(v. t. & i.) To gather into small folds or wrinkles; to contract into ridges and furrows; to corrugate; -- often with up; as, to pucker up the mouth.
(n.) A fold; a wrinkle; a collection of folds.
(n.) A state of perplexity or anxiety; confusion; bother; agitation.
Example Sentences:
(1) 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.
(2) The ultrastructural findings of the macular pucker removed by vitreoretinal surgery are demonstrated.
(3) Sugar puckers and proton distances are very sensitive criteria to monitor molecular dynamics.
(4) Intranucleotide proton-proton distances combined with the knowledge of sugar puckers have been used to fix the glycosidic bond torsion angle (chi).
(5) High proliferative activities were found in 4 of 5 PVR membranes, in 9 of 14 PDR membranes, in 6 of 11 recurrent membranes after intraocular silicone oil tamponade, and in 2 of 6 macular pucker membranes.
(6) No "flips" to the opposite puckering for this ring were found in the simulations starting from the global minimum, although such a transition was observed for a trajectory initiated with one of the higher local minimum energy conformations.
(7) Thus, flexibility in psi as well as in omega and omega, and in the sugar pucker is indicated.
(8) These facts suggest that astrocytes play an important role in preretinal membrane formation in macular pucker.
(9) The free duplex adopts a regular right-handed B-type conformation in which all glycosidic bond angles are anti and all sugar puckers lie in the C2'-endo range.
(10) All cases occurred in eyes with existing retinal holes or tears, including eight cases of macular pucker after previous retinal detachment.
(11) The conformations of the terminal residues of helix I, which corresponds to bases (-1)-11 and 108-120 of native 5S RNA, are less well-determined, and their sugar puckers are intermediate between C2' and C3'-endo, on average.
(12) Different ester substituents affect 1,4-dihydropyridine ring puckering to a small extent in most cases.
(13) Scalar couplings from correlated experiments and interproton distances from NOESY experiments at short mixing times have been used to determine glycosidic angles, sugar puckers, and other conformational features.
(14) There appeared to be a possibility that this muscular thickening might give rise to the rectosigmoidal mucosal puckering often seen through a sigmoidoscope.
(15) Intranucleotide NOEs from the sugar protons H1', H2', and H3' to the base protons were used to determine the conformation of each nucleotide (puckers and glycosidic torsion angles).
(16) The most flexible conformational angles in the structure are the glycosidic angle and the sugar pucker.
(17) Of these, 89% of the cis-proline residues exhibit the DOWN pucker, while the trans-proline residues, on average, are about evenly distributed between the two forms.
(18) The folding of the polynucleotide chain is accomplished either solely by rotations around the P-O bonds or in concert with rotations around the nucleotide C4'-C5' bond with or without changes in the sugar ring pucker.
(19) Postoperative proliferative vitreoretinopathy occurred in six eyes (10%) and macular pucker in two (3%).
(20) The glycosidic torsional angle, chiCN = -28.4 degrees, is in the anti region; the sugar pucker is C(2')exo-C(3')endo in a nearly pure 32H twist; and the conformation of C(4')-C(5') is gauche-gauche.
Tucker
Definition:
(n.) One who, or that which, tucks; specifically, an instrument with which tuck are made.
(n.) A narrow piece of linen or the like, folded across the breast, or attached to the gown at the neck, forming a part of a woman's dress in the 17th century and later.
(v. t.) A fuller.
(v. t.) To tire; to weary; -- usually with out.
Example Sentences:
(1) Tucker confirmed that the concerns had been raised with him by the then No 10 permanent secretary, Sir Jeremy Heywood, rather than ministers.
(2) Bob Diamond did not believe he received an instruction from Paul Tucker or that he gave an instruction to Jerry del Missier.
(3) If Italy becomes another domino after a Spanish bailout the anger could be uncontainable (to use a word adopted by Bank of England deputy Paul Tucker in relation to another banking crisis).
(4) Police launch hate-crime investigation over Tyson Fury comments Read more “It’s true he’s been stripped of his IBF belt,” the IBF’s championships chairman, Lindsey Tucker, told the BBC.
(5) The first edition of the novel to appear under Plath's name, published in 1967, featured a cover designed by Shirley Tucker, with a bold type face and urgent concentric circles.
(6) The predictive values of gain or output may be inferred from current research and the Powell & Tucker paper confirms the previous work rather than repudiates it.
(7) As mentioned, the Ravens were able to defeat the Broncos last year in overtime with a 47 yard field goal by Tucker.
(8) Tucker remains one of the lowest paid kickers in the league with a $480,000 salary, which is good for 27th among kickers.
(9) 24, 505-517 (1979)] and recently by Tucker, Barnes, and Chakraborty [Med.
(10) MAMAs were higher for a 3000-Hz tone than for tones of lower or higher frequencies, as has been previously reported [D. R. Perrott and J. Tucker, J. Acoust.
(11) Crowley, the chief political correspondent at CNN, was variously accused of having "committed an act of journalistic terror" (Rush Limbaugh) to having committed an act similar to John Wilkes Booth assassinating Abraham Lincoln (the Daily Caller's Tucker Carlson) when she fact-checked Romney in Tuesday's debate.
(12) The remarks by Tucker blew apart a campaign by Osborne to prove that Balls was one of a series of senior Labour figures who tried to "fiddle Libor".
(13) Most lost incomes, saw their retirement savings shrink, or tried to open new businesses or take out loans but were unable to find cash," said Nick Tucker, UK and Ireland market leader at Merrill Lynch Wealth Management, which has been compiling the report with Capgemini for more than 20 years.
(14) Indeed, we wonder if Mr Tucker would call an investigation to see if the GCA is investigating the supermarkets to the food industry’s benefit; it has the makings of a classic edition of the Thick of It!
(15) Tucker, 53, helped build Prudential's Asian franchise in the 1990s and was chief executive of the company from early 2005 until September 2009.
(16) Tucker told Radio 4's Today programme that while no managers had been dismissed, senior staff were having to undergo rigorous training and assessment.
(17) The BBC said its investigations added to evidence that the Bank of England had put pressure on commercial banks to push their Libor rates down and that the transcript of the phone conversation at Barclays called into question evidence to the Treasury select committee given in 2012 by the former Barclays boss Bob Diamond and Paul Tucker, former deputy governor of the Bank of England.
(18) We feast like kings on simple tucker cooked on a primitive fire.
(19) But Tucker said: "It is not a sufficient replacement at all.
(20) Diamond's appearance before MPs was followed by those of Agius and Jerry del Missier , the top Barclays banker who quit after issuing an instruction to cut the bank's Libor submissions in October 2008, as well as those of King and his deputy, Paul Tucker.