Method for improved focus control in molecular array...

Details Method for improved focus control in molecular array... Method for improved focus control in molecular array...

2006-06-27

2006-06-27

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C250S226000

Reexamination Certificate

active

07067783

ABSTRACT:
Automated methods and systems for determining an in-focus-distance for a position on the surface of a molecular array substrate using a molecular array scanner are provided. A signal from a first position of an array substrate is detected and noise is filtered out of the detected signal using a symmetrical filter to produce an in-focus-distance. In one embodiment, the in-focus-distance is utilized as an estimated in-focus-distance at a second position of the array substrate. The method finds use in maintaining the focus of a light source while scanning the array by the scanner. Also provided are methods of assaying a sample using the methods and systems of the invention, and kits for performing the invention. The subject invention finds use in a variety of different applications, including both genomics and proteomics applications.

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