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公开(公告)号：US11485950B2
公开(公告)日：2022-11-01
申请号：US16756080
申请日：2018-10-04
发明人： Hiroyuki Hirakawa , Haruo Yamamoto , Tadashi Iwamatsu , Yasuhiro Sakamoto , Hiroyuki Yamaji , Kohji Shinkawa , Mai Takasaki , Shohei Komaru , Fumiaki Sugimori
摘要： The present invention provides a cell stimulation device capable of uniformly electrically stimulating cells intended to be electrically stimulated, and of preventing medium components from decomposing and depositing.
[Solution] The cell stimulation device according to the present invention is intended to stimulate the cells being cultured in a culture medium, and is characterized in that the cell stimulation device includes an electron emission element for feeding electric charges to the culture medium via a gas phase, and an electric charge collecting electrode for collecting the electric charges from the culture medium, the electron emission element includes a lower electrode, a surface electrode, and an intermediate layer disposed between the lower electrode and the surface electrode, and the electric charge collecting electrode is disposed so as to be contactable with the culture medium.-
公开(公告)号：US11988634B2
公开(公告)日：2024-05-21
申请号：US17536863
申请日：2021-11-29
IPC分类号： G01N27/622 , G01N27/66
CPC分类号： G01N27/622 , G01N27/66
摘要： An ion generation apparatus according to the present invention includes an electron emission device, an opposite electrode, and a controller, the electron emission device includes a lower electrode, a surface electrode, and an intermediate layer provided between the lower electrode and the surface electrode, the opposite electrode is provided to be opposite to the surface electrode, and the controller is provided to apply a voltage to the surface electrode, the lower electrode, or the opposite electrode such that a potential of the surface electrode becomes higher than a potential of the lower electrode and a potential of the opposite electrode in a positive ion mode.
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公开(公告)号：US11971394B2
公开(公告)日：2024-04-30
申请号：US17047606
申请日：2019-04-16
发明人： Shohei Komaru , Tadashi Iwamatsu
摘要： The electron capture detector (100) is a device for detecting a sample (α1). The electron capture detector (100) includes a detection cell (1), a sample inlet (2), and an electron emitting element (20). The detection cell (1) forms a reaction chamber (6). The sample inlet (2) introduces a first carrier gas containing the sample (α1) into the reaction chamber (6). The electron emitting element (20) emits electrons (β) into the reaction chamber (6). An ion (α2) derived from the sample component is generated as a result of the electron emitting element (20) emitting electrons (β) into the reaction chamber (6).
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公开(公告)号：US11618695B2
公开(公告)日：2023-04-04
申请号：US16790617
申请日：2020-02-13
摘要： A liquid treatment device includes an electron emitting element, a first power supply, and a second power supply. The electron emitting element including a first electrode which is disposed facing water. The first power supply discharges electrons from the first electrode by applying a drive voltage to the electron emitting element. The second power supply applies a collection voltage between the first electrode and the water. The liquid treatment device preferably controls a substance added to the water by controlling the drive voltage.
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公开(公告)号：US11587777B2
公开(公告)日：2023-02-21
申请号：US17225558
申请日：2021-04-08
IPC分类号： H01J49/00 , H01J49/28 , G01N27/622
摘要： An analysis device includes an electron emission element, a collector, an electric field former, a power source, and a controller. The electron emission element includes a bottom electrode, a surface electrode, and an intermediate layer arranged between the bottom electrode and the surface electrode. The power source and the controller allow application of a voltage between the bottom electrode and the surface electrode. The electric field former forms an electric field in an ion movement region where anions directly or indirectly generated by electrons emitted from the electron emission element move toward the collector. The collector and the controller allow measurement of a current waveform of an electric current made to flow by arrival of anions at the collector. The controller regulates, based on the current waveform, a voltage applied between the bottom electrode and the surface electrode.
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公开(公告)号：US10782265B2
公开(公告)日：2020-09-22
申请号：US16362271
申请日：2019-03-22
摘要： An analysis apparatus includes an ionization section, an ion separation section, and an ion detection section. The ionization section generates one or more sample component-derived ions. The ion separation section separates the ions in accordance with mobility of the ions. The ion detection section detects the ion which passes through the ion separation section. The ionization section includes a reaction chamber and an electron emission element. A sample is introduced to the reaction chamber. The electron emission element emits an electron to the reaction chamber.
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