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Structure-Function Relationships of Gold Nanomaterials for Molecular Sensing
Structure-Function Relationships of Gold Nanomaterials for Molecular Sensing
Detailed Information
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202105133
- ISBN
- 9798265482921
- DDC
- 540
- 저자명
- Wu, Yuhao Leo.
- 서명/저자
- Structure-Function Relationships of Gold Nanomaterials for Molecular Sensing
- 발행사항
- [Sl] : Northwestern University, 2025
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2025
- 형태사항
- 125 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 87-06, Section: B.
- 주기사항
- Advisor: Odom, Teri.
- 학위논문주기
- Thesis (Ph.D.)--Northwestern University, 2025.
- 초록/해제
- 요약Nanomaterials have demonstrated great potential in healthcare applications, including cancer therapeutics, biosensing, and drug delivery. At the core of these applications are nanoconstructs which constitute of nanoparticle (NP) cores and functionalized ligand shells. The physical and chemical properties of those nanoconstructs must be precisely engineered to achieve optimal performance. While conventional design parameters such as materials composition, size, surface charge, and ligand identity are well-established, nanoscale feature has emerged as a critical yet underexplored factor of function. Prior studies have shown that anisotropic gold nanoparticles (AuNPs) with nanospikes show enhanced targeting efficacy and therapeutic performance relative to spherical counterparts. However, the mechanistic understanding of the structure-function relationship of nanospikes remains inconclusive, limiting the application of anisotropic AuNP in healthcare field.This dissertation investigates the unique properties of gold nanoscale spikes where interesting phenomena happen at those high-curvature regions (radii 10 nm). Chapter 1 introduces the synthesis of spiky features and the growing importance of shape engineering in therapeutics and biosensing application. Chapter 2 demonstrates that length scale accessible at the tips of nanospikes can achieve selective targeting of receptors on cell membrane. We used single particle tracking technique to characterize the interactions between nanoconstructs and receptors to elucidate the importance of spatially controlled ligand presentation in cancer therapeutics. Chapter 3 explores the electrical properties of nanospikes and their antifouling behavior in electrochemical biosensors. Chapter 4 outlines an initial exploration into the plasmonic contributions of nanospikes for dual-model characterization platform. Collectively, these studies establish the structure-function relationships of nanospikes and provide foundational insights for the rational design of anisotropic nanoconstructs in biomedical and sensing applications.
- 일반주제명
- Chemistry
- 일반주제명
- Biomedical engineering
- 일반주제명
- Physical chemistry
- 일반주제명
- Materials science
- 일반주제명
- Nanotechnology
- 키워드
- Nanoconstructs
- 키워드
- Nanospikes
- 키워드
- Biosensing
- 기타저자
- Northwestern University Chemistry
- 기본자료저록
- Dissertations Abstracts International. 87-06B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■00520260202105133
■006m o d
■007cr#unu||||||||
■020 ▼a9798265482921
■035 ▼a(MiAaPQ)AAI32239349
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a540
■1001 ▼aWu, Yuhao Leo.
■24510▼aStructure-Function Relationships of Gold Nanomaterials for Molecular Sensing
■260 ▼a[Sl]▼bNorthwestern University▼c2025
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2025
■300 ▼a125 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 87-06, Section: B.
■500 ▼aAdvisor: Odom, Teri.
■5021 ▼aThesis (Ph.D.)--Northwestern University, 2025.
■520 ▼aNanomaterials have demonstrated great potential in healthcare applications, including cancer therapeutics, biosensing, and drug delivery. At the core of these applications are nanoconstructs which constitute of nanoparticle (NP) cores and functionalized ligand shells. The physical and chemical properties of those nanoconstructs must be precisely engineered to achieve optimal performance. While conventional design parameters such as materials composition, size, surface charge, and ligand identity are well-established, nanoscale feature has emerged as a critical yet underexplored factor of function. Prior studies have shown that anisotropic gold nanoparticles (AuNPs) with nanospikes show enhanced targeting efficacy and therapeutic performance relative to spherical counterparts. However, the mechanistic understanding of the structure-function relationship of nanospikes remains inconclusive, limiting the application of anisotropic AuNP in healthcare field.This dissertation investigates the unique properties of gold nanoscale spikes where interesting phenomena happen at those high-curvature regions (radii 10 nm). Chapter 1 introduces the synthesis of spiky features and the growing importance of shape engineering in therapeutics and biosensing application. Chapter 2 demonstrates that length scale accessible at the tips of nanospikes can achieve selective targeting of receptors on cell membrane. We used single particle tracking technique to characterize the interactions between nanoconstructs and receptors to elucidate the importance of spatially controlled ligand presentation in cancer therapeutics. Chapter 3 explores the electrical properties of nanospikes and their antifouling behavior in electrochemical biosensors. Chapter 4 outlines an initial exploration into the plasmonic contributions of nanospikes for dual-model characterization platform. Collectively, these studies establish the structure-function relationships of nanospikes and provide foundational insights for the rational design of anisotropic nanoconstructs in biomedical and sensing applications.
■590 ▼aSchool code: 0163.
■650 4▼aChemistry
■650 4▼aBiomedical engineering
■650 4▼aPhysical chemistry
■650 4▼aMaterials science
■650 4▼aNanotechnology
■653 ▼aMolecular sensing
■653 ▼aGold nanomaterials
■653 ▼aNanoconstructs
■653 ▼aNanospikes
■653 ▼aBiosensing
■690 ▼a0485
■690 ▼a0541
■690 ▼a0794
■690 ▼a0652
■690 ▼a0494
■71020▼aNorthwestern University▼bChemistry.
■7730 ▼tDissertations Abstracts International▼g87-06B.
■790 ▼a0163
■791 ▼aPh.D.
■792 ▼a2025
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17359527▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
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