Search Results - "Ivanisevic, Albena"

Persistent Photoconductivity, Nanoscale Topography, and Chemical Functionalization Can Collectively Influence the Behavior of PC12 Cells on Wide Bandgap Semiconductor Surfaces by Snyder, Patrick J., Kirste, Ronny, Collazo, Ramon, Ivanisevic, Albena

“…Wide bandgap semiconductors such as gallium nitride (GaN) exhibit persistent photoconductivity properties. The incorporation of this asset into the fabrication…”
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Engineering the Cell-Semiconductor Interface: A Materials Modification Approach using II-VI and III-V Semiconductor Materials by Bain, Lauren E., Ivanisevic, Albena

“…Developing functional biomedical devices based on semiconductor materials requires an understanding of interactions taking place at the material‐biosystem…”
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Electronic Biosensors Based on III-Nitride Semiconductors by Kirste, Ronny, Rohrbaugh, Nathaniel, Bryan, Isaac, Bryan, Zachary, Collazo, Ramon, Ivanisevic, Albena

“…We review recent advances of AlGaN GaN high-electron-mobility transistor (HEMT)-based electronic biosensors. We discuss properties and fabrication of…”
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Modified surface chemistry, potential, and optical properties of polar gallium nitride via long chained phosphonic acids by Wilkins, Stewart J., Paskova, Tania, Ivanisevic, Albena

“…•MUDPA and PFOPA solutions minimized surface potential to other treatments.•Functionalization was confirmed through both S2p and F1s XPS spectra.•Phosphoric…”
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Aqueous Stability of Ga- and N‑Polar Gallium Nitride by Foster, Corey M, Collazo, Ramon, Sitar, Zlatko, Ivanisevic, Albena

“…The stability of III-nitride semiconductors in various solutions becomes important as researchers begin to integrate them into sensing platforms. . This study…”
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Nanostructured GaOOH modified with reactive yellow, red and blue water-soluble dyes by Adams, W. Taylor, Vinueza, Nelson R., Romanyuk, Oleksandr, Gordeev, Ivan, Paskova, Tania, Ivanisevic, Albena

“…Water soluble reactive dyes are used to modify nanostructured GaOOH. The resulting particles showed excellent stability in water solutions. The materials were…”
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A mesoporous silica nanosphere-based drug delivery system using an electrically conducting polymer by Cho, Youngnam, Shi, Riyi, Ivanisevic, Albena, Ben Borgens, Richard

“…In this study, a mesoporous silica nanoparticle (MSN)-based nerve growth factor (NGF) delivery system has been successfully embedded within an electroactive…”
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Adsorption and adhesion of common serum proteins to nanotextured gallium nitride by Bain, Lauren E, Hoffmann, Marc P, Bryan, Isaac, Collazo, Ramón, Ivanisevic, Albena

“…As the broader effort towards device and material miniaturization progresses in all fields, it becomes increasingly important to understand the implications of…”
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Nanostructured Oxides Containing Ga: Materials with Unique Properties for Aqueous-Based Applications by Adams, W. Taylor, Ivanisevic, Albena

“…Oxides containing Ga have been studied by various research communities due to their stability under harsh conditions as well as conductivity and luminescence…”
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Long-term stability assessment of AlGaN/GaN field effect transistors modified with peptides: Device characteristics vs. surface properties by Rohrbaugh, Nathaniel, Bryan, Isaac, Bryan, Zachary, Collazo, Ramon, Ivanisevic, Albena

“…AlGaN/GaN Field Effect Transistors (FETs) are promising biosensing devices. Functionalization of these devices is explored in this study using an in situ…”
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Surface modifications on InAs decrease indium and arsenic leaching under physiological conditions by Jewett, Scott A., Yoder, Jeffrey A., Ivanisevic, Albena

“… [Display omitted] ► InAs was assessed under physiological conditions. ► A thiol-alcohol and a PEG-based polymer layers demonstrated the highest stability. ►…”
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Noninvasive Stimulation of Neurotypic Cells Using Persistent Photoconductivity of Gallium Nitride by Snyder, Patrick J, Reddy, Pramod, Kirste, Ronny, LaJeunesse, Dennis R, Collazo, Ramon, Ivanisevic, Albena

“…The persistent photoconductivity (PPC) of the n-type Ga-polar GaN was used to stimulate PC12 cells noninvasively. Analysis of the III–V semiconductor material…”
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“Dip-Pen” Nanolithography on Semiconductor Surfaces by Ivanisevic, Albena, Mirkin, Chad A

“…Dip-Pen Nanolithography (DPN) uses an AFM tip to deposit organic molecules through a meniscus onto an underlying substrate under ambient conditions. Thus far,…”
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Modification of the Surface Properties of AlxGa1–xN Substrates with Gradient Aluminum Composition Using Wet Chemical Treatments by Gleco, Sara, Romanyuk, Oleksandr, Gordeev, Ivan, Kuldová, Karla, Paskova, Tania, Ivanisevic, Albena

“…The surface properties of biomolecular gradients are widely known to be important for controlling cell dynamics, but there is a lack of platforms for studying…”
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Kelvin Probe Force Microscopy Analysis of the Covalent Functionalization and DNA Modification of Gallium Phosphide Nanorods by Richards, David N, Zemlyanov, Dmitry Y, Ivanisevic, Albena

“…The growth, covalent functionalization, and subsequent DNA modification of gallium phosphide (GaP) nanorods is presented. Analysis of the nanorods by scanning…”
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HgNO3 sensitivity of AlGaN/GaN field effect transistors functionalized with phytochelating peptides by Rohrbaugh, Nathaniel, Hernandez-Balderrama, Luis, Kaess, Felix, Kirste, Ronny, Collazo, Ramon, Ivanisevic, Albena

“…This study examined the conductance sensitivity of AlGaN/GaN field effect transistors in response to varying Hg/HNO3 solutions. FET surfaces were covalently…”
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Covalent attachment of a peptide to the surface of gallium nitride by Makowski, Matthew S., Zemlyanov, Dmitry Y., Lindsey, Jason A., Bernhard, Jonathan C., Hagen, Evan M., Chan, Burke K., Petersohn, Adam A., Medow, Matthew R., Wendel, Lindsay E., Chen, Dafang, Canter, Jamie M., Ivanisevic, Albena

“…The properties of GaN have made it not only an ideal material for high power and high frequency electronic devices, but also a semiconductor suitable for…”
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Formation and Characterization of Homogeneous and Mixed Self-Assembled Monolayers of Peptides and Alkanethiols on Indium Phosphide Surfaces by Park, Heeyeon H, Ivanisevic, Albena

“…This report describes the detailed characterization of alkanethiol and cysteine-terminated peptide layers on InP(100). Contact angle measurements, atomic force…”
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Ga Ion-Enhanced and Particle Shape-Dependent Generation of Reactive Oxygen Species in X‑ray-Irradiated Composites by Adams, W. T, Nolan, Michael W, Ivanisevic, Albena

“…The reported results test the effects of the collective behavior hypothesized to contribute to the production of more reactive oxygen species (ROS) in vitro…”
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Inorganic material coatings and their effect on cytotoxicity by Richards, David, Ivanisevic, Albena

“…Inorganic materials have become an increasingly researched topic due to their applications in many areas especially health care. One major problem with them is…”
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