Lenferink, A.

Otto, C.

Pully, Vishnu Vardhan

Subramaniam, V.

van Apeldoorn, A.A.

van Blitterswijk, C.A.

English

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Confocal Raman Microspectroscopic Imaging of Tissues in a PDMS Microbioreactor

University of Twente Research Information

CONFOCAL RAMAN MICROSPECTROSCOPIC IMAGING OF  TISSUES IN A PDMS MICROBIOREACTOR  Vishnu Vardhan Pully1, A. Lenferink1, A. A. Van Apeldoorn2,  C. A. Van Blitterswijk2, V. Subramaniam1, C. Otto1  1Biophysical Engineering, BMTI & MESA+ Institutes,  University of Twente, The Netherlands. 2Tissue Regeneration, BMTI, University of Twente, The Netherlands E-mail: v.v.pully@utwente.nl    KEY WORDS: 3D Hyper Raman imaging, live cells, microbioreactors.  ABSTRACT New technology is developed to observe, in situ and in vivo development of tissues from cultured cells [1]. Cells after seeding grow on bioactive degradable scaffolds that provide the physical and chemical cues to guide differentiation and assembly into three dimensional (3D) tissues. The tissue is grown in a bioreactor, where the proper conditions for growth and differentiation are maintained [2]. We have designed and developed a novel microbioreactor in PDMS (Polydimethylsiloxane). In order to assess the growth conditions through out the tissue, the non-invasive, 3D-spatial resolution of confocal Raman imaging is used to measure chemical parameters in the tissue in a label-free manner. We will present first results of a specially designed micro-bioreactor integrated with a hyper spectral Raman microscope.     REFERENCES 1. N. Uzunbajakava, A. Lenferink, Y. Kraan, E. Volokhina, G. Vrensen, J. Greve and C. Otto,  “Non resonant confocal Raman imaging of DNA and protein distribution in apoptotic cells”,  Biophysical Journal, 84(6), 3968-3981 (2003). 2. Eric Leclerc, Yasuyuki Sakai and Teruo Fujii, “Cell culture in 3 dimensional microfluidic structure of PDMS”, Biomedical Microdevices, 5(2), 109-114 (2003).  

Confocal Raman Microspectroscopic Imaging of Tissues in a PDMS Microbioreactor

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