Development of a surface plasmon resonance biosensor for accurate and sensitive quantitation of small molecules in blood samples.

"Declaration of competing interest The authors declare that there are no conflicts of interest."

"This study was sponsored by the 10.13039/501100001809National Natural Science Foundation of China (Grant No.: 82174092), 10.13039/501100003399Science and Technology Commission of Shanghai Municipality (Grant No.: 21ZR1483000), and Shanghai Pujiang Program (Grant No.: 21PJD083). Minyu Qi: Methodology, Validation, Formal analysis, Investigation, Data curation, Writing - Original draft preparation, Reviewing and Editing; Diya Lv: Methodology, Resources, Data curation, Writing - Reviewing and Editing; Ying Zhang: Visualization; Dongyao Wang: Validation; Xiaofei Chen: Resources; Zhenyu Zhu: Resources; Zhanying Hong: Resources, Investigation; Yifeng Chai: Supervision, Conceptualization; Hai Zhang: Conceptualization, Resources, Writing - Reviewing and Editing; Yan Cao: Supervision, Conceptualization, Methodology, Validation, Writing - Original draft preparation, Reviewing and Editing, Funding acquisition."