Publications


2020
Microfluidic Impedance Biosensor Chip with DNA-Based Self-Assembled Monolayers for Label-Free Detection of Cardiac Biomarker Troponin I.
Alsabbagh, K.; Hornung, T.; Voigt, A.; Sadir, S.; Rajabi, T.; Länge, K.
2020. 1st International Electronic Conference on Biosensors (2020), Online, November 2–17, 2020 
Microfluidic Impedance Biosensor Chip with DNA-Based Self-Assembled Monolayers for Label-Free Detection of Cardiac Biomarker Troponin I.
Alsabbagh, K.; Hornung, T.; Voigt, A.; Sadir, S.; Rajabi, T.; Länge, K.
2020. Proceedings, 60 (1), 38. doi:10.3390/IECB2020-07033 Full textFull text of the publication as PDF document 
2018
Microwave Assisted Pyrolysis as a Simple Method for Biochar Production from Waste Orange Peel.
Londona-Larrea, P.; Cabrera, E. V.; Alvarez, B. R.; Länge, K.; Lopez, G.; Diaz, M.; Rosero, M.; Stahl, U.
2018, November 24. KIT Research Alumni Conference “Renewable Energies – a German Chilean Cooperation” (2018), Santiago, Chile, November 23–24, 2018 
Flexible urea sensor fabfication by localized laser - induced pyrolysis of Kapton.
Mamleyev, E.; Nordin, N.; Heissler, S.; Nefedov, A.; Weidler, P.; Kudryashov, V.; Länge, K.; MacKinnon, N.; Sharma, S.
2018. CarbonMEMS: New Horizon (2018), Hyderabad, India, December 5–7, 2018 Full textFull text of the publication as PDF document 
Flexible Carbon-based Urea Sensor by Laser Induced Carbonisation of Polyimide.
Mamleyev, E. R.; Nordin, N.; Heissler, S.; Länge, K.; MacKinnon, N.; Sharma, S.
2018. International Flexible Electronics Technology Conference (IFETC), Ottawa, ON, Canada, 7-9 August 2018, Art.Nr. 8583942, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/IFETC.2018.8583942 
Long-term capability of polymer-coated surface transverse wave sensors for distinguishing vapors of similar hydrocarbons.
Stahl, U.; Voigt, A.; Dirschka, M.; Barié, N.; Richter, C.; Waldbaur, A.; Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2018. Sensors and actuators <Lausanne> / B, 274, 560–564. doi:10.1016/j.snb.2018.08.013 
2017
Akustische Gas- und Biosensoren für die Lebensmittelanalytik.
Rapp, M.; Gruhl, F. J.; Länge, K.
2017. 4.Fachsymposium ’Neue Technologien, intelligente Sensorik/Analytik, vernetzte Sensorsysteme und neue Anwendungsfelder’, Karlsruhe, 22.Nvember 2017. Tagungsbericht. Hrsg.: H.B. Keller, 16–18 
Akustische Gas- und Biosensoren für die Lebensmittelanalytik.
Rapp, M.; Gruhl, F. J.; Länge, K.
2017. 4.Fachsymposium ’Neue Technologien, intelligente Sensorik/Analytik, vernetzte Sensorsysteme und neue Anwendungsfelder’, Karlsruhe, 22.Nvember 2017 
Long-Term Stability of Polymer-Coated Surface Transverse Wave Sensors for the Detection of Organic Solvent Vapors.
Stahl, U.; Voigt, A.; Dirschka, M.; Barié, N.; Richter, C.; Waldbaur, A.; Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2017. Sensors, 17 (11), Art.Nr. 2529. doi:10.3390/s17112529 Full textFull text of the publication as PDF document 
Akustische Biosensoren - Möglichkeiten für die Lebensmittelanalytik.
Länge, K.
2017. 8. Symposium: Schnellmethoden und Automatisierung in der Lebensmittelmikrobiologie. Lemgo, 20.-21. Juni 2017 
Surface Modification Procedure for Biosensor Chips Made of Chemically Sensitive Polymers.
Heinemeyer, C.; van der Loh, M.; Wagner, M.-N.; Länge, K.
2017. Procedia Technology, 27, 165–166. doi:10.1016/j.protcy.2017.04.072 Full textFull text of the publication as PDF document 
Polymer Structures on Surface Acoustic Wave Biosensors.
Ritter, F.; Hedrich, J.; Deck, M.; Ludwig, F.; Shakirov, D.; Rapp, B. E.; Länge, K.
2017. Procedia Technology, 27, 35–36. doi:10.1016/j.protcy.2017.04.017 Full textFull text of the publication as PDF document 
2016
Surface Acoustic Wave (SAW) Biosensors and their Integration with microfluidics towards a flexible array based biosensor system.
Gruhl, F. J.; Rapp, B., E.; Länge, K.; Voigt, A.; Rapp, M.
2016. 3rd World Congress of the Digital Olfaction Society (DOS), Tokyo, J, December 7-8, 2016 
Polymer structures on surface acoustic wave biosensors.
Ritter, F.; Hedrich, J.; Deck, M.; Ludwig, F.; Shakirov, D.; Rapp, B. E.; Länge, K.
2016. 26th Anniversary World Congress on Biosensors, Göteborg, S, May 25-27, 2016 
Surface modification procedure for biosensor chips made of chemically sensitive polymers.
Heinemeyer, C.; van der Loh, M.; Wagner, M. N.; Länge, K.
2016. 26th Anniversary World Congress on Biosensors, Göteborg, S, May 25-27, 2016 
Tacky cyclic olefin copolymer: a biocompatible bonding technique for the fabrication of microfluidic channels in COC.
Keller, N.; Nargang, T. M.; Runck, M.; Kotz, F.; Striegel, A.; Sachsenheimer, K.; Klemm, D.; Länge, K.; Worgull, M.; Richter, C.; Helmer, D.; Rapp, B. E.
2016. Lab on a chip, 16 (9), 1561–1564. doi:10.1039/C5LC01498K Full textFull text of the publication as PDF document 
Localized protein immobilization on microstructured polymeric surfaces for diagnostic applications.
Steidle, N. E.; Hahn, T.; Bader, C.; Ahrens, R.; Rapp, B. E.; Guber, A. E.; Länge, K.
2016. Microfluidics and nanofluidics, 20 (2), 1–11. doi:10.1007/s10404-015-1696-8 
2015
Polysiloxane layers created by sol-gel and photochemistry: Ideal surfaces for rapid, low-cost and high-strength bonding of epoxy components to polydimethylsiloxane.
Wilhelm, E.; Deshpande, K.; Kotz, F.; Schild, D.; Keller, N.; Heissler, S.; Sachsenheimer, K.; Länge, K.; Neumann, C.; Rapp, B. E.
2015. Lab on a Chip, 15 (7), 1772–1782. doi:10.1039/c4lc01440e Full textFull text of the publication as PDF document 
Biosensors based on surface acoustic wave resonators.
Länge, K.
2015. 7th International Workshop on Novel Developments and Applications in Sensor and Actuator Technology, Coburg, September 16-17, 2015 
Acoustic biosensors coated with phosphorylcholine groups for label-free detection of human C-Reactive Protein in serum.
Pomowski, A.; Baricham, C.; Rapp, B. E.; Matern, A.; Länge, K.
2015. IEEE sensors journal, 15 (8), 4388–4392. doi:10.1109/JSEN.2015.2419278 
Surface Acoustic Wave (SAW) Resonators for Monitoring Conditioning Film Formation.
Hohmann, S.; Kögel, S.; Brunner, Y.; Schmieg, B.; Ewald, C.; Kirschhöfer, F.; Brenner-Weiß, G.; Länge, K.
2015. Sensors, 15 (5), 11873–11888. doi:10.3390/s150511873 Full textFull text of the publication as PDF document 
2014
Surface acoustic wave (SAW) biosensors and their integration in flexible array based biosensor system.
Gruhl, F. J.; Rapp, B. E.; Länge, K.; Voigt, A.; Rapp, M.
2014. Surface Acoustic Wave Sensor Symposium, Wien, A, October 30-31, 2014 
Surface acoustic wave (SAW) biosensors and their integration in flexible array based biosensor system.
Gruhl, F. J.; Rapp, B. E.; Länge, K.; Voigt, A.; Rapp, M.
2014. Surface Acoustic Wave Sensor Symposium, Wien, A, October 30-31, 2014, CTR Carinthian Tech Research AG 
UV-light structures silanization for selective bonding and fabrication of paper-based microfluidic channels.
Wilhelm, E.; Neumann, C.; Sachsenheimer, K.; Länge, K.; Rapp, B. E.
2014. 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2014), San Antonio, Tex., October 26-30, 2014 
UV-light structures silanization for selective bonding and fabrication of paper-based microfluidic channels.
Wilhelm, E.; Neumann, C.; Sachsenheimer, K.; Länge, K.; Rapp, B. E.
2014. 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2014), San Antonio, TX, October 26-30, 2014, 1784–1786, Chemical and Biological Microsystems Society (CBMS) 
Rapid bonding of polydimethylsiloxane (PDMS) to various stereolithographically (STL) structurable epoxy resins using photochemically cross-linked intermediary siloxane layers.
Wilhelm, E.; Neumann, C.; Sachsenheimer, K.; Länge, K.; Rapp, B. E.
2014. Microfluidics, BioMEMS, and Medical Microsystems XII : Proceedings of Photonics West, San Francisco, Calif., February 2-4, 2014. Ed.: B. L. Gray, Article-no 89760A, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2044661 
Surface acoustic wave (SAW) biosensor for rapid and label-free detection of penicillin G in milk.
Gruhl, F. J.; Länge, K.
2014. Food Analytical Methods, 7 (2), 430–437. doi:10.1007/s12161-013-9642-4 
Rapid bonding of polydimethylsiloxane (PDMS) to various stereolithographically (STL) structurable epoxy resins using photochemically cross-linked intermediary siloxane layers.
Wilhelm, E.; Neumann, C.; Sachsenheimer, K.; Länge, K.; Rapp, B. E.
2014. Microfluidics, BioMEMS, and Medical Microsystems XII, San Francisco, Calif., February 2-4, 2014 
2013
Rapid bonding of polydimethylsiloxane to stereolithographically manufactured epoxy components using a photogenerated intermediary layer.
Wilhelm, E.; Neumann, C.; Sachsenheimer, K.; Schmitt, T.; Länge, K.; Rapp, B. E.
2013. Lab on a Chip - Miniaturisation for Chemistry and Biology, 13 (12), 2268–2271. doi:10.1039/c3lc50341k 
Surface acoustic wave biosensors and their integration with microfluidics towards a flexible array based biosensor system.
Gruhl, F.; Rapp, B. E.; Länge, K.; Voigt, A.; Rapp, M.
2013. Acoustic Sensors in Analytical and Biophysical Studies, Heraklion, GR, August 29-30, 2013 
Biosensors for diagnostic applications.
Gruhl, F. J.; Rapp, B. E.; Länge, K.
2013. Seitz, H. [Hrsg.] Molecular Diagnostics Berlin [u.a.] : Springer, 2013 (Advances in Biochemical Engineering/Biotechnology ; 133), 115–148 
Surface acoustic wave (SAW) biosensors: coupling of sensing layers and measurement.
Länge, K.; Gruhl, F. J.; Rapp, M.
2013. Jenkins, G. [Hrsg.] Microfluidic Diagnostics : Methods and Protocols Totowa, N.J. : Humana Press, 2013 (Methods in Molecular Biology ; 949), 491–505 
2012
Revisiting lab-on-a-chip technology for drug discovery.
Neuzil, P.; Giselbrecht, S.; Länge, K.; Huang, T. J.; Manz, A.
2012. Nature reviews / Drug discovery, 11 (8), 620–632. doi:10.1038/nrd3799 
Deposition of ultrathin parylene C films in the range of 18 nm to 142 nm: Controlling the layer thickness and assessing the closeness of the deposited films.
Rapp, B. E.; Voigt, A.; Dirschka, M.; Länge, K.
2012. Thin Solid Films, 520 (15), 4884–4888. doi:10.1016/j.tsf.2012.03.035 
Biosensors for Diagnostic Applications.
Gruhl, F. J.; Rapp, B. E.; Länge, K.
2012. Molecular Diagnostics. Ed.: H. Seitz, 115–148, Springer Verlag. doi:10.1007/10_2011_130 
Surface modification of an acoustic biosensor allowing the detection of low concentrations of cancer markers.
Gruhl, F. J.; Länge, K.
2012. Analytical Biochemistry, 420 (2), 188–190. doi:10.1016/j.ab.2011.10.006 
Influence of surface preparation parameters on the signal response of an acoustic biosensor for the detection of a breast cancer marker.
Gruhl, F. J.; Länge, K.
2012. IEEE Sensors Journal, 12 (6), 1647–1648. doi:10.1109/JSEN.2011.2175722 
Microfluidics et al. - with a focus on parylene processing and applications.
Neumann, C.; Wilhelm, E.; Waldbaur, A.; Pires, L.; Sachsenheimer, K.; Nargang, T.; Dirschka, M.; Leuthold, J.; Länge, K.; Rapp, B. E.
2012. Vortr.: Firma Bosch, Stuttgart, 18.September 2012 
Biosensor development.
Länge, K.; Leuthold, J.; Guber, A.
2012. Trends and Technology : 2nd NanoSensEU Symp.on Biosensor Development, Diepenbeek, B, April 25, 2012 
PTFE-like/PDMS hybrids: synthesis of photocurable, highly chemically resistant polymers and their application in microfluidics.
Hannig, C.; Schild, D.; Dirschka, M.; Länge, K.; Rapp, B. E.
2012. 15th Internat. Conf.on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2011), Seattle, Wash., October 2-6, 2011. Ed. J. Landers, 1146–1148, Chemical and Biological Microsystems Society (CBMS) 
2011
Let there be chip - towards rapid prototyping of microfluidic devices: one-step manufacturing processes.
Waldbaur, A.; Rapp, H.; Länge, K.; Rapp, B. E.
2011. Analytical Methods, 3 (12), 2681–2716. doi:10.1039/C1AY05253E 
Design and integration of a generic disposable array-compatible sensor housing into an integrated disposable indirect microfluidic flow injection analysis system.
Rapp, B. E.; Schickling, B.; Prokop, J.; Piotter, V.; Rapp, M.; Länge, K.
2011. Biomedical Microdevices, 13 (5), 909–922. doi:10.1007/s10544-011-9560-4 
Surface acoustic wave biosensors - Anvantages and limitations.
Länge, K.; Leuthold, J.
2011. 3rd Internat.Workshop ’Novel Developments and Applications in Sensor Technology’, Coburg, September 14-16, 2011 Folien auf CD-ROM 
Detection of the antibiotic penicillin G with an acoustic biosensor.
Gruhl, F. J.; Länge, K.
2011. 2nd Internat.Conf.on Bio-Sensing Technology, Amsterdam, NL, October 10-12, 2011 Abstracts on CD-ROM 
PTFE-like/PDMS hybrids: synthesis of photocurable, highly chemically resistant polymers and their application in microfluidics.
Hannig, C.; Schild, D.; Dirschka, M.; Länge, K.; Rapp, B. E.
2011. 15th Internat.Conf.on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2011), Seattle, Wash., October 2-6, 2011 
Rapid prototyping of microfluidic structures from UV curable PTFE-like polymers: creating structures in maskless direct lithography and casting.
Waldbaur, A.; Dirschka, M.; Länge, K.; Rapp, B. E.
2011. 15th Internat.Conf.on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2011), Seattle, Wash., October 2-6, 2011 
Exploring alternatives: new ways to synthesis highly fluorinated polymers for use as resist or bulk material in microfluidics - PDMS and beyond.
Hannig, C.; Bolle, J.; Waldbaur, A.; Jochum, J.; Länge, K.; Dirschka, M.; Rapp, B. E.
2011. Gordon-Kenan Research Seminar Physics and Chemistry of Microfluidics, Waterville, N.H., June 25-26, 2011 
Phosphorylcholin-basierte Oberflächen zur Abschirmung unspezifischer Proteinadsorption und zum spezifischen Nachweis von C-reaktivem Protein (CRP).
Matern, A.; Gartner, C.; Keller, N.; Länge, K.
2011. 7.Deutsches BioSensor Symp., Heiligenstadt, 3.-6.April 2011 Book of Abstracts 
Label-free detection of low molecular weight analytes with an acoustic biosensor.
Gruhl, F. J.; Länge, K.
2011. 7.Deutsches BioSensor Symp., Heiligenstadt, 3.-6.April 2011 Book of Abstracts 
2010
Biosensor packaging - adaptation of the surface modification procedure.
Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2010. Procedia Engineering, 5, 363–366. doi:10.1016/j.proeng.2010.09.123 
Label-freedetection of breastcancermarker HER-2/neu with an acousticbiosensor.
Gruhl, F. J.; Rapp, M.; Länge, K.
2010. Procedia engineering, 5, 914–917 
Biosensors coated with sulfated polysaccharides for the detection of hepatocyte growth factor/scatter factor in cell culture medium.
Berger, M.; Welle, A.; Gottwald, E.; Rapp, M.; Länge, K.
2010. Biosensors and Bioelectronics, 26 (4), 1706–1709. doi:10.1016/j.bios.2010.07.065 
UV curable Teflon like polymers and their potential applications in microfluidics.
Hannig, C.; Bolle, J.; Dirschka, M.; Länge, K.; Rapp, B. E.
2010. Vortr.: Ecole Polytechnique Federal de Lausanne, Sensors, Actuators and Microsystems Laboratory, Neuchatel, CH, 2.Dezember 2010 
21/100/400-channel chemically inert, reversible parallel microfluidic connector as generic chip-to-world interface.
Rapp, B. E.; Duttenhofer, T.; Länge, K.
2010. 14th Internat.Conf.on Miniaturized Systems for Chemistry and Life Sciences (μTAS 2010), Groningen, NL, October 3-7, 2010 
Label-free detection of breast cancer marker HER2/neu with an acoustic biosensor.
Gruhl, F. J.; Rapp, M.; Länge, K.
2010. Procedia Engineering, 5, 914–17. doi:10.1016/j.proeng.2010.09.258 
Synthesis and application of photo curable perfluoropolyethers as new material for microfluidics.
Hannig, C.; Dirschka, M.; Länge, K.; Neumaier, S.; Rapp, B. E.
2010. Procedia Engineering, 5, 866–69. doi:10.1016/j.proeng.2010.09.246 
Biosensors with label-free detection designed for diagnostic applications.
Rapp, B. E.; Gruhl, F. J.; Länge, K.
2010. Analytical and Bioanalytical Chemistry, 398, 2403–12. doi:10.1007/s00216-010-3906-2 
Label-free detection of breast cancer marker HER2/neu with an acoustic biosensor.
Gruhl, F. J.; Rapp, M.; Länge, K.
2010. Eurosensors XXIV, Linz, A, September 5-8, 2010 Papers on CD-ROM Paper 3065 
Synthesis and application of photocurable perfluoropolyethers as new material for microfluidics.
Hannig, C.; Dirschka, M.; Länge, K.; Neumaier, S.; Rapp, B. E.
2010. Eurosensors XXIV, Linz, A, September 5-8, 2010 Papers on CD-ROM Paper 3106 
Biosensor packaging - adaptation of the surface modification procedure.
Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2010. Eurosensors XXIV, Linz, A, September 5-8, 2010 Papers on CD-ROM Paper 3170 
Synthesis and application of photocurable perfluoropolyethers as new material for microfluidics.
Hannig, C.; Dirschka, M.; Länge, K.; Neumaier, S.; Rapp, B. E.
2010. Eurosensors XXIV, Linz, A, September 5-8, 2010 Papers on CD-ROM Paper 3106 
Biosensor packaging - adaptation of the surface modification procedure.
Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2010. Eurosensors XXIV, Linz, A, September 5-8, 2010 Papers on CD-ROM Paper 3170 
Biosensors coated with sulfated polysaccharides for the detection of hepatocyte growth factor in cell culture medium.
Berger, M.; Welle, A.; Gottwald, E.; Rapp, M.; Länge, K.
2010. Biosensors 2010 : 20th Anniversary World Congress on Biosensors, Glasgow, GB, May 26-28, 2010 Abstract on CD-ROM 
Surface modification of acoustic biosensors for the detection of marker proteins for breast cancer.
Gruhl, F. J.; Rapp, M.; Länge, K.
2010. Biosensors 2010 : 20th Anniversary World Congress on Biosensors, Glasgow, GB, May 26-28, 2010 Abstract on CD-ROM 
An indirect diffusion free microfluidic flow injection analysis (FIA) system as fluidic platform for biosensor systems as demonstrated with an 8-fold surface acoustic wave (SAW) biosensor array system.
Rapp, B. E.; Rapp, M.; Länge, K.
2010. Internat.Conf.on Nanoscience and Nanotechnology (ICONN 2010), Sydney, AUS, February 22-26, 2010 
Connecting micro to macro fluidics: new concept for a disposable indirect microfluidic flow injection analysis (FIA) system.
Rapp, B. E.; Länge, K.; Rapp, M.; Saile, V.
2010. 61st Pittsburgh Conf.on Analytical Chemistry and Applied Spectroscopy (Pittcon 2010), Orlando, Fla., February 28 - March 5, 2010 
2009
Oberflächenmodifikation von SAW (Surface Acoustic Wave) Biosensorchips für biomedizinische Anwendungen.
Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2009. Gerlach, G. [Hrsg.] 9.Dresdner Sensor-Symp., Dresden, 7.-9.Dezember 2009 Dresden : TUDpress, 2009 (Dresdner Beiträge zur Sensorik ; 39) 
Sulfatierte Polysaccharide als alternative Sensorbeschichtung zum Nachweis von HGF (Gepatocyte Growth Factor) im Bioreaktor.
Berger, M.; Welle, A.; Gottwald, E.; Rapp, M.; Länge, K.
2009. Gerlach, G. [Hrsg.] 9.Dresdner Sensor-Symp., Dresden, 7.-9.Dezember 2009 Dresden : TUDpress, 2009 (Dresdner Beiträge zur Sensorik ; 39) 
Ein indirektes einwegtaugliches diffusionsfreies mikrofluidisches Fließinjektionsanalyse-System als Plattform für die Biotechnologie.
Rapp, B. E.; Länge, K.; Rapp, M.
2009. Gerlach, G. [Hrsg.] 9.Dresdner Sensor-Symp., Dresden, 7.-9.Dezember 2009 Dresden : TUDpress, 2009 (Dresdner Beiträge zur Sensorik ; 39) 
Ein indirektes einwegtaugliches diffusionsfreies mikrofluidisches Fließinjektionsanalyse-System als Plattform für die Biotechnologie.
Rapp, B. E.; Länge, K.; Rapp, M.
2009. Gerlach, G. [Hrsg.] 9.Dresdner Sensor-Symp., Dresden, 7.-9.Dezember 2009 Dresden : TUDpress, 2009 (Dresdner Beiträge zur Sensorik ; 39), 149–51 
Oberflächenmodifikation von SAW (Surface Acoustic Wave) Biosensorchips für biomedizinische Anwendungen.
Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2009. Gerlach, G. [Hrsg.] 9.Dresdner Sensor-Symp., Dresden, 7.-9.Dezember 2009 Dresden : TUDpress, 2009 (Dresdner Beiträge zur Sensorik ; 39), 157–60 
Sulfatierte Polysaccharide als alternative Sensorbeschichtung zum Nachweis von HGF (Gepatocyte Growth Factor) im Bioreaktor.
Berger, M.; Welle, A.; Gottwald, E.; Rapp, M.; Länge, K.
2009. Gerlach, G. [Hrsg.] 9.Dresdner Sensor-Symp., Dresden, 7.-9.Dezember 2009 Dresden : TUDpress, 2009 (Dresdner Beiträge zur Sensorik ; 39), 11–13 
Detector, fluidics and what else? A surface acoustic wave based disposable microfluidic biosensing platform.
Rapp, B. E.; Länge, K.
2009. IEEE Circuits and Systems for Medical and Environmental Applications Workshop (CaSME), Merida, MEX, December 14-16, 2009 
Influence of preparative carboxylation steps on the analyte response of an acoustic biosensor.
Länge, K.; Gruhl, F. J.; Rapp, M.
2009. IEEE Sensors Journal, 9, 2033–34. doi:10.1109/JSEN.2009.2033027 
Influence of intermediate hydrogel layer and amount of binding sites on the signal response of surface acoustic wave biosensors.
Länge, K.; Rapp, M.
2009. Sensors and Actuators B, 142, 39–43. doi:10.1016/j.snb.2009.08.026 
Speeding up sensor response times by modifying the geometry of the fluidic channel of a disposable array compatible sensor housing for surface acoustic wave biosensors.
Rapp, B. E.; Gruhl, F. J.; Länge, K.; Rapp, M.
2009. Dössel, O. [Hrsg.] World Congress on Medical Physics and Biomedical Engineering, München, September 7-12, 2009 Vol. 25/VIII: Micro- and Nanosystems in Medicine, Active Implants, Biosensors Berlin [u.a.] : Springer, 2009 (IFMBE Proceedings ; 25/8) 
Surface acoustic wave (SAW) biosensor chip system - a promising alternative for biomedical applications.
Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2009. Dössel, O. [Hrsg.] World Congress on Medical Physics and Biomedical Engineering, München, September 7-12, 2009 Vol. 25/VIII: Micro- and Nanosystems in Medicine, Active Implants, Biosensors Berlin [u.a.] : Springer, 2009 (IFMBE Proceedings ; 25/8) 
Speeding up sensor response times by modifying the geometry of the fluidic channel of a disposable array compatible sensor housing for surface acoustic wave biosensors.
Rapp, B. E.; Gruhl, F. J.; Länge, K.; Rapp, M.
2009. Dössel, O. [Hrsg.] World Congress on Medical Physics and Biomedical Engineering, München, September 7-12, 2009 Vol. 25/VIII: Micro- and Nanosystems in Medicine, Active Implants, Biosensors Berlin [u.a.] : Springer, 2009 (IFMBE Proceedings ; 25/8), 69–72 
Surface acoustic wave (SAW) biosensor chip system - a promising alternative for biomedical applications.
Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2009. Dössel, O. [Hrsg.] World Congress on Medical Physics and Biomedical Engineering, München, September 7-12, 2009 Vol. 25/VIII: Micro- and Nanosystems in Medicine, Active Implants, Biosensors Berlin [u.a.] : Springer, 2009 (IFMBE Proceedings ; 25/8), 73–76 
Surface acoustic wave (SAW) biosensor system with an indirect microfluidic flow injection analysis system.
Rapp, B. E.; Länge, K.; Rapp, M.
2009. 15th Internat.Conf.on Solid-State Sensors, Actuators and Microsystems (Transducers 2009), Denver, Colo., June 21-25, 2009 Technical Digest Piscataway, N.J. : IEEE, 2009 
Surface acoustic wave (SAW) biosensor system with an indirect microfluidic flow injection analysis system.
Rapp, B. E.; Länge, K.; Rapp, M.
2009. 15th Internat.Conf.on Solid-State Sensors, Actuators and Microsystems (Transducers 2009), Denver, Colo., June 21-25, 2009 Technical Digest Piscataway, N.J. : IEEE, 2009, 85–87 
SAW (Surface Acoustic Wave) biosensor chip-array - a potential tool for biomedical analysis.
Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2009. KIT PhD Symp., Karlsruhe, 18.März 2009 Book of Abstracts 
An indirect microfluidic flow injection analysis (FIA) system allowing diffusion free pumping of liquids by using tetradecane as intermediary liquid.
Rapp, B. E.; Carneiro, L.; Länge, K.; Rapp, M.
2009. Lab on a Chip, 9, 354–56. doi:10.1039/b815690e 
Biospezifische Polymere als alternative Sensorbeschichtung zum Nachweis von HGF (Hepatocyte Growth Factor).
Berger, M.; Welle, A.; Gottwald, E.; Rapp, M.; Länge, K.
2009. 6.Deutsches BioSensor Symp.(DBS 2009), Freiburg, 29.März - 1.April 2009 Tagungsbd. (Abstract) 
SAW (Surface Acoustic Wave) Biosensorchip-Array für Biomedizinische Anwendungen.
Gruhl, F. J.; Rapp, B. E.; Rapp, M.; Länge, K.
2009. 6.Deutsches BioSensor Symp.(DBS 2009), Freiburg, 29.März - 1.April 2009 Tagungsbd. (Abstract) 
2008
Das Neptun-System. Ein einwegtaugliches indirektes Mikrofluidiksystem für die instrumentelle Analytik am Beispiel eines SAW Biosensorsystems.
Rapp, B. E.; Rapp, M.; Länge, K.
2008. Vortr.: Fa.Bürkert, Ingelfingen, 28.Mai 2008 
Surface acoustic wave (SAW) biosensor with fully automated microfluidic flow injection analysis (FIA) system for biomedical applications.
Rapp, B. E.; Länge, K.; Carneiro, L.; Rapp, M.
2008. 10th World Congress on Biosensors, Shanghai, China, May 14-16, 2008 Book of Abstracts O21 
Warum soll Bioanalytik teuer sein? Ein kostengünstiges 8-Kanal Biosensorsystem mit einwegtauglicher Mikrofluidik.
Rapp, B. E.; Rapp, M.; Länge, K.
2008. BioTechnica 2008, Hannover, 7.-9.Oktober 2008 
Surface acoustic wave (SAW) biosensors for biomolecular applications.
Rapp, B. E.; Rapp, M.; Länge, K.
2008. Workshop ’Molecular Interactions’, Berlin, July 23-25, 2008 
Surface Acoustic Wave (SAW) Sensor Array für biomedizinische Anwendungen.
Gruhl, F.; Rapp, B.; Länge, K.; Rapp, M.
2008. Workshop Molekulare Interaktionen an Grenzflächen (MIG-III) zum Thema ’NanoMikro meets NanoBio’, Karlsruhe, 6.März 2008 
Microfluidic flow injection analysis (FIA) system which allows indirect fluid handling by using tetradecane as intermediary liquid.
Rapp, B. E.; Länge, K.; Rapp, M.
2008. 12th Internat.Meeting on Chemical Sensors, Columbus, Ohio, July 13-16, 2008 Extended Abstracts Part II: Poster Sessions CD-ROM 
An array compatible polymer housing for a Love wave surface acoustic wave (SAW) biosensor allowing the elimination of conductivity sensitivities of SAW resonators.
Rapp, B. E.; Länge, K.; Rapp, M.
2008. 12th Internat.Meeting on Chemical Sensors, Columbus, Ohio, July 13-16, 2008 Extended Abstracts CD-ROM, 185–86 
Microfluidic flow injection analysis (FIA) system which allows indirect fluid handling by using tetradecane as intermediary liquid.
Rapp, B. E.; Länge, K.; Rapp, M.
2008. 12th Internat.Meeting on Chemical Sensors, Columbus, Ohio, July 13-16, 2008 Extended Abstracts Part II: Poster Sessions CD-ROM, 717–18 
Surface acoustic wave biosensors: a review.
Länge, K.; Rapp, B. E.; Rapp, M.
2008. Analytical and bioanalytical chemistry, 391 (5), 1509–19. doi:10.1007/s00216-008-1911-5 
Influence of intermediate aminodextran layers on the signal response of surface acoustic wave biosensors.
Länge, K.; Rapp, M.
2008. Analytical Biochemistry, 377, 170–75. doi:10.1016/j.ab.2008.03.012 
Integration of a surface acoustic wave (SAW) into a microfluidic flow injection analysis (FIA) system.
Rapp, B. E.; Carneiro, L.; Länge, K.; Rapp, M.
2008. Sensoren und Messsysteme : 14.Fachtagung, Ludwigsburg, 11.-12.März 2008 Düsseldorf : VDI-Verl., 2008 (VDI-Berichte ; 2011) 
Integration of a surface acoustic wave (SAW) into a microfluidic flow injection analysis (FIA) system.
Rapp, B. E.; Carneiro, L.; Länge, K.; Rapp, M.
2008. Sensoren und Messsysteme : 14.Fachtagung, Ludwigsburg, 11.-12.März 2008 Düsseldorf : VDI-Verl., 2008 (VDI-Berichte ; 2011), 53–56 
2007
Surface acoustic wave biosensors for biomedical applications.
Rapp, B.; Länge, K.; Rapp, M.; Guber, A.
2007. BMT 2007 : 41.Jahrestagung der Deutschen Gesellschaft für Biomedizinische Technik (DGBMT), Aachen, 26.-29.September 2007 Biomedizinische Technik, 52(2007) Ergänzungsbd.auf CD-ROM 
Surface acoustic wave biosensors for biomedical applications.
Rapp, B.; Länge, K.; Rapp, M.; Guber, A.
2007. Biomedizinische Technik, BMT 2007 : 41.Jahrestagung der Deutschen Gesellschaft für (DGBMT), Aachen, 26.-29.September 2007, Ergänzungsbd.auf CD-ROM, 52 
Chemical modification of parylene C coatings for SAW biosensors.
Länge, K.; Grimm, S.; Rapp, M.
2007. Sensors and Actuators B, 125, 441–46. doi:10.1016/j.snb.2007.02.039 
Einfluss der intermediären Hydrogelschicht auf die Signalhöhe bei SAW-Biosensoren.
Länge, K.; Rapp, M.
2007. 5.Deutsches BioSensor Symp.(DBS 2007), Bochum, 18.-21.März 2007 
Leberersatzsysteme und die biohybride Leber. Chancen, Herausforderungen, Perspektiven.
Welle, A.; Gottwald, E.; Länge, K.
2007. Vortr.: Fachhochschule Kaiserslautern, 18.April 2007 
Polymer coating behavior of Rayleigh-SAW resonators with gold electrode structure for gas sensor applications.
Avramov, I. D.; Länge, K.; Rupp, S.; Rapp, B.; Rapp, M.
2007. IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, 54, 157–66. doi:10.1109/TUFFC.2007.221 
2006
Influence of intermediate layers on surface acoustic wave based biosensors.
Länge, K.; Rapp, M.
2006. Vortr.: Korea Institute of Science and Technology (KIST), Seoul, Korea, 26.Oktober 2006 
Integration of a surface acoustic wave biosensor in a microfluidic polymer chip.
Länge, K.; Blaess, G.; Voigt, A.; Götzen, R.; Rapp, M.
2006. Biosensors and Bioelectronics, 22, 227–32. doi:10.1016/j.bios.2005.12.026 
Optimization of surface acoustic wave based biosensors.
Länge, K.; Rapp, M.
2006. NanoBio-Workshop, Korea Institute of Science and Technology Europe (KIST), Saarbrücken, 29.September 2006 
Signal enhancement of surface acoustic wave biosensors by optimising the intermediate hydrogel layer.
Länge, K.; Rapp, M.
2006. 9th World Congress on Biosensors, Toronto, CDN, May 10-12, 2006 
2005
Packaging of surface acoustic wave (SAW) based biosensors: an important issue for future biomedical applications.
Länge, K.; Blaess, G.; Voigt, A.; Rapp, M.; Hansjosten, E.; Schygulla, U.
2005. 2004 IEEE Internat.Ultrasonics, Ferroelectrics, and Frequency Control Joint 50th Anniversary Conf., Montreal, CDN, August 23-27, 2004 Proc.on CD-ROM Piscataway, N.J. : IEEE, 2004, 321–25 
Signal amplification for surface acoustic wave (SAW) biosensors by acoustic wave guiding layers and additional mass labeling.
Länge, K.; Rapp, M.
2005. Chemical Sensors, Technical Digest of the 10th Internat.Meeting on, Tsukuba, J, July 11-14, 2004,(2004) Suppl.B, Auch auf CD-ROM, 20, 204–205 
Surface acoustic wave (SAW) based biosensor chips: a versatile solution for future biomedical applications.
Blaess, G.; Länge, K.; Rapp, M.
2005. 208th Meeting of the Electrochemical Society, Los Angeles, Calif., October 16-21, 2005 
Verkapselte Surface Acoustic Wave Biosensoren als potentielles Hilfsmittel in der medizinischen Diagnostik.
Blaess, G.; Länge, K.; Rapp, M.; Voigt, A.; Hansjosten, E.; Schygulla, U.
2005. 4.Deutsches BioSensor Symp. (DBS 2005), Regensburg, 13.-16.März 2005 
New achievements in the development of surface acoustic wave (SAW) based biosensors.
Länge, K.; Blaess, G.; Voigt, A.; Rapp, M.
2005. Biosensors and Biomaterials Workshop (Biosensors 2005), Tsukuba, J, March 7-9, 2005 
Verkapselte Surface Acoustic Wave Biosensoren als potentielles Hilfsmittel in der medizinischen Diagnostik.
Länge, K.; Rapp, M.
2005. Vortr.: DECHEMA Forschungsausschuß Sensortechnik, Karlsruhe, 17.Januar 2005 
2004
Investigation of initial pellicle formation on modified titanium dioxide (TiO2) surfaces by reflectometric interference spectroscopy (RIfS) in a model system.
Länge, K.; Herold, M.; Scheideler, L.; Geis-Gerstorfer, J.; Wendel, H.-P.; Gauglitz, G.
2004. Dental materials, 20 (9), 814–822. doi:10.1016/j.dental.2003.10.010 
Packaging of surface acoustic wave (SAW) based biosensors: an important issue for future biomedical applications.
Länge, K.; Blaess, G.; Voigt, A.; Rapp, M.; Hansjosten, E.; Schygulla, U.
2004. 50th IEEE Internat.Ultrasonics, Ferroelectrics, and Frequency Control Symp., Montreal, CDN, August 24-27, 2004 
Improvement of surface acoustic wave gas and biosensor response characteristics using a capacitive coupling technique.
Bender, F.; Länge, K.; Voigt, A.; Rapp, M.
2004. Analytical Chemistry, 76, 3837–40. doi:10.1021/ac035019+ 
Signal amplification for surface acoustic wave (SAW) biosensors by acoustic wave guiding layers and additional mass labeling.
Länge, K.; Rapp, M.
2004. 10th Internat.Meeting on Chemical Sensors, Tsukuba, J, July 11-14, 2004 
Surface acoustic wave (SAW) immunosensors as a potential tool for diagnostic applications.
Länge, K.; Rapp, M.
2004. 8th World Congress on Biosensors, Granada, E, May 24-26, 2004 
Surface acoustic wave biosensors for biomedical applications.
Rapp, M.; Länge, K.
2004. Deutsch-Koreanischer Workshop, Saarbrücken, 17.-19.Mai 2004 
On-line monitoring of polymer deposition for tailoring the waveguide characteristics of love-wave biosensors.
Bender, F.; Länge, K.; Barie, N.; Kondoh, J.; Rapp, M.
2004. Langmuir, 20, 2315–19. doi:10.1021/la035674c 
(Wann) Passt ein Labor auf einen Fingernagel?.
Kautt, M.; Guber, A.; Hoffmann, W.; Länge, K.; Rapp, M.
2004. BIOforum, 27 (3), 54–55 
Markierungsfreie Proteindetektion mit Surface Acoustic Wave Biosensoren als potentielles diagnostisches Hilfsmittel.
Länge, K.; Voigt, A.; Rapp, M.; Brenner-Weiss, G.; Uetz, P.
2004. 5.Statuskolloquium des Programms Mikrosystemtechnik, Karlsruhe, 10.-11.Februar 2004 Wissenschaftliche Berichte, FZKA-6990 (Januar 2004), 117–22 
Markierungsfreie Proteindetektion mit Surface Acoustic Wave Biosensoren als potentielles diagnostisches Hilfsmittel.
Länge, K.; Voigt, A.; Rapp, M.; Brenner-Weiss, G.; Uetz, P.
2004. 5.Statuskolloquium des Programms Mikrosystemtechnik, Karlsruhe, 10.-11.Februar 2004 Wissenschaftliche Berichte, FZKA-6990 (Januar 2004) 
Surface acoustic wave biosensors for biomolecular interaction analysis.
Länge, K.; Voigt, A.; Rapp, M.
2004. IEEE Sensors 2003 : 2nd IEEE Internat.Conf.on Sensors, Toronto, CDN, October 22-24, 2003 CD-ROM Piscataway, N.J. : IEEE, 2003 
2003
A surface acoustic wave biosensor concept with low flow cell volumes for label-free detection.
Länge, K.; Bender, F.; Voigt, A.; Gao, H.; Rapp, M.
2003. Analytical Chemistry, 75, 5561–66. doi:10.1021/ac0207574 
Surface acoustic wave biosensors for direct mass-sensitive detection for low cost diagnostic applications.
Länge, K.; Voigt, A.; Rapp, M.
2003. Sensor 2003 : 11th Internat.Conf., Nürnberg, May 13-15, 2003 Proc.on CD-ROM (B1.3) Wunstorf : AMA Service GmbH, 2003 
Surface Acoustic Wave Biosensoren für die direkte masse-sensitive Detektion in der medizinischen Diagnostik.
Rapp, M.; Länge, K.; Voigt, A.
2003. DECHEMA Statusseminar ’Chiptechnologien - Wirkstoffforschung - Therapie’, Frankfurt, 24.-25.Februar 2003 
Biosensoren mit direkter masse-sensitiver Detektion auf der Basis akustischer Oberflächenwellen (Surface Acoustic Wave) für die medizinische Diagnostik.
Länge, K.; Voigt, A.; Rapp, M.
2003. 3.Biosensor Symp., Potsdam, 31.März - 2.April 2003 
2002
Characterization of antibodies against benzo[a]pyrene with thermodynamic and kinetic constants.
Länge, K.; Griffin, G. D.; Vo- Dinh, T.; Gauglitz, G.
2002. Talanta, 56 (6), 1153–1161. doi:10.1016/S0039-9140(01)00668-3 
SAW biosensor arrays: listening to the sound of proteins.
Kautt, M.; Länge, K.; Rapp, M.
2002. MST News, (2002), (5), 13–15 
Use of parylene-C wave guiding layers for increasing sensitivity of HPSSW sensors.
Rapp, M.; Bender, F.; Länge, K.; Kondoh, J.
2002. 202th Meeting of the Electrochemical Society, Salt Lake City, Utah, October 20-24, 2002 
Wie sich die Proteine selbst verraten: Neue Konzepte zum Proteinnachweis.
Kautt, M.; Reichert, J.; Hoffmann, W.; Strasser, M.; Rapp, M.; Voigt, A.; Länge, K.; Weibezahn, K. F.; Gottwald, E.
2002. Nachrichten - Forschungszentrum Karlsruhe, 34, 175–82 Full textFull text of the publication as PDF document 
SAW immunosensors for label free detection using wave-guiding layers for signal amplification.
Länge, K.; Bender, F.; Rapp, M.
2002. Biosensors 2002, Kyoto, J, May 15-17, 2002 
A new SAW biosensor concept with low flow cell volumes using capacitive coupling.
Rapp, M.; Länge, K.; Voigt, A.
2002. Biosensors 2002, Kyoto, J, May 15-17, 2002 
1999
Flow injection immunotitration: extended working range for inhibition type immunodetection.
Länge, K.; Rapp, F.-R.; Gauglitz, G.; Brecht, A.
1999. Analytica chimica acta, 399 (3), 275–286. doi:10.1016/S0003-2670(99)00468-7