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Microbiology

Image: The BrukerAutoflex MALDI-TOF mass spectrometer (Photo courtesy of Bruker-Daltonics).

Cutaneous Leishmaniasis Species Identified by Mass Spectrometry

Cutaneous leishmaniasis is caused by several Leishmania species that are associated with variable outcomes before and after therapy and optimal treatment decision is based on an accurate identification of the infecting species.  More...
18 Jun 2014
Image: Flower patterned nitrocellulose paper substrate used to develop a novel multiplex, rapid diagnostic test for hepatitis C infection (Photo courtesy of the Chinese Academy of Medical Sciences and the American Chemical Society).

Rapid Diagnostic Test for Hepatitis C Developed with Scrapbooking Tool

Scientists have used a novel approach to develop a paper-based multiplex diagnostic immunoassay that could help curb the hepatitis C pandemic.  More...
17 Jun 2014
Image: Transmission electron micrograph of Candidatus Neoehrlichia mikurensis (A).  The arrows indicate the thin, rippled, bileaflet outer membrane which is characteristic of the bacterium (B), the irregular, narrow periplasmic space between inner and outer membranes, also characteristic (C) and canalicular system of the endothelial cell (D) (Photo courtesy of Yasuko Rikihisa).

New Tick-Borne Disease Threatens Primarily Immune Suppressed Persons

A newly discovered tick-borne bacterium known as Candidatus Neoehrlichia mikurensis has been implicated in six cases of the disease in Sweden.  More...
16 Jun 2014
Image: The Mini-FLOTAC device for the detection of helminthic eggs (Photo courtesy of Prof. Giuseppe Cringoli).

Alternative Methods Tested for Detection of Soil-Transmitted Helminths

The commonly used diagnostic technique for the detection of soil-transmitted helminths is the Kato-Katz method, but it has low sensitivity arising mainly from the nonrandom distribution of eggs in stool and day-to-day variation in egg output.   More...
12 Jun 2014
Image: ADVIA Centaur XP Immunoassay System (Photo courtesy of Siemens).

Commercial Treponemal Assays Compared for Syphilis Detection

Treponemal tests for detecting syphilis should be sufficiently sensitive and specific, especially when used as the first-line method in reverse-algorithm testing.  More...
12 Jun 2014
Image: MERS-CoV electron micrograph: MERS-CoV particles as seen by negative stain electron microscopy. Virions contain characteristic club-like projections emanating from the viral membrane (Photo courtesy of Wikipedia Commons).

MERS-CoV Immunity Not Widespread

A study has found no significant rates of antibodies against Middle East respiratory syndrome coronavirus in one Middle East-North Africa region, suggesting that the virus has not been circulating in humans for long, and that the majority of the population remains susceptible to infection.   More...
12 Jun 2014
Image: Scanning electron micrograph of Streptococcus pyogenes, the bacteria associated with Group A streptococcal pharyngitis (Photo courtesy of S. Lowry).

Confirmation Required for Negative Rapid Group A Streptococcal Test

Negative tests results from a rapid analysis of a throat swab for Group A streptococcal pharyngitis, performed in a doctor's office should be confirmed through a follow-up laboratory culture.  More...
11 Jun 2014
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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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