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| 1 | MdGSTF6,activated by MdMYB1,plays an essential role in anthocyanin accumulation in apple显示文摘Anthocyanins are biosynthesized on the cytosolic surface of the endoplasmic reticulum and then transported into the vacuole for storage.Glutathione S-transferases(GSTs)are considered to be responsible for the transport of anthocyanins into the vacuole.However,the regulatory mechanisms of GSTs in plants are still unclear.Here,we performed a genome-wide analysis and identified 69 GST genes in apple.The expression of MdGSTF6 was positively correlated with the anthocyanin content(r=0.949)during‘Yanfu 8’fruit development.The overexpression of MdGSTF6 in the Arabidopsis thaliana tt19 mutant resulted in seedlings of 35S::MdGSTF6-GFP/tt19 that could accumulate anthocyanin and rescue its phenotype,suggesting that MdGSTF6 was an anthocyanin transporter.The silencing of MdGSTF6 affected anthocyanin accumulation in apple fruit.Moreover,the knockdown of MdGSTF6 by RNA interference in cultured‘Gala’seedlings inhibited anthocyanin accumulation.The interaction experiments showed that MdMYB1 could bind directly to the MdGSTF6 promoter to transcriptionally activate its expression.Collectively,our results demonstrate that MdGSTF6 encodes an important GST transporter of anthocyanins in apple fruit and provide evidence for the associated regulatory mechanisms.Therefore,MdMYB1 can not only regulate anthocyanin synthesis,but also control the transport of anthocyanin in apples.This information may be useful for further clarifying the regulation of anthocyanin transport in apple. | Shenghui Jiang Min Chen Naibo He Xiaoliu Chen Nan Wang Qingguo Sun Tianliang Zhang Haifeng Xu Hongcheng Fang Yicheng Wang Zongying Zhang Shujing Wu Xuesen Chen | 2019 | Horticulture Research2019，6，1： | 16 |
| 2 | Relating Cd2+binding by humic acids to molecular weight:A modeling and spectroscopic study显示文摘Molecular weight(Mw) is a fundamental property of humic acids(HAs), which considerably affect the mobility and speciation of heavy metals in the environment. In this study, soil humic acid(HA) extracted from Jinyun Mountain, Chongqing was ultra-filtered into four fractions according to the molecular weight, and their properties were characterized.Complexation of cadmium was investigated by titration experiments. For the first time,Langmuir and non-ideal competitive adsorption-Donna(NICA-Donnan) models combined with fluorescence excitation-emission matrix(EEM) quenching were employed to elucidate the binding characteristics of individual Mw fractions of HA. The results showed that the concentration of acidic functional groups decreased with increasing Mw, especially the phenolic groups. The humification degree and aliphaticity increased with increasing Mw as indicated by elemental composition analysis and FT-IR spectra. The binding capacity of Cd^(2+) to Mw fractions of HA followed the order UF1(< 5 kDa) > UF2(5–10 kDa) > UF4(> 30 kDa) > UF3(10–30 kDa). Moreover, the distribution of cadmium speciation indicated that the phenolic groups were responsible for the variations in binding of Cd^(2+) among different Mw fractions. The results of fluorescence quenching illustrated that the binding capacity of Cd^(2+) to Mw fractions was controlled by the content of functional groups, while the binding affinity was largely influenced by structural factors. The results provide a better understanding of the roles that different HA Mw fractions play in heavy metal binding,which has important implications in the control of heavy metal migration and bio-toxicity. | Hongcheng Bai Zhenmao Jiang Minjin He Biying Ye Shiqiang Wei | 2018 | Journal of Environmental Sciences2018，30，8： | 7 |
| 3 | Design of Flexible Films Based on Kinked Carbon Nanofibers for High Rate and Stable Potassium-Ion Storage显示文摘With the emergence of wearable electronics,flexible energy storage materials have been extensively studied in recent years.However,most studies focus on improving the electrochemical properties,ignoring the flexible mechanism and structure design for flexible electrode materials with high rate capacities and long-time stability.In this study,porous,kinked,and entangled network structures are designed for highly flexible fiber films.Based on theoretical analysis and finite element simulation,the bending degree of the porous structure(30%porosity)increased by 192%at the micro-level.An appropriate increase in kinking degree at the meso-level and contact points in entanglement network at the macro-level are beneficial for the flexibility of fiber films.Therefore,a porous and entangled network of sulfur-/nitrogen-co-doped kinked carbon nanofibers(S/N-KCNFs)is synthesized.The nanofiber films synthesized from melamine as nitrogen sources and segmented vulcanization exhibited a porous,kinked,and entangled network structure,and the stretching degree increased several times.The flexible S/N-KCNFs anode delivered a higher rate performance of 270 mAh g−1 at a current density of 2000 mA g−1 and a higher capacity retention rate of 93.3%after 2000 cycles.Moreover,the foldable pouch cell assembled by potassium-ion hybrid supercapacitor operated safely at large-angle bending and showed long-time stability of 88%capacity retention after 4000 cycles.This study provides a new idea and strategy for the flexible structure design of high-performance potassium-ion storage materials. | Qiaotian Xiong Hongcheng He Ming Zhang | 2022 | Nano-Micro Letters2022，14，3： | 2 |
| 4 | Enabling Multi-Chemisorption Sites on Carbon Nanofibers Cathodes by an In-situ Exfoliation Strategy for High-Performance Zn–Ion Hybrid Capacitors显示文摘Carbon nanofibers films are typical flexible electrode in the field of energy storage,but their application in Zinc-ion hybrid capacitors(ZIHCs)is limited by the low energy density due to the lack of active adsorption sites.In this work,an in-situ exfoliation strategy is reported to modulate the chemisorption sites of carbon nanofibers by high pyridine/pyrrole nitrogen doping and carbonyl functionalization.The experimental results and theoretical calculations indicate that the highly electronegative pyridine/pyrrole nitrogen dopants can not only greatly reduce the binding energy between carbonyl group and Z n2+by inducing charge delocalization of the carbonyl group,but also promote the adsorption of Zn2+by bonding with the carbonyl group to form N–Zn–O bond.Benefit from the multiple highly active chemisorption sites generated by the synergy between carbonyl groups and pyridine/pyrrole nitrogen atoms,the resulting carbon nanofibers film cathode displays a high energy density,an ultralong-term lifespan,and excellent capacity reservation under commercial mass loading(14.45 mg cm-2).Particularly,the cathodes can also operate stably in flexible or quasi-solid devices,indicating its application potential in flexible electronic products.This work established a universal method to solve the bottleneck problem of insufficient active adsorption sites of carbon-based ZIHCs.Imoproved should be changed into Improved. | Hongcheng He Jichun Lian Changmiao Chen Qiaotian Xiong Cheng Chao Li Ming Zhang | 2022 | Nano-Micro Letters2022，14，7： | 2 |
| 5 | 显示文摘 | He Ping Shen Xinghai Gao Hongcheng | 2005 | J Colloid Interface Sci2005，284，： | 1 |
| 6 | Optimization 显示文摘 | Hongcheng He Lin Cui Qianwen Chen | 2014 | Biomedicine andHealth2014，19，： | 1 |
| 7 | Change of phase state during multi-cycle injection and production process of condensate gas reservoir based underground gas storage显示文摘Based on the differences in production mode and operation process between gas storage and gas reservoir,we established a phase balance test procedure and a theoretical simulation model of phase balance during multi-cycles of injection and production of underground gas storage(UGS)rebuilt from condensate gas reservoir to study the phase characteristics of produced and remaining fluids during multi-cycles of injection and production.Take condensate reservoir gas storage as example,the composition of produced fluid and remaining fluid,phase state of remaining fluid,retrograde condensate saturation and condensate recovery degree in the process of multi-cycles of injection-production were studied through multi-cycle injection-production experiment and phase equilibrium theory simulation.The injected gas could greatly improve the recovery of condensate oil in the gas reservoir,and the condensate oil recovery increased by 42% after 5 cycles of injection and production;the injected gas had significant evaporative and extraction effects on the condensate,especially during the first two cycles;the condensate oil saturation of the formation decreased with the increase of injection-production cycles,and the condensate oil saturation after multi-cycles of injection-production was almost 0;the storage capacity increased by about 7.5% after multi-cycles of injection and production,and the cumulative gas injection volume in the 5 th cycle increased by about 25%compared with that in the 1 st cycle. | TANG Yong LONG Keji WANG Jieming XU Hongcheng WANG Yong HE Youwei SHI Lei ZHU Huayin | 2021 | Petroleum Exploration and Development2021，48，2： | 1 |
| 8 | Comparison of Capillary and Venous Glucose Concentrations:A Real-world Study in Patients Undergoing Fluorodeoxyglucose-positron Emission Tomography显示文摘Objective Fasting capillary blood glucose(CBG)must be measured before fluorodeoxyglucose-positron emission tomography(FDG-PET)imaging.In this study,we aimed to investigate whether a recently measured fasting venous blood glucose(VBG)concentration could be substituted for CBG.Methods This retrospective study included 520 of 1,378 patients who had undergone FDG-PET at our institution in June 2022.None of the study patients had a history of diabetes mellitus.Each study patient’s CBG was measured immediately before FDG administration,whereas the VBG(VBG<7.8 mmol/L)was measured within one week before and after PET imaging.We used Bland−Altman plots to compare the two blood glucose concentrations.Results The 520 participants(315 male,205 female;ages 13-87 years)accounted for 37.7%(520/1378)of all patients.The median CBG and VBG were 5.7 mmol/L(interquartile range,5.2-6.2 mmol/L)and 5.1 mmol/L(interquartile range,4.8-5.8 mmol/L),respectively.There was a moderate positive correlation between CBG and VBG(r=0.4370,95%CI:0.3625-0.5059,P<0.0001).Bland-Altman plots revealed that only 5.8%(30/520)of the dots exceeded the 95%limits of agreement and these were all within acceptable limits,indicating that the bias was not clinically significant.Conclusion When performing FDG-PET on patients without diabetes,a VBG of<7.8 mmol/L within the previous week may be an acceptable alternative to CBG. | Ha WU Guobing LIU Yibo HE Zhe ZHENG Hongcheng SHI | 2022 | Clinical Cancer Bulletin2022，1，3： | 0 |
| 9 | Rabi oscillations in a stretching molecule显示文摘Rabi oscillation is an elementary laser-driven physical process in atoms and artificial atoms from solid-state systems,while it is rarely demonstrated in molecules.Here,we investigate the bond-length-dependent Rabi oscillations with varying Rabi frequencies in strong-laser-field dissociation of H2+.The coupling of the bond stretching and Rabi oscillations makes the nuclei gain different kinetic energies while the electron is alternatively absorbing and emitting photons.The resulting proton kinetic energy spectra show rich structures beyond the prediction of the Floquet theorem and the well-accepted resonant one-photon dissociation pathway.Our study shows that the laser-driven Rabi oscillations accompanied by nuclear motions are essential to understanding the bond-breaking mechanism and provide a time-resolved perspective to manipulate rich dynamics of the strong-laser-field dissociation of molecules. | Shengzhe Pan Chenxi Hu Wenbin Zhang Zhaohan Zhang Lianrong Zhou Chenxu Lu Peifen Lu Hongcheng Ni Jian Wu Feng He | 2023 | Light(Science & Applications)2023，12，2： | 0 |
| 10 | Low-Energy Protons in Strong-Field Dissociation of H_(2)^(+) via Dipole-Transitions at Large Bond Lengths显示文摘More than ten years ago,the observation of the low-energy structure in the photoelectron energy spectrum,regarded as an“ionization surprise,”has overthrown our understanding of strong-field physics.However,the similar low-energy nuclear fragment generation from dissociating molecules upon the photon energy absorption,one of the well-observed phenomena in light-molecule interaction,still lacks an unambiguous mechanism and remains mysterious.Here,we introduce a time-energy-resolved manner using a multicycle near-infrared femtosecond laser pulse to identify the physical origin of the light-induced ultrafast dynamics of molecules.By simultaneously measuring the bond-stretching times and photon numbers involved in the dissociation of H_(2)^(+) driven by a polarization-skewed laser pulse,we reveal that the low-energy protons(below 0.7 eV)are produced via dipole-transitions at large bond lengths.The observed low-energy protons originate from strong-field dissociation of high vibrational states rather than the low ones of H_(2)^(+) cation,which is distinct from the well-accepted bond-softening picture.Further numerical simulation of the time-dependent Schrödinger equation unveils that the electronic states are periodically distorted by the strong laser field,and the energy gap between the field-dressed transient electronic states may favor the one-or three-photon transitions at the internuclear distance larger than 5 a.u.The time-dependent scenario and our time-energy-resolved approach presented here can be extended to other molecules to understand the complex ultrafast dynamics. | Shengzhe Pan Chenxi Hu Zhaohan Zhang Peifen Lu Chenxu Lu Lianrong Zhou Jiawei Wang Fenghao Sun Junjie Qiang Hui Li Hongcheng Ni Xiaochun Gong Feng He Jian Wu | 2022 | Ultrafast Science2022，，2： | 0 |
| 11 | FUS-mediated HypEVs: Neuroprotective effects against ischemic stroke显示文摘Few studies have investigated the properties and protein composition of small extracellular vesicles (sEVs) derived from neurons under hypoxic conditions. Presently, the extent of the involvement of these plentiful sEVs in the onset and progression of ischemic stroke remains an unresolved question. Our study systematically identified the characteristics of sEVs derived from neurons under hypoxic conditions (HypEVs) by physical characterization, sEV absorption, proteomics and transcriptomics analysis. The effects of HypEVs on neurites, cell survival, and neuron structure were assessed in vitro and in vivo by neural complexity tests, magnetic resonance imaging (MRI), Golgi staining, and Western blotting of synaptic plasticity-related proteins and apoptotic proteins. Knockdown of Fused in Sarcoma (FUS) small interfering RNA (siRNA) was used to validate FUS-mediated HypEV neuroprotection and mitochondrial mRNA release. Hypoxia promoted the secretion of sEVs, and HypEVs were more easily taken up and utilized by recipient cells. The MRI results illustrated that the cerebral infarction volume was reduced by 45% with the application of HypEVs, in comparison to the non- HypEV treatment group. Mechanistically, the FUS protein is necessary for the uptake and neuroprotection of HypEVs against ischemic stroke as well as carrying a large amount of mitochondrial mRNA in HypEVs. However, FUS knockdown attenuated the neuroprotective rescue capabilities of HypEVs. Our comprehensive dataset clearly illustrates that FUS-mediated HypEVs deliver exceptional neuroprotective effects against ischemic stroke, primarily through the maintenance of neurite integrity and the reduction of mitochondria-associated apoptosis. | Yousheng Wu Xiaoxiong Huang Zefeng Tan Jiankun Zang Min Peng Niu He Tao Zhang Hongcheng Mai Anding Xu Dan Lu | 2023 | Bioactive Materials2023，，11： | 0 |
| 12 | Airborne sparse flight array SAR 3D imaging based on compressed sensing in frequency domain显示文摘In airborne array synthetic aperture radar(SAR), the three-dimensional(3D) imaging performance and cross-track resolution depends on the length of the equivalent array. In this paper, Barker sequence criterion is used for sparse flight sampling of airborne array SAR, in order to obtain high cross-track resolution in as few times of flights as possible. Under each flight, the imaging algorithm of back projection(BP) and the data extraction method based on modified uniformly redundant arrays(MURAs) are utilized to obtain complex 3D image pairs. To solve the side-lobe noise in images, the interferometry between each image pair is implemented, and compressed sensing(CS) reconstruction is adopted in the frequency domain. Furthermore, to restore the geometrical relationship between each flight, the phase information corresponding to negative MURA is compensated on each single-pass image reconstructed by CS. Finally,by coherent accumulation of each complex image, the high resolution in cross-track direction is obtained. Simulations and experiments in X-band verify the availability. | TIAN He DONG Chunzhu YIN Hongcheng YUAN Li | 2023 | Journal of Systems Engineering and Electronics2023，34，1： | 0 |
| 13 | Studies of the Anomaly of Hall Coefficient in High T_(c) Superconducting Thin Films显示文摘Measurements of the Hall coefficient(RH)were carried out for a polycrystalline YBa_(2)Cu_(3)O_(7-y) film,a well oriented YBa_(2)Cu_(3)O_(7-y) film and an oriented GdBa_(2)Cu_(3)O_(7-y) film.Sign change of RH was observed for the two YBa_(2)Cu_(3)O_(7-y) films near Tc,but not for the GdBa_(2)Cu_(3)O_(7-y) film which contains partly the component of(110)orientation.The RH anisotropy model proposed previously turns out to be incorrect.Why the YBa_(2)Cu_(3)O_(7-y) films experience sign change of RH while the GdBa_(2)Cu_(3)O_(7-y) film does not is tentatively investigated. | HE Zhenhui SHA Jian SU Zhenpeng CHENG Xiang ai WANG Shunxi FANG Minghu ZHANG Qirui ZHOU Xianyi YAO Weiguo QI Zhenzhong YI Huairen LI Hongcheng | 1991 | Chinese Physics Letters1991，8，6： | 0 |
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