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Microbiology

Image: A new paper-based immunoassay rapidly distinguishes between Zika and dengue virus infections (Photo courtesy of the Massachusetts Institute of Technology).

Paper-based Immunoassay Distinguishes Zika and Dengue Infections

A rapid, easy-to-use immunoassay identifies individuals with Zika virus infection with no false positive results due to dengue virus or other flaviviruses. More...
09 Oct 2017
Image: Hepatitis C virus (HCV) tests are immunochromatographic rapid tests for the qualitative detection of antibodies specific to HCV in human serum, plasma or whole blood (Photo courtesy of Dr. Robert Cox, MD).

Rapid Hepatitis C Testing Helps Screen Young Adults

Hepatitis C (HCV) is a viral infection that affects the liver and an estimated 3.2 million people in the USA are infected with HCV, and most do not feel ill or know that they are infected. Since 2010, acute cases of HCV have more than doubled, with new cases predominantly among young, white individuals with a history of injection drug use. More...
04 Oct 2017
Image: Beta-hemolytic colonies are distinguishable in agar co-cultures with alpha hemolytic S. pneumoniae. (A) Fluorescent and bright-field images of pure and admixed bacterial colonies in BHI agar with L-Hoechst (Photo courtesy of Temasek Life Sciences Laboratory).

Lipid Vesicles Replace Blood in New Bacteria Test

Beta-hemolytic bacteria are those pathogens that are frequently to blame for illnesses that are spread among school children like Streptococcus, or those like Listeria that cause many foodborne illnesses. The current test involves streaking a patient sample onto blood agar plates. More...
04 Oct 2017
Image: The Hybrid Capture 2 modular system used for processing the digene HC2 HPV DNA Test of human papillomavirus infections (Photo courtesy of Qiagen).

HPV Testing Detects More Precancerous Lesions

Human papillomavirus (HPV) testing detects a higher number of precancerous cervical lesions than cytology-based Papanicolaou (Pap) smears in a female population including a proportion offered HPV vaccination according to a new study. More...
03 Oct 2017
Image: The Alere Filariasis Test Strip (FTS) (Left panel, strong positive) and The BinaxNOW Filariasis Immunochromatographic card (Right pane, weak positivel) are in vitro immunodiagnostic tests used to detect Wuchereria bancrofti antigen in whole blood, serum, or plasma (Photo courtesy of Dr. Peter U Fischer).

POC Tests Evaluated for Filarial Antigenemia

Lymphatic filariasis (LF) is a major neglected tropical disease (NTD) that has been targeted for elimination by 2020. The Global Programme to Eliminate Lymphatic Filariasis (GPELF, launched in 2000) uses repeated rounds of mass drug administration (MDA) with antifilarial drugs to interrupt transmission of the parasite. More...
28 Sep 2017
Image: A photomicrograph showing Blastomyces organisms stained with Periodic Acid Schiff (PAS). Note the budding organism (arrow) and the underlying pyogranulomatous inflammatory reaction in the background (Photo courtesy of University of Alabama at Birmingham).

Immunocompromised Patients at Risk for Blastomycosis

Most invasive fungal infections in immunocompromised patients are caused by Zygomycetes, Aspergillus, and Candida, but literature about Blastomyces infection in immunocompromised patients has been sparse. More...
28 Sep 2017
Image: Scientists have developed a rapid, paper-based TB text that allows results to be read with a smartphone (Photo courtesy of Wikimedia Commons).

Paper-Based TB Test Could Increase Diagnoses Worldwide

In resource-limited areas, equipment requirements and long wait times for results are obstacles to early diagnosis and treatment of tuberculosis (TB). To tackle this problem, scientists have developed a rapid colorimetric TB assay using gold nanoparticles on a paper-based device than enables results to be read with a smartphone. More...
26 Sep 2017
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The LabMedica Microbiology channel provides the latest news in the fields of epidemiology, bacteriology, virology, and parasitology, all viewed from the unique perspective of Laboratory Medicine.