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Title: Cytotoxicity of shear exfoliated pnictogen (As, Sb, Bi) nanosheets
Authors: Chia, Hui Ling
Naziah Mohamad Latiff
Gusmão, Rui
Sofer, Zdeněk
Pumera, Martin
Keywords: Science::Chemistry
Issue Date: 2019
Source: Chia, H. L., Naziah Mohamad Latiff, Gusmão, R., Sofer, Z. & Pumera, M. (2019). Cytotoxicity of shear exfoliated pnictogen (As, Sb, Bi) nanosheets. Chemistry - A European Journal, 25(9), 2242-2249.
Journal: Chemistry - A European Journal
Abstract: The experimental achievement of phosphorene, which exhibits superior electronic, physical, and optical properties has spurred recent interest in other Group 15 elemental 2D nanomaterials such as arsenene, antimonene, and bismuthene. These unique and superior properties of the pnictogen nanosheets have spurred intensive research efforts and led to the discovery of their diversified potential applications; for instance, optical Kerr material, photonic devices, pnictogen-decorated microfibers, high-speed transistors, and flexible 2D electronics. Previous studies have mainly been dedicated to study the synthesis, properties, and applications of the heavy pnictogens nanosheets; however, the toxicological behaviour of these nanosheets has yet to be established. Herein, the cytotoxicity study of pnictogen nanosheets (As, Sb, and Bi) was conducted over 24 h of incubation with various concentrations of test materials and adenocarcinoma human lung epithelial A549 cells. After the treatment period, the remaining cell viabilities were obtained through absorbance measurements with WST-8 and MTT assays. These findings demonstrate that the toxicity of pnictogen nanosheets decreases down Group 15, whereby arsenic nanosheets are considered to be the most toxic, whereas bismuth nanosheets induce low cytotoxicity. The findings of this study constitute an important initial step towards enhancing our understanding of the toxicological effects of pnictogen nanosheets in light of their prospective commercial applications.
ISSN: 0947-6539
DOI: 10.1002/chem.201804336
Rights: © 2019 Wiley-VCH Verlag GmbH &Co. KGaA, Weinheim. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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