Chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the active center of the enzyme.
化学修饰实验发现：巯基、胍基、氨基、羧基和吲哚基可能参与酶活性中心的组成。
2
A method for the determination of Pd and pt in catalyst by graphite furnace atomic absorption spectrometry is introduced, sulfhydryl cotton column is used to separate interferential elements.
介绍应用石墨炉原子吸收法测定催化剂中钯和铂的分析方法，及可将干扰元素去除的巯基棉柱分离法。
3
Results:Somatostatin levels in all the tumors decreased compared to their surrounding tissues, whereas the amount of sulfhydryl group in tumors increased evidently.