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Full-Text Articles in Physical Sciences and Mathematics
Organic Materials As Templates For The Formation Of Mesoporous Inorganic Materials And Ordered Inorganic Nanocomposites, Christopher Ryan Ziegler
Organic Materials As Templates For The Formation Of Mesoporous Inorganic Materials And Ordered Inorganic Nanocomposites, Christopher Ryan Ziegler
Open Access Dissertations
Hierarchically structured inorganic materials are everywhere in nature. From unicellular aquatic algae such as diatoms to the bones and/or cartilage that comprise the skeletal systems of vertebrates. Complex mechanisms involving site-specific chemistries and precision kinetics are responsible for the formation of such structures. In the synthetic realm, reproduction of even the most basic hierarchical structure effortlessly produced in nature is difficult. However, through the utilization of self-assembling structures or "templates", such as polymers or amphiphilic surfactants, combined with some favorable interaction between a chosen inorganic, the potential exists to imprint an inorganic material with a morphology dictated via synthetic molecular …
Design Of Hybrid Conjugated Polymer Materials: 1) Novel Inorganic/Organic Hybrid Semiconductors And 2) Surface Modification Via Grafting Approaches, Joseph J. Peterson
Design Of Hybrid Conjugated Polymer Materials: 1) Novel Inorganic/Organic Hybrid Semiconductors And 2) Surface Modification Via Grafting Approaches, Joseph J. Peterson
Open Access Dissertations
The research presented in this dissertation focuses on the design and synthesis of novel hybrid conjugated polymer materials using two different approaches: 1) inorganic/organic hybrid semiconductors through the incorporation of carboranes into the polymer structure and 2) the modification of surfaces with conjugated polymers via grafting approaches. Hybrid conjugated polymeric materials, which are materials or systems in which conjugated polymers are chemically integrated with non-traditional structures or surfaces, have the potential to harness useful properties from both components of the material to help overcome hurdles in their practical realization in polymer-based devices. This work is centered around the synthetic challenges …
Design And Synthesis Of A New Class Of Self-Cross-Linked Polymer Nanogels, Siriporn Jiwpanich
Design And Synthesis Of A New Class Of Self-Cross-Linked Polymer Nanogels, Siriporn Jiwpanich
Open Access Dissertations
The design and engineering of nanoscopic drug delivery vehicles that stably encapsulate lipophilic drug molecules, transport their loaded cargo to specific target sites, and release their payload in a controlled manner are of great interest in therapeutic applications, especially for cancer chemotherapy. This dissertation focuses on chemically cross-linked, water-soluble polymer nanoparticles, termed nanogels, which constitute a promising scaffold and offer the potential to circumvent encapsulation stability issues. A facile synthetic method for a new class of self-cross-linked polymer nanogels, synthesized by an intra/intermolecular disulfide cross-linking reaction in aqueous media, is described here. This simple emulsion-free method affords noncovalent lipophilic guest …