During experiments aimed at understanding the mechanisms by which long-chain carbon molecules are formed in interstellar space and circumstellar shells1, graphite has been vaporized by laser irradiation, producing a remarkably stable cluster…
Papers in Crystallography
Crystallography papers in Chemistry, C
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Biogenic calcium carbonate forms the inorganic component of seashells, otoliths, and many marine skeletons, and its formation is directed by an ordered template of macromolecules. Classical nucleation theory considers crystal formation to occur from…
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Caco-2 cells, which express spontaneous enterocytic differentiation at confluency, is one of the most relevant in vitro models for the study of differentiation and regulation of intestinal functions. However, these cells are normally cultured in the…
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PURPOSE: The objective of this study was a systematic characterization and evaluation of cell culture models based on mixtures of Caco-2/HT29-MTX co-cultures for their use in screening for drug absorption and intestinal permeability in comparison to…
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Calcification plays a major role in the failure of bioprosthetic and other tissue heart valve substitutes. Tissue valve calcification is initiated primarily within residual cells that have been devitalized, usually by glutaraldehyde pretreatment.…
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Scanning Force Microscopy (SFM) was used to observe near-equilibrium calcite growth processes in solutions of known composition and saturation state. Calcite seeds were reacted in solutions of known saturation state at 25-degrees-C and 0.96 atm…
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Calcium (Ca) is a universal intracellular second messenger. In muscle, Ca is best known for its role in contractile activation. However, in recent years the critical role of Ca in other myocyte processes has become increasingly clear. This review…
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Infection with transmissible strains of Pseudomonas aeruginosa can occur in uncolonised patients, but cross infection (superinfection) of patients already colonised withP aeruginosa has not been reported. With genotypic identification, we found…
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Calcium phosphates with clinical applications are used in reconstructive surgery. When dealing with the repairing of a skeletal section, two extremely diverse routes could be initially considered: to replace the damaged part or to substitute it…
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Abnormal smooth-muscle contractility may be a major cause of disease states such as hypertension, and a smooth-muscle relaxant that modulates this process would be useful therapeutically. Smooth-muscle contraction is regulated by the cytosolic Ca2+…
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Although well known as the location of the mechanism by which the cardiac sarcomere is activated by Ca2+ to generate force and shortening, the thin filament is now also recognized as a vital component determining the dynamics of contraction and…
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Metal-organic frameworks (MOFs) synthesized in a building-block approach from organic linkers and metal corner units offer the opportunity to design materials with high surface areas for adsorption applications by assembling the appropriate building…
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The defect chemistry of the perovskite phase LaMnO3 d is modeled using the compound energy formalism and an associate model. In both cases the CALPHAD methodology is applied meaning that all thermodynamic and phase diagram data of the phase is…
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Potential energy curves for the parallel-displaced, T-shaped and sandwich structures of the benzene dimer are computed with density fitted local second-order MøllerPlesset perturbation theory (DF-LMP2) as well as with the spin-component scaled (SCS)…
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Quantitative study of protein-protein and protein-ligand interactions in solution requires accurate determination of protein concentration. Often, for proteins available only in "molecular biological" amounts, it is difficult or impossible to make…
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Polarizabilities calculated for sexithiophene using HartreeFock and density-functional approaches with a 6-31G basis set are used to calculate refractive indices and local electric field tensors in the α-sexithiophene crystal. The calculations…
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The pressure dependence of the R1 ruby fluorescence line has been calibrated at 25 C against the compression of NaCl. Pressures are determined using the Decker equation of state for NaCl. The dependence is linear to 195 kbar following the equation…
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L-type Ca2+ channels support Ca2+ entry into cells, which triggers cardiac contraction, controls hormone secretion from endocrine cells and initiates transcriptional events that support learning and memory. These channels are examples of molecular…
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The current approach to assessing the quality of evidence obtained from clinical trials focuses on three dimensions: the quality of the design (with double-blinded randomised controlled trials representing the highest level of such design); the…
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A set of complete, reliable cocrystal structures was extracted from the Cambridge Structural Database, and molecular descriptors, usually used in quantitative structure-activity relationship studies, were calculated for each molecule. The resulting…
Papers in associated sub-disciplines
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