(n.) The Greek letter /, /, or / (English S, or s). It originally had the form of the English C.
Example Sentences:
(1) The programs are written in Fortran and are implemented on a Rank Xerox Sigma 6 computer.
(2) The use of sigma 54 promoters, known to require cognate binding proteins, could allow the fine-tuning that provides the temporal ordering of flagellar gene transcription.
(3) It is concluded that the marked effects of certain sigma ligands on DA cell electrophysiology are likely due to their non-sigma properties.
(4) The common effects of sigma agonist compounds on LCGU included a moderate, global elevation of LCGU.
(5) To test the hypothesis that EAA agonists are involved in transmission of nociceptive information in the spinal cord, we tested the effect of various opioid, sigma and phencyclidine compounds on the action of NMDA in the tail-flick, hot-plate and biting and scratching nociceptive tests.
(6) The instrumental treatment of the volvulus of the sigma prevents surgical interventions under unfavourable conditions for the patient.
(7) All are satisfied by [Formula: see text], where N is the size of rod signal, constant for threshold; theta, theta(D) are steady backgrounds of light and receptor noise; varphi is the threshold flash with sigma a constant of about 2.5 log td sec; B the fraction of pigment in the bleached state.
(8) The amino acid composition of purified sigma 28 protein and the amino acid sequences of tryptic peptide fragments have been determined.
(9) Together, these findings suggest that sigma agents may have cerebroprotective effects.
(10) Left ventricular cavity and muscle areas of each image were planimetered with a light-pen system and summated for volume: total volume = sigma (areas x 3 mm).
(11) It also suggests that the -10 and its downstream regions are more important than the -35 region for the formation of the E sigma A-P2 promoter open complex.
(12) We also observed a significant correlation between the Ki values for sigma compounds to inhibit [3H]pirenzepine binding and their IC50 values to inhibit carbachol-stimulated phosphoinositide turnover.
(13) Vascular permeability was evaluated by use of the fluid filtration coefficient (Kf) and the osmotic reflection coefficient for total proteins (sigma, hematocrit-protein double indicator technique), and pulmonary capillary pressure (Pc) was estimated by the double occlusion technique.
(14) Sigma is a surface area-independent indicator of microvascular permeability when determined for specific protein molecules at high transmicrovascular fluid fluxes.
(15) A method is described for the rapid purification of DNA-dependent RNA polymerase sigma-70 holoenzyme from Escherichia coli.
(16) For each investigated case, the post-operative temporal average of sigma S was calculated (sigma S) and a value of 1.25 was used as discriminating threshold.
(17) To determine the relationship between SVR and sigma es, left ventricular afterload and contractility were pharmacologically altered in eight dogs instrumented with central aortic microtip and Swan-Ganz thermodilution catheters.
(18) The standard derivation, sigma 10 of analysis of water samples was 1.08-1.23% while for blood plasma sigma 6 = 2.02-2.62%.
(19) The mechanical properties of compressed beam specimens of microcrystalline cellulose (Avicel pH 101) have been assessed in terms of the tensile strength (sigma t), Young's modulus (E) and the following fracture mechanics parameters: the critical stress intensity factor (KIC), the critical strain energy release rate (GIC) and the fracture toughness (R).
(20) In Escherichia coli the genes encoding ribosomal protein S21 (rpsU), DNA primase (dnaG), and the 70-kDal sigma subunit of RNA polymerase (rpoD) are contained in a single operon.
Sima
Definition:
(n.) A cyma.
Example Sentences:
(1) And we welcome the new minister of women's affairs, Doctor Sima Samar.
(2) A mucin preparation from a colonic adenocarcinoma was used to prepare monoclonal antibodies (MAbs) that reacted specifically either with normal adult small-intestine mucin antigen(s) (SIMA), or normal adult large-intestine mucin antigen(s) (LIMA).
(3) Only the SIMA epitope was sensitive to neuraminidase.
(4) In the BIMA group two pleural cavities, the SIMA group one pleural sac and the VS group none of the pleural cavities was entered.
(5) At the subcellular level, both anti-SIMA MAb showed reactivity typical of normal mucin, i.e., goblet cell and extracellular mucin.
(6) SIMA epitopes are thus markers of very early neoplastic change, whose expression correlates with malignant potential and may contribute to the accumulation of changes necessary for tumourigenesis.
(7) Inappropriate SIMA production was detected by either anti-SIMA MAb 4D3 or 4A1, even in 85% of early stage cancers.
(8) Inappropriate expression of SIMA epitopes was first detected in mucosa adjacent to minute microadenomas larger than three glands, and with increase in size, in increasing amounts within adenomas themselves, but not with microadenomas smaller than three glands or regions of flat mucosa free of adenomas.
(9) Comparison of the pre-operative data showed that patients who had a SIMA were similar to those who had a SVG except that they were older, had a more stable presentation and they had a higher incidence of myocardial infarction.
(10) We describe the production, immunochemical and immunohistochemical characterization of monoclonal antibodies (MAbs) raised against the oncofetal small intestinal mucin antigen (SIMA).
(11) A high rate of inappropriate SIMA expression was also detected in the perineoplastic transitional mucosa (88%, c.f.
(12) The previously reported hierarchy of four SIMA epitopes (5C5, 3D4, 4D3, 6C5) was also consistently observed in the adenoma-carcinoma sequence, and applied to (i) the order of epitope detection, (ii) the number of positive adenomas and (iii) extent of staining; (iv) the height in the crypt and (v) distance from the adenoma to which epitopes were expressed in perineoplastic mucosa.
(13) The colorectal adenoma-carcinoma sequence was examined in relation to the ectopic expression of the oncofoetal Small Intestinal Mucin Antigen (SIMA), to the development of morphologic changes in the adenoma and perineoplastic mucosa and to indices of malignant potential.
(14) The percentage of positive adenomas and reactivity scores for each anti-SIMA MAb correlated with increasing adenoma size, degree of dysplasia and growth pattern.
(15) Photograph: Sima Diab for the Guardian This article was amended on 22 June 2015 to change the description of Hungary’s government to “illiberal” to better reflect the regime in place.
(16) Photograph: Sima Diab for the Guardian While they wait for his call, everyone fears an attack from the police.
(17) Photograph: Sima Diab for the Guardian As the sun sets, huddle after huddle of Syrian refugees, travelling together for protection, edge north along the bends of the river.
(18) Small intestine mucin antigen (SIMA) is an oncofoetal antigen for the colon and is distinct from the normal large intestinal mucin antigen (LIMA).
(19) SIMA epitope expressed in mucosa adjacent to adenomas preceded changes in perineoplastic morphology, which progressed with adenoma growth to resemble transitional mucosa (TM) adjacent to cancers.
(20) In the control and gastric carcinoma groups, neither large intestinal mucin antigen (LIMA) nor small intestinal mucin antigen (SIMA) could be detected in the normal epithelium of gastric mucosa.