WO2008081917A1 - 球状フェライトナノ粒子及びその製造方法 - Google Patents

球状フェライトナノ粒子及びその製造方法 Download PDF

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Publication number
WO2008081917A1
WO2008081917A1 PCT/JP2007/075246 JP2007075246W WO2008081917A1 WO 2008081917 A1 WO2008081917 A1 WO 2008081917A1 JP 2007075246 W JP2007075246 W JP 2007075246W WO 2008081917 A1 WO2008081917 A1 WO 2008081917A1
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Prior art keywords
nanoparticle
ferrite
aqueous solution
ferrite nanoparticle
synthesized
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PCT/JP2007/075246
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English (en)
French (fr)
Inventor
Masanori Abe
Hiroshi Handa
Takashi Nakagawa
Masaru Tada
Ryuichi Shimazu
Toshiyuki Tanaka
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Tokyo Institute Of Technology
Tamagawa Seiki Kabushiki Kaisha
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Application filed by Tokyo Institute Of Technology, Tamagawa Seiki Kabushiki Kaisha filed Critical Tokyo Institute Of Technology
Priority to EP07860449A priority Critical patent/EP2128095A4/en
Priority to US12/522,178 priority patent/US8399022B2/en
Publication of WO2008081917A1 publication Critical patent/WO2008081917A1/ja
Priority to US13/437,232 priority patent/US8394413B2/en

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    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
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Abstract

粒径が３０～２５０ｎｍの範囲にあって、球形を有し、粒径がよく揃ったフェライトナノ粒子を製造するための、新しい製造方法を提供する。２価鉄イオンと二糖類を含有する水溶液にフェライト微粒子の種結晶を分散させ、この水溶液にＮａＯＨなどのアルカリを添加し、さらにこの水溶液にＮａＮＯ３などの酸化剤を添加し、反応させることによって、フェライトナノ粒子を合成する。こうして合成されるフェライトナノ粒子は、粒径が３０～２５０ｎｍの球形を有し、粒径が非常によく揃っており、水中において凝集せず、分散性が良好であり、例えばバイオテクノロシーや医療の分野などの各種の用途の磁性ナノ粒子として適した性質を示す。
PCT/JP2007/075246 2007-01-05 2007-12-28 球状フェライトナノ粒子及びその製造方法 WO2008081917A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07860449A EP2128095A4 (en) 2007-01-05 2007-12-28 SPHERICAL FERRITE NANOPARTICLES AND MANUFACTURING METHOD THEREFOR
US12/522,178 US8399022B2 (en) 2007-01-05 2007-12-28 Spherical ferrite nanoparticles and method for producing the same
US13/437,232 US8394413B2 (en) 2007-01-05 2012-04-02 Spherical ferrite nanoparticles and method for producing the same

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Application Number Priority Date Filing Date Title
JP2007-000649 2007-01-05
JP2007000649 2007-01-05

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/522,178 A-371-Of-International US8399022B2 (en) 2007-01-05 2007-12-28 Spherical ferrite nanoparticles and method for producing the same
US13/437,232 Division US8394413B2 (en) 2007-01-05 2012-04-02 Spherical ferrite nanoparticles and method for producing the same

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WO2008081917A1 true WO2008081917A1 (ja) 2008-07-10

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US (2) US8399022B2 (ja)
EP (1) EP2128095A4 (ja)
JP (3) JP5353004B2 (ja)
WO (1) WO2008081917A1 (ja)

Cited By (5)

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JP2011016673A (ja) * 2009-07-07 2011-01-27 Tamagawa Seiki Co Ltd 球形フェライトナノ粒子及びその製造方法
WO2011052205A1 (ja) * 2009-10-30 2011-05-05 国立大学法人東京工業大学 ポリマー被覆フェライト微粒子および製造方法
JP2014527533A (ja) * 2011-08-26 2014-10-16 ベコイ ナノメディシンズ リミテッドＶｅｃｏｙ Ｎａｎｏｍｅｄｉｃｉｎｅｓ Ｌｔｄ． 病原体用及び物質用トラップ
JP2014198666A (ja) * 2014-05-16 2014-10-23 多摩川精機株式会社 球形フェライトナノ粒子の製造方法
US11728078B2 (en) 2017-10-31 2023-08-15 Roche Molecular Systems, Inc. Magnetic particles and uses thereof

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JP5504399B2 (ja) * 2007-08-30 2014-05-28 国立大学法人東京工業大学 フェライト微粒子の製造方法、フェライト微粒子、及びフェライト微粒子の製造装置
JPWO2009031714A1 (ja) * 2007-09-07 2010-12-16 Hoya株式会社 溶媒分散性粒子
BR112013033063A2 (pt) * 2011-06-30 2017-01-24 Nanogreen Biorefineries Inc conversão catalítica de biomassa
CN103570079B (zh) * 2013-11-01 2014-12-10 中北大学 一种自燃烧法制备纳米铁氧体的方法
DE102015109637B4 (de) * 2015-06-16 2019-05-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Superparamagnetische Mikropartikel, die mit feuchtigkeitsempfindlichen lumineszierenden Verbindungen belegt sind, Verfahren zur Herstellung, Verwendung und Arbeitsverfahren zur Detektion von Feuchtigkeit
US10650591B1 (en) 2016-05-24 2020-05-12 Out of Sight Vision Systems LLC Collision avoidance system for head mounted display utilized in room scale virtual reality system
JP7228232B2 (ja) * 2019-02-05 2023-02-24 学校法人 関西大学 不均一系フェントン反応触媒
EP4071770A4 (en) * 2019-12-02 2023-01-18 LG Chem, Ltd. MAGNETIC SUBSTANCE, CURABLE COMPOSITION CONTAINING THEREOF, AND METHOD OF MAKING THE MAGNETIC SUBSTANCE

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JP5688807B2 (ja) * 2009-10-30 2015-03-25 国立大学法人東京工業大学 ポリマー被覆フェライト微粒子および製造方法
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JP2014527533A (ja) * 2011-08-26 2014-10-16 ベコイ ナノメディシンズ リミテッドＶｅｃｏｙ Ｎａｎｏｍｅｄｉｃｉｎｅｓ Ｌｔｄ． 病原体用及び物質用トラップ
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