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Distinguishable Colorimetric Biosensor for Diagnosis of Prostate Cancer Bone Metastases
Castration‐resistant prostate cancer (PCa) causes severe bone metastasis (BM), which significantly increases mortality in men with PCa. Imaging tests and radiometric scanning require long analysis times, expensive equipment, specialized personnel, and a slow turnaround. New visualization technologies are expected to solve the above problems. Nonetheless, existing visualization techniques barely meet the urgency for precise diagnosis because the human eyes cannot recognize and capture even slight variations in visual information. By using dye differentiated superposition enhancement colorimetric biosensors, an effective method to diagnose prostate cancer bone metastases (PCa‐BM) with excellent accuracy for naked‐eye quantitative detection of alkaline phosphatase (ALP) is developed. The biomarker ALP specific hydrolytic product ascorbic acid can be detected by rhodamine derivatives (Rd) as gold nanobipyramids (Au NBPs) are deposited and grown. Color‐recombining enhancement effects between Rd and Au NBPs significantly improved abundance. The 150 U L−1 threshold between normal and abnormal can be identified by color. And with color enhancement effect and double signal response, the ALP index is visually measured to diagnose PCa‐BM and provide handy treatment recommendations. Additionally, the proposed colorimetric sensing strategy can be used to diagnose other diseases.
Distinguishable Colorimetric Biosensor for Diagnosis of Prostate Cancer Bone Metastases
Castration‐resistant prostate cancer (PCa) causes severe bone metastasis (BM), which significantly increases mortality in men with PCa. Imaging tests and radiometric scanning require long analysis times, expensive equipment, specialized personnel, and a slow turnaround. New visualization technologies are expected to solve the above problems. Nonetheless, existing visualization techniques barely meet the urgency for precise diagnosis because the human eyes cannot recognize and capture even slight variations in visual information. By using dye differentiated superposition enhancement colorimetric biosensors, an effective method to diagnose prostate cancer bone metastases (PCa‐BM) with excellent accuracy for naked‐eye quantitative detection of alkaline phosphatase (ALP) is developed. The biomarker ALP specific hydrolytic product ascorbic acid can be detected by rhodamine derivatives (Rd) as gold nanobipyramids (Au NBPs) are deposited and grown. Color‐recombining enhancement effects between Rd and Au NBPs significantly improved abundance. The 150 U L−1 threshold between normal and abnormal can be identified by color. And with color enhancement effect and double signal response, the ALP index is visually measured to diagnose PCa‐BM and provide handy treatment recommendations. Additionally, the proposed colorimetric sensing strategy can be used to diagnose other diseases.
Distinguishable Colorimetric Biosensor for Diagnosis of Prostate Cancer Bone Metastases
Li, Ming (author) / Ding, Caiping (author) / Zhang, Dong (author) / Chen, Weiwei (author) / Yan, Zejun (author) / Chen, Zikang (author) / Guo, Zhiyong (author) / Guo, Longhua (author) / Huang, Youju (author)
Advanced Science ; 10
2023-11-01
11 pages
Article (Journal)
Electronic Resource
English
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