Analytical instruments, highly sensitive optical detectors and special sensors.

We are recruiting graduate students majoring in analytical chemistry, majoring in physics, chemistry, instrumentation, environment and other related majors for undergraduate study. The research direction is highly sensitive optical detector and special sensor.

2020/07-present: Dalian Institute of Chemical Physics, CAS, Professor

2015/07-2020/06: Dalian Institute of Chemical Physics, CAS, Associate Professor

2013/07-2015/06: Dalian Institute of Chemical Physics, CAS, Assistant Professor

2007/09-2013/07: Dalian Institute of Chemical Physics, CAS, Ph.D, Analytical Chemistry

2003/09-2007/07: Dalian University of Technology, B.S., Applied Physics

1. Shihao Lu, Yan Gao, Xuhui Geng*, Yafeng Guan*, Peltier Thermoelectric Cooler Improves Both the Signal-to-noise Ratio and Warm-up Time of High-power LED Induced Fluorescence Detector and Application to Aflatoxins. Analytica Chimica Acta, 2022, 1192: 339392.

2. Yi Duan, Chuanliang Wang, Xuhui Geng*, Guiqiu Wang*, Yafeng Guan, A highly sensitive optical fiber based near-infrared laser induced fluorescence detector (LIF) for parathyroid gland detection. Sensors and Actuators B: Chemical, 2022, 364: 131879.

3. Xu-Hui Geng, Ya-Feng Guan*, Research highlight on CJAC-LED induced fluorescence detector. Chinese Journal of Analytical Chemistry, 2022, 50: 100084.

4. Chunfeng Duan, Jiamin Li, Yuanhao Zhang, Kun Ding, Xuhui Geng, Yafeng Guan*, Portable instruments for on-site analysis of environmental samples. Trends in Analytical Chemistry, 2022, 154: 116653.

5. Lanxiu Ni, Shenghong Li, Kun Ding, Xuhui Geng, Chunfeng Duan, Yafeng Guan*, Enhancement of Chemiluminescence Intensity of S2* in Non-premixed Hydrogen Microjet Flame in the Photometric Detector for Sulfur Detection. Analytical Chemistry, 2021, 93(4), 1969-1975.

6. Lanxiu Ni#, Xuhui Geng#, Shenghong Li, Haijing Ning, Yan Gao, Yafeng Guan*, A flame photometric detector with a silicon photodiode assembly for sulfur detection. Talanta, 2020, 207, 120283.

7. Fan Dang#, Xuhui Geng#, Jiamin Li, Jihui Wang∗, Yafeng Guan∗, A miniaturized and high sensitive dual channel fluorimeter based on compact collinear optical arrangement. Talanta, 2020, 211, 120698.

8. Qiuying Xi#, Meng Shi#, Xuihui Geng*, Xiaona Wang*, Yafeng Guan*, Spherical dichroic reflector improves limit of detection in laser-induced fluorescence detection. Analytical Chemistry, 2020, 92(13), 8680-8684.

9. Nan Wang, Chunfeng Duan, Shenghong Li, Xuhui Geng, Kun Ding, Yafeng Guan*, Aqueous extraction followed by dispersive solid phase extraction with in situ derivatization for the determination of aflatoxins in traditional Chinese medicines. Journal of Chromatography A, 2020, 1618, 460894.

10. Nan Wang, Chunfeng Duan, Xuhui Geng, Shenghong Li, Kun Ding, Yafeng Guan*, One step rapid dispersive liquid-liquid micro-extraction with in-situ derivatization for determination of aflatoxins in vegetable oils based on high performance liquid chromatography fluorescence detection. Food Chemistry, 2019, 287, 333-337.

11. Meng Shi, Xuhui Geng*, Chengye Wang, Yafeng Guan*, Quantification of low copy number proteins in single cells. Analytical Chemistry, 2019, 91(18), 11493-11496.

12. Xuhui Geng#, Meng Shi#, Haijing Ning, Chunbo Feng, Yafeng Guan*, A compact and low-cost laser induced fluorescence detector with silicon based photodetector assembly for capillary flow systems. Talanta, 2018, 182, 279-284.

13. Xuhui Geng#, Nan Wang#, Yan Gao, Haijing Ning, Yafeng Guan*, A novel HPLC flow cell integrated UV light emitting diode induced fluorescence detector as alternative for sensitive determination of aflatoxins. Analytica Chimica Acta, 2018, 1033, 81-86.

14. Xuhui Geng, Yan Gao, Chunbo Feng, Yafeng Guan*, A facile and high sensitive micro fluorimeter based on light emitting diode and photodiode. Talanta, 2017, 175, 183-188.

15. Xuhui Geng, Dapeng Wu, Yafeng Guan*, A compact and highly sensitive light-emitting diode-induced fluorescence detector for capillary flow systems. Talanta, 2012, 88(15), 463-467.

16. Qian Wu, Dapeng Wu, Xuhui Geng, Zheng Shen, Yafeng Guan*, Hollow fiber-based liquid-liquid-liquid micro-extraction with osmosis: I. Theoretical simulation and verification.J. Chromatogr. A, 2012, 1248, 32-40.

17. Xuhui Geng, Dapeng Wu, Qian Wu, Yafeng Guan*, Signal-to-noise ratio enhancement of the compact light-emitting diode-induced fluorescence detector. Talanta, 2012, 100, 27-31.

(1)   Development of high-sensitive and miniaturized fluorescence detectors.

(2)   Research on in-situ fluorescence sensors and calibration methods for deep sea/deep space application.

(3)   Applications of micro fluorescence detectors in emergency events such as COVID-19 and African swine fever.

Institute of Deep-sea Science and Engineering,Chinese Academy of Sciences

Dalian Maritime University

Shenyang Institute of Automation,Chinese Academy of Sciences

Academy of Military Medical Sciences

Shihao Lu, Analytical chemistry

Chuanliang Wang, Analytical chemistry

Yulu Jiang, Analytical chemistry

Ruqian Peng, Analytical chemistry

Yuanhao Zhang, Analytical chemistry

     (1)   National Ten Thousand Talent Program - Young Top-Notch Talent, 2022

(2)   First Prize of Science and Technology Progress Award from the China Instrument and Control Society, 2022

(3)   Special Core Position of the Chinese Academy of Sciences, 2022

(4)   Secretary-General of the Engineering and Equipment Branch of the Youth Innovation Promotion Association, CAS, 2022

(5)   First Prize of Tianjin Science and Technology Progress Award, 2021

(6)   Deputy Secretary-General of the Analytical Instrument Branch of the China Instrument and Control Society, 2020

(7)   Liaoning Province "Xingliao Elite Plan" Top Young Talents, 2020

(8)   Vice Chairman of Youth Working Committee of China Instrument and Control Society, 2019

(9)   First Prize of Dalian Technological Invention Award, 2019

(10)  Member in Youth Elite Scientist Sponsorship Program by China Association for Science and Technology, 2017

Liaoning BaiQianWan Talents Program, 2017

      (11)  Young Science and Technology Talent Award by China Instrument and Control Society, 2016