NDLI: Fabrication of Uniform DNA-Conjugated Hydrogel Microparticles via Replica Molding for Facile Nucleic Acid Hybridization Assays

Content Provider	PubMed Central
Author	Lewis, Christina L. Choi, Chang-hyung Lin, Yan Lee, Chang-soo Yi, Hyunmin
Abstract	We identify and investigate several critical parameters in the fabrication of single-stranded DNA conjugated poly(ethylene glycol) (PEG) microparticles based on replica molding (RM) for highly uniform and robust nucleic acid hybridization assays. The effects of PEG-diacrylate, probe DNA, and photoinitiator concentrations on the overall fluorescence and target DNA penetration depth upon hybridization are examined. Fluorescence and confocal microscopy results illustrate high conjugation capacity of probe and target DNA, femtomole sensitivity, and sequence specificity. Combined these findings demonstrate a significant step toward simple, robust, and scalable procedures to manufacture highly uniform and high capacity hybridization assay particles in a well-controlled manner by exploiting many advantages that the batch processing-based RM technique offers. We envision that the results presented here may be readily applied to rapid and high throughput hybridization assays for a wide variety of applications in bioprocess monitoring, food safety, and biological threat detection.
Related Links	http://dx.doi.org/10.1021/ac101032r
Ending Page	5858
Page Count	8
Starting Page	5851
File Format	PDF
ISSN	00032700
e-ISSN	15206882
Journal	Analytical chemistry
Issue Number	13
Volume Number	82
Language	English
Publisher Date	2010-07-01
Access Restriction	Open
Subject Keyword	Analytical Chemistry Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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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
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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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