Cytotoxic and photocatalytic studies of hexagonal boron nitride nanotubes: a potential candidate for wastewater and air treatment

Boron nitride (BN) nanomaterials are rapidly being investigated for potential applications in biomedical sciences due to their exceptional physico-chemical characteristics. However, their safe use demands a thorough understanding of their possible environmental and toxicological effects. The cytotox...

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Bibliographic Details
Published in:RSC advances 2022-02, Vol.12 (11), p.6592-66
Main Authors: Khalid, Awais, Ahmad, Pervaiz, Khan, Abdulhameed, Khandaker, Mayeen Uddin, Kebaili, Imen, Alam, Md Mottahir, Din, Israf Ud, Muhammad, Saleh, Razzaq, Zohaib, Rehman, Ibad Ur, Abbasi, Habib Ahmad, Hayat, Danish
Format: Article
Language:English
Subjects:
Adsorption
Biocompatibility
Biomedical materials
Boron
Boron nitride
Catalysts
Chemistry
Cytotoxicity
Degradation
Dyes
Efficiency
Nanomaterials
Nanotubes
Toxicity
Wastewater treatment
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Summary:Boron nitride (BN) nanomaterials are rapidly being investigated for potential applications in biomedical sciences due to their exceptional physico-chemical characteristics. However, their safe use demands a thorough understanding of their possible environmental and toxicological effects. The cytotoxicity of boron nitride nanotubes (BNNTs) was explored to see if they could be used in living cell imaging. It was observed that the cytotoxicity of BNNTs is higher in cancer cells (65 and 80%) than in normal cell lines (40 and 60%) for 24 h and 48 h respectively. The influence of multiple experimental parameters such as pH, time, amount of catalyst, and initial dye concentration on percentage degradation efficiency was also examined for both catalyst and dye. The degradation effectiveness decreases (92 to 25%) as the original concentration of dye increases (5-50 ppm) due to a decrease in the availability of adsorption sites. Similarly, the degradation efficiency improves up to 90% as the concentration of catalyst increases (0.01-0.05 g) due to an increase in the adsorption sites. The influence of pH was also investigated, the highest degradation efficiency for MO dye was observed at pH 4. Our results show that lower concentrations of BNNTs can be employed in biomedical applications. Dye degradation properties of BNNTs suggest that it can be a potential candidate as a wastewater and air treatment material. Photocatalytic degradation studies of methyl orange using BNNTs.
ISSN:2046-2069
2046-2069
DOI:10.1039/d2ra00300g