期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 289, 期 -, 页码 42-47出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2019.03.072
关键词
Prostate cancer; Potentiometric multisensor system; Classification; Logistic regression; Diagnostics
资金
- RFBR-NSFC project [18-53-53016 GFEN_a, 8171101322]
- Government of Russian Federation [08-08]
We report a simple potentiometric multisensor system for distinguishing the urine samples from the patients with diagnosed prostate cancer and from healthy control group. The sensors of the system are sensitive towards variety of cationic and anionic species in urine, as well as to the presence of RedOx pairs. The response of the system represents a complex chemical fingerprint of urine sample that can be related with patient status through multivariate modelling. 89 urine samples were studied (43 from cancer patients confirmed by prostatic puncture biopsy and 46 from healthy control group) and variety of multivariate classification techniques was applied to the potentiometric data. The best results were obtained with logistic regression model yielding 100% sensitivity and 93% specificity in the independent test set of samples.
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