OSU:pro

Current OSU Appointments

Associate Professor, Biomedical Engineering

Associate Professor, Materials Science Engineering

Abstracts

G Wei, B Bhushan, N Ferrell, and DJ Hansford. 2004. "Microfabrication and nanomechanical characterisation of polymer MEMS for biological applications." Abstract. Amer Vac Soc 51st Intn'l Symp.

KK Lee, B Bhushan, and DJ Hansford. 2004. "Nanotribological characterization of perfluoropolymer thin films for BioMEMS applications." Abstract. Amer Vac Soc 51st Intn'l Symp. Anaheim, California.

N Ferrell, J Woodard, and DJ Hansford. 2007. "A polymer MEMS sensor for measuring single cell forces." Abstract. Biomed. Eng. Soc. Annual Meeting.

N Ferrell, R Butler, D Gallego, N Higuita, and DJ Hansford. 2007. "Microfabricated membranes for isolation and morphological control of cells." Abstract. Biomed. Eng. Soc. Annual Meeting.

N Higuita, D Gallego, F Garcia, OM Posada, LE Lopez, AS Litsky, DJ Hansford. 2007. "Portland cement-metakaolin blends as novel biomaterials for application in load-bearing tissue engineering." Abstract. Biomed. Eng. Soc. Annual Meeting. [Peer Reviewed]

Chapters In Books

D Hansford, T Desai, M Ferrari. 2001. "Nano-scale size-based biomolecular separation technology". In Biochip Technologies. Edited by L. Kricka and J. Cheng. N/A: Harwood Academic Publishers. 341-362.

Degrees

1994	B.S., Case Western Reserve University, Engineering

1996	M.S.Mech.Eng., University of California, Berkeley

1999	Ph.D., University of California, Berkeley

Editorial Activities

Journal Reviewer

Small.

Inventions and Patents

M. Essenpreis, T. Desai, M. Ferrari, and D. Hansford, Patent filing June 11, 2002. Implantable Analyte Sensor. U.S. Patent US6,405,066.

Papers in Proceedings

DJ Hansford, D Gallego, D Patiño, D Calderón, N Ferrell, A Chakrapani. 2003. "Microfabricación y evaluación in vitro de scaffolds en PLGA?ácido poli (DL-lactico-co-glicolico): Microfabrication and in vitro evaluation of PLGA scaffolds." In: 1st Colombian Congress of Bioengineering and Biomedical Engineering. October 15Medellin, Colombia.

Y Sun, N Ferrell, and DJ Hansford. 2004. "Use of soft lithography for Multi-layer MicroMolding (MMM) of 3-D PCL scaffolds for tissue engineering." In: Matls Res Soc Proc.

N Ferrell, J Woodard, and DJ Hansford. 2004. "Fabrication of Polymer MEMS for Biological Applications." In: BioMEMS & Biomed Nanotech 2004 Conf. August 17Washington D.C.

N Ferrell, J Woodard, and DJ Hansford. 2004. "Fabrication of a Polymer MEMS Sensor for Measuring Single Cell Biomechanics." In: Proc IASTED Internat'l Conf Biomech. August 23Honolulu, HI.

1. H He, J Guan, DJ Hansford, and LJ Lee. 2005. "Hydrogel-based multifunctional delivery devices for oral protein administration." In: ACS Polymer Materials: Science and Engineering. (92): 28.

J Woodard, N Ferrell, and DJ Hansford. 2005. "Design, fabrication, and optimization of a polymer MEMS sensor measuring single cell mechanics." In: Proc. IASTED Internat'l Conf Biomed Eng. February 25Innsbruck, Austria.

D Gallego, J Klemas, E Lopez, DJ Hansford. 2005. "Biocompatibility studies on Portland Cement substrates: Potential Bone Tissue Engineering Applications." In: II Symposium about Biofactories, Biotechnology advances in Colombia. MarchMedellin, Colombia.

DA Grewell, A Benatar, DA Ditmer, and DJ Hansford. 2005. "Beam shaping with diffractive optics for laser micro-welding of plastics." In: Proc. Precision Micro/Nano Scale Polymer Based Component and Device Fabrication. April 18ASPE Spring Topical Meeting, Columbus, OH.

NJ Ferrell, J Woodard, and DJ Hansford. 2005. "Fabrication of suspended polymer microstructures using sacrificial layer micromolding and patterned substrate micromolding." In: Proc. Precision Micro/Nano Scale Polymer Based Component and Device Fabrication. April 18ASPE Spring Topical Meeting, Columbus, OH.

DJ Hansford. 2005. "Polymer MEMS devices for homeland security sensing applications." In: Working Together: R&D Partnerships in Homeland Security. April 27Dept. Homeland Sec. Sci. & Tech. Dir, Boston, MA. [Editor Reviewed]

J Volakis, K Kurabayashi, and DJ Hansford. 2005. "Miniature autonomous and wireless sensors based on nano-optofluidic microsystems for toxic gas detection." In: Working Together: R&D Partnerships in Homeland Security (Dept. Homeland Sec. Sci. & Tech. Dir. April 27Boston, MA.

1. D Gallego, LE Lopez, DJ Hansford, J Klemas. 2005. "Bone Tissue Engineering applications of Portland Cement Phase I: Biocompatibility studies ? Effects of Calcium Hydroxide." In: Third International Materials Congress. SeptemberCartagena, Colombia.

1. D Gallego, N Higuita, F Garcia, DJ Hansford. 2005. "Biocompatibility improvement of Portland Cement through the introduction of pozzolanic materials: Effects of metakaolin on the cytotoxicity." In: Colombian Congress of Bioengineering and Biomedical Engineering, Bogotá, Colombia. SeptemberBogota, Colombia.

1. D Gallego, N Higuita, F Garcia, DJ Hansford, E Lopez. 2005. "Fabrication of Portland Cement porous scaffolds: Potential applications as load bearing bone substitutes." In: Colombian Congress of Bioengineering and Biomedical Engineering,. SeptemberBogota, Colombia.

N Ferrell, J Woodard, and DJ Hansford. 2005. "Polymer MEMS sensors for measuring single cell biomechanics." In: Proc. 1st Internat'l Conf. Mech. of Biomat'ls & Tissues. December 11Waikoloa, Hawaii.

A Chakrapani, N Ferrell, DJ Hansford. 2006. "Fabrication of Biodegradable Polymer Microdevices for Controlled Drug Delivery Systems." In: Particles 2006: Medical/Biochemical Diagnostic, Pharmaceutical, and Drug Delivery Applications of Particle Technology. May 13Orlando, Florida.

SV Olesik, J Shearer, M Umaedi, N Ferrell, and DJ Hansford. 2006. "Selective carbon microfabricated liquid chromatographic devices for separation of biomolecules." In: HPLC Symposium 2006. JuneSan Francisco, California.

H Borteh, N Ferrell, R Butler, SV Olesik, DJ Hansford. 2006. "Deposition of gold nanoparticles over silicon-based substrates patterned with peptides." In: 232nd ACS National Meeting. September 10San Francisco, California.

D Gallego-Perez, N Ferrell, Y Sun, DJ Hansford. 2006. "Microfabrication of degradable polymer tissue engineering scaffolds." In: Symposium on Advanced Processing of Biomaterials. October 16Materials Science and Technology 2006, Cincinnati, OH.

D Gallego-Perez, N Higuita-Castro, F Garcia, N Ferrell, DJ Hansford. 2006. "Bioactive coatings on Portland cement: Surface precipitation of apatite-like crystals." In: Symposium on Advanced Processing of Biomaterials. October 16Materials Science and Technology 2006, Cincinnati, OH.

D Gallego-Perez, N Ferrell, DJ Hansford. 2007. "Fabrication of piezoelectric Polyvinylidene Fluoride (PVDF) microstructures by soft lithography for tissue engineering and cell biology applications." In: MRS Spring Meeting 2007. April 11San Francisco, California.

H Borteh, N Ferrell, R Butler, and DJ Hansford. 2007. "Electroless deposition of gold nanoparticles over silicon-based substrates." In: MRS Spring Meeting 2007. April 11San Francisco, California.

R Butler, N Ferrell, R Naik, DJ Hansford. 2007. "Controlled silica deposition on soft-lithography fabricated poly-L-lysine templates." In: MRS Spring Meeting 2007. April 11San Francisco, California. [Editor Reviewed]

N Ferrell, A Bross, DJ Hansford. 2007. "Micro/nanofabrication by spin dewetting on a poly (dimethylsiloxane) mold." In: MRS Spring Meeting 2007. April 12San Francisco, California.

AJ Spiwak, C Sopkovich, T Preston, G Agarwal, DJ Hansford. 2007. "A visualization of extracorporeal technology by atomic force microscopy to appreciate surface characteristics for blood and tissue interactions." In: Amer Soc Extracorp Tech. April 25Atlanta, Georgia.

AJ Spiwak, S Warron, S Sullivan, C Sopkovich, DJ Hansford. 2007. "Effect of pump operation on temperature change and weight change of a new tubing product for peristaltic pump operation." In: Amer Soc Extracorp Tech. April 25Atlanta, Georgia.

DJ Hansford and KH Sandhage. 2007. "Novel polymer-ceramic composites for conformable RF applications." In: IEEE International Symposium on Antennas and Propagation. June 10Honolulu, Hawaii.

E Apaydin, DJ Hansford, S Koulouridis, J Volakis. 2007. "Integrated RF circuits design and packaging in high contrast ceramic-polymer composites." In: IEEE International Symposium on Antennas and Propagation. June 10Honolulu, Hawaii.

I Tzanidis, CC Chen, D Hansford, and JL Volakis. 2007. "Spiral antenna miniaturization using variable magnetic material loading." In: URSI 2007. July 22Ottawa, Canada.

DJ Hansford. 2007. "Polymer-Ceramic Electro-Magnetic Composites for RF/Microwave Antennas and Circuits." In: Composites at Lake Louise. October 30Lake Louise, Canada.

N Higuita, D Gallego, F Garcia, LE Lopez, C Sarassa, P Agudelo, AS Litsky, DJ Hansford. 2007. "Development of polydimethylsiloxane-reinforced Portland cement porous scaffolds for load-bearing bone tissue engineering applications." In: Int. Conf. Mech. of Biomaterials and Tissues. December 13

Peer Reviewed Journal Articles

Belgrader, P; Hansford, D; Kovacs, G, T; Venkateswaran, K; Mariella, R Jr; Milanovich, F; Nasarabadi, S; Okuzumi, M; Pourahmadi, F; Northrup, M A. 1999. A minisonicator to rapidly disrupt bacterial spores for DNA analysis. Analytical chemistry. Vol. 71, no. 19: 4232-6.

P Belgrader, D Hansford, GTA Kovacs, K Venkateswaren, F Milanovich, S Nasarabadi, R Mariella, M Okuzumi, F Pourahmadi, and MA Northrup. 1999. A minisonicator to rapidly disrupt bacterial spores. Analytical Chemistry. Vol. 71, no. 19: 4232-4236.

T Desai, D Hansford, and M Ferrari. 1999. Characterization of Micromachined Membranes for Immunoisolation and Bioseparation Applications. Jo. Membrane Sci.. Vol. 4132: 1-11.

Desai, T, A; Hansford, D, J; Ferrari, M. 2000. Micromachined interfaces: new approaches in cell immunoisolation and biomolecular separation. Biomolecular engineering. Vol. 17, no. 1: 23-36.

Desai, T, A; Hansford, D, J; Leoni, L; Essenpreis, M; Ferrari, M. 2000. Nanoporous anti-fouling silicon membranes for biosensor applications. Biosensors & bioelectronics. Vol. 15, no. 9-10: 453-62.

T Desai, D Hansford, L Leoni, M Essenpreis, and M Ferrari. 2000. Nanoporous anti-fouling silicon membranes for implantable biosensor applications. Biosensors and Bioelectronics. Vol. 15, no. 9-10: 453-462.

T Desai, DJ Hansford, L Kulinsky, AJ Nashat, G Rasi, JK Tu, Y Wang, M Zhang, and M Ferrari. 2000. Nanopore technology for biomedical applications. Biomedical Microdevices. Vol. 2, no. 1: 11-40.

TA Desai, DJ Hansford, and M Ferrari. 2000. Micromachined interfaces: new approaches in cell immunoisolation and biomolecular separation. Biomolecular Eng.. Vol. 17, no. 1: 23-26.

AT Conlisk, J McFerran, Z Zheng, and D Hansford. 2002. Mass transfer and flow in electrically charged micro- and nanochannels. Analytical Chemistry. Vol. 74, no. 9: 2139-2150.

Z Zheng, DJ Hansford, and AT Conlisk. 2003. Effect of multivalent ions on electroosmotic flow in micro and nanochannels. Electrophoresis. Vol. 24, no. 17: 3006-3017.

Zheng, Zhi; Hansford, Derek, J; Conlisk, Albert T. 2003. Effect of multivalent ions on electroosmotic flow in micro- and nanochannels. Electrophoresis. Vol. 24, no. 17: 3006-17.

J Guan, A Chakrapani, and DJ Hansford. 2005. Polymer microparticles fabricated by soft lithography. Chemistry of Materials. Vol. 25, no. 17: 6627-6629.

G Wei, B Bhushan, N Ferrell, and DJ Hansford. 2005. Nanomechanical characterization of materials for Polymer MEMS applications. Journal of Vacuum Science and Technology A. Vol. 4, no. 23. (July): 811-819.

KK Lee, B Bhushan, and DJ Hansford. 2005. Vapor phase deposition of fluoropolymers and fluorosilanes for nanochannel applications. Journal of Vacuum Science and Technology A. Vol. 4, no. 23. (July): 804-810.

J Guan, H He, DJ Hansford, and LJ Lee. 2005. Self-folding of three-dimensional hydrogel microstructures. Journal of Physical Chemistry B: Condensed Matter, Materials Surfaces, Interfaces, and Biophysics. Vol. 49, no. 109. (December 15): 23134-23137.

Guan, Jingjiao; Ferrell, Nicholas; James Lee, L; Hansford, Derek J. 2006. Fabrication of polymeric microparticles for drug delivery by soft lithography. Biomaterials. Vol. 27, no. 21: 4034-41.

J Guan, N Ferrell, LJ Lee, and DJ Hansford. 2006. Fabrication of polymeric microparticles for drug delivery by soft lithography. Biomaterials, no. 27: 4034-4041.

J Kitzmiller, DQ Beversdorf, and DJ Hansford. 2006. Microfabrication of microelectrode arrays for neural column potentiometry. Biomedical Microdevices. Vol. 8: 81-85.

Kitzmiller, Joseph; Beversdorf, David; Hansford, Derek. 2006. Fabrication and testing of microelectrodes for small-field cortical surface recordings. Biomedical microdevices. Vol. 8, no. 1: 81-5.

R Butler, N Ferrell, and DJ Hansford. 2006. Spatial and geometrical control of silicification using a patterned poly-L-lysine template. Applied Surface Science, no. 252: 7337-7342.

B Bhushan, DJ Hansford, and KK Lee. 2006. Surface modification of silicon and PDMS surfaces with vapor phase deposited ultrathin fluorosilane films for biomedical nanodevices. Journal of Vacuum Science and Technology A. Vol. 4, no. 24. (July): 1197-1202.

Guan, Jingjiao; He, Hongyan; Lee, L James; Hansford, Derek J. 2007. Fabrication of particulate reservoir-containing, capsulelike, and self-folding polymer microstructures for drug delivery. Small (Weinheim an der Bergstrasse, Germany). Vol. 3, no. 3: 412-8.

J Guan, LJ Lee, and DJ Hansford. 2007. Fabrication of particulate-like polymer microstructures for drug delivery by soft lithography. Small. Vol. 3, no. 3: 412-418.

J Guan, N Ferrell, B Yu, DJ Hansford, and LJ Lee. 2007. Simultaneous fabrication of hybrid arrays of nanowires and micro/nanoparticles by dewetting on micropillars. Soft Matter. Vol. 3, no. 11: 1369-1371.

J Kitzmiller, DJ Hansford, L Fortin, K Obrietan, V Bergdall, and D Beversdorf. 2007. Micro-field evoked potentials recorded from the porcine sub-dural cortical surface utilizing a micro-electrode array. Jo Neuroscience Methods. Vol. 162: 155-161.

M Palacio, B Bhushan, N Ferrell, and DJ Hansford. 2007. Adhesion properties of polymer/silicon interfaces for biological micro/nanoelectromechanical systems applications. Jo Vac Sci Tech A. Vol. 25, no. 4: 1275-1284.

M Palacio, B Bhushan, N Ferrell, and DJ Hansford. 2007. Nanomechanical characterization of polymer beam structures for BioMEMS applications. Sensors and Actuators A, no. 135: 637-650.

N Ferrell and DJ Hansford. 2007. Micro and nanoscale fabrication of polymer structures by soft lithography spin dewetting. Macromolecules Rapid Communications. Vol. 28: 966-971.

S Koulouridis, G Kiziltas, Y Zhou, D Hansford, and J Volakis. 2007. Polymer-ceramic composites for microwave applications: Fabrication and performance assessment. IEEE Trans. Microwave Theory and Techniques. Vol. 12, no. 54: 4202-4208.

D Gallego, N Ferrell, Y Sun and DJ Hansford. 2007. Multilayer micromolding of degradable polymer tissue engineering scaffolds. Materials Science and Engineering C. Vol. 28. (April 14): 347-352.

D Gallego, N Higuita, F Garcia, N Ferrell, and DJ Hansford. 2007. Bioactive coatings on Portland cement substrates: Surface precipitation of Apatite-like crystals. Materials Science and Engineering C. Vol. 28. (April 14): 253-358.

N Ferrell, J Wooddard, and DJ Hansford. 2007. Fabrication of polymer microstructures for MEMS: Sacrificial Layer Micromolding (SLaM) and Patterned Substrate Micromolding (PSM). Biomedical Microdevices. Vol. 9. (June 13): 815-821.

Positions

1991 - present

Research Assistant, Case Western Reserve University, Electrical Engineering and Applied Physics, Materials Science and Engineering. Cleveland, OH, United States.

1994	Research Assistant; Performed materials characterization on carbon fiber-reinforced ceramic composites. Performed heat treatments, mechanical testing of bulk specimens, and microscopic testing of fiber-matrix interfacial characteristics, NASA Lewis Research Center. Brookpark, OH.

1995 - present

Graduate Student Researcher, University Of California, Materials Science and Mineral Engineering. Berkeley, CA, United States.

1997 - present

Head Graduate Instructor, University Of California, Electrical Engineering and Computer Science. Berkeley, CA, United States.

1999 - 2008

Assistant Professor, The Ohio State University, College of Engineering, Materials Science and Engineering. Columbus, OH, United States.

1999 - 2008

Assistant Professor, The Ohio State University, College of Engineering, Materials Science and Engineering. Columbus, OH, United States.

1999 - present

Senior Consultant, The Ohio State University College of Pharmacy, Nanotech West (Ohio MicroMD) Laboratory, Microtechnology. Columbus, OH, United States.

2000 - 2008

Assistant Professor, The Ohio State University, Biological Sciences and Mathematical & Physical Sciences, Biophysics. Columbus, OH, United States.

2002 - 2008

Chief Scientist, The Ohio State University College of Pharmacy, Nanotech West (Ohio MicroMD) Laboratory, Microfabrication. Columbus, OH, United States.

2002 - 2008

Scientific Advisor Board, The Ohio State University College of Pharmacy, Nanotech West (Ohio MicroMD) Laboratory. Columbus, OH, United States.

2004 - present

Interim Director, The Ohio State University College of Pharmacy, Nanotech West (Ohio MicroMD) Laboratory. Columbus, OH, United States.

Potential Publications Under Review

A Chakrapani, DJ Hansford. "Use of Laser Scanning Cytometry (LSC) for quantitative measurement of biocompatibility of thin films". Cytometry. (Forthcoming)

K Grady, B Stonerock, DJ Hansford, J Riley, and A Spiwak. "Roller pump fatigue in coated vs. non-coated tubing". Jo Extra Corpeal Tech. (Forthcoming)

R Butler, N Ferrell, R Naik, and DJ Hansford. "Soft lithography mediated patterning of silica on diverse substrates". Advanced Materials. (Forthcoming)

Y Yang, A Epstein, and DJ Hansford. "Synthesis and characterization of biocompatible sulfonated polyanilines". Biomacromolecules. (Forthcoming)

Professional Activities

Field Work

06/01/1998 - 12/31/1998

Engineering Intern, Engineer. Performed research and design on an ultrasonic spore lysing system for B. anthracis detection in a microfluidic platform, which is currently being used in military applications for field analysis of air samples. Sunnyvale, California.

Undergrad., Grad. and Prof. Courses Taught

The Ohio State University, Biomedical Engineering. Introduction to Biomedical Engineering BME 500.

The Ohio State University, Biomedical Engineering. Biomedical Microdevices BME 762 (694).

The Ohio State University, Biomedical Engineering. Practical aspects of polymer microfabrication BME 793A.

The Ohio State University, Biomedical Engineering. Introduction to Micro- and Nanofluidics BME 763.

The Ohio State University, Biomedical Engineering. Soft Tissue Biomaterials BME 732.

The Ohio State University, Biomedical Engineering. Biomedical Engineering Seminar Series BME 881.

The Ohio State University, Biomedical Engineering. Biological Transport BME 721.

The Ohio State University,

Autumn 2004. The Ohio State University, Biomedical Engineering. Fundamentals of Biomaterials BME 631. 3 credit hours