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| 1 | Isolation,purification,structural characteristic and antioxidative property of polysaccharides from A.cepa L.var.agrogatum Don显示文摘Allium cepa L.var.agrogatum Don(ALAP)is commonly consumed in China as well as other regions and has various beneficial health effects.A novel acidic polysaccharide(named ALAP-21)was obtained from ALAP by ultrasonic and microwave-assisted extraction and purification using DEAE-52 anion exchange and Sephadex G-100 columns.The monosaccharide composition,structural and antioxidative properties of ALAP-21 were investigated by GC–MS chromatography,FT-IR and NMR spectroscopies and three antioxidative activity tests in vitro.The results showed that ALAP-21 was a heteropolysaccharide composed of glucose,galacturonic acid,mannose,galactose,arabinose,rhamnose,xylose,fructose and glucuronic acid with a relative molar ratio of 26.282:27.546:11.400:4.781:2.467:2.445:3.622:1.106:1.753,owning(1→4)-β-d-Glcp,(1→4)-β-d-GalAp6Me3OA,(1→4)-β-d-Galp6OMe,(1→2)-β-l-Rhap,(1→4)-β-d-Manp glycosidic linkages.(1→4)-β-d-Glcp and(1→4)-β-d-GalAp6Me3OA residues might be the main components of the sugar chain backbone of ALAP-21.Furthermore,ALAP-21 exhibited high potential for DPPH radicals(82.02%),hydroxyl radicals(53.33%)and superoxide anion radicals(50.28%).These results provide a reference for further research and rational development of ALAP polysaccharides. | Hongcheng Liu Hongxiu Fan Jing Zhang Shanshan Zhang Wenting Zhao Tingting Liu Dawei Wang | 2020 | Food Science and Human Wellness2020，9，1： | 10 |
| 2 | The latest process and challenges of microwave dielectric ceramics based on pseudo phase diagrams显示文摘The explosive process of 5G communication evokes the urgent demand of miniaturized and integrated dielectric ceramics filter It is a pressing need to advance the development of dielectric ceramics utilization of emerging technology to design new materials and understand the polarization mechanism.This review provides the summary of the study of microwave dielectric ceramics(MWDCs)sintered higher than 1000℃ from 2010 up to now,with the purpose of taking a broad and historical view of these ceramics and illustrating research directions.To date,researchers endeavor to explain the structure-property relationship of ceramics with multitude of approaches and design a new formula or strategy to obtain excellent microwave dielectric properties.There are variety of factors that impact the permittivity,dielectric loss,and temperature stability of dielectric materials,covering intrinsic and extrinsic factors.Many of these factors are often intertwined,which can complicate new dielectric material discovery and the mechanism investigation.Because of the various ceramics systems,pseudo phase diagram was used to classify the dielectric materials based on the composition.In this review,the ceramics were firstly divided into ternary systems,and then brief description of the experimental probes and complementary theoretical methods that have been used to discern the intrinsic polarization mechanisms and the origin of intrinsic loss was mentioned.Finally,some perspectives on the future outlook for high-temperature MWDCs were offered based on the synthesis method,characterization techniques,and significant theory developments. | Hongcheng YANG Shuren ZHANG Hongyu YANG Qingyu WEN Qiu YANG Ling GUI Qian ZHAO Enzhu LI | 2021 | Journal of Advanced Ceramics2021，10，5： | 5 |
| 3 | Progress in the toxicological researches for quantum dots显示文摘Quantum dots (QDs) have received more and more attention as a novel example of nanomaterials. Due to their unique fluorescent characteristics,quantum dots have been successfully applied in biotech-nology and medicine applications. Recently,the toxicity and the potential environmental effects of QDs have become a research hotspot. In this paper,toxicological effects of QDs are reviewed,and the prospects and research directions are given based on the analysis of this research field. | LI HongCheng ZHOU QunFang LIU Wei YAN Bing ZHAO Yibing JIANG GuiBin | 2008 | Science China Chemistry2008，51，5： | 2 |
| 4 | Measurement of the Transition Temperature Distribution and Magnetic Field Profile of Large Superconducting Films 显示文摘 | Jiang Xiaohua Zhao Zhongxian Li Hongcheng | 1999 | IEEE Transactions on Instrumentation and Measurement1999，48，4： | 1 |
| 5 | The role of TGF-β in the tumor microenvironment of pancreatic cancer显示文摘Pancreatic cancer(PC)is an aggressive malignant tumor with low rate of surgical resection and poor prognosis.Transforming growth factor-β(TGF-β)is a cytokine that has both protumor and antitumor activities,depending on tumor microenvironment.The interaction be-tween TGF-β signaling and the tumor microenvironment in PC is complex.Here,we reviewed the role of TGF-β in the tumor microenvironment of PC,highlighting producers of TGF-β and TGF-β responders in the tumor microenvironment of PC. | Qiang Luo Ziquan Hu Hongcheng Zhao Yanmei Fan Xiancong Tu Yueqing Wang Xiaowen Liu | 2023 | Genes & Diseases2023，10，4： | 1 |
| 6 | Highly Sensitive Pseudocapacitive Iontronic Pressure Sensor with Broad Sensing Range显示文摘Flexible pressure sensors are unprecedentedly studied on monitoring human physical activities and robotics.Simultaneously,improving the response sensitivity and sensing range of flexible pressure sensors is a great challenge,which hinders the devices’practical application.Targeting this obstacle,we developed a Ti_(3)C_(2)T_(x)-derived iontronic pressure sensor(TIPS)by taking the advantages of the high intercalation pseudocapacitance under high pressure and rationally designed structural configuration.TIPS achieved an ultrahigh sen-sitivity(S_(min)>200 kPa^(−1),S_(max)>45,000 kPa^(−1))in a broad sensing range of over 1.4 MPa and low limit of detection of 20 Pa as well as stable long-term working durability for 10,000 cycles.The practical application of TIPS in physical activity monitoring and flexible robot manifested its versatile potential.This study provides a demonstration for exploring pseudocapacitive materials for building flexible iontronic sensors with ultrahigh sensitivity and sensing range to advance the development of high-performance wearable electronics. | Libo Gao Meng Wang Weidong Wang Hongcheng Xu Yuejiao Wang Haitao Zhao Ke Cao Dandan Xu Lei Li | 2021 | Nano-Micro Letters2021，13，9： | 1 |
| 7 | Measurement of the Transition Temperature Distributionand Magnetic Field Profile of Large SuperconductingFilms显示文摘 | Jiang Xiaohua Zhao Zhongxian Li Hongcheng | 1999 | IEEE Transactions onInstrumentation andMeasurement1999，48，4： | 1 |
| 8 | Pollen-Inspired Photonic Barcodes with Prickly Surface for Multiplex Exosome Capturing and Screening显示文摘Exosomes,which play an important role in intercellular communication,are closely related to the pathogenesis of disease.However,their effective capture and multiplex screening are still challenging.Here,inspired by the unique structure of pollens,we present novel photonic crystal(PhC)barcodes with prickly surface by hydrothermal synthesis for multiplex exosome capturing and screening.These pollen-inspired PhC barcodes are imparted with extremely high specific surface area and excellent prickly surface nanostructures,which can improve the capture rate and detection sensitivity of exosomes.As the internal periodic structures are kept during the hydrothermal synthesis process,the pollen-inspired PhC barcodes exhibit obvious and stable structural colors for identification,which enables multiplex detection of exosomes.Thus,the pollen-inspired PhC barcodes can not only effectively capture and enrich cancer-related exosomes but also support multiplex screening of exosomes with high sensitivity.These features make the prickly PhC barcodes ideal for the analysis of exosomes in medical diagnosis. | Ning Li Feika Bian Xiaowei Wei Lijun Cai Hongcheng Guu Yuanjin Zhao Luoran Shang | 2023 | Research2023，，1： | 0 |
| 9 | ^(18)F-FDG PET/MR Imaging for Evaluating of Obstructive Jaundice:Chinese Expert Consensus显示文摘The cause of obstructive jaundice is usually complex which renders its differential diagnosis and lesion localization challenging in clinical practice.Integrated Positron Emission tomography/Magnetic Resonance(PET/MR)offers complementary information from PET and MR in the diagnosis of obstructive jaundice and is becoming widely adopted in clinical setting.While preserving its diagnostic accuracy,it is important to standardize and streamline the clinical scan protocol of PET/MR in evaluating obstructive jaundice.Based on literature review and experience of large number of clinical cases from the author group,this article reports an expert consensus on imaging protocol optimization and case interpretation template standardization. | Lifang PANG Yushen GU Zhi YANG Zhifang WU Wei FAN Xiaohua ZHU Jun ZHAO Changjiu ZHAO Xuemei WANG Yongju GAO Li HUO Yi MO Meiyun WANG Jie LU Lingzhi HU Zheng ZHANG Feng WANG Xuemei DU Yue CHEN Jianjun LIU Zhaoping CHENG Yunlong LOU Shuzhan YAO Rong XU Sijin LI Hongcheng SHI | 2022 | Clinical Cancer Bulletin2022，1，2： | 0 |
| 10 | Adsorptive removal of tetracycline from water using Fe(Ⅲ)-functionalized carbonized humic acid显示文摘Humic acid(HA)was carbonized at 300,400 and 500℃ and then functionalized with 1 wt%–12 wt%Fe(Ⅲ)respectively[CHA300/400/500-Fe(Ⅲ)].Adsorption of such Fe(III)-functionalized carbonized HA as adsorbents to aqueous tetracycline(TC:25 mg·L^-1)was studied.The adsorption equilibrium time for CHA400-Fe(Ⅲ)to TC was 6 h faster and the adsorption removal efficiency(Re)was two times higher than that of HA/CHA.The adsorption Reof CHA400-Fe(Ⅲ)loaded 10%iron[CHA400-(10%)Fe(Ⅲ)]to TC could reach 99.8%at 8 h and still kept80.6%after 8 cycles.The adsorption kinetics were well fitted to the pseudo-second-order equation and the adsorption isotherms could be well delineated via Langmuir equations(R^2N 0.99),indicating that the homogeneous chemical adsorption of TC occurred on the adsorbents.The main adsorption mechanisms of TC were complexation Fe(III)and hydrophobic distribution.Electropositive and electronegative repulsion between TC and CHA400-(10%)Fe(Ⅲ)at lowly p H(2)and highly p H(8–10)respectively,leaded to the relatively low adsorption capacity and more notable influence of ion concentration.When the p H was between 4 and 8,TC mainly existed in neutral molecules(TCH2),so the influence of ion concentration was not obvious.The dynamic adsorption results showed that the CHA400-(10%)Fe(Ⅲ)could continuously treat about 2.4 L TC(27 mg·L^-1)wastewater with the effluent concentration as low as 0.068 mg·L^-1.Our study suggested a broad application prospect of a new,effective,lowcost and environment-friendly adsorbent CHA400-(10%)Fe(Ⅲ)for treatment of low-concentration TC polluted wastewater. | Dairui Xie Hongcheng Zhang Meng Jiang Hao Huang Heng Zhang Yang Liao Shilin Zhao | 2020 | Chinese Journal of Chemical Engineering2020，28，10： | 0 |
| 11 | Reaction mechanism of fluoride conversion into BF^(4-) during sulphuric acid leaching of roasted bastnaesite显示文摘The bastnaesite used in hydrometallurgy usually contains 7%-11% fluorine,and the conversion of fluorine into high-value products is the key to achieving green production of rare earths and improving the comprehensive utilization of bastnaesite.In order to recover fluorine from bastnaesite in the form of KBF4,the mechanism of F^(-)conversion to BF^(4-)in sulphuric acid leaching solution of roasted bastnaesite was studied by using Eh-pH diagram and simulation experiment.It shows that the formation of BF^(4-)is affected by pH in the absence of rare earths.BF^(4-)is hydrolyzed to BF3 OH-and F-when the pH is greater than 3.9,and part of F-exists as HF^(2-)when pH is lower than 2.In the presence of La^(3+),the formation of BF^(4-)is mainly affected by LaF_(3) when pH is greater than 0,and in the case that the pH is lower than 2,it is mainly affected by HF^(2-).When Ce4+is present in solution,CeF_(2)^(2+) can exist stably in sulphuric acid solution.Bringing down the pH can reduce the stability of CeF_(2)^(2+) and increase the BF^(4-)conversion rate.Based on these results,KBF4 was prepared in the alkaline solution of bastnaesite,and the conversion of BF^(4-)is 84.31%.This provides a theoretical basis for the recovery of fluorine from bastnaesite in the form of KBF_(4). | Hongcheng Zhang Dairui Xie Heng Zhang Meng Jiang Hao Huang Yu Wan Yang Liao Shilin Zhao | 2021 | Journal of Rare Earths2021，39，2： | 0 |
| 12 | Stretchable and anti-impact iontronic pressure sensor with an ultrabroad linear range for biophysical monitoring and deep learning-aided knee rehabilitation显示文摘Monitoring biophysical signals such as body or organ movements and other physical phenomena is necessary for patient rehabilitation.However,stretchable flexible pressure sensors with high sensitivity and a broad range that can meet these requirements are still lacking.Herein,we successfully monitored various vital biophysical features and implemented in-sensor dynamic deep learning for knee rehabilitation using an ultrabroad linear range and highsensitivity stretchable iontronic pressure sensor(SIPS).We optimized the topological structure and material composition of the electrode to build a fully stretching on-skin sensor.The high sensitivity(12.43 kPa^(−1)),ultrabroad linear sensing range(1 MPa),high pressure resolution(6.4 Pa),long-term durability(no decay after 12000 cycles),and excellent stretchability(up to 20%)allow the sensor to maintain operating stability,even in emergency cases with a high sudden impact force(near 1 MPa)applied to the sensor.As a practical demonstration,the SIPS can positively track biophysical signals such as pulse waves,muscle movements,and plantar pressure.Importantly,with the help of a neuro-inspired fully convolutional network algorithm,the SIPS can accurately predict knee joint postures for better rehabilitation after orthopedic surgery.Our SIPS has potential as a promising candidate for wearable electronics and artificial intelligent medical engineering owing to its unique high signal-to-noise ratio and ultrabroad linear range. | Hongcheng Xu Libo Gao Haitao Zhao Hanlin Huang Yuejiao Wang Gang Chen Yuxin Qin Ningjuan Zhao Dandan Xu Ling Duan Xuan Li Siyu Li Zhongbao Luo Weidong Wang Yang Lu | 2021 | Microsystems & Nanoengineering2021，7，6： | 0 |
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