Mass spectrometric system and mass spectrometry

A mass spectrometry system comprising:

• a microchip which has a channel through which a sample passes and a sample separation area being provided in said channel;
• a light irradiation unit irradiating with a laser beam while moving a light irradiation position along said sample separation area;
• and
• an analytical unit analyzing a fragment of said sample to obtain mass spectrometric data, said fragment of said sample being generated by a light irradiation,
• wherein said channel is provided on a surface of a substrate, said sample separation area has a plurality of columnar bodies, and
• said sample separation area having said columnar bodies is irradiated with said laser beam.

A mass spectrometry system comprising:

• a microchip which has a channel through which a sample passes and a sample separation area being provided in said channel;
• a light irradiation unit irradiating with a laser beam while moving a light irradiation position along said sample separation area;
• and
• an analytical unit analyzing a fragment of said sample to obtain mass spectrometric data, said fragment of said sample being generated by a light irradiation,
• wherein said sample separation area has a plurality of concaves, and said conave is a hole provided in said channel.

A mass spectrometry system comprising:

• a microchip which has a channel through which a sample passes and a sample separation area being provided in said channel;
• a light irradiation unit irradiating with a laser beam while moving a light irradiation position along said sample separation area;
• and
• an analytical unit analyzing a fragment of said sample to obtain mass spectrometric data, said fragment of said sample being generated by a light irradiation,
• wherein a surface of said sample separation area has a plurality of first areas and a second area, said first areas being arranged while separated from one another, said second area occupying said surface of said sample separation area except for said first areas, and one of said first area and said second area is a hydrophobic area and the other is a hydrophilic area.

A mass spectrometry system comprising:

• a substrate;
• a sample separation area in which sample adsorption particles adhere to said substrate to develop a sample according to a specific property;
• a light irradiation unit irradiating with a laser beam while moving a light irradiation position along said sample separation area;
• and
• an analytical unit analyzing a fragment of said sample to obtain mass spectrometric data, a fragment of said sample being generated by a light irradiation.

A method of analysis in which a mass spectrometric analysis is performed with the use of a microchip having a sample separation area, comprising:

• a step of separating a sample in said sample separation area according to a specific property of said sample;
• a step of irradiating with a laser beam while moving a light irradiation position along said sample separation area;
• and
• a step of analyzing a fragment of said sample to obtain mass spectrometric data, said fragment of said sample being generated by a light irradiation;
• a step of obtaining a first mass spectrometric data, said step of obtaining said first mass spectrometric data including a step of depolymerizing said sample after said step of separating a sample;
• a step of analyzing a fragment of said sample to obtain a second mass spectrometric data by performing said step of irradiating with a laser beam without performing said step of depolymerizing said sample after said step of separating a sample, said fragment of said sample being generated by a light irradiation;
• and
• a step of identifying said sample based on said first mass spectrometric data and said second mass spectrometric data.

A method of analysis in which a mass spectrometric analysis is performed with the use of a microchip having a sample separation area, comprising:

• a step of developing a sample in said sample separation area according to a specific property of said sample;
• a step of irradiating with a laser beam while moving a light irradiation position along said sample separation area;
• and
• a step of analyzing a fragment of said sample to obtain mass spectrometric data, said fragment of said sample being generated by a light irradiation;
• a step of obtaining a first mass spectrometric analysis data, said step of obtaining said first mass spectrometric data including a step of depolymerizing said sample after said step of developing a sample;
• a step of analyzing a fragment of said sample to obtain a second mass spectrometric analysis data by performing said step of irradiating with a laser beam without performing said step of depolymerizing said sample after said step of developing a sample, said fragment of said sample being generated by a light irradiation;
• and
• a step of identifying said sample based on said first mass spectrometric data and said second mass spectrometric data.