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Vaskar Sardhalia on Muck Rack

Vaskar Sardhalia

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Articles

Halochromic modulation of amorphous calcium carbonate crystallization driven by pH-responsive bioinspired pigments

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By Guillaume P. Laurent, Mathieu Frégnaux, Xiaoyan Li, Marta de Frutos, Andrew Fitch, Shahrouz Amini, Zhaoyong Zou, Iryna Polishchuk, Boaz Pokroy, Peter Fratzl, Thierry Azais, Nadine Nassif, Marie Albéric, Vaskar Sardhalia, Mohamed Selmane, Anne Vallée, Clemens N. Z. Schmitt
| Nature Verified
Abstract Colors in biominerals often arise from the occlusion of low-molecular-weight organic pigments within calcium carbonate (CaCO3) mineral phases during biomineralization processes; however, the physicochemical origin of these colors has been overlooked. Here, inspired by the growth of colored sea urchin spines that occurs through amorphous CaCO3 (ACC) precursors, we show an in-vitro halochromic modulation of ACC crystallization.
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