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    • 2. 发明授权
    • Solid-state synthesis of iron oxide nanoparticles
    • 固态合成氧化铁纳米粒子
    • US07892520B2
    • 2011-02-22
    • US11878864
    • 2007-07-27
    • Jun LuKa Ming NgShihe Yang
    • Jun LuKa Ming NgShihe Yang
    • C01G49/02
    • C01G49/06B01J23/745B82Y30/00C01P2002/72C01P2002/84C01P2004/04C01P2004/64C01P2006/12C01P2006/42C02F1/283C02F2101/308C02F2305/08C02F2305/10C08K3/22C09D7/61C09D7/67C09D11/037
    • The present disclosure includes a method for preparing an aqueous dispersion of γ-Fe2O3 nanoparticles. The method includes grinding an iron (II) hydrated salt, an iron (III) hydrated salt, an inorganic salt, and alkali hydroxide in a grinding or milling machine. The inorganic salt may be a salt matrix that prevents growth and aggregation of the synthesized nanoparticles. The aqueous dispersion of γ-Fe2O3 nanoparticles may optionally be hydrothermally treated to become an aqueous dispersion of α-Fe2O3 nanoparticles. Also disclosed is a method for preparing an mixture of α-Fe2O3 nanoparticles and γ-Fe2O3 nanoparticles, in which at least an iron (III) hydrated salt, an inorganic salt, and alkali hydroxide are ground in a grinding or milling machine. Uses for the nanoparticles include: a magnetic resonance image contrast agent, a color print ink, an artificial tanning pigment, a photocatalyst for degradation of organic dye, a red pigment, an adsorbent for waste water treatment, a catalyst support, and a catalyst.
    • 本公开内容包括制备γ-Fe 2 O 3纳米颗粒的水分散体的方法。 该方法包括在研磨或研磨机中研磨铁(II)水合盐,铁(III)水合盐,无机盐和碱金属氢氧化物。 无机盐可以是防止合成的纳米颗粒的生长和聚集的盐基质。 γ-Fe2O3纳米颗粒的水分散体可以任选地进行水热处理,成为α-Fe2O3纳米颗粒的水性分散体。 还公开了制备α-Fe 2 O 3纳米颗粒和γ-Fe 2 O 3纳米颗粒的混合物的方法,其中在研磨或研磨机中研磨至少一种铁(III)水合盐,无机盐和碱金属氢氧化物。 用于纳米颗粒的方法包括:磁共振图像造影剂,彩色印刷油墨,人造鞣制颜料,有机染料降解用光催化剂,红色颜料,废水处理用吸附剂,催化剂载体和催化剂。
    • 4. 发明申请
    • Health Care Product containing Isoflavone Aglycones and Method of Producing the Same
    • 含有异黄酮苷元的保健产品及其生产方法
    • US20070207224A1
    • 2007-09-06
    • US11622468
    • 2007-01-12
    • Ka Ming NGQian LuoJingnan ZhangBenny Harjo
    • Ka Ming NGQian LuoJingnan ZhangBenny Harjo
    • A61K36/48A61K31/353
    • A61K36/48A61K31/353
    • This invention relates to a novel soy isoflavone product with high purities and strong biological activities and the method of producing the same from natural soybeans, soybean materials (i.e. tofu dregs, soy molasses) and other plant sources. The method includes three steps consisting of extraction with an organic solvent, hydrolysis using an acid and crystallization using an antisolvent. The procedure is very simple and thus can be easily adapted for large-scale manufacturing. Moreover, the procedure is able to produce a high yield of total isoflavones at a lower cost. HPLC analysis and E-Screen bioassay reveal that the obtained product not only contains a high content of isoflavone aglycones by weight of dry matter but also exhibits strong estrogenic activity toward human cells. Therefore, the product should be efficacious for relieving menopausal symptoms and other estrogen-deficient diseases and can be used in health care supplements or as additives for foods, beverages or cosmetics.
    • 本发明涉及一种具有高纯度和强生物活性的新型大豆异黄酮产品及其生产方法,包括天然大豆,大豆原料(即豆腐渣,大豆糖蜜)和其他植物来源。 该方法包括用有机溶剂萃取,使用酸水解和使用反溶剂进行结晶的三个步骤。 该程序非常简单,因此可以轻松适应大规模制造。 此外,该方法能够以更低的成本产生高产量的总异黄酮。 HPLC分析和E-Screen生物测定显示,所得产物不仅含有高含量的异黄酮糖苷配基,其重量为干物质,而且对人细胞表现出强烈的雌激素活性。 因此,该产品应有效减轻绝经症状和其他雌激素缺乏症,可用于保健品或食品,饮料或化妆品的添加剂。
    • 6. 发明授权
    • Separation of fullerene C60 and C70 using crystallization
    • 用结晶法分离富勒烯C60和C70
    • US07875086B2
    • 2011-01-25
    • US11652475
    • 2007-01-12
    • Ka Ming Ng
    • Ka Ming Ng
    • B01D9/00
    • B82Y40/00B82Y30/00C01B32/15C01B32/152
    • The present invention is a method for simultaneously separating two highly pure fullerenes from a mixture of fullerenes via crystallization, by (i) adjusting the amount of solvent in the mixture fed to a first crystallizer to obtain a phase equilibrium behavior so a first fullerene component of the two fullerenes, in the form of pure crystal, solid solution crystal, or solvate crystal is obtained; (ii) adjusting the amount of solvent in another mixture fed to a second crystallizer, operating at a temperature different from the first crystallizer, to obtain a phase equilibrium behavior so a second fullerene component of the two fullerenes, in the form of pure crystal, solid solution crystal, or solvate crystal is obtained; and additionally (iii) purifying the solid solution or the solvate into highly pure fullerene, when the solid product from the crystallizers is in the form of solid solution or solvate.
    • 本发明是通过(i)调节进料到第一结晶器中的混合物中的溶剂量来同时从富勒烯的混合物中分离出两个高纯度富勒烯的方法,以获得相平衡行为,从而使第一富勒烯组分 以纯晶体,固溶体晶体或溶剂化物晶体的形式获得两种富勒烯; (ii)调节在与第一结晶器不同的温度下进料到第二结晶器的另一种混合物中的溶剂量,以获得相平衡行为,使得纯晶体形式的两个富勒烯的第二富勒烯组分, 固溶体晶体或溶剂化物晶体; 另外(iii)当来自结晶器的固体产物是固溶体或溶剂化物的形式时,将固溶体或溶剂化物纯化成高纯度富勒烯。
    • 8. 发明授权
    • Health care product containing isoflavone aglycones and method of producing the same
    • 含有异黄酮糖苷配基的保健品及其制造方法
    • US07553505B2
    • 2009-06-30
    • US11622468
    • 2007-01-12
    • Ka Ming NgQian LuoJingnan ZhangBenny Harjo
    • Ka Ming NgQian LuoJingnan ZhangBenny Harjo
    • A61K36/48
    • A61K36/48A61K31/353
    • This invention relates to a novel soy isoflavone product with high purities and strong biological activities and the method of producing the same from natural soybeans, soybean materials (i.e. tofu dregs, soy molasses) and other plant sources. The method includes three steps consisting of extraction with an organic solvent, hydrolysis using an acid and crystallization using an antisolvent. The procedure is very simple and thus can be easily adapted for large-scale manufacturing. Moreover, the procedure is able to produce a high yield of total isoflavones at a lower cost. HPLC analysis and E-Screen bioassay reveal that the obtained product not only contains a high content of isoflavone aglycones by weight of dry matter but also exhibits strong estrogenic activity toward human cells. Therefore, the product should be efficacious for relieving menopausal symptoms and other estrogen-deficient diseases and can be used in health care supplements or as additives for foods, beverages or cosmetics.
    • 本发明涉及一种具有高纯度和强生物活性的新型大豆异黄酮产品及其生产方法,包括天然大豆,大豆原料(即豆腐渣,大豆糖蜜)和其他植物来源。 该方法包括用有机溶剂萃取,使用酸水解和使用反溶剂进行结晶的三个步骤。 该程序非常简单,因此可以轻松适应大规模制造。 此外,该方法能够以更低的成本产生高产量的总异黄酮。 HPLC分析和E-Screen生物测定显示,所得产物不仅含有高含量的异黄酮糖苷配基,其重量为干物质,而且对人细胞表现出强烈的雌激素活性。 因此,该产品应有效减轻绝经症状和其他雌激素缺乏症,可用于保健品或食品,饮料或化妆品的添加剂。