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Enhanced magnetic manipulation of bio-functionalized cells and their membrane elasticity analysis
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dc.contributor.advisor 김철기 -
dc.contributor.author Ali Abbas -
dc.date.accessioned 2023-03-22T19:57:46Z -
dc.date.available 2023-03-22T19:57:46Z -
dc.date.issued 2023 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/45770 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000656095 -
dc.description Bio-functionalized particles, magnetophoresis, gradient field, Railway track, energy landscape, bio-entities. -
dc.description.tableofcontents Ⅰ. Introduction 1
1.1 Magnetic bio-functionalized cells 2
1.2 Significance of magnetic manipulation for bio-functionalized particles 3
1.3 Micromagnetic pattern for the manipulation of bio-functionalized particles 4
1.4 External field directionality and magnetic bead manipulation 5
1.5 Enhanced manipulation of bio-functionalized particles 7
1.6 Cell membrane plasticity/elasticity measurement via magnetic force 10
II. Theoretical Background 12
2.1 Various external forces for the manipulation of bio-functionalized particles 12
2.2 Magnetophoresis 13
2.3 Effective magnetic force acting on bio-functionalized particles 13
2.3.1 Gradient magnetic force 13
2.4 Various methods for the cell mechanical properties analysis 15
III. Materials and Methods 16
3.1 Materials 16
3.2 On-chip micro-patterned device fabrication 16
3.2.1 Substrate cleaning 16
3.2.2 Photolithography 17
3.2.3 Sputtering (magnetic thin film deposition) 18
3.2.4 Electrochemical deposition for disk and half-disk patterns 18
3.2.5 Teflon coating as passivation layer 19
3.3 Simulation of Railway magnetic texture for the fixed directionality 20
3.4 Bio-functionalization of magnetic particles 24
3.5 Cell conjugation with magnetic particles 25
3.5.1 Binding of HLA-A2/EpCAM antibodies to the magnetic particles 25
3.5.2 Cell Culturing and growth 25
3.5.3 Binding of cells and SPM particles 26
3.6 Experimental set-up 26
IV. Results and Discussions 28
4.1 Railway surface texture for enhanced manipulation of magnetic beads 28
4.1.1 Linear Railway-track 28
4.1.2 Classification and optimization of the Railway unit structure 29
4.1.3 Particle movement on the T and S-shaped Railway-track 31
4.1.4 Complex maze shaped Railway-track for the particle manipulation 32
4.1.5 Railway-track as a particle collector 34
4.1.6 Railway-track as an integrated particle isolator 36
4.2 Cell membrane elasticity measurement with the magnetophoretic device 39
Conclusion 43
References 44
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dc.format.extent 49 -
dc.language eng -
dc.publisher DGIST -
dc.title Enhanced magnetic manipulation of bio-functionalized cells and their membrane elasticity analysis -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000656095 -
dc.description.degree Master -
dc.contributor.department Department of Physics and Chemistry -
dc.identifier.bibliographicCitation Ali Abbas. (2023). Enhanced magnetic manipulation of bio-functionalized cells and their membrane elasticity analysis. doi: 10.22677/THESIS.200000656095 -
dc.contributor.coadvisor Chun-Yeol You -
dc.date.awarded 2023-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.MM AL398 202302 -
dc.date.accepted 2023-03-21 -
dc.contributor.alternativeDepartment 화학물리학과 -
dc.subject.keyword Bio-functionalized particles -
dc.subject.keyword magnetophoresis -
dc.subject.keyword gradient field -
dc.subject.keyword Railway track -
dc.subject.keyword energy landscape -
dc.subject.keyword bio-entities. -
dc.contributor.affiliatedAuthor Ali Abbas -
dc.contributor.affiliatedAuthor CheolGi Kim -
dc.contributor.affiliatedAuthor Chun-Yeol You -
dc.contributor.alternativeName Ali Abbas -
dc.contributor.alternativeName CheolGi Kim -
dc.contributor.alternativeName 유천열 -
dc.rights.embargoReleaseDate 2028-02-29 -
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