Functionalized Bioink with Optical Sensor Nanoparticles for O2 Imaging in 3D-Bioprinted Constructs

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Functionalized Bioink with Optical Sensor Nanoparticles for O2 Imaging in 3D-Bioprinted Constructs. / Trampe, Erik; Koren, Klaus; Akkineni, Ashwini Rahul; Senwitz, Christian; Krujatz, Felix; Lode, Anja; Gelinsky, Michael; Kühl, Michael.

In: Advanced Functional Materials, Vol. 28, No. 45, 1804411, 2018.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Trampe, E, Koren, K, Akkineni, AR, Senwitz, C, Krujatz, F, Lode, A, Gelinsky, M & Kühl, M 2018, 'Functionalized Bioink with Optical Sensor Nanoparticles for O2 Imaging in 3D-Bioprinted Constructs', Advanced Functional Materials, vol. 28, no. 45, 1804411. https://doi.org/10.1002/adfm.201804411

APA

Trampe, E., Koren, K., Akkineni, A. R., Senwitz, C., Krujatz, F., Lode, A., Gelinsky, M., & Kühl, M. (2018). Functionalized Bioink with Optical Sensor Nanoparticles for O2 Imaging in 3D-Bioprinted Constructs. Advanced Functional Materials, 28(45), [1804411]. https://doi.org/10.1002/adfm.201804411

Vancouver

Trampe E, Koren K, Akkineni AR, Senwitz C, Krujatz F, Lode A et al. Functionalized Bioink with Optical Sensor Nanoparticles for O2 Imaging in 3D-Bioprinted Constructs. Advanced Functional Materials. 2018;28(45). 1804411. https://doi.org/10.1002/adfm.201804411

Author

Trampe, Erik ; Koren, Klaus ; Akkineni, Ashwini Rahul ; Senwitz, Christian ; Krujatz, Felix ; Lode, Anja ; Gelinsky, Michael ; Kühl, Michael. / Functionalized Bioink with Optical Sensor Nanoparticles for O2 Imaging in 3D-Bioprinted Constructs. In: Advanced Functional Materials. 2018 ; Vol. 28, No. 45.

Bibtex

@article{fbc5b56c8f974ada85f32d807b3b1e17,
title = "Functionalized Bioink with Optical Sensor Nanoparticles for O2 Imaging in 3D-Bioprinted Constructs",
abstract = "Research on 3D bioprinting of living cells has strong focus on printable biocompatible materials and monitoring of cell growth in printed constructs, while cell metabolism is mostly measured in media surrounding the constructs or by destructive sample analyses. Bioprinting is combined with online imaging of O2 by functionalizing a hydrogel bioink via addition of luminescent optical sensor nanoparticles. Rheological properties of the bioink enable 3D printing of hydrogel layers with uniform response to O2 concentration. Co-immobilization of sensor nanoparticles with green microalgae and/or mesenchymal stem cells does not affect cell viability over several days. Interference from microalgal autofluorescence on the O2 imaging is negligible, and no leakage or photobleaching of nanoparticles is observed over 2–3 days. Oxygen dynamics due to respiration and photosynthesis of cells can be imaged online and the metabolic activity of different cell types can be discriminated in intact 3D structures. Bioinks containing chemical sensor particles enable noninvasive mapping of cell metabolism and spatiotemporal dynamics of their chemical microenvironment in 3D-printed structures. This major advance now facilitates rapid evaluation of cell activity in printed constructs as a function of structural complexity, metabolic interactions in mixed species bioprints, and in response to external incubation conditions.",
keywords = "bioprinting, chemical imaging, nanoparticles, photosynthesis, respiration",
author = "Erik Trampe and Klaus Koren and Akkineni, {Ashwini Rahul} and Christian Senwitz and Felix Krujatz and Anja Lode and Michael Gelinsky and Michael K{\"u}hl",
year = "2018",
doi = "10.1002/adfm.201804411",
language = "English",
volume = "28",
journal = "Advanced Functional Materials",
issn = "1616-301X",
publisher = "Wiley - V C H Verlag GmbH & Co. KGaA",
number = "45",

}

RIS

TY - JOUR

T1 - Functionalized Bioink with Optical Sensor Nanoparticles for O2 Imaging in 3D-Bioprinted Constructs

AU - Trampe, Erik

AU - Koren, Klaus

AU - Akkineni, Ashwini Rahul

AU - Senwitz, Christian

AU - Krujatz, Felix

AU - Lode, Anja

AU - Gelinsky, Michael

AU - Kühl, Michael

PY - 2018

Y1 - 2018

N2 - Research on 3D bioprinting of living cells has strong focus on printable biocompatible materials and monitoring of cell growth in printed constructs, while cell metabolism is mostly measured in media surrounding the constructs or by destructive sample analyses. Bioprinting is combined with online imaging of O2 by functionalizing a hydrogel bioink via addition of luminescent optical sensor nanoparticles. Rheological properties of the bioink enable 3D printing of hydrogel layers with uniform response to O2 concentration. Co-immobilization of sensor nanoparticles with green microalgae and/or mesenchymal stem cells does not affect cell viability over several days. Interference from microalgal autofluorescence on the O2 imaging is negligible, and no leakage or photobleaching of nanoparticles is observed over 2–3 days. Oxygen dynamics due to respiration and photosynthesis of cells can be imaged online and the metabolic activity of different cell types can be discriminated in intact 3D structures. Bioinks containing chemical sensor particles enable noninvasive mapping of cell metabolism and spatiotemporal dynamics of their chemical microenvironment in 3D-printed structures. This major advance now facilitates rapid evaluation of cell activity in printed constructs as a function of structural complexity, metabolic interactions in mixed species bioprints, and in response to external incubation conditions.

AB - Research on 3D bioprinting of living cells has strong focus on printable biocompatible materials and monitoring of cell growth in printed constructs, while cell metabolism is mostly measured in media surrounding the constructs or by destructive sample analyses. Bioprinting is combined with online imaging of O2 by functionalizing a hydrogel bioink via addition of luminescent optical sensor nanoparticles. Rheological properties of the bioink enable 3D printing of hydrogel layers with uniform response to O2 concentration. Co-immobilization of sensor nanoparticles with green microalgae and/or mesenchymal stem cells does not affect cell viability over several days. Interference from microalgal autofluorescence on the O2 imaging is negligible, and no leakage or photobleaching of nanoparticles is observed over 2–3 days. Oxygen dynamics due to respiration and photosynthesis of cells can be imaged online and the metabolic activity of different cell types can be discriminated in intact 3D structures. Bioinks containing chemical sensor particles enable noninvasive mapping of cell metabolism and spatiotemporal dynamics of their chemical microenvironment in 3D-printed structures. This major advance now facilitates rapid evaluation of cell activity in printed constructs as a function of structural complexity, metabolic interactions in mixed species bioprints, and in response to external incubation conditions.

KW - bioprinting

KW - chemical imaging

KW - nanoparticles

KW - photosynthesis

KW - respiration

U2 - 10.1002/adfm.201804411

DO - 10.1002/adfm.201804411

M3 - Journal article

AN - SCOPUS:85053919625

VL - 28

JO - Advanced Functional Materials

JF - Advanced Functional Materials

SN - 1616-301X

IS - 45

M1 - 1804411

ER -

ID: 204231228