Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/12441
Title: An electromechanical lab-on-a-chip platform for colorimetric detection of serum creatinine
Authors: Karakuzu, Betül
Tarım, Ergün Alperay
Öksüz, Cemre
Tekin, Hüseyin Cumhur
Keywords: Chronic kidney disease
ELISA
Serum creatinine
Biopolymers
Issue Date: Jul-2022
Publisher: American Chemical Society
Abstract: Chronic kidney disease (CKD) is a high-cost disease that affects approximately one in ten people globally, progresses rapidly, results in kidney failure or dialysis, and triggers other diseases. Although clinically used serum creatinine tests are used to evaluate kidney functions, these tests are not suitable for frequent and regular control at-home settings that obstruct the regular monitoring of kidney functions, improving CKD management with early intervention. This study introduced a new electromechanical lab-on-a-chip platform for point-of-care detection of serum creatinine levels using colorimetric enzyme-linked immunosorbent assay (ELISA). The platform was composed of a chip containing microreservoirs, a stirring bar coated with creatinine-specific antibodies, and a phone to detect color generated via ELISA protocols to evaluate creatinine levels. An electromechanical system was used to move the stirring bar to different microreservoirs and stir it inside them to capture and detect serum creatinine in the sample. The presented platform allowed automated analysis of creatinine in ~50 min down to ~1 and ~2 mg/dL in phosphate-buffered saline (PBS) and fetal bovine serum (FBS), respectively. Phone camera measurements in hue, saturation, value (HSV) space showed sensitive analysis compared to a benchtop spectrophotometer that could allow low-cost analysis at point-of-care.
URI: https://doi.org/10.1021/acsomega.2c03354
https://hdl.handle.net/11147/12441
Appears in Collections:Bioengineering / Biyomühendislik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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