USP 797 sets standards for preparing sterile preparations, including allergen extract preparation. The requirements for compounding of allergenic extracts are laid out in a specific paragraph of USP 797 …

In the experiment done in this lab, a mixture of a carboxylic acid and a neutral compound will be separated by an acid-base extraction. The separate compounds will be purified by recrystallization …

Personnel must demonstrate proficiency in sterile compounding procedures by passing written or electronic testing before they can be allowed to com-pound allergenic extract prescription sets.

Extract PCR-ready DNA from different tissue types in a quick and simple, single-tube protocol (15–20 min), without the need for hazardous chemicals or multiple washing steps.

In this Tech Tip, various methods of extraction (elution) of proteins from polyacrylamide gels are described. The first step in purifying a protein from a polyacrylamide gel is to locate the …

The compost extract should be applied within one day, to ensure viability of the microorganisms. Immediately after applying the extract, water the ground thoroughly.

The Nuclear Extract Kit has been developed for the preparation of nuclear, whole-cell and cytoplasmic extracts from cells or tissue. The kit procedure is a simple, fast and effective way to obtain non …