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Short-lived calcium carbonate precursors observed in situ via Bullet-dynamic nuclear polarization

Chemistry

Short-lived calcium carbonate precursors observed in situ via Bullet-dynamic nuclear polarization

E. Turhan, M. Minaei, et al.

This groundbreaking research by Ertan Turhan, Masoud Minaei, Pooja Narwal, Benno Meier, Karel Kouřil, and Dennis Kurzbach unveils the role of short-lived pre-nucleation species in calcium carbonate formation. Utilizing innovative Bullet dynamic nuclear polarization, the team provides new insights into how ionic pre-nucleation species influence solidification processes, challenging traditional paradigms.

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Playback language: English
Abstract
This research challenges the established nucleation-and-growth paradigm by investigating short-lived pre-nucleation species (PNS) in calcium carbonate formation. Using 'Bullet' dynamic nuclear polarization (Bullet-DNP), the researchers characterized species forming within milliseconds after calcium and carbonate ions interact, demonstrating that ionic PNS govern solidification at both weak and high oversaturation. Two distinct PNS with different sizes and compositions were identified, highlighting the potential of Bullet-DNP for studying carbonate-based material formation.
Publisher
Communications Chemistry
Published On
Sep 17, 2024
Authors
Ertan Turhan, Masoud Minaei, Pooja Narwal, Benno Meier, Karel Kouřil, Dennis Kurzbach
Tags
calcium carbonate
nucleation
pre-nucleation species
dynamic nuclear polarization
solidification
ionic species

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