Science notes

  Fact 1 : The way we breathe affects our appetite. Breathing slowly helps in increasing our lifespan. It's always recommended to breathe via our nose to avoid sore throats and tonsillitis.

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Introduction : Microbes are present everywhere on earch, iie. in soil, air, water, inside our body and that of other animals and plants. Ihey are even present in extreme conditions like thermal vents (geysers) with high temperature as 100°C , under thick layers of snow and in highly acidic environments. The microbes like fungi and bacteria can be cultured in laboratory  on nutritive media to form colonies, that can be seen with the  naked eyes. Such cultures are useful in scientific studies on  microorganisms. Microbes have also become part of many u seful articles used by humans like fermented honey, wines,b read, curd, etc. The various microbes used in household  products, industries and sewage are discussed further . Microbes in Household Products : ⇒Microbes and their products are used in everyday life,   e.g. production of curd, formation of dough,cheese,etc... Curd : ⇒Microorganisms like Lacobacillus and other commonly called Lactic Acid Bacteria (LAB) g...

Introduction :     The bacterial endotoxin test is a critical quality control test used in the pharmaceutical industry to ensure the safety of parenteral drugs and medical devices. Endotoxins are bacterial lipopolysaccharides (LPS) found in the cell walls of Gram-negative bacteria. When introduced into the human body, particularly through injection or infusion, endotoxins can trigger strong immune responses and cause severe adverse reactions, including fever, shock, and even death.     Key aspects of the bacterial endotoxin test  : Purpose : The primary purpose of the bacterial endotoxin test is to confirm that pharmaceutical products, particularly those intended for injection, are free from harmful levels of endotoxins. This test helps ensure the safety and efficacy of drugs and medical devices. Test Methods : There are various methods for conducting the bacterial endotoxin test, but the most common one is the Limulus Amebocyte Lysate (LAL) test.  ⇒T...