Development of an Implantable Pulse Oximeter. - Stephan Reichelt; Jens Fiala; Armin Werber; Katharina Förster; Claudia Heilmann; Rolf Klemm; Hans Zappe (IEEE Trans. Biomed. Eng., 2008)

Wavelet based data analysis for implantable pulse oximetric sensors. - Dominic Ruh; Jens Fiala; Hans Zappe; Andreas Seifert (EMBC, 2011)

Determination of vessel wall dynamics by optical microsensors. - Dominic Ruh; Stanislav Sherman; Michael Theodor; Johannes Ruhhammer; Katharina Förster; Claudia Heilmann; Friedhelm Beyersdorf; Hans Zappe; Andreas Seifert (EMBC, 2012)

Lock-in amplification for implantable multiwavelength pulse oximeters. - Michael Theodor; Utku Karakas; Dominic Ruh; Hans Zappe; Andreas Seifert (EMBC, 2013)

Implantable acceleration plethysmography for blood pressure determination. - Michael Theodor; Dominic Ruh; Katharina Förster; Claudia Heilmann; Friedhelm Beyersdorf; Hans Zappe; Andreas Seifert (EMBC, 2013)

A two-dimensional silicon-on-glass actuator with dispensed polymer microlens. - Pei Li; Long-Fa Pan; Hans Zappe (NEMS, 2013)

Implantable pulse oximetry on subcutaneous tissue. - Michael Theodor; Dominic Ruh; Sivaraman Subramanian; Katharina Förster; Claudia Heilmann; Friedhelm Beyersdorf; Dennis T. T. Plachta; Yiannos Manoli; Hans Zappe; Andreas Seifert (EMBC, 2014)

Experimental investigation of 3D plasmon talbot effect. - Yiting Yu; Hans Zappe (NEMS, 2014)

Implantable Impedance Plethysmography. - Michael Theodor; Dominic Ruh; Martin Ocker; Dominik Spether; Katharina Förster; Claudia Heilmann; Friedhelm Beyersdorf; Yiannos Manoli; Hans Zappe; Andreas Seifert (Sensors, 2014)

A 1.6μW tunable organic transimpedance amplifier for photodetector applications based on gain-boosted common-gate input stage and voltage-controlled resistor with ±0.5% nonlinearity. - Samar Elsaegh; Hans Zappe; Yiannos Manoli; Hagen Klauk; Ute Zschieschang (ESSCIRC, 2017)

Low-Power Organic Light Sensor Array Based on Active-Matrix Common-Gate Transimpedance Amplifier on Foil for Imaging Applications. - Samar Elsaegh; Clemens Veit; Ute Zschieschang; Mohammad Amayreh; Florian Letzkus; Holger Sailer; Michael Jurisch; Joachim N. Burghartz; Uli Würfel; Hagen Klauk; Hans Zappe; Yiannos Manoli (IEEE J. Solid State Circuits, 2020)

An autonomous Internet of Things spectral sensing system for in-situ optical monitoring of grape ripening: design, characterization, and operation. - Hugo M. Oliveira; Alessio Tugnolo; Natacha Fontes; Carlos Marques; Álvaro Geraldes; Sophie Jenne; Hans Zappe; António Graça; Valentina Giovenzana; Roberto Beghi; Riccardo Guidetti; João Piteira; et al. (Comput. Electron. Agric., 2024)