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    • 5. 发明申请
    • NYLON-3 CO-POLYMERS AND SYNTHETIC LUNG SURFACTANT COMPOSITIONS CONTAINING SAME
    • 尼龙-3聚合物和含有同种异构体的合成肺表面活性剂组合物
    • US20130004453A1
    • 2013-01-03
    • US13634576
    • 2011-03-17
    • Samuel H. GellmanShannon S. StahlBrendan P. MoweryAnnelise BarronMichelle Dohm
    • Samuel H. GellmanShannon S. StahlBrendan P. MoweryAnnelise BarronMichelle Dohm
    • C08G69/22A61K31/785A61P11/00C08G69/48
    • A61K31/785A61K9/0082A61K47/32C08G69/22C08L77/02
    • Non-natural oligomers have recently shown promise as functional analogues of lung surfactant proteins Band C (SP-B and SP-C), two helical and amphiphilic proteins that are clitical for normal respiration. The generation of non-natural mimics of SP-B and SP-C has previously been restlicted to step-by-step, sequence-specific synthesis, which results in discrete oligomers that are intended to manifest specific structural attributes. Presented herein an alternative approach to SP-R mimicry that is based on sequence-random copolymers containing cationic and lipophilic subunits. These materials, members of the nylon-3 family, arc prepared by ling-opening polymelization of 13-lactams. The best of the nylon-3 polymers display promising in vitro surfactant activities in a mixed lipid film. Pulsating bubble surfactometry data indicate that films containing the most surface-active polymers attain adsorptive and dynamic-cycling properties that surpass those of discrete peptides intended to mimic SP-B.
    • 近来,非天然低聚物已经表现出作为肺表面活性蛋白质C(SP-B和SP-C)的功能类似物的前景,两种螺旋和两亲性蛋白质对于正常呼吸是关键的。 SP-B和SP-C的非天然模拟物的产生以前已经被逐步地排列为序列特异性合成,其导致旨在表现特定结构特性的离散低聚物。 本文提出了基于含有阳离子和亲脂亚单元的序列无规共聚物的SP-R模拟的替代方法。 这些材料是尼龙-3族的成员,通过开启13-内酰胺的多聚化来制备。 最好的尼龙-3聚合物在混合脂质膜中显示出有希望的体外表面活性剂活性。 脉冲气泡表面测量数据表明,含有最多表面活性聚合物的膜具有超过旨在模拟SP-B的离散肽的吸附和动态循环性能。
    • 7. 发明申请
    • Methods for separation of polymeric compounds
    • 聚合物分离方法
    • US20060177840A1
    • 2006-08-10
    • US11241990
    • 2005-10-04
    • Gary SlaterLaurette McCormickAnnelise BarronRobert Meagher
    • Gary SlaterLaurette McCormickAnnelise BarronRobert Meagher
    • C12Q1/68C07K1/26
    • C07K1/13C07K1/26C12Q1/6816C12Q2525/185C12Q2565/125
    • Recently two techniques using free solution electrophoresis to separate charged-uncharged polymer conjugates have proven successful: End Labeled Free Solution Electrophoresis (ELFSE) for DNA sequencing, and Free Solution Conjugate Electrophoresis (FSCE) for molar mass profiling of uncharged polymers. Previous attempts have been made to analyze experimental data generated by these new techniques for the electrophoresis of molecules with varying charge distributions. However, the importance of the ends of the polymers in determining the polymer's overall mobility was neglected in previous work. Through a careful investigation and a reanalysis of the experimental data, it is determined here that this “end effect” critically impacts the behavior of polymers and charged-uncharged polymer conjugates during electrophoresis. In this way, the invention provides for methods that exploit this “end effect” for the separation of polymeric molecules on the basis of size, including for example DNA separation and sequencing techniques.
    • 最近,使用自由溶液电泳分离带电荷的聚合物共轭物的两种技术已被证明是成功的:用于DNA测序的末端标记的游离溶液电泳(ELFSE)和用于不带电聚合物的摩尔质谱分析的游离溶液共轭电泳(FSCE)。 以前曾经尝试分析由这些新技术产生的用于具有不同电荷分布的分子的电泳产生的实验数据。 然而,聚合物末端在确定聚合物整体流动性方面的重要性在以前的工作中被忽略。 通过对实验数据的仔细研究和重新分析,这里确定,这种“最终效应”严重影响聚合物和带电荷电聚合物共轭物在电泳过程中的行为。 以这种方式,本发明提供了利用基于大小(包括例如DNA分离和测序技术)分离聚合物分子的这种“最终效应”的方法。
    • 8. 发明授权
    • Nylon-3 co-polymers and synthetic lung surfactant compositions containing same
    • 尼龙-3共聚物和含有它们的合成肺表面活性剂组合物
    • US09044392B2
    • 2015-06-02
    • US13634576
    • 2011-03-17
    • Samuel H. GellmanShannon S. StahlBrendan P. MoweryAnnelise BarronMichelle Dohm
    • Samuel H. GellmanShannon S. StahlBrendan P. MoweryAnnelise BarronMichelle Dohm
    • C08G69/22A61K31/785A61P11/00C08G69/48A61K9/00A61K47/32C08L77/02
    • A61K31/785A61K9/0082A61K47/32C08G69/22C08L77/02
    • Non-natural oligomers have recently shown promise as functional analogues of lung surfactant proteins Band C (SP-B and SP-C), two helical and amphiphilic proteins that are clitical for normal respiration. The generation of non-natural mimics of SP-B and SP-C has previously been restlicted to step-by-step, sequence-specific synthesis, which results in discrete oligomers that are intended to manifest specific structural attributes. Presented herein an alternative approach to SP-R mimicry that is based on sequence-random copolymers containing cationic and lipophilic subunits. These materials, members of the nylon-3 family, arc prepared by ling-opening polymelization of 13-lactams. The best of the nylon-3 polymers display promising in vitro surfactant activities in a mixed lipid film. Pulsating bubble surfactometry data indicate that films containing the most surface-active polymers attain adsorptive and dynamic-cycling properties that surpass those of discrete peptides intended to mimic SP-B.
    • 近来,非天然低聚物已经表现出作为肺表面活性蛋白质C(SP-B和SP-C)的功能类似物的前景,两种螺旋和两亲性蛋白质对于正常呼吸是关键的。 SP-B和SP-C的非天然模拟物的产生以前已经被逐步地排列为序列特异性合成,其导致旨在表现特定结构特征的离散低聚物。 本文提出了基于含有阳离子和亲脂亚单元的序列无规共聚物的SP-R模拟的替代方法。 这些材料是尼龙-3族的成员,通过开启13-内酰胺的多聚化来制备。 最好的尼龙-3聚合物在混合脂质膜中显示出有希望的体外表面活性剂活性。 脉冲气泡表面测量数据表明,含有最多表面活性聚合物的膜具有超过旨在模拟SP-B的离散肽的吸附和动态循环性能。