Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering
Patent
1985-07-01
1986-11-25
Niebling, John F.
Chemistry: electrical and wave energy
Apparatus
Coating, forming or etching by sputtering
2041828, 204299R, G01N 2728
Patent
active
046247696
ABSTRACT:
An improved electrophoresis apparatus for nucleic acid fragments in which nucleic acid fragments are separated in the order of their molecular weight in an electrophoresis cell using an electrophoretic gel for determining the base sequence of a nucleic acid, the improvement comprising a nucleic acid fragment specimen supply section for supplying the nucleic acid fragments to the electrophoresis cell, disposed thereover a molecular sieving membrane having a predetermined degree of molecular permeability for separating to remove those high molecular weight ingredients in the nucleic acid fragment specimen other than the fragments intended to be analyzed electrophoretically.
REFERENCES:
patent: 3720593 (1973-03-01), Juhos
patent: 3844925 (1974-10-01), Stathakos
patent: 3932265 (1976-01-01), Hoefer
patent: 4479861 (1984-10-01), Hediger
Harada Yoshinori
Kambara Hideki
Nagai Keiichi
Simada Tamotu
Tokita Jirou
Boggs Jr. B. J.
Hitachi , Ltd.
Niebling John F.
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