Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 7, issue 2
Articles | Volume 7, issue 2
https://doi.org/10.5194/jsss-7-433-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jsss-7-433-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 7, issue 2
Regular research article
 | 
06 Jul 2018
Regular research article |  | 06 Jul 2018

Metal ion binding and tolerance of bacteria cells in view of sensor applications

Jonas Jung, Anja Blüher, Mathias Lakatos, and Gianaurelio Cuniberti

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Short summary
We assessed the applicability of bacterial surface layer proteins of Lysinibacillus sphaericus JG-B53 and Sporosarcina ureae ATCC 13881 for the detection of metal ions in water. Based on the interactions of the cell components with metal complexes, two potential sensor systems, one colorimetric with functionalized gold nanoparticles and the other using a regenerative sensor layer, were developed. The systems' detection limits of YCl3 in water were 1.67 x 10−5 and 1 x 10−4 mol L−1, respectively.
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Dresden Sensor Symposium 2017