(n.) A twist or loop in a rope or thread, caused by a spontaneous doubling or winding upon itself; a close loop or curl; a doubling in a cord.
(n.) An unreasonable notion; a crotchet; a whim; a caprice.
(v. i.) To wind into a kink; to knot or twist spontaneously upon itself, as a rope or thread.
(n.) A fit of coughing; also, a convulsive fit of laughter.
Example Sentences:
(1) In seven patients surgical correction of kinking with stenosis of the extracranial part of the carotid artery was performed.
(2) Occasionally symptomatic kinking of the internal carotid artery will require correction.
(3) A simple and effective surgical procedure as a routine method for correction of carotid kinking is described.
(4) It was concluded that photodimerization of the dTpdT unit to give the cis-syn product causes little perturbation of the DNA whereas dimerization to give the trans-syn product causes much greater perturbation, possibly in the form of a kink or dislocation at the 5'-side of the dimer.
(5) There is little chance of kinking the graft, since its angle of attachment is ideal, and due to the anatomical configuration of the transverse sinus, there is more room for the graft and compression is unlikely.
(6) On the aortogram, stenosis of the left common carotid artery, kinking and aneurysm of the descending thoracic aorta were revealed.
(7) However, no reactivity is observed at the sites of the 40 degrees kinks described in the cocrystal structure (Steitz, 1990).
(8) However, there is enough evidence to warrant careful consideration of surgical correction in patients who have features of the carotid artery syndrome and kinking of the ICA as shown on angiography.
(9) The spin-echo technique with a short time to echo (TE = 40 msec) and a short time to recover (TR = 1000 msec) provided optimum imaging of tonsillar position, hydromyelia cavities, and cervicomedullary "kinking."
(10) Kinking, contractures, transverse splitting and disintegration were seen in muscle fibres from post mortem muscle.
(11) The former appears characteristic of circularly bent DNA and gives rise to a substantial retardation, the latter of bending across a knot or kink in the DNA chain associated with a relatively minor retardation relative to standards.
(12) The obstruction failed to resolve; careful longitudinal serotomy allowed the kinking in the bowel to be straightened and, at 1 year follow-up, there were no symptoms of recurrence.
(13) The most important contribution of this procedure is the decrease in manipulation of the ureter, resulting in minimal disturbance of the blood supply and in a straight course of the ureter without the risk of kinking or obstruction.
(14) Detection of venous backflow or obstruction, arterial stenosis, aneurysm formation, or graft kinking facilitated correction and thus salvage of the grafts.
(15) Proton and deuterium order parameters measured for the liquid crystalline phase of unsonicated lipid bilayer membranes are interpreted in terms of two motions: (i) chain reorientation and (ii) chain isomerization via kink diffusion.
(16) Twenty-three patients had slight stenosis, and bending and kinking were observed in 17.
(17) As we go along all these kinks will be ironed out.” Under Ghanaian law, farmers are only allowed to sell their beans to purchasing clerks who act as intermediaries between them and Cocobod.
(18) Failure to release this structure from the proximal ulna caused kinking and tethering of the nerve when transposition was attempted.
(19) During neo-pulmonary reconstruction, distal pulmonary orifice was shifted towards right to avoid kinking and compression on the coronary arteries.
(20) The large hyperchroism of the complex is consistent with loss of base stacking, as required by a kinked structure.
Proline
Definition:
Example Sentences:
(1) Collagen production of rapidly thawed ligaments was studied by proline incubation at 1 day, 9 days, or 6 weeks after freezing and was compared with that of contralateral fresh controls.
(2) Recently, we have designed a series of simplified artificial signal sequences and have shown that a proline residue in the signal sequence plays an important role in the secretion of human lysozyme in yeast, presumably by altering the conformation of the signal sequence [Yamamoto, Y., Taniyama, Y., & Kikuchi, M. (1989) Biochemistry 28, 2728-2732].
(3) The specific rates of degradation of L-arginine-AMC, gly-proline-AMC, N-alpha-benzoyl-L-arginine-AMC and N-[p-toluene-sulphonyl]gly-pro-arginine-AMC were significantly greater in that group, indicating that the composition of their gingival crevicular fluid was different from that of the gingivitis group.
(4) Uninucleate trophozoites and schizonts of Plasmodium lophurae were labeled metabolically with [3H]proline.
(5) Thus acidic amino acids strongly inhibit acceptor activity as do glycine and proline residues as amino-terminal and carboxy-terminal neighbours, respectively.
(6) P-1894B dose dependently reduced the hydroxylation of peptidyl proline in the fibrotic liver.
(7) Substitution of a single amino acid residue, proline for glycine-9 in [pGlu6]SP6-11, a hexapeptide analogue of substance P, confers on the peptide selective agonist activity toward the SP-P receptor subtype.
(8) The acylation of salivary mucin with fatty acids and its biosynthesis was investigated by incubating rat submandibular salivary gland cells with [3H]palmitic acid and [3H]proline.
(9) A nutritional mutant of Staphylococcus aureus H has been isolated and grown in media in which the only amino acids are arginine, cysteine, glutamic acid and proline.
(10) The adhesion-promoting activity in the first group of fractions was associated with the family of acidic proline-rich proteins (PRPs), while that of the second group is as yet unidentified.
(11) As in the protein sample, a tendency for the cis-proline residues to have the DOWN pucker was observed, but the effect was less pronounced.
(12) The primary sequence of decorsin indicates that the protein is 39 amino acids long and contains 6 cysteine and 6 proline residues, as well as the sequence Arg-Gly-Asp, (RGD), a proposed recognition site of many adhesion proteins.
(13) To gain further insight into the side chain requirement at position 177 that confers maltose recognition, further substitutions of isoleucine, leucine, phenylalanine, proline, and serine have been made via site-directed mutagenesis.
(14) In the adsorption studies, it was apparent that the originally secreted amelogenin (25 K), proline, and histidine-rich protein (2a), as well as the higher molecular weight components (60-90 K), showed a strong adsorption affinity onto the HA.
(15) To determine whether this density gradient shift was due to increased maturation rate of bone or decreased resorption and mineralization rates, [3H]proline and 45Ca were injected 5 days and 24 hours prior to sacrifice, respectively.
(16) The "random coil" conformational problem is examined by comparison of vibrational CD (VCD) spectra of various polypeptide model systems with that of proline oligomers [(Pro)n] and poly(L-proline).
(17) The N-terminal sequence (15 amino acid residues) of the L-proline activating fragment obtained by trypsin treatment was identical with that of GS2, indicating that the L-proline activating site is located at the N-terminus of the native synthetase.
(18) Turnover of D-[14C]alanine-labeled sites within the peptide side chain of PG occurred at roughly twice this rate; no turnover of L-[3H]proline-labeled protein was detected.
(19) Recently, sequence analysis of the cDNA for proline-rich protein (PRP) demonstrated that PRP is identical with C4bp.
(20) At low concentrations, T4C induced proline dehydrogenase synthesis.