Safety Profile of TiO₂-Based Photocatalytic Nanofabrics for Indoor Formaldehyde Degradation.

Abstract:

:Anatase TiO₂ nanoparticles (TNPs) are synthesized using the sol-gel method and loaded onto the surface of polyester-cotton (65/35) fabrics. The nanofabrics degrade formaldehyde at an efficiency of 77% in eight hours with visible light irradiation or 97% with UV light. The loaded TNPs display very little release from nanofabrics (~0.0%) during a standard fastness to rubbing test. Assuming TNPs may fall off nanofabrics during their life cycles, we also examine the possible toxicity of TNPs to human cells. We found that up to a concentration of 220 μg/mL, they do not affect viability of human acute monocytic leukemia cell line THP-1 macrophages and human liver and kidney cells.

journal_name

Int J Mol Sci

authors

Cui G,Xin Y,Jiang X,Dong M,Li J,Wang P,Zhai S,Dong Y,Jia J,Yan B

doi

10.3390/ijms161126055

subject

Has Abstract

pub_date

2015-11-19 00:00:00

pages

27721-9

issue

11

issn

1422-0067

pii

ijms161126055

journal_volume

16

pub_type

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