Micropipette adaptor for spectrophotometers with temperature con

Details Micropipette adaptor for spectrophotometers with temperature con Micropipette adaptor for spectrophotometers with temperature con

1989-09-15

1992-03-03

McGraw, Vincent P.

Optics: measuring and testing

Sample, specimen, or standard holder or support

356440, G01N 2101

Patent

active

050926748

ABSTRACT:
A temperature-controlled micropipette adaptor includes a metal base sandwiched between two plastic layers. The metal base has an orifice to hold a micropipette. The plastic layers hold lenses in alignment for spectrophometric measurements of a sample contained in a micropipette inserted into the orifice. A resistive heater wire is held between the metal base and the plastic layer to transfer heat from the heater wire to the metal base and thus to the micropipette sample. A thermocouple is attached to the metal layer to monitor temperature changes. A feedback control system is coupled to the device for monitoring and programmably controlling changes in temperature of the heated sample over time.

REFERENCES:
patent: 3877817 (1975-04-01), Ralston
patent: 4440497 (1984-04-01), Carey et al.
patent: 4935875 (1990-06-01), Shah et al.

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