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Affymetrix, Genomic Solutions, Orchid BioSciences, Yokogawa Electric


Affymetrix received US Patent No. 6,495,320, “Even length proportional amplification of nucleic acids.” The patent covers a method for the even length proportional amplification of nucleic acids.


Genomic Solutions of Ann Arbor, Mich., was granted US Patent No. 6,496,309, “Automated, CCD-based DNA micro-array imaging system.”

The patent covers a system that may be used for the automated acquisition, compilation, and analysis of images of fluorescently labeled samples of different types, including fluorescently labeled gene chip arrays.


Orchid BioSciences of Princeton, NJ, has received US Patent No. 6,495,363, “In-line complete spectral fluorescent imaging of nucleic acid molecules.” The patent covers a hyperspectral imaging technology and methods for employing such an apparatus for multi-dye/base detection of a nucleic acid molecule coupled to a solid surface.


Yokogawa Electric of Tokyo has received US Patent No. 6,494,373, “Biochip reader.” The patent covers a biochip reader for examining image information with an optical detector, by emitting light beams onto a biochip with samples arranged in spots or linear arrays. This system requires no scanning, so it is possible to read image information from multiple samples at high speed. There is no need for laser light thus little risk of bleaching.


The Scan

Dropped Charges

The US Justice Department has dropped visa fraud charges against five Chinese researchers, according to the Wall Street Journal.

More Kids

The Associated Press says Moderna is expanding its SARS-CoV-2 vaccine study to included additional children and may include even younger children.

PNAS Papers on Rat Clues to Human Migration, Thyroid Cancer, PolyG-DS

In PNAS this week: ancient rat genome analysis gives hints to human migrations, WDR77 gene mutations in thyroid cancer, and more.

Purnell Choppin Dies

Purnell Choppin, a virologist who led the Howard Hughes Medical Institute, has died at 91, according to the Washington Post.