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Microbiology

Image: Colored Transmission electron micrograph of Clostridium difficile bacterium forming an endospore (lower right, red oval). Clostridium difficile produce a toxin that irritates the colon and causes diarrhea (Photo courtesy of Kari Lounatmaa, PhD)

Quantity of Toxin in Stool Correlates with C. difficile Severity

Clostridioides difficile (syn. Clostridium difficile), also known as C. difficile, or C. diff are Gram-positive species of spore-forming bacteria. Clostridioides spp. are anaerobic, motile bacteria, ubiquitous in nature and especially prevalent in soil. C. difficile cells are Gram-positive and show optimum growth on blood agar at human body temperatures in the absence of oxygen. More...
25 Oct 2021
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Sysmex Inostics Launches New Ultra-Sensitive Leukemia Blood Test for Early Detection of Cancer Cells Following Initial Therapy

Sysmex Inostics (Baltimore, MD, USA) has developed a new CLIA-validated liquid biopsy test for the detection of Minimal Residual Disease (MRD) in Acute Myeloid Leukemia (AML) to better help in the fight against cancer. More...
21 Oct 2021
Image: QIAreach QuantiFERON-TB (Photo courtesy of QIAGEN N.V.)

Qiagen Launches Novel Tuberculosis Blood Test That Marks Quantum Leap from Traditional TB Skin Test

QIAGEN N.V. (Venlo, Netherlands) has announced the launch and CE marking of QIAreach QuantiFERON-TB test for tuberculosis (TB) infection, in order to help achieve global TB elimination targets by increasing access to easy and reliable TB testing, especially in high burden countries, low-resource regions. More...
21 Oct 2021
Image: The fully automated Pylon 3-D immunochemistry system (Photo courtesy of ET HealthCare)

Biosensor Platform Monitors SARS-CoV-2 Antibody Durability

Low initial severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibody titers dropping to undetectable levels within months after infections have raised concerns about long-term immunity. More...
20 Oct 2021
Image: Low anti-SARS-CoV-2 S antibody levels predict increased mortality and dissemination of viral components in the blood of critical COVID-19 patients (Photo courtesy of Instituto de Salud Carlos III)

Low Anti-SARS-CoV-2 S Antibody Levels Predict Increased Mortality

Anti-SARS-CoV-2 spike (S) antibodies bind to multiple domains in this viral protein. Host antibodies directed at the receptor binding domain (RBD) mediate inhibition of viral attachment to cell surface receptors. More...
20 Oct 2021
Image: The QuikRead go iFOBT is an immunochemical fecal immunochemical test for detection and quantification of human hemoglobin in feces in case of suspected bleeding from the lower gastrointestinal tract (Photo courtesy of Aidian)

Fecal Immunochemical Tubes Sourced to Analyze Gut Microbiome for CRC

Colorectal cancer (CRC) is a challenging public health problem which successful treatment depends on the stage at diagnosis. Recently, CRC-specific microbiome signatures have been proposed as a marker for CRC detection. More...
14 Oct 2021
Image: The GeneXpert MTB/RIF assay for tuberculosis and rifampicin resistance was compared with unique gene to detect Mycobacterium tuberculosis (Photo courtesy of Cepheid)

Unique Gene Detects Mycobacterium Tuberculosis in Clinical Sputum

Tuberculosis (TB) is a common infectious disease caused by Mycobacterium tuberculosis (MTB). The main organ infected by MTB is the lung, but many other tissues or organs can be affected, such as the bone and pleura. Two million people die of MTB infection each year due to poor quality of life and lack of awareness. More...
13 Oct 2021
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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.