Sony Corporation

Sony Group Corporation

Sony Corporation of America

Fumitaka Otsuka

Yosuke Muraki

Takayuki Kato

Masahiro Saito

Yasunobu Kato

Masashi Kimoto

Yuya Suzuki

Shingo Imanishi

Yoshitsugu Sakai

Hiroto Kasai

Takashi Miyata

Kouhei Hatamoto

Akiko Tsuji

Atsuo Fujimaki

Michael Zordan

Hiroko Azuma

The present technology is to provide technology for appropriately visualizing a population of particles in particle analysis technology. There is provided an information processing apparatus including an information processing unit that receives optical data obtained from particles, and calculates a parameter that specifies a display method of the optical data in a display range having at least one axis including a linear axis and a logarithmic axis on the basis of the received optical data, in which the parameter includes a first parameter that specifies a range of the linear axis and a second parameter that specifies a lower limit value of the display range, and the first parameter and the second parameter are calculated on the basis of different reference values.

Information processing apparatus, particle measuring apparatus, particle measuring system, particle dispensing apparatus, particle dispensing system, information processing method, and information processing program

To provide a droplet forming technology capable of stably sorting a droplet. Provided is a microparticle sorting device provided with a voltage supply unit that supplies a drive voltage to a vibration element that applies a vibration to an orifice that generates a fluid stream, a control unit that controls a driving condition supplied to the vibration element on the basis of a relative relationship between a droplet discharged from the orifice and a satellite droplet present between droplets, and a sorting unit that sorts the droplet containing microparticles on the basis of optical information detected from the microparticles flowing through a flow path.

Microparticle sorting device, microparticle sorting system, droplet sorting device, droplet control device, and droplet control program

Provided are a microparticle sorting device, and a method and a program for sorting microparticles capable of stabilizing sorting performance over a prolonged period of time. The microparticle sorting device includes an imaging element and a controller. The imaging element obtains an image of fluid and fluid droplets at a position where the fluid discharged from an orifice which generates a fluid stream is converted into the fluid droplets. The controller controls driving voltage of an oscillation element which gives oscillation to the orifice and/or controls a position of the imaging element based on a state of the fluid in the image and/or a state of a satellite fluid droplet. The satellite fluid droplet does not include microparticles and exists between the position, where the fluid is converted into the fluid droplets, and a fluid droplet, among fluid droplets including the microparticles, which is closest to the position where the fluid is converted into the fluid droplets.

Microparticle sorting device, and method and program for sorting microparticles

Provided are: an image processing device; a fine particle sorting device; and an image processing method, in which electric charge can be easily and accurately applied to a droplet. An image processing device including: a control unit adapted to set a light source lighting delay time to control a light source, the light source lighting delay time indicating a time from a time point when a fine particle in fluid is detected by a detection unit until a time point when the light source is turned on for the fine particle included in a droplet formed from the fluid; a processing unit adapted to identify positional information of the fine particle on the basis of an image of the fine particle acquired in accordance with lighting of the light source during the set light source lighting delay time; and a recording unit adapted to record, in a correlated manner, the positional information identified in the processing unit and the light source lighting delay time. The processing unit determines, as a drop delay time, a light source lighting delay time correlated to target positional information that is predetermined positional information, and the drop delay time indicates a time from the time point when the fine particle is detected by the detection unit until the droplet is formed from the fluid containing the fine particle.

Image processing device, fine particle sorting device, and image processing method

The present technology provides a technology for stabilizing break-off timings. Therefore, according to the present technology, there is provided a microparticle analysis device or the like including at least: a flow path in which a fluid including a sample flow containing microparticles and a sheath flow flowing to contain the sample flow; a droplet formation unit configured to form a droplet in the fluid by imparting vibration to the fluid using a vibration element; an electric charge application unit configured to apply electric charge to a droplet containing the microparticles; an imaging unit configured to obtain a photo of a phase of a certain time; and a control unit configured to control a timing at which the droplet breaks off on a basis of the photo.

Microparticle analyzer and microparticle analysis method

Disclosed herein are a particle sorting device capable of simply detecting bubbles, foreign substances, or the like in droplets, a method for analyzing particles, a program, and a particle sorting system. The particle sorting device includes a judgment unit, and the judgment unit judges whether or not captured image information including captured droplet image information about a brightness of an image of particle-containing droplets captured after discharge from an orifice has changed with respect to previously-set reference image information including reference droplet image information about a brightness of an image of droplets captured after discharge from the orifice.

Particle sorting device, particle sorting method, program, and particle sorting system

According to some aspects, a system that includes a flow cytometer and circuitry is provided. The flow cytometer is configured to generate data indicative of a pulse waveform corresponding to a fluorescence signal of a biological sample. The circuitry is configured to determine peak position information of the pulse waveform by identifying at least one peak of the pulse waveform and determine at least one biological characteristic of the biological sample based on the peak position information.

Information processing apparatus, information processing method, and information processing system

There is provided a droplet sorting device including a detector configured to detect a state of droplets ejected from an orifice that generates a fluid stream and of satellite droplets existing between the droplets, and a controller configured to control a frequency of a driving voltage supplied to a vibration element that applies vibration to the orifice on the basis of positions where the satellite droplets exist.

Droplet sorting device, droplet sorting method and program

To provide a microchip-type optical measuring apparatus which is able to automatically perform position adjustment of a microchip with respect to an optical axis of laser with high accuracy. A microchip-type optical measuring apparatus includes an irradiation detection unit which detects light generated by irradiating a microchip with laser, a position adjustment unit which changes a relative position of the microchip with respect to the irradiation detection unit, and a control unit which outputs a movement signal for a position in which an integrated value or an average value of a detected intensity of the light in a preset region becomes high to the position adjustment unit.

Microchip-type optical measuring apparatus and optical position adjusting method thereof

A technology is provided, capable of reducing the time required for the flow velocity of a laminar flow to stabilize, and of providing more finely responsive control. The present technology provides a control apparatus for controlling a flow velocity of a laminar flow, the apparatus including: a pressurization unit configured to pressurize a fluid that is to form the laminar flow; an air pressure measurement unit configured to measure a pressure applied to the fluid by the pressurization unit; a water pressure measurement unit configured to measure a water pressure of the fluid pressurized by the pressurization unit; and a control unit configured to control pressure force applied to the fluid by the pressurization unit on the basis of either the air pressure measured by the air pressure measurement unit or the water pressure measured by the water pressure measurement unit, wherein the control unit provides switching between control based on the air pressure measured by the air pressure measurement unit and control based on the water pressure measured by the water pressure measurement unit.

Control apparatus, control system, analysis apparatus, particle separation/collection apparatus, control method, and laminar flow control program

Micro particle analyzer and micro particle analysis method

A microparticle sorting apparatus includes a detection unit which detects microparticles flowing through a flow path; an imaging device which images a droplet containing the microparticles which is discharged from an orifice provided on an edge portion of the flow path; a charge unit which applies a charge to the droplets; and a control unit which determines a delay time as from a time that the microparticles are detected by the detection unit to the time at which the sum of intensity of an image region imaged by the imaging device reaches a maximum, making it possible for the charge unit to apply a charge to the microparticles once the delay time has lapsed after the microparticles are detected by the detection unit.

Microparticle sorting apparatus and delay time determination method

The present disclosure provides a particle sorting apparatus, a particle sorting method, and a non-transitory computer-readable storage medium storing program that enable sorting object particles to be sorted with high precision, even when the sorting object particles are large. In the particle sorting apparatus, a charging unit that applies charges to at least a part of liquid droplets ejected from an orifice to generate a fluid stream and a charging control unit that adjusts a charge application end time in the charging unit according to sizes of particles included in the liquid droplets are provided.

Growing community of inventors

Tokyo, Japan

Fumitaka Otsuka