Novel Portable Sensor for Simultaneous Monitoring of Oxygen and Temperature

Huimin Cao; Faguang Li; Lerong Dai; Chao Wu; Dongyun Zheng; Chunnan Zhu

doi:10.3788/AOS201939.0628004

Acta Optica Sinica, Volume. 39, Issue 6, 0628004(2019)

Novel Portable Sensor for Simultaneous Monitoring of Oxygen and Temperature

Huimin Cao^1,2,3、*, Faguang Li^1,2,3, Lerong Dai^1,2,3, Chao Wu^1,2,3, Dongyun Zheng^1,2,3, and Chunnan Zhu^1,2,3

Author Affiliations

¹ College of Biomedical Engineering, South-Central University for Nationalities, Wuhan, Hubei 430074, China

² Key Laboratory of Brain Cognitive Science, State Ethnic Affairs Commission, South-Central University for Nationalities, Wuhan, Hubei 430074, China

³ Hubei Key Laboratory of Medical Information Analysis & Tumor Diagnosis and Treatment, Wuhan, Hubei 430074, China;

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Figures & Tables(13)

Fig. 1. Schematics of sensors. (a) 2 μL AFC film; (b) 2 μL PtTFPP film; (c) 2 μL Rh110 film; (d) 2 μL mixed film; (e) without film

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Fig. 2. Dual-sensor performance detection device

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Fig. 3. Block diagram of hardware function of sensing system

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Fig. 4. Fluorescence spectra of PtTFPP, AFC, and Rh110 at room temperature

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Fig. 5. Fluorescence quenching response spectra of oxygen-sensitive material

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Fig. 6. Fluorescence quenching response spectra of temperature-sensitive material

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Fig. 7. Relationship between fluorescence intensity ratio and oxygen concentration

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Fig. 8. Relationship between fluorescence intensity ratio and temperature

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Fig. 9. Relationship between fluorescence intensity and oxygen concentration under different temperatures

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Table 1. Experimental reagents and related parameters

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Table 1. Experimental reagents and related parameters

Reagent	Supplier	Purity
PtTFPP	Alfa Aesar	≥99.0%
Rh110	Alfa Aesar	≥99.0%
AFC	Sigma-Alorich	≥99.0%
TEOS	Sinopharm Chemical	≥95.0%
Octyl-tri EOS	Sinopharm Chemical	≥95.0%
TESPIC	Sinopharm Chemical	≥95.0%
Triton-X-100	Wuhan Shenshi	Chemical pure
THF	Wuhan Shenshi	Analytical pure

Table 2. List of experimental instruments

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Table 2. List of experimental instruments

Instrument	Specification type	Producer
Magnetic heating stirrer	79-2	Jintan China
Digital ultrasonic cleaner	KQ3200DB	Kunshan China
Centrifuge	D-37520	Wuhan China
Rotary evaporator	RE-52AA	Shanghai China
Fluorescence spectrophotometer	F-7000	Hitachi High-Technologies
Electron microscopes	SU8010	Hitachi High-Technologies

Table 3. Measurement value and accuracy of oxygen concentration
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Table 3. Measurement value and accuracy of oxygen concentration
Standard value /% 3 6 9 12 15 18 21 24 27 30
Measured value /% 2.88 5.71 9.32 11.58 15.23 18.39 21.36 24.41 27.22 30.15
Bias /% -4.00 -4.83 3.56 3.50 1.53 2.17 1.71 1.71 0.81 0.50

Table 4. Measurement value and accuracy of temperature
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Table 4. Measurement value and accuracy of temperature
Standard value /℃ 5 15 25 35 45 55 65 75
Measured value /℃ 4.12 14.26 24.86 34.17 46.83 56.24 63.85 72.85
Bias /% -17.60 -4.93 -0.56 -2.37 4.07 2.25 -1.77 -2.87

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Huimin Cao, Faguang Li, Lerong Dai, Chao Wu, Dongyun Zheng, Chunnan Zhu. Novel Portable Sensor for Simultaneous Monitoring of Oxygen and Temperature[J]. Acta Optica Sinica, 2019, 39(6): 0628004

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