Columbia subject headings:
Biochemistry--Technique.
Biotechnology--Technique.
Phase partition.
Separation (Technology)
Harvard subject headings:
Biochemistry--Technique
Biotechnology--Technique
Phase partition.
Separation (Technology)
Princeton subject headings:
Biopolymers--Separation--Methodology.
Nucleic acids--Separation--Methodology.
Proteins--Separation--Methodology.
Separation (Technology)--Methodology.