A Comparative Study of Short Multi-Walled Carbon Nanotubes with Different Bulk Densities

Bircan Dinc; Recep Ustunsoy; Ayhan Unlu; Mehdi Meran; Nilgün Karatepe; Muhammet Bektas

doi:10.1134/S0036024422130027

A Comparative Study of Short Multi-Walled Carbon Nanotubes with Different Bulk Densities

Bircan Dinc, Recep Ustunsoy, Ayhan Unlu, Mehdi Meran, Nilgün Karatepe, Muhammet Bektas

Research output: Contribution to journal › Article › peer-review

Abstract

Abstract: Multi-walled carbon nanotubes (MWNTs) were investigated before and after carboxylic acid functionalization. Here, the comparative analysis of MWNTs with different bulk densities reveals similar Raman and FTIR spectra before and after acid functionalization except for minor differences. However thermal analyses exhibited some basic differences for both MWNTs before and after acid treatment. We investigated the cytotoxicity of two MWNTs on HT-29 and HEK293-T cells through three different methods: MTT assay, DAPI staining, and xCELLigence real-time cell analyzing method. It was observed that high bulk density affects the cytotoxicity for both cell lines and in all methods. Because the acid treatment lowered the bulk density, after acid treatment, the MWNTs with the higher bulk density (C150P) elicited similar cytotoxicity compared to the lower one (C70P).

Original language	English
Pages (from-to)	2938-2947
Number of pages	10
Journal	Russian Journal of Physical Chemistry A
Volume	96
Issue number	13
DOIs	https://doi.org/10.1134/S0036024422130027
Publication status	Published - Dec 2022
Externally published	Yes

Keywords

MWNT
bulk density
calorimetric techniques
cytotoxicity
spectroscopic techniques
xCELLigence

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10.1134/S0036024422130027

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title = "A Comparative Study of Short Multi-Walled Carbon Nanotubes with Different Bulk Densities",

abstract = "Abstract: Multi-walled carbon nanotubes (MWNTs) were investigated before and after carboxylic acid functionalization. Here, the comparative analysis of MWNTs with different bulk densities reveals similar Raman and FTIR spectra before and after acid functionalization except for minor differences. However thermal analyses exhibited some basic differences for both MWNTs before and after acid treatment. We investigated the cytotoxicity of two MWNTs on HT-29 and HEK293-T cells through three different methods: MTT assay, DAPI staining, and xCELLigence real-time cell analyzing method. It was observed that high bulk density affects the cytotoxicity for both cell lines and in all methods. Because the acid treatment lowered the bulk density, after acid treatment, the MWNTs with the higher bulk density (C150P) elicited similar cytotoxicity compared to the lower one (C70P).",

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author = "Bircan Dinc and Recep Ustunsoy and Ayhan Unlu and Mehdi Meran and Nilg{\"u}n Karatepe and Muhammet Bektas",

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doi = "10.1134/S0036024422130027",

language = "English",

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T1 - A Comparative Study of Short Multi-Walled Carbon Nanotubes with Different Bulk Densities

AU - Dinc, Bircan

AU - Ustunsoy, Recep

AU - Unlu, Ayhan

AU - Meran, Mehdi

AU - Karatepe, Nilgün

AU - Bektas, Muhammet

PY - 2022/12

Y1 - 2022/12

N2 - Abstract: Multi-walled carbon nanotubes (MWNTs) were investigated before and after carboxylic acid functionalization. Here, the comparative analysis of MWNTs with different bulk densities reveals similar Raman and FTIR spectra before and after acid functionalization except for minor differences. However thermal analyses exhibited some basic differences for both MWNTs before and after acid treatment. We investigated the cytotoxicity of two MWNTs on HT-29 and HEK293-T cells through three different methods: MTT assay, DAPI staining, and xCELLigence real-time cell analyzing method. It was observed that high bulk density affects the cytotoxicity for both cell lines and in all methods. Because the acid treatment lowered the bulk density, after acid treatment, the MWNTs with the higher bulk density (C150P) elicited similar cytotoxicity compared to the lower one (C70P).

AB - Abstract: Multi-walled carbon nanotubes (MWNTs) were investigated before and after carboxylic acid functionalization. Here, the comparative analysis of MWNTs with different bulk densities reveals similar Raman and FTIR spectra before and after acid functionalization except for minor differences. However thermal analyses exhibited some basic differences for both MWNTs before and after acid treatment. We investigated the cytotoxicity of two MWNTs on HT-29 and HEK293-T cells through three different methods: MTT assay, DAPI staining, and xCELLigence real-time cell analyzing method. It was observed that high bulk density affects the cytotoxicity for both cell lines and in all methods. Because the acid treatment lowered the bulk density, after acid treatment, the MWNTs with the higher bulk density (C150P) elicited similar cytotoxicity compared to the lower one (C70P).

KW - MWNT

KW - bulk density

KW - calorimetric techniques

KW - cytotoxicity

KW - spectroscopic techniques

KW - xCELLigence

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ER -

A Comparative Study of Short Multi-Walled Carbon Nanotubes with Different Bulk Densities

Abstract

Keywords

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