Berg W, Kilian O, Brundig P, Beck G
Z Urol Nephrol. 1986 Jul;79(7):373-82.
The present study describes a modified method of the semiquantitative determination of cystine in the urine which is based on the decomposition of cystine by dithionite ions and formation of a mixed nickel/cystein/sulfide-complex. The method is suitable as rapid and search test, it guarantees an acceptable reproducibility as well as the exactness of the values and is simply to be performed in every clinical-chemical laboratory. The criteria of analytic applicability are confirmed in comparisons of methods. It must be urged to treat fresh urines.
本研究描述了一种改良的尿液中胱氨酸半定量测定方法，该方法基于连二亚硫酸根离子对胱氨酸的分解以及混合镍/半胱氨酸/硫化物络合物的形成。该方法适用于快速筛查测试，保证了可接受的重现性以及数值的准确性，并且在每个临床化学实验室都易于操作。通过方法比较验证了分析适用性标准。必须强调要处理新鲜尿液。
