Albumin Denaturing Agent
First Claim
1. An albumin denaturing composition comprising quaternary ammonium having a hydrocarbon group with a carbon number of 12 or more, or a salt of the quaternary ammonium and protease.
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Accused Products
Abstract
An albumin denaturing agent for digesting an albumin by a protease efficiently is provided. The albumin denaturing agent contains quaternary ammonium having a hydrocarbon group with a carbon number of 12 or more, or a salt of the quaternary ammonium. The albumin in a sample is digested by the protease in the presence of the albumin denaturing agent, a glycated part of the thus obtained albumin digestion product and a FAOD effect a reaction, and a redox reaction between the glycated part and the FAOD is measured, thereby determining a ratio (GA (%)) of the glycated albumin of the glycated albumin with respect to the albumin.
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Citations
19 Claims
- 1. An albumin denaturing composition comprising quaternary ammonium having a hydrocarbon group with a carbon number of 12 or more, or a salt of the quaternary ammonium and protease.
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12-13. -13. (canceled)
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14. An albumin digesting method for digesting an albumin, comprising:
- a step of adding a protease into a sample containing the albumin; and
a step of adding quaternary ammonium having a hydrocarbon group with a carbon number of 12 or more, or a salt of the quaternary ammonium before the adding of the protease, at the same time of the adding or after the adding, wherein a resultant concentration of the protease ranges from 1 U/L to 1,600,000 U/L. - View Dependent Claims (15)
- a step of adding a protease into a sample containing the albumin; and
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16. An albumin digesting method for digesting an albumin, comprising:
- a step of adding a protease into a sample containing the albumin; and
a step of adding quaternary ammonium having a hydrocarbon group with a carbon number of 12 or more, or a salt of the quaternary ammonium before the adding of the protease, at the same time of the adding or after the adding, wherein an adding amount of the protease ranges from 1 U to 60,000 U in 1 ml of the sample. - View Dependent Claims (17)
- a step of adding a protease into a sample containing the albumin; and
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18. An method for assaying glycated albumin comprising:
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a step of adding a protease into a sample containing the albumin; and a step of adding quaternary ammonium having a hydrocarbon group with a carbon number of 12 or more, or a salt of the quaternary ammonium before, at the same time of or after the adding of the protease, wherein a resultant concentration of the protease ranges from 1 U/L to 1,600,000 U/L.
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19. An method for assaying glycated albumin comprising:
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a step of adding a protease into a sample containing the albumin; and a step of adding quaternary ammonium having a hydrocarbon group with a carbon number of 12 or more, or a salt of the quaternary ammonium before, at the same time of or after the adding of the protease, wherein an adding amount of the protease ranges from 1 U to 60,000 U in 1 ml of the sample.
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Specification