NDLI: Development of carbon dot based microplate and microfluidic chip immunoassay for rapid and sensitive detection of HIV-1 p24 antigen

Content Provider	Springer Nature Link
Author	Chunduri, L. A. Avinash Haleyurgirisetty, Mohan Kumar Patnaik, Sandeep Bulagonda, Pradeep Eswarappa Kurdekar, Aditya Liu, Jikun Hewlett, Indira K. Kamisetti, Venkataramaniah
Copyright Year	2016
Abstract	A highly sensitive, precisely specific, environmentally friendly, high-throughput, microwell-plate and microchip-based sandwich assay was developed to detect HIV-1 p24 antigen, a protein biomarker using fluorescent carbon dots. High quantum yield carbon dots were synthesized using citric acid and ethylenediamine as carbon and nitrogen sources by a single-step hydrothermal reaction. The desired amine groups confirmed by FTIR on the carbon dots were coupled to streptavidin by amine–amine coupling reaction using glutaraldehyde. The detection range of the carbon dot based immunoassay (CDIA) was found to be between 20 and 1000 pg/mL in a linear dose-dependent manner. CDIA tested for HIV negative plasma samples showed no false positive results in the detection of HIV-1 p24 antigen. The CDIA was extended to develop a microfluidic carbon dot immunoassay (μCDIA) which exhibited analytical sensitivity in the range of 30–1000 pg/mL. The CDIA and μCDIA can easily be adapted to a lab-on-a-chip platform for use in resource limited settings and can also be multiplexed for the detection of other pathogens like TB and Hepatitis.
Starting Page	1
Ending Page	10
Page Count	10
File Format	PDF
ISSN	16134982
Journal	Microfluidics and Nanofluidics
Volume Number	20
Issue Number	12
e-ISSN	16134990
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-12-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon dots Immunoassay HIV p24 antigen Sensitivity Engineering Fluid Dynamics Biomedical Engineering Analytical Chemistry Nanotechnology and Microengineering
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Materials Chemistry Condensed Matter Physics Electronic, Optical and Magnetic Materials

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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