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    • 9. 发明申请
    • ELECTRORESPONSIVE TECHNOLOGY
    • 电子科技
    • WO2015073882A1
    • 2015-05-21
    • PCT/US2014/065791
    • 2014-11-14
    • NORTH CAROLINA CENTRAL UNIVERSITY
    • TAYLOR, Darlene K.BALAMI, Uddhav
    • C07C309/43C07C39/15G01N27/10
    • C08F12/30C07C17/16C07C29/147C07C43/23C07C2603/90C08F8/36C08F12/22C08F12/32G01N27/3277G01N27/3335C07C33/20C07C22/04
    • A styrene based water soluble polymer containing pendant sulfonated calix[4]arene groups has been synthesized by using free radical polymerization combined with post-polymerization sulfonation chemistry. The monomer 25-(4-vinylbenzyl)-26, 27, 28-hydroxy-calix[4]arene was prepared in 3 steps: (1) reduction of 4-vinyl benzoic acid to the respective alcohol (2) formation of the bromide by the Appel reaction and (3) synthesis of the respective ether by Williamson O-alkylation reaction with calix[4]arene. Polymerization was accomplished by azobisisobutyronitrile (AIBN) initiated free radical polymerization technique. Electro-responsive properties of the sulfonated polymer were studied wherein a response to electrochemical stimulus is observed when guest molecules of methyl viologen are incorporated with polymerized 25-(4-vinylbenzy1)-26, 27, 28-hydroxy-calix[4]arene.
    • 通过与后聚合磺化化学结合使用自由基聚合,合成了含有侧链磺化杯[4]芳烃基的苯乙烯基水溶性聚合物。 单体25-(4-乙烯基苄基)-26,27,28-羟基 - 杯[4]芳烃分三个步骤制备:(1)将4-乙烯基苯甲酸还原成相应的醇(2)溴化物的形成 通过Appel反应和(3)通过与杯[4]芳烃的Williamson O-烷基化反应合成各自的醚。 聚合由偶氮二异丁腈(AIBN)引发的自由基聚合技术完成。 研究了磺化聚合物的电响应性质,其中当甲基紫精的客体分子与聚合的25-(4-乙烯基苯基)-26,27,28-羟基 - 杯[4]芳烃结合时,观察到对电化学刺激的响应。
    • 10. 发明申请
    • SMALL MOLECULE MODIFIERS OF MICRORNA MIR-122
    • MICRORNA MIR-122的小分子改良剂
    • WO2011091209A1
    • 2011-07-28
    • PCT/US2011/021976
    • 2011-01-21
    • NORTH CAROLINA STATE UNIVERSITYDEITERS, AlexanderYOUNG, Douglas, D.
    • DEITERS, AlexanderYOUNG, Douglas, D.
    • A01N43/00A61K31/33
    • A61K31/47A61K31/04
    • MicroRNAs are a class of endogenous regulators of gene function. Aberrant regulation of microRNAs has been linked to various human diseases, most importantly cancer. Small molecule intervention of microRNA misregulation has the potential to provide new therapeutic approaches to such diseases. microRNA miR-122 is the most abundant microRNA in the liver and is involved in hepatocellular carcinoma development and hepatitis C virus (HCV) infection. Small molecule inhibitors and activators of the microRNA miR-122 are described, and methods for their identification are reported. These small molecule inhibitors reduce viral replication in liver cells and thus represent a new approach to the treatment of HCV infections. Moreover, small molecule activation of miR-122 in liver cancer cells selectively induced apoptosis through caspase activation, and thus has implications in cancer chemotherapy.
    • MicroRNA是一类基因功能的内源性调控因子。 微小RNA的异常调节与各种人类疾病有关,最重要的是癌症。 小分子干扰microRNA的失调有可能为这些疾病提供新的治疗方法。 microRNA miR-122是肝脏中最丰富的microRNA,涉及肝细胞癌发展和丙型肝炎病毒(HCV)感染。 描述了微小RNA miR-122的小分子抑制剂和活化剂,并报道了其鉴定方法。 这些小分子抑制剂减少肝细胞中的病毒复制,因此代表了治疗HCV感染的新方法。 此外,肝癌细胞中miR-122的小分子激活通过半胱天冬酶活化选择性诱导凋亡,因此在癌症化疗中具有意义。