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    • 2. 发明申请
    • Antifungal phenylethylene
    • 抗真菌苯乙烯
    • US20050014849A1
    • 2005-01-20
    • US10499958
    • 2002-12-20
    • George PettitRobin Pettit
    • George PettitRobin Pettit
    • A61K31/09C07C205/32A61K31/075
    • A61K31/09C07C205/32
    • The antifungal and cancer cell growth inhibitory activities of 1-(3′,4′,5′-trimethoxyphenyl)-2-nitro-ethylene (TMPN) were examined. TMPN was fungicidal for the majority of 132 reference strains and clinical isolates tested, including those resistant to fluconazole, ketoconazole, amphotericin B or flucytosine. Minimum fungicidal concentration/minimum inhibitory concentration (MFC/MIC) ratios were ≦2 for 96% of Cryptococcus neoformans clinical isolates and 71% of Candida albicans clinical isolates. TMPN was fungicidal for a variety of other basidiomycetes, endomycetes and hyphomycetes, and its activity was unaffected by alterations in media pH. TMPN was slightly cytotoxic for murine and human cancer cell lines (GI50=1-4 μg/ml), and weakly inhibited mammalian tubulin polymerization (IC50=0.60 μg/ml). TMPN may also be used as a biochemical probe for tubulin and fungal dimorphism studies.
    • 检查1-(3',4',5'-三甲氧基苯基)-2-硝基 - 乙烯(TMPN)的抗真菌和癌细胞生长抑制活性。 TMPN对132个参考菌株和临床分离株进行了杀真菌处理,其中包括对氟康唑,酮康唑,两性霉素B或氟胞嘧啶耐药的参考菌株。 对于96%的新型隐球菌临床分离株和71%的白念珠菌临床分离株,最低的杀真菌浓度/最小抑制浓度(MFC / MIC)比值<2。 对于各种其他担子菌,内生菌和菌丝体,TMPN是杀真菌剂,其活性不受培养基pH变化的影响。 TMPN对鼠和人类癌细胞系(GI50 = 1-4mug / ml)略有细胞毒性,并且弱抑制哺乳动物微管蛋白聚合(IC50 = 0.60mug / ml)。 TMPN也可用作微管蛋白和真菌二态性研究的生物化学探针。
    • 5. 发明申请
    • Laser corneal flap cutting system and associated methods
    • 激光角膜切片系统及相关方法
    • US20070027439A1
    • 2007-02-01
    • US11491636
    • 2006-07-24
    • Daniel DurrieGeorge PettitJohn Campin
    • Daniel DurrieGeorge PettitJohn Campin
    • A61F9/008A61B18/18
    • A61F9/00802A61F9/008A61F9/00806A61F9/00836A61F2009/00846A61F2009/00872A61F2009/0088
    • A method for performing wavefront-guided laser surgery on a cornea includes the step of calculating a corneal flap configuration based upon collected anatomical information on an eye and wavefront data on a cornea of the eye. Such data may be collected by, for example, an aberrometer, although this is not intended as a limitation. The calculated configuration is transmitted to a processor in controlling relation to a corneal flap-cutting device. The flap-cutting device is used to create a corneal flap based upon the calculated configuration. A system for performing wavefront-guided laser surgery on a cornea includes a processor for receiving the anatomical information and wavefront data. A software package is adapted to calculate the corneal flap configuration and to control a corneal flap-cutting device to cut a corneal flap commensurate with the calculated corneal flap configuration.
    • 用于在角膜上进行波前引导激光手术的方法包括基于眼睛上收集的解剖信息和眼睛角膜上的波前数据计算角膜瓣构造的步骤。 这样的数据可以通过例如像差计来收集,尽管这不是作为限制。 所计算的配置在控制与角膜瓣切割装置的关系中被传送到处理器。 根据计算出的结构,使用襟翼切割装置创建角膜瓣。 用于在角膜上进行波前引导激光手术的系统包括用于接收解剖信息和波前数据的处理器。 软件包适用于计算角膜瓣构造并控制角膜瓣切割装置以切割与计算出的角膜瓣构造相称的角膜。
    • 10. 发明申请
    • Synthesis of combretastatin a-2 prodrugs
    • 考布他汀a-2前药的合成
    • US20050075516A1
    • 2005-04-07
    • US10499848
    • 2002-12-20
    • George PettitBryan Moser
    • George PettitBryan Moser
    • A61K31/665A61K31/36A61P9/00A61P35/00A61P43/00C07C43/23C07F9/12C07F9/655C07C43/20
    • C07F9/65517C07C43/23C07F9/12Y02P20/55
    • The original synthesis of combretastatin A-2 (1a) was modified to provide an efficient scale-up procedure for obtaining this antineoplastic stilbene. Subsequent conversion to a useful prodrug was accomplished by phosphorylation employing in situ formation of dibenzylchlorophosphite followed 30 by cleavage of the benzyl ester protective groups with bromotrimethylsilane to afford phosphoric acid intermediate 11. The latter was immediately treated with sodium methoxide to complete a practical route to the disodium phosphate prodrug (2a). The phosphoric acid precursor (11) of phosphate 2a was employed in a parallel series of reactions to produce a selection of metal and ammonium cation prodrug candidates. Each of the phosphate salts (2a-q) was evaluated with respect to relative solubility behavior, cancer cell growth inhibition, and antimicrobial activity.
    • 改变了考布他汀A-2(1a)的原始合成方法,以获得这种抗肿瘤二萜烯的有效放大方法。 随后转化为有用的前体药物是通过使用原位形成二氯苄基亚磷酸酯进行磷酸化,然后通过用溴代三甲基甲硅烷裂解苄酯保护基来提供磷酸中间体11来完成的。后者立即用甲醇钠处理以完成实际路线 磷酸二钠前药(2a)。 磷酸二烷基酯(11)以平行的一系列反应方式使用,以产生金属和铵阳离子前体药物候选物的选择。 关于相对溶解行为,癌细胞生长抑制和抗微生物活性评估磷酸盐(2a-q)中的每一种。