Derek J. Hansford

The Ohio State University

293 Bevis Hall, 1080 Carmack Rd., Columbus, OH 43210

Nanotech West Laboratory, 1381 Kinnear Rd., Ste. 100, Columbus, OH 43212

(614) 688 – 3449

Education

Ph.D. in Materials Science and Mineral Engineering

University of California, Berkeley, May 1999

Dissertation: Microfabrication Materials for Biomedical Microdevices

M.S. in Materials Science and Mineral Engineering

University of California, Berkeley, Dec. 1996

Thesis: Biocompatible Silicon Wafer Bonding for Biomedical Microdevices

B.S. in Materials Science and Engineering, Magna cum laude

Case Western Reserve University, May 1994

Academic Appointments

The Ohio State UniversityColumbus, OH

Associate Professor2007 – present

Assistant Professor1999 – 2007

Biomedical Engineering (99-present)

Materials Science and Engineering (99-present)

The OSU Nanotech West (Ohio MicroMD) LaboratoryColumbus, OH

Scientific Advisor BoardAug. 2000 – present

Chief Scientist, MicrofabricationApr. 2002 – present

Interim DirectorJune 2004 – Sept. 2005

Other Professional Experience

UC BerkeleyBerkeley, CA

Head Graduate Student InstructorAug. 1997 - May 1998

Electrical Eng and Computer Sci 143: Processing and Design of Integrated Circuits

Ran the lab section, including re-working of lab manual and implementation of new protocols that enabled properly functioning NMOS devices. Duties included teaching of laboratory sections, supervising other TAs, providing a grading scheme for lab reports, grading lab reports, and writing lab manual sections. Also performed emergency re-work of protocols to enable fabrication without fully functioning wetbenches.

UC BerkeleyBerkeley, CA

Graduate Student ResearcherJune 1995 – May 1999

Materials Science and Mineral Engineering

Performed research on novel materials fabrication for biomedical microdevices, including novel polymers for biocompatible silicon wafer bonding and structural materials for thin film nanoporous membranes.

CepheidSunnyvale, CA

Engineering Intern, EngineerJune 1998 – Dec. 1998

Performed research and design on an ultrasonic spore lysing system for B. anthracis detection in a microfluidic platform, which is now used in governmental and military applications for field analysis of air samples. Also performed design of microfluidic cartridges and valving systems for simplified flow patterns.

NASA Lewis Research CenterBrookpark, OH

Research AssistantJune 1994 - Aug. 1994

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.

Case Western Reserve UniversityCleveland, OH

Research AssistantJune 1991 – May 1994

Electrical Engineering and Applied Physics, Materials Science and Engineering

Performed research on operational dynamics of electrostatic micromotors. Studied the tribology of silicon micromotors according to the operational parameters, using both electrostatic and pneumatic actuation. Assisted graduate students with materials characterization and electron microscopy. Assisted graduate students on research, including operation of micromotors in dielectric fluids.

Research Funding

  • USDA/Nat. Inst. Food & Ag., “Enhanced stability and targeted delivery of microencapsulated anthocyanins for improved food quality and human health,” ($500k total) PI: Kaletunc, Co-PIs: Hansford, Giusti, Failla, 12/15/11 – 12/14/15.
  • NSF NSEC fellowship, “CANPBD: Nanopumps and microfluidics for controlled chemical release and cellular labeling,” (PI: L. James Lee, Hansford subaward of $520k for fellowship), 9/1/04-8/31/14
  • AFOSR MURI ($5,250,000, P.I.—Ken Sandhage original PI, transferred to Hansford for administrative reasons) “Genetically Engineered Microdevices (GEMs) with Tailored 3-D Shapes, Nanoscale Features, and Chemistries”, Co-P.I.s: Kenneth Sandhage (GaTech), A. Terrence Conlisk (OSU ME), Robert Rapp (OSU MSE), Morley Stone (AFRL), Rajesh Naik (AFRL), Brian Palenik (UCSD), and Mark Hildebrand (Scripps Institute) 8/1/03-1/31/10
  • NSF IGERT fellowship, “Polymer MEMS for cell force measurement,” (P.I.: L. James Lee, Hansford subaward of $92,500 for N. Ferrell fellowship), 12/1/03-11/30/08
  • NSF Connection One Center (supported by Raytheon, $105k), “3D printing on high contrast composites,” (PI: Volakis, sub-award to Hansford), 10/1/05-9/31/08
  • MacAuley-Brown, Inc. (subcontract from AFOSR, $45 for Hansford portion), “Structurally integrated reconfigurable antennas on BAT UAV & design of conformal antenna system for small UAVs,” (Roberto Rojas, P.I.) 7/1/07-6/30/08
  • BerrieHill Research Corp. (subcontract from AFOSR SBIR, $33k), “Improved radio frequency (RF) polymer substrates for antennas,” (P.I.: Kubilay Sertel, Co-PIs: Hansford and Volakis), 7/1/07-12/31/07
  • NIH R44 sub-award ($150,000, P.I.), “Polymer nanochannels for high throughput drug screening” portion of “Label-Free High-Throughput Screening Platform,” awarded to Biopraxis, Inc. (San Diego, CA), 6/1/06-5/31/07
  • OSU Office of Research Large Interdisciplinary Grant Development Program ($125,000, P.I.), “Engineered nanostructures for next generation clinical chemistry,” Co-P.I.s: Michael Bissell, A. Terrence Conlisk, Sherwin Singer, 10/1/04 – 9/30/06
  • Colciencias (Colombian Science Ministry) ($88,000 US) “Potential Applications of Portland cement as a load bearing bone substitute materials, Phase II: Development of Bioactive bone substitutes, based on modified Portland cement porous structures”, P.I.: Daniel Gallego-Perez (School of Engineering of Antioquía (EIA), Medellín, Colombia; The Ohio State University), Co-PIs: Derek J. Hansford and Ernesto Lopez (School of Health Sciences (CES), Medellín, Colombia)
  • “NIRT: Robust Manufacturing Protocol for Particulate-like Nanoporous Micro-devices (NMDs) for Biomedical and Biochemical Applications” (L. James Lee, P.I., $750,000), Co-P.I.s: Derek J. Hansford, James Rathman, C. H. Menq, L. S. Fan, 9/1/03-8/31/06
  • Ohio MicroMD MicroGrant program ($46,500, P.I.), “Fabrication of surface micro-electrode array to monitor the human brain”, Co-P.I.s: David Q. Beversdorf and Joseph Kitzmiller, 5/1/03-4/30/04
  • DARPA BAA 00-011 SymBioSys ($900,000, P.I.) “Experimental and Theoretical Development of Bio-Fluid Transport Models through Nano- and Micro-fluidic Components”, Co-P.I.s: A. Terrence Conlisk, Michael Bissell, Shuvo Roy (Cleveland Clinic), Aaron Fleischman (CCF), 7/1/00-6/30/03
  • DARPA BAA 00-011 SymBioSys ($796,000, A. Terrence Conlisk P.I. Co-P.I.) “Bio-Fluid Transport Models”, Co-P.I.s: Derek J. Hansford, Minami Yoda (GaTech), J. Michael Ramsey (Oak Ridge NL), 1/1/02-6/30/03
  • “Micro-fabricated Natural Killer Cells for the Detection and Treatment of Metastatic Tumors”, NCI Unconventional Innovations Program, ($2,100,000 overall award, Frank Martin, P.I., $200,000 subcontract from iMEDD, Inc. (Co-P.I.)), 7/17/01-12/31/02
  • “Ohio MicroMD: The Ohio BioMEMS Consortium on Medical Therapeutic Microdevices”, Hayes Investment Fund (Ohio Board of Regents) ($2,100,000 of equipment, Co-P.I.)
  • American Cancer Society 2000 Institutional Research Grant ($15,000, P.I.) “Nanopore-based Treatment of EBV Associated PTLD”, 11/1/00-10/31/01
  • OSU University Seed Grant ($26,000 plus Tuition and Fees for GRA, P.I.) “Investigation of Evaporated Titanium as a Sacrificial Layer for Polymer Micromachining”, 12/15/99-12/14/00
Research Interests

Polymer microfabrication, MEMS, tool development for the investigation of individual cells and cell clusters, biomedical microdevices, nanochannels for biomolecular manipulation, organic electronics, micro/ nanofluidic clinical chemistry assay development, microdevice assembly techniques, biofluid dynamics in micro/ nanofluidics, biocompatibility, biomaterials, tissue/cell/material interactions, tissue engineering scaffold materials, interfacial electrochemistry, design of microdevices for measurement of biological parameters

Publications (names in bold are myself or my students, *indicates equal authorship)

Book Chapters

1.A Peláez-Vargas, D Gallego-Pérez, N Higuita-Castro, A Carvalho, L Grenho, JA Arismendi, MH Fernandes, MP Ferraz, DJ Hansford, FJ Monteiro. “Micropatterned coatings for guided tissue regeneration in dental implantology.” in Cell Interaction, S Gowder, Ed., InTech, Chap. 11, pp. 273-302. 2012.

2.A Peláez-Vargas*, D Gallego-Pérez*, D Gomez, MH Fernandes, D Hansford, FJ Monteiro. Propagation of Human Bone Marrow Stem Cells for Craniofacial Applications. In: Stem Cells and Cancer Stem Cells (Vol. 7): Therapeutic Applications in Disease and Injury. Edited by M. A. Hayat. Springer. Chap. 10, pp. 107-122. 2012.

3.M Ferrari, D Friend, D Hansford, SS Kulkarni, F Martin. “Medical therapy: The next frontier of biochip and biomedical nanotechnology.” in Biochips: Technology and Applications. W-L Xing and J Cheng, Eds. Springer, ISBN:3540004238, pp. 11-34, 2003.

4.D Hansford, T Desai, and M Ferrari. “Nano-scale size-based biomolecular separation technology.” in Biochip Technologies. L. Kricka and J. Cheng, Eds. Harwood Academic Publishers, GmbH, pp. 341-362, 2001.

Journal Articles

5.D Gallego-Perez*, L Chang*, J Shi, J Ma, SH Kim, X Zhao, V Malkoc, X Wang, M Minata, KJ Kwak, Y Wu, G Lafyatis, W Lu, DJ Hansford, I Nakano, LJ Lee, “On-chip clonal analysis of glioma stem cells motility and therapy resistance.”Nano Letters, 2016.

6.A Carvalho, A Pelaez-Vargas, DJ Hansford, MH Fernandes, FJ Monteiro, “Effects of line and pillar array microengineered SiO2 thin films on the osteogenic differentiation of human bone marrow-derived mesenchymal stem cells,” Langmuir, 32(4): 1091-1100, 2016.

7.V Malkoc, D Gallego-Perez, T Nelson, JJ Lannutti, DJ Hansford, “Controlled neuronal cell patterning and guided neurite growth on micropatterned nanofiber platforms,” Journal of Micromechanics and Microengineering, 25: 125001 (11pp), 2015.

8.M Gomez-Aranzadi, S Arana, M Mujika, DJ Hansford, “Integrated microstructures to improve surface-sample interaction in planar biosensors,” IEEE Sensors Journal,15(2):1216-1223,2015.

9.N Higuita-Castro, C Mihai, DJ Hansford, S Ghadiali, “Influence of airway wall compliance on epithelial cell injury and adhesion during interfacial flows,” Jo Applied Physiology, 17(11):1231-1242, 2014.

10.A Benevente-Babace, D Gallego-Pérez, DJ Hansford, S Arana, E Pérez-Lorenzo, M Mujika, “Single-cell trapping and selective treatment via co-flow within a microfluidic platform,” Biosensors and Bioelectronics, 61: 298-305, 2014.

11.M Laranjeira, A Carvalho, A Pelaez-Vargas, DJ Hansford, MP Ferraz, S Coimbra, E Costa, A Santos-Silva, MH Fernandes, FJ Monteiro, “Modulation of human dermal microvascularendothelial cell and human gingivalfibroblast behavior by micropatterned silicacoating surfaces for zirconia dental implantapplications,” Sci. Technol. Adv. Mater. 15: 025001 (11pp), 2014.

12.Y Min, Y Yang, Y Poojari, Y Liu, JC Wu, DJ Hansford, AJ Epstein, "Sulfonated polyaniline-based organic electrodes for controlled electrical stimulation of human osteosarcoma cells,"Biomacromolecules, 14(6): 1727-31, 2013.

13.B Dinan, D Gallego-Perez, H Lee, DJ Hansford, SA Akbar,“Thermally grown TiO2 nanowires for improving cell growth and proliferation on titanium based materials,”Ceramics International, 39(5): 5949-54, 2013.

14.A Peláez-Vargas*, D Gallego-Perez*, A Carvalho,MH Fernandes,DJ Hansford, FJ Monteiro, “Effects of density of anisotropic micro-stamped silica thin films on guided bone tissue regeneration – In vitro study,” Jo Biomed Matls Res B, 101B(5):762-69, 2013.

15.Z Fei, Y Wu, S Sharma, D Gallego-Perez, N Higuita-Castro, DJ Hansford, JJ Lannutti, LJ Lee, “Gene delivery to cultured embryonic stem cells using nanofiber-based sandwich electroporation,” Analytical Chemistry,85: 1401-1407, 2013.

16.N Higuita-Castro, D Gallego-Perez, K Love, MR Sands, G Kaletunc, DJ Hansford, “Soft Lithography-based fabrication of biopolymer microparticles for nutrient microencapsulation,” Industrial Biotechnology, 8:365-71, 2012.

17.A Carvalho, A Peláez-Vargas, D Gallego-Perez, L Grenho, MH Fernandes, AH De Aza, MP Ferraz, DJ Hansford, FJ Monteiro, "Micropatterned silica thin films with nanohydroxyapatite micro-aggregates for guided tissue regeneration,"Dental Materials, 28(12): 1250-1260, 2012.

18.D Gallego-Perez, N Higuita-Castro, L Denning, J DeJesus, K Dahl, A Sarkar, DJ Hansford, “Microfabricated mimics of in vivo structural cues for the study of guided tumor cell migration,” Lab on a Chip, 12: 4424-4432, 2012.

19.D Gallego-Perez, N Higuita-Castro, RK Reen, M Palacio-Ochoa, S Sharma, LJ Lee, JJ Lannutti, DJ Hansford, KJ Gooch, “Micro/nanoscale technologies for the development of hormone-expressing islet-like cell clusters,” Biomedical Microdevices, 14(4):779-789, 2012.

20.N Higuita-Castro, D Gallego-Perez, A Pelaez-Vargas, F García Quiroz, OM Posada, LE López, CA Sarassa, P Agudelo-Florez, FJ Monteiro, AS Litsky, DJ Hansford, “Reinforced Portland cement porous scaffolds for load- bearing bone tissue engineering applications,” Jo Biomed Matls Res B, 100B(2): 501-507, 2012.

21.N Ferrell, J Woodard, DJ Hansford, “Measurement of cell forces using a microfabricated polymer cantilever sensor,” Sensors and Actuators A, 170(1-2): 84-89, 2011.

22.HM Borteh, NJ Ferrell, RT Butler, SV Olesik, DJ Hansford, “Peptide-induced patterning of gold nanoparticle thin films,” Applied Surface Science, 258(1): 230-235, 2011.

23.D Gallego-Perez, N Higuita-Castro, F García Quiroz, OM Posada, LE López, AS Litsky, DJ Hansford, “Portland cement for bone tissue engineering: effects of processing and metakaolin blends,” Jo Biomed Matls Res B, 98B(2): 308-315, 2011.

24.Y Yang, YG Min, JC Wu, DJ Hansford, SE Feinberg, AJ Epstein, “Synthesis and characterization of cytocompatible sulfonated polyanilines,” Macromol Rap Comm, 32(12): 887-892, 2011.

25.A Peláez-Vargas, D Gallego-Perez, M Magallanes, MH Fernandes, DJ Hansford, A de Aza-Helena, P Pena Castro, FJ Monteiro, “Isotropic micropatterned silica coatings on zirconia induce guided cell growth for dental implants,” Dental Materials, 27(6): 581-589, 2011.

26.A Peláez-Vargas, D Gallego-Perez, N Ferrell,MH Hernandes, DJ Hansford, FJ Monteiro, “Early spreading and propagation of human bone marrow stem cells on isotropic and anisotropic topographies of silica thin films produced via microstamping,” Microscopy and Microanalysis, 16(6): 670-6, 2010.

27.D Gallego-Perez, N Ferrell, N Higuita-Castro, DJ Hansford, “Versatile methods for the fabrication of polyvinylidene fluoride microstructures,” Biomedical Microdevices, 12(6): 1009-1017, 2010.

28.N Ferrell, Y Yang, DJ Hansford, “Micropatterning of sulfonated polyaniline using a soft lithography based lift-off process,” Microsystems Technologies, 16(11): 1951-56, 2010.

29.S Sabbani, D Gallego, A Nagy, WJ Waldman, DJ Hansford, PK Dutta, “Synthesis of micropatterned silver-zeolite films and its application as an antimicrobial substrate,” Microporous & Mesoporous Materials, 135(1-3): 131-136, 2010.

30.F García, D Gallego, N Higuita, OM Posada, C Sarassa, DJ Hansford, P Agudelo, LE López, “Housekeeping gene stability influences the quantification of osteogenic markers during stem cell differentiation to the osteogenic lineage,” Cytotechnology, 62(2):109-120, 2010.

31.D Gallego-Perez, N Higuita-Castro, S Sharma, RK Reen, AF Palmer, KJ Gooch, LJ Lee, JJ Lannutti, DJ Hansford, “High throughput assembly of spatially controlled 3D cell clusters on a micro/nano platform,” Lab on a Chip, 10: 775 – 782, 2010.

32.N Ferrell, D Gallego, N Higuita, RT Butler, R Reen, KJ Gooch, DJ Hansford, “Vacuum assisted cell seeding in a microwell cell culture system,” Analytical Chemistry, 82(6): 2380-2386, 2010.

33.J Xian, M Dapino, D Gallego-Perez, DJ Hansford, “Microphone based on Polyvinylidene Fluoride (PVDF) micro-pillars and patterned electrodes,” Sens. & Act. A: Phys, 153: 24-32, 2009.

*in ScienceDirect “Top 25 Hottest Articles” for journal April-June 2009.

34.S Schwann, N Ferrell, DJ Hansford, U Spohn, A Heilmann, “Measurement of mechanical forces generated by plant P-protein aggregates (forisomes),” Europ Biophys Jo, 38(4): 533-536, April, 2009.

35.*A Pelaez-Vargas, N Ferrell, MH Fernandes, DJ Hansford, and FJ Monteiro, “Cells spreading on micro-fabricated silica thin film coatings,” Microscopy and Microanalysis, 15 (Suppl. 3): 77-78, 2009.

36.R Butler, N Ferrell, R Naik, DJ Hansford, “Soft-lithography-mediated microscale patterning of silica on diverse substrates,” Journal of Materials Research, 24(5):1632-38, 2009.

37.A Pelaez-Vargas, N Ferrell, MH Fernandes, DJ Hansford, FJ Monteiro, “Cellular alignment induction during early in vitro culture stages using micropatterned glass coatings produced by sol-gel process,” Key Engineering Materials, 396-398: 303-306, 2009.

38.A Bednarski Spiwak, A Horbal, R Leatherbury, DJ Hansford, “Extracorporeal tubing in the roller pump raceway: Physical changes and particulate generation,” Jo Extracorp Tech, 40(3):188-92, 2008.

39.D Gallego-Perez, N Higuita-Castro, F Garcia, N Ferrell, and DJ Hansford, “Bioactivecoatings on Portlandcement substrates:Surface precipitation of Apatite-like crystals,” Materials Science and Engineering C, 28: 353-358, 2008.

40.D Gallego-Perez, N Ferrell, Y Sun, and DJ Hansford, “Multilayer micromolding of degradable polymer tissue engineering scaffolds,” Materials Science and Engineering C, 28: 347-352, 2008.

41.N Ferrell, J Woodard, and DJ Hansford, “Fabrication of polymer microstructures for MEMS: Sacrificial Layer Micromolding (SLaM) and Patterned Substrate Micromolding (PSM),” Biomedical Microdevices, 9: 815-821, 2007.

42.M Palacio, B Bhushan, N Ferrell, and DJ Hansford, “Adhesion properties of polymer/silicon interfaces for biological micro-/nanoelectromechanical systems applications,”Jo Vac Sci Tech A, 25(4): 1275-84, 2007.

43.J Kitzmiller, DJ Hansford, L Fortin, K Obrietan, V Bergdall, and D Beversdorf, “Micro-field evoked potentials recorded from the porcine sub-dural cortical surface utilizing a micro-electrode array,” Jo Neuroscience Methods, 162(1-2): 155-161, 2007.

44.N Ferrell and DJ Hansford, “Fabrication of micro- and nanoscale polymer structures by soft lithography spin dewetting,” Macromolecules Rapid Communications, 28(8): 966-971, 2007.

45.M Palacio, B Bhushan, N Ferrell, and D Hansford, “Nanomechanical characterization of polymer beam structures for BioMEMS applications,” Sensors and Actuators A, 135(2): 637-650, 2007.

46.J Guan, LJ Lee, and DJ Hansford, “Fabrication of particulate-like polymer microstructures for drug delivery by soft lithography,” Small, 3 (3): 412-418, 2007.

47.J Guan, N Ferrell, B Yu, DJ Hansford, and LJ Lee, “Simultaneous fabrication of hybrid arrays of nanowires and micro/nanoparticles by dewetting on micropillars,” Soft Matter, 3(11): 1369-1371, 2007. *cover image*

48.S Koulouridis, G Kiziltas, Y Zhou, D Hansford, and J Volakis, “Polymer-ceramic composites for microwave applications: Fabrication and performance assessment,” IEEE Trans. Microwave Theory and Techniques, 54 (12): 4202-4208, 2007.

49.R Butler, N Ferrell, and DJ Hansford, “Spatial and geometrical control of silicification using a patterned poly-L-lysine template”, Applied Surface Science, 252: 7337-7342, 2006.

50.J Guan, N Ferrell, LJ Lee, and DJ Hansford, “Fabrication of polymeric microparticles for drug delivery by soft lithography,” Biomaterials, 27: 4034-4041, 2006.

51.B Bhushan, DJ Hansford, and KK Lee, “Surface modification of silicon and PDMS surfaces with vapor phase deposited ultrathin fluorosilane films for biomedical nanodevices,” Journal of Vacuum Science and Technology A, 24:4, pp. 1197-1202, July/Aug. 2006.

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

53.J Guan, H He, DJ Hansford, and LJ Lee, “Self-folding of three-dimensional hydrogel microstructures,” Journal of Physical Chemistry B: Condensed Matter, Materials Surfaces, Interfaces, and Biophysics, 109:49, pp. 23134-7, Dec. 15, 2005.

54.J Guan, A Chakrapani, and DJ Hansford, “Polymer microparticles fabricated by soft lithography,” Chemistry of Materials, 17:25, pp. 6627-6629, 2005.

55.KK Lee, B Bhushan, and DJ Hansford, “Vapor phase deposition of fluoropolymers and fluorosilanes for nanochannel applications,” Journal of Vacuum Science and Technology A, 23:4, pp. 804-810, July/August 2005.

56.G Wei, B Bhushan, N Ferrell, and DJ Hansford, “Nanomechanical characterization of materials for Polymer MEMS applications,” Journal of Vacuum Science and Technology A, 23:4, pp. 811-819, July/August 2005.

57.Z Zheng, DJ Hansford, and AT Conlisk, “Effect of multivalent ions on electroosmotic flow in micro and nanochannels,” Electrophoresis, Vol. 24, No. 17, pp. 3006-3017, 2003.

58.AT Conlisk, J McFerran, Z Zheng, and D Hansford, “Mass transfer and flow in electrically charged micro- and nanochannels,” Analytical Chemistry, Vol. 74 (9), pp.2139-50, 2002.

59.T Desai, D Hansford, L Leoni, M Essenpreis, and M Ferrari, “Nanoporous anti-fouling silicon membranes for implantable biosensor applications,” Biosensors and Bioelectronics, Vol. 15 (9-10), pp. 453-462, 2000.

60.TA Desai, DJ Hansford, and M Ferrari, “Micromachined interfaces: new approaches in cell immunoisolation and biomolecular separation,” Biomolecular Eng., Vol. 17 (1), 23-26, 2000.

61.TA Desai, DJ Hansford, L Kulinsky, AJ Nashat, G Rasi, JK Tu, Y Wang, M Zhang, and M Ferrari, "Nanopore technology for biomedical applications," Biomedical Microdevices, Vol. 2(1), 11-40, 2000.

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

63.P Belgrader, D Hansford, GTA Kovacs, K Venkateswaren, F Milanovich, S Nasarabadi, R Mariella, M Okuzumi, F Pourahmadi, and MA Northrup. A minisonicator to rapidly disrupt bacterial spores. Analytical Chemistry, Vol. 71 (19). pp. 4232-4236, 1999.

Patents and patent applications

64.M Essenpreis, TA Desai, M Ferrari, and DJ Hansford, “Implantable Analyte Sensor,” U.S. Patent US6,405,066, June 11, 2002.

65.J Guan, DJ Hansford, and LJ Lee, “Self-Folding Polymer Microparticles,” U.S. Patent US7,364,675, April 29, 2008.

66.DJ Hansford, RJ Walzcak, AA Boiarski, AT Conlisk, “Nanopump Devices and Methods,” U.S. Patent No. 7,799,197, September 21, 2010.

67.AJ Epstein, SE Feinberg, DJ Hansford, Y Yang, “Electrical stimulation of cell and tissue growth with two- and three-dimensionally patterned electrodes,” US Patent No. 8,478,422, July 2, 2013.

68.DJ Hansford, J Schley, D Gallego-Perez, “Femto-pumps: System for parallel, micro-localized, controlled delivery of femtoliters of chemistry,” US Patent filed Sept. 27, 2013.

Regional Journal Articles

69.DJ Hansford, “Microfabricated nanochannels: new tools for molecular motion control,” Revista Ingeniería Biomédica, 3(5):95-100, 2009.

70.GF Quiroz, OM Posada, D Gallego, N Higuita, C Sarassa, DJ Hansford, P Agudelo-Florez, LE López, “Isolation of human bone marrow mesenchymal stem cells and evaluation of their osteogenic potential. Revista Ingeniería Biomédica, 2(3):48–55, 2008.

71.N Higuita-Castro, DJ Hansford, “Mechanical characterization of cells and tissues at the micro scale,” Revista Ingeniería Biomédica, 2(3): 56-64, 2008.

72.D Gallego-Perez, LE Lopez, DJ Hansford, J Klemas, “El cemento portland y su potencial uso en ingeniería de tejido óseo. Fase I: estudios de biocompatibilidad-efectos del hidróxido de calico”translation:“Potential applications of portand cement on bone tissue engineering. Phase I: biocompatibility studies – calcium hydroxide effects,” Revista Ingeniería Biomédica, 1(3): 21-30, 2006.

73.D Gallego-Perez, DJ Hansford, “Engineering materials surfaces by microfabrication techniques to regulate in vitro cell functions: A review,” Revista Ingeniería Biomédica, 2(3): 56-64, 2005.