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Delamination of MXenes using bovine serum albumin
Journal article   Open access   Peer reviewed

Delamination of MXenes using bovine serum albumin

Mykola Seredych, Kathleen Maleski, Tyler S. Mathis and Yury Gogotsi
Colloids and surfaces. A, Physicochemical and engineering aspects, v 641, 128580
20 May 2022
DOI: https://doi.org/10.1016/j.colsurfa.2022.128580
Featured in Collection :   UN Sustainable Development Goals @ Drexel
url
https://doi.org/10.1016/j.colsurfa.2022.128580View
Accepted (AM)Open Access (Publisher-Specific),  Open

Abstract

2D Materials Bovine serum albumin Colloids Delamination MXenes
Delamination of two-dimensional materials is a requisite step for exploiting their unique properties. Herein, we report on the formation of stable colloidal solutions of Ti3C2 and Mo2Ti2C3 MXene nanosheets by the dispersion and electrostatic exfoliation of stacked multilayer MXenes in the presence of albumin. Delamination of multilayered MXenes into atomically thin nanosheets resulted in stable colloidal solutions with good stability due to the adsorption of albumin, which prevents re-aggregation of the few-layer nanosheets. Cascading centrifugation was used to produce monodisperse colloids. This study demonstrates a processing method that can be utilized to prepare MXenes for biomedical applications. Since protein adsorption onto nanomaterial surfaces plays a significant role in many fields, including medicine, biology, pharmaceuticals, and environmental engineering, albumin coated MXenes may find many applications. [Display omitted]

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Web of Science research areas
Chemistry, Physical
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