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- Ion implanted; collagen type 1; helium ion (He+); nitrogen ion (N+); nanofibrous scaffold; humidity – fiber diameter correlation; Polychromatic ion beam; crosslinking; Stopping and Range of Ions in Matter (SRIM); degree of crosslinking (1)
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Articles 1 - 3 of 3
Full-Text Articles in Medical Biochemistry
Electrospun Collagen Nanofibers For Tissue Engineering, Nisha Sharma
Electrospun Collagen Nanofibers For Tissue Engineering, Nisha Sharma
Electronic Thesis and Dissertation Repository
Design and fabrication of the scaffold is an important part of the tissue engineering process. Nanofibrous scaffolds based on proteins are gaining increasing acceptance due to its structural similarity to the extracellular matrix. Making use of the electrospinning technique, rat tail collagen type I nanofibers were produced using a collagen in hexafluoroisopropanol (HFIP) solution. In addition to optimizing the electrospinning process parameters, the effect of humidity on fiber morphology and diameter was investigated for fiber size control for particular tissue engineering applications. A generalized humidity effect on polymer fiber diameter of the polymer solution electrospinning process was developed. The as …
Investigating The Role Of Dispatched In Hedgehog Ligand Transport And Delivery, William Bodeen
Investigating The Role Of Dispatched In Hedgehog Ligand Transport And Delivery, William Bodeen
Theses and Dissertations (ETD)
During the development of all metazoans, the Hedgehog (Hh) signaling pathway provides instructional cues influencing a variety of cellular processes. The pathway ligand, Hh, is dually lipidated by cholesterol and palmitate, which effectively anchors the molecule to the lipid bilayer of the signal producing cell. To complicate the Hh pathway induction process, the Hh ligand is often produced at a significant distance from the cells it influences. Only one known conserved molecule, Dispatched (Disp), can alleviate the membrane tethering imparted by Hh lipidation. Underscoring the importance of Disp protein during development, knockout animals succumb to lethality at E9.5, an exact …
Investigating The Mechanism Of Novel Anticancer Agent, As1411 : Does Metabolism To Guanine Play A Role?, Parker T Howard
Investigating The Mechanism Of Novel Anticancer Agent, As1411 : Does Metabolism To Guanine Play A Role?, Parker T Howard
College of Arts & Sciences Senior Honors Theses
AS1411 is an oligonucleotide that has shown promising results in lab experiments and clinical trials as an anti-cancer drug, Likewise, treatments with guanine based purine compounds (GBPCs) have demonstrated similar anti-proliferative effects in vitro. This activity is dependent on the HGPRT enzyme. Similarities in activity and physical structure has led us to believe that AS1411 and GBPCs operate by a similar mechanism. To test this, we compare the activity of both in the presence of HGPRT siRNAs and HGPRT deficient cells. While siRNA treatment was unable to alter the activity of GBPCs or AS1411 in our cell lines, HGPRT deficient …