Fractionating apparatus having colonies of pillars arranged...

Details Fractionating apparatus having colonies of pillars arranged... Fractionating apparatus having colonies of pillars arranged...

2005-04-19

2005-04-19

McPherson, John A. (Department: 1756)

Chemistry: electrical and wave energy

Apparatus

Electrophoretic or electro-osmotic apparatus

C204S164000, C204S549000, C204S450000, C430S311000, C435S287300, C435S283100

Reexamination Certificate

active

06881315

ABSTRACT:
A fractionating apparatus is used for fractionating sample into micro-structures different in size, and includes a fractionating unit formed with a fractionating passage; the fractionating passage is defined in a groove formed in a substrate of the fractionating unit, and pillar patches are formed in the groove at intervals wider than the gap among the pillar patches; while the sample is migrated through the fractionating passage, small-sized DNA molecules are trapped in the pillar patches, and large-sized DNA molecules are smoothly migrated through the wide intervals; this results in that the large-sized DNA molecules reaches the end of the fractionating passage faster than the small-sized DNA molecules without clogging.

REFERENCES:
patent: 5427663 (1995-06-01), Austin et al.
patent: 5837115 (1998-11-01), Austin et al.
patent: 10-506991 (1998-07-01), None
patent: 2002-233792 (2002-08-01), None
patent: 2002-239317 (2002-08-01), None
patent: WO9909042 (1999-02-01), None
Japanese Office Action dated Jun. 1, 2004.

Affiliated with

Also associated with

Rating

Fractionating apparatus having colonies of pillars arranged... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fractionating apparatus having colonies of pillars arranged..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fractionating apparatus having colonies of pillars arranged... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3393604