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    • 1. 发明授权
    • Stabilized, biocompatible gold nanoparticles and enviro-friendly method for making same
    • 稳定的,生物相容的金纳米颗粒和环境友好的制造方法
    • US08333994B2
    • 2012-12-18
    • US12283935
    • 2008-09-17
    • Kattesh V. KattiRaghuraman KannanKavita K. KattiSatish Kumar Nune
    • Kattesh V. KattiRaghuraman KannanKavita K. KattiSatish Kumar Nune
    • A61K9/14
    • A61K49/0093A61K9/14A61K9/148A61K33/24A61K41/00A61K49/04
    • The invention provides stabilized, biocompatible gold nanoparticles that are stabilized with material from polyphenols- or flavanoids-rich plant material or reactive phytochemical components of the plant material. The gold nanoparticles of the invention can be fabricated with an environmentally friendly method for making biocompatible stabilized gold nanoparticles. In methods of the invention, an aqueous solution containing gold salts is mixed with polyphenols- or flavanoids-rich plant material. In preferred embodiment methods of making, an aqueous solution containing gold salts is provided. The aqueous solution is mixed with black tea, turmeric, curcumin or cinnamon or a similar naturally occurring polyphenols- or flavanoids-rich plant material. The gold salts react to form biocompatible gold nanoparticles that are stabilized with a coating of the polyphenols- or flavanoids-rich plant material. The black tea, turmeric, curcumin or cinnamon or similar naturally occurring polyphenols- or flavanoids-rich plant material can be a powder or can be in its root or bark form.
    • 本发明提供了稳定的生物相容性金纳米颗粒,其通过来自多酚 - 或富含黄酮的植物材料或植物材料的反应性植物化学成分的材料稳定。 本发明的金纳米颗粒可以用用于制备生物相容稳定的金纳米颗粒的环境友好的方法制造。 在本发明的方法中,含有金盐的水溶液与富含多酚或富含黄酮的植物材料混合。 在优选的实施方案中,提供了含有金盐的水溶液的制备方法。 水溶液与红茶,姜黄,姜黄素或肉桂或类似天然存在的多酚或富含黄酮的植物材料混合。 金盐反应形成生物相容性金纳米颗粒,其通过多酚或富含黄酮的植物材料的涂层而稳定。 红茶,姜黄,姜黄素或肉桂或类似的天然存在的多酚或富含黄酮的植物材料可以是粉末或可以是其根或皮肤形式。
    • 2. 发明申请
    • GUM ARABIC COATED 198GOLD RADIOACTIVE NANOPARTICLES FOR CANCER THERAPY
    • 用于癌症治疗的阿拉伯胶囊198Gold放射性纳米颗粒
    • US20120134918A1
    • 2012-05-31
    • US13293827
    • 2011-11-10
    • Kattesh V. KattiRaghuraman KannanCathy S. Cutler
    • Kattesh V. KattiRaghuraman KannanCathy S. Cutler
    • A61K51/12A61P35/00A61M36/06B82Y15/00B82Y5/00
    • A61K51/1244B82Y5/00B82Y15/00
    • The invention provides a cancer therapeutic and imaging agent comprising a solution containing Gum Arabic coated 198Au nanoparticles. The Gum Arabic coated 198Au nanoparticles have been demonstrated experimentally shown to have a surprising efficacy for a single dose direct injection, reducing tumors in analog mice by 82% over a short period of time. The particles of the invention have a believed optimal size for therapy and imaging applications, and can be used as a theranostic agent in the treatment of needle accessible cancers. The invention also provides a method for forming Gum Arabic coated 198Au nanoparticles. A gold foil is irradiated to produce 198Au foil. The foil is dissolved to form radioactive gold salt. The salt is dried, and then reconstituted to form a 198Au nanoparticle precursor. The precursor is reduced with a reducing agent in an aqueous solution including Gum Arabic to form Gum Arabic coated 198Au nanoparticles.
    • 本发明提供一种癌症治疗和显像剂,其包含含有阿拉伯胶的198Au纳米颗粒的溶液。 实验证明,阿拉伯胶包覆的198Au纳米颗粒在单次剂量直接注射中具有令人惊奇的功效,在短时间内将模拟小鼠的肿瘤减少82%。 本发明的颗粒具有用于治疗和成像应用的相信最佳尺寸,并且可以用作治疗针可及性癌症的治疗剂。 本发明还提供了一种形成阿拉伯胶的198Au纳米颗粒的方法。 照射金箔以产生198Au箔。 将箔溶解形成放射性金盐。 将盐干燥,然后重构形成198Au纳米颗粒前体。 在包含阿拉伯胶的水溶液中用还原剂还原前体以形成阿拉伯胶包覆的198Au纳米颗粒。
    • 5. 发明申请
    • Stabilized, biocompatible gold nanoparticles and enviro-friendly method for making same
    • 稳定的,生物相容的金纳米颗粒和环境友好的制造方法
    • US20090074674A1
    • 2009-03-19
    • US12283935
    • 2008-09-17
    • Kattesh K. KattiRaghuraman KannanKavita K. Katti
    • Kattesh K. KattiRaghuraman KannanKavita K. Katti
    • A61K49/00A61K9/14A61K33/24
    • A61K49/0093A61K9/14A61K9/148A61K33/24A61K41/00A61K49/04
    • The invention provides stabilized, biocompatible gold nanoparticles that are stabilized with material from polyphenols- or flavanoids-rich plant material or reactive phytochemical components of the plant material. The gold nanoparticles of the invention can be fabricated with an environmentally friendly method for making biocompatible stabilized gold nanoparticles. In methods of the invention, an aqueous solution containing gold salts is mixed with polyphenols- or flavanoids-rich plant material. In preferred embodiment methods of making, an aqueous solution containing gold salts is provided. The aqueous solution is mixed with black tea, turmeric, curcumin or cinnamon or a similar naturally occurring polyphenols- or flavanoids-rich plant material. The gold salts react to form biocompatible gold nanoparticles that are stabilized with a coating of the polyphenols- or flavanoids-rich plant material. The black tea, turmeric, curcumin or cinnamon or similar naturally occurring polyphenols- or flavanoids-rich plant material can be a powder or can be in its root or bark form.
    • 本发明提供了稳定的生物相容性金纳米颗粒,其通过来自多酚 - 或富含黄酮的植物材料或植物材料的反应性植物化学成分的材料稳定。 本发明的金纳米颗粒可以用用于制备生物相容稳定的金纳米颗粒的环境友好的方法制造。 在本发明的方法中,含有金盐的水溶液与富含多酚或富含黄酮的植物材料混合。 在优选的实施方案中,提供了含有金盐的水溶液的制备方法。 水溶液与红茶,姜黄,姜黄素或肉桂或类似天然存在的多酚或富含黄酮的植物材料混合。 金盐反应形成生物相容性金纳米颗粒,其通过多酚或富含黄酮的植物材料的涂层而稳定。 红茶,姜黄,姜黄素或肉桂或类似的天然存在的多酚或富含黄酮的植物材料可以是粉末或可以是其根或树皮形式。