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Research Output 1971 2019

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2018

Moving mesh adaptation for Si and GaN-based power device simulation

Ismail, F., Sarker, P., Mohamed, M., Kim, K. & Ravaioli, U., Dec 1 2018, In : Journal of Computational Electronics. 17, 4, p. 1621-1629 9 p.

Research output: Contribution to journalArticle

Moving Mesh
Device Simulation
Mesh Adaptation
Semiconductor devices
Semiconductor Device Simulation

Sustained exenatide delivery via intracapsular microspheres for improved survival and function of microencapsulated porcine islets

Lew, B., Kim, I. Y., Choi, H. & Kim, K., Jan 25 2018, In : Drug Delivery and Translational Research. 8, 3, p. 857-862 6 p.

Research output: Contribution to journalArticle

Microspheres
Swine
glycolic acid
Insulin
Glucose
2017
Hydrogel
Microspheres
Encapsulation
Hydrogels
Capsules
2016

Robust neuroprotective effects of intranasally delivered iNOS siRNA encapsulated in gelatin nanoparticles in the postischemic brain

Kim, I. D., Sawicki, E., Lee, H. K., Lee, E. H., Park, H. J., Han, P. L., Kim, K., Choi, H. & Lee, J. K., Jul 1 2016, In : Nanomedicine: Nanotechnology, Biology, and Medicine. 12, 5, p. 1219-1229 11 p.

Research output: Contribution to journalArticle

Neuroprotective Agents
Gelatin
Nanoparticles
Small Interfering RNA
Brain
2015

Improvement of Ohmic contacts to n-type GaN using a Ti/Al multi-layered contact scheme

Pang, L. & Kim, K., Jan 1 2015, In : Materials Science in Semiconductor Processing. 29, p. 90-94 5 p.

Research output: Contribution to journalArticle

Ohmic contacts
electric contacts
Contact resistance
Surface morphology
Atomic force microscopy

Toxicity of silica nanoparticles depends on size, dose, and cell type

Kim, I. Y., Joachim, E., Choi, H. & Kim, K., Jan 1 2015, In : Nanomedicine: Nanotechnology, Biology, and Medicine. 11, 6, p. 1407-1416 10 p.

Research output: Contribution to journalArticle

Cell Size
Silicon Dioxide
Nanoparticles
Toxicity
Silica
2014

Biodegradable gelatin microspheres enhance the neuroprotective potency of osteopontin via quick and sustained release in the post-ischemic brain

Jin, Y., Kim, I. Y., Kim, I. D., Lee, H. K., Park, J. Y., Han, P. L., Kim, K., Choi, H. & Lee, J. K., Jan 1 2014, In : Acta Biomaterialia. 10, 7, p. 3126-3135 10 p.

Research output: Contribution to journalArticle

Osteopontin
Gelatin
Microspheres
Brain
Encapsulation

Gelatin nanoparticles enhance the neuroprotective effects of intranasally administered osteopontin in rat ischemic stroke model

Joachim, E., Kim, I. D., Jin, Y., Kim, K., Lee, J. K. & Choi, H., Nov 18 2014, In : Drug Delivery and Translational Research. 4, 5-6, p. 395-399 5 p.

Research output: Contribution to journalArticle

Osteopontin
Neuroprotective Agents
Gelatin
Nanoparticles
Stroke
High electron mobility transistors
high electron mobility transistors
Molecular beam epitaxy
high current
molecular beam epitaxy
2013

Effects of controlled surface treatment on titanium dioxide electrode nanostructure for dye-sensitized solar cells

Heil, P. E., Kang, H., Choi, H. & Kim, K., Aug 1 2013, In : Applied Physics A: Materials Science and Processing. 112, 2, p. 371-380 10 p.

Research output: Contribution to journalArticle

Titanium dioxide
Surface treatment
Nanostructures
Electrodes
Electrons

In vitro and in vivo imaging of peptide-encapsulated polymer nanoparticles for cancer biomarker activated drug delivery

Kulsharova, G. K., Lee, M. B., Cheng, F., Haque, M., Choi, H., Kim, K., O'Brien, W. D. & Liu, G. L., Dec 1 2013, In : IEEE Transactions on Nanobioscience. 12, 4, p. 304-310 7 p., 4.

Research output: Contribution to journalArticle

Tumor Biomarkers
Drug delivery
Nanoparticles
Peptides
Polymers
2012

AlGaN/GaN MOSHEMT with high-quality gate-SiO 2 achieved by room-temperature radio frequency magnetron sputtering

Pang, L., Lian, Y., Kim, D. S., Lee, J. H. & Kim, K., Aug 7 2012, In : IEEE Transactions on Electron Devices. 59, 10, p. 2650-2655 6 p., 6256713.

Research output: Contribution to journalArticle

Gates (transistor)
High electron mobility transistors
Magnetron sputtering
Sputtering
Metals
Gate dielectrics
High electron mobility transistors
high electron mobility transistors
Plasma enhanced chemical vapor deposition
Electric breakdown

Controlled release of Pantoea agglomerans E325 for biocontrol of fire blight disease of apple

Kim, I. Y., Pusey, P. L., Zhao, Y., Korban, S. S., Choi, H. & Kim, K., Jul 10 2012, In : Journal of Controlled Release. 161, 1, p. 109-115 7 p.

Research output: Contribution to journalArticle

Pantoea
Malus
Erwinia amylovora
Capsules
Plant Diseases

Transfer printing of flexible hybrid inductor-capacitor filters via pre-etched silicon-on-insulator mother wafer

Pang, L., Seo, H. C. & Kim, K., Aug 6 2012, In : Applied Physics Letters. 101, 6, 063113.

Research output: Contribution to journalArticle

inductors
printing
capacitors
insulators
wafers
2011

Integration of type II nanorod heterostructures into photovoltaics

McDaniel, H., Heil, P. E., Tsai, C. L., Kim, K. & Shim, M., Sep 27 2011, In : ACS Nano. 5, 9, p. 7677-7683 7 p.

Research output: Contribution to journalArticle

Nanorods
nanorods
Heterojunctions
cost effectiveness
Carrier transport

Interface analysis of Ti/Al/Ti/Au ohmic contacts with regrown n + -GaN layers using molecular beam epitaxy

Seo, H. C., Sivaramakrishnan, S., Zuo, J-M., Pang, L., Krein, P. T. & Kim, K., Dec 1 2011, In : Surface and Interface Analysis. 43, 13, p. 1627-1631 5 p.

Research output: Contribution to journalArticle

Ohmic contacts
Molecular beam epitaxy
electric contacts
molecular beam epitaxy
Metals

Modeling of small-molecule release from crosslinked hydrogel microspheres: Effect of crosslinking and enzymatic degradation of hydrogel matrix

Cheng, F., Choy, Y. B., Choi, H. & Kim, K., Jan 17 2011, In : International Journal of Pharmaceutics. 403, 1-2, p. 90-95 6 p.

Research output: Contribution to journalArticle

Hydrogel
Microspheres
Glutaral
Gelatin
Pharmaceutical Preparations
Ohmic contacts
High electron mobility transistors
high electron mobility transistors
Molecular beam epitaxy
electric contacts

The effect of biodegradable gelatin microspheres on the neuroprotective effects of high mobility group box 1 A box in the postischemic brain

Jin, Y. C., Kim, S. W., Cheng, F., Shin, J. H., Park, J. K., Lee, S., Lee, J. E., Han, P. L., Lee, M., Kim, K., Choi, H. & Lee, J. K., Jan 1 2011, In : Biomaterials. 32, 3, p. 899-908 10 p.

Research output: Contribution to journalArticle

Neuroprotective Agents
Gelatin
Microspheres
Middle Cerebral Artery Infarction
Brain
2010

Breakdown voltage enhancement of AlGaN/GaN high-electron-mobility transistors via selective-area growth for ohmic contacts over ion implantation

Pang, L., Seo, H. C., Chapman, P., Adesida, I. & Kim, K., May 1 2010, In : Journal of Electronic Materials. 39, 5, p. 499-503 5 p.

Research output: Contribution to journalArticle

Ohmic contacts
High electron mobility transistors
high electron mobility transistors
Electric breakdown
electrical faults

Generation of stable multi-jets by flow-limited field-injection electrostatic spraying and their control via I-V characteristics

Gu, W., Heil, P. E., Choi, H. & Kim, K., Dec 15 2010, In : Journal of Physics D: Applied Physics. 43, 49, 492001.

Research output: Contribution to journalArticle

spraying
Spraying
Electrostatics
electrostatics
injection

Structural properties of AlN grown on sapphire at plasma self-heating conditions using reactive magnetron sputter deposition

Seo, H. C., Petrov, I. & Kim, K., Aug 1 2010, In : Journal of Electronic Materials. 39, 8, p. 1146-1151 6 p.

Research output: Contribution to journalArticle

Sputter deposition
Aluminum nitride
Aluminum Oxide
aluminum nitrides
Sapphire
2009

Elastic buckling of AlN ribbons on elastomeric substrate

Seo, H. C., Petrov, I., Jeong, H., Chapman, P. & Kim, K., Mar 18 2009, In : Applied Physics Letters. 94, 9, 092104.

Research output: Contribution to journalArticle

elastic buckling
ribbons
crack initiation
high vacuum
crystallinity

Uniform ethyl cellulose microspheres of controlled sizes and polymer viscosities and their drug-release profiles

Choy, Y. B., Choi, H. & Kim, K., Apr 15 2009, In : Journal of Applied Polymer Science. 112, 2, p. 850-857 8 p.

Research output: Contribution to journalArticle

Microspheres
Cellulose
Polymers
Viscosity
Pharmaceutical Preparations
2008

Copper nanowires with a five-twinned structure grown by chemical vapor deposition

Kim, C., Gu, W., Briceno, M., Robertson, I. M., Choi, H. & Kim, K., May 19 2008, In : Advanced Materials. 20, 10, p. 1859-1863 5 p.

Research output: Contribution to journalArticle

Nanowires
Copper
Chemical vapor deposition
Substrates
Metals

Formation of low-resistance ohmic contact by damage-proof selective-area growth of single-crystal n + -GaN using plasma-assisted molecular beam epitaxy

Seo, H. C., Hong, S. J., Chapman, P. & Kim, K., May 1 2008, In : Journal of Electronic Materials. 37, 5, p. 635-640 6 p.

Research output: Contribution to journalArticle

Ohmic contacts
low resistance
Molecular beam epitaxy
electric contacts
Etching

Monodisperse gelatin microspheres as a drug delivery vehicle: Release profile and effect of crosslinking density

Choy, Y. B., Cheng, F., Choi, H. & Kim, K., Aug 11 2008, In : Macromolecular Bioscience. 8, 8, p. 758-765 8 p.

Research output: Contribution to journalArticle

Gelatin
Microspheres
Drug delivery
Crosslinking
Glutaral

Ti-based nonalloyed Ohmic contacts for Al 0.15 Ga 0.85 N/GaN high electron mobility transistors using regrown n + -GaN by plasma assisted molecular beam epitaxy

Seo, H. C., Chapman, P., Cho, H. I., Lee, J. H. & Kim, K., Sep 19 2008, In : Applied Physics Letters. 93, 10, 102102.

Research output: Contribution to journalArticle

high electron mobility transistors
electric contacts
molecular beam epitaxy
contact resistance
low resistance

Uniform chitosan microspheres for potential application to colon-specific drug delivery

Choy, Y. B., Cheng, F., Choi, H. & Kim, K., Dec 8 2008, In : Macromolecular Bioscience. 8, 12, p. 1173-1181 9 p.

Research output: Contribution to journalArticle

Chitosan
Microspheres
Drug delivery
Crosslinking
Colon
2007

A quantum mechanical theory for single molecule - Single nanoparticle surface enhanced Raman scattering

Gu, W., Choi, H. & Kim, K., Aug 23 2007, In : Journal of Physical Chemistry A. 111, 33, p. 8121-8125 5 p.

Research output: Contribution to journalArticle

Raman scattering
Raman spectra
Nanoparticles
nanoparticles
Molecules

Comprehensive model for fine Coulomb fission of liquid droplets charged to Rayleigh limit

Gu, W., Heil, P. E., Choi, H. & Kim, K., Aug 17 2007, In : Applied Physics Letters. 91, 6, 064104.

Research output: Contribution to journalArticle

fission
spraying
liquids
electrostatics
flow velocity

Macromolecule release from monodisperse PLG microspheres: Control of release rates and investigation of release mechanism

Berkland, C., Pollauf, E., Raman, C., Silverman, R., Kim, K. & Pack, D. W., Jan 1 2007, In : Journal of Pharmaceutical Sciences. 96, 5, p. 1176-1191 16 p.

Research output: Contribution to journalArticle

Microspheres
Macromolecules
lissamine rhodamine B
Injections
Biodegradable polymers

Monodisperse liquid-filled biodegradable microcapsules

Berkland, C., Pollauf, E., Varde, N., Pack, D. W. & Kim, K., May 1 2007, In : Pharmaceutical Research. 24, 5, p. 1007-1013 7 p.

Research output: Contribution to journalArticle

Capsules
Liquids
Technology
Encapsulation
Fabrication

Uniform biodegradable hydrogel microspheres fabricated by a surfactant-free electric-field-assisted method

Choy, Y. B., Choi, H. & Kim, K., Apr 10 2007, In : Macromolecular Bioscience. 7, 4, p. 423-428 6 p.

Research output: Contribution to journalArticle

Hydrogel
Microspheres
Hydrogels
Surface-Active Agents
Surface active agents
2006
low resistance
electric contacts
molecular beam epitaxy
field effect transistors
annealing
Field effect transistors
Molecular beam epitaxy
electric contacts
molecular beam epitaxy
field effect transistors

Universal approach to accurate resistivity measurement for a single nanowire: Theory and application

Gu, W., Choi, H. & Kim, K., Dec 1 2006, In : Applied Physics Letters. 89, 25, 253102.

Research output: Contribution to journalArticle

nanowires
electrical resistivity
contact resistance
systematic errors
copper
2005
spraying
electrostatics
injection
needles
nozzles

Imaging therapeutic proteins in gelatin for controlled drug release

Johnson, A. W., Serrano, N. J., Morgan, A. W., Jamison, R., Choy, Y. B., Choi, H., Kim, K. & DeCarlo, F., Jul 1 2005, In : Macromolecular Symposia. 227, p. 295-305 11 p.

Research output: Contribution to journalArticle

gelatins
Gelatin
drugs
proteins
Proteins

In vitro degradation of polyanhydride/polyester core-shell double-wall microspheres

Pollauf, E. J., Berkland, C., Kim, K. & Pack, D. W., Sep 14 2005, In : International Journal of Pharmaceutics. 301, 1-2, p. 294-303 10 p.

Research output: Contribution to journalArticle

Polyanhydrides
Polyesters
Microspheres
Polymers
Water

Modeling small-molecule release from PLG microspheres: Effects of polymer degradation and nonuniform drug distribution

Raman, C., Berkland, C., Kim, K. & Pack, D. W., Mar 2 2005, In : Journal of Controlled Release. 103, 1, p. 149-158 10 p.

Research output: Contribution to journalArticle

Microspheres
Polymers
Piroxicam
Pharmaceutical Preparations
Molecular Weight

Small-molecule release from poly(D,L-lactide)/poly(D,L-lactide-co- glycolide) composite microparticles

Pollauf, E. J., Kim, K. & Pack, D. W., Jan 1 2005, In : Journal of Pharmaceutical Sciences. 94, 9, p. 2013-2022 10 p.

Research output: Contribution to journalArticle

Piroxicam
Polymers
Microspheres
Molecules
Composite materials
2004

Controlling surface nano-structure using flow-limited field-injection electrostatic spraying (FFESS) of poly(D,L-lactide-co-glycolide)

Berkland, C., Pack, D. W. & Kim, K., Nov 1 2004, In : Biomaterials. 25, 25, p. 5649-5658 10 p.

Research output: Contribution to journalArticle

Flow structure
Spraying
Static Electricity
Vapor Pressure
Electrostatics

Low-temperature growth of highly crystalline (Ba, Sr)TiO3 films by CLCB method

Rang, H., Park, S., Kim, K., Sung, M. Y. & Choi, H., Dec 1 2004, In : Electrochemical and Solid-State Letters. 7, 12, 4.

Research output: Contribution to journalArticle

Growth temperature
Crystalline materials
Barium strontium titanate
Liquids
liquids

Microsphere size, precipitation kinetics and drug distribution control drug release from biodegradable polyanhydride microspheres

Berkland, C., Kipper, M. J., Narasimhan, B., Kim, K. & Pack, D. W., Jan 8 2004, In : Journal of Controlled Release. 94, 1, p. 129-141 13 p.

Research output: Contribution to journalArticle

Polyanhydrides
Drug and Narcotic Control
Microspheres
Polymers
Pharmaceutical Preparations

SrTiO3 thin films deposited by CLCB in combination with sol-gel processing

Kang, H., Park, S., Kim, K., Sung, M. Y. & Choi, H., Dec 17 2004, In : Electrochemical and Solid-State Letters. 7, 11

Research output: Contribution to journalArticle

Sol-gels
gels
Thin films
Liquids
liquids

Three-month, zero-order piroxicam release from monodispersed double-walled microspheres of controlled shell thickness

Berkland, C., Cox, A., Kim, K. & Pack, D. W., Sep 15 2004, In : Journal of Biomedical Materials Research - Part A. 70, 4, p. 576-584 9 p.

Research output: Contribution to journalArticle

Piroxicam
Microspheres
Drug delivery
Pharmaceutical Preparations
Particle size

Uniform double-walled polymer microspheres of controllable shell thickness

Berkland, C., Pollauf, E., Pack, D. W. & Kim, K., Apr 16 2004, In : Journal of Controlled Release. 96, 1, p. 101-111 11 p.

Research output: Contribution to journalArticle

Microspheres
Polymers
Technology
2003

PLG microsphere size controls drug release rate through several competing factors

Berkland, C., Kim, K. & Pack, D. W., Jul 1 2003, In : Pharmaceutical Research. 20, 7, p. 1055-1062 8 p.

Research output: Contribution to journalArticle

Microspheres
Pharmaceutical Preparations
Polymers
Degradation
Piroxicam