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Wright’s Stain: Preparation, Principle, Procedure, and Results
https://www.bioscience.com.pk/en/topics/pathology/wrights-stain-preparation-principle-procedure-and-resultsLearn how to prepare, apply, and interpret Wright’s stain for accurate diagnosis and monitoring of blood-related disorders. Wright’s stain is a Romanowsky-type stain developed by James Homer Wright in 1902. It combines eosin and methylene blue dyes to...
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Mars’ Jezero Crater Mudstones Reveal Redox Chemistry
https://www.bioscience.com.pk/en/subject/space-science/mars-jezero-crater-mudstones-reveal-redox-chemistryPerseverance’s analysis of Jezero Crater mudstones uncovers vivianite nodules and greigite-rich reaction fronts tied to organics, highlighting post-depositional redox cycles on ancient Mars. Jezero Crater on Mars has long fascinated scientists as a...
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Thrombin Time (TT)
https://www.bioscience.com.pk/en/topics/microbiology/thrombin-timeThrombin time assesses the final step of coagulation i.e. conversion of fibrinogen to fibrin by thrombin. Principle Thrombin is added to patient’s plasma and time required for clot formation is noted. Equipment Water bath at 37°C Test tubes (75 × 12...
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NASA Rover Finds Iron-Laced Mars Mudstone, Clues to Past Life
https://www.bioscience.com.pk/en/subject/space-science/nasa-rover-finds-iron-laced-mars-mudstone-clues-to-past-lifeTiny iron-phosphate nodules and sulfide rings in Jezero mudstones point to life on Mars. NASA’s Perseverance rover has revealed iron-phosphate “poppy seed” nodules and iron-sulfide reaction fronts in ancient mudstones of Jezero Crater. These mineral...