摘要:
The compounds of formula (I) cyclo[X.sub.1.sup.1 --Z.sub.1.sup.2 --X.sub.2.sup.3 --X.sub.3.sup.4 --Z.sub.2.sup.5 --X.sub.4.sup.6 ]cyclo(2.beta.-5.beta.) wherein: X.sub.1 =(D or L)Cys(Y) or (D or L)SeCys(Y), Z.sub.1 =Asp and Z.sub.2 =Dap or Z.sub.1 =Dap and Z.sub.2 =Asp and X.sub.2, X.sub.3 and X.sub.4 =natural or synthetic hydrophobic amino acids, having Z.sub.1, Z.sub.2, X.sub.2, X.sub.3 and X.sub.4 the same D or L configuration; Y=is a glycosidic group selected from the aldo and keto hexoses in the furanose or pyranose form bound to the cysteine with an .alpha. or .beta. thioacetalic bond or a cyclithol or a polyvinyl alcohol or PEG, constituted of 5 to 10 monomeric unities, bound to the cysteine with a thioether bond, are endowed of high solubility and of potent tachykinin-antagonistic activity.
摘要:
The present invention relates to a liquid, substantially anhydrous eutectic mixture comprising a principal acid component, such as a hydroxy acid, and at least one other component selected from the group consisting of a carbohydrate, a polyol, an amino acid, and a carboxylic acid. The mixtures remain liquid at room temperature, are relatively non-irritating, and can be used to deliver higher levels of the principal acid than would ordinarily be possible. The invention also provides a method of making such a mixture comprising heating the component having the lowest melting point to the temperature at which it melts, dissolving the remaining component or components in the melted component, and allowing the mixture to cool.
摘要:
A method for the preservation of in vitro expanded epithelial sheets by incubation of the sheets in a cryopreserving solution characterized by lack of volume increase at the liquid-solid phase transition. The cryopreserving solutions comprise: a) polyethyleneglycols having molecular weight between 3 and 5 KD; and b) at least one cross-linking agent selected from polyols, polyamines, mono- or oligosaccharides, and polyethyleneglycols having molecular weight lower than 1 KD.
摘要:
A process of immobilizing biomolecules on a support of porous silicon locally activated by using an electronic beam, activated supports of porous silicon produced in this way, and their use for sensorics applications in biological, medical fields.
摘要:
The present invention relates to thermostable mutants of B-type DNA polymerases comprising a Y-GG/A amino acid motif between the N-terminal 3′-5′-exonuclease domain and the C-terminal polymerase domain whereas the tyrosine of the Y-GG/A amino acid motif is mutated and whereas these mutant DNA polymerases are suitable for PCR.