Enzymes are one of the most important biomolecules which has a wide range of applications in industrial as well as biomedical field. They are important due to their many useful properties. Their development, to a great extent, has been possible due to the availability of microbial sources. Microorganisms are of much attention because they can be produced economically and are amenable to genetic...

The history and origins of proficiency testing of clinical laboratories are reviewed. Since the introduction of proficiency testing in the late 1940s, dramatic improvement in laboratory performance has been demonstrated. Nonetheless, the poor performance found two decades earlier was summoned to support the passage of the Clinical Laboratory Improvement Act of 1967 (CLIA '67).

objective: to assess the level of awareness on breast cancer among women of reproductive age. materials and methods: a cross-sectional descriptive study was conducted in opd of dhaka medical college hospital among the 175 respondents by face to face interview using pretested semi structured questionnaire. results: one forth (23%) aged 21-25 years, mostly muslim (86.3%), housewives (72.57%), had...

Background: In 2008, the Chilean National Nursing Examination Commission, COENENF, developed a national nursing exam (ENENF). Since 2013, COENENF has implemented validated opinion survey at time of examination to strengthen quality and facilitate its continuous improvement.