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Full-Text Articles in Biomedical Engineering and Bioengineering

Bioactivity And Cell-Mediated Targeting Of Multistage Nanoporous Silicon Particles, Jonathan O. Martinez May 2014

Bioactivity And Cell-Mediated Targeting Of Multistage Nanoporous Silicon Particles, Jonathan O. Martinez

UT GSBS Dissertations and Theses (Open Access)

Progress in drug delivery approaches have not adequately translated into clinical advances in the diagnosis or treatment of inflammatory disorders (e.g., cancer). This disconnect is rooted in the inefficient delivery of imaging and therapeutic agents to the inflamed site upon systemic delivery. A multitude of biological barriers pose insurmountable obstacles limiting the ability of the agent to effectively reach and accumulate at the target site. Nanoparticles (NP) surfaced as potential vectors to encapsulate and deliver biological agents. However, even after surface decoration, NP have failed to evade biological barriers (i.e., MPS) and to accumulate at the tumor site ...


Targeted Multistage Delivery Of Nanoparticles To The Bone Marrow, Aman Mann Aug 2011

Targeted Multistage Delivery Of Nanoparticles To The Bone Marrow, Aman Mann

UT GSBS Dissertations and Theses (Open Access)

Bone marrow is a target organ site involved in multiple diseases including myeloproliferative disorders and hematologic malignancies and metastases from breast and prostate. Most of these diseases are characterized with poor quality of life, and the treatment options are only palliative due to lack of delivery mechanisms for systemically injected drugs which results in dose limitation to protect the healthy hematopoietic cells. Therefore, there is a critical need to develop effective therapeutic strategies that allow for selective delivery of therapeutic payload to the bone marrow. Nanotechnology-based drug delivery systems provide the opportunity to deliver drugs to the target tissue while ...