The ritual of the Red Heifer is one of the most mysterious rituals in the entire Torah. (I have no doubt that this first sentence has been written many times before, but the ritual is so mysterious — ...

Assalaamu alaykum. My question is a very different question. Please help me and guide me. If something in your home is impure and you know about it and your family members touch it or use it and they ...

Assalamu alaikum, My question regards najaasah and removal of impurities: Let's say a piece of cooked pig meat (like pork or bacon) or a wet dog's saliva touched my shirt. I removed the shirt and the ...

This case study highlights analytical instrumentation and techniques that were used to identify an unknown impurity detected during routine release testing of a topical gel drug product. It is not ...

Experts share insights on the various methods used for purity and impurity analysis of therapeutic proteins. Impurities can have a negative impact on the stability, safety, and efficacy of protein ...

Impurity removal is one of the last steps in the hydrometallurgical processing of rare earths elements (“REE”) and is performed to remove non-REE minerals from the leach liquor prior to solvent ...

The central phenomenon in the field of organic spintronics is the large magnetoresistance in thick organic spin valves. A prerequisite for understanding the magnetoresistance is a reliable description ...