The phrase "as a sensitive marker" is correct and usable in written English.
It can be used in contexts where you are identifying something that serves as an indicator or sign of sensitivity in a particular situation or subject matter.
Example: "The presence of certain chemicals in the environment can act as a sensitive marker for pollution levels."
Alternatives: "as a delicate indicator" or "as a subtle sign".
Annexin V serves as a sensitive marker for detection of cells that are undergoing apoptosis.
These results suggest that SERPINB2 could serve as a sensitive marker for predicting toxic responses to potential hazardous materials.
These results suggested that SERPINB2 could serve as a sensitive marker for predicting toxic responses such as defective cell proliferation or differentiation to various chemicals.
This study evaluates the usefulness of erythrocyte creatine as a sensitive marker of excessive erythrocyte destruction due to hypersplenism in patients with liver cirrhosis.
Lack of pathologic electroencephalogram findings and neurologic signs in the postoperative period precludes the clinical use of S-100 protein concentration as a sensitive marker of cerebral injury.
The response time was ∼2 min and the detection limit was 1.0 × 10−9 mol L−1, so the proposed sensor could be considered as a sensitive marker of DA depletion in Parkinson's disease.
This study used a cross-sectional design to examine the lactate dehydrogenase (LDH) activity in GCF to assess whether GCF LDH can be proposed as a sensitive marker for periodontal tissue modifications during orthodontic tooth movement.
Cerebral ischemia leads to an overexpression of TSPO which has been considered as a sensitive marker related to the size of the brain lesion and clinical outcome [35].
Recognizing the unique distribution of the osteonectin pool, we first sought to investigate whether osteonectin could serve as a sensitive marker of platelet activity, and identify patients with acute myocardial infarction (AMI).
It is well known that the concentration of TATc in blood reflects the formation of thrombin [32, 33] and serves as a sensitive marker for the activation of coagulation [34, 35].
It is generally regarded as a sensitive marker indicating changes in the liver metabolism [37].
