One-Step, Stereocontrolled Synthesis of Glycosyl 1-Phosphates, Uridine-5‘-diphosphogalactose, and Uridine-5‘-diphosphoglucose from Unprotected Glycosyl Donors
作者:Stephen Hanessian、Pu-Ping Lu、Hideki Ishida
DOI:10.1021/ja982783i
日期:1998.12.1
α-l-fucosyl 1-phosphate. An alternative method that relies on neighboring group participation allowed the preparation of a protected β-l-fucosyl 1-phosphate. Reaction of unprotected β-d-glucopyranosyloxy and β-d-galactopyranosyloxy MOP donors with uridine diphosphoric acid gave UDP-Glc and UDP-Gal with preponderance of the desired α-anomeric configuration.
Studies on the Substrate Specificity of <i>Escherichia coli</i> Galactokinase
作者:Jie Yang、Xun Fu、Qiang Jia、Jie Shen、John B. Biggins、Jiqing Jiang、Jingjing Zhao、Joshua J. Schmidt、Peng G. Wang、Jon S. Thorson
DOI:10.1021/ol034642d
日期:2003.6.1
rapidly synthesize sugar phosphates. Compared with chemical synthesis, enzymatic (kinase) routes to sugar phosphates would be attractive for this application. This work focuses upon the development of a high-throughput colorimetric galactokinase (GalK) assay and its application toward probing the substrate specificity and kineticparameters of Escherichia coli GalK. The demonstrated dinitrosalicylic
Präparat zur Wirkstoffapplikation in Kleinsttröpfchenform
申请人:Cevc, Gregor, Prof. Dr.
公开号:EP0475160A1
公开(公告)日:1992-03-18
Die Erfindung betrifft ein Präparat zur Applikation von Wirkstoffen in Form kleinster, insbesondere mit einer membranartigen Hülle aus einer oder wenigen Lagen amphiphiler Moleküle bzw. mit einer amphiphilen Trägersubstanz versehenen Flüssigkeitströpfchen, insbesondere zum Transport des Wirkstoffes in und durch natürliche Barrieren und Konstriktionen wie Häute und dergleichen. Das Präparat weist einen Gehalt einer randaktiven Substanz auf, der bis zu 99 Mol.-% des Gehaltes dieser Substanz entspricht, durch den der Solubilisierungspunkt der Tröpfchen erreicht wird. Das Präparat eignet sich zur nichtinvasiven Verabreichung von Antidiabetica, insbesondere von Insulin. Die Erfindung betrifft außerdem ein Verfahren zur Herstellung solcher Präparate.
Compositions of amorphous calcium carbonate for inhalation, sublingual or buccal administration
申请人:AMORPHICAL LTD.
公开号:US10758565B2
公开(公告)日:2020-09-01
The present invention provides compositions comprising amorphous calcium carbonate (ACC), suitable to being administered by inhalation, and methods for their use in treating ACC-responsive diseases and conditions. Further provided are ACC compositions suitable for buccal or sublingual administration.
Stabilized amorphous calcium carbonate for treatment of neurological, muscular and infertility diseases or conditions
申请人:AMORPHICAL LTD.
公开号:US10758566B2
公开(公告)日:2020-09-01
Stabilized amorphous calcium carbonate (ACC) for treatment of several neurological, muscular and infertility diseases and conditions is provided. In particular, the stabilized ACC may be used in the treatment of axonal defects and muscular dystrophy. In addition, provided are improved methods used in assistant reproductive technology. Examples of such methods are in vitro fertilization and improvement of sperm quality. The improved IVF method, for example, comprises addition of the stabilized ACC to the cell culture medium in which the stages of fertilization and embryo development occurs.