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Microbiology

Image: Electron micrograph of human papillomavirus (HPV) (Photo courtesy of the [US] National Institutes of Health).

DNA-Based Test Predicts Likelihood of HPV-Linked Oral Cancer Recurrence

A recent paper described using a real-time quantitative polymerase chain reaction to detect human papillomavirus DNA in saliva and blood for the diagnosis of oropharyngeal squamous cell carcinoma and to predict likelihood of recurrence of the disease after treatment.   More...
13 Aug 2014
Image: A lab-on-chip to identify and differentiate tropical pathogens (Photo courtesy of the Agency for Science, Technology and Research).

Lab-on-Chip Identifies and Differentiates Tropical Pathogens

Tropical pathogens often cause febrile illnesses in humans and are responsible for considerable morbidity and mortality and the similarities in clinical symptoms provoked by these pathogens make diagnosis difficult.  More...
13 Aug 2014
Image:  The Procleix Panther System is a highly evolved, fully integrated and automated NAT (nucleic acid technology) system for blood and plasma screening (Photo courtesy of Grifols Diagnostic Solutions Inc.).

Fully Automated Hepatitis E Virus Assay Now CE-marked

Clinical laboratories in Europe now have available a fully automated and highly sensitive nucleic acid technology test with CE-marking for the detection of Hepatitis E virus RNA in donors of blood, blood components, tissues, and organs.   More...
06 Aug 2014
Image: Photomicrograph of Coccidioides immitis in lung tissue showing as large, irregularly sized thick walled spherules (Photo courtesy of Dr. William McDonald, MD).

Microarray Diagnostic Tool Helps Diagnose Valley Fever

Valley fever is a fungal respiratory infection and can be acquired when microscopic spores of the soil-dwelling fungus are inhaled and VF is difficult to diagnose partly because symptoms are confounded with other community-acquired pneumonias.  More...
05 Aug 2014
Image: Photomicrograph of a thin film blood smear reveals the presence of two Plasmodium vivax schizonts, an immature form on the left, and a mature form on the right (Photo courtesy of Dr. Mae Melvin).

Rapid Diagnostic Tests Compared for Benign Tertian Malaria

The standard method for malaria diagnosis is by the routine microscopic examination of Giemsa-stained blood smears and rapid diagnostic tests that detect malaria parasite proteins by immunochromatography which have been used as complementary detection method for malaria diagnosis.  More...
04 Aug 2014
Image: The Lateral flow test for human African trypanosomiasis using a single-antigen (sVSG117) prototype (left)  and a dual-antigen prototype developed with infection serum and control uninfected serum (right) (Photo courtesy of University of Dundee).

Lateral Flow Test Evaluated for African Trypanosomiasis

A prototype lateral flow test has been developed to diagnose human African trypanosomiasis, also known as sleeping sickness, which could improve on the Card Agglutination Test for Trypanosomiasis.  More...
04 Aug 2014
Image: Scanning Electron Micrograph of the pathogenic fungus Cryptococcus gattii (Photo courtesy of Edmond Byrnes and Joseph Heitman).

New Test Developed to Diagnose Virulent Lung Fungus

The emergence of distinct populations of Cryptococcus gattii in the temperate North American Pacific Northwest was surprising, as this species was previously thought to be confined to tropical and semitropical regions.   More...
04 Aug 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.