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  1. Schmidt, M. and Northrup, M. A., A Cost-Effective Instrument for Accurate Trace Element Analysis,  Amer. Lab.,  Feb., 1986, 125-134.   

  2. Northrup, A., Computer-Aided Chemistry: Effective Management of Chemical Information, Bio/technology, 5 (5), 1987, 455-459. 

  3. Northrup, M. A., Stanker, L., Vanderlaan, M., and Watkins, B., Development and Characterization of a Fiber Optic Immuno-Biosensor, In Spectroscopy of Inorganic Bioactivators, T. Theophanides (Ed.), Kluwer Academic, Norwell, 1989, 229-241.

  4. Northrup, M. A., Langry, K., and Angel, S. M., Stability Studies of a pH-Sensitive Polymer Matrix: Applications to Fiber Optic pH Sensors, Proceedings of SPIE Conference on Optical Fibers in Medicine V, vol. 1201, 1990, 368-374. 

  5. Northrup, M. A., Kulp, T.J., and Angel, S.M., Fluorescent Particle Imaging Velocimetry: Applications to Porous Media Flow, Applied Optics, vol. 30, 1991, 3034-3040. 

  6. Northrup, M. A., Kulp, T.J., Angel, S.M., and Pinder, G.F., Determination of Velocity Vectors in Porous Media WithFluorescent Particle Image Velocimetry (FPIV), In Convective Heat and Mass Transfer in Porous Media. S. Kakac, B. Kilkis, F. Kulacki, and F. Arinc (Eds.), Kluwer Academic Pub., Dordrecht, The Netherlands, 1991, 867-881. 

  7. Northrup, M.A., Kulp, T.J., and Angel, S.M., Application of Fluorescent Particle Imaging to Measuring Flow in Complex Media, Analytica Chimica Acta, vol. 255, no. 2, 1991, 275-282. 

  8. Northrup, M.A., Kulp, T.J., Angel, S.M. and G.F. Pinder, Direct Measurement of Interstitial Velocity Field Variations in a Porous Medium using Fluorescent-Particle Image Velocimetry, Chemical Engineering Science, vol. 48, no. 1, 1993, 13-21. 

  9. Angel, S.M. and Northrup, M.A., Stability of a Fiber Optic pH Sensor at 100°F. Electric Power Research Institute (EPRI), Report TR-101972, 1993. 

  10. Northrup, M.A., Ching, M.T., White, R.M., and Watson, R.T., DNA Amplification in a Microfabricated Reaction Chamber, In Transducers ‘93, Seventh International Conference on Solid State Sensors and Actuators, IEEE Proceedings, Yokohama, Japan, 1993, 924-927. 

  11. Lee A.P., Hong K., Trevino, J., Northrup, M.A. Thin Film Conductive Polymer for Microactuator and Micromuscle Applications., Annual Meeting of the American Society of Mechanical Engineers (ASME), Chicago, Nov. 1994. 

  12. Krulevitch, P., Ramsey, P.B., Makoweicki, D.M., Lee, A.P., Johnson, G.C., and Northrup,  M.A., Mixed Sputter Deposition of Ni-TI-Cu Shape Memory Films, in Proceedings of  SMST-94, First International Conference on Shape Memory and Superelasticity, A.R. Pelton, D. Hodgson, and T. Duerig (Eds.), Nitinol Development Corp., Fremont, CA. 1995.  

  13. Krulevitch, P., Ramsey, P.B., Makoweicki, D.M., Lee, A.P., Johnson, G.C., and Northrup, M.A., Mixed Sputter Deposition of Ni-TI-Cu Shape Memory Films, Thin Solid Films, vol. 274, 1996, 101-105.  

  14. Northrup, M.A., Hills, R.F., Landre, P., Lehew, Hadley, D., Watson, R. A MEMS-based DNA Analysis System., Transducers ‘95, Eighth International Conference on Solid State Sensors and Actuators, IEEE Proceedings, Stockholm, Sweden, June, 1995, 764-767.  

  15. Hsueh, Y-T., Smith, R.L., and Northrup, M.A., A Microfabricated Electrochemiluminescence Cell for the Detection of Amplified DNA, Transducers ‘95, Eighth International Conference on Solid State Sensors and Actuators, IEEE Proceedings, Stockholm, Sweden, June 1995, 768-771.  

  16. Lee, A.P., Ciarlo, D.R., Krulevitch, P.A., Lehew, S., Trevino, J., and Northrup, M.A.,  A Practical Microgripper by Fine Alignment, Eutectic Bonding, and SMA Actuation, Transducers ‘95, Eighth International Conference on Solid State Sensors and Actuators, IEEE, Stockholm, Sweden, June, 1995, 368-371. 

  17. Lee, A.P., Ciarlo, D.R., Krulevitch, P.A., Lehew, S., Trevino, J., and Northrup, M.A.,  A Practical Microgripper by Fine Alignment, Eutectic Bonding, and SMA Actuation,  Sensors and Actuators A.SNA 054/1-3, 1996), 755-759.  

  18. Lee A.P., Lehew, S., Yu, C., Ciarlo, D.R., and Northrup, M.A. Selective Au-Si Eutectic Bonding for Si-Based MEMS Applications, Third International Symposium on Semiconductor Wafer Bonding, Meeting of Electrochemical Society, Reno, NV, May, 1995, 518-527. 

  19. P. Krulevitch, A.P. Lee, P.B. Ramsey, J. Trevino, J. Hamilton, and M.A. Northrup, Thin Film Shape Memory Alloy Microactuators, Journal of Micro Electro-Mechanical Systems, vol. 5 (4), 1996. 

  20. Hsueh, Y-T., Smith, R.L., and Northrup, M.A., A Microfabricated Electrochemiluminescence Cell for the Detection of Amplified DNA, Sensors and Actuators, B33, 1996, 110-114 

  21. Woolley,  A.T. ,  Hadley, D. , Landre,  P.,  deMello, A.J., Mathies,  R.A.  and  Northrup, M.A., Functional Integration of PCR Amplification and Capillary Electrophoresis in a Microfabricated DNA Analysis Device.  Anal. Chem., 68, 1996, 4081-86.   

  22. Northrup, M.A., Beeman, B.,  R.F., Hadley, D., Landre, P., Lehew, S.  Integrated  Miniature DNA-based Analytical Instrument . In Anal. Methods and Instrumentation, Special Issue on MicroTAS, H. M. Widmer (ed) c/o Ciba Geigy, Basel, Nov. 1996, 153-157.  

  23. M. A. Northrup,  B. Beeman, D. Hadley,  P. Landre, S. Lehew, Development of a Micromachined Chemical Reaction Chamber:  Application to the Polymerase Chain Reaction,”  in Automation Technologies for Genome Characterization, edited by T. J. Beugelsdijk, J Wiley & Sons, New York, NY, 1997. Chapter 9.  

  24. Belgrader, P., Smith, J.K., Weedn, V.W., and Northrup, M.A., The Application of a Portable, Miniature Thermal Cycler for Human Identification., Journal of  Forensic Science,43(3), 1998, 315-119. 

  25. Ibrahim, M.S., Lofts, R.S., Henchal, E.A., Jahrling, P., Weedn, V.W., Northrup, M.A., and Belgrader, P. Real-time Microchip PCR for Detecting Single-Base Differences in Viral and Human DNA, Anal. Chem., 70(9), 1998, 2013-2017.  

  26. M. A. Northrup, D. Hadley, P. Landre, S. Lehew, J. Richards, and P. Stratton., A Miniature DNA-based Analytical Instrument Based on Micromachined Silicon Reaction Chambers, Analytical Chemistry, 70, (5) 1998,  918-922 

  27. Petersen, K.E., McMillan, W.A., G.T.A. Kovacs, M.A. Northrup, L.A. Christal, and F. Pourahmadi, “Toward the Next Generation Clinical Diagnostic Instruments:  Scaling and New Processing Paradigms” Biomedical Microdevices, (Kluwar Academic) Vol. 1 no. 1, 1998, 71-80.  

  28. Christel, L.A., Petersen, K., McMillan, W., Northrup, M.A. Rapid, Automated Nucleic Acid Probe Assays Using Silicon Microstructures for Nucleic Acid Concentration, Journal of Biomechanical Engineering, Vol. 211, 1998 22-27. 

  29. Petersen, K., McMillan, W.A., Kovacs, G.A., Northrup, M.A., Christel, L., and Pourahmadi, The Promise of Miniaturized Clinical Diagnostic Systems”, IVD Technology, 4(4), 43-49, 1998. 

  30. Northrup, M.A., Christel, L., McMillan, W.A., Petersen, K., Pourahmadi, F., Western. L., and Young, S. “A New Generation of PCR Instruments and Nucleic Acid Concentration Systems” in PCR Applications, Protocols for Functional Genomics, Innis, M.A.,. et al (Eds), Academic, San Diego, Chapter 8. 1998. 

  31. Belgrader, P., Hansford, D., Kovacs, G.T.A., Kudomidi, V., Mariella, R. P., Milanovich, F., Nasarabadi, S., Okuzumi, M., and Northrup, M.A., A Minisonicator to Rapidly Disrupt Bacterial Spores for DNA Analysis, Analytical Chemistry, Vol. 17, (19) 4232-4236.  1999. 

  32. Belgrader, P. Okuzumi, M., Pourahmadi, F., Borkholder, D.A., and Northrup, M.A., A Microfluidic Cartridge to Prepare Spores for PCR Analysis, Biosensors and Bioelectronics, Vol. 14, 849-852, 2000.  

  33. Belgrader, P., Benett, W., Hadley, D., Mariella, R.P., Northrup, M.A., Richards, J., Stratton, P., and Milanovich., F. Development of Battery-powered, Portable Instrumentation for Rapid DNA Analysis,. in Integrated Microfabricated Device Technologies, Heller and Guttman (Eds.), Marcel Dekker , in Press.   

  34. Pourahmadi F, Taylor M, Kovacs G, Lloyd K, Sakai S, Schafer T, Helton B, Western L, Zaner S, Ching J, McMillan B, Belgrader P, Northrup MA. Toward a rapid, integrated, and fully automated DNA diagnostic assay for Chlamydia trachomatis and Neisseria gonorrhoeae. Clin Chem. 46(9):1511-3. 2000. 

  35. Taylor, M.T., Belgrader, P. Furman, B.J., Pourahmadi, F., Kovacs, G.T.A., and  M Northrup,  M.A. Lysing Bacterial Spores by Sonication Through a Flexible Interface in a Microfluidic System, Analytical Chemistry, vol. 73, ( 3), 492-496, 2001.  

  36. Belgrader, P., Young, S., Yuan, B., Primeau, M., Christel, L.A.,  Pourahmadi, F., and Northrup, M.A., A Battery-Powered Notebook Thermal Cycler for Rapid Multiplex RealTime PCR Analysis. Analytical Chemistry, vol. 73, (2), 286-289, 2001.  

  37. Raisi, F., Belgrader, P., Borkholder, D.A., Herr, A.E., Kintz, G.J., Pourhamadi, F., Taylor, M.T., and Northrup, M..A. (2001) Microchip Isoelectric Focusing Using a Miniature Scanning Detection System.  Electrophoresis, 22:2291-2295. 

  38. Taylor, M.T., Belgrader, P. Joshi, R., Kintz, G.A. and Northrup, MA.  (2001) Fully Automated Sample Preparation for Pathogen Detection Performed in a Microfluidic Cassette. In Micro Total Analysis Systems 2001 (eds. A. Van den Berg et. al), Kluwer Academic Publishers. Netherlands, 2001. 

  39. Taylor, M.T., Raisi, F., Belgrader, P., Pourahmadi, F., Herr, A.E., Kintz, G.A., and Northrup, M.A. (2001) Microfluidic Bioanalysis Cartridge with Interchangeable Microchannel Separation Components. Transducers ‘01 Eurosensors XV, Munich, 1214-1217. 

  40. Northrup, M.A., Pourahmadi, F., Brounstein, K., Velasco, J., Yuan, B., and Belgrader, P. Autonomous, Continuously Operating Pathogen Detection System, In Micro Total Analysis Systems 2003 (eds. A. Van den Berg et. al), Kluwer Academic Publishers. Netherlands (2003) 

  41. M. Sanchez, L. Probst, E. Blazevic, B. Nakao, M. A. Northrup.  The microfluidic bioagent autonomous networked detector (M-BAND): an update. Fully integrated, automated, and networked field identification of airborne pathogens. SPIE Proceedings Volume 81, October 2011

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