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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Vashist, Sandeep Kumar |
| Description | Country affiliation: Ireland Author Affiliation: Vashist SK ( Centre for Bioanalytical Sciences (CBAS), National Centre for Sensor Research, Dublin City University, Dublin 9, Ireland. sandeep.vashist@yahoo.com) |
| Abstract | A sub-picogram sensitive chemiluminescent immunoassay (CIA) was developed for the detection of human fetuin A (HFA), a specific biomarker for hepatocellular carcinoma and atherosclerosis. The anti-HFA antibody was covalently bound to 3-aminopropyltriethoxysilane-functionalized 96-well chemiluminescent microtiter plates (MTP) using 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride and N-hydroxysulfosuccinimide. The developed CIA detected HFA in the range of 0.3 pg mL(-1)-20 ng mL(-1) with an analytical sensitivity of 5 pg mL(-1), which was 125-fold more sensitive than that of commercial enzyme linked immunosorbent assay (ELISA). It is the most sensitive immunoassay for HFA detection. The overall immunoassay duration was reduced significantly by more than 3-fold in comparison to that of commercial ELISA. The anti-HFA antibody-bound MTPs, stored at 4°C in 0.1M PBS, were highly stable and did not show any significant decrease in functional activity for six months. The perfect correlation between the developed CIA and commercial ELISA for the detection of various concentrations of HFA spiked in diluted human plasma further demonstrates the potential utility of the developed HFA CIA for clinical diagnosis. |
| ISSN | 09565663 |
| Issue Number | 1 |
| Volume Number | 40 |
| e-ISSN | 18734235 |
| Journal | Biosensors and Bioelectronics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-02-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biosensing Techniques Instrumentation Blood Chemical Analysis Immunoassay Luminescent Measurements Microchemistry Nanotechnology Alpha-2-hs-glycoprotein Analysis Equipment Design Equipment Failure Analysis Humans Reproducibility Of Results Sensitivity And Specificity Journal Article Research Support, Non-u.s. Gov't Discipline Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Medicine Biophysics Biomedical Engineering Biotechnology Electrochemistry |
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