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    • 7. 发明申请
    • HYDROPHILIC POLYMER MICROPARTICLE, FILLER FOR ION EXCHANGE LIQUID CHROMATOGRAPHY, AND METHOD FOR PRODUCTION OF FILLER FOR ION EXCHANGE LIQUID CHROMATOGRAPHY
    • 亲水聚合物微球,离子交换液相色谱填充剂,以及用于离子交换液相色谱法生产填料的方法
    • US20100330689A1
    • 2010-12-30
    • US12875283
    • 2010-09-03
    • Takuya YotaniMakoto Takahara
    • Takuya YotaniMakoto Takahara
    • G01N30/02B01J49/00
    • B01D15/362B01J20/264B01J39/26B01J2220/54B01J2220/58C08F220/26C08F220/58C08F222/1006
    • An object of the present invention is to provide a hydrophilic polymer microparticle which shows reduced swelling in an aqueous medium and has an excellent dispersibility in an aqueous medium, a filler for ion-exchange liquid chromatography which can effectively suppress non-specific adsorption of protein and the like, a method for analyzing glycosylated hemoglobin using the filler for ion-exchange liquid chromatography, a method for production of a filler for ion-exchange liquid chromatography that can maintain suppressive effects on swelling, non-specific adsorption and the like for a long period of time, a filler for ion-exchange liquid chromatography produced by the method for production of a filler for ion-exchange liquid chromatography, and a filler for ion-exchange liquid chromatography for glycosylated hemoglobin analysis.The present is a hydrophilic polymer microparticle, which has a DW/DA ratio of 2.0 or less, the DW representing a particle diameter of the hydrophilic polymer microparticle dispersed in water, the DA representing a particle diameter of the hydrophilic polymer microparticle dispersed in acetone, each of the particle diameters measured by a particle size distribution analyzer after the hydrophilic polymer microparticle is dispersed in water or acetone, subjected to irradiation with ultrasonic waves for 15 minutes, and allowed to stand at a temperature of 25° C. for 240 hours for equilibration; and has a contact angle with water of 70° or less, the contact angle measured using a contact angle measurement apparatus at a temperature of 25° C. by forming a droplet of pure water on a single layer of the hydrophilic polymer microparticles arranged with no space therebetween.
    • 本发明的目的是提供一种亲水性聚合物微粒,其在水性介质中的溶胀度降低,并且在水性介质中具有优异的分散性,用于离子交换液相色谱的填料可有效抑制蛋白质的非特异性吸附, 使用离子交换液相色谱用填充剂分析糖化血红蛋白的方法,用于离子交换液相色谱法的填充剂的制造方法,能够长时间保持对溶胀,非特异性吸附等的抑制作用 时间段,用于离子交换液相色谱法的填充剂的制造方法制造的离子交换液相色谱用填充剂和糖基化血红蛋白分析用离子交换液相色谱用填充剂。 本发明是DW / DA比为2.0以下的亲水性聚合物微粒,DW表示分散在水中的亲水性聚合物微粒的粒径,DA表示分散在丙酮中的亲水性聚合物微粒的粒径, 将亲水性聚合物微粒分散在水或丙酮中后,用超声波照射15分钟后,通过粒度分布分析仪测定各粒径,在25℃的温度下放置240小时, 平衡 并且与水的接触角为70°以下,使用接触角测量装置在25℃的温度下测量的接触角,通过在不排列的亲水性聚合物微粒的单层上形成纯水滴 之间的空间。
    • 8. 发明申请
    • Hydrophilic Polymer Microparticle, Filler for Ion Exchange Liquid Chromatography, and Method for Production of Filler for Ion Exchange Liquid Chromatography
    • 亲水性聚合物微粒,离子交换液相色谱填充剂和离子交换液相色谱填料的生产方法
    • US20090042307A1
    • 2009-02-12
    • US12085936
    • 2006-11-14
    • Takuya YotaniMakoto Takahara
    • Takuya YotaniMakoto Takahara
    • G01N33/72B01D15/08B29C71/00B29C71/04B06B1/02
    • B01D15/362B01J20/264B01J39/26B01J2220/54B01J2220/58C08F220/26C08F220/58C08F222/1006
    • An object of the present invention is to provide a hydrophilic polymer microparticle which shows reduced swelling in an aqueous medium and has an excellent dispersibility in an aqueous medium, a filler for ion-exchange liquid chromatography which can effectively suppress non-specific adsorption of protein and the like, a method for analyzing glycosylated hemoglobin using the filler for ion-exchange liquid chromatography, a method for production of a filler for ion-exchange liquid chromatography that can maintain suppressive effects on swelling, non-specific adsorption and the like for a long period of time, a filler for ion-exchange liquid chromatography produced by the method for production of a filler for ion-exchange liquid chromatography, and a filler for ion-exchange liquid chromatography for glycosylated hemoglobin analysis.The present is a hydrophilic polymer microparticle, which has a DW/DA ratio of 2.0 or less, the DW representing a particle diameter of the hydrophilic polymer microparticle dispersed in water, the DA representing a particle diameter of the hydrophilic polymer microparticle dispersed in acetone, each of the particle diameters measured by a particle size distribution analyzer after the hydrophilic polymer microparticle is dispersed in water or acetone, subjected to irradiation with ultrasonic waves for 15 minutes, and allowed to stand at a temperature of 25° C. for 240 hours for equilibration; and has a contact angle with water of 70° or less, the contact angle measured using a contact angle measurement apparatus at a temperature of 25° C. by forming a droplet of pure water on a single layer of the hydrophilic polymer microparticles arranged with no space therebetween.
    • 本发明的目的是提供一种亲水性聚合物微粒,其在水性介质中的溶胀度降低,并且在水性介质中具有优异的分散性,用于离子交换液相色谱的填料可有效抑制蛋白质的非特异性吸附, 使用离子交换液相色谱用填充剂分析糖化血红蛋白的方法,用于离子交换液相色谱法的填充剂的制造方法,能够长时间保持对溶胀,非特异性吸附等的抑制作用 时间段,用于离子交换液相色谱法的填充剂的制造方法制造的离子交换液相色谱用填充剂和糖基化血红蛋白分析用离子交换液相色谱用填充剂。 本发明是DW / DA比为2.0以下的亲水性聚合物微粒,DW表示分散在水中的亲水性聚合物微粒的粒径,DA表示分散在丙酮中的亲水性聚合物微粒的粒径, 将亲水性聚合物微粒分散在水或丙酮中后,用超声波照射15分钟后,通过粒度分布分析仪测定各粒径,在25℃的温度下放置240小时, 平衡 并且与水的接触角为70°以下,使用接触角测量装置在25℃的温度下测量的接触角,通过在不排列的亲水性聚合物微粒的单层上形成纯水滴 之间的空间。