Particle tracking analysis method using scattered light (PTA) and device for detecting and identifying particles of a nanometric order of magnitude in liquids of all types
Abstract:
A method and device for optically detecting particles, including: (a) a cell wall of rectangular cross-section is fitted on a longitudinal surface and adjoining transverse surface with an L-shaped heating and cooling element; (b) the center of the transverse surface of the cell wall opposite the transverse surface which forms the support of the cell wall is irradiated by an irradiation device and is observed at right angles to the optical axis of the irradiation device; (c) the focus of the irradiation device and the observation device can be moved by a motor to any point in the three-dimensional inner region defined by the cell wall; (d) the surface of the cell wall opposite the optical glass window through which the radiation from the irradiation device enters comprises another optical glass window; (e) the temperature of the surface of the cell wall is monitored by two thermistors.
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