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Laboratory Work

Microbiologist Dr. Davis Lupo uses a luminometer to measure HIV infection of human cells in vitro while Lee Lam observes.Dr. Davis Lupo, a microbiologist in the Laboratory Branch (LB) in the Division of HIV/AIDS Prevention (DHAP) in NCHHSTP, is shown using a luminometer to measure HIV infection of human cells in vitro while Lee Lam observes.
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Biologist Shon Workman works in a Biological Safety Cabinet, validating a rapid HIV nucleic acid extraction and amplification process.Biologist Shon Workman, of the Laboratory Branch (LB) in the Division of HIV/AIDS Prevention (DHAP) in NCHHSTP, works in a Biological Safety Cabinet (BSC), validating a rapid HIV nucleic acid extraction and amplification process.
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Microbiologist Susan Phillips uses an Enzyme Linked ImmunoSorbent Assay to develop a method for the rapid detection of HIV p24 antigen nd biologist Trudy Dobbs works in a Biological Safety Cabinet preparing testing samples.Microbiologist Susan Phillips, of the Laboratory Branch (LB) in the Division of HIV/AIDS Prevention (DHAP) in NCHHSTP, is using an Enzyme Linked ImmunoSorbent Assay (ELISA) to develop a method for the rapid detection of HIV p24 antigen in blood samples. Biologist Trudy Dobbs (background) works in a Biological Safety Cabinet (BSC) preparing samples for testing.
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Biologist Damian Danavall prepares a mastermix for a multiplex real time PCR assay that can differentiate between four sexually transmitted organisms causing vaginal and urethral discharges.Biologist Damian Danavall, of the Laboratory Reference and Research Branch (LRRB) in the Division of STD Prevention (DSTDP) in NCHHSTP, prepares a mastermix for a multiplex real time PCR assay that can differentiate between four sexually transmitted organisms causing vaginal and urethral discharges.
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Microbiologist Dr. Hsi Liu and Damian Danavall perform a real-time PCR assay using a 96-well plate format.Microbiologist Dr. Hsi Liu (left) and Damian Danavall (right), of the Laboratory Reference and Research Branch (LRRB) in the Division of STD Prevention (DSTDP) in NCHHSTP, perform a real-time PCR assay using a 96-well plate format.
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Microbiologist Sean Toney evaluates a sample for the presence of acid-fast bacteria.Sean Toney, a microbiologist in the Mycobacteriology Lab Branch (MLB) in the Division of TB Elimination (DTBE) in NCHHSTP, evaluates a sample for the presence of acid-fast bacteria.
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Microbiologist Dr. Cheng-Yen Chen prepares a pyrosequencing experiment to differentiate between Chlamydia trachomatis L-serovars and other chlamydial serovars.Microbiologist Dr Cheng-Yen Chen, of the Laboratory Reference and Research Branch (LRRB) in the Division of STD Prevention (DSTDP) in NCHHSTP, prepares a pyrosequencing experiment to differentiate between Chlamydia trachomatis L-serovars responsible for Lymphogranuloma venerum (LGV) and other chlamydial serovars.
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Microbiologists Ray Butler and Sean Toney verify the mycolic acid samples used for species identification as they are loaded in the auto-sampler of a High Performance Liquid Chromatography instrument.Ray Butler (background) and Sean Toney (foreground), microbiologists in the Mycobacteriology Laboratory Branch (MLB) in the Division of TB Elimination (DTBE), verify the mycolic acid samples used for species identification as they are loaded in the auto-sampler of a High Performance Liquid Chromatography instrument.
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Microbiologists Mitch Yakrus and Glenn Morlock operate a DNA sequencing instrument.Mitch Yakrus (standing) and Glenn Morlock (seated), microbiologists in the Mycobacteriology Laboratory Branch (MLB) in the Division of TB Elimination (DTBE), are operating a DNA sequencing instrument.
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Service Fellow Dr. Sharmila Talekar loads Detection cups to perform ordered tests for the day for qualitative and quantitative in vitro diagnostic testing.Service Fellow Dr. Sharmila Talekar, of the Laboratory Branch (LB) in the Division of Viral Hepatitis (DVH) in NCHHSTP is loading Detection cups (D-cups) to perform the ordered tests for the day. The instrument in this picture is the COBAS AMPLICOR Analyzer, which is an automated clinical analyzer used in qualitative and quantitative in vitro diagnostic testing.
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