(śodhana) is an important concept and practice in Hinduism on several levels: (1) ritual purification is necessary if caste regulations have been broken and before important pūjās; (2) physical purification is done both externally as a...

Concepts of pollution and purity are found in virtually all the religions of the world. While some religions recognize subtle distinctions of relative pollution, others place less emphasis upon the social and religious categories that determine...

Purification is the process of rendering something pure, i.e. clean of foreign elements and/or pollution, and may refer...

Getting from a cell culture to a purified biotech product is a demanding exercise involving many operations. Increasing productivity in the upstream part of biotech production is placing new demands on the purification process, which may lead to adopting new technologies. Large-scale protein...

ANAHEIM, Calif. -- Every contractor knows that consumers are looking for ways to ensure cleaner, healthier indoor air. The market for air purification products is brimming with systems that can help homeowners and building owners, and manufacturers were on hand at the 2004...