Research of Bovine Serum Albumin Sensor Based on Terahertz Metamaterials

Zhuorui Zheng; Hui Zhong; Yongxiao Nie; Ting Lin; Yifei Fang; Liwei Song; Ye Tian

doi:10.3788/CJL230881

Chinese Journal of Lasers, Volume. 50, Issue 17, 1714017(2023)

Research of Bovine Serum Albumin Sensor Based on Terahertz Metamaterials

Zhuorui Zheng^1,4, Hui Zhong^1、*, Yongxiao Nie^1,2, Ting Lin^1,3, Yifei Fang¹, Liwei Song^1,4, and Ye Tian^1,4

¹State Key Laboratory of High Field Laser Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China

²School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China

³College of Optical-Electrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China

⁴Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100049,China

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Figures & Tables(7)

Fig. 1. Schematic of experimental set up with micrographs of metamaterials without determinand and with dry determinand shown in inset

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Fig. 2. Transmission spectra before and after placing metamaterials in optical path

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Fig. 3. Transmittance curves and corresponding Gaussian fitting curves under different volume mass values of determinands. (a) 2 mg/mL; (b) 3 mg/mL; (c) 4 mg/mL; (d) 8 mg/mL

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Fig. 4. Sensor resonance frequency offset versus volume mass of determinand

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Fig. 5. Transmittance curves and corresponding Gaussian fitting curves under different volume mass values of determinands. (a) 1.0 mg/mL; (b) 0.3 mg/mL; (c) 0.2 mg/mL

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Table 1. Resonance frequencies and frequency offsets under different volume mass values of determinands

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Table 1. Resonance frequencies and frequency offsets under different volume mass values of determinands

Volume mass / （mg·mL^-1）	Resonance peak without determinand /GHz	Resonance peak with determinand /GHz	∆f /GHz
2	804.8798	794.4449	10.4349
3	805.2425	792.9379	12.3046
4	800.5992	786.5225	14.0767
8	802.9098	782.5585	20.3513

Table 2. Resonance frequencies and frequency offsets under different volume mass values of determinands
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Table 2. Resonance frequencies and frequency offsets under different volume mass values of determinands
Volume mass /
（mg·mL^-1）
Resonance peak
without determinand /GHz
Resonance peak
with determinand /GHz
∆f /GHz
1.0 800.8577 798.8537 2.0040
0.3 800.1836 799.3107 0.8729
0.2 801.6216 801.5831 0.0385

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Zhuorui Zheng, Hui Zhong, Yongxiao Nie, Ting Lin, Yifei Fang, Liwei Song, Ye Tian. Research of Bovine Serum Albumin Sensor Based on Terahertz Metamaterials[J]. Chinese Journal of Lasers, 2023, 50(17): 1714017

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Paper Information

Category: terahertz technology

Received: Jun. 1, 2023

Accepted: Aug. 1, 2023

Published Online: Sep. 1, 2023

The Author Email: Zhong Hui (zhonghui@siom.ac.cn)

DOI:10.3788/CJL230881

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Resonance frequencies and frequency offsets under different volume mass values of determinands

Table 1. Resonance frequencies and frequency offsets under different volume mass values of determinands

Table 2. Resonance frequencies and frequency offsets under different volume mass values of determinands

Table 2. Resonance frequencies and frequency offsets under different volume mass values of determinands