(n.) The column of bones in the back which sustains and gives firmness to the frame; the spine; the vertebral or spinal column.
(n.) Anything like , or serving the purpose of, a backbone.
(n.) Firmness; moral principle; steadfastness.
Example Sentences:
(1) A method for the introduction of side chains containing isonitrile (isocyanide, functional group) on the backbone of polysaccharides and other hydroxylic polymers was developed.
(2) The chromophore of octopus rhodopsin is 11-cis retinal, linked via a protonated Schiff base to the protein backbone.
(3) An unprincipled coward with the backbone of an amoeba."
(4) The Pr(III)-induced shifts for several resolved nonexchangeable backbone proton resonances were compared with calculated shifts using the known x-ray structure.
(5) Here we present images of polydeoxyadenylate molecules aligned in parallel, with their bases lying flat on a surface of highly oriented pyrolytic graphite and with their charged phosphodiester backbones protruding upwards.
(6) These data suggest that the somnogenic actions of these lipid A analogs depend on the acylation or phosphorylation pattern and backbone structures of the molecules.
(7) The resulting family of structures has a mean backbone rmsd of 0.63 A (N, C alpha, C', O atoms), excluding the segments containing residues 45-59 and 84-88.
(8) wt polypeptide backbone, modified by an endoglycosidase F-sensitive carbohydrate moiety.
(9) The backbone dynamics of Ca(2+)-saturated recombinant Drosophila calmodulin has been studied by 15N longitudinal and transverse relaxation experiments, combined with 15N(1H) NOE measurements.
(10) A central eight-stranded beta-pleated sheet is the main feature of the polypeptide backbone folding in dihydrofolate reductase.
(11) To investigate the topochemical preference of backbone and side chains, unusual amino acids, including beta-methylphenylalanine7 or 11, beta-methyltryptophan8, as well as backbone modifications such as retro-inverso structures have been incorporated.
(12) The angle obtained for the C alpha-D resonance was consistent with a single-stranded beta 6.3-helical model for the backbone but not with double-helical models.
(13) In the holopeptide corticotropin, the side chain-side chain effects, as reflected by the titration curves obtained from variations in the aromatic region, support the idea of an helical organization of part of the backbone even in aqueous solution.
(14) The local secondary structure was calculated from sequential and medium-range backbone NOEs with the double-iterated Kalman filter method [Altman, R. B., & Jardetzky, O.
(15) Although the (n-h) plots predict the stereochemical possibility of both right-handed and left-handed helices, nucleic acids apparently prefer right-handed conformation because of the energetics associated with the sugar-phosphate backbone and the base.
(16) And 96% of our grants go to African organisations, universities, scientists and small businesses to achieve a single goal: reduce hunger and poverty on our continent by unleashing the potential of the millions of small, family farmers who are the backbone of African agriculture and African economies.
(17) In addition the bare central backbone showed transverse striations.
(18) Misfolded models were constructed by introducing incorrect side chains onto polypeptide backbones: side chains of the alpha-helical hemerythrin were modeled on the beta-sheeted backbone of immunoglobulin VL domain, whereas those of the VL domain were similarly modeled on the hemerythrin backbone.
(19) Complete assignments were obtained for the backbone 1H, 15N and 13C resonances, using three-dimensional heteronuclear 1H NOE 1H-15N multiple-quantum coherence spectroscopy (3D-NOESY-HMQC) and three-dimensional heteronuclear total correlation 1H-15N multiple-quantum coherence spectroscopy (3D-TOCSY-HMQC) experiments on 15N-enriched HPr and an additional three-dimensional triple-resonance 1HN-15N-13C alpha correlation spectroscopy (HNCA) experiment on 13C, 15N-enriched HPr.
(20) Teh presence of the polyglycerol phosphate backbone and fatty acid was required for maximum immunosuppression of the primary immunoglobulin M response to sheep cells.
Sand
Definition:
(n.) Fine particles of stone, esp. of siliceous stone, but not reduced to dust; comminuted stone in the form of loose grains, which are not coherent when wet.
(n.) A single particle of such stone.
(n.) The sand in the hourglass; hence, a moment or interval of time; the term or extent of one's life.
(n.) Tracts of land consisting of sand, like the deserts of Arabia and Africa; also, extensive tracts of sand exposed by the ebb of the tide.
(n.) Courage; pluck; grit.
(v. t.) To sprinkle or cover with sand.
(v. t.) To drive upon the sand.
(v. t.) To bury (oysters) beneath drifting sand or mud.
(v. t.) To mix with sand for purposes of fraud; as, to sand sugar.
Example Sentences:
(1) The characteristics of the iodide-induced inhibition of cyclic AMP accumulation in dog thyroid slices have been previously described [Van Sande, J., Cochaux, P. and Dumont, J. E. (1985) Mol.
(2) Two control trials were conducted against Ae.samoanus larvae in Pandanus, one using a sand culture of the parasitic nematode Romanomermis culicivorax and the other with temephos, an organophosphate insecticide.
(3) Before you take out your bucket and spade, though, you might like to look at the sand sculpture festival (until 5 September; prices vary from day to day) for inspiration.
(4) "And secondly, there will also be help with sand bags, which could help prevent further flooding."
(5) GNM announced in October that Marc Sands, the marketing director, was to leave the company .
(6) benj67 asks: How do you continue to justify continued your role in financing the Canadian tar sands, arguably a greater crime than the Libor scandal?
(7) Hansen has been an outspoken critic of tar sands, saying last year "it will be game over for the climate if development of the oil sands isn't stopped".
(8) Images of dead ducks in oil sands tailings pond have been plastered on billboards in Denver, Portland, Seattle and Minneapolis.
(9) Bacterial genera in the GAC effluents and in the GAC units themselves were similar to those found in the raw water and in the sand beds.
(10) He exited the sand trap sideways, was ultimately left 8ft for par but missed to the left.
(11) The prevalence of canine toxocariasis in pet dogs and the associated environmental contamination were studied through examination of 107 faecal and 20 sand-pits samples for Toxocara sp eggs.
(12) Most definitive results were obtained when seedlings were ground in the presence of sand and in a medium containing sorbitol.
(13) Sanding operations also were found to produce a higher proportion of respirable dust (22%) than other woodworking operations (6%-14%).
(14) The fertilization reaction of echinoderm eggs (Lytechinus pictus, a sea urchin, and Dendraster excentricus, a sand dollar) was followed with intracellular electrodes.
(15) Since its 2013 announcement, a key aim of TTIP has been to destroy regulations that prevent high-polluting tar sand crude oil from entering Europe.
(16) As fighter jets screamed overhead and tanks churned up the sand, it looked and sounded like the violent protests sweeping the Middle East had spread to the wealthy emirate of Abu Dhabi.
(17) When my floor was dirty, I rose early, and, setting all my furniture out of doors on the grass, bed and bedstead making but one budget, dashed water on the floor, and sprinkled white sand from the pond on it, and then with a broom scrubbed it clean and white... Further - and this is a stroke of his sensitive, pawky genius - he contemplates his momentarily displaced furniture and the nuance of enchanting strangeness: It was pleasant to see my whole household effects out on the grass, making a little pile like a gypsy's pack, and my three-legged table, from which I did not remove the books and pen and ink, standing amid the pines and hickories ...
(18) Fracking for shale gas involves digging, often as deep as a kilometre down, and pumping a mix of water, sand and chemicals into surrounding rock to fracture it and release the gas.
(19) Read more on Scottish independence • ' I believe in solidarity with the folk living south of Carlisle ' • ' The UK is on shifting sands – we can't assume survival ' • ' Better Together is truly scraping the barrel now ' The fact is that far from fearing the breakup of the UK, the English are looking at the benefits that devolution has brought the Scots and asking why they are not able to enjoy the same.
(20) The formation of three-dimensional waves and the distance travelled increased with increasing viscosity up to 4% sodium alginate and also amongst sand gains in these media.