摘要:
A solution temperature control device in a biological cell observing chamber (30) used for the detection of chemotaxis and chemotactic cell separator, comprising a first temperature controller (62) and a second temperature controller (63). The first temperature controller (62) measures the temperature of a solution filled in a pair of wells and a flow passage in the chamber and controls the temperature to a specified temperature, and the second temperature controller (63) measures the temperature of a heating part (64) which heats the chamber (30) from the outside to indirectly heat the solution filled in the pair of wells and the flow passage and controls the temperature to a specified preheat temperature. Since the state and quantity of cells moving from one well to the other through the flow passage while holding the temperature of the solution at a specified temperature can be accurately observed and measured, accuracy for controlling the temperature of the solution can be remarkably increased.
摘要:
A microscope stage capable of always heating the entire culture vessel even when the culture vessel is moved in two-dimensional directions, and allowing an object lens and a condenser even in a high-power microscope to approach an object of observation such as a cell until they come into focus. A heating unit (58) faces a well plate (37) on a drive base (49) even when the drive base (49) is driven to any position in two-dimensional directions. Therefore, all the cells A in the small compartments (45) of the well plate (37) are always heated. Since the microscope stage (25) is constituted such that a lower-side base (71) houses an upper-side base (73) and a fixed base (47) in recessed portions, its thickness is considerably small. Accordingly, an object lens (5) and a condenser (3) can approach close to the cells A. Therefore, it is possible for high-power object lens (5) and condenser (3) to focus on the cells A.
摘要:
This invention relates to a monitoring device used as a microscope, physiochemical device, medical appliance, or the like, and prevents comparatively easily a defocus of a monitored object caused by a thermal strain of a stage unit on which the monitored object is placed. According to this invention, the stage unit includes a first stage member on which the monitoring object is placed and which is provided with a placement member that forms a monitoring surface of the monitoring object, and a second stage which includes a placement portion on which the first stage member is placed and supports the first stage member. The monitoring surface and the contact surface of the first stage member on the placement portion with the second stage member are set almost on the same horizontal plane.
摘要:
An observation apparatus comprises a thermoregulation mechanism including a liquid receiving frame (28) that has a heater (43) for heating the outer frame of an immersion objective lens (13) and adapted to heat and maintain the temperature of the immersion liquid (30) contained in the frame (28) by means of the heater (43) and via the outer frame of the immersion objective lens (13) so as to maintain the temperature of the specimen (34) in the container at a constant level by utilizing heat conduction. The thermoregulation mechanism of the observation apparatus is so adapted that, when the temperature of the immersion liquid (30) decreases during a measurement/observation operation due to discharge of heat, the liquid (30) is heated again by the heater (43) to prevent the temperature of the specimen (34) from changing and maintain the temperature at a constant level.
摘要:
A transparent heating plate is provided with a transparent plate assembly composed of a first transparent plate, second transparent plate superposed on the first plate, and a transparent insulating material interposed between the first and second plates and a housing which holds the periphery of the assembly. A transparent heating element (transparent conductive film) is provided to either or both of the first and second plates. A first transparent heating plate is provided with a first transparent heating element, a pair of electrodes for the first heating element which are in contact with the heating element and face the first heating element, a second transparent heating element, and a pair of electrodes for the second heating body which are in contact with the second heating element and face the second heating element. The center line of the electrodes for the second heating element is nearly perpendicular to that of the electrodes for the first heating element. A second transparent heating plate is provided with a transparent heating element and a pair of electrodes for the heating element which are in contact with the heating element and face the heating element. The periphery of the transparent plate includes a portion which extends around the periphery, and the electrodes are spaced from the periphery of the above-mentioned transparent plate assembly, inside the periphery. A third transparent heating plate is provided with a first transparent conductive film having heating electrodes and a second transparent conductive film facing the first film and connected to an earthing conductor. A fourth transparent heating plate has a circular shape, a transparent conductive film provided with heating electrodes and so formed that the resistance between the end of one electrode and that of the other electrode near the end of the first-mentioned electrode is nearly equal to the resistance between the central part of the one electrode and that of the other electrode.
摘要:
The invention relates to a microscope, comprising an objective turret (2), said turret holding objectives (1), and a sample holder (4) for receiving a sample (3). The inventive microscope is characterised in that the objectives (1) held in the objective turret (2) can all be temperature-controlled simultaneously through the objective turret (2). This ensures that there is no unwanted transportation of heat between the sample (3) and the objective (1).
摘要:
A temperature control unit provides means for observing samples under microscopy at greatly elevated and greatly reduced temperatures. The temperature control unit is constructed to insulate a sample from ambient temperatures while providing a highly heat conductive substrate for the sample that provides for rapid heat transfer to/from the sample. A dry gas provides a positive pressure around the sample, as compared to atmospheric pressure to help prevent atmospheric contract with the sample.