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Microbiology

Image: New research uses DNA technology to detect a wide range of substances (Photo courtesy of ScienceBlog).

DNA-Based Platform Detects Traces of Molecules from Broad Range of Sources

Researchers have harnessed synthetic DNA technology to develop a super-efficient nanomachine that detects trace amounts of substances that range from viruses and bacteria to cocaine and metals. More...
19 Jul 2016
Image: The breakthrough 7-gene blood test may enable physicians to determine whether their patients have a bacterial or viral infection (Photo courtesy of Erin Kunkel and Stanford University Medical Center).

Low-Cost Genetic Test Can Distinguish Bacterial from Viral Infections

Upon identifying a set of seven relevant genes, a breakthrough rapid blood test has been developed that, with further development and testing, may soon enable physicians to determine if a patient has a bacterial or viral infection. More...
19 Jul 2016
Image: The prototype of a rapid, low-cost genetic test for the Zika virus. The patient provides a saliva sample, and the appearance of a blue color in the device\'s lid indicates the presence of the virus (Photo courtesy of the University of Pennsylvania).

Field Test for Zika Virus Combines PCR Components into a Single Low Cost Unit

A prototype PCR-based field test for the detection of the Zika virus (ZIKV) incorporates all required components and delivers accurate results in only about 40 minutes. More...
18 Jul 2016
Image: The protozoan parasite Dientamoeba fragilis from a stool sample. Trophozoites exhibit an amoeba-like morphology and are often bi-nucleated (Photo courtesy of Tulane University).

Laboratory Diagnosis Required for Treating Patients with Persistent Diarrhea

Persistent diarrhea, which is diarrhea that lasts at least 14 days, is an illness typically caused by parasites or bacteria and requires accurate diagnosis in order to determine the proper etiologic diagnosis which is important for appropriate therapeutic management. More...
13 Jul 2016
Image: Handheld- and mobile phone-based microscopes: A) The Newton Nm1-600 XY portable field microscope B) The reversed-lens CellScope attached to an iPhone 5s (Photo courtesy of University Health Network).

Mobile Phone-Based Microscopes Diagnose Intestinal Parasites

Handheld, mobile phone-based microscopes can be used in developing countries after minimal training of community laboratory technicians to diagnose intestinal parasites quickly and accurately. More...
13 Jul 2016
Image: The production of ImmuStick, showing the application of immune receptors onto the test strip (Photo courtesy of Fraunhofer IGB).

New Technique May Provide Low-Cost Pathogen Testing

Researchers are developing a rapid pyrogen-detection stick-test for detecting presence of pathogens and allergens. The test has potential applications in clinical diagnostics as well as in food, pharmaceutical, and hospital environment testing. More...
12 Jul 2016
Image: An adult deer tick Ixodes scapularis. Lyme disease is caused by Borrelia bacteria and transmitted to humans upon the bite of infected ticks of the genus Ixodes (Photo courtesy of Scott Bauer, Agricultural Research Service of USDA / Wikimedia).

Likely Flaws Uncovered for LM-Method for Lyme Disease Detection

According to a new study, the recently developed modified microscopy technique “LM-method” of examining blood samples to help diagnose Lyme disease (and babesiosis) – is unable to distinguish infected patients from healthy controls, yielding many false-positive results. More...
12 Jul 2016
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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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