Abstract: Provided is a water examination device including: a main body; a cup accommodation unit formed inward from a surface of the main body such that a cup containing a fluid is accommodated therein; a wave source for irradiating a wave toward the cup accommodation unit; a detector for detecting a laser speckle generated when the irradiated wave is multiple-scattered in the fluid, at every time point set in advance; and a controller for estimating whether foreign substances exist in the fluid in real-time by using the detected laser speckle.

Abstract: An embodiment of the present disclosure provides an intestinal microorganism detection system including: a feces collection unit configured to collect the feces of a user: a storage unit including a plurality of accommodation units configured to accommodate a fecal sample, the fecal sample being formed by mixing the feces collected by the feces collection unit with fluid; a sensor unit configured to detect a microorganism in the fecal sample accommodated in each of the plurality of accommodation units and generate first information; and a control unit configured to estimate, on the basis of the generated first information, the type of intestinal microorganism present in the user and a concentration thereof, wherein the plurality of accommodation units are respectively exposed to different environmental conditions.

Abstract: Provided is a method of detecting microbial colonies, the method including: irradiating light having coherence to a sample unit in which a sample is accommodated; detecting, by an image sensor, transmitted light passing through the sample unit to obtain a sample image in a time-series manner; analyzing the sample image by a controller after a preset time to determine the concentration level of colonies in the sample; and obtaining a spatial correlation of the coherence pattern of the sample image when the concentration level determined by the controller is a high concentration that is equal to or greater than a preset reference value, and determining information about the concentration of colonies in the sample based on the change of the spatial correlation of the coherence pattern over time.

Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.

Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.

Abstract: The present invention relates to a device, a method, and a tube device for delivery of an infusate for humans, which can prevent the infusate from being contaminated by bacteria or microorganisms. The device may comprise: a body; a pump unit installed in the body and forming a pressure difference inside the tube device so as to deliver an infusate for humans; and an infusate contamination sensing unit installed in the body and capable of sensing contamination of the infusate for humans by bacteria or microorganisms in a non-contact manner by using the optical characteristics of the infusate for humans.

Abstract: The present disclosure relates to a spectrometer using multiple light sources. The spectrometer includes: a sample unit accommodating the sample; a multiple-light-sources unit irradiating light of different wavelengths to the sample unit; a sensor unit configured to measure absorbance generated at a wavelength of a light source irradiated to the sample unit; and a multiple scatterer configured to amplify the number of multiple scattering of the light source irradiated to the sample unit, wherein the sensor unit derives spectrum information by measuring absorbance at different wavelengths.

Abstract: Provided is a sample property detecting apparatus including: a wave source configured to irradiate a wave towards a sample; a detector configured to detect a laser speckle that is generated when the wave is multiple-scattered by the sample, at every time point that is set in advance; and a controller configured to obtain a temporal correlation that is a variation in the detected laser speckle according to time, and to detect properties of the sample in real-time based on the temporal correlation, wherein the detector detects the laser speckle between the sample and the detector or from a region in the detector.

Abstract: According to an embodiment of the present disclosure, provided is an apparatus for providing microorganism information, including: a receiving unit configured to receive a plurality of images obtained by photographing in time series an outgoing wave emitted from a sample; a detecting unit configured to extract a feature of a change over time from the plurality of images obtained by photographing in time series; a learning unit configured to machine-learn classification criteria based on the extracted feature; and a determining unit configured to classify the type or concentration of a microorganism included in the sample based on the classification criteria, wherein each of the plurality of images includes speckle information generated by multiple scattering by the microorganism due to waves incident on the sample.

Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.

Abstract: The present invention relates to a test sample receiving block and a microbial detection apparatus using the same. The test sample receiving block may include a sample receiving block having a sample groove portion formed therein, the sample groove portion containing the sample so that a light emission module emits light to the sample and a sensor module can detect a speckle generated when the emitted light is scattered by motion of bacteria or microbes contained in the sample, wherein the sample receiving block is surface-treated to increase an optical path of light reaching the sensor module when the emitted light is reflected or scattered by the sample accommodated in the sample groove portion, so that a pattern is formed on a surface of the sample groove portion.

Abstract: A system for detecting microbes is provided.

Abstract: Provided is a microorganism detection apparatus including a body, a sample accommodator module provided in the body to accommodate a sample, a beam irradiation module for irradiating a beam to the sample, a sensor module for detecting speckles generated when the beam irradiated to the sample is scattered due to motion of bacteria or microorganisms included in the sample, and a controller for controlling the beam irradiated from the beam irradiation module, and storing and analyzing images detected by the sensor module, wherein the sample accommodator module includes a sample accommodation block having a sample hole capable of accommodating a container containing the sample, and a heater for supplying heat to the bacteria or microorganisms in the sample at a preset temperature.

Abstract: Provided is a sample property detecting apparatus including: a wave source configured to irradiate a wave towards a sample; a detector configured to detect a laser speckle that is generated when the wave is multiple-scattered by the sample, at every time point that is set in advance; and a controller configured to obtain a temporal correlation that is a variation in the detected laser speckle according to time, and to detect properties of the sample in real-time based on the temporal correlation, wherein the detector detects the laser speckle between the sample and the detector or from a region in the detector.

Abstract: An embodiment of the present disclosure provides an intestinal microorganism detection system including: a feces collection unit configured to collect the feces of a user: a storage unit including a plurality of accommodation units configured to accommodate a fecal sample, the fecal sample being formed by mixing the feces collected by the feces collection unit with fluid; a sensor unit configured to detect a microorganism in the fecal sample accommodated in each of the plurality of accommodation units and generate first information; and a control unit configured to estimate, on the basis of the generated first information, the type of intestinal microorganism present in the user and a concentration thereof, wherein the plurality of accommodation units are respectively exposed to different environmental conditions.

Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.

Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.

Abstract: Provided is a sample property detecting apparatus including: a wave source configured to irradiate a wave towards a sample; a detector configured to detect a laser speckle that is generated when the wave is multiple-scattered by the sample, at every time point that is set in advance; and a controller configured to obtain a temporal correlation that is a variation in the detected laser speckle according to time, and to detect properties of the sample in real-time based on the temporal correlation, wherein the detector detects the laser speckle between the sample and the detector or from a region in the detector.

Abstract: According to an embodiment of the present disclosure, provided is an optical detection system for detecting a laser speckle generated by multiple scattering of a wave irradiated toward a sample from a wave source, and based on a change in the laser speckle over time, detecting the presence of microbes in the sample in real time.

Abstract: According to an aspect of the present invention, there is provided a pattern structure inspection method including irradiating a wave from a wave source onto a sample including a pattern region in which a structure having a certain pattern is provided on a substrate, collecting speckle data generated due to multiple scattering of the wave in the pattern region, by using a data collector, and analyzing whether the structure of the pattern region has a defect, by comparing the collected speckle data to reference speckle data.