placebo (P) 2 d prior to and during HA.
  • (14) In these bitches, a strain of E coli identical to the strain in the infected uterus was isolated.
  • (15) Identical results were obtained in adult and 30 d-old male rats.
  • (16) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
  • (17) 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.
  • (18) This cDNA was obtained because of an identical 10 bp match with the 3' end of one of the GnRH primers.
  • (19) Sera from three of these patients gave a precipitin band in gel diffusion tests identical to that produced by a monospecific rabbit anti-E. granulosus antigen 5 serum, when tested against whole hydatid fluid.
  • (20) We previously established that the binding constant (Ka) of this receptor site for the chemically synthesized model AGE, 2-(2-furoyl)-4(5)-(2-furanyl)-1H- imidazole-butyric acid (FFI-BA), on cells of the mouse macrophagelike cell line RAW 264.7 is identical to that for AGE proteins.

Purity


Definition:

  • (n.) The condition of being pure.
  • (n.) freedom from foreign admixture or deleterious matter; as, the purity of water, of wine, of drugs, of metals.
  • (n.) Cleanness; freedom from foulness or dirt.
  • (n.) Freedom from guilt or the defilement of sin; innocence; chastity; as, purity of heart or of life.
  • (n.) Freedom from any sinister or improper motives or views.
  • (n.) Freedom from foreign idioms, or from barbarous or improper words or phrases; as, purity of style.

Example Sentences:

  • (1) Fluorination with [18F]acetylhypofluorite yields 6-[18F]fluoro-L-dopa with 95% radiochemical purity; fluorination of the same substrate with [18F]F2 yields a mixture of all three structural isomers in a ratio of 70:16:14 for 6-, 5-, and 2-fluoro compounds.
  • (2) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
  • (3) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
  • (4) The observed purity under the selected conditions ranges from 80%-99% and is in accordance with the estimates of the purities made on the basis of the simultaneously recorded pulse shapes.
  • (5) When PMC purified to greater than 99% purity were cultured in methylcellulose with IL-3 and IL-4, approximately 25% of the PMC formed colonies, all of which contained both berberine sulfate-positive and berberine sulfate-negative mast cells.
  • (6) The Nazi party’s office of racial purity claimed that the Jewish character was essentially drug-dependent.
  • (7) It is suggested that more attention be paid to the 'purity' of scales if meaningful interpretation is to be made in treatment assessment.
  • (8) Based on the ratio of plasma membrane marker enzyme activity determined in the nuclear preparation, the purity of the isolated nuclei was ascertained.
  • (9) In contrast to high-purity commercial concentrates, fibronectin was considerably concentrated.
  • (10) The curiously double nature of the virgin in this tale, her purity versus her duplicity, seems unquestionably related to the infantile split mother, as elucidated by Klein--a connection explored in an earlier paper.
  • (11) Using 14C-labelled nitrous bases as starting substrates, labelled nucleosides and nucleotides can be obtained with the 75-80% yield that have radioactive purity of 95-99%.
  • (12) Purity was controlled by disc electrophoresis on polyacrylamide e gels at pH 4.3 and by two dimensional immunoelectrophoresis, respectively.
  • (13) The enzyme obtained by this procedure has both the biochemical and the spectral properties of EPO and shows a reasonable degree of purity, as judged by its rz value.
  • (14) Intact Golgi apparatus have been isolated with good purity from rat testis by a simplified sucrose gradient technique.
  • (15) Finally the higher purity degree of monoclonal antibodies in the cell culture supernatant is also a major advantage of serum free media.
  • (16) Once availed of the fallacy that athletes are role models, there’s a certain purity that feels almost quaint in an era of athlete as brand.
  • (17) A sensitive and specific analytical method was developed to determine the enantiomeric purity of naproxen.
  • (18) It imposes a standard of logical reductionism and methodological purity that not only violates the nature of psychoanalytic knowledge, but imposes an invalid standard of verification and scientific confirmation.
  • (19) Under these conditions, 79--100% of the cells were removed, yielding epithelial fractions of 65--90% purity.
  • (20) The purity of each sample was assured by measurement of the protein concentration of each sample and comparison of this parameter to known normal values for perilymph, serum, and CSF.