A turn-on type vapofluorochromic methoxybenzylidene methanone Schiff base applied to wearable VOC sensor and smartphone-based detection

Zhang, Yu; Zhao, Xinyi; Xu, Lingfan; Duan, Yuai; Yuan, Jing; Li, Zhongfeng; Han, Tianyu

doi:10.1016/j.snb.2023.134834

Cited by 3 publications

(2 citation statements)

References 29 publications

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“…Thermochromic materials have recently been utilized for sensing temperature changes by colorimetric measurements. , A sensor embedded with PC and thermochromic TC materials can simultaneously sense UV radiation and temperature changes . Qinghua Meng et al developed a smartphone-based sensor for UV index, but the manufacturing method utilized was coating of photochromic material . To enhance the repeatability and durability of the wearable sensor, advanced technologies such as additive manufacturing can be used for their manufacture.…”

Section: Introductionmentioning

confidence: 99%

“… 16 Qinghua Meng et al developed a smartphone-based sensor for UV index, but the manufacturing method utilized was coating of photochromic material. 22 To enhance the repeatability and durability of the wearable sensor, advanced technologies such as additive manufacturing can be used for their manufacture. The advent of 3D printing has enabled the fabrication of complex structures with the controlled growth of multiple materials for colorimetric sensing applications.…”

Section: Introductionmentioning

confidence: 99%

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3D-Printed Smartwatch Fabricated via Vat Photopolymerization for UV and Temperature Sensing Applications

Alam,

Alsharif,

AlModaf

et al. 2024

ACS Omega

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Ultraviolet (UV) exposure overdose can cause health issues such as skin burns or other skin damage. In this work, a UV and temperature sensor smartwatch is developed, utilizing a multimaterial 3D printing approach via a vat photopolymerization−digital light processing technique. Photochromic (PC) pigments with different UV sensitivities, UVA (315−400 nm) and UVB (315−280 nm), were utilized to cover a wider range of UV exposure and were mixed in transparent resin, whereas the smartwatch was printed with controlled thickness gradients. A multifunctional sensor was next fabricated by adding a thermochromic (TC) material to PC, which is capable of sensing UV and temperature change. Colorimetric measurements assisted by a smartphone-based application provided instantaneous as well as cumulative UV exposure from sunlight. The mechanical properties of the device were also measured to determine its durability. The prototype of the wearable watch was prepared by fixing the 3D-printed dial to a commercially available silicon wristband suitable for all age groups. The 3D-printed watch is water-resistant and easily removable, allowing for its utilization in multiple outdoor activities. Thus, the developed wearable UV sensor alerts the user to the extent of their UV exposure, which can help protect them against overexposure.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

3D-Printed Smartwatch Fabricated via Vat Photopolymerization for UV and Temperature Sensing Applications

Alam,

Alsharif,

AlModaf

et al. 2024

ACS Omega

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An ultrasensitive lysosome-targeting NIR fluorescence probe for detection of hydroxyl radical during ferroptosis and cuproptosis

Luo,

Rao,

Wei

et al. 2025

Sensors and Actuators B: Chemical

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Viewpoints Concerning Crystal Structure from Recent Reports on Schiff Base Compounds and Their Metal Complexes

Akitsu,

Nakane,

Miroslaw

2024

Symmetry

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Schiff bases are organic compounds that are often used as ligands in metal complexes. In addition to the C=N double bond, which is characteristic of Schiff bases, intermolecular hydrogen bonds are frequently observed in both the twisting of planar substituents in organic compounds and the geometric structure of the coordination environment in metal complexes. The results of the crystal structure analyses are stored in databases, which can be used to assess three-dimensional structures. To examine the important structural aspects for novel molecular and material designs, this review examines the important discussion of crystal structure “features” from various viewpoints based on papers on Schiff bases and Schiff base metal complexes from recent years.

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A turn-on type vapofluorochromic methoxybenzylidene methanone Schiff base applied to wearable VOC sensor and smartphone-based detection

Cited by 3 publications

References 29 publications

3D-Printed Smartwatch Fabricated via Vat Photopolymerization for UV and Temperature Sensing Applications

3D-Printed Smartwatch Fabricated via Vat Photopolymerization for UV and Temperature Sensing Applications

An ultrasensitive lysosome-targeting NIR fluorescence probe for detection of hydroxyl radical during ferroptosis and cuproptosis

Viewpoints Concerning Crystal Structure from Recent Reports on Schiff Base Compounds and Their Metal Complexes

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