Publications

Surface Acoustic Wave Resonator Chip Setup for the Elimination of Interfering Conductivity Responses
Rapp, B. E.; Voigt, A.; Dirschka, M.; Rapp, M.; Länge, K.
2024. Micromachines, 15 (4), 501. doi:10.3390/mi15040501  

Optimization of laser-induced OH Radical Generation in Water
Geiger, L. M.; Jouda, M.; Länge, K.; Rapp, M.; Voigt, A.; Howard, I.; MacKinnon, N.; Korvink, J.
2023, April 18. Experimental Nuclear Magnetic Resonance Conference (ENC 2023), Pacific Grove, CA, USA, April 16–21, 2023  

Bulk and Surface Acoustic Wave Biosensors for Milk Analysis
Länge, K.
2022. Biosensors, 12 (8), 602. doi:10.3390/bios12080602  

Surface Acoustic Wave Resonators for Milk Analysis
Schöck, N.; Weber, T.; Länge, K.
2022. The 2nd International Electronic Conference on Biosensors: Part of the International Electronic Conference on Biosensors series, 14th – 18th February 2022 

Microfluidic integration for electrochemical biosensor applications
Schmidt-Speicher, L. M.; Länge, K.
2021. Current opinion in electrochemistry, 29, Article: 100755. doi:10.1016/j.coelec.2021.100755 

Rapid Prototyping of Moulds for PDMS-based Microfluidic Chips
Schmidt-Speicher, L. M.; Mellert, T.; Hurtado Rivera, A. C.; Länge, K.; Ahrens, R.; Guber, A. E.
2021. Current directions in biomedical engineering, 7 (2), 255–259. doi:10.1515/cdbme-2021-2065  

Microfluidic Impedance Biosensor Chips Using Sensing Layers Based on DNA-Based Self-Assembled Monolayers for Label-Free Detection of Proteins
Alsabbagh, K.; Hornung, T.; Voigt, A.; Sadir, S.; Rajabi, T.; Länge, K.
2021. Biosensors, 11 (3). doi:10.3390/bios11030080  

Biophotonic sensors with integrated SiN-organic hybrid (SiNOH) lasers for point-of-care diagnostics
Kohler, D.; Schindler, G.; Hahn, L.; Milvich, J.; Hofmann, A.; Länge, K.; Freude, W.; Koos, C.
2021. Light: Science and Applications, 10 (1), Art.-Nr.: 64. doi:10.1038/s41377-021-00486-w  

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  

Laser-induced hierarchical carbon patterns on polyimide substrates for flexible urea sensors
Mamleyev, E. R.; Heissler, S.; Nefedov, A.; Weidler, P. G.; Nordin, N.; Kudryashov, V. V.; Länge, K.; MacKinnon, N.; Sharma, S.
2019. npj flexible electronics, 3 (1), Article no 2. doi:10.1038/s41528-018-0047-8  

Bulk and Surface Acoustic Wave Sensor Arrays for Multi-Analyte Detection: A Review
Länge, K.
2019. Sensors, 19 (24), Article no: 5382. doi:10.3390/s19245382  

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  

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 

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  

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.; Loh, M. van der; Wagner, M.-N.; Länge, K.
2017. Procedia Technology, 27, 165–166. doi:10.1016/j.protcy.2017.04.072  

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  

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.; Loh, M. van der; 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  

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 

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  

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  

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 

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 

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) 

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 

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 

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) 

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 

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 

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 

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 

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 

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 

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  

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 

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