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Viscoelasticity and Biomedical Applications of Dynamic Covalent Crosslinked Hydrogels
Viscoelasticity and Biomedical Applications of Dynamic Covalent Crosslinked Hydrogels
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20250211153052
- ISBN
- 9798346381563
- DDC
- 612
- 저자명
- Lin, Yung-Hao.
- 서명/저자
- Viscoelasticity and Biomedical Applications of Dynamic Covalent Crosslinked Hydrogels
- 발행사항
- [Sl] : Stanford University, 2024
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- 형태사항
- 191 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 86-05, Section: B.
- 주기사항
- Advisor: Chaudhuri, Ovijit;Dunn, Alexander R.
- 학위논문주기
- Thesis (Ph.D.)--Stanford University, 2024.
- 초록/해제
- 요약Hydrogels have emerged as a powerful vehicle for drug delivery and cell delivery to promote tissue regeneration. Recently, there has been a focus in mimicking the viscoelasticity of tissues in the hydrogels to optimize their performance. Among these, dynamic covalent crosslinked (DCC) hydrogels are notable for their viscoelastic and injectable nature, making them ideal for both therapeutic and cell delivery applications.First, we discuss the impacts of an often-overlooked parameter-crosslinker architecture-on the mechanics of DCC hydrogels. Results unveil the distinct ranges of tunable stiffness and viscoelasticity based on crosslinker architectures. This provides insight into optimal matrix mechanical properties for 3D culture of chondrocytes for engineered cartilage, where fast stress relaxation and intermediate matrix degradation are potentially preferred.Next, we present the application of DCC hydrogels in bacteriophage (phages) delivery to combat life-threatening infections caused by nosocomial pathogens, particularly Pseudomonas aeruginosa (Pa). Hydrogel systems capable of sustained delivery of high-titer phages were developed, demonstrating superior bacterial burden reduction in a novel in vivo chronic wound infection model, compared to systemic phage treatment.Finally, we examine how the cancer cells generate forces to divide in viscoelastic hydrogels. Single cancer cells were found to generate substantial pushing forces to drive cell division in confining collagen gels, and neither cell spreading nor matrix degradation are found to be required for mitotic elongation. These results provide insights into how tumor cells proliferate in dense, collagen-rich tissues.Overall, this work highlights the translational potential of viscoelastic hydrogels in both regenerative medicine and therapeutics delivery, demonstrating the versatility of this class of biomaterials.
- 일반주제명
- Physiology
- 일반주제명
- Infections
- 일반주제명
- Mechanical properties
- 일반주제명
- Pathogens
- 일반주제명
- Extracellular matrix
- 일반주제명
- Biomedical materials
- 일반주제명
- Cell cycle
- 일반주제명
- Cell culture
- 일반주제명
- Drug dosages
- 일반주제명
- Polymers
- 일반주제명
- Hyaluronic acid
- 일반주제명
- Collagen
- 일반주제명
- Rheology
- 일반주제명
- Regenerative medicine
- 일반주제명
- Tissues
- 일반주제명
- Viscoelasticity
- 일반주제명
- Stem cells
- 일반주제명
- Polyethylene glycol
- 일반주제명
- Chemical engineering
- 일반주제명
- Hydrogels
- 일반주제명
- Cell division
- 일반주제명
- Biomedical engineering
- 일반주제명
- Cellular biology
- 일반주제명
- Developmental biology
- 일반주제명
- Materials science
- 일반주제명
- Mechanics
- 일반주제명
- Medicine
- 일반주제명
- Pharmaceutical sciences
- 일반주제명
- Plastics
- 일반주제명
- Polymer chemistry
- 일반주제명
- Physics
- 기타저자
- Stanford University.
- 기본자료저록
- Dissertations Abstracts International. 86-05B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■1001 ▼aLin, Yung-Hao.
■24510▼aViscoelasticity and Biomedical Applications of Dynamic Covalent Crosslinked Hydrogels
■260 ▼a[Sl]▼bStanford University▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a191 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 86-05, Section: B.
■500 ▼aAdvisor: Chaudhuri, Ovijit;Dunn, Alexander R.
■5021 ▼aThesis (Ph.D.)--Stanford University, 2024.
■520 ▼aHydrogels have emerged as a powerful vehicle for drug delivery and cell delivery to promote tissue regeneration. Recently, there has been a focus in mimicking the viscoelasticity of tissues in the hydrogels to optimize their performance. Among these, dynamic covalent crosslinked (DCC) hydrogels are notable for their viscoelastic and injectable nature, making them ideal for both therapeutic and cell delivery applications.First, we discuss the impacts of an often-overlooked parameter-crosslinker architecture-on the mechanics of DCC hydrogels. Results unveil the distinct ranges of tunable stiffness and viscoelasticity based on crosslinker architectures. This provides insight into optimal matrix mechanical properties for 3D culture of chondrocytes for engineered cartilage, where fast stress relaxation and intermediate matrix degradation are potentially preferred.Next, we present the application of DCC hydrogels in bacteriophage (phages) delivery to combat life-threatening infections caused by nosocomial pathogens, particularly Pseudomonas aeruginosa (Pa). Hydrogel systems capable of sustained delivery of high-titer phages were developed, demonstrating superior bacterial burden reduction in a novel in vivo chronic wound infection model, compared to systemic phage treatment.Finally, we examine how the cancer cells generate forces to divide in viscoelastic hydrogels. Single cancer cells were found to generate substantial pushing forces to drive cell division in confining collagen gels, and neither cell spreading nor matrix degradation are found to be required for mitotic elongation. These results provide insights into how tumor cells proliferate in dense, collagen-rich tissues.Overall, this work highlights the translational potential of viscoelastic hydrogels in both regenerative medicine and therapeutics delivery, demonstrating the versatility of this class of biomaterials.
■590 ▼aSchool code: 0212.
■650 4▼aPhysiology
■650 4▼aInfections
■650 4▼aMechanical properties
■650 4▼aPathogens
■650 4▼aExtracellular matrix
■650 4▼aBiomedical materials
■650 4▼aCell cycle
■650 4▼aCell culture
■650 4▼aDrug dosages
■650 4▼aPolymers
■650 4▼aHyaluronic acid
■650 4▼aCollagen
■650 4▼aRheology
■650 4▼aCell adhesion & migration
■650 4▼aRegenerative medicine
■650 4▼aTissues
■650 4▼aViscoelasticity
■650 4▼aStem cells
■650 4▼aPolyethylene glycol
■650 4▼aChemical engineering
■650 4▼aHydrogels
■650 4▼aCell division
■650 4▼aBiomedical engineering
■650 4▼aCellular biology
■650 4▼aDevelopmental biology
■650 4▼aMaterials science
■650 4▼aMechanics
■650 4▼aMedicine
■650 4▼aPharmaceutical sciences
■650 4▼aPlastics
■650 4▼aPolymer chemistry
■650 4▼aPhysics
■690 ▼a0542
■690 ▼a0719
■690 ▼a0541
■690 ▼a0379
■690 ▼a0758
■690 ▼a0794
■690 ▼a0346
■690 ▼a0564
■690 ▼a0572
■690 ▼a0795
■690 ▼a0495
■690 ▼a0605
■71020▼aStanford University.
■7730 ▼tDissertations Abstracts International▼g86-05B.
■790 ▼a0212
■791 ▼aPh.D.
■792 ▼a2024
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164830▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.


