conclusions this study showed that some properties of antimicrobial substances produced by the ga strain differed from other peptide antibiotics produced by the genus bacillus such as bacitracin, which increases the likelihood of its novelty. results the isolated bacterium was identified as a new strain of bacillus atrophaeus. the antimicrobial substance exhibited heat stability between 25ºc an...

Acid-fast staining has been utilized in the field of medicine since late 1800s. It was, for a while, considered gold standard diagnosing leprosy and tuberculosis. Principally it uses 1 primary agent, carbol fuchsin; methylene blue as counter stain. The emergence molecular-based diagnostic tests makes some us question relevance acid-fast daily practice. This literature review aimed to revisit me...

error is an inevitable part of life and cannot be completely eliminated, but it can be minimized. a root cause analysis is a technique for understanding the systematic error causes that is involved beyond a person or people to implement an errors and including field and environmental causes of errors when occur in this situation too. an important factor of an error occurrence is a root cause (c...

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metronidazole, a synthetic derivative of the nitroimidazole class is a known antibacterial and antiprotozoal agent. the hypolipidemic effect of metronidazole was not known. the authors noticed it incidentally for the first time. after quazi experimental studies on several cases, it was revealed that 750 mg of metronidazole for 10 days significantly decreased serum cholesterol. this trial was pe...

Sonazoid, a second-generation ultrasound contrast agent, was introduced for the diagnosis of hepatic nodules. To clarify issues with Sonazoid contrast-enhanced ultrasonography hepatocellular carcinoma (HCC), Korean Society Radiology and Abdominal collaborated on guidelines. The guidelines are de novo, evidence-based, selected using an electronic voting system consensus. These include imaging pr...