(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.
Sputtering
Definition:
(p. pr. & vb. n.) of Sputter
Example Sentences:
(1) All tooth specimens were sputter-coated with gold for 4 min and examined using a scanning electron microscope.
(2) And the Sunni-Shia conflict driving so much of this is not unlike the Wars of the Reformation– those took a century to conclude ... and still sputter along in Northern Island three centuries later.
(3) Auger spectroscopy and ion sputtering technique have shown that in surface of new archs oxygen and carbon are present up to about 300 A depth.
(4) The teeth were air dried, mounted on stubs, sputter-coated with gold-palladium and examined under SEM.
(5) Electronegative elements will be detected with similar sensitivities in the spectrum of negative sputtered ions, but inert gases, which are ionized with difficulty and have small electron affinities, will be detected with considerably poorer sensitivities.
(6) It is based on the selective evanescent field excitation of ligands adsorbed to supported planar bilayers on argon-sputtered glass plates.
(7) of implantation the surface of the as-cast polyurethane was covered with a monolayer of platelets and leukocytes, whereas thrombus development progressed more rapidly on the sputtered polyurethane surface and at 1 hr.
(8) Looking for a solution for Britain's sputtering maternity services?
(9) The catheter segments were sputter-coated with approx.
(10) While TEM provides the highest resolution images of sputter-coated cytoskeletons, it also damages the specimens owing to heating in the beam.
(11) He yanks a few times on the starting cord of the outboard engine, and we sputter off into the bay towards our target – our progress in these sensitive waters observed by a police motorboat.
(12) Images of DNA and ribosomal subunits contrasted by sputter shadowing with tungsten are shown.
(13) Several substrates--aluminum mnium foil, silver mirror deposit and sputtered gold-provided good conductive backgrounds for chromosomal spreads.
(14) Using sputter coating to form oxide films allows control of its thickness.
(15) Sputtered coats of 1-2 nm of platinum or tungsten provide both an adequate secondary electron signal for SEM and good contrast for STEM and TEM.
(16) Forty-five sputter-coated implants and an equal number of noncoated titanium implants were placed into 15 partially edentulated dog mandibles.
(17) The forward planning in such cities runs counter to the steadily accumulating evidence in Washington that Barack Obama's efforts to green America's economy is sputtering to a halt.
(18) Here we show that construction and use of a tungsten target greatly improves the quality of the sputter shadowed deposit.
(19) The thickness of the oxide layer can also be controlled by sputter coating.
(20) This study investigated and compared the healing rates of bone around commercially pure titanium implants and titanium implants sputter-coated from a hydroxyapatite target.