Exploració per tema "X-ray crystallography"
Ara es mostren els items 1-6 de 6
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Cristal·lografia de raigs X de les seqüències de DNA del tipus CCGCGG i de la seqüència CGCTCTAGAGCG
(Universitat Politècnica de Catalunya, 2007-05)
Projecte/Treball Final de Carrera
Accés obertEl DNA té un rol fonamental en els éssers vius ja que són molècules claus en la transmissió, expressió i conservació de la informació genètica. Està constituït per una cadena de nucleòtids que consten de tres parts: una ... -
Crystalline structure and thermotropic behavior of alkyltrimethylphosphonium amphiphiles
(2017-02-14)
Article
Accés obertQuaternary organophosphonium salts bearing long alkyl chains are cationic surfactants of interest owing to their physical and biological properties. In the present work, the crystal structure and thermotropic behavior of ... -
Polymorphism in halogen-ethane derivatives: CCl3-CCl3 and ClF2C-CF2Cl
(2013-02-06)
Article
Accés restringit per política de l'editorialThe polymorphism of hexachloroethane, Cl3C−CCl3, has been reinvestigated by means of X-ray and neutron scattering. The long time unknown structure of the intermediate phase II of Cl3C−CCl3 has been determined as monoclinic ... -
Polymorphism in halogen-ethane derivatives: CCl3-CF2Cl and CF3-CF2Cl
(2012-01-03)
Article
Accés restringit per política de l'editorialMolecular crystals of halogen–ethane derivatives C2X6–nYn (X = Cl, Y = F) are known to display order–disorder phase transitions involving changes of the translational, orientational, and conformational order. The appearance ... -
Two high-mobility group box domains act together to underwind and kink DNA.
(2015-07-02)
Article
Accés obertHigh-mobility group protein 1 (HMGB1) is an essential and ubiquitous DNA architectural factor that influences a myriad of cellular processes. HMGB1 contains two DNA-binding domains, box A and box B, which have little ... -
Uniaxial negative thermal expansion in crystals of tienoxolol
(2012-06-17)
Article
Accés restringit per política de l'editorialThe thermal expansion of tienoxolol has been investigated by X-ray powder diffraction up to its melting temperature. The data indicate that the expansion is anisotropic and even negative in one direction of the unit cell. ...