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Potassium and calcium channels in different nerve cells act as therapeutic targets in neurological disorders

Neural Regeneration Research 2025年第5期20卷 1258-1276页

作者： Qing Qiu Mengting Yang Danfeng gong Haiying Liang Tingting Chen Department of Pharmacology School of PharmacyNantong UniversityNantongJiangsu ProvinceChina Jiangsu Province Key Laboratory of Inflammation and Molecular Drug Target NantongJiangsu ProvinceChina Department of Pharmacy Longyan First Affiliated Hospital of Fujian Medical UniversityLongyanFujian ProvinceChina

The central nervous system, information integration center of the body, is mainly composed of neurons and glial cells. The neuron is one of the most basic and important structural and functional units of the central nervous system, with sensory stimulation and excitation conduction functions. Astrocytes and microglia belong to the glial cell family, which is the main source of cytokines and represents the main defense system of the central nervous system. Nerve cells undergo neurotransmission or gliotransmission, which regulates neuronal activity via the ion channels, receptors, or transporters expressed on nerve cell membranes. Ion channels, composed of large transmembrane proteins, play crucial roles in maintaining nerve cell homeostasis. These channels are also important for control of the membrane potential and in the secretion of neurotransmitters. A variety of cellular functions and life activities, including functional regulation of the central nervous system, the generation and conduction of nerve excitation, the occurrence of receptor potential, heart pulsation, smooth muscle peristalsis, skeletal muscle contraction, and hormone secretion, are closely related to ion channels associated with passive transmembrane transport. Two types of ion channels in the central nervous system, potassium channels and calcium channels, are closely related to various neurological disorders, including Alzheimer's disease, Parkinson's disease, and epilepsy. Accordingly, various drugs that can affect these ion channels have been explored deeply to provide new directions for the treatment of these neurological disorders. In this review, we focus on the functions of potassium and calcium ion channels in different nerve cells and their involvement in neurological disorders such as Parkinson's disease, Alzheimer's disease, depression, epilepsy, autism, and rare disorders. We also describe several clinical drugs that target potassium or calcium channels in nerve cells and could be u

关键词： astrocytes calcium channels central nervous system extracellular ion concentration microglia neurological disorders neurons potassium channels

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三波长校正光度法测定水果蔬菜中多菌灵残留量

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理化检验（化学分册） 2005年第5期41卷 353-354,357页

作者：于彦彬苗在京万述伟谭培功青岛市农业环保能源工作站青岛266071 青岛市环境监测站青岛266003

研究了三波长光度法测定水果蔬菜中多菌灵残留量的最佳测定条件,在pH8.3的条件下,测定278,281和290nm波长处的吸光度,计算出校正吸光度,校正吸光度与多菌灵含量在0～50μg范围内呈线性关系,相关系数为0.9991,方法检出量为0.773μg;样品... 详细信息

研究了三波长光度法测定水果蔬菜中多菌灵残留量的最佳测定条件,在pH8.3的条件下,测定278,281和290nm波长处的吸光度,计算出校正吸光度,校正吸光度与多菌灵含量在0～50μg范围内呈线性关系,相关系数为0.9991,方法检出量为0.773μg;样品的加标回收率在93.5%～101.0%范围内,测定结果满意。

关键词：光度法多菌灵农药残留蔬菜水果

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The Mechanism of Heating Rate on the Secondary Recrystallization Evolution in Grain Oriented Silicon Steel

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Journal of Wuhan University of Technology(Materials Science) 2025年第1期40卷 275-282页

作者： GAO Qian LI Jun WANG Xianhui CAO Laifu gong Jian LI Bo Central Iron and Steel Research Institute Group Beijing 100081China Shougang Zhixin Electromagnetic Material R&D(Beijing)Co. Ltd.Beijing 101300China Beijing Shougang Co. Ltd.Qian’an 064404China

Grain-oriented silicon steels were prepared at different heating rates during high temperature annealing,in which the evolution of magnetic properties,grain orientations and precipitates were *** illustrate the Zener factor,the diameter and number density of precipitates of interrupted testing samples were statistically *** effect of precipitate ripening on the Goss texture and magnetic property was *** indicated that the trend of Zener factor was similar under different heating rates,first increasing and then decreasing,and that the precipitate maturing was greatly inhibited as the heating rate *** recrystallization was developed at the temperature of 1010℃when a heating rate of 5℃/h was used,resulting in Goss,Brass and{110}oriented grains growing abnormally and a magnetic induction intensity of ***,increasing the heating rate to 20℃/h would inhibit the development of undesirable oriented grains and obtain a sharp Goss ***,when the heating rate was extremely fast,such as 40℃/h,poor secondary recrystallization was developed with many island grains,corresponding to a decrease in magnetic induction intensity to 1.87 *** a suitable heating rate of 20℃/h,the sharpest Goss texture and the highest magnetic induction of 1.94 T with an onset secondary recrystallization temperature of 1020℃were found among the experimental variables in this *** heating rate affected the initial temperature of secondary recrystallization by controlling the maturation of precipitates,leading to the deviation and dispersion of Goss texture,thereby reducing the magnetic properties.

关键词： high temperature annealing heating rate secondary recrystallization grain oriented silicon steel

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PSA分散固相萃取液相色谱荧光法测定蔬菜和水果中的灭定威

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分析测试学报 2005年第5期24卷 75-77,81页

作者：于彦彬万述伟谭培功李海萍孙洁农业部农产品质量安全监督检验测试中心(青岛) 山东青岛266071 青岛市环境保护监测站山东青岛266003

以PSA分散固相萃取净化,液相色谱柱分离,直接荧光法测定灭定威,研究建立了测定蔬菜、水果中灭定威的分析方法.在仪器最佳测定条件下,灭定威的检出限为2.98pg,在所测定的含量范围内灭定威的含量与峰面积之间的相关系数为1.000,保留时间... 详细信息

以PSA分散固相萃取净化,液相色谱柱分离,直接荧光法测定灭定威,研究建立了测定蔬菜、水果中灭定威的分析方法.在仪器最佳测定条件下,灭定威的检出限为2.98pg,在所测定的含量范围内灭定威的含量与峰面积之间的相关系数为1.000,保留时间的相对标准偏差为0.64%;PSA分散固相萃取法与氨基柱固相萃取法相比,操作简单,基体干扰少,结果准确可靠,重复性好.实际样品中灭定威的平均回收率在89%～112%之间,测得量的相对标准偏差在1.6%～5.6%之间,测定结果令人满意.

关键词： PSA 分散固相萃取液卡甘色谱荧光法灭定威蔬菜水果

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Force and impulse multi-sensor based on flexible gate dielectric field effect transistor

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 214-220页

作者： Chao tan Junling Lü Chunchi Zhang Dong Liang Lei Yang Zegao Wang College of Materials Science and Engineering Sichuan UniversityChengdu 610065China The 54th Research Institute of China Electronics Technology Group Corporation Shijiazhuang 050081China

Nowadays,force sensors play an important role in industrial production,electronic information,medical health,and many other ***-dimensional material-based filed effect transistor(2D-FET)sensors are competitive with nano-level size,lower power consumption,and accurate ***,few of them has the capability of impulse detection which is a path function,expressing the cumulative effect of the force on the particle over a period of *** we fabricated the flexible polymethyl methacrylate(PMMA)gate dielectric MoS_(2)-FET for force and impulse sensor *** systematically investigated the responses of the sensor to constant force and varying forces,and achieved the conversion factors of the drain current signals(I_(ds))to the detected impulse(I).The applied force was detected and recorded by I_(ds)with a low power consumption of~30 *** sensitivity of the device can reach~8000%and the 4×1 sensor array is able to detect and locate the normal force applied on ***,there was almost no performance loss for the device as left in the air for two months.

关键词： flexible gate dielectric transistor force sensor impulse sensor force sensor array

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The linear self-attracting diffusion driven by the weighted-fractional Brownian motion II: The parameter estimation

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Science China Mathematics 2025年

作者： Litan Yan Rui Guo Wenyi pei Department of Statistics College of Science Donghua University School of Statistics and Mathematics Zhejiang Gongshang University

Let Ba,bbe a weighted-fractional Brownian motion with Hurst indexes a and b such that a>-1and 0≤b<1∧（1+a）.In this paper,we consider the linear self-attracting diffusion ■ interacting diffusion (see Cranston and Le Jan （1995）).Under the continuous observation,we study asymptotic ■ converges in distribution to the sum of the chi-square random variable with 1 degree of freedom and the random variable Z1a,b.

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Engine Misfire Fault Detection Based on the Channel Attention Convolutional Model

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Computers, Materials & Continua 2025年第1期82卷 843-862页

作者： Feifei Yu Yongxian Huang Guoyan Chen Xiaoqing Yang Canyi Du Yongkang gong School of Mechatronic Engineering Guangdong Polytechnic Normal UniversityGuangzhou510665China School of Automotive and Transportation Engineering Guangdong Polytechnic Normal UniversityGuangzhou510665China

To accurately diagnosemisfire faults in automotive engines,we propose a Channel Attention Convolutional Model,specifically the Squeeze-and-Excitation Networks(SENET),for classifying engine vibration signals and precisely pinpointing misfire *** the experiment,we established a total of 11 distinct states,encompassing the engine’s normal state,single-cylinder misfire faults,and dual-cylinder misfire faults for different *** collection was facilitated by a highly sensitive acceleration signal collector with a high sampling rate of 20,*** collected data were methodically divided into training and testing sets based on different experimental groups to ensure generalization and prevent overlap between the two *** results revealed that,with a vibration acceleration sequence of 1000 time steps(approximately 50 ms)as input,the SENET model achieved a misfire fault detection accuracy of 99.8%.For comparison,we also trained and tested several commonly used models,including Long Short-Term Memory(LSTM),Transformer,and Multi-Scale Residual Networks(MSRESNET),yielding accuracy rates of 84%,79%,and 95%,*** underscores the superior accuracy of the SENET model in detecting engine misfire faults compared to other ***,the F1 scores for each type of recognition in the SENET model surpassed 0.98,outperforming the baseline *** analysis indicated that the misclassified samples in the LSTM and Transformer models’predictions were primarily due to intra-class misidentifications between single-cylinder and dual-cylinder misfire *** delve deeper,we conducted a visual analysis of the features extracted by the LSTM and SENET models using T-distributed Stochastic Neighbor Embedding(T-SNE)*** findings revealed that,in the LSTMmodel,data points of the same type tended to cluster together with significant ***,in the SENET model,data points of various types were more widely and evenly dispersed,demonstra

关键词： Channel attention SENET model engine misfire fault fault detection

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高效液相色谱三元梯度分离法测定大气中11种醛酮类化合物的研究

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分析测试学报 2000年第3期19卷 43-46页

作者：于彦彬谭培功刘赞蒋海威张维东青岛市环境保护研究所山东青岛266003

研究选择了以2,4_二硝基苯肼衍生化三元梯度洗脱的高效液相色谱测定大气中11种醛酮类化合物的最佳色谱分离条件 ,醛酮类化合物的检出限从0.45到2.04ng ,各化合物保留时间的相对标准偏差sr≤0.38% ,在所测定的含量范围内具有很好的线性关... 详细信息

研究选择了以2,4_二硝基苯肼衍生化三元梯度洗脱的高效液相色谱测定大气中11种醛酮类化合物的最佳色谱分离条件 ,醛酮类化合物的检出限从0.45到2.04ng ,各化合物保留时间的相对标准偏差sr≤0.38% ,在所测定的含量范围内具有很好的线性关系 ,每种化合物的相关系数均大于0.999 ;研究了涂敷2,4_二硝基苯肼硅胶吸附采样夹的制作方法 ,并应用于大气环境中醛酮类化合物的分析。方法简单、快速 ,11种醛酮类化合物的平均解吸效率在98.3 %～105 %之间。

关键词：醛酮高效液相色法三元梯度程序大气

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单滴液相微萃取气相色谱测定水中的酞酸酯类化合物

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分析试验室 2007年第7期26卷 100-103页

作者：房贤文谭培功董新春褚春莹张婷婷高岩中国海洋大学化学化工学院青岛266003 青岛市环境监测中心站青岛266003 青岛市环境保护局青岛266003

采用单滴液相微萃取与气相色谱测定水中的酞酸二甲酯（DMP）和酞酸二丁酯（DBP）。考察了萃取溶剂、萃取时间及搅拌速度等因素对萃取结果的影响，确定最佳萃取条件为：3mL水样放置于4mL样品瓶中，以600r／min速度进行磁力搅拌，萃取20mi... 详细信息

采用单滴液相微萃取与气相色谱测定水中的酞酸二甲酯（DMP）和酞酸二丁酯（DBP）。考察了萃取溶剂、萃取时间及搅拌速度等因素对萃取结果的影响，确定最佳萃取条件为：3mL水样放置于4mL样品瓶中，以600r／min速度进行磁力搅拌，萃取20min。该方法对酞酸二甲酯和酞酸二丁酯的富集倍数为228和318，检出限为1．4和0．8μg／L，相对标准偏差为9．4％和6．4％。对地表水、污水和海水的加标回收率DMP在94．5％～99．3％，DBP在87．0％～102％之间。

关键词：液相微萃取酞酸酯气相色谱

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Quantum public-key crypto via EPR pairs

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 58-63页

作者： Xiang-Qun Fu Hong-Wei Li Jian-Hong Shi tan Li Wan-Su Bao Henan Key Laboratory of Quantum Information and Cryptography Information Engineering University Synergetic Innovation Center of Quantum Information and Quantum Physics University of Science and Technology of China

With the development of quantum computing technology, quantum public-key cryptography is gradually becoming an alternative to the existing classical public-key cryptography. This paper designs a quantum trapdoor one-way function via EPR pairs and quantum measurements. Based on this, a new quantum public-key cryptosystem is presented, which offers forward security,and can resist the chosen-plaintext attack and chosen-ciphertext attack. Compared with the existing quantum public-key cryptos,eavesdropping can be automatically detected in this new quantum public-key cryptosystem under a necessary condition, which is also detailed in the paper.

关键词： quantum public-key crypto trapdoor one-way function EPR pairs

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