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Microbiology

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
DIASOURCE (A Biovendor Company)
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
Image: A scanning electron microscope (SEM) image of a single human lymphocyte (Photo courtesy of the National Cancer Institute).

Checklist Developed for Early Identification of Infants with SCID

Poor recognition of severe combined immune deficiency (SCID) syndrome by front-line doctors is leading to delays in diagnosis. A new testing regime aims to make diagnosis faster so that more infants with SCID, a “bubble-baby disease”, can receive life-saving treatment in time. More...
26 Sep 2017
Image: Scientists measured the transport of bacteria across the colon biopsy in an Ussing chamber (Photo courtesy of Karin Söderlund Leifler).

IBS Colon Reacts Differently to Bacteria

Irritable bowel syndrome disturbs bowel function and the condition leads to repeated episodes of abdominal pain, and usually gives rise to constipation or diarrhea. Around 10% of people in Sweden suffer from IBS, and it is twice as common among women as among men. More...
21 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.
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