This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which one of the following is not a Novel biomarker of acute kidney injury ? 
Select and explain. 
A. NGAL, B. Kim - 1, C. Cystain  - C, D. ß - Trace protein
D: ß - Trace protein
Answer: D: ß - Trace protein 
Explanation: ß - Trace protein  is a biomarker of Chronic kidney disease.