WO2007143076A3 - Nanoparticles and coated nanoparticles - Google Patents

Nanoparticles and coated nanoparticles Download PDF

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Publication number
WO2007143076A3
WO2007143076A3 PCT/US2007/012908 US2007012908W WO2007143076A3 WO 2007143076 A3 WO2007143076 A3 WO 2007143076A3 US 2007012908 W US2007012908 W US 2007012908W WO 2007143076 A3 WO2007143076 A3 WO 2007143076A3
Authority
WO
WIPO (PCT)
Prior art keywords
nanoparticles
properties
magnetic
methods
applications
Prior art date
Application number
PCT/US2007/012908
Other languages
French (fr)
Other versions
WO2007143076A2 (en
Inventor
Jackie Y Ying
Subramanian T Selvan
Pranab K Patra
Original Assignee
Agency Science Tech & Res
Jackie Y Ying
Subramanian T Selvan
Pranab K Patra
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agency Science Tech & Res, Jackie Y Ying, Subramanian T Selvan, Pranab K Patra filed Critical Agency Science Tech & Res
Publication of WO2007143076A2 publication Critical patent/WO2007143076A2/en
Publication of WO2007143076A3 publication Critical patent/WO2007143076A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/58—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving labelled substances
    • G01N33/588—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving labelled substances with semiconductor nanocrystal label, e.g. quantum dots
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/001—Preparation for luminescence or biological staining
    • A61K49/0063—Preparation for luminescence or biological staining characterised by a special physical or galenical form, e.g. emulsions, microspheres
    • A61K49/0065—Preparation for luminescence or biological staining characterised by a special physical or galenical form, e.g. emulsions, microspheres the luminescent/fluorescent agent having itself a special physical form, e.g. gold nanoparticle
    • A61K49/0067—Preparation for luminescence or biological staining characterised by a special physical or galenical form, e.g. emulsions, microspheres the luminescent/fluorescent agent having itself a special physical form, e.g. gold nanoparticle quantum dots, fluorescent nanocrystals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/46—Sulfur-, selenium- or tellurium-containing compounds
    • C30B29/48—AIIBVI compounds wherein A is Zn, Cd or Hg, and B is S, Se or Te
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54313—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
    • G01N33/5432—Liposomes or microcapsules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H01F1/0045—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use
    • H01F1/0054—Coated nanoparticles, e.g. nanoparticles coated with organic surfactant

Abstract

The present invention relates to materials and methods comprising nanoparticles, such as semiconductor nanoparticles and magnetic semiconductor nanoparticles. Nanoparticles of the invention may exhibit useful properties which can be tailored with a high degree of control using various methods of the invention. In some embodiments, the nanoparticles may formed to exhibit a certain property or combination of properties, such as optical and magnetic properties. The present invention also provides coatings (e.g., silica coatings) and related methods which may enhance various properties of the nanoparticles. Nanoparticles described herein may 0 be useful in applications such as labeling of biological species, drug targeting, magnetic resonance imagine (MRI), among other applications.
PCT/US2007/012908 2006-05-31 2007-05-31 Nanoparticles and coated nanoparticles WO2007143076A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80971006P 2006-05-31 2006-05-31
US60/809,710 2006-05-31

Publications (2)

Publication Number Publication Date
WO2007143076A2 WO2007143076A2 (en) 2007-12-13
WO2007143076A3 true WO2007143076A3 (en) 2008-10-02

Family

ID=38692027

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/012908 WO2007143076A2 (en) 2006-05-31 2007-05-31 Nanoparticles and coated nanoparticles

Country Status (1)

Country Link
WO (1) WO2007143076A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102847493A (en) * 2012-09-17 2013-01-02 北京科技大学 Method for water-phase dispersion of metal magnetic nano particles

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0622074D0 (en) * 2006-11-06 2006-12-13 Howmedica Osteonics Corp Method of synthesising a nano metic composite and for use thereof in a method for producing a ceramic component
WO2009002275A1 (en) * 2007-06-27 2008-12-31 Agency For Science, Technology And Research Magnetic nanoparticles, magnetic and fluorescent nanocomposite, and formation of maghemite by oxidizing iron stearate with methylmorpholine n-oxide
US20110236957A1 (en) * 2008-10-02 2011-09-29 The Regents Of The University Of California Nanoparticle Labeling Reagents and Methods of Use
FR2970186B1 (en) * 2011-01-07 2017-04-21 Centre Nat Rech Scient PROCESS FOR IN-SITU SYNTHESIS OF NANOPARTICLES, COMPOSITION OBTAINED AND USE OF THE COMPOSITION
US20140262806A1 (en) * 2013-03-15 2014-09-18 Sunpower Technologies Llc Method for Increasing Efficiency of Semiconductor Photocatalysts
EP3072582A1 (en) 2015-03-27 2016-09-28 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Method for encapsulating a nanostructure, coated nanostructure and use of a coated nanostructure
CN111320979A (en) * 2018-12-13 2020-06-23 首都师范大学 STED super-resolution imaging fluorescent probe
CN110246675B (en) * 2019-04-24 2021-01-08 山东精创磁电产业技术研究院有限公司 Soft magnetic composite material with high saturation magnetic flux density and low loss and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002059226A2 (en) * 2000-11-03 2002-08-01 Wm. Marsh Rice University Partial coverage metal nanoshells and method of making same
US20040033345A1 (en) * 2002-08-15 2004-02-19 Benoit Dubertret Water soluble metal and semiconductor nanoparticle complexes
US20060053971A1 (en) * 2004-09-10 2006-03-16 Shouheng Sun Dumbbell-like nanoparticles and a process of forming the same
US20060068203A1 (en) * 2004-09-24 2006-03-30 Agency For Science, Technology And Research Coated composites of magnetic material and quantum dots
WO2006080895A1 (en) * 2005-01-20 2006-08-03 Agency For Science, Technology And Research Water-soluble, surface-functionalized nanoparticle for bioconjugation via universal silane coupling

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002059226A2 (en) * 2000-11-03 2002-08-01 Wm. Marsh Rice University Partial coverage metal nanoshells and method of making same
US20020160195A1 (en) * 2000-11-03 2002-10-31 Halas Nancy J. Partial coverage metal nanoshells and method of making same
US20040033345A1 (en) * 2002-08-15 2004-02-19 Benoit Dubertret Water soluble metal and semiconductor nanoparticle complexes
US20060053971A1 (en) * 2004-09-10 2006-03-16 Shouheng Sun Dumbbell-like nanoparticles and a process of forming the same
US20060068203A1 (en) * 2004-09-24 2006-03-30 Agency For Science, Technology And Research Coated composites of magnetic material and quantum dots
WO2006080895A1 (en) * 2005-01-20 2006-08-03 Agency For Science, Technology And Research Water-soluble, surface-functionalized nanoparticle for bioconjugation via universal silane coupling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102847493A (en) * 2012-09-17 2013-01-02 北京科技大学 Method for water-phase dispersion of metal magnetic nano particles

Also Published As

Publication number Publication date
WO2007143076A2 (en) 2007-12-13

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