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Sensors 2015, 15(7), 14864-14870; doi:10.3390/s150714864

Non-Invasive Optical Sensor Based Approaches for Monitoring Virus Culture to Minimize BSL3 Laboratory Entry

1
LMV/DETTD/OBRR/CBER/FDA, Silver Spring, MD 20993, USA
2
Center for Advanced Sensor Technology and Department of Chemical, Biochemical and Environmental Engineering, University of Maryland, Baltimore County, MD 21250, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Stephane Evoy
Received: 24 March 2015 / Revised: 13 May 2015 / Accepted: 15 June 2015 / Published: 24 June 2015
(This article belongs to the Special Issue Biosensors for Pathogen Detection)
View Full-Text   |   Download PDF [1480 KB, uploaded 24 June 2015]   |  

Abstract

High titers of infectious viruses for vaccine and diagnostic reference panel development are made by infecting susceptible mammalian cells. Laboratory procedures are strictly performed in a Bio-Safety Level-3 (BSL3) laboratory and each entry and exit involves the use of disposable Personnel Protective Equipment (PPE) to observe cell culture conditions. Routine PPE use involves significant recurring costs. Alternative non-invasive optical sensor based approaches to remotely monitor cell culture may provide a promising and cost effective approach to monitor infectious virus cultures resulting in lower disruption and costs. We report here the monitoring of high titer cultures of Human Immunodeficiency Virus-1 (HIV-1) and Herpes Simplex Virus-2 (HSV-2) remotely with the use of optical oxygen sensors aseptically placed inside the cell culture vessel. The replacement of culture media for cell and virus propagation and virus load monitoring was effectively performed using this fluorescent sensor and resulted in half the number of visits to the BSL3 lab (five versus ten). View Full-Text
Keywords: virus cell culture; BSL3 use; monitoring; optical sensor virus cell culture; BSL3 use; monitoring; optical sensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Ragupathy, V.; Setty, M.K.H.G.; Kostov, Y.; Ge, X.; Uplekar, S.; Hewlett, I.; Rao, G. Non-Invasive Optical Sensor Based Approaches for Monitoring Virus Culture to Minimize BSL3 Laboratory Entry. Sensors 2015, 15, 14864-14870.

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