公开(公告)号：US11519023B2

公开(公告)日：2022-12-06

申请号：US16958797

申请日：2018-12-27

Applicant: KOREA FOOD RESEARCH INSTITUTE

Inventor： Min-Ah Woo ,  Min-Cheol Lim ,  Sung-Wook Choi ,  Tai-Yong Kim

IPC: C12Q1/6853 ,  G01N21/25

Abstract: There is provided a paper-based colorimetric sensor kit for quickly and simply diagnosing mercury in situ with a naked eye. The paper-based colorimetric sensor kit includes: a circular template for rolling circle amplification (RCA); a primer that does not hybridize to the circular template when a mercury ion is bonded to a primer that hybridizes to the circular template; a DNA polymerase; a sensing material kit including a nanoparticle probe labeled to a DNA coil formed in the circular template for RCA; and a radial chromatography paper.

公开(公告)号：US10955293B2

公开(公告)日：2021-03-23

申请号：US16800085

申请日：2020-02-25

Applicant: KOREA FOOD RESEARCH INSTITUTE

Inventor： Gyeong-Sik Ok ,  Sung-Wook Choi ,  Hyun-Joo Chang

IPC: G01J3/42 ,  G01N21/3581 ,  G01V8/10 ,  G02B5/00 ,  G01V8/14 ,  G01V8/18

Abstract: According to one embodiment of the present invention, a terahertz wave concentrating module can comprise: a first lens for changing a terahertz wave, which is emitted while a terahertz Bessel beam penetrates an object to be inspected, so as to have a small angle; and a second lens for concentrating, on a detector, the terahertz wave having passed through the first lens.

公开(公告)号：US11635377B2

公开(公告)日：2023-04-25

申请号：US16759374

申请日：2018-02-09

Applicant: KOREA FOOD RESEARCH INSTITUTE

Inventor： Gyeong-Sik Ok ,  Hee-Jun Shin ,  Sung-Wook Choi

IPC: G02B26/12 ,  G01N21/59

Abstract: A high-speed device, for inspecting a large area of an object, which includes: a terahertz wave generation portion configured to generate a terahertz wave; a ring beam forming portion configured to form a ring beam by using the terahertz wave incident from the terahertz wave generation portion; a rotary mirror configured to reflect the ring beam formed by the ring beam forming portion while rotating to allow the ring beam to be incident on an inspection target object; and a detector configured to detect a ring beam generated from the inspection target object.

公开(公告)号：US10768049B2

公开(公告)日：2020-09-08

申请号：US16800077

申请日：2020-02-25

Applicant: KOREA FOOD RESEARCH INSTITUTE

Inventor： Gyeong-Sik Ok ,  Sung-Wook Choi ,  Hyun-Joo Chang

IPC: G01J3/42 ,  G01V8/10 ,  G02B5/00 ,  G01V8/14 ,  G01N21/3581 ,  G01V8/18

Abstract: A high resolution inspection apparatus using a terahertz Bessel beam. The high resolution inspection apparatus comprises a terahertz wave generating unit for generating a terahertz wave; a Bessel beam forming unit for forming a terahertz Bessel beam at an inspection target object using a terahertz wave incident from the terahertz wave generating unit; a first lens for changing an angle of the terahertz wave radiated, when the terahertz Bessel beam is transmitted through the inspection target object, to be smaller; a second lens for concentrating the terahertz wave passing through the first lens and toward a detection unit; and a terahertz wave detection unit for detecting the terahertz wave concentrated by the second lens.

公开(公告)号：US11248960B2

公开(公告)日：2022-02-15

申请号：US17137881

申请日：2020-12-30

Applicant: KOREA FOOD RESEARCH INSTITUTE

Inventor： Gyeong-Sik Ok ,  Sung-Wook Choi ,  Hyun-Joo Chang

IPC: G01J3/42 ,  G01V8/10 ,  G01N21/3581 ,  G02B5/00 ,  G01V8/14 ,  G01V8/18

Abstract: A high resolution inspection apparatus using a terahertz Bessel beam. The high resolution inspection apparatus comprises a terahertz wave generating unit for generating a terahertz wave; a Bessel beam forming unit for generating a terahertz Bessel beam using the terahertz wave incident from the terahertz wave generating unit; a ring beam forming unit for forming a ring beam using the terahertz Bessel beam and concentrating the formed ring beam to an inspection target object; a scattered light detecting unit for detecting scattered light generated from the inspection target object; and a ring beam detecting unit for detecting a ring beam transmitted through the inspection target object.

公开(公告)号：US10648864B2

公开(公告)日：2020-05-12

申请号：US16344494

申请日：2016-11-23

Applicant: KOREA FOOD RESEARCH INSTITUTE

Inventor： Gyeong-Sik Ok ,  Sung-Wook Choi ,  Hyun-Joo Chang

IPC: G01J3/42 ,  G01V8/14 ,  G01N21/3581 ,  G02B5/00 ,  G01V8/18 ,  G01V8/10

Abstract: According to one embodiment of the present invention, a terahertz wave concentrating module can comprise: a first lens for changing a terahertz wave, which is emitted while a terahertz Bessel beam penetrates an object to be inspected, so as to have a small angle; and a second lens for concentrating, on a detector, the terahertz wave having passed through the first lens.