Search Results - "Roberson, Sonya"

Depth Profiling of 4-Acetamindophenol-Doped Poly(lactic acid) Films Using Cluster Secondary Ion Mass Spectrometry by Mahoney, Christine M, Roberson, Sonya V, Gillen, Greg

“…The feasibility of using cluster secondary ion mass spectrometry for depth profiling of drug delivery systems is explored. The behavior of various…”
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Preliminary evaluation of an SF5+ polyatomic primary ion beam for analysis of organic thin films by secondary ion mass spectrometry by Gillen, Greg, Roberson, Sonya

“…Organic vapor deposited thin films of pure biomolecules, polymer films and biomolecules dispersed in gelatin and biological tissue have been analyzed in a…”
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Multifunctional ToF-SIMS: combinatorial mapping of gradient energy substrates by Roberson, Sonya V, Fahey, Albert J, Sehgal, Amit, Karim, Alamgir

“…We present a simple method for chemical modification of chlorosilane self-assembled monolayers (SAMs) on Si surfaces by exposure to a gradient of UV-ozone…”
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Dynamic SIMS utilizing SF 5+ polyatomic primary ion beams for drug delivery applications by Mahoney, Christine M., Roberson, Sonya, Gillen, Greg

“…The behavior of various biodegradable polymer films (e.g. polylactic acid, polyglycolic acid and polycaprolactone) as well as some model drugs (theophylline…”
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Dynamic SIMS utilizing SF5+ polyatomic primary ion beams for drug delivery applications by Mahoney, Christine M., Roberson, Sonya, Gillen, Greg

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Thermolithographic Patterning of Sol−Gel Metal Oxides on Micro Hot Plate Sensing Arrays Using Organosilanes by Savage, Nancy Ortins, Roberson, Sonya, Gillen, Greg, Tarlov, Michael J, Semancik, Steve

“…Sol−gel-derived SnO2 and Fe2O3 were selectively deposited on elements of micro hot plate (μHP) arrays. The silicon micromachined μHP arrays contain heating…”
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Time-of-flight secondary ion mass spectrometry (TOF-SIMS) for high-throughput characterization of biosurfaces by Roberson, S., Sehgal, A., Fahey, A., Karim, A.

“…A graded oxidation process, involving UV-ozone (UVO) treatment, was used to create a poly(ε-caprolactone) (PCL) surface with a systematic variation in surface…”
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Dynamic SIMS utilizing SF5+ polyatomic primary ion beams for drug delivery applications by MAHONEY, Christine M, ROBERSON, Sonya, GILLEN, Greg

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Elemental and molecular imaging of human hair using secondary ion mass spectrometry by Gillen, Greg, Roberson, Sonya, Ng, Connie, Stranick, Michael

“…Secondary ion mass spectrometry (SIMS) is used to image the spatial distribution of elemental and molecular species on the surface and in cross sections of…”
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Application of an SF(5+) polyatomic primary projectile for organic secondary ion mass spectrometry (SIMS) by Roberson, Sonya Vernita

“…In this dissertation, the surface analysis technique, secondary ion mass spectrometry (SIMS) is used to study the emission of two neurotransmitter molecules…”
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