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Microbiology

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Flocked Swab Reveals Severe Diarrheagenic Babies Had Undiagnosed Infection

Diarrheal disease is a leading cause of death for young children and most pediatric gastroenteritis is caused by viral pathogens; consequently, current recommendations advocate against routine antibacterial therapy if children present without bloody stools.  More...
09 Jun 2015
Image: Mycobacterium tuberculosis (stained purple) in a tissue specimen (blue) (Photo courtesy of the CDC - [US] Centers for Disease Control and Prevention).

A Tool to Predict Tuberculosis Drug Resistance Now Available Online

A new online tool for the rapid analysis of whole genome sequence data is set to aid clinicians predict whether a particular patient's tuberculosis will be susceptible to frequently prescribed antibiotics.  More...
09 Jun 2015
Image: Newly designed bacteria with synthetically rewired genetic circuitry act as bactosensors to detect abnormal glucose levels in urine of diabetes patients (Photo courtesy of Chris Bickel and the journal Science).

Next-Generation Whole-Cell Biosensors May Provide New Approach to Diagnostics

Researchers have developed the first programmable bacterial cells for medical diagnosis with improved computing and amplification capacity that could enable earlier clinical detection of various pathological biomarkers in urine or blood.  More...
08 Jun 2015
Image: Schematic of the antibiotic susceptibility testing device. Bacteria are cultured in miniature chambers, each of which contains a filter for bacterial capture and electrodes for readout of bacterial metabolism (Photo courtesy of the University of Toronto).

Microchip Device for One Hour Antibiotic Resistance Testing

A novel electrochemical approach – designed to replace growth or fluorescent tests for drug resistance – can determine within one hour whether a culture of bacteria is susceptible to a particular antibiotic.   More...
08 Jun 2015

New Sandwich Biosensor Developed for Tuberculosis Diagnosis and Screening

Researchers have developed a system that could quickly and reliably identify people infected with Mycobacterium tuberculosis and simultaneously differentiate from those who have received the bacillus Calmette-Guerin vaccine for tuberculosis.  More...
07 Jun 2015
Image: An antibiogram showing a culture plate with different antibiotic discs and bacterial sensitivity (Photo courtesy of World Health Organization).

Diagnostic Errors Lead to Inappropriate Antimicrobial Use

Misdiagnoses can lead to increased risk of incorrect antibiotic use, threatening patient outcomes and antimicrobial efficacy, while increasing healthcare costs.  More...
01 Jun 2015
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Rapid Strep A PCR Test Approved for Use Outside Traditional Clinical Labs

A 15-minute diagnostic test for the detection of Streptococcus A in throat cultures that was designed to be run on a user-friendly, automated PCR platform has been granted a CLIA waiver from the [US] Food and Drug Administration.  More...
01 Jun 2015
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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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