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Non-invasive Healthcare Analytical Platform Based on Organic Electrochemical Transistors

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CHEMICAL RESEARCH IN CHINESE UNIVERSITIES 2024年第5期40卷 824-841页

作者： Hu, Xingyu Mao, Ning Yan, Xinwen Huang, Ling Liu, Xu yang, huige Sun, Qingqing Liu, Xuying Jia, Hanyu Zhengzhou Univ Sch Mat & Engn Zhengzhou 450001 Peoples R China Longmen Lab Sci & Technol Innovat Ctr Adv Mat Intelligent Equi Luoyang 471000 Peoples R China South Cent Univ Nationalities Hubei R&D Ctr Hyperbranched Polymers Synth & Appli Key Lab Catalysis & Energy Mat Chem Minist Educ Wuhan 430074 Peoples R China South Cent Univ Nationalities Hubei R&D Ctr Hyperbranched Polymers Synth & Appli Hubei Key Lab Catalysis & Mat Sci Wuhan 430074 Peoples R China

Non-invasive bioelectronics, especially organic electrochemical transistors (OECTs), have drawn extensive attentions of academical and medical communities by virtue of their efficient bio-electronic interfacing, water-involved ionic transport, excellent ionic-electronic coupling, ultralow power consumption, wide detectable range, and outstanding detection sensitivity. Designable structure diversity, low-temperature solution processability, facile bio/chemical functionalization, and excellent biocompatibility of organic mixed ionic-electronic conductors (OMIECs) render OECTs particularly suitable for non-invasive or minimally invasive healthcare analytical platform. Here, we comprehensively review recent advances of the non-invasive analytical healthcare applications based on OECTs, especially on the detection of biomarkers or metabolites in the excretory biofluids, as well as the recording of electrophysiological signals. A brief introduction of OECT and its comparison with other organic thin-film transistors upon device configuration and working mechanism are firstly discussed. State-of-the-art non-invasive OECT-based biosensors are summarized on their detection of ionic and molecular biomarkers, following with circuit design strategies of OECTs for real-time and in-situ electrophysiological recording from skin surface. In conclusion, remaining barriers and future challenges of non-invasive OECT-based bioelectronics towards lower detection limit, more accurate quantitative relationship between analyte concentrations and measured parameters, more intimate device-tissue interface, and long-term operation stability are deeply analyzed with a critical outlook.

关键词： Organic electrochemical transistor Non-invasive Bioelectronics Ion-selective Electrophysiological monitoring SENSITIVITY ION DETECTION

基于HS-GC-Orbitrap联用定性与定量测定活血止痛膏挥发性成分

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药学研究 2024年第6期43卷 559-563,593页

作者：刘鹏鸣李锋武杨会鸽西安市食品药品检验所陕西西安710119

目的建立活血止痛膏中挥发性成分定性、定量检测方法。方法采用顶空进样-气相色谱-静电场轨道阱质谱(HS-GC-Orbitrap)技术进行分析。样品除去背膜,以乙腈为溶剂,顶空进样;以高纯氦气为载气,TG-5SILMS色谱柱,程序升温,恒压模式,电子轰击... 详细信息

目的建立活血止痛膏中挥发性成分定性、定量检测方法。方法采用顶空进样-气相色谱-静电场轨道阱质谱(HS-GC-Orbitrap)技术进行分析。样品除去背膜,以乙腈为溶剂,顶空进样;以高纯氦气为载气,TG-5SILMS色谱柱,程序升温,恒压模式,电子轰击源(EI源),全扫描监测模式测定。结果可定性活血止痛膏中5味药的12个主要成分,同时定量测定樟脑、异龙脑、龙脑、薄荷脑、水杨酸甲酯和丁香酚等6个成分。结论研究建立的方法提升了活血止痛膏质量控制水平,操作简便。

关键词：活血止痛膏樟脑异龙脑龙脑薄荷脑水杨酸甲酯丁香酚静电场轨道阱质谱

Regulating intramolecular hydrogen bonds of p-phenylenediimidazole-based small-molecule compounds towards the enhanced lithium storage capacity

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Journal of Energy Chemistry 2024年第9期96卷 406-413页

作者： Liping Zheng Bei Wang Jianze Zhang Wenjie Zhou Jiayi Ren huige Ma Rui Li Chengming Li Mingjun Hu Jun yang Institute for Advanced Materials and Technology University of Science and Technology BeijingBeijing 100083China Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of SciencesBeijing 101400China College of Chemistry Nankai UniversityTianjin 300071China School of Materials Science and Engineering Beihang UniversityBeijing 100191China ShenSi Lab Shenzhen Institute for Advanced StudyUniversity of Electronic Science and Technology of ChinaShenzhen 518110GuangdongChina

The use of redox-active organic electrode materials in energy storage is restricted due to their inferior solvent resistance,abysmal conductivity,and the resultant low practical *** address these issues,a class of bipolar p-phenylenediimidazole-based small-molecule compounds are designed and ***π-conjugated backbone of these small molecules allows for electron delocalization on a big conjugation plane,endowing them with good conductivity and reaction ***,when the para-positions of phenylene are occupied by hydroxyl groups,as-formed intramolecular hydrogen bonds(N-H...O)between phenolic hydroxyl groups and the–NH groups of imidazole rings further enhance the structural planarity,resulting in higherπ-conjugation degree and better conductivity,and thus higher utilization of active sites and electrode capacity,proved by both experimental results and theoretical *** optimized composite electrode DBNQ@rGO-45 shows a high specific capacity(∼308 mA h g^(−1)at 100 mA g^(−1))and a long cycling stability(112.9 mA h g^(−1)after 6000 cycles at 2000 mA g^(−1)).The significantly better electrochemical properties for hydroxyl group-containing compounds than those without hydroxyl groups attributed to intramolecular hydrogen bond-induced conjugation enhancement will inspire the structure design of organic electrodes for better energy storage.

关键词： Bipolar P-phenylenedimidazole Intramolecular hydrogenbonds Planarity and conjugationd egree High capacity

Steric hindrance modulation of hexaazatribenzanthraquinone isomers for high-capacity and wide-temperature-range aqueous proton battery

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National Science Review 2024年第4期11卷 271-282页

作者： Mingsheng yang Yuxin Hao Bei Wang Yan Wang Liping Zheng Rui Li huige Ma Xinyu Wang Xiaoming Jing Hongwei Li Mengxiao Li Zhihui Wang Yujie Dai Guangcun Shan Mingjun Hu Jun Luo Jun yang School of Materials Science and Engineering Beihang University Beijing Institute of Nanoenergy &Nanosystems Chinese Academy of Sciences Center on Nanoenergy Research School of Physical Science & TechnologyGuangxi University School of Chemistry and Chemical Engineering Center on Nanoenergy Research Guangxi University School of Instrumentation Science and Opto-electronics Engineering Beihang University ShenSi Lab Shenzhen Institute for Advanced StudyUniversity of Electronic Science and Technology of China

Organic materials with rich active sites are good candidates of high-capacity anodes in aqueous batteries,but commonly low utilization of active sites limits their ***,two isomers,symmetric and asymmetric hexaazatribenzanthraquinone（s-HATBAQ and a-HATBAQ）,with rich active sites have been synthesized in a controllable *** has been revealed for the first time that a sulfuric acid catalyst can facilitate the stereoselective formation of *** to the reduced steric hindrance in favor of proton insertion as well as the amorphous structure conducive to electrochemical dynamics,s-HATBAQ exhibits 1.5 times larger specific capacity than ***,the electrode of s-HATBAQ with50% reduced graphene oxide（s-HATBAQ-50%rGO） delivers a record high specific capacity of405 mAh g-1in ***,the assembled MnO2//s-HATBAQ-50%rGO aqueous proton full batteries show an exceptional cycling stability at 25℃ and can maintain ～92% capacity after1000 cycles at 0.5 A g-1at-80℃.This work demonstrates the controllable synthesis of isomers,showcases a wide-temperature-range prototype proton battery and highlights the significance of precise mole cular structure modulation in organic energy storage.

关键词： stereoisomers steric effect aqueous battery super cycling stability ultra-low temperature proton battery

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聚丁二酸丁二醇酯疏水薄膜的制备与性能研究

中国塑料 2017年第6期31卷 22-27页

作者：罗刘闯宗杨杨会歌申小清陈金周郑州大学材料科学与工程学院河南郑州450001

以氯仿为溶剂、无水乙醇为非溶剂,利用聚合物微相分离原理,制备了具有强疏水性的生物可降解聚丁二酸丁二醇酯(PBS)薄膜材料,探究了PBS浓度和非溶剂含量等因素对所制薄膜的润湿性、结晶性、黏附力以及表面形貌的影响。结果表明,通过改变... 详细信息

以氯仿为溶剂、无水乙醇为非溶剂,利用聚合物微相分离原理,制备了具有强疏水性的生物可降解聚丁二酸丁二醇酯(PBS)薄膜材料,探究了PBS浓度和非溶剂含量等因素对所制薄膜的润湿性、结晶性、黏附力以及表面形貌的影响。结果表明,通过改变PBS浓度和非溶剂的含量,得到不同的表面微观形貌,接触角随着非溶剂含量的增加而增大,最大为142.5°,比未处理PBS薄膜的接触角增大了60°左右;结晶度越大,材料对水的接触角越大;所得到的薄膜材料均为具有高黏附性的类玫瑰花效应的疏水表面。

关键词：聚丁二酸丁二醇酯疏水材料非溶剂相分离高黏附性

Vibration properties of Paulownia wood for Ruan sound quality using machine learning methods

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Journal of Forestry Research 2024年第5期35卷 216-222页

作者： yang yang College of Art and Design Harbin UniversityHarbin 150076People’s Republic of China College of Mechanical and Electrical Engineering Northeast Forestry UniversityHarbin 150040People’s Republic of China

As an important material for manufacturing resonant components of musical instruments,Paulownia has an important influence on the sound quality of *** this paper,a model for evaluating the sound quality of Ruan based on the vibration characteristics of wood is developed using machine learning ***,the selection of materials for Ruan manufacturing relies primarily on manually weighing,observing,striking,and listening by the instrument *** in scientific theory have hindered the quality of the finished *** this study,nine Ruans were manufactured,and a prediction model of Ruan sound quality was proposed based on the raw material information of *** of a total of 180 data sets,145 and 45 sets were chosen for training and validation,*** this paper,typical correlation analysis was used to determine the correlation between two single indicators in two adjacent pairwise combinations of the measured objects in each stage of the production process in *** vibra-tion characteristics of the wood were tested,and a model for predicting the evaluation of Ruan’s acoustic qualities was developed by measuring the vibration characteristics of the resonating plate *** acoustic quality of the Ruan sound board wood was evaluated and predicted using machine learning model generalized regression neural *** results show that the prediction of Ruan sound quality can be achieved using Matlab simulation based on the vibration characteristics of the soundboard *** the model-predicted values were compared with the tradi-tional predicted results,it was found that the generalized regression neural network had good performance,achieving an accuracy of 93.8%which was highly consistent with the experimental *** was concluded that the model can accurately predict the acoustic quality of the Ruan based on the vibration performance of the soundboards.

关键词： Sound quality Wood vibration performance Paulownia wood Machine learning methods

Overview of radar detection methods for low altitude targets in marine environments

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Journal of Systems Engineering and Electronics 2024年第1期35卷 1-13页

作者： yang Yong yang Boyu School of Electronic Science National University of Defense TechnologyChangsha 410073China

In this paper,a comprehensive overview of radar detection methods for low-altitude targets in maritime environments is presented,focusing on the challenges posed by sea clutter and multipath *** performance of the radar detection methods under sea clutter,multipath,and combined conditions is categorized and summarized,and future research directions are outlined to enhance radar detection performance for low-altitude targets in maritime environments.

关键词： radar sea clutter multipath scattering detection low altitude target

Fresh-Keeping Decision and Coordination of Fresh Agricultural Product Supply Chain Considering Carbon Cap-and-Trade under Different Dominance

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Journal of Systems Science and Systems Engineering 2024年第1期33卷 30-51页

作者： yang yang Guanxin Yao China Institute for Agricultural Equipment Industrial Development Jiangsu UniversityZhenjiang212013China Jiangsu Modern Logistics Research Base Yangzhou UniversityYangzhou225009China

In the context of low carbon,this paper discussed the impact of the carbon cap-and-trade policy on the fresh-keeping decision-making of two-echelon fresh agricultural product supply chains under different dominance,and designed cost-sharing contracts to coordinate the supply chain of fresh agricultural products dominated by suppliers and retailers *** results showed that:dominance has no effect on the fresh-keeping decision and total revenue of fresh agricultural product supply chain,but it affects the internal income distribution,and dominance does not always bring more benefits;the implementation of carbon cap-and-trade reduces the fresh-keeping decision-making of fresh agricultural products supply chain and reduces the free-rider income of followers;the role of higher carbon trading price is twofold,which not only brings about the speculation of leading enterprises,but also promotes the application of low-carbon technologies;consumers’high preference for freshness,low-cost and high-efficiency low-carbon technology are all conducive to improving the fresh-keeping efforts and benefits of the supply chain;cost-sharing contracts can coordinate the supply chain of fresh agricultural products.

关键词： Dominant power carbon cap-and-trade policy fresh agricultural product supply chain fresh-keeping decision-making

细胞膜色谱法定量分析5-羟色胺受体的别构效应

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色谱 2017年第2期35卷 191-195页

作者：杜晖李静静范菲杨会鸽刘鹏鸣郑妍西安市食品药品检验所陕西西安710054

建立了大鼠纹状体细胞膜色谱法研究5-羟色胺(5-hydroxytryptamine)受体1D亚型(5-HT1D)的别构效应。利用大鼠纹状体制备得到细胞膜色谱固定相,特异性地识别混合对照品中的尼群地平、欧前胡素和藁本内酯。以不同浓度(4.62×10-7~4.62×10-... 详细信息

建立了大鼠纹状体细胞膜色谱法研究5-羟色胺(5-hydroxytryptamine)受体1D亚型(5-HT1D)的别构效应。利用大鼠纹状体制备得到细胞膜色谱固定相,特异性地识别混合对照品中的尼群地平、欧前胡素和藁本内酯。以不同浓度(4.62×10-7~4.62×10-5mol/L)的欧前胡素为竞争剂平衡细胞膜色谱柱,考察流动相浓度的变化对样品保留行为的影响。结果表明,欧前胡素的添加可使藁本内酯与受体作用的平衡解离常数(KD)增大2.06倍,说明欧前胡素结合5-HT1D受体后会影响藁本内酯在受体上的结合强度。在流动相中添加藁本内酯(5.26×10-7~5.26×10-5mol/L),考察欧前胡素保留因子的变化,测得藁本内酯的KD为(4.15±0.12)μmol/L,与文献报道值基本一致。该方法为定量研究受体的别构效应提供了一种全新思路。

关键词：细胞膜色谱 5-羟色胺受体别构效应欧前胡素藁本内酯