Sample holder for dynamic light scattering

Details Sample holder for dynamic light scattering Sample holder for dynamic light scattering

2005-08-19

2010-11-30

Warden, Jill (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

C422S091000, C422S105000, C436S010000, C435S287100, C356S244000, C356S336000, C356S337000, C165S048100, C165S061000, C165S080300

Reexamination Certificate

active

07842247

ABSTRACT:
A sample holder holds various sizes of capillaries or cuvettes for use in dynamic light scattering (DLS) or quasi-elastic light scattering (QELS), such as in DLS of fluid samples such as platelet solutions, whole blood, colloids or the like. The sample holder has a base with a stationary backing member and a sliding, rail-mounted clamping member that is magnetically biased toward the backing member. The sample holder has Peltier-type thermoelectric heating/cooling elements that extend the full height of the clamping and backing members to optimize heat transfer efficiency. The sample holder further includes horizontal slots that enable collection of scattered light from various angles around the device. Finned heat sinks are mounted above and below the horizontal slots on the outwardly facing surfaces of the backing and clamping members to stabilize the temperature of the fluid sample in the sample holder without interfering with incident or scattered light.

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