Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 29 for “"surface-functionalized"”.
-
Synthesis and Characterization of Surface-Functionalized Magnetic Polylactide Nanospheres
… characteristics or to further modify the surfaces of the complexes with biospecific moieties. The acid-functionalized silane endgroup was utilized as the dispersant anchor to adsorb onto magnetite nanoparticle surfaces and allowed the polylactide to extend into various solvents to impart …
-
Surface functionalized iron oxide nanoparticles for applications in biomedical sciences
… Fe3O4 iron oxide nanoparticles have been functionalized or modified to suit its requirements. This thesis aims to show how versatile and most promising Fe3O4 iron oxide nanoparticles are, and how their unique properties in size, shape, and magnetism can be utilized for a broad range of …
-
Surface Functionalized Water-Dispersible Magnetite Nanoparticles: Preparation, Characterization and the Studies of Their Bioapplications
… oxide magnetic nanoparticle synthesis and their surface functionalization hold a crucial position in the design and fabrication of functional materials for a variety of biomedical applications. Non-uniform nanoparticles with poor crystallinity, prepared by conventional methods, have only limited …
-
The fabrication and characterization of surface-functionalized microstructures : monolayers as precursors to molecular wires
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1993.
-
Factors influencing the uptake and fate of metallic nanoparticles in filter-feeding bivalves
… blood half-lives are required, MetNPs are surface-functionalized using polymers, proteins, and other stabilizing agents to facilitate their resistance to salt-induced aggregation. Given their colloidal stability in high ionic-strength matrices, functionalized MetNPs are anticipated to be …
-
Nano-based drug delivery systems: Targeting to corticospinal tract neurons for controlled release of therapeutics
… due to CNS cellular diversity. We suggest using surface functionalized nanoparticles (SFNPs) to specifically target particular neurons and deliver regeneration-encouraging drugs in a remotely actuation-able and controlled manner. We have developed fluorescently labeled polyethylene glycol (PEG) …
-
Magnetic domain walls for on-chip transport and detection of superparamagnetic beads
Surface-functionalized superparamagnetic (SPM) microbeads are of great interest in biomedical research and diagnostic device engineering for tagging, manipulating, and detecting chemical and biological species in a fluid environment. At the same time, lab-onchip technologies have grown popular due …
-
Antibody-functionalized nanoporous surfaces enable high throughput specific cell capture
Adhesion-based cell capture on surfaces in microfluidic devices forms the basis of numerous biomedical diagnostics and in vitro assays. Solid surface microfluidic platforms have been widely explored for biomedical diagnostics since samples can be precisely and reproducibly manipulated under …
-
Functional Metal Phosphonates
… This approach was also used in the synthesis of surface-functionalized divalent metal phosphonates which exhibit interesting amine uptake properties. Solvent and cation substitution effects were used to control the packing and connectivity of phosphonate-based clusters. The selective substitution …
-
Large Two-photon Absorption of Highly Conjugated Porphyrin Arrays and Their in vivo Applications
… to formulate fully biodegradable, non-toxic and surface-functionalized polymersomes of varying diameters, making them a promising and fully customizable multimodal diagnostic nano-structured soft-material for deep tissue imaging at high resolutions. We demonstrated key proof-of-principle …
-
Lymphocyte-mediated drug nanoparticle delivery to disseminated lymphoma tumors in vivo
… The dox liposomes and SN-38 nanoparticles were surface functionalized with maleimide groups to allow covalent conjugation of the particles to the plasma membrane thiol groups on T cells. In the orthotopic syngeneic murine Emu-myc Arf-/- lymphoma model, drug nanoparticle-decorated T cells …
-
Implications of Shape Factors on Fate, Uptake, and Nanotoxicity of Gold Nanomaterials
… electro-optical properties (e.g., localized surface plasmon resonance [LSPR]) that originate from the collective behavior of their surface electrons. These nanoparticles are commonly developed and used for biomedical and industrial application. A recent report has predicted that the global …
-
NOVEL EXPERIMENTAL APPROACHES AND THEORETICAL MODELS FOR IMPROVING SENSITIVITY AND INFORMATION CONTENT OF NMR AND MRI SPECTROSCOPY
… is particularly true for SPIONs that have been surface-functionalized to achieve an environment-sensitive MR response. Novel surface-functionalized SPIONs were investigated by examining their effect on nuclear spin relaxation in aqueous environments simulating bodily tissues. More specifically, …
-
Polyethylene glycol copolymer nanocarriers: Biocompatibility, uptake and intracellular trafficking in neurons
… The other three nanomaterial systems are surface functionalized nanocarriers (SFNCs) made of fluorescently-labeled PEG copolymers without the magnetic core. One system is derivatized by covalently-attached amino groups, producing SFNCs of 150 nm diameter (N150). The other two systems are …
-
Computer Simulation of Biological Systems
… between a segment of a DNA molecule and a functionalized surface; (b) the dynamical modelling of protein tau, an intrinsically disordered protein. We briefly describe here the two problems; for their detailed introduction we refer respectively to chapter DNA and chapter TAU. The interest in …
-
Enhancing Self-Healing Properties of Polymeric Nanocomposites through Surface Modification of Van der Waals 2D Materials: Exploring Beyond Graphene
… involved in their operation. In this work, surface-modified Van der Waals 2D materials, such as transition metal dichalcogenides (TMDs), hexagonal boron nitride (hBN) and MXene have been incorporated as nanofillers in polymer matrices to enhance their self-healing capabilities. The surface …
-
Design of electrode for electrochemical energy storage and conversion devices using multiwall carbon nanotubes
… are created by layer-by-layer (LbL) assembly of surface functionalized MWNTs. Negatively and positively charged MWNTs were prepared by surface functionalization, allowing the incorporation of MWNTs into highly tunable thin films via the LbL technique. The pH dependent surface charge on the MWNTs …
-
Layer-by-layer carbon nanotube electrodes for flexible chemical sensor and energy storage applications
… electrospun fiber mats via LbL assembly of surface-functionalized MWNTs. Negative and positive charges were introduced on outer walls of MWNTs by surface functionalization to enable the assembly of MWNTs into multilayer films without binder via the LbL technique. Conformal coating of MWNT …
Page 1 of 2