@article{article_487476, title={Development of Ecological Biodesign Products by Bacterial Biocalcification}, journal={European Journal of Engineering and Natural Sciences}, volume={3}, pages={17–25}, year={2019}, author={Keskin Gündoğdu, Tuğba and Deniz, İrem and Aric, Alpcan and Yılmazsoy, Burak Talha and Andic Cakir, Ozge and Erdogan, Aysegul and Altun, Didem and Tokuc, Ayca and Demirci, Burcu Filiz and Sendemir, Aylin and et al.}, keywords={Biocalcification,Biodesign,Urban Living Elements}, abstract={<span lang="en-us" style="font-size:8pt;line-height:115%;font-family:Calibri, ’sans-serif’;" xml:lang="en-us">Biodesign is an interdisciplinary field in which biological processes are combined with many different fields to produce environmentally friendly and economically feasible products. Within the scope of this study, first CaCO <sub>3 </sub> production potential of <i>Sporosarcina pasteurii </i>has been observed and optimized, and then the capability of hardening of the sand is examined. The optimum CaCl <sub>2 </sub> concentration for maximized CaCO <sub>3 </sub> formation was found as 50 mM. The ecological urban element was designed and its mold was produced by 3D printer at lab scale. The <i>Sporosarcina pasteurii </i> was mixed with sand and filled into the mold. The sand was mixed with 50 mM CaCl <sub>2 </sub> solution every day until hardening is observed. At the end of one week, a sitting element from hardened sand was produced. The CaCO <sub>3 </sub> formation was observed with XPS analysis. Thus, an interdisciplinary approach was used to produce ecological biodesign products.v </span>}, number={1}, publisher={CNR Çevre}