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    • 3. 发明授权
    • Method for making surfactant-templated, high-porosity thin films
    • 制备表面活性剂模板,高孔隙率薄膜的方法
    • US06270846B1
    • 2001-08-07
    • US09517689
    • 2000-03-02
    • C. Jeffrey BrinkerYunfeng LuHongyou Fan
    • C. Jeffrey BrinkerYunfeng LuHongyou Fan
    • B05B500
    • B01F17/0028B01F17/0021B01F17/0042B01F17/0057B01F17/0064C03C17/007C03C17/009C03C2217/425Y10T428/21Y10T428/24331
    • An evaporation-induced self-assembly method to prepare a surfactant-templated thin film by mixing a silica sol, a surfactant, and a hydrophobic polymer and then evaporating a portion of the solvent during coating onto a substrate and then heating to form a liquid-phase, thin film material with a porosity greater than approximately 50 percent. The high porosity thin films can have dielectric constants less than 2 to be suitable for applications requiring low-dielectric constants. An interstitial compound can be added to the mixture, with the interstitial compound either covalently bonded to the pores or physically entrapped within the porous structure. The selection of the interstitial compound provides a means for developing thin films for applications including membranes, sensors, low dielectric constant films, photonic materials and optical hosts.
    • 蒸发诱导的自组装方法,通过混合二氧化硅溶胶,表面活性剂和疏水聚合物制备表面活性剂模板化薄膜,然后在涂布过程中将一部分溶剂蒸发到基底上,然后加热形成液体 - 孔隙率大于约50%的薄膜材料。 高孔隙率薄膜可以具有小于2的介电常数,以适用于需要低介电常数的应用。 间隙化合物可以加入到混合物中,间隙化合物共价键合到孔或物理地截留在多孔结构内。 间隙化合物的选择提供了一种用于开发用于包括膜,传感器,低介电常数膜,光子材料和光学主体的薄膜的薄膜的方法。
    • 4. 发明授权
    • Method for making surfactant-templated thin films
    • 制备表面活性剂模板薄膜的方法
    • US06387453B1
    • 2002-05-14
    • US09517873
    • 2000-03-02
    • C. Jeffrey BrinkerYunfeng LuHongyou Fan
    • C. Jeffrey BrinkerYunfeng LuHongyou Fan
    • B05D302
    • B82Y30/00
    • An evaporation-induced self-assembly method to prepare a porous, surfactant-templated, thin film by mixing a silica sol, a solvent, a surfactant, and an interstitial compound, evaporating a portion of the solvent to form a liquid, crystalline thin film mesophase material, and then removal of the surfactant template. Coating onto a substrate produces a thin film with the interstitial compound either covalently bonded to the internal surfaces of the ordered or disordered mesostructure framework or physically entrapped within the ordered or disordered mesostructured framework. Particles can be formed by aerosol processing or spray drying rather than coating onto a substrate. The selection of the interstitial compound provides a means for developing thin films for applications including membranes, sensors, low dielectric constant films, photonic materials and optical hosts.
    • 通过混合硅溶胶,溶剂,表面活性剂和间隙化合物制备多孔表面活性剂模板化薄膜的蒸发诱导自组装方法,蒸发溶剂的一部分以形成液体,晶体薄膜 中间相材料,然后除去表面活性剂模板。 涂覆在基材上产生薄膜,其中间隙化合物共价键合到有序或无序的介观结构框架的内表面或物理地截留在有序或无序的介观结构框架内。 颗粒可以通过气溶胶处理或喷雾干燥形成,而不是涂覆在基材上。 间隙化合物的选择提供了一种用于开发用于包括膜,传感器,低介电常数膜,光子材料和光学主体的薄膜的薄膜的方法。
    • 8. 发明授权
    • Self-assembly of nanocomposite materials
    • 纳米复合材料的自组装
    • US06264741B1
    • 2001-07-24
    • US09449036
    • 1999-11-24
    • C. Jeffrey BrinkerAlan SellingerYunfeng Lu
    • C. Jeffrey BrinkerAlan SellingerYunfeng Lu
    • C30B1110
    • B82Y30/00C09K19/00
    • A method of making a nanocomposite self-assembly is provided where at least one hydrophilic compound, at least one hydrophobic compound, and at least one amphiphilic surfactant are mixed in an aqueous solvent with the solvent subsequently evaporated to form a self-assembled liquid crystalline mesophase material. Upon polymerization of the hydrophilic and hydrophobic compounds, a robust nanocomposite self-assembled material is formed. Importantly, in the reaction mixture, the amphiphilic surfactant has an initial concentration below the critical micelle concentration to allow formation of the liquid-phase micellar mesophase material. A variety of nanocomposite structures can be formed, depending upon the solvent evaporazation process, including layered mesophases, tubular mesophases, and a hierarchical composite coating composed of an isotropic worm-like micellar overlayer bonded to an oriented, nanolaminated underlayer.
    • 提供制备纳米复合自组装的方法,其中至少一种亲水性化合物,至少一种疏水性化合物和至少一种两亲表面活性剂在水性溶剂中与溶剂混合,随后蒸发形成自组装液晶中间相 材料。 在聚合亲水和疏水化合物时,形成了坚固的纳米复合材料自组装材料。 重要的是,在反应混合物中,两亲表面活性剂的初始浓度低于临界胶束浓度以允许形成液相胶束中间相材料。 可以形成各种纳米复合结构,这取决于溶剂蒸发过程,包括层状中间相,管状中间相,和由定向的纳米层压底层粘合的各向同性的蠕虫状胶束覆盖层组成的分级复合涂层。
    • 9. 发明授权
    • Methods for protease assisted protein delivery
    • 蛋白酶辅助蛋白递送的方法
    • US09283194B2
    • 2016-03-15
    • US13089117
    • 2011-04-18
    • Yi TangZhen GuYunfeng LuMing YanAnuradha BiswasGuoping Fan
    • Yi TangZhen GuYunfeng LuMing YanAnuradha BiswasGuoping Fan
    • A61K9/51A61K31/7088A61K41/00A61K47/48
    • A61K9/5169A61K9/5138A61K9/5192A61K31/7088A61K38/02A61K41/0042A61K47/48176A61K47/58A61K48/00
    • A method for intracellular delivery of single proteins or other cargo molecules by encapsulation within nanocapsules formed by interfacial polymerization of one or more types of monomers and selected protease cleavable cross-linkers is provided. The thin positively charged capsules are readily brought into the cytosol of target cells by endocytosis. The capsules are degraded by the action of endogenous proteases or co-delivered proteases on the cross-linkers releasing the functional cargo unaltered. The cross-linkers can be adapted to be cleavable by specific enzymes selected from available intracellular enzymes within the target cell or co-delivered or self-cleaving when the cargo itself is a protease. The nanocapsules produced by the methods have been shown to have long-term stability, high cell penetration capability, low toxicity and efficient protease-modulated specific degradability without affecting cargo protein function.
    • 提供了通过包封在由一种或多种类型的单体和选择的可切割蛋白酶切割交联剂的界面聚合形成的纳米胶囊内单细胞或其他货物分子的细胞内递送的方法。 细胞带正电的胶囊容易通过内吞作用进入靶细胞的胞质溶胶。 通过内源性蛋白酶或共同递送的蛋白酶对交联物的作用降解胶囊,释放功能性货物未改变。 当货物本身是蛋白酶时,交联剂可以被适应成可以通过选自目标细胞内可用的细胞内酶的特定酶或共同递送或自分离的特异性酶切割。 通过该方法生产的纳米胶囊已被证明具有长期稳定性,高细胞穿透能力,低毒性和有效的蛋白酶调节特异性降解性,而不影响货物蛋白质功能。