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| 1 | Ultrasensitive terahertz metamaterial sensor based on vertical split ring resonators显示文摘An ultrasensitive metamaterial sensor based on double-slot vertical split ring resonators(DVSRRs) is designed and numerically calculated in the terahertz frequency. This DVSRR design produces a fundament LC resonance with a quality factor of about 20 when the incidence magnetic field component normal to the DVSRR array. The resonant characteristics and sensing performance of the DVSRR array design are systematically analyzed employing a contrast method among three similar vertical split ring resonator(SRRs) structures. The research results show that the elimination of bianisotropy, induced by the structural symmetry of the DVSRR design, helps to achieve LC resonance of a high quality factor. Lifting the SRRs up from the substrate sharply reduces the dielectric loss introduced by the substrate. All these factors jointly result in superior sensitivity of the DVSRR to the attributes of analytes. The maximum refractive index sensitivity is 788 GHz/RIU or 1.04 × 10~5 nm∕RIU.Also, the DVSRR sensor maintains its superior sensing performance for fabrication tolerance ranging from -4% to 4% and wide range incidence angles up to 50° under both TE and TM illuminations. | WEI WANG FENGPING YAN SIYU TAN HONG ZHOU YAFEI HOU | 2017 | Photonics Research2017，5，6： | 9 |
| 2 | Noise-like pulse generation from a thulium-doped fiber laser using nonlinear polarization rotation with different net anomalous dispersion显示文摘A mode-locked thulium-doped fiber laser(TDFL) based on nonlinear polarization rotation(NPR) with different net anomalous dispersion is demonstrated. When the cavity dispersion is-1.425 ps^2, the noise-like(NL) pulse with coherence spike width of 406 fs and pulse energy of 12.342 nJ is generated at a center wavelength of 2003.2 nm with 3 dB spectral bandwidth of 23.20 nm. In the experimental period of 400 min, the 3 dB spectral bandwidth variation, the output power fluctuation, and the central wavelength shift are less than 0.06 nm, 0.04 d B, and0.4 nm, respectively, indicating that the NPR-based TDFL operating in the NL regime holds good long-term stability. | Shuo Liu Fengping Yan Yang Li Luna Zhang Zhuoya Bai Hong Zhou Yafei Hou | 2016 | Photonics Research2016，4，6： | 5 |
| 3 | Complement C3a activates osteoclasts by regulating the PI3K/PDK1/SGK3 pathway in patients with multiple myeloma显示文摘Objective:Myeloma bone disease(MBD)is the most common complication of multiple myeloma(MM).Our previous study showed that the serum levels of C3/C4 in MM patients were significantly positively correlated with the severity of bone disease.However,the mechanism of C3 a/C4 a in osteoclasts MM patients remains unclear.Methods:The formation and function of osteoclasts were analyzed after adding C3 a/C4 a in vitro.RNA-seq analysis was used to screen the potential pathways affecting osteoclasts,and the results were verified by Western blot,q RT-PCR,and pathway inhibitors.Results:The osteoclast area per view induced by 1μg/m L(mean±SD:50.828±12.984%)and 10μg/m L(53.663±12.685%)of C3 a was significantly increased compared to the control group(0μg/m L)(34.635±8.916%)(P<0.001 and P<0.001,respectively).The relative m RNA expressions of genes,OSCAR/TRAP/RANKL/cathepsin K,induced by 1μg/m L(median:5.041,3.726,1.638,and 4.752,respectively)and 10μg/m L(median:5.140,3.702,2.250,and 5.172,respectively)of C3 a was significantly increased compared to the control group(median:3.137,2.004,0.573,and 2.257,respectively)(1μg/m L P=0.001,P=0.003,P<0.001,and P=0.008,respectively;10μg/m L:P<0.001,P=0.019,P<0.001,and P=0.002,respectively).The absorption areas of the osteoclast resorption pits per view induced by 1μg/m L(mean±SD:51.464±11.983%)and 10μg/m L(50.219±12.067%)of C3 a was also significantly increased(33.845±8.331%)(P<0.001 and P<0.001,respectively)compared to the control.There was no difference between the C4 a and control groups.RNA-seq analysis showed that C3 a promoted the proliferation of osteoclasts using the phosphoinositide 3-kinase(PI3 K)signaling pathway.The relative expressions of PIK3 CA/phosphoinositide dependent kinase-1(PDK1)/serum and glucocorticoid inducible protein kinases(SGK3)genes and PI3 K/PDK1/p-SGK3 protein in the C3 a group were significantly higher than in the control group.The activation role of C3 a in osteoclasts of MM patients was reduced by the SGK inhibitor(EMD638683).Conclusions:C3 a activated osteoclasts by regulating the PI3 K/PDK1/SGK3 pathways in MM patients,which was reduced using a SGK inhibitor.Overall,our results identified potential therapeutic targets and strategies for MBD patients。 | Fengjuan Jiang Hui Liu Fengping Peng Zhaoyun Liu Kai Ding Jia Song Lijuan Li Jin Chen Qing Shao Siyang Yan Kim De Veirman Karin Vanderkerken Rong Fu | 2021 | Cancer Biology & Medicine2021，18，3： | 3 |
| 4 | Comprehensive test stand for high-intensity cyclotron development显示文摘A comprehensive test stand for high-intensity cyclotron development,a 10 MeV 430 μA cyclotron,has been successfully constructed at China Institute of Atomic Energy (CIAE) for the experimental verification of the viability of a 100 MeV high-intensity cyclotron (CYCIAE-100) being constructed at CIAE.The verification includes the overall design technology,detail design and engineering technology for the crucial parts of the machine,e.g.main magnet and beam diagnostics.It will also pave the way for future enhancement of the beam intensity.The test stand consists of a H-ion source,axial injection system,central region,main magnet and coil,RF resonator,stripping extraction,and auxiliary systems,which include the RF power amplifier,high voltage and DC power supplies,electric apparatus,beam diagnostics,control,vacuum,water cooling,pneumatic system,and safety interlock.This paper presents the work regarding the design and sub-system development of the test sand,and the results of the beam commissioning of the machine. | ZHANG TianJue LI ZhenGuo CHU ChengJie XING JianSheng GUAN FengPing ZHONG JunQing JI Bin GE Tao YIN ZhiGuo HOU ShiGang PAN GaoFeng YAO HongJuan LU YinLong WANG ZhenHui WU LongCheng LIN Jun JIA XianLu WEI SuMin WEN LiPeng WANG Feng XIA Le CAI HongRu XIE HuaiDong CHEN RongFan ZHANG Yan ZHANG SuPing LIU GengShou ZOU Jian AN ShiZhong YANG JianJun BI YuanJie YANG Fang | 2011 | Chinese Science Bulletin2011，56，3： | 3 |
| 5 | Enhancing sensing capacity of terahertz metamaterial absorbers with a surface-relief design显示文摘Metamaterial absorbers(MAs)serve as important electromagnetic wave-absorbing devices that have captured the attention of researchers for a long term.Functioning as sensitive detectors to determine perturbations in an ambient environment is another significant subsidiary function.Here,we theoretically propose an optimized fabrication method to implement terahertz MAs with fewer steps and also evaluate both absorption and sensing performances of such MAs realized by the new method.Simulation findings demonstrate that such MAs can basically maintain the original absorption features perfectly,including near-complete absorption at resonance as well as strong robustness to wide incident angles.Specifically,the full width at half-maximum and quality factor of the absorption resonances attenuate less than 26%and 8%with this new method,remaining in the ranges of^0.03–0.04 THz and^20–27 for two selected example MAs.More significantly,sensing capacities of this type of MA,in terms of maximum detection range(enhancing at least 9%),observable spectral modulation(increasing at least 6.3%),and refractive index sensitivity,are improved to a large extent because of more intense coupling between resonant field and matter in the case of surface-relief MAs.This stronger coupling results from exposing more spots of the resonantly high field to direct contact with an approaching analyte,which is illustrated by field profiles of the MAs at resonance in this work.Additionally,other desirable absorber features are also explored with such MAs,like functioning as building blocks to configure multiband MAs and strong robustness against fabrication errors.Such new-style terahertz MAs shown in the paper,acting as good examples,not only prove that terahertz MAs can be fabricated by the proposed time-and cost-saving route in contrast to the traditional MA fabrication process,but also can serve as novel platforms to explore other intriguing terahertz photonic effects,such as the field enhancement effect. | WEI WANG FENGPING YAN SIYU TAN HAISU LI XUEMEI DU LUNA ZHANG ZHUOYA BAI DAN CHENG HONG ZHOU YAFEI HOU | 2020 | Photonics Research2020，8，4： | 3 |
| 6 | Realization of laser textured brass surface via temperature tuning for surface wettability transition显示文摘Superhydrophobic surfaces have attracted extensive interests and researches into their fundamentals and potential applications.Laser texturing provides the convenience to fabricate the hierarchical micro/nanostructures for superhydrophobicity.However,after laser texturing,long wettability transition time from superhydrophilicity to superhydrophobicity is a barrier to mass production and practical industrial applications.External stimuli have been applied to change the surface composition and/or the surface morphology to reduce wettability transition time.Herein,by temperature tuning,wettability transition of laser textured brass surfaces is investigated.Scanning electron microscopy and surface contact angle measurement are employed to characterize the surface morphology and wettability behavior of the textured brass surfaces.By low-temperature heating(100℃~150℃),partial deoxidation of the top Cu O layer occurs to form hydrophobic Cu_2O.Therefore,superhydrophobicity without any chemical coating and surface modification could be achieved in a short time.Furthermore,after low-temperature heating,the low adhesive force between the water droplet and the sample surface is demonstrated for the laser textured brass surface.This study provides a simple method to fabricate the micro/nanostructure surfaces with controllable wettability for the potential applications. | Huangping Yan Mohamed Raiz B Abdul Rashid Si Ying Khew Fengping Li Minghui Hong | 2017 | 光电工程2017，44，6： | 2 |
| 7 | Incorporate, switchable dual wavelength fiber laser with Bragg gratings written in a polarization maintaining erbium doped fiber显示文摘 | Mao Xiangqiao Yan Fengping Wang Lin | 2009 | Opt Cornrnun2009，282，： | 1 |
| 8 | Prediction of adolescent subjective well being: A machine learning approach显示文摘Background Subjective well-being(SWB),also known as happiness,plays an important role in evaluating both mental and physical health.Adolescents deserve specific attention because they are under a great variety of stresses and are at risk for mental disorders during adulthood.Aim The present paper aims to predict undergraduate students1 SWB by machine learning method.Methods Gradient Boosting Classifier which was an innovative yet validated machine learning approach was used to analyse data from 10518 Chinese adolescents.The online survey included 298 factors such as depression and personality.Quality control procedure was used to minimise biases due to online survey reports.We applied feature selection to achieve the balance between optimal prediction and result interpretation.Results The top 20 happiness risks and protective factors were finally brought into the predicting model.Approximately 90%individuals'SWB can be predicted correctly,and the sensitivity and specificity were about 92%and 90%,respectively.Conclusions This result identifies at-risk individuals according to new characteristics and established the foundation for adolescent prevention strategies. | Naixin Zhang Chuanxin Liu Zhixuan Chen Lin An Decheng Ren Fan Yuan Ruixue Yuan Lei Ji Yan Bi Zhenming Guo Gaini Ma Fei Xu Fengping Yang Liping Zhu Gabirel Robert Yifeng Xu Lin He Bo Bai Tao Yu Guang He | 2019 | General Psychiatry2019，32，5： | 1 |
| 9 | Long-haul WDM system through conventional single mode optical fiber with dispersion compension bvy chirp fiber Bragg grating显示文摘 | Pei Li Jian Shuisheng Yan Fengping | 2003 | Opitcal communications2003，222，： | 1 |
| 10 | Dual-wavelength single-longitudinal-mode Tm-doped fiber laser using PM-CMFBG显示文摘 | Yan Fengping Peng Wanjing Liu Shuo | 2015 | IEEE Photon Technol Lett2015，27，9： | 1 |
| 11 | Experimental investigation of the stimulated Brillouin scattering fiber optic gyros显示文摘 | Yan Fengping Wu Jianbo Xue Weiwei | 2004 | SPIE2004，5279，： | 1 |
| 12 | Study on pure silica core optical fibers显示文摘An optimal refractive index profile of pure silica core optical fiber (PSCF) was de- signed, in combination with the characters of the modified chemical vapor deposi- tion (MCVD) process. Techniques of preform fabrication by a new furnace round heating MCVD process and fiber drawing process were reviewed. Difficulties in doping fluorine in silica, widening the depressed-index cladding and maintaining the index of fiber core were discussed. Methods used to overcome these difficulties were given at the same time. Additionally, the optimal refractive index profiles of PSCF were presented. | LI Jian ZHENG Kai CHANG DeYuan WEI Huai NING TiGang FU YongJun MAO XiangQiao YAN FengPing JIAN Wei JIAN ShuiSheng | 2008 | Science China(Technological Sciences)2008，51，1： | 1 |
| 13 | Structure and internal stress of Au films deposited on SiO_2/Si(100) and mica by dc sputtering显示文摘Au films with a thickness of about 300 nm were deposited on SiO2/Si(100) and mica substrates by dc sputtering. X-ray diffraction spectroscopy and field emission scanning electron microscopy were used to analyze the structure and internal stress of the Au films. The films grown on SiO2/Si(100) show a preferential orientation of [111] in the growth direction. However the films grown on mica have mixture crystalline orientations of [111], [200], [220] and [311] in the growth direction and the orientations of [200] and [311] are slightly more than those of [111] and [220]. An internal stress in the films grown on SiO2/Si(100) is tensile. For Au films grown on mica the internal stresses in the [111]-and [311]-orientation grains are compressive while those in the [200]- and [220]-orientation grains are tensile. Au films grown SiOJSi(100) have some very large grains with a size of about 400 nm and have a wider grain size distribution compared with those grown on mica. | Hong Qiu, Jingchun Sun, Yue Tian, Yan Huang, Liqing Pan, Fengping Wang, and Ping WuDepartment of Physics, Applied Science School, University of Science and Technology Beijing, Beijing 100083, China | 2004 | Journal of University of Science and Technology Beijing2004，11，5： | 1 |
| 14 | 单个纳米孔的宽带光子自旋‐霍尔效应显示文摘光子自旋-霍尔效应(SHEL)指不同自旋态(圆偏振)的光子在一定条件下发生分裂的现象,在光学测量、成像、传感等领域具有重要应用前景。然而,一般条件下SHEL比较微弱,虽然通过谐振能增强分裂强度,但响应带宽受限。近期,微细加工光学技术国家重点实验室突破了上述难题,通过理论和实验证明尺度仅为2mm的单个悬链线结构即可产生宽带SHEL,相关文章近期发表于《Light:Science&Applications》。 | Huangping Yan Mohamed Raiz B Abdul Rashid Si Ying Khew Fengping Li Minghui Hong | 2017 | 光电工程2017，44，6： | 0 |
| 15 | Deep Learning‑Assisted Quantitative Susceptibility Mapping as a Tool for Grading and Molecular Subtyping of Gliomas显示文摘This study aimed to explore the value of deep learning(DL)-assisted quantitative susceptibility mapping(QSM)in glioma grading and molecular subtyping.Forty-two patients with gliomas,who underwent preoperative T2 fluid-attenuated inversion recovery(T2 FLAIR),contrast-enhanced T1-weighted imaging(T1WI+C),and QSM scanning at 3.0T magnetic resonance imaging(MRI)were included in this study.Histopathology and immunohistochemistry staining were used to determine glioma grades,and isocitrate dehydrogenase(IDH)1 and alpha thalassemia/mental retardation syndrome X-linked gene(ATRX)subtypes.Tumor segmentation was performed manually using Insight Toolkit-SNAP program(www.itksnap.org).An inception convolutional neural network(CNN)with a subsequent linear layer was employed as the training encoder to capture multi-scale features from MRI slices.Fivefold cross-validation was utilized as the training strategy(seven samples for each fold),and the ratio of sample size of the training,validation,and test dataset was 4:1:1.The performance was evalu-ated by the accuracy and area under the curve(AUC).With the inception CNN,single modal of QSM showed better perfor-mance in differentiating glioblastomas(GBM)and other grade gliomas(OGG,grade II–III),and predicting IDH1 mutation and ATRX loss(accuracy:0.80,0.77,0.60)than either T2 FLAIR(0.69,0.57,0.54)or T1WI+C(0.74,0.57,0.46).When combining three modalities,compared with any single modality,the best AUC/accuracy/F1-scores were reached in grading gliomas(OGG and GBM:0.91/0.89/0.87,low-grade and high-grade gliomas:0.83/0.86/0.81),predicting IDH1 mutation(0.88/0.89/0.85),and predicting ATRX loss(0.78/0.71/0.67).As a supplement to conventional MRI,DL-assisted QSM is a promising molecular imaging method to evaluate glioma grades,IDH1 mutation,and ATRX loss. | Wenting Rui Shengjie Zhang Huidong Shi Yaru Sheng Fengping Zhu YiDi Yao Xiang Chen Haixia Cheng Yong Zhang Ababikere Aili Zhenwei Yao Xiao‑Yong Zhang Yan Ren | 2023 | Phenomics2023，3，3： | 0 |
| 16 | Association between SLC17A7 gene polymorphisms and venlafaxine for major depressive disorder in a Chinese Han population:a prospective pharmacogenetic case-control study显示文摘Objective: Venlafaxine is a common antidepressant and its therapeutic effect varies among people with different genetic backgrounds. The aim of this study was to investigate whether single nucleotide polymorphisms (SNPs) in theSLC17A7 gene are associated with the treatment outcome of venlafaxine in a Chinese Han population with major depressive disorder.Methods: This prospective pharmacogenetic case-control study that involved genotyping of four SNPs ofSLC17A7 was conducted on 175 major depressive disorder patients of Chinese Han origin, aged 18 to 65 years, participated in the study from April 2005 to September 2006. Comparisons of allele and genotype frequencies of all SNPs were performed between the responder/remission group and the nonresponder/nonremission group. This study was approved by the Institutional Ethics Committee of Sichuan University (approval No. 20151112-265).Results: The allele and genotype frequencies of the four candidate SNPs inSCL17A7 showed no significant difference between responders and nonresponders. Meanwhile, no significant difference was detected in the four investigatedSLC17A7 SNPs between patients who did and did not exhibit remission. Although one of the investigatedSLC17A7 variants (rs1578944) demonstrated a significant association (P=0.022) with a response to venlafaxine after 6 weeks of treatment in the survival analysis, the association was unclear after a Bonferroni multiple comparisons test was conducted.Conclusion: No significant association exists between the four candidate SNPs (rs1043558, rs1320301, rs1578944, and rs74174284) inSLC17A7 and venlafaxine treatment in the Chinese Han population. | Liangile Liu Decheng Ren Fan Yuan Yan Bi Zhenming Guo Gaini Ma Fei Xu Binyin Hou Lei Ji Zhixuan Chen Lin An Naixin Zhang Tao Yu Xingwang Li Fengping Yang Xueli Sun Zaiquan Dong Shunying Yu Zhenghui Yi Yifeng Xu Lin He Shaochang Wu Longyou Zhao Changqun Cai Guang He Yi Shi | 2021 | Journal of Bio-X Research2021，4，3： | 0 |
| 17 | Personality and Nomophobia: A Moderated Mediation Model of Self-Esteem and Non-Self-Determined Solitude显示文摘Background:With the development of information technology,mobile phone has brought much convenience to people’s lives but also caused many negative consequences due to excessive use,such as mobile phone addiction and nomophobia.Previous studies have explored the relationship between the Big Five Personality and proble-matic mobile phone use(PMPU).However,they focus on mobile phone addiction.Although there is a correlation between nomophobia and mobile phone addiction,the psychological structure is different.Therefore,it is neces-sary to explore the relationship between personality and nomophobia and the underlying mechanism.This study aims to examine the relationship between Big Five Personality and nomophobia,then construct a moderated mediation model to explore the mediation effect of solitude between Big Five Personality and nomophobia,as well as the moderation effect of self-esteem.Method:Data from 678 college students(351 females,51.77%)were collected.Participants completed the Big Five Personality Inventory,Solitude Behavior Scale,Nomophobia Scale and Self-esteem Scale.Analyses were conducted via mediation and moderated mediation.Results:Structural equation models revealed that solitude mediated the relationship between neuroticism and nomophobia.The results showed that neuroticism positively predicted solitude,which in turn positively predicted nomophobia.Four types of solitude partially mediated the relationship between neuroticism and nomophobia.We also found that self-esteem moderated the association between neuroticism and non-self-determined solitude.It is note-worthy that high self-esteem cannot protect people from negative factors.However,because of its characteristics,it is easy to receive more social information,and people high in neuroticism are sensitive to negative social infor-mation.It may cause maladaptive behavior.Conclusion:Findings demonstrated a process through which neu-roticism relates to nomophobia and a context under which these relationships may have occurred. | Yuxin Li Fengping Yan Yixin Zhang Man Li Tour Liu | 2023 | International Journal of Mental Health Promotion2023，25，6： | 0 |
| 18 | Effect of annealing on composition,structure and electrical properties of Au layers grown on different thickness Cr layers显示文摘110 nm-thick Au layers were sputter-deposited on unheated glasses coated about a 10 nm-thick and a 50 nm-thick Cr layer respectively. The Au/Cr bilayer films were annealed in a vacuum of 1 mPa at 300℃ for 2, 5 and 30 min, respectively. Auger electron spectroscopy, X-ray diffraction and Field emission scanning electron microscopy were used to analyze the composition and structure of the Au layers. The resistivity of the bilayer films was measured by using four-point probe technique. The adhesion of the bilayer films to the substrate was tested using tape tests. The amount of Cr atoms diffusing into the Au layer increases with increasing the annealing time, resulting in a decrease in lattice constant and an increase in resistivity of the Au layer. The content of Cr inside the Au layer grown on the thinner Cr layer is less than that grown on the thicker Cr layer. For the Au/Cr bilayer films, the lower resistivity and the good adhesion to the glass substrate can be obtained at a shorter annealing time for a thinner Cr layer. | Yan Huang Hong Qiu Liqing Pan Yue Tian Fengping Wang Ping Wu Department of Physics, Applied Science School, University of Science and Technology Beijing, Beijing 100083, China | 2004 | Journal of University of Science and Technology Beijing2004，11，3： | 0 |
| 19 | Analysis of Transmission Characteristics of Tilted Long Period Fiber Gratings With Full Vector Complex Coupled Mode Theory显示文摘把联合模式理论基于完整的向量建筑群,详细分析在倾斜的长时期纤维栅栏的传播光谱特征上被做。新传播山峰被观察,它在每座传播山峰的长波长方面旁边位于正常长时期纤维栅栏的传播光谱。新兴的传播山峰对两个相当敏感栅栏倾斜了角度并且包围折射索引,和相应关系被讨论。而且,一个新奇察觉到特征关于倾斜的长时期纤维栅栏被调查,它与传播有关是反响的波长和山峰振幅。 | Qi LI Fengping YAN Peng LIU Wanjing PENG Guolu YIN Ting FENG | 2012 | Photonic Sensors2012，2，2： | 0 |
| 20 | Enrichment of anchoring sites by introducing supramolecular halogen bonds for the efficient perovskite nanocrystal LEDs显示文摘Considering the multi-functionalization of ligands,it is crucial for ligand molecular design to reveal the landscape of anchoring sites.Here,a typical triphenylphosphine(TPP)ligand was employed to explore its effect on the surface of CsPbI_(3)perovskite nanocrystals(PNCs).Except for the conventionally considered P-Pb coordination,an P-I supramolecular halogen bonding was also found on the NC surface.The coexistence of the above two types of bonding significantly increased the formation energy of iodine vacancy defects and improved the photoluminescence quantum yield of PNCs up to 93%.Meanwhile,the direct interaction of P and I enhanced the stability of the Pb-I octahedra and dramatically inhibited the migration of I ions.Furthermore,the introduction of additional benzene rings(2-(Diphenylphosphino)-biphenyl(DPB))increased the delocalized properties of the PNC surface and significantly improved the charge transport of the PNCs.As a result,the DPB passivated CsPbI_(3)NCs based top-emitting LEDs exhibite a peak external quantum efficiency(EQE)of 22.8%,a maximum luminance of 15,204 cd m^(−2),and an extremely low-efficiency roll-off of 2.6%at the current density of 500 mA cm^(−2). | Po Lu Ting Li Min Lu Cheng Ruan Siqi Sun Zhennan Wu Yuan Zhong Fujun Zhang Yanbo Gao Yaowei Huang Yang Wang Junhua Hu Fengping Yan Yu Zhang | 2023 | Light(Science & Applications)2023，12，10： | 0 |
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