Article ; Online: Electrochemical prostate-specific antigen biosensors based on electroconductive nanomaterials and polymers.
Clinica chimica acta; international journal of clinical chemistry
2021 Volume 516, Page(s) 111–135
Abstract: Prostate cancer (PCa), the second most malignant neoplasm in men, is also the fifth leading cause of cancer-related deaths in men globally. Unfortunately, this malignancy remains largely asymptomatic until late-stage emergence when treatment is limited ... ...
| Abstract | Prostate cancer (PCa), the second most malignant neoplasm in men, is also the fifth leading cause of cancer-related deaths in men globally. Unfortunately, this malignancy remains largely asymptomatic until late-stage emergence when treatment is limited due to the lack of effective metastatic PCa therapeutics. Due to these limitations, early PCa detection through prostate-specific antigen (PSA) screening has become increasingly important, resulting in a more than 50% decrease in mortality. Conventional assays for PSA detection, such as enzyme-linked immunosorbent assay (ELISA), are labor intensive, relatively expensive, operator-dependent and do not provide adequate sensitivity. Electrochemical biosensors overcome these limitations because they are rapid, cost-effective, simple to use and ultrasensitive. This article reviews electrochemical PSA biosensors using electroconductive nanomaterials such as carbon-, metal-, metal oxide- and peptide-based nanostructures, as well as polymers to significantly improve conductivity and enhance sensitivity. Challenges associated with the development of these devices are discussed thus providing additional insight into their analytic strength as well as their potential use in early PCa detection. |
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| MeSH term(s) | Biosensing Techniques ; Humans ; Male ; Nanostructures ; Polymers ; Prostate-Specific Antigen ; Prostatic Neoplasms/diagnosis |
| Chemical Substances | Polymers ; Prostate-Specific Antigen (EC 3.4.21.77) |
| Language | English |
| Publishing date | 2021-02-02 |
| Publishing country | Netherlands |
| Document type | Journal Article ; Review |
| ZDB-ID | 80228-1 |
| ISSN | 1873-3492 ; 0009-8981 |
| ISSN (online) | 1873-3492 |
| ISSN | 0009-8981 |
| DOI | 10.1016/j.cca.2021.01.018 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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