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    • 2. 发明申请
    • Method for quantifying biomolecules conjugated to a nanoparticle
    • 用于定量与纳米颗粒缀合的生物分子的方法
    • US20080274463A1
    • 2008-11-06
    • US11800360
    • 2007-05-04
    • Xiao-Bo ChenChristopher BieniarzMichael Farrell
    • Xiao-Bo ChenChristopher BieniarzMichael Farrell
    • C12Q1/68G01N1/00G01N33/00C12Q1/00G01N33/53G01N33/536G01N33/563G01N33/20C12Q1/37G01N21/76
    • C12Q1/37B82Y15/00G01N33/54313G01N33/582Y10T436/143333Y10T436/17Y10T436/25125
    • Disclosed embodiments concern quantifying a biomolecule conjugated to a nanoparticle. Quantifying typically comprises determining the number of biomolecules per nanoparticle. Any suitable biomolecule can be used, including but not limited to, amino acids, peptides, proteins, haptens, nucleic acids, oligonucleotides, DNA, RNA, and combinations thereof. A single type of biomolecule may be conjugated to the nanoparticle, more than one biomolecule of a particular class may be conjugated to the nanoparticle, or two or more classes of biomolecules may be conjugated to the nanoparticle. Certain disclosed embodiments comprise enzymatically or chemically digesting a biomolecule conjugated to the nanoparticle, or displacing a biomolecule using ligand-exchange chemistry. Where biomolecule concentrations are determined, any technique suitable for determining biomolecule concentration can be used, such as spectrophotometric techniques, including measuring tryptophan fluorescence and using a standard fluorescence intensity versus biomolecule concentration curve.
    • 公开的实施方案涉及量化与纳米颗粒缀合的生物分子。 量化通常包括确定每个纳米颗粒的生物分子的数量。 可以使用任何合适的生物分子,包括但不限于氨基酸,肽,蛋白质,半抗原,核酸,寡核苷酸,DNA,RNA及其组合。 单一类型的生物分子可以与纳米颗粒结合,特定类别的多于一个的生物分子可以与纳米颗粒缀合,或者两种或更多类别的生物分子可以与纳米颗粒缀合。 某些公开的实施方案包括酶或化学消化与纳米颗粒缀合的生物分子,或使用配体交换化学位移生物分子。 在确定生物分子浓度的情况下,可以使用适合于测定生物分子浓度的任何技术,例如分光光度技术,包括测量色氨酸荧光并使用标准荧光强度与生物分子浓度曲线。
    • 3. 发明授权
    • Method for quantifying biomolecules conjugated to a nanoparticle
    • 用于定量与纳米颗粒缀合的生物分子的方法
    • US07682789B2
    • 2010-03-23
    • US11800360
    • 2007-05-04
    • Xiao-Bo ChenChristopher BieniarzMichael Farrell
    • Xiao-Bo ChenChristopher BieniarzMichael Farrell
    • C12Q1/68G01N33/53C07K14/00C07H21/00C07H21/02C07H21/04
    • C12Q1/37B82Y15/00G01N33/54313G01N33/582Y10T436/143333Y10T436/17Y10T436/25125
    • Disclosed embodiments concern quantifying a biomolecule conjugated to a nanoparticle. Quantifying typically comprises determining the number of biomolecules per nanoparticle. Any suitable biomolecule can be used, including but not limited to, amino acids, peptides, proteins, haptens, nucleic acids, oligonucleotides, DNA, RNA, and combinations thereof. A single type of biomolecule may be conjugated to the nanoparticle, more than one biomolecule of a particular class may be conjugated to the nanoparticle, or two or more classes of biomolecules may be conjugated to the nanoparticle. Certain disclosed embodiments comprise enzymatically or chemically digesting a biomolecule conjugated to the nanoparticle, or displacing a biomolecule using ligand-exchange chemistry. Where biomolecule concentrations are determined, any technique suitable for determining biomolecule concentration can be used, such as spectrophotometric techniques, including measuring tryptophan fluorescence and using a standard fluorescence intensity versus biomolecule concentration curve.
    • 公开的实施方案涉及量化与纳米颗粒缀合的生物分子。 量化通常包括确定每个纳米颗粒的生物分子的数量。 可以使用任何合适的生物分子,包括但不限于氨基酸,肽,蛋白质,半抗原,核酸,寡核苷酸,DNA,RNA及其组合。 单一类型的生物分子可以与纳米颗粒结合,特定类别的多于一种生物分子可以与纳米颗粒缀合,或者两种或更多类别的生物分子可以与纳米颗粒缀合。 某些公开的实施方案包括酶或化学消化与纳米颗粒缀合的生物分子,或使用配体交换化学位移生物分子。 在确定生物分子浓度的情况下,可以使用适合于测定生物分子浓度的任何技术,例如分光光度技术,包括测量色氨酸荧光并使用标准荧光强度与生物分子浓度曲线。