A compound of the formula (I)
1
(I) wherein R
1
is a protecting group for N&agr;, R
2
is a protecting group for N
G
, and R
3
is aryl, and wherein the compound of formula (I) is a trypsin substrate such that trypsin cleaves the O—C single bond, which liberates R
3
—OH; a diagnostic device comprising same; a method for preparing the diagnostic device; and a method of using the diagnostic device to detect levels of urinary trypsin inhibitor in a biological sample; and a diagnostic kit for detecting levels of urinary trypsin inhibitor in a biological sample.
化合物的公式(I)1(I),其中R1是保护N&agr;的基团,R2是保护NG的基团,R3是芳香族基团,并且公式(I)的化合物是胰
蛋白酶底物,使得胰
蛋白酶可以切割O-C单键,从而释放出R3-OH;一种包含该化合物的诊断装置;一种制备该诊断装置的方法;以及一种使用该诊断装置检测
生物样本中尿胰蛋白酶抑制剂
水平的方法;以及一种用于检测
生物样本中尿胰蛋白酶抑制剂
水平的诊断试剂盒。