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Title: Cloud-Enabled Microscopy and Droplet Microfluidic Platform for Specific Detection of Escherichia coli in Water

Journal Article · · PLoS ONE
 [1];  [2];  [3];  [4];  [2];  [5];  [6];  [7]
  1. Harvard Medical School, Boston, MA (United States). Shriners Burns Inst. Massachusetts General Hospital. Centre for Engineering in Medicine
  2. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States). Fuels Synthesis Division; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physical BioSciences Division; USDOE Joint Genome Institute (JGI), Walnut Creek, CA (United States)
  3. Technion-Israel Inst. of Technology, Haifa (Israel). Dept. of Computer Science
  4. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States). Fuels Synthesis Division; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physical BioSciences Division
  5. Harvard Medical School, Boston, MA (United States). Shriners Burns Inst. Massachusetts General Hospital. Centre for Engineering in Medicine; Rutgers Univ., New Brunswick, NJ (United States). Dept. of Biomedical Engineering
  6. Ben-Gurion Univ. of the Negev, Beer-Sheva (Israel). The National Inst. of Biotechnology in Negev. Dept. of Biotechnology Engineering; Nanyang Technological Univ. (Singapore). School of Materials Science and Engineering; NRF CREATE program for Nanomaterials in Energy and Water Management (Singapore)
  7. Northeastern Univ., Boston, MA (United States). Dept. of Pharmaceutical Sciences. School of Pharmacy. Bouvé College of Health Sciences

We report an all-in-one platform – ScanDrop – for the rapid and specific capture, detection, and identification of bacteria in drinking water. The ScanDrop platform integrates droplet microfluidics, a portable imaging system, and cloud-based control software and data storage. The cloud-based control software and data storage enables robotic image acquisition, remote image processing, and rapid data sharing. These features form a “cloud” network for water quality monitoring. We have demonstrated the capability of ScanDrop to perform water quality monitoring via the detection of an indicator coliform bacterium, Escherichia coli, in drinking water contaminated with feces. Magnetic beads conjugated with antibodies to E. coli antigen were used to selectively capture and isolate specific bacteria from water samples. The bead-captured bacteria were co-encapsulated in pico-liter droplets with fluorescently-labeled anti-E. coli antibodies, and imaged with an automated custom designed fluorescence microscope. The entire water quality diagnostic process required 8 hours from sample collection to online-accessible results compared with 2–4 days for other currently available standard detection methods.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER); Shriners Foundation; Singapore National Research Foundation
Grant/Contract Number:
AC02-05CH11231; 85120-BOS
OSTI ID:
1511391
Journal Information:
PLoS ONE, Vol. 9, Issue 1; ISSN 1932-6203
Publisher:
Public Library of ScienceCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 35 works
Citation information provided by
Web of Science

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Cited By (12)

Recent trends in the detection of pathogenic Escherichia coli O157 : H7 journal August 2015
Highly sensitive and specific detection of E. coli by a SERS nanobiosensor chip utilizing metallic nanosculptured thin films journal January 2015
Microengineered cell and tissue systems for drug screening and toxicology applications: Evolution of in-vitro liver technologies journal March 2015
Development of a Microsphere-Based System to Facilitate Real-Time Insulin Monitoring journal December 2015
Development of a biosensor protein bullet as a fluorescent method for fast detection of Escherichia coli in drinking water journal January 2018
Recent Advances in Applications of Droplet Microfluidics journal September 2015
Microfluidics Integrated Biosensors: A Leading Technology towards Lab-on-a-Chip and Sensing Applications journal December 2015
A Comprehensive Review of Microfluidic Water Quality Monitoring Sensors journal November 2019
Microfluidics Integrated Biosensors: A Leading Technology towards Lab-on-a-Chip and Sensing Applications text January 2019
Punch Card Programmable Microfluidics journal March 2015
Lab-on-Chip Cytometry Based on Magnetoresistive Sensors for Bacteria Detection in Milk journal August 2014
T Cell Dynamic Activation and Functional Analysis in Nanoliter Droplet Microarray journal January 2015

Figures / Tables (7)