What's the difference between item and molecule?

Item


Definition:

  • (adv.) Also; as an additional article.
  • (n.) An article; a separate particular in an account; as, the items in a bill.
  • (n.) A hint; an innuendo.
  • (n.) A short article in a newspaper; a paragraph; as, an item concerning the weather.
  • (v. t.) To make a note or memorandum of.

Example Sentences:

  • (1) An application is made to the validity of cancer risk items included in a cancer registry.
  • (2) To be fair to lads who find themselves just a bus ride from Auschwitz, a visit to the camp is now considered by many tourists to be a Holocaust "bucket list item", up there with the Anne Frank museum, where Justin Bieber recently delivered this compliment : "Anne was a great girl.
  • (3) A subsample of patients scoring over the recommended threshold (five or above) on the general health questionnaire were interviewed by the psychiatrist to compare the case detection of the general practitioner, an independent psychiatric assessment and the 28-item general health questionnaire at two different cut-off scores.
  • (4) Other Christmas favourites, including stollen, organic mince pies and Schweppes tonic will also be included among 100 seasonal products on the list of 1,000 items which shoppers can choose from over the next few months.
  • (5) Although various micronutrients (vitamins and trace elements) have also been found to have either a positive or negative association, findings were more clear-cut for the different food items contributing the micronutrients than for the specific micronutrients themselves.
  • (6) Nearly all 17 items of a behaviour rating scale had improved very significantly by the end of the fourth week, while in 82% of the patients of group A and 76% of group B results were rated good to very good.
  • (7) UPDATE II [Tues.] Two other items that may be of interest: first, Guardian editor-in-chief Alan Rusbridger was the guest for the full hour yesterday on Democracy Now, discussing the paper's role in reporting the NSA stories, and the video and transcript of the interview are here ; second, marking our collaboration on a series of articles about spying on Indians, the Hindu has a long interview with me on a variety of related topics, here .
  • (8) The ONS said it was possible that these one-off items and a rise in tax receipts in January could bring the overall debt figure within the OBR's £80.5bn forecast.
  • (9) An important step in instrument development is writing the items that are derived from concept analysis and validation.
  • (10) Case histories Citing some or all of the following cases makes you look knowledgeable: * Wilson v Love (1896) established that a charge was a penalty if it did not relate to the true cost of an item.
  • (11) In a BBC Radio 4 performance that attempts to underline his status as a normal bloke – although he admits he was too "square" to attract a girlfriend at university – Miliband's luxury item is a weekly chicken tikka masala from his local north London Indian takeaway.
  • (12) The performance of candidates on the geriatric medicine items on the American Board of Internal Medicine's 1980, 1981, and 1982 Certifying Examinations was analyzed.
  • (13) By using a quasi-A-B-A experimental design for the six abortion items that appeared in the Edmonton Area Survey for the years 1984, 1987, and 1988, we found that the order of presentation of the items affected dramatically the endorsement of the abortion items.
  • (14) The texture of a food item can be distinguished in hardness, toughness, stickiness, juiciness and chewability.
  • (15) Study of the clinical characteristics of depressive state by hemisphere stroke with the use of symptom items of Zung scale and Hamilton scale showed that patients in depressive state with right hemisphere stroke had high values in symptom items considered close to the essence of endogenous depression such as depressed mood, suicide, diurnal variation, loss of weight, and paranoid symptoms, while patients in depressive state with left hemisphere stroke had high values in symptom items having a nuance of so-called neurotic depression such as psychic anxiety, hypochondriasis, and fatigue.
  • (16) The objectivity of the items was proved by fourfold examination of the same sample group.
  • (17) As well as stocking second-hand items for purchase, charity shops such as Oxfam have launched Christmas gifts to provide specific help for poor communities abroad.
  • (18) Following this relaxation procedure, subjects were asked to complete a 20 item questionnaire in which a five point rating scale served as an index of the degree of acceptance of relaxation.
  • (19) Afghanistan will be the main item on the agenda at a meeting on Wednesdaybetween Cameron and Barack Obama in the Oval Office on the main day of the visit.
  • (20) Our own criteria for evaluating hypertension were employed on the basis of the following items: a past history of hypertension, blood pressure levels on admission and during hospitalization, degree of retinopathy, and ECG changes.

Molecule


Definition:

  • (n.) One of the very small invisible particles of which all matter is supposed to consist.
  • (n.) The smallest part of any substance which possesses the characteristic properties and qualities of that substance, and which can exist alone in a free state.
  • (n.) A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state; as, a molecule of water consists of two atoms of hydrogen and one of oxygen. Cf. Atom.

Example Sentences:

  • (1) A series of human cDNA clones of various sizes and relative localizations to the mRNA molecule were isolated by using the human p53-H14 (2.35-kilobase) cDNA probe which we previously cloned.
  • (2) Glucocorticoids have numerous effects some of which are permissive; steroids are thus important not only for what they do, but also for what they permit or enable other hormones and signal molecules to do.
  • (3) The results demonstrated that K2PtCl4 was bound to a greater degree than CDDP in this system with 3-5 and 1-2 platinum atoms respectively, bound per transferrin molecule.
  • (4) Complementarity determining regions (CDR) are conserved to different extents, with the first CDR region in all family members being among the most conserved segments of the molecule.
  • (5) Even with hepatic lipase, phospholipid hydrolysis could not deplete VLDL and IDL of sufficient phospholipid molecules to account for the loss of surface phospholipid that accompanies triacylglycerol hydrolysis and decreasing core volume as LDL is formed (or for conversion of HDL2 to HDL3).
  • (6) However, the presence of these two molecules was restored if testosterone was supplemented immediately after orchiectomy.
  • (7) In the second approach, attachment sites of DTPA groups were directed away from the active region of the molecule by having fragment E1,2 bound in complex, with its active sites protected during the derivatization.
  • (8) PMNs could be primed for PMA-triggered oxidative burst by muramyl peptide molecules (MDP) and two of its adjuvant active nonpyrogenic derivatives.
  • (9) These same molecules may be equally responsible for the pathologic characteristics of the immune response seen, for example, in inflammatory bowel diseases.
  • (10) A cDNA library prepared from human placenta has been screened for sequences coding for factor XIIIa, the enzymatically active subunit of the factor XIII complex that stabilizes blood clots through crosslinking of fibrin molecules.
  • (11) T cell costimulation by molecules on the antigen presenting cell (APC) is required for optimal T cell proliferation.
  • (12) The lipid A moiety was shown to be responsible for this novel biological activity of the LPS molecule.
  • (13) Both systems indicated that the Kupffer cell modified endotoxin by enriching the lipid content of the molecule and shortening the length of the O-antigen.
  • (14) Photoreactions induced in that proper sensitizer molecules absorb UV-light or visible light.
  • (15) At 100 microM-ACh the apparent open time became shorter probably due to channel blockade by ACh molecules.
  • (16) Flow cytofluorometric analysis of the strain distribution of the molecules defined by the mAb revealed that two of the antibodies (I-22 and III-5) were directed against nonpolymorphic determinants of Thy-1, whereas V-8 mAb reacted only with Thy-1.2+ lymphocytes.
  • (17) At a fixed concentration of nucleotide the effectiveness of elution was proportional to the charge on the eluting molecule.
  • (18) The relative rates of reduction of several spin-labeled molecules that partition differently across the hy-drophobic-interface of inner membranes from rat liver mitochondria were investigated.
  • (19) The seve polypeptide chains investigated had generalyy similar properties; all contained two residues per molecule of tryptophan and N-acetylserine was the common N-terminal amino acid residue.
  • (20) Much information has accumulated on the isolation and characterization of a heterogeneous group of molecules that inhibit one or more of the bioactivities of interleukin 1.