(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.
Poor
Definition:
(superl.) Destitute of property; wanting in material riches or goods; needy; indigent.
(superl.) So completely destitute of property as to be entitled to maintenance from the public.
(superl.) Destitute of such qualities as are desirable, or might naturally be expected
(superl.) Wanting in fat, plumpness, or fleshiness; lean; emaciated; meager; as, a poor horse, ox, dog, etc.
(superl.) Wanting in strength or vigor; feeble; dejected; as, poor health; poor spirits.
(superl.) Of little value or worth; not good; inferior; shabby; mean; as, poor clothes; poor lodgings.
(superl.) Destitute of fertility; exhausted; barren; sterile; -- said of land; as, poor soil.
(superl.) Destitute of beauty, fitness, or merit; as, a poor discourse; a poor picture.
(superl.) Without prosperous conditions or good results; unfavorable; unfortunate; unconformable; as, a poor business; the sick man had a poor night.
(superl.) Inadequate; insufficient; insignificant; as, a poor excuse.
(superl.) Worthy of pity or sympathy; -- used also sometimes as a term of endearment, or as an expression of modesty, and sometimes as a word of contempt.
(superl.) Free from self-assertion; not proud or arrogant; meek.
(n.) A small European codfish (Gadus minutus); -- called also power cod.
Example Sentences:
(1) There was appreciable variation in toothbrush wear among subjects, some reducing their brush to a poor state in 2 weeks whereas with others the brush was rated as "good" after 10 weeks.
(2) However, medicines have an important part to play, and it is now generally agreed that for the very poor populations medicines should be restricted to those on an 'essential drugs list' and should be made available as cheaply as possible.
(3) Inadequate treatment, caused by a lack of drugs and poorly trained medical attendants, is also a major problem.
(4) Clonazepam was added to the treatment of patients with poorly controlled epilepsy in a double-blind trial and an open trial.
(5) "There is a serious risk that a deal will be agreed between rich countries and tax havens that would leave poor countries out in the cold.
(6) The dangers caused by PM10s was highlighted in the Rogers review of local authority regulatory services, published in 2007, which said poor air quality contributed to between 12,000 and 24,000 premature deaths each year.
(7) Maybe the world economy goes tits up again, only this time we punish the rich instead of the poor.
(8) Poor radioresponders of glioblastoma with CEA should be reoperated.
(9) Poor lipophilicity and extremely low plasma concentrations impose severe constraints.
(10) However, each of the studies had numerous methodological flaws which biased their results against finding a relationship: either their outcome measures had questionable validity, their research designs were inappropriate, or the statistical analyses were poorly conceived.
(11) Symptoms were poorly localized in all these IPS osteomyelitis patients.
(12) Prognosis of patients with these autonomic failures is poor.
(13) All patients in Stages I and II (5 out of 26) who developed metastases had poorly differentiated (histological Type III) tumours.
(14) This study provides strong and unexpected evidence that one admission to hospital of more than a week's duration or repeated admissions before the age of five years (in particular between six months and four years) are associated with an increased risk of behaviour disturbance and poor reading in adolescence.
(15) Patients were divided into two groups: poor outcome, defined by the death or a post-operative Karnofsky index less than or equal to 70 (n = 36), and good outcome defined by a Karnofsky index of 80 or more (n = 60).
(16) Improvement of its particularly poor prognosis requires therefore early screening based on reliable biological markers.
(17) It has a poor prognosis prior to the current combined treatment of surgical ablation, radiation to the surgical field, and chemotherapy for microscopic metastases.
(18) Photograph: AP Reasons for wavering • State relies on coal-fired electricity • Poor prospects for wind power • Conservative Democrat • Represents conservative district in conservative state and was elected on narrow margins Campaign support from fossil fuel interests in 2008 • $93,743 G K Butterfield (North Carolina) GK Butterfield, North Carolina.
(19) There were significant differences in the mean erythrocyte transketolase activity of the thiaminase excreting poor animals and the thiaminase free normal animals.
(20) In this material the ultrastructural details are very poorly preserved.