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    • 81. 发明授权
    • Antimicrobial theta defensins and methods of using same
    • 抗微生物θ防御素及其使用方法
    • US07399823B1
    • 2008-07-15
    • US10009317
    • 2000-05-10
    • Michael E. SelstedYi-Quan TangJun YuanAndre J. Ouellette
    • Michael E. SelstedYi-Quan TangJun YuanAndre J. Ouellette
    • A61K38/00
    • C07K7/08A61K38/12C07K14/4723C12P21/00Y02A50/473Y02A50/481
    • The present invention relates to an isolated cyclic peptide, theta defensin, having antimicrobial activity, and to theta defensin analogs. A theta defensin can have the amino acid sequence Xaa1-Xaa2-Xaa3-Xaa4-Xaa5-Xaa1-Xaa6-Xaa4-Xaa4-Xaa1-Xaa1-Xaa6-Xaa4-Xaa5-Xaa1-Xaa3-Xaa7-Xaa8, wherein Xaa1 to Xaa8 are defined; wherein Xaa1 can be linked through a peptide bond to Xaa8; and wherein crosslinks can be formed between Xaa3 and Xaa3, between Xaa5 and Xaa5, and between Xaa7 and Xaa7. For example, the invention provides a theta defensin having the amino acid sequence Gly-Phe-Cys-Arg-Cys-Leu-Cys-Arg-Arg-Gly-Val-Cys-Arg-Cys-Ile-Cys-Thr-Arg (SEQ ID NO:1), wherein the Gly at position 1 (Gly-1) is linked through a peptide bond to Arg-18, and wherein disulfide bonds are present between Cys-3 and Cys-16, between Cys-5 and Cys-14, and between Cys-7 and Cys-12. The invention also provides nucleic acids encoding theta defensins and antibodies that specifically bind a theta defensin. In addition, the invention relates to methods of using theta defensin to reduce or inhibit microbial growth or survival.
    • 本发明涉及具有抗微生物活性的分离的环肽,θ防御素,以及θ防御素类似物。 θ防御素可以具有氨基酸序列Xaa1-Xaa2-Xaa3-Xaa4-Xaa5-Xaa1-Xaa6-Xaa4-Xaa4-Xaa1-Xaa1-Xaa6-Xaa4-Xaa5-Xaa1-Xaa3-Xaa7-Xaa8,其中Xaa1至Xaa8是 定义 其中Xaa1可通过肽键与Xaa8连接; 并且其中可以在Xaa3和Xaa3之间,Xaa5和Xaa5之间以及Xaa7和Xaa7之间形成交联。 例如,本发明提供具有氨基酸序列Gly-Phe-Cys-Arg-Cys-Leu-Cys-Arg-Arg-Gly-Val-Cys-Arg-Cys-Ile-Cys-Thr-Arg的θ防御素 SEQ ID NO:1),其中位置1处的Gly(Gly-1)通过肽键与Arg-18连接,并且其中二硫键存在于Cys-3和Cys-16之间,Cys-5和Cys之间 -14,以及Cys-7和Cys-12之间。 本发明还提供编码θ防御素和特异性结合θ防御素的抗体的核酸。 此外,本发明涉及使用θ防御素来减少或抑制微生物生长或存活的方法。
    • 84. 发明申请
    • Fine platy kaolin composition
    • 精细高岭土组成
    • US20060124033A1
    • 2006-06-15
    • US10531257
    • 2003-12-15
    • Robert PruettJun YuanBomi BilimoriaRoger WygantAnthony Lyons
    • Robert PruettJun YuanBomi BilimoriaRoger WygantAnthony Lyons
    • C04B14/04
    • C09C1/42C01P2004/20C01P2004/54C01P2004/60C01P2006/22D21H19/40D21H21/52
    • The present invention relates to a kaolin composition having improved physical properties, for example, for use in the production of paper products. The composition can comprise kaolin having a shape factor of at least about 20. The kaolin can have a particle size distribution such that at least about 94% by weight of the kaolin can have an esd of less than about 2 μm and/or at least about 80% by weight of the kaolin can have an esd of less than 1 μm. The amount of the kaolin having an esd of less than about 0.25 μm can range from about 25% to about 60% by weight. The Hercules viscosity of the kaolin product is less than 4000 rpm at 18 dynes at 63% solids and less than 1500 rpm at 18 dynes at 69% solids when measured using the “A” bob. The present invention also relates to an improved method for making the kaolin product from sedimentary kaolin.
    • 本发明涉及具有改善的物理性能的高岭土组合物,例如用于生产纸制品。 该组合物可以包含具有至少约20的形状因子的高岭土。高岭土可以具有使得高岭土的至少约94重量%的esd可以具有小于约2μm的esd和/或至少 约80重量%的高岭土可以具有小于1m的esd。 具有小于约0.25μm的esd的高岭土的量可以为约25重量%至约60重量%。 高岭土产品的Hercules粘度在18达因数时为63%固体,小于1500转/分钟,18达因时为69%固体,当使用“A”鲍伯测量时。 本发明还涉及一种由沉淀高岭土制备高岭土产品的改进方法。