|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Characterization of dissolved organic matter fractions from Lake Hongfeng, Southwestern China Plateau显示文摘With XAD-series and ion exchange resins, dissolved organic matter (DOM) from Lake Hongfeng in Southwestern China Plateau was isolated into 6 fractions, i.e., humic acid (HA), fulvic acid (FA), hydrophobic neutrals (HON), hydrophilic acids (HIA), hydrophilic bases (HIB) and hydrophilic neutrals (HIN). Those fractions were characterized by high performance size exclusion chromatography, fluorescence spectroscopy and UV absorbance. Among the 6 fractions, FA was predominant and accounted for 51% of the total DOM. The weight-average (Mw) and number-averaged (Mn) molecular weight of these fractions ranged from 1688 to 2355 Da and from 1338 to 1928 Da, respectively. A strong correlation was observed between specific UV absorbance at 280 nm, E2/E3 (absorbance at 250 nm to 365 nm), and the molecular weight for DOM fractions. UV-Vis fulvic-like fluorescence peaks were found in all fractions. Protein-like fluorescence peaks existed in HON may indicate that microbial activity was severely in Lake Hongfeng. There was a significant relationship between fluorescence intensities and specific UV absorbance at 254 nm for those DOM fractions, suggesting their similar luminescence characteristics. The values of fluorescence index (f450/500) indicated that hydrophobic fractions may derive from terrestrial sources, and the hydrophilic fractions from microbial and terrestrial origins. Those results suggest that there were inter-relationships between molecular weight, fluorescence and absorbance characteristics, and also subtle consistencies between the hydrophilic and hydrophobic properties and the sources for these 6 fractions from Lake Hongfeng. | WANG Liying WU Fengchang ZHANG Runyu LI Wen LIAO Haiqing | 2009 | Journal of Environmental Sciences2009，21，5： | 61 |
| 2 | Phosphorus speciation in the sediment profile of Lake Erhai, southwestern China: Fractionation and ^(31)P NMR显示文摘The distribution characteristics of phosphorus(P) forms in the sediment profile of Lake Erhai,in southwestern China has been investigated by sequential extraction and 31P nuclear magnetic resonance spectroscopy(NMR) of NaOH extracts to understand P dynamics and its potential contribution to lake eutrophication.Contents of P fractions varied in the order of NH4Cl extracted P(NH4ClP) < bicarbonate-dithionite extracted P(BD-P) < HCl-P,Residual-P < NaOH extracted P(NaOH-P).The highly available NH4Cl-P represented less than 1% of total P(TP).BD-P and NaOH extracted reactive P(NaOH-rP) averaged 39%,while the ratio of Fe/P was higher than 15,indicating low P release from the sediments under permanent oxic condition.The less bio-available HCl-P,NaOH extracted nonreactive P(NaOH-nrP) and residual-P contributed 61% of TP.Regression analysis revealed that BD-P,NaOH-rP and HCl-P were positively correlated with the contents of Fe and Mn,Al and Fe,and Ca,respectively.The investigation of P compound groups in NaOH extracts by 31 P NMR showed that ortho-P and monoester-P were the largest two constituents of the P pool,followed by diester-P,phosphonate and pyro-P.A comparison of vertical variations of P groups in the sediment profile suggested that these compounds were involved in the P recycling to different extents in Lake Erhai.In particular,the lake exhibits high potential for labile P release from the surface sediments,which should be taken into consideration even after the outsourced P runoff ceased. | Runyu Zhang Liying Wang Fengchang Wu Baoan Song | 2013 | Journal of Environmental Sciences2013，25，6： | 7 |
| 3 | Characteristics of organic phosphorus fractions in different trophic sediments of lakes from the middle and lower reaches of Yangtze River region and Southwestern Plateau, China显示文摘 | Runyu Zhang Fengchang Wu Congqiang Liu Pingqing Fu Wen Li Liying Wang Haiqing Liao Jianyang Guo | 2007 | Environmental Pollution2007，，2： | 5 |
| 4 | Temporal and spatial variations of low-molecular-weight organic acids in Dianchi Lake, China显示文摘Low-molecular-weight organic acids (LMWOAs) in eutrophic lake water of Dianchi, Southwestern China Plateau were investigated diurnally and vertically using ion chromatography. Two profiles (P1 and P2) were studied due to the difference of hydrochemical features. Lactic, formic, pyruvic and oxalic acid were detected as major components at P1 and P2 which were on average 7.98 and 6.53 μmol/L, respectively, corresponding to their proportions of 2.68% and 2.48% relative to DOC. Pyruvic acid was regarded as the uppermost species at P1 and P2, reaching up to 3.82 and 3.35 μmol/L and accounting for 47.9% and 51.3%, respectively, in individual TOA. Although humus were of biogenetic production at both sites, the significant negative correlation between diurnal variations of TOAs, fluorescence intensity (FI) of protein-like components and humic-like components at P1 indicated LMWOAs were greatly originated from bacterioplankton excretion and degradation. However, correlations between diurnal variations of humic-like FI and physicochemical parameters demonstrated algal origination of LMWOAs at P2. Although content of humus was high, TOA at P2 was 1.45 μmol/L lower than that at P1, due to the co-influence of more intense photo-oxidation and aggregation at P2. Therefore, TOAs exhibited quite opposite diurnal variation trends of increasing-decreasing and decreasing-increasing at P1 and P2, respectively. Except for impact of solar radiation, bacterial decomposition and assimilation rendered shifts of maximal LMWOAs along water column at P1. Covering with massive algae, UV rays penetrated shallower depth that LMWOAs assembled in surface layer water before 18:00 at P2 and represented decreasing profiles. | Min Xia Fengchang Wu Runyu Zhang Liying Wang XinqingLi Rongsheng Huang | 2011 | Journal of Environmental Sciences2011，23，8： | 4 |
| 5 | A Particle Filter Based Compressive Sensing Method for Tracking Moving Wideband Sound Sources显示文摘Tracking moving wideband sound sources is one of the most challenging issues in the acoustic array signal processing which is based on the direction of arrival(DOA) estimation. Compressive sensing(CS) is a recent theory exploring the signal sparsity representation, which has been proved to be superior for the DOA estimation. However, the spatial aliasing and the offset at endfire are the main obstacles for CS applied in the wideband DOA estimation. We propose a particle filter based compressive sensing method for tracking moving wideband sound sources. First, the initial DOA estimates are obtained by wideband CS algorithms. Then, the real sources are approximated by a set of particles with different weights assigned. The kernel density estimator is used as the likelihood function of particle filter. We present the results for both uniform and random linear array. Simulation results show that the spatial aliasing is disappeared and the offset at endfire is reduced. We show that the proposed method can achieve satisfactory tracking performance regardless of using uniform or random linear array. | Juan Wei Fengli Yue Runyu Li Wenjing Wang Dan Gao | 2018 | China Communications2018，15，5： | 2 |
| 6 | Enhancing photovoltaic performance via aggregation dynamics control in fused-ring electron acceptor显示文摘A new fused-ring electron acceptor FNIC3 with dynamics controlled aggregation behavior was synthesized.FNIC3 shows strong absorption in 600–900 nm,HOMO/LUMO energy levels of−5.59/−4.04 eV,and electron mobility of 1.2×10^(−3) cm^(2) V^(−1) s^(−1).The aggregation of FNIC3 shows strong dependency on film formation time.Prolongation of film formation time promotes the crystallization of FNIC3,leading to improved crystallinity and enlarged aggregate sizes.Aggregation of FNIC3 significantly influences the photovoltaic device parameters.Appropriate aggregation red-shifts the absorption and improves the mobilities of the blend,which contributes to high photocurrent and fill factor thus high power conversion efficiency(PCE).Overaggregation leads to increased nonradiative energy loss and insufficient charge generation,resulting in decreased open-circuit voltage and short-circuit current density.The blends based on PM6:FNIC3 fabricated under proper film formation time exhibit a PCE of 12.3%,higher than those fabricated under short and long film formation time(10.0–10.5%). | Jiayu Wang Runyu Zhu Shijie Wang Yawen Li Boyu Jia Jiadong Zhou Peiyao Xue Susanne Seibt Yuze Lin Zengqi Xie Wei Ma Xiaowei Zhan | 2021 | Aggregate2021，2，3： | 1 |
| 7 | Macrodynamic studyand catalytic reduction of NO by ammonia under mildconditions over Pt-La-Ce-O/Al2 03 catalysts 显示文摘 | Wang Yanhui Zhu Jingli Ma Runyu | 2007 | EnergyConversion and Management2007，48，： | 1 |
| 8 | Signaling pathways in vascular function and hypertension:molecular mechanisms and therapeutic interventions显示文摘Hypertension is a global public health issue and the leading cause of premature death in humans.Despite more than a century of research,hypertension remains difficult to cure due to its complex mechanisms involving multiple interactive factors and our limited understanding of it.Hypertension is a condition that is named after its clinical features.Vascular function is a factor that affects blood pressure directly,and it is a main strategy for clinically controlling BP to regulate constriction/relaxation function of blood vessels.Vascular elasticity,caliber,and reactivity are all characteristic indicators reflecting vascular function.Blood vessels are composed of three distinct layers,out of which the endothelial cells in intima and the smooth muscle cells in media are the main performers of vascular function.The alterations in signaling pathways in these cells are the key molecular mechanisms underlying vascular dysfunction and hypertension development.In this manuscript,we will comprehensively review the signaling pathways involved in vascular function regulation and hypertension progression,including calcium pathway,NO-NOsGC-cGMP pathway,various vascular remodeling pathways and some important upstream pathways such as renin-angiotensin-aldosterone system,oxidative stress-related signaling pathway,immunity/inflammation pathway,etc.Meanwhile,we will also summarize the treatment methods of hypertension that targets vascular function regulation and discuss the possibility of these signaling pathways being applied to clinical work. | Jun Ma Yanan Li Xiangyu Yang Kai Liu Xin Zhang Xianghao Zuo Runyu Ye Ziqiong Wang Rufeng Shi Qingtao Meng Xiaoping Chen | 2023 | Signal Transduction and Targeted Therapy2023，8，5： | 1 |
| 9 | Separation of tea polyphenol from Green Tea Leaves by a combined CATUFM-adsorption resin process显示文摘 | Ping Li Yanhui Wang Runyu Ma Xiaolin Zhang | 2004 | Journal of Food Engineering2004，，3： | 1 |
| 10 | Separation of tea polyphenol from Green Tea Leaves by a combined CATUFM-adsorption resin process显示文摘 | LI Ping WANG Yanhui Ma Runyu | 2005 | Journal of Food Engineering2005，67，3： | 1 |
| 11 | The oxygen isotopic composition of phosphate as an effective tracer for phosphate sources in Hongfeng Lake显示文摘In order to characterize the oxygen isotopic composition of internal phosphate and explore the possibility of using these data to identify phosphate sources, we measured oxygen isotopic compositions of phosphate(δ^(18)O_p) in sediment pore water in Hongfeng Lake, a typical deep-water lake in a mountainous area. These data, in combination with δ^(18)O_p in surface water samples and water column samples, were successfully used to identify phosphate sources. The δ^(18)O_p value of sediment pore water ranged from 15.2% to 15.8%, with an average value of 15.5%—the δ^(18)O_p value of internal phosphate. The δ^(18)O_p values decreased gradually through the water column from 19.4% in surface water to 16.4% in deeper water, implying that internal phosphate had more negative δ^(18)O_p values than external phosphate. This finding was substantiated by horizontal variations in δ^(18)O_p values, which decreased with increasing distance from inflowing rivers. All collected evidence suggests that external and internal phosphate have distinctly different isotopic signatures and that these signatures have not been considerably altered by biological mediation in Hongfeng Lake. Therefore, δ^(18)O_p can be used to distinguish phosphate sources. A two-endmember mixing model showed that internal phosphate had an average contribution of 40%, highlighting the influence of internal phosphorus loading on aqueous phosphate and eutrophication. This study illustrates the need to reduce the internal phosphorus load from sediment and provides guidance for nutrient management and in-lake restoration treatment in Hongfeng Lake. The data presented here are limited, but serve to highlight the great potential of δ^(18)O_p as an effective tracer for identifying phosphate sources. Systematic investigations of the oxygen isotopic compositions of external phosphate, internal phosphate, and phosphate through the water column, in combination with in-lake P biogeochemical cycle study, would be desirable in further research. | Yongxue Ji Jingan Chen Runyu Zhang Yong Liu Jingfu Wang | 2017 | Acta Geochimica2017，36，4： | 1 |
| 12 | Characteristics of organic phosphorus fractions in different trophic sediments of lakes from the middle and lower reaches of Yangtze River region and Southwestern Plateau, China显示文摘 | Runyu Zhang Fengchang Wu Congqiang Liu Pingqing Fu Wen Li Liying Wang Haiqing Liao Jianyang Guo | 2007 | Environmental Pollution2007，，2： | 1 |
| 13 | Phosphorus speciation in surface sediments of a hypertrophic lake,Southwestern China:insights from fractionation and ^(31)P NMR显示文摘Phosphorus(P) species in surface sediments from a shallow,hypertrophic lake,Lake Dianchi,China,were investigated by P fractionation and ^(31)P nuclear magnetic resonance(NMR) spectroscopy during a regional algal bloom.In addition,their potential contributions to the overlying water were also evaluated.Labile fractions of P extracted by NH_4C1,bicarbonate dithionite and NaOH ranged from 340.6 to 1,725.8 mg kg^(-1),accounting for20.5%-67.2%of the total P.A two-step extraction method refinement of P recovery was performed before the^(31)P NMR analysis.Recovery rates of sedimentary TP and organic P,by combining EDTA pretreatment and NaOH or mixed reagents,ranged from 31.8%to 69.3%and from19.8%to 51.7%.^(31)P NMR results showed that ortho-P and monoester-P were the most abundant P components in the sediment extractable P of sediments,followed by diester-P and pyro-P.Spatial distribution of the sum of ortho-P,diester-P and pyro-P detected by P NMR corresponded well with the labile P concentration determined by fractionation.Both exhibited a significant positive correlation with the total P in the water column,suggesting that internal loading may be an important source of P for the lake ecosystem.Biogenic P other than ortho-P may contribute to phytoplankton growth,with the relative proportion being 4.4%-18.7%.The release of labile P fractions fueled algal bloom,and the decay of organic matter,following the bloom events,consumed oxygen and elevated the pH value.This co-dependence might lead to a vicious cycle.Transformation mechanisms of various P species remain ambiguous and are worthy of further investigation. | Runyu Zhang Liying Wang Fengchang Wu | 2015 | Chinese Journal Of Geochemistry2015，34，2： | 1 |
| 14 | Optically-generated focused ultrasound for noninvasive brain stimulation with ultrahigh precision显示文摘High precision neuromodulation is a powerful tool to decipher neurocircuits and treat neurological diseases.Current non-invasive neuromodulation methods offer limited precision at the milimeter level.Here,we report opticallygenerated focused ultrasound(OFUS)for non-invasive brain stimulation with ultrahigh precision.OFUS is generated by a soft optoacoustic pad(SOAP)fabricated through embedding candle soot nanoparticles in a curved polydimethylsiloxane film.SOAP generates a transcranial ultrasound focus at 15 MHz with an ultrahigh lateral resolution of 83μm,which is two orders of magnitude smaller than that of conventional transcranial-focused ultrasound(tFUS).Here,we show effective OFUS neurostimulation in vitro with a single ultrasound cycle.We demonstrate submillimeter transcranial stimulation of the mouse motor cortex in vivo.An acoustic energy of 0.6 mJ/cm?,four orders of magnitude less than that of tFUS,is suffcient for successful OFUS neurostimulation.OFUS offers new capabilities for neuroscience studies and disease treatments by delivering a focus with ultrahigh precision noninvasively. | Yueming Li Ying Jiang Lu Lan Xiaowei Ge Ran Cheng Yuewei Zhan Guo Chen Linli Shi Runyu Wang Nan Zheng Chen Yang Ji-Xin Cheng | 2022 | Light(Science & Applications)2022，11，11： | 1 |
| 15 | SNP-based identification of QTL for resistance to black point caused by Bipolaris sorokiniana in bread wheat显示文摘Black point disease caused by Bipolaris sorokiniana is a problem in wheat production worldwide.We aimed to identify major quantitative trait loci(QTL)for resistance to black point and develop molecular markers for marker-assisted selection(MAS).A recombinant inbred line(RIL)population derived from a cross between Wanyuanbai 1(susceptible)and SN4143(resistant)was evaluated for black point response at three locations during two years under artificial inoculation with B.sorokiniana,providing data for six environments.Thirty resistant and 30 susceptible RILs were selected to form resistant and susceptible bulks,respectively,that were genotyped by the wheat 660 K SNP array;685 singlenucleotide polymorphisms(SNPs)were identified,among which 385(56.2%)and 115(16.8%)were located on chromosomes 4 A and 2 B,respectively.Bulked segregant RNA-Seq analysis identified candidate regions on chromosomes 4 A(4.60–40.28 Mb)and 5 A(1.22–48.47 Mb).Genetic linkage maps were constructed for chromosomes 2 B,4 A,and 5 A using 59 polymorphic d CAPS and SSR markers.Finally,two QTL,designated QBB.hau-4 A and QBB.hau-5 A,were detected on chromosomes 4 A and 5 A,respectively.The resistance allele of QBB.hau-4 A was derived from SN4143,and that of QBB.hau-5 A came from Wanyuanbai 1.QBB.hau-4 A with a large and consistent effect(15.1%)is likely to be a new locus for black point resistance.The markers linked to QBB.hau-4 A and QBB.hau-5 A have potential application in MASbased breeding. | Qiaoyun Li Runyu Hu Zhenfeng Guo Siyu Wang Chuang Gao Yumei Jiang Jianwei Tang Guihong Yin | 2022 | The Crop Journal2022，10，3： | 1 |
| 16 | Engineering upconverting core–shell nano-probe for spectral responsive fluid velocimetry显示文摘Particle velocimetry based on the temporal feature of upconversion luminescent nanocrystals is a newly-raising fluid velocimetry.Exploiting the availability to low flow rate fluid and exempting redundance external calibration(achieving once calibration for all)are highly expected and challenging.Herein,an engineered core–shell nano-probe,NaYF4:Yb/Ho/Ce@NaGdF4,was proposed,in which the Ce3+ions were utilized to manipulate the upconversion dynamic of Ho3+.Through optimization,a superior sensitive against low-speed flow is achieved,and the external calibrations before each operation can be avoided.Application demonstrations were conducted on a fluid circulation system with controllable flow rate.The fluid velocity was monitored successfully,no matter it is permanent,or cyclically variating(imitating the in vivo arterial blood).Moreover,this velocimetric route is competent in spatial scanning for handling the spatially inhomogeneous velocity field.Such sensing nanomaterial and fluid velocimetric method exhibit promising application potential in human blood velocimetry,industrial control,or environmental monitoring. | Hai Huang Shaoxiong Wang Runyu Chen Nianfeng Zhang Hu-Rong Yao Yuanhui Zheng Feng Huang Daqin Chen | 2023 | Nano Research2023，16，1： | 0 |
| 17 | Study on enzymatic hydrolysis of steam exploded straw by using shaking ball显示文摘A novel method of enzymatic hydrolysis was developed in this paper to produce a high conversion yield and hydrolysis rate.A comparison was described by using three methods of enzymatic hydrolysis and adsorption of steam exploded straw(SEWS):shaking ball in the regime,shaking with stirrer bed,and static state.The most adequate filter-paper activity,speed and reaction time were 3.6×10^(-7) mol/(s·mL),150 r/min and 24 h,respectively,with the reducing sugar yield of 0.43.The results showed that the method of shaking ball produced the highest adsorption,conversion yields and hydrolysis rate of the enzyme.This might be due to the continuous frequency increase of enzyme adsorption and desorption on the substrate surface as well as the relieved end-product inhibition.The morphological variation of SEWS was characterized by environmental scanning electron microscopy(ESEM). | Zhanwei SUN Xiaoguo FU Hongzhang CHEN Yanhui WANG Runyu MA | 2008 | Frontiers of Chemical Science and Engineering2008，2，1： | 0 |
| 18 | Single-cell protein-DNA interactomics and multiomics tools for deciphering genome regulation显示文摘The emergence of single-cell genomic and transcriptomic sequencing accelerates the development of single-cell epigenomic technologies,providing an unprecedented opportunity for decoding cell fate decisions largely encoded in the epigenome.Recent advances in single-cell multimodality epigenomic technologies facilitate directly interrogating the reg-ulatory relationship between multi-layer molecular information in the same cell.In this review,we discuss recent progress in development of single-cell multimodality epigenomic technologies and applications in elucidating cellular diversifications in development and diseases,with a focus on protein-DNA interactomics and regulatory links between epigenome and tran-scriptome.Further,we provide perspective on the future direction of single-cell multiomics tool development as well as challenges facing ahead. | Haiqing Xiong Runyu Wang Aibin He | 2023 | National Science Open2023，2，3： | 0 |
| 19 | Exploring formation mechanism and source attribution of ozone during the 2019 Wuhan Military World Games:Implications for ozone control strategies显示文摘A series of emission reduction measures were conducted in Wuhan,Central China,to ensure good air quality during the 7th Military World Games(MWG)in October 2019.To better understand the implications for ozone(O_(3))pollution control strategies,we applied integrated analysis approaches based on the de-weathered statistical model,parameterization methods,chemical box model,and positive matrix factorization model.During the MWG,concentrations of O_(3),NO_x,and volatile organic compound(VOCs),OFP(O_(3)formation potential),L_(OH)(OH radical loss rate)were 83μg/m^(3),43μg/m^(3),26 ppbv,188μg/m^(3),and 3.9 s^(-1),respectively,which were 26%,18%,3%,15%,and 13%lower than pre-MWG values and 6%,39%,30%,33%,and 50%lower than post-MWG values,respectively.After removing meteorological influence,O_(3)and its precursors during the MWG decreased largely compared with post-MWG values,and only O_(3),NO_(2),and oxygenated VOCs(OVOCs)declined compared with pre-MWG values,which revealed the emission reduction measures during the MWG played an important role for O_(3)decline.For six VOCs sources,the mass contributions of biomass burning and solvents usage during the MWG decreased largely compared with pre-MWG values.O_(3)production was sensitive to VOCs and the key species were aromatics,OVOCs,and alkenes,which originated mainly from solvents usage,biomass burning,industrial-related combustion,and vehicle exhaust.Decreasing O_(3)concentration during the strict control was mainly caused by OVOCs reduction due to biomass burning control.Generally,the O_(3)abatement strategies of Wuhan should be focused on the mitigation of high-reactivity VOCs. | Lei Zhang Lili Wang Runyu Wang Nan Chen Yuan Yang Ke Li Jie Sun Dan Yao Yuesi Wang Minghui Tao Yang Sun | 2024 | Journal of Environmental Sciences2024，，2： | 0 |
| 20 | Highly efficient and aberration-free off-plane grating spectrometer and monochromator for EUV—soft X-ray applications显示文摘We demonstrate a novel flat-field,dual-optic imaging EUV—soft X-ray spectrometer and monochromator that attains an unprecedented throughput efficiency exceeding 60%by design,along with a superb spectral resolution ofλ/Δλ>200 accomplished without employing variable line spacing gratings.Exploiting the benefits of the conical diffraction geometry,the optical system is globally optimized in multidimensional parameter space to guarantee optimal imaging performance over a broad spectral range while maintaining circular and elliptical polarization states at the first,second,and third diffraction orders.Moreover,our analysis indicates minimal temporal dispersion,with pulse broadening confined within 80 fs tail-to-tail and an FWHM value of 29 fs,which enables ultrafast spectroscopic and pump-probe studies with femtosecond accuracy.Furthermore,the spectrometer can be effortlessly transformed into a monochromator spanning the EUV—soft X-ray spectral region using a single grating with an aberration-free spatial profile.Such capability allows coherent diffractive imaging applications to be conducted with highly monochromatic light in a broad spectral range and extended to the soft X-ray region with minimal photon loss,thus facilitating state-of-the-art imaging of intricate nano-and bio-systems,with a significantly enhanced spatiotemporal resolution,down to the nanometer–femtosecond level. | Jie Li Kui Li Xiaoshi Zhang Dimitar Popmintchev Hao Xu Yutong Wang Ruixuan Li Guangyin Zhang Jiyue Tang Jin Niu Yongjun Ma Runyu Meng Changjun Ke Jisi Qiu Yunfeng Ma Tenio Popmintchev Zhongwei Fan | 2024 | Light(Science & Applications)2024，13，1： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员