Citation: Li Hua NIE, Hui Min MA, Mei Hong SU, Ming SUN, Xiao Hua LI. Assay of Cysteine in Human Serum with Quinine-Ce⁴⁺ Chemiluminescence System[J]. Chinese Chemical Letters, ;2002, 13(10): 977-978. shu

Assay of Cysteine in Human Serum with Quinine-Ce⁴⁺ Chemiluminescence System

Center for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080

Received Date: 17 January 2002

Fund Project: We are grateful to the donation of LB 9507 luminometer by the Alexander von Humboldt Foundation. This work is financially supported by the NNSF of China (No.20175031, No.20035010) and CAS (CMS-CX200104).

A sensitive and selective chemiluminescence (CL) method was developed for the determination of cysteine. This method is based on that the weak CL of cysteine oxidized with cerium (IV) can be greatly enhanced by quinine, and the total cysteine in human serum can be detected through simply diluting with water, showing a simpler analytical characteristic.
- Chemiluminescence,
- cysteine,
- quinine-Ce⁴⁺ system,
- human serum
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