A method for concentrating microorganisms, includes modifying an object by introducing an amine group into the object (step 1); and contacting a sample including a microorganism and dimethyl 3,3′-dithiobispropionimidate (DTBP) each other on the modified object (step 2), wherein the object is any one of a thin film device, a magnetic bead, a ring resonator, and a nanoparticle.

A method for concentrating microorganisms, includes modifying an object by introducing an amine group into the object (step 1); and contacting a sample including a microorganism and dimethyl 3,3′-dithiobispropionimidate (DTBP) each other on the modified object (step 2), wherein the object is any one of a thin film device, a magnetic bead, a ring resonator, and a nanoparticle.

The present invention relates methods for rapidly detecting the presence of bacteria in biological solutions regardless of their origin in non-laboratory environments. The present invention further relates to methods for binding, capturing, and concentrating the bacteria in a given sample.

The present invention relates methods for rapidly detecting the presence of bacteria in biological solutions regardless of their origin in non-laboratory environments. The present invention further relates to methods for binding, capturing, and concentrating the bacteria in a given sample.

A method of analysis using mass spectrometry and/or ion mobility spectrometry is disclosed. The method comprises: using a first device to generate smoke, aerosol or vapour from a target comprising or consisting of a microbial population; mass analysing and/or ion mobility analysing said smoke, aerosol or vapour, or ions derived therefrom, in order to obtain spectrometric data; and analysing said spectrometric data in order to analyse said microbial population.

A method of analysis using mass spectrometry and/or ion mobility spectrometry is disclosed. The method comprises: using a first device to generate smoke, aerosol or vapour from a target comprising or consisting of a microbial population; mass analysing and/or ion mobility analysing said smoke, aerosol or vapour, or ions derived therefrom, in order to obtain spectrometric data; and analysing said spectrometric data in order to analyse said microbial population.

A broad object of a the instant invention can be to provide a method for separating X and Y sperm cells within a sample sperm cell population, the method including (i) differentiating between and (ii) separating sperm cells that have undergone a cellular process and sperm cells that have not undergone the cellular process, whereby a majority of the sperm cells that have undergone the cellular process can comprise one of X or Y sperm cells, and a majority of the sperm cells that have not undergone the cellular process can comprise the other of X or Y sperm cells. As to particular embodiments, the cellular process can be a maturational step. As to particular embodiments, the maturational step can be capacitation. As to particular embodiments, the maturational step can be the acrosome reaction. As to particular embodiments, non-viable and viable sperm cells can also be (i) differentiated between and (ii) separated.

A broad object of a the instant invention can be to provide a method for separating X and Y sperm cells within a sample sperm cell population, the method including (i) differentiating between and (ii) separating sperm cells that have undergone a cellular process and sperm cells that have not undergone the cellular process, whereby a majority of the sperm cells that have undergone the cellular process can comprise one of X or Y sperm cells, and a majority of the sperm cells that have not undergone the cellular process can comprise the other of X or Y sperm cells. As to particular embodiments, the cellular process can be a maturational step. As to particular embodiments, the maturational step can be capacitation. As to particular embodiments, the maturational step can be the acrosome reaction. As to particular embodiments, non-viable and viable sperm cells can also be (i) differentiated between and (ii) separated.

Provided is an adhesive tape for collecting skin indigenous microorganisms, the adhesive tape being capable of providing improved collection yields of skin indigenous microorganisms on a skin surface. This adhesive tape is for collecting skin indigenous microorganisms, is used to collect skin indigenous microorganism on a skin surface, and comprises a base material and an adhesive layer provided on at least a portion of a surface of the base material, wherein the adhesive layer contains an adhesive, and the adhesive contains a rubber adhesive. The adhesive tape has an adhesive strength of 10.0 N or more when a 12 mm-wide test piece thereof is pressure-bonded to a Bakelite plate by one reciprocation of a 2 kg roller and then measured for adhesive strength at a pulling speed of 300 mm/min and a pulling angle of 90° according to JIS Z 0237: 2009, and the adhesive tape has a peel strength of 0.25 N or more when a 12 mm-wide test piece thereof is measured using a silicone-treated fine paper sheet as a release sheet and measured for peel strength at a pulling speed of 300 mm/min and a pulling angle of 180° according to JIS Z 0237: 2009.

The present disclosure provides a chip, a microfluidic device including the chip, and a method for sorting target droplets. The chip includes a first container for accommodating a first fluid, a second container for accommodating a second fluid, a delivery channel including a first flow channel communicating with the first container and a second flow channel communicating with the second container, the first flow channel and the second flow channel intersecting and communicating with each other at a junction, and at least one collector. A portion of the first flow channel includes the junction and is divided into two sections by the junction, in each section, the section thickens gradually along a first direction away from the junction. The second flow channel includes the junction and is divided into two sections by the junction, in each section, the section thickens gradually along a second direction away from the junction.