Apparatus for observing protein crystals

Details Apparatus for observing protein crystals Apparatus for observing protein crystals

2006-03-08

2009-02-17

Lee, John R (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C359S368000, C348S079000

Reexamination Certificate

active

07491921

ABSTRACT:
An apparatus for efficiently observing protein crystals for use in X-ray analysis is provided. This apparatus includes an ultra-compact proximity imaging unit and a three-dimensional observation adaptor (4) attached thereto. The imaging unit includes a CCD camera (2) and a lens system (3) and an illumination system in front of the CCD camera (2). The lens system (3) includes a variable or fixed magnification lens. The three-dimensional observation adaptor (4) has an optical-axis reflective surface (4c) disposed between the frontmost lens of the lens system (3) and a production container (100) containing protein crystals in the optical axis a of the lens system (3) and a revolving reflective surface (4d) disposed opposite the optical-axis reflective surface (4c) revolvably about the optical axis to three-dimensionally observe the crystals contained in the production container (100) in an oblique or lateral direction.

REFERENCES:
patent: 5515157 (1996-05-01), Can
patent: 2004/0264765 (2004-12-01), Ohba
patent: 2007/0217007 (2007-09-01), Kajiro et al.

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