Abstract:
A gene-transferred cell having a reporter vector stably introduced therein, the reporter vector comprising a gene encoding a reporter protein and an estrogen response element (ERE) upstream to a promoter region for the reporter protein, and the expression of the reporter protein being regulated substantially by the estrogen response element.
Abstract:
In compound screening using cell images, compounds having an effective action on cells are searched for by automated processing, to more perform existing methods for compound searching more effectively. There is provided an apparatus including an image-acquisition unit (55) for capturing a plurality of cell images under different image-acquisition conditions; and an analysis unit (80) for extracting a cell position and at least one feature on the basis of the plurality of cell images and for performing statistical analysis with the extracted features serving as parameters.
Abstract:
A fluorescent photometric device at least having light sources (301, 302, 303), light irradiation means for collecting and irradiating light from the light sources on to a sample (1) through an objective lens (103), and photodetectors (306a, 306b) for detecting fluorescence emitted from the sample. The fluorescent photometric device further has illumination means (104, 105) for obtaining an image of the sample, position adjustment means (102) for adjusting relative positions of the sample and a light spot position at which light is collected by the light irradiation means, and imaging means (400, 800) for simultaneously imaging, as two-dimensional and three-dimensional images, the image of the sample and a light spot image coming from the light irradiation means and collected on the sample.
Abstract:
PROBLEM TO BE SOLVED: To provide a microscope capable of keeping a focal point even when corrected aberration in an objective lens.SOLUTION: A microscope comprises: a stage 502 to mount a sample thereon; an objective lens 506 with an aberration correction function, having an aberration correction lens to correct a thickness error of a sample holding member 503A and opposing to the stage 502; electrically-driven traveling means 509 to travel the aberration correction lens; light detection means 535 to detect light entered into a light receiving surface; a detection optical system 534 to guide light passed through the objective lens 506 with an aberration correction function to the light receiving surface of the light detection means 535; electrically-driven focusing means 501 to vary a distance between the stage 502 and the objective lens 506 with an aberration correction function; an observation optical system 533 to transmit light from the sample passed through the objective lens 506 with an aberration correction function and convert the light into an observation image of the sample; and processing means 540 to obtain contrast of the image of the sample at the light receiving surface, repeatedly control the electrically-driven traveling means 509 and the electrically-driven focusing means 501, focus the observation image, and correct the aberration of the observation image.
Abstract:
PROBLEM TO BE SOLVED: To provide a laser microscope which permits selective use of both functions of a scanning type and a total reflection type.SOLUTION: A scanning type laser microscope 2 has irradiation means which irradiates the top of a sample 38 with a beam emitted from a light source 4 through an objective lens 34 and generates fluorescence from the sample 38. Furthermore, the microscope as a total reflection type microscope includes, in addition to the above-described constitution, a lens 10 which condenses the beam to a position conjugate with a pupil position of the objective lens 34, and a parallel flat plate 12, which makes the beam incident on a position offset at a predetermined distance parallel to the beam and offset from the center of the objective lens 34, makes the beam be refracted by the objective lens 34 to make the beam incident obliquely on the sample 38, and makes the beam total reflect at a boundary between a cover glass 36 and the sample 38, and has an inserting/removing device 8 which inserts each of the condenser lens 10 and the parallel flat plate 12 into the irradiation means by the device capable of inserting/removing the same, and holding means which holds a laser scanning device 16 at a predetermined angle.
Abstract:
PROBLEM TO BE SOLVED: To provide an image analyzing method for FISH cell, system and apparatus to accurately detect target fluorescent spots unaffected by three-dimensional configuration of fluorescent spots in a cell nucleus, light emission by foreign matter, etc., out of the cell, confusion of fluorescent wavelength, etc. SOLUTION: The image analyzing apparatus includes an image-pickup device 1 to pick up a plurality of cell images including a first fluorescent reporter molecule to report a cell segment and second and third fluorescent reporter molecules reporting first and second gene sequences, and an image analyzing device 2 having a computer. The image-pickup device takes a plurality of images of a plurality of cells by varying a Z direction, and the image analyzing device has a software to function the computer as a means 2a to construct a three-dimensional cell segment from the images, a means 2b to discriminate inside and outside of the three-dimensional cell segment, a means 2c to recognize a fluorescent signal from the second and third fluorescent reporter molecules in the three-dimensional cell segment, and a means 2d to determine the characteristic value of the recognized fluorescent signal. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an optical microscope capable of performing observation by proper focal illumination by relatively rotating a sample and focal illumination with respect to the vertical axis of the sample, while being made to correspond to the shape of the sample, thereby performing irradiation, without intercepting the focal illumination by the sample.SOLUTION: The optical microscope includes a stage 2 holding the sample 3 and a transmission illumination optical system 4 illuminating the sample 3. The transmission illumination optical system 4 includes a light shielding means 43 asymmetrically intercepting a luminous flux from a light source 1, to perform illumination and the light shielding means 43 is configured so as to relatively rotate around an optical axis with respect to the stage 2.