Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 21, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/ijms21041529
Keywords
boron nitride nanotube; purification; encapsulation; dispersion
Funding
- R&D Convergence Program of National Research Council of Science and Technology [CAP-15-10-KRICT]
- Korea Research Institute of Chemical Technology [SKO1930-20, SI2031-50]
- Korea Institute of Science and Technology - Ministry of Trade, Industry, and Energy (MOTIE, Korea) [2E30633, 20000479]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20000479] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Commercially available boron nitride nanotubes (BNNTs) and their purified form (pBNNTs) were dispersed in aqueous solutions with various dispersants, and their cytotoxicity and drug encapsulation capacity were monitored. Our data suggest that pBNNTs showed an average increase in dispersibility of 37.3% in aqueous solution in the presence of 10 different dispersants. In addition, 100 mu g of pBNNTs induced an average decrease in cytotoxicity of 27.4% compared to same amount of BNNTs in normal cell lines. The same amount of pBNNTs can encapsulate 10.4-fold more drug (camptothecin) compared to BNNTs. These data suggest that the purification of BNNTs improves several of their properties, which can be applied to biological experiments and are thus essential in the biological application of BNNTs.
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