Category: CSIR NET Life Science Previous Year Questions and Solution Biosensors

Category: CSIR NET Life Science Previous Year Questions and Solution Biosensors

CSIR NET Life Science Previous Year Questions and Solution Biosensors

5. Glucose in the blood is detected by four different methods (a, b, c and d). The sensitivity and range of detection of glucose by these four methods is shown below. Clinically relevant concentration of glucose in blood is between 80 — 250 mg/dL Which of the following method is most appropriate? (1) a (2) b (3) c (4) d

Choosing the best glucose detection method based on biosensor response curves

4. Performance of biosensor is evaluated by their response to the presence of an analyte. The physiological relevant concentration of analyte is between 10µM and 50µM. Which among the following biosensor responses is best?

Choosing the best biosensor response curve for physiological analyte range

3. Routinely used glucose biosensor estimates blood glucose level by sensing the concentration of (1) glucose. (2) oxygen. (3) δ-gluconolactone. (4) H2O2.

How routine glucose biosensors actually measure blood glucose

2. Lower limits of detection by sensors is important. Which method of detection is more sensitive than glass electrode used for pH measurement? (1) Absorption spectroscopy (2) Refractive index (3) Circular dichroism (4) fluorescence spectroscopy

Why fluorescence spectroscopy is more sensitive than a glass pH electrode

1. Which enzyme is used in estimation of glucose from blood sample using biosensors? (1) Alkaline phosphatase (2) Glucose oxidase (3) Glycogen phosphorylase (4) Glucokinase

Enzyme used in blood glucose biosensor estimation

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