Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Organic polymerization
Patent
1993-10-28
1995-07-04
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Organic polymerization
422101, 422102, 422116, 435 6, 435287, 436518, 935 88, C08F 200, B01L 1100, G05B 1700, G01N 33543
Patent
active
054298075
ABSTRACT:
An automated method and apparatus for performing biopolymer synthesis on a two-dimensional support surface whereby a two-dimensional matrix or array of biopolymers are obtained on the surface. An applicator in the form of a thick plate having in a surface at least one cavity in the form of an open chamber or channel is used for applying reagents to the surface of a solid phase support material. The applicator is positioned over the solid support material with the surface having the cavity sealed against the material surface. For each cavity, reagents for synthesis are introduced sequentially into one end of the cavity and collected from the other end of the cavity. A one-dimensional array of biopolymers are thus formed on the support material, where each element of the array contains a population of biopolymers having identical sequence. Further synthesis of additional biopolymers is performed by linearly moving or rotating the applicator relative to the support material and carrying out synthesis procedure so that another one-dimensional matrix or array of biopolymers are formed at an offset position to the previous array. At each overlapping region of the two arrays, a cell of biopolymers are formed which each comprises a strand from the first array and a strand from the second array. The result is a two-dimensional array of biopolymers of different sequences at each discrete cell. The arrays of discrete cell containing different biopolymers may be used to conduct hybridization reaction analysis of a biological sample.
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Coassin Peter J.
Matson Robert S.
Rampal Jang B.
Southern Edwin M.
Beckman Instruments Inc.
Harder P. R.
Henry Janis C.
Kim Christopher Y.
May William H.
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