Abstract:
A measurement apparatus includes a first light source unit configured to emit a first light having a first wavelength, and a scanning unit configured to move an irradiation position of the first light with respect to a specimen, so as to scan the specimen with the first light. The first light source unit includes a wavelength changing unit configured to change the first wavelength. Movement of the irradiation position is performed by the scanning unit while the wavelength changing unit is changing the first wavelength. A changing cycle of the first wavelength by the wavelength changing unit is shorter than a position moving cycle by the scanning unit.
Abstract:
A method and apparatus for optimizing high-speed optical inspection of parts using intelligent image analysis to determine optimal focus using high numerical aperture (NA) optics, achieve a superior signal-to-noise ratio, resolution, and inspection speed performance with very limited depth of field lenses.
Abstract:
The invention provides inhibitors of α-crystallin aggregation and methods of using α-crystallin aggregation inhibitors to, e.g., treat or prevent cataracts in a subject having or at risk of developing cataracts. The invention further provides high throughput methods of screening compounds for modulation of protein thermal stability, the method comprising contacting a protein with each of a plurality of test compounds; and (b) measuring the melting transition (Tm) of the protein in the presence of each of the plurality of test compounds, wherein a compound that decreases or increases the apparent Tm by at least 2 standard deviations is identified as a pharmacological protein chaperone.
Abstract:
A diagnostic device includes a microscope configured to obtain image data on a plurality of cells and a computing device. The computing device is configured to receive the image data, identify at least a portion of each of the plurality of cells based on the received image data, determine at least one of a value of a morphological parameter for each identified at least a portion of the plurality of cells or a relative organization among the identified at least a portion of the plurality of cells, and calculate statistics for the plurality of cells based on the at least one of the determined values of the morphological parameter or the determined relative organization, the statistics including information suitable for distinguishing metastatic cells from non-metastatic cells. The diagnostic device further includes an output device configured to output the statistics for diagnosis.
Abstract:
The invention provides a laser microarray scanner for microarray scanning, comprising an optical system, a scanning platform, and a data processing system. During scanning, the optical system remains fixed, and the microarray placed on the scanning platform moves relative to the optical system. The microarray scanner disclosed herein has high scanning speed, high sensitivity, high resolution, and high signal-to-noise ratio, thus is ideal for use in microarray scanning
Abstract:
An optical inspection system rapidly evaluates a substrate by illumination of an area of a substrate larger than a diffraction-limited spot using a coherent laser beam by breaking temporal or spatial coherence. Picosecond or femtosecond pulses from a modelocked laser source are split into a plurality of spatially separated beamlets that are temporally and/or frequency dispersed, and then focused onto a plurality of spots on the substrate. Adjacent spots, which can overlap by up to about 60-70 percent, are illuminated at different times, or at different frequencies, and do not produce mutually interfering coherence effects. Bright-field and dark-field detection schemes are used in various combinations in different embodiments of the system.
Abstract:
An optical inspection system rapidly evaluates a substrate by illumination of an area of a substrate larger than a diffraction-limited spot using a coherent laser beam by breaking temporal or spatial coherence. Picosecond or femtosecond pulses from a modelocked laser source are split into a plurality of spatially separated beamlets that are temporally and/or frequency dispersed, and then focused onto a plurality of spots on the substrate. Adjacent spots, which can overlap by up to about 60-70 percent, are illuminated at different times, or at different frequencies, and do not produce mutually interfering coherence effects. Bright-field and dark-field detection schemes are used in various combinations in different embodiments of the system.
Abstract:
A method and apparatus is disclosed for multi-mode spectral imaging. In one embodiment, the present invention comprises the steps of illuminating an object with a modified illumination profile, producing a reflected, transmitted or fluorescence image of the illuminated object, scanning the object, and re-imaging the reflected, transmitted or fluorescence light after modifying the light's optical state. The present invention preferably works in conjunction with other imaging systems to provide both high-spectral resolution images with lower temporal resolution and multiple image acquisition with high temporal resolution.
Abstract:
Techniques are described for the detection of multiple target species in real-time PCR (polymerase chain reaction). For example, a system comprises a data acquisition device and a detection device coupled to the data acquisition device. The detection device includes a rotating disk having a plurality of process chambers having a plurality of species that emit fluorescent light at different wavelengths. The device further includes a plurality of removable optical modules that are optically configured to excite the species and capture fluorescent light emitted by the species at different wavelengths. A fiber optic bundle coupled to the plurality of removable optical modules conveys the fluorescent light from the optical modules to a single detector. The device further includes a heating element for heating one or more process chambers on the disk. In addition, the device may control the flow of fluid in the disk by locating and selectively opening valves separating chambers by heating the valves with a laser.
Abstract:
An optical inspection system rapidly evaluates a substrate by illumination of an area of a substrate larger than a diffraction-limited spot using a coherent laser beam by breaking temporal or spatial coherence. Picosecond or femtosecond pulses from a modelocked laser source are split into a plurality of spatially separated beamlets that are temporally and/or frequency dispersed, and then focused onto a plurality of spots on the substrate. Adjacent spots, which can overlap by up to about 60-70 percent, are illuminated at different times, or at different frequencies, and do not produce mutually interfering coherence effects. Bright-field and dark-field detection schemes are used in various combinations in different embodiments of the system.