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| 1 | Angular color uniformity enhancement of white light-emitting diodes by remote micro-patterned phosphor film显示文摘Angular color uniformity(ACU)is a key factor used to evaluate the light quality of white-light emitting diodes(LEDs).In this study,a novel double remote micro-patterned phosphor film(double RMPP film)was used to enhance the ACU of a remote phosphor(RP)down-light lamp.A conventional RP film and remote phosphor film with single micro-patterned film(single RMPP film)also were examined for comparison.The angular correlated color temperature(CCT)distributions and the optical performance of the films were experimentally measured.The measurement results showed that double RMPP film configuration exhibited better color uniformity with a CCT deviation of only 441 K,compared with 556 K for the single RMPP film configuration and 1390 K for the RP film configuration.A simulation based on FDTD and ray tracing combined method also confirmed the ACU improvement.In addition,compared with the conventional RP film,the luminous efficiency of single and double RMPP film configurations was increased by 6.68% and 4.69%,respectively,at a driving current of 350 mA.The enhancement of the ACU and luminous efficiency are due to the scattering and mixing effect of the micropatterned film.Moreover,the double RMPP film configuration had better CCT stability at different currents than the other two configurations.The results demonstrated the effectiveness and superiority of double RMPP film in white LED applications. | Shudong Yu Zongtao Li Guanwei Liang Yong Tang Binhai Yu Kaihang Chen | 2016 | Photonics Research2016，4，4： | 5 |
| 2 | Review of blue perovskite light emitting diodes with optimization strategies for perovskite film and device structure显示文摘Perovskite light emitting diodes(PeLEDs)have attracted considerable research attention because of their external quantum efficiency(EQE)of>20%and have potential scope for further improvement.However,compared to red and green PeLEDs,blue PeLEDs have not been extensively investigated,which limits their commercial applications in the fields of luminance and full-color displays.In this review,blue-PeLED-related research is categorized by the composition of perovskite.The main challenges and corresponding optimization strategies for perovskite films are summarized.Next,the novel strategies for the design of device structures of blue PeLEDs are reviewed from the perspective of transport layers and interfacial layers.Accordingly,future directions for blue PeLEDs are discussed.This review can be a guideline for optimizing perovskite film and device structure of blue PeLEDs,thereby enhancing their development and application scope. | Zongtao Li Kai Cao Jiasheng Li Yong Tang Xinrui Ding Binhai Yu | 2021 | Opto-Electronic Advances2021，4，2： | 3 |
| 3 | Enhanced optical and thermal performance of white light-emitting diodes with horizontally layered quantum dots phosphor nanocomposites显示文摘Due to their good color rendering ability, white light-emitting diodes(WLEDs) with conventional phosphor and quantum dots(QDs) are gaining increasing attention. However, their optical and thermal performances are still limited especially for the ones with QDs-phosphor mixed nanocomposites. In this work, we propose a novel packaging scheme with horizontally layered QDs-phosphor nanocomposites to obtain an enhanced optical and thermal performance for WLEDs. Three different WLEDs, including QDs-phosphor mixed type, QDsoutside type, and QDs-inside type, were fabricated and compared. With 30 wt. % phosphor and 0.15 wt. % QDs nanocomposite, the QDs-outside type WLED shows a 21.8% increase of luminous efficiency, better color rendering ability, and a 27.0% decrease of the maximum nanocomposite temperature at 400 mA, compared with the mixed-type WLED. The reduced re-absorption between phosphor and QDs is responsible for the performance enhancement when they are separated. However, such reduced absorption can be traded off by the improper layered configuration, which is demonstrated by the worst performance of the QDs-inside type. Further, we demonstrate that the higher energy transfer efficiency between excitation light and nanocomposite in the QDs-outside type WLED is the key reason for its enhanced optical and thermal performance. | SHUDONG Yu YONG TANG ZONGTAO LI KAIHANG CHEN XINRUI DING AND BINHAI Yu | 2018 | Photonics Research2018，6，2： | 2 |
| 4 | Targeting RAS phosphorylation in cancer therapy:Mechanisms and modulators显示文摘RAS,a member of the small GTPase family,functions as a binary switch by shifting between inactive GDP-loaded and active GTP-loaded state.RAS gain-of-function mutations are one of the leading causes in human oncogenesis,accounting for w19%of the global cancer burden.As a well-recognized target in malignancy,RAS has been intensively studied in the past decades.Despite the sustained efforts,many failures occurred in the earlier exploration and resulted in an‘undruggable’feature of RAS proteins.Phosphorylation at several residues has been recently determined as regulators for wild-type and mutated RAS proteins.Therefore,the development of RAS inhibitors directly targeting the RAS mutants or towards upstream regulatory kinases supplies a novel direction for tackling the anti-RAS difficulties.A better understanding of RAS phosphorylation can contribute to future therapeutic strategies.In this review,we comprehensively summarized the current advances in RAS phosphorylation and provided mechanistic insights into the signaling transduction of associated pathways.Importantly,the preclinical and clinical success in developing anti-RAS drugs targeting the upstream kinases and potential directions of harnessing allostery to target RAS phosphorylation sites were also discussed. | Yuran Qiu Yuanhao Wang Zongtao Chai Duan Ni Xinyi Li Jun Pu Jie Chen Jian Zhang Shaoyong Lu Chuan Lv Mingfei Ji | 2021 | Acta Pharmaceutica Sinica B2021，11，11： | 1 |
| 5 | The secretory pathway and the actomyosin motility system are required for plasmodesmatal localization of the P7-1 of rice black-streaked dwarf virus显示文摘 | Zongtao Sun Shanglin Zhang Li Xie Qisong Zhu Zilong Tan Jing Bian Liying Sun Jianping Chen | 2013 | Archives of Virology2013，，5： | 1 |
| 6 | Experimental Study on CTOD Fracture Toughness of Welded Joints of LowTemperature Steel 显示文摘 | FANG Zongtao SUN Bo LI Chunrun | 2011 | Advanced Materials Research2011，，328330： | 1 |
| 7 | Synthesis and Characterization of Cu Decorated Zeolite A@Void@Et-PMO Nanocomposites for Removal of Methylene Blue by a Heterogeneous Fenton Reaction显示文摘Hydrothermal synthesized nano zeolite A has been encapsulated with ethyl bridged periodic mesoporous organosilica(Et-PMO) shell tlirougli a simple modified Stober method and an organosilane-directed growth-induced etching strategy, the obtained yolk-shell structured A@Et-PMO nanocomposite(YS-A@Et-PMO) was further functionalized by the impregnation of copper ions, realizing the composite material with hierarchical porous and catalytic properties. The morphology and metal content of the Cu/A and Cu/YS-A@Et-PMO were fully characterized. As compared to tlie parent material, the composite Cu/YS-A@Et-PMO has an efficient adsorption and catalytic degradation performance on methylene blue(MB), the removal efficiency reached as high as 95% of 60 mg/L MB within 10 min. These novel structured porous composites may have great potential application for the removal of organic dye including waste effluents. | LI Xiayu ZENG Shangjing QU Xuejian DAI Jinyu LIU Xiaofang WANG Runwei ZHANG Zongtao QIU Shilun | 2019 | Chemical Research in Chinese Universities2019，35，3： | 1 |
| 8 | Quantification ofeugenol and bancroftione in Caryophylli Fructus using high-per-formance liquid chromatography显示文摘 | Liu Shujuan Li Zongtao Wang Hong | 2010 | J Chin Pharm Sci2010，19，10： | 1 |
| 9 | A coning compensation algorithm for SINS in high dynamic motion显示文摘 | LI Zongtao WU Tiejun MA Longhua | 2011 | Journal of control engineering and applied informatics2011，13，3： | 1 |
| 10 | Surface microstructure-controlled ZrO_(2) for highly sensitive room-temperature NO2 sensors显示文摘The high sensitivity of room-temperature gas sensors is the key to innovation in the areas of environment,energy conservation and safety.However,metal-oxide-based sensors generally operate at high temperatures.Herein,we designed three ZrO_(2)-based sensors and explored their NO_(2)sensing properties at room temperature.ZrO_(2)with three different morphologies and microstructure were synthesized by simple hydrothermal methods.The microstructures of sensing materials are expected to significantly affect gas sensing properties.The rod-shaped ZrO_(2)(ZrO_(2)-R)displayed the advantages such as higher crystallinity,larger pore size,narrower band gap and more chemisorbed adsorbed oxygen,compared to hollow sphere-shaped ZrO_(2)(ZrO_(2)-HS),stellate-shaped ZrO_(2)(ZrO_(2)–S).The ZrO_(2)-R sensor showed the highest response towards 30 ppm NO_(2)(423.8%)at room temperature,and a quite high sensitivity of 198.0%for detecting 5 ppm NO_(2).Although ZrO_(2)-HS and ZrO_(2)–S sensors exhibited lower response towards 30 ppm NO_(2)(232.9%and 245.1%),the response time and recovery time of these two sensors are 5 s/19 s and 4 s/3 s,respectively.This work can provide a new strategy for the development of roomtemperature metal-oxide-based sensors. | Yuhua Yan Zongtao Ma Jingyao Sun Miaomiao Bu Yanming Huo Ziying Wang Yunfei Li Ning Hu | 2021 | Nano Materials Science2021，3，3： | 1 |
| 11 | Fe_(3)O_(4)@C 3D foam for strong low-frequency microwave absorption显示文摘Low-frequency microwave absorbing materials have been challenging for many years.Three-dimensional dielectric/magnetic porous materials are beneficial for improving the low-frequency microwave absorbing performance because of natural resonance and improved impedance matching.In this study,Fe_(3)O_(4)@C 3D foam was prepared by carbothermal reduction method and the microwave attenuation performances and mechanisms were studied.By adjusting the content of Fe_(3)O_(4)@C 3D foam in paraffin composites,the low-frequency microwave attenuation capacity could be effectively optimized.The minimum reflection loss(RLmin)of paraffin composite with 40%(in mass fraction)loading exhibits-54.7 dB at 4.1 GHz for a thickness of 4.0 mm.Surprisingly,the paraffin composite with 50%(in mass fraction)loading could almost cover 2–4 GHz(S-band)in the thickness range of 3.5–5.5 mm.The strong low-frequency microwave attenuation property of Fe_(3)O_(4)@C 3D foam is mainly attributed to excellent low-frequency impedance matching,natural resonance,interfacial/dipole polarization,multiple reflection and scattering.This method provides a new perspective for preparing lightweight and high performance low-frequency microwave absorbing materials. | Li Wang Zhang Chen Xue Wang Liying Zhang Zongtao Zhang Qi Zhao Yanfeng Gao | 2023 | Journal of Materiomics2023，9，1： | 1 |
| 12 | Preventing formation of intermetallic compounds in ultrasonic-assisted Sn soldering of Mg/Al alloys through pre-plating a Ni coating layer on the Mg substrate显示文摘Magnesium and aluminum alloys are widely used in various industries because of their excellent properties,and their reliable connection may increase application of materials.Intermetallic compounds(IMCs)affect the joint performance of Mg/Al.In this study,AZ31 Mg alloy with/without a nickel(Ni)coating layer and 6061 Al alloy were joined by ultrasonic-assisted soldering with Sn-3.0Ag-0.5Cu(SAC)filler.The effects of the Ni coating layer on the microstructure and mechanical properties of Mg/Al joints were systematically investigated.The Ni coating layer had a significant effect on formation of the Mg_(2)Sn IMC and the mechanical properties of Mg/Al joints.The blocky Mg_(2)Sn IMC formed in the Mg/SAC/Al joints without a Ni coating layer.The content of the Mg_(2)Sn IMC increased with increasing soldering temperature,but the joint strength decreased.The joint without a Ni coating layer fractured at the blocky Mg_(2)Sn IMC in the solder,and the maximum shear strength was 32.2 MPa.By pre-plating Ni on the Mg substrate,formation of the blocky Mg_(2)Sn IMC was inhibited in the soldering temperature range 240–280℃and the joint strength increased.However,when the soldering temperature increased to 310℃,the blocky Mg_(2)Sn IMC precipitated again in the solder.Transmission electron microscopy showed that some nano-sized Mg_(2)Sn IMC and the(Cu,Ni)_(6)Sn_(5)phase formed in the Mg(Ni)/SAC/Al joint soldered at 280℃,indicating that the Ni coating layer could no longer prevent diffusion of Mg into the solder when the soldering temperature was higher than 280℃.The maximum shear strength of the Mg(Ni)/SAC/Al joint was 58.2 MPa for a soldering temperature of 280℃,which was 80.7%higher than that of the Mg/SAC/Al joint,and the joint was broken at the Mg(Ni)/SAC interface.Pre-plating Ni is a feasible way to inhibit formation of IMCs when joining dissimilar metals. | Yingzong Liu Yuanxing Li Hui Chen Zongtao Zhu | 2024 | Journal of Magnesium and Alloys2024，12，2： | 0 |
| 13 | Fekete-Szego Problem Associated with k-th Root Transformation for the Inverse of Univalent Functions Defined by Quasi-Subordination显示文摘In this paper, we estimate the Fekete-Szego functional with k-th root transform for the inverse of certain classes of analytic univalent functions using quasi-subordination. | Dong GUO Huo TANG En AO Zongtao LI | 2021 | Journal of Mathematical Research with Applications2021，41，5： | 0 |
| 14 | Rational construction and triethylamine sensing performance of foam shapedα-MoO_(3)@SnS_(2) nanosheets显示文摘Owing to their high surface area,stable structure and easy fabrication,composite nanomaterials with encapsulation structures have attracted considerable research interest as sensing materials to detect volatile organic compounds.Herein,a hydrothermal route is designed to prepare foam shapedα-MoO_(3)@SnS_(2)nanosheets that exhibit excellent sensing performance for triethylamine(TEA).The developed sensor,based onα-MoO_(3)@SnS_(2)nanosheets,displays a high response of 114.9 for 100 ppm TEA at a low working temperature of 175℃with sensitivity higher than many other reported sensors.In addition,the device shows a wide concentration detection range(from 500 ppb to 500 ppm),good stability after exposure to air for 80 days,and excellent selectivity.The superior sensing characteristics of the developed sensor are attributed to the high crystallinity ofα-MoO_(3)/SnS_(2),excessive and accessible active sites provided by the good permeability of porous SnS_(2)shells,and the excellent conductivity of the encapsulation heterojunction structure.Thus,the foam shapedα-MoO_(3)@SnS_(2)nanosheets presented herein have promising practical applications in TEA gas sensing devices. | Xianhui Dong Qing Han Yaru Kang Haidong Li Xinyu Huang Zhengtao Fang Huimin Yuan Ahmed A.Elzatahry Zongtao Chi Guanglei Wu Wanfeng Xie | 2022 | Chinese Chemical Letters2022，33，1： | 0 |
| 15 | Coefficient Estimates for Several Classes of Meromorphically Bi-Univalent Functions显示文摘In this paper, we investigate the bounds of the coefficients of several classes of meromorphic bi-univalent functions. The results presented in this paper improve or generalize the recent works of other authors. | Dong GUO Zongtao LI Liangpeng XIONG | 2018 | Journal of Mathematical Research with Applications2018，38，6： | 0 |
| 16 | A secreted salivary effector from Riptortus pedestris impairs soybean defense through modulating phytohormone signaling pathways显示文摘Riptortus pedestris(Fabricius),one of the major piercing-sucking insects in soybeans,causes delayed plant senescence and abnormal pods,known as staygreen syndrome.Recent research has shown that direct feeding of this insect is the major cause of soybean staygreen syndrome.However,it remains unclear whether R.pedestris salivary proteins play vital roles in insect infestation.Here,we found that 4 secretory salivary proteins can induce cell death in Nicotiana benthamiana by transient heterologous expression.The cell death induced by Rp2155 relies on the nucleotide-binding leucine-rich repeat helper,HSP90.Tissue-specificity assays indicated that Rp2155 is specifically expressed in the salivary gland of R.pedestris and is significantly induced during insect feeding.The expression of salicylic acid(SA)-,jasmonic acid(JA)-related genes was increased in soybean when fed by Rp2155-silenced R.pedestris.More importantly,soybean staygreen symptoms caused by R.pedestris were significantly alleviated when Rp2155 was silenced.Together,these results suggest that the salivary effector Rp2155 is involved in promoting insect infestation by suppressing the JA and SA pathways,and it can be considered as a potential RNA interference target for insect control. | Yue Huang Biao Hu Zhongyan Wei Shiqi Shan Chunyun Guo Hehong Zhang Yanjun Li Jianping Chen Xue Kang Haijian Huang Zongtao Sun | 2023 | Insect Science2023，30，6： | 0 |
| 17 | Water-stable CsPbBr3 perovskite quantum-dot luminous fibers fabricated by centrifugal spinning for dual white light illumination and communication显示文摘Lead halide perovskite quantum dots(PQDs)display remarkable photoelectric performance.However,defects such as weak stability in air and water environments limit the development of lead halide PQDs in solid-state light applications.Herein,centrifugal spinning is used for the fabrication of stable luminous CsPbBr3 PQD nanofibers.After immersion in water for 11 months,the PQD fibers still maintained considerable photoluminescence quantum yield,showing high stability in hostile environments.The water-stability mechanism of the fibers can be explained by the changing defect density,crystal growth of PQDs,and the molecular transformation at the fiber surface.The white LED based on the CsPbBr3 fibers exhibits satisfying color gamut performance(128%of National Television System Committee).Due to the short photoluminescence lifetime of CsPbBr3 PQDs,the communication potential is also considered.The CsPbBr3 fibers obtained by centrifugal spinning present a bandwidth of 11.2 MHz,showing promising performance for solid-state light and visible light communication applications. | BINHAI YU SHUNMING LIANG FENGYI ZHANG ZONGTAO LI BIN LIU XINRUI DING | 2021 | Photonics Research2021，9，8： | 0 |
| 18 | Expression Characteristics and Potential Function of Neuropeptide MIP in Larval Settlement of the Echiuran Worm Urechis unicinctus显示文摘Larval settlement and metamorphosis are important developmental events in marine invertebrates.Some neuropeptides may play a key role in these processes.In this study,we revealed the expression characteristics of myoinhibitory peptide(MIP)in the embryos and larvae of the echiuran worm Urechis unicinctus using RT-qPCR,in situ hybridization and immunofluorescence techniques,and found its location in the top cells of the upper hemisphere was conservative in larvae.Furthermore,we used the active MIP peptide to verify its role in inducing the larval settlement of U.unicinctus,and confirmed that MIP can trigger an obvious larval settlement when 10μmol L^(−1) or 15μmol L^(−1) MIP was added in the seawater where early-segmentation larvae were cultured.Our finding indicated that neuropeptide MIP participates in the larval settlement in U.unicinctus. | LU Li ZHANG Zhifeng ZHENG Qiaojun CHEN Zongtao BAI Shumiao ZHANG Zhengrui | 2022 | Journal of Ocean University of China2022，21，4： | 0 |
| 19 | Toeplitz Determinants for the Inverse of Starlike Functions Connected with the Sine Function显示文摘Let S_s*be the class of normalized functions f defined in the open unit■such that the quantity zf’(z)/f(z)lies in an eight-shaped region in the right-half plane and satisfies the condition■.In this paper,we aim to investigate Toeplitz determinants for the inverse of this function classes S_s*associated with sine function. | Dong GUO Zongtao LI Huo TANG En AO | 2021 | Journal of Mathematical Research with Applications2021，41，2： | 0 |
| 20 | Separation of Recombinant Geranylgeranyl Diphosphate Synthase of Deinococcus radiodurans from Expressed Strain Cell Homogenate by Immobilized Metal Affinity Chromatography on a Characterized Monolithic Cryogel Column显示文摘Geranylgeranyl diphosphate synthase (GGPPS) plays a key role in the biosynthesis of antioxidative ca-rotenoid from the extremely radioresistant bacterium Deinococcus radiodurans. In this work, the recombinant GGPPS expressed in Escherichia coli by cloning and transforming the gene dr1395 of D. radiodurans was isolated rapidly by an immobilized metal affinity supermacroporous cryogel, i.e., Cu2+-iminodiacetic acid (IDA)-cryogel. The properties of the Cu2+-IDA-cryogel were characterized using capillary-based mathematical model and experi-mental measurements. The obtained protein samples were analyzed by the sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). The porosity of the present Cu2+-IDA-cryogel is 90.4% and the water permeabil-ity is 5.04×10-12 m2. From the capillary-based model, this cryogel presents a slightly wide normal pore (capillary) size distribution with the mean diameter of 55.2 μm, the standard deviation of 28.0 μm and the half of skeleton wall thickness of 2.8 μm. The pore size distribute from about 10 to 141 μm and the effective tortuosity of these capillary pores increases from 2.60 to 9.05. The isolation of the GGPPS from cell homogenate can be achieved at the flow velocity of 3.40×10-4 m·s-1 by the Cu2+-IDA-cryogel bed. High-purity GGPPS (about 91.4%) is obtained according to the SDS-PAGE analysis of the elution samples, indicating that the present method is a promising, simple and ef-fective approach to isolate GGPPS from cell homogenate of engineering strains. | SHEN Shaochuan WANG Liangyan SUN Zongtao LI Mingfeng LIU Chengzhi TIAN Bing YUN Junxian HUA Yuejin | 2013 | Chinese Journal of Chemical Engineering2013，21，6： | 0 |
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