Alterations in functional connectivity of executive control network reveal influence of indoor toluene on cognition at low concentration

Zhan, Chesheng; Liu, Junjie; Cui, Mingrui; Wu, Wenjuan; Hao, Fang; Wang, Zukun; Liu, Jie; Zhang, Xin; Pan, Liping; Deng, Meili; Su, Xiao; Wang, Jiajing; Pei, Jingjing; Zhao, Liwei; Song, Yijun

doi:10.1016/j.buildenv.2023.110031

Cited by 4 publications

(1 citation statement)

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“…[4][5][6]. It is reported that short-term exposure to 70 ppb of toluene may negatively affect the cognitive function of the brain [7]. Furthermore, toluene is reported to be a vital biomarker in the diagnosis of lung cancer.…”

Section: Introductionmentioning

confidence: 99%

Porous, Tremella-like NiFe2O4 with Ultrathin Nanosheets for ppb-Level Toluene Detection

Zhang

Cheng

et al. 2023

Crystals

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As a typical spinel ferrite, NiFe2O4 is suitable for use in gas sensors. Herein, we report the fabrication of porous, tremella-like NiFe2O4 assembled using porous, ultrathin nanosheets via the coordination of Ni2+ and Fe2+ with 1,4-phenylenediboronic acid. The optical band gap of the NiFe2O4 is estimated to be about 1.7 eV. Furthermore, the NiFe2O4 sensor annealed at 400 °C exhibits a low detection limit of 50 ppb, a fast response/recovery time (11.6 s/41.9 s to 10 ppm toluene), good reproducibility, and long-term stability at 220 °C. The suitable sensing performances can be attributed to the good catalytic activity of NiFe2O4 to toluene oxidation. Moreover, the ultrathin nanosheets with porous structures provide a large number of active sites to significantly favor the diffusion and adsorption/desorption of toluene molecules. This current work provides an insight into fabricating NiFe2O4 using 1,4-phenylenediboronic acid, which is promising for ppb-level toluene detection.

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Section: Introductionmentioning

confidence: 99%