What's the difference between purify and rectify?

Purify


Definition:

  • (v. t.) To make pure or clear from material defilement, admixture, or imperfection; to free from extraneous or noxious matter; as, to purify liquors or metals; to purify the blood; to purify the air.
  • (v. t.) Hence, in figurative uses: (a) To free from guilt or moral defilement; as, to purify the heart.
  • (v. t.) To free from ceremonial or legal defilement.
  • (v. t.) To free from improprieties or barbarisms; as, to purify a language.
  • (v. i.) To grow or become pure or clear.

Example Sentences:

  • (1) Competition with the labelled 10B12 MAb for binding to the purified antigen was demonstrated in sera of tumor-bearing and immune rats.
  • (2) Previous attempts to purify this enzyme from the liquid endosperm of kernels of Zea mays (sweet corn) were not entirely successful owing to the lability of partially purified preparations during column chromatography.
  • (3) The nuclear origin of the Ha antigen was confirmed by the speckled nuclear immunofluorescence staining pattern given by purified antibody to Ha obtained from a specific immune precipitate.
  • (4) The quaternary structure of ribonucleotide reductase of Escherichia coli was investigated, with the use of purified B1 and B2 proteins and bifunctional cross-linking agents.
  • (5) Western blot analysis of these mitochondria using an antibody against carnitine palmitoyltransferase II purified from beef heart demonstrates a 68-kDa protein, which under ischemic conditions apparently is decreased by 2 kDa.
  • (6) ASF-II was purified to apparent homogeneity by using concanavalin A-agarose affinity chromatography, DEAE-cellulose chromatography, alumina gel adsorption, and isoelectric focussing techniques.
  • (7) The enzyme was solubilized by Triton X-100 and purified approximately 480-fold by gel filtration and affinity chromatography on alanine methyl ketone-AH-Sepharose 4B.
  • (8) The DNA untwisting enzyme has been purified approximately 300-fold from rat liver nuclei.
  • (9) heterografts of GW-39, a CEA-producing colonic tumor of human origin, was demonstrated in radioimmunoassay using radioiodinated CEA purified from GW-39.
  • (10) Four new monochain phospholipases were purified from the Oxyuranus scutellatus (taipan) venom.
  • (11) By growing purified human cytotrophoblasts under serum-free conditions and manipulating the culture surface, we were able to disassociate morphologic from biochemical differentiation.
  • (12) Lysates of cells were compared to purified DNA as PCR template.
  • (13) Histone mRNA, labeled with 32P or 3H-methionine during the S phase of partially synchronized HeLa cells, was isolated from the polyribosomes and purified as a "9S" component by sucrose gradient sedimentation.
  • (14) Proliferation of quiescent hematopoietic stem cells, purified by cell sorting and evaluated by spleen colony assay (CFU-S), was investigated by measuring the total cell number and CFU-S content and the DNA histogram at 20 and 48 hours of liquid culture.
  • (15) Adult nonpregnant female rhesus monkeys fed purified diets containing 100 or 4 ppm zinc for 1 yr were mated then studied through midgestation.
  • (16) Monoclonal antibodies (mAbs) against the soluble form (S-COMT) of catechol-O-methyltransferase (COMT, EC 2.1.1.6) were produced using a purified preparation of the enzyme from pig liver as antigen.
  • (17) Transcription studies in vitro on repression of the tryptophan operon of Escherichia coli show that partially purified trp repressor binds specifically to DNA containing the trp operator with a repressor-operator dissociation constant of about 0.2 nM in 0.12 M salt at 37 degrees , a value consistent with the extent of trp operon regulation in vivo.
  • (18) The specificity of the assay was established by competitive displacement of 125I-labeled arginine-rich protein from its antiserum by arginine-rich protein and lipoproteins containing this protein, but not by rat albumin or other purified apolipoproteins.
  • (19) To augment the in vitro expansion of LAK cells, we added highly purified human recombinant interleukin-2, phytohemagglutinin and accessory cells (Uc cells) to the LAK culture system, with which huge number of LAK cells (LAK-L) were generated from originally small number of peripheral blood lymphocytes of cancer patients.
  • (20) This enzyme was purified to homogeneity and exhibited an apparent molecular weight of 36,000 on sodium dodecyl sulfate gels and 180,000 on a TSK G-3000SW column in the presence of Triton X-100.

Rectify


Definition:

  • (v. t.) To make or set right; to correct from a wrong, erroneous, or false state; to amend; as, to rectify errors, mistakes, or abuses; to rectify the will, the judgment, opinions; to rectify disorders.
  • (v. t.) To refine or purify by repeated distillation or sublimation, by which the fine parts of a substance are separated from the grosser; as, to rectify spirit of wine.
  • (v. t.) To produce ( as factitious gin or brandy) by redistilling low wines or ardent spirits (whisky, rum, etc.), flavoring substances, etc., being added.

Example Sentences:

  • (1) A sample of 154 randomly selected, full-wave rectified and filtered electromyographic recordings was evaluated using a test-retest paradigm.
  • (2) At low concentrations, the current-voltage relations are inwardly rectifying, but they become more ohmic if a small amount of divalent cations is added externally.
  • (3) A voltage-sensitive K+ channel with characteristics of the delayed rectifier was studied in NG108-15 cells using the cell-attached patch-clamp technique.
  • (4) -57 mV) induced a large voltage-dependent inward current which has been identified as the K current through the anomalous rectifier (Ianomal.).
  • (5) Single atrial myocytes were enzymatically isolated from the bull-frog as previously described (Hume & Giles, 1981), and patch-clamp techniques were used in an attempt to identify and separate two inwardly rectifying K+ channels in this tissue.
  • (6) Neither a steady-state component (Is-s) nor a slowly activated component (Irise) of inward rectifier currents were observed in fibres of P0 and P4 mice.
  • (7) Opioid activation of the inward rectifying conductance resulted in small outward potassium currents at resting membrane potentials and increased inward currents at hyperpolarized potentials.
  • (8) The dependence of the current activation and inactivation on the membrane potential was consistent with that of a delayed K+ rectifier.
  • (9) If such errors are to be rectified systematically to provide a sustainable improvement in field placement accuracy over a course of treatment, the origins of the errors require unambiguous identification.
  • (10) Therapy depends upon determining the precise etiology for the fall and rectifying contributing factors.
  • (11) A channel exhibiting fast, voltage-dependent transitions between different conductance states may behave as an intrinsic rectifier.
  • (12) These results showed that some of the organic compounds released by cells during regulatory volume decrease could diffuse through this outwardly rectifying anionic channel.
  • (13) Treatment with recombinant human TNF-alpha (rhTNF) for 24 to 72 hr produces (i) process retraction in some but not all OLGs, (ii) a reduction in the resting membrane potential with no significant change in membrane capacitance or input resistance over control cells and (iii) a decrease in the expression of both the inwardly rectifying and outward K+ current.
  • (14) "And charging citizens to hold power to account is not the way to rectify an existing imbalance or promote a more meaningful democracy."
  • (15) Edi was recorded by an esophageal electrode, rectified, and then integrated, and peak values during inspiration were measured.
  • (16) Nothing I can say will rectify that,” said Reid, who worked for the Metropolitan police service’s specialist search unit for 26 years, before retiring in 2011.
  • (17) To rectify the situation, we adapted the anchored polymerase chain reaction to clone and analyze rapidly the expressed V genes for three anti-virus IgG antibodies.
  • (18) Retailers work very quickly to rectify these mistakes whenever they are found."
  • (19) The inward rectifier in lens has the necessary properties to be involved in setting resting voltage.
  • (20) The effects of intracellular pH on an inwardly rectifying K+ channel ("Kin channel") in opossum kidney (OK) cells were examined using the patch-clamp technique.