What's the difference between assay and essay?

Assay


Definition:

  • (n.) Trial; attempt; essay.
  • (n.) Examination and determination; test; as, an assay of bread or wine.
  • (n.) Trial by danger or by affliction; adventure; risk; hardship; state of being tried.
  • (n.) Tested purity or value.
  • (n.) The act or process of ascertaining the proportion of a particular metal in an ore or alloy; especially, the determination of the proportion of gold or silver in bullion or coin.
  • (n.) The alloy or metal to be assayed.
  • (v.) To try; to attempt; to apply.
  • (v.) To affect.
  • (v.) To try tasting, as food or drink.
  • (v.) To subject, as an ore, alloy, or other metallic compound, to chemical or metallurgical examination, in order to determine the amount of a particular metal contained in it, or to ascertain its composition.
  • (v. i.) To attempt, try, or endeavor.

Example Sentences:

  • (1) Results by these three assays were also highly reproducible.
  • (2) However, when first trimester specimens were analyzed, the direct-product measurements were significantly larger than the corresponding 3H2O assay results.
  • (3) This difference was not due to ATPase activity in the assay.
  • (4) Immunocytochemistry was used to visualize cytoskeletal structures and to assay selective disruption of neurofilaments by acrylamide.
  • (5) After 2 weeks, the native and heterotopic pituitaries were assayed for SP, TSH, PRL, and LH.
  • (6) Proliferation assays using F3 showed that 15 (14 CD4+ and 1 CD8+) of the 18 isolated clones were specific for T. gondii.
  • (7) The transported pIgA was functional, as evidenced by its ability to bind to virus in an ELISA assay and to protect nonimmune mice against intranasal infection with H1N1 but not H3N2 influenza virus.
  • (8) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).
  • (9) The enzyme, when assayed as either a phospholipase A2 or lysophospholipase, exhibited nonlinear kinetics beyond 1-2 min despite low substrate conversion.
  • (10) The increase in red blood cell mass was associated with an elevation in erythropoietic stimulatory activity in serum, pleural fluid, and tumor-cyst fluid as determined by the exhypoxic polycythemic mouse assay.
  • (11) The hprt T-cell cloning assay allows the detection of mutations occurring in vivo in the hypoxanthine-guanine phosphoribosyltransferase (hprt) gene of T-lymphocytes.
  • (12) Estimates of potential for gastrointestinal side effects using the rat enteropooling assay and in vivo monkey effects indicate that diarrhea will be substantially reduced with retention of uterine stimulating potency.
  • (13) Optimum rates of acetylene reduction in short-term assays occurred at 20% O2 (0.2 atm (1 atm = 101.325 kPa] in the gas phase.
  • (14) We have measured the antibody specificities to the two polysaccharides in sera from asymptomatic group C meningococcal carriers and vaccinated adults by a new enzyme-linked immunosorbent assay (ELISA) procedure using methylated human serum albumin for coating the group C polysaccharide onto microtiter plates.
  • (15) Plasma for beta-endorphin assay was preincubated with sepharose-bound anti-beta-lipotropin to remove beta-lipotropin that cross-reacted with the beta-endorphin RIA.
  • (16) For the detection of this antigen, a double antibody sandwich enzyme-linked immunosorbent assay (ELISA) was employed.
  • (17) In fact, the addition of conditioned medium obtained by 48 hr preincubation of isolated monocytes with 10% PF-382 supernatant (M-CM2) or the concomitant addition of supernatant from PF-382 cells (PF-382-CM) and from unstimulated monocytes (M-CM1) are capable of fully replacing the presence of monocytes in the BFU-E assay.
  • (18) Congenitally deficient plasmas were used as the substrate for the measurement of procoagulant activities in a one-stage clotting assay.
  • (19) Nevertheless, this LTR does not govern efficient transcription of adjacent genes in a transient expression assay.
  • (20) A one point dilution enzyme-linked immunosorbent assay (ELISA) procedure suitable for determining immunoglobulin G (IgG) antibody levels to Toxoplasma gondii (T. gondii) in community seroepidemiological surveys is described.

Essay


Definition:

  • (n.) An effort made, or exertion of body or mind, for the performance of anything; a trial; attempt; as, to make an essay to benefit a friend.
  • (n.) A composition treating of any particular subject; -- usually shorter and less methodical than a formal, finished treatise; as, an essay on the life and writings of Homer; an essay on fossils, or on commerce.
  • (n.) An assay. See Assay, n.
  • (n.) To exert one's power or faculties upon; to make an effort to perform; to attempt; to endeavor; to make experiment or trial of; to try.
  • (n.) To test the value and purity of (metals); to assay. See Assay.

Example Sentences:

  • (1) Two days after Michael Morpurgo, author of War Horse , published a beautiful essay calling for this year's First World War commemorations to " honour those who died " and "celebrate the peace we now share", Michael Gove has delivered the government's response.
  • (2) The rationale for pursuing the development and use of germ-line selection and modification techniques is examined in this essay.
  • (3) This essay reviews research on interhemispheric transfer time derived from simple unimanual reaction time to hemitachistoscopically presented visual stimuli.
  • (4) What is correct in a tweet might not be in an essay; no single register of English is right for every occasion.
  • (5) Unsurprisingly, one of the three lonely references at the end of O'Reilly's essay is to a 2012 speech entitled " Regulation: Looking Backward, Looking Forward" by Cass Sunstein , the prominent American legal scholar who is the chief theorist of the nudging state.
  • (6) The present essay gives a brief review of the findings on sex differences in the human brain.
  • (7) Evidence exists in the literature to suggest that the reliability of short (c. 10 minutes) essay questions may be higher.
  • (8) This pictorial essay should assist the radiologist in recognizing esophageal abnormalities on chest films and in recognizing their place in the spectrum of chest film abnormalities.
  • (9) This two-part essay identified major characteristics of War Surgery and explores the essential training and education required to prepare civilian and military surgeons for the practice of war surgery.
  • (10) They then wrote essays justifying their ideas for the new classroom; provided a budget, using a variety of maths skills; created an inventory of furniture, lighting and other items; producing a 3D scale model of their classroom and a 2D computer-generated picture.
  • (11) In the last part of the essay he discusses the characteristics of traditional Chinese medical ethics.
  • (12) Upon further consideration, we concluded the essay did not include some key facts and its overall tone was not consistent with what we seek to publish.
  • (13) You can date the phrase back further, to 1998, when Peggy McIntosh used the word "privilege" in her essay White Privilege: Unpacking the Invisible Knapsack .
  • (14) Over the past 40 years her voice has been marked, first and foremost, by a supreme intellectual confidence, a tone evident from the first line of the first essay (Notes on Camp) that made her name in 1964: "Many things in the world have not been named.
  • (15) The life of Oliver Wendell Holmes was selected as the subject for a lecture in the 1974 History of Medicine series at Yale University School of Medicine because, as the Latin subtitle of the essay suggests, he represents a fortunate and uncommon, but by no means unique, synthesis of the practical and aesthetic, of science and the humanities.
  • (16) Facebook Twitter Pinterest In an essay for the Hollywood Reporter, Camille Paglia writes that Swift promotes a ‘silly, regressive public image’.
  • (17) In a 2010 essay, Berman wrote of visiting the Bronx again, with trepidation, fearing that the borough's notorious self-immolation would have left nothing of the world he remembered.
  • (18) Batoor is a talented photojournalist who worked on the PR team at the US Embassy in Kabul before he was targeted for a bold and confronting photo essay on the exploitation of Afghanistan’s "dancing boys" in the Washington Post.
  • (19) Today we are starting a new series called ‘Facing my fear’, launching with an essay from a young widow who had to return to the city where she first met her late husband .
  • (20) As Geoff Dyer notes in his essay for Dewe Mathews's book, her images may "bear a conceptual resemblance to Sternfeld's, but they are taken within the already charged zone of memory that is the Western Front.