Abstract: A device for the thermal treatment of test samples is presented. The device comprises a sample holder and one or more thermoelectric elements which are in thermal contact with the sample holder. The sample holder comprises at least two holding positions configured to hold test sample consumables. The sample holder comprises an internal working fluid and a hollow body with an inner bottom surface and an inner top surface connected to each other with a pillar. The pillar extends along a vertical axis perpendicular to the inner bottom surface and substantially in the middle of the distance between the at least two holding positions. A laboratory instrument and a method for the thermal treatment of test samples is also presented.

Abstract: A device for the thermal treatment of test samples is presented. The device comprises a sample holder and one or more thermoelectric elements which are in thermal contact with the sample holder. The sample holder comprises at least two holding positions configured to hold test sample consumables. The sample holder comprises an internal working fluid and a hollow body with an inner bottom surface and an inner top surface connected to each other with a pillar. The pillar extends along a vertical axis perpendicular to the inner bottom surface and substantially in the middle of the distance between the at least two holding positions. A laboratory instrument and a method for the thermal treatment of test samples is also presented.

Abstract: A one-hand device for an ocular irrigation and aspiration has a tube (3), which having a tip (5) at a front end, wherein the tip (5) has an irrigation fluid orifice outlet (5a) for the exit of the irrigation fluid and an aspiration opening (5b) for taking up the material to be extracted by suction. An irrigation fluid pump (11) is arranged in the tube (3) and is connected to the irrigation fluid orifice outlet (5a) via an irrigation conduit (115). In the tube (3) an aspiration pump (12) is arranged, which is connected to the aspiration opening (5b) via an aspiration conduit (125). A controller (13) regulates the flow rate through the irrigation conduit (115) such that it is equal to the flow rate through the aspiration conduit (125). Preferably a cutting tool/milling tool is rotatably mounted in the aspiration opening (5b).

Abstract: The integrated-optical chemical and/or biochemical sensor comprises a resonant waveguide grating structure (1.1, 1.2, . . . ), e.g., a chirped grating. By illumination with incident light (21), a resonant electromagnetic field is excited in the grating structure (1.1, 1.2, . . . ). At least one parameter of the incident light, e.g., the angle of incidence (&thgr;1) or the wavelength (&lgr;1), is varied. Light (23) excident from the grating structure (1.1, 1.2, . . . ) is detected by detectors (4.1, 4.2, . . . ). Optionally, means for providing a feedback from the detectors (4.1, 4.2, . . . ) to the light sources may be provided, thus establishing a controlled closed-loop system. Hence independent simultaneous measurements in a multiple arrangement of such sensors (S1, S2, . . . ) is made possible. Moreover, a much higher density of sensors (S1, S2, . . . ) results.