The following papers are closely related to the activities of Colibri Photonics and reflect our interest in science and research.

[01] C. Ast, E. Schmälzlin, H.-G. Löhmannsröben, J.T. van Dongen;
Optical Oxygen Micro- and Nanosensors for Plant Applications;
Sensors 12 (2012) 7015-7032.

[02] D. Steinbrück, E. Schmälzlin, F. Peinemann, M. U. Kumke;
An Innovative Laser-Based Sensing Platform for Realtime Optical Monitoring of Oxygen;
Proceedings of the 14th Joint International IMEKO TC1 + TC7 + TC 13 Symposium (2011).

[03] S. Eich, E. Schmälzlin, H.-G. Löhmannsröben; 
Distributed Fiber Optical Sensing of Molecular Oxygen with OTDR;
Proc. SPIE 7726 (2010) 77260A.

[04] A. Zabalza, J.T. van Dongen, A. Froehlich, S. Oliver, B. Faix, J.G. Kapuganti, E. Schmälzlin, M. Igal, L. Orcaray, M. Royuela, P. Geigenberger; 
Regulation of Respiration and Fermentation to Control the Plant Internal Oxygen Concentration; 
Plant Physiology 149 (2009) 1087-1098.

[05] S.N. Oliver, J.E. Lunn, E. Urbanczyk-Wochniak, A. Lytovchenko, J.T. van Dongen, B. Faix, E. Schmälzlin, A.R. Fernie, P. Geigenberger; 
Decreased Expression of Cytosolic Pyruvate Kinase in Potato Tubers Leads to a Decline in Pyruvate Resulting in an in Vivo Repression of the Alternative Oxidase;
Plant Physiology 148 (2008) 1640-1654.

[06] B. Schewe, E. Schmälzlin, B. Walz; 
Intracellular pH homeostasis and serotonin-induced pH changes in Calliphora salivary glands: the contribution of V-ATPase and carbonic anhydrase;
J. Exp. Biol. 211 (2008) 805-815.

[07] H.-G. Löhmannsröben, E. Schmälzlin; 
Minimally invasive fiber probes for optical in-vivo oxygen measurements with integrated optical thermometer;
Proc. SPIE 6770 (2007) 67700V.

[08] C. Oesterhelt, E. Schmälzlin, J. M. Schmitt, H. Lokstein; 
Regulation of photosynthesis in the unicellular acidophilic red alga Galdieria sulphuraria;
Plant Journal 51 (2007) 500-511.

[09] E. Schmälzlin, B. Walz, I. Klimant, B. Schewe, H.-G. Löhmannsröben; 
Monitoring hormone-induced oxygen consumption in the salivary glands of the blowfly, Calliphora vicina, by use of luminescent microbeads;
Sens. Actuators B, Chem. 119 (2006) 251-254.

[10] H.-G. Löhmannsröben, M. Beck, N. Hildebrandt, E. Schmälzlin, J. T. van Dongen; 
New challenges in biophotonics: laser-based fluoroimmuno analysis and in vivo optical oxygen monitoring;
Proc. SPIE 6157 (2005) 61570E.

[11] E. Schmälzlin, J. van Dongen, I. Klimant, B. Marmodée, M. Steup, J. Fisahn, P. Geigenberger, H.-G. Löhmannsröben; 
An optical multi-frequency phase modulation method using micro-beads for measuring intracellular oxygen concentrations in plants;
Biophys. J. 89 (2005) 1339-1345.