Pheromones of the tiger happen to be a mixture of amines which are "fixed" by lipids. One of these, found always in all the four tigers investigated, is phenylethylamine. This may be a biochemical marker at a species level.

Biochemical tumor marker was human chorionic gonadotropin (hCG) produced by choriocarcinoma itself, which was used to determine the complete remission of the carcinoma, which was treated by primary systemic methotrexate (MTX) therapy. Also, hCG was the marker of positive pregnancy test in the MTX prevention of choriocarcinoma. It will be important to use biochemical marker produced by the subje...

Objectives: Growth evaluation methods have made great strides in the shift from radiologic to non-radiologic biomarkers. Osteocalcin (OC), a bone protein, has been reportedly used as biomarker for osteoblastic formation. The present study aimed at of serum OC Class II skeletal patterns accurate assessment pubertal growth spurt facilitate functional jaw orthopedics during period. Material and Me...