Title

pH Sensor-embedded Magnetically Driven Capsule for Multiple Sampling of Gastric Juice and Detection of H. pylori in Stomach

Alternative Title

위장에서의 다중 위액 채취 및 헬리코박터 파일로리 검출을 위한 pH 센서 내장형 자기 구동 캡슐

DGIST Authors

Heesu An ; Sukho Park ; Dongwon Yun

Advisor

박석호

Co-Advisor(s)

Dongwon Yun

Issued Date

2022

Awarded Date

2022/02

Citation

Heesu An. (2022). pH Sensor-embedded Magnetically Driven Capsule for Multiple Sampling of Gastric Juice and Detection of H. pylori in Stomach. doi: 10.22677/thesis.200000597217

Type

Thesis

Subject

Helicobacter pylori, Magnetically driven capsule, pH sensor, Multiple sampling, Gastrointestinal disease

Description

Helicobacter pylori, Magnetically driven capsule, pH sensor, Multiple sampling, Gastrointestinal disease

Table Of Contents

Ⅰ. Introduction 1
1.1 Gut Microbiome in Human Body 1
1.2 Characteristics of H. pylori 1
1.3 Diagnosis of H. pylori Infection and Its Limitations 2
1.4 Limitations of Microorganisms Sampling Methods 2
1.5 Purpose of Research 4
Ⅱ. Design Concept & Working Process 5
2.1 Magnetically Driven Capsule for Multiple Sampling and Detection of H. pylori 5
2.2 EMA (Electromagnetic Actuation) System 6
2.3 pH Sensor for Detection of H. pylori 7
Ⅲ. Materials & Methods 10
3.1 Materials 10
3.2 H. pylori Culture 10
3.3 pH Sensor 11
3.4 Fabrication of pH Sensor-embedded Magnetically Driven Capsule 14
3.5 Experiment Setup 16
3.6 Magnetic Driving Test Using 6-coils EMA System 18
3.7 Phantom Test 18
3.8 Ex-vivo Test 19
Ⅳ. Results & Discussions 20
4.1 Characterization of pH Sensor 20
4.2 pH Sensor-embedded Magnetically Driven Capsule 23
4.3 Phantom Test 26
4.4 Ex-vivo Test 29
Ⅴ. Conclusion 32

URI

http://dgist.dcollection.net/common/orgView/200000597217
http://hdl.handle.net/20.500.11750/16312

DOI

10.22677/thesis.200000597217

Degree

Master

Department

Robotics Engineering

Publisher

DGIST

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