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Morphologically controlled synthesis of MgFe-LDH using MgO and succinic acid for enhanced arsenic adsorption:Kinetics,equilibrium,and mechanism studies

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Journal of Environmental sciences 2025年第2期148卷 637-649页

作者： Yusuf Olalekan Zubair Shigeshi Fuchida Keishi Oyama Chiharu Tokoro graduate school of Creative Science and Engineering Waseda UniversityOkubo 3-4-1ShinjukuTokyo169-8555Japan Department of Marine Resources and Energy Tokyo University of Marine Science and Technology4-5-7 KonanMinato-KuTokyo 108-8477Japan Faculty of Science and Engineering Waseda University3-4-1 OkuboShinjuku-kuTokyo 169-8555Japan Faculty of Engineering The University of Tokyo7-3-1 HongoBunkyo-KuTokyo 113-8656Japan

In this study,we investigated improving the performance of a layered double hydroxide(LDH)for the adsorption of As(III)and As(V)by controlling the morphology of LDH *** LDH was synthesized via a simple coprecipitation method using barely soluble MgO as a precursor and succinic acid(SA)as a morphological control *** the LDH crystals with carboxylate ions(RCOO−)derived from SA caused the crystals to develop in a radial *** changed the pore characteristics and increased the density of active surface ***,SA/MgFe-LDH showed excellent affinity for As(III)and As(V)with maximum sorption densities of 2.42 and 1.60 mmol/g,*** comparison,the pristine MgFe-LDH had sorption capacities of 1.56 and 1.31 mmol/g for As(III)and As(V),*** LDH was effective over a wide pH range for As(III)adsorption(pH 3-8.5)and As(V)adsorption(pH 3-6.5).Using a combination of spectroscopy and sorption modeling calculations,the main sorption mechanism of As(III)and As(V)on SA/MgFe-LDH was identified as inner-sphere complexation via ligand exchangewith hydroxyl group(-OH)and RCOO−.Specifically,bidentate As-Fe complexeswere proposed for both As(III)and As(V)uptake,with the magnitude of formation varying with the initial As ***,the As-laden adsorbent had satisfactory stability in simulated real landfill *** findings demonstrate that SA/MgFe-LDH exhibits considerable potential for remediation of As-contaminated water.

关键词： Arsenic Heavy magnesium oxide Succinic acid Layered double hydroxide Adsorption Bidentate complex Stabilization

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Who is in the Lower Reaches,Who Suffers Disasters?——Take Minqin County,a Disappearing Oasis as a Case

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Chinese Journal of Population,Resources and Environment 2006年第2期4卷 41-46页

作者： Bao Chao Fang Chuanglin Institute of Geographical sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 China graduate School of the chineseacademy of sciences Beijing 100039 China

Minqin Oasis is located in the lower reaches of the Shiyanghe River Basin, northeast of the Heixi Corridor, at the middle of the Silk Road. Because of the its existence, Badain Jaran Desert and Tengger Desert cannot converge and develop in the south. It has always been an important green barrier to guarantee the eco-security of Hexi Corridor and the Silk Road for thousands of years. But in recent decades, Minqin Oasis is becoming smaller and the desert is becoming larger. Many people, especially the governmental officials in the lower reaches think that the upper and middle reaches have robbed the lower reaches of water resources, and caused insufficient water usage and the deteriorated eco-environment, in the lower reaches, However, the governmental officials in the upper and middle reaches claim that the whole river basin should take the upper and middle reaches as the key regions to develop economy. To address the above argument, we analyze the reasons why Minqin Oasis is disappearing, and find that there are two main factors. One is the quick development of population and economy in the upper and middle reaches; the other is the rapid development of population and economy in the lower reaches. The two factors both have great effect on the water utilization for eco-environment in the lower reaches. So Minqin Oasis is disappearing not only because of the upper and middle reaches but also because of the growth of population and economy itself. The lower reaches should not completely blame the upper and middle reaches. The upper and middle reaches should also pay more attention to the eco-environment in the lower reaches. The whole river basin should develop a harmonious and sustainable relationship among the upper, middle and lower reaches.

关键词： disappearing oasis water dispute spatial optimization Minqin Oasis

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Harnessing multi-omics approaches to elucidate the role of Chinese herbal compounds in chemotherapy-induced gastrointestinal damage

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World Journal of Gastrointestinal Oncology 2025年第2期17卷 35-40页

作者： Chang Qiao Hao-Xiang Zhang Xiao-Tong Tian Yan-Jing Zhang De-Hui Li graduate School Hebei University of Chinese MedicineShijiazhuang 050000Hebei ProvinceChina Guang’anmen Hospital China Academy of Chinese Medical SciencesBeijing 100053China Department of Oncology I The First Affiliated Hospital of Hebei University of Chinese Medicine(Hebei Province Hospital of Chinese Medicine)Shijiazhuang 050000Hebei ProvinceChina Department of Oncology II The First Affiliated Hospital of Hebei University of Chinese Medicine(Hebei Province Hospital of Chinese Medicine)Key Laboratory of Integrated Chinese and Western Medicine for Gastroenterology ResearchHebei Industrial Technology Institute for Traditional Chinese Medicine PreparationShijiazhuang 050000Hebei ProvinceChina

In this editorial,we discuss the findings reported by Wang et al in the latest issue of the World Journal of Gastrointestinal *** research methodologies,including microbiome analysis,assert that the Tzu-Chi Cancer-Antagonizing and Life-Protecting II Decoction of Chinese herbal compounds mitigates inflammatory responses by inhibiting the NF-κB signaling *** action helps maintain the dynamic equilibrium of the intestinal microecology and lessens chemotherapy-induced gastrointestinal *** efficacy of these compounds is intimately linked to the composition of intestinal *** compounds regulate intestinal microecology by virtue of their specific compatibility and effectiveness,thereby enhancing the overall therapeutic outcomes of cancer ***,the exact mechanisms underlying these effects warrant further ***-omics technologies offer a systematic approach to elucidate the mechanisms and effectiveness of Chinese herbal compounds in *** manuscript reviews the application of multi-omics technologies to Chinese herbal compounds and explores their potential role in modulating the gastrointestinal microenvironment following cancer chemotherapy,thus providing a theoretical foundation for their continued use in adjunct cancer treatment.

关键词： Chinese herbal compounds Gastrointestinal microenvironment Chemotherapy Multi-omics Intestinal microecology

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Global hotspots and trends on environmental exposure and cardiovascular disease from 1999 to 2022

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World Journal of Cardiology 2025年第1期17卷 92-109页

作者： Xin-Jie Zhang Qing Tan Zheng-Yu Xu Song Wen Shu-Bo Chen Department of graduate Chengde Medical UniversityShijiazhuang 067000Hebei ProvinceChina Department of Surgical Urology Hebei Province Xingtai People’s HospitalXingtai 054031Hebei ProvinceChina Department of Rheumatology The Second Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 510260Guangdong ProvinceChina Department of Orthopedics Tianjin Medical University General HospitalTianjin 300052China Department of Cardiology Guangdong Cardiovascular InstituteGuangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesSouthern Medical UniversityGuangzhou 510080Guangdong ProvinceChina

BACKGROUND The increasing risk of cardiovascular disease(CVD)associated with worsening environmental exposure is a critical health concern garnering global research *** To systematically assess the scope and characteristics of research on the relationship between environmental exposure and *** A thorough examination of publications on the relationship between environmental exposure and CVD from 1999 to 2022 was carried out by extensively screening the literature using the Web of Science Core *** language of the selected publications was standardized to ***,different academic tools such as CiteSpace,VOSviewer,HistCite,Python,Matplotlib,and Bibliometrix were utilized to examine the research trends in this *** The study’s findings indicated a steady increase in scientific publications among the 1640 analyzed documents,peaking in 2022 with 197 *** United States emerged as the leading nation regarding high-quality publications and international *** university was identified as the most prolific institution.“Environmental research”was the most frequently contributing journal,and Muenzel T was recognized as the top *** research hotspots are primarily concentrated on themes such as“cardiovascular disease”,“exposure”,“risk”,“mortality”,and“air pollution”.CONCLUSION This study highlights increasing research on the link between environmental exposure and CVD,identifying key exposures and diseases while emphasizing the need for further investigation into underlying mechanisms.

关键词： Bibliometrics Environmental exposure Cardiovascular disease CiteSpace VOSviewer Web of Science

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Bioaccumulation of Heavy Metal in Wild Growing Mushrooms from Liangshan Yi Nationality Autonomous Prefecture,China

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Wuhan university Journal of Natural sciences 2008年第3期13卷 267-272页

作者： ZHANG Dan GAO Tingyan MA Pei LUO Ying SU Pengcheng Institute of Mountain Hazards and Environment ChineseAcademy of Sciences Chengdu 610041 Sichuan China graduate university of Chinese Academy of sciences Beijing 100049 China

The heavy metal bioaccumulation levels of 13 species of mushrooms were studied. 13 different species of wild mushrooms growing in China were analyzed for Cu, Zn, Pb, Cd, and As. Contents of Cu, Zn, Cd and Pb in mushroom and Cu, Zn in Soil were tested by atomic absorption spectrometer （AAS）, and As in samples by atomic fluorescent light （AFL）. Contents of Cd and Pb in soil were analyzed by graphite furnace AAS. The results showed that contents of Cu, Pb, Cd, and As in Termitomyces microcarpus were the highest in the tested mushroom samples, which were 135.00, 13.28, 65.30, and 1.60 mg·kg^-1 （dry biomass） respectively, and the corresponding bioconcentration factor （BCF） for Cu and Cd was 57 and 1 674 separately, which was the highest data in 13 mushroom species. The capability ofBoletus griseus for Cd accumulation was very strong with BCF of 300. when people consume the wild edible mushrooms, contents of Cd and Pb should be greatly considered.

关键词： mushroom heavy metal content bioaccumulation

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N_2O Emission from Paddy Field under Different Rice Planting Modes

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Wuhan university Journal of Natural sciences 2006年第4期11卷 989-996页

作者： WANG Yuying ZHU Bo WANG Yanqiang GAO Meirong MA Xiumei Institute of Mountain Hazards and Environment ChineseAcademy of Sciences Chengdu 610041 Sichuan China graduate university of Chinese Academy of sciences Beijing 100049 China College of Resources and Environment Southwest Agricultural University Chongqing 400716 China

Measurements of N2O emissions from conventional rice cultivation （CRC）, CRC with straw mulching, system of rice intensification （SRI） and SRI with plastic film mulching were conducted through static chamber/gas-chromatography techniques. The results show that daily fluctuation of N2O emissions in jointing stage are much higher than in others. A type peak of N2O seasonal emission presented between jointing and bearing stages companying with high daily average temperature and low precipitation. Biomass and leaf stomatal conductance were observed. Total quantities of N2O emission were budgeted. The results showed that after jointing stage the average N2O emission flux of SRI with plastic film mulching increased significantly than CRC with straw mulching and SRI, the leaf stomatal conductance of those showed the same trend （p〈 0.05）. Yield and total quantity of N20 emission in CRC with straw mulching enhanced 13. 7% and 10.7% compared with those of CRC, respectively. The total quantity of N20 emissions reduced 3. 6% in SRI with plastic film mulching compared with CRC, however, the yield increase of that was not significant.

关键词： nitrous oxide emission rice olanting mode oaddv field

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Effect of Nitrate on Root Development and Nitrogen Uptake of Suaeda physophora Under NaCl Salinity

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Pedosphere 2010年第4期20卷 536-544页

作者： YUAN Jun-Feng FENG Gu MA Hai-Yan TIAN Chang-Yan Key Laboratory of Oasis Ecology and Desert Environment Xinjiang Institute of Ecology and Geography ChineseAcademy of Sciences Urumqi 830011 （China） graduate-university of Chinese Academy of sciences Beijing 100039 （China） College of Resources and Environmental sciences China Agricultural University Beijing 100094 （China）

The effects of NaCl salinity and NO^-3 on growth, root morphology, and nitrogen uptake of a halophyte Suaeda physophora were evaluated in a factorial experiment with four concentrations of NaCl （1, 150, 300, and 450 mmol L^-1） and three NO^-3 levels （0.05, 5, and 10 mmol L^-1） in solution culture for 30 d. Addition of NO^-3 at 10 mmol L^-1 significantly improved the shoot （P 〈 0.001） and root （P 〈 0.001） growth and the promotive effect of NO^-3 was more pronounced on root dry weight despite the high NaCl concentration in the culture solution, leading to a significant increase in the root：shoot ratio （P 〈 0.01）. Lateral root length, but not primary root length, considerably increased with increasing NaCl salinity and NO^-3 levels （P 〈 0.001）, implying that Na^＋ and NO3^- in the culture solution simultaneously stimulated lateral root growth. Concentrations of Na^＋ in plant tissues were also significantly increased by higher NaCl treatments （P 〈 0.001）. At 10 mmol L^-1 NO^-3, the concentrations of NO^-3 and total nitrogen and nitrate reductase activities in the roots were remarkably reduced by increasing salinity （P 〈 0.001）, but were unaffected in the shoots. The results indicated that the fine lateral root development and effective nitrogen uptake of the shoots might contribute to high salt tolerance of S. physophora under adequate NO^-3 supply.

关键词： halophyte lateral roots nitrate reductase activity root morphology

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Repetitive traumatic brain injury–induced complement C1–related inflammation impairs long-term hippocampal neurogenesis

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Neural Regeneration Research 2025年第3期20卷 821-835页

作者： Jing Wang Bing Zhang Lanfang Li Xiaomei Tang Jinyu Zeng Yige Song Chao Xu Kai Zhao Guoqiang Liu Youming Lu Xinyan Li Kai Shu Department of Neurosurgery Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Department of Neurosurgery Shanxi Bethune HospitalShanxi Academy of Medical SciencesTongji Shanxi HospitalThird Hospital of Shanxi Medical UniversityTaiyuanShanxi ProvinceChina Department of Pathophysiology School of Basic Medicine and Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Institute for Brain Research Wuhan Center of Brain ScienceHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Department of graduate Student Chongqing Medical UniversityChongqingChina Department of Basic Medicine School of Medical ScienceHubei University for NationalitiesEnshiHubei ProvinceChina Department of Anatomy School of Basic Medicine and Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina

Repetitive traumatic brain injury impacts adult neurogenesis in the hippocampal dentate gyrus,leading to long-term cognitive ***,the mechanism underlying this neurogenesis impairment remains *** this study,we established a male mouse model of repetitive traumatic brain injury and performed long-term evaluation of neurogenesis of the hippocampal dentate gyrus after repetitive traumatic brain *** results showed that repetitive traumatic brain injury inhibited neural stem cell proliferation and development,delayed neuronal maturation,and reduced the complexity of neuronal dendrites and *** with repetitive traumatic brain injuryalso showed deficits in spatial memory ***,following repetitive traumatic brain injury,neuroinflammation was enhanced in the neurogenesis microenvironment where C1q levels were increased,C1q binding protein levels were decreased,and canonical Wnt/β-catenin signaling was *** inhibitor of C1 reversed the long-term impairment of neurogenesis induced by repetitive traumatic brain injury and improved neurological *** findings suggest that repetitive traumatic brain injury–induced C1-related inflammation impairs long-term neurogenesis in the dentate gyrus and contributes to spatial memory retrieval dysfunction.

关键词： complement C1 dendrite dentate gyrus hippocampus neural stem cell neurogenesis neuroinflammation neurological function neuron traumatic brain injury

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Biotic Resources Abundance and the Corresponding Causes in Panxi Area

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Wuhan university Journal of Natural sciences 2006年第4期11卷 929-936页

作者： XU Yun SU Chunjiangi LIU Xingliang MAN Zhenchuang LI Ping Institute of Mountain Hazards and Environment ChineseAcademy of Sciences Chengdu 610041 Sichuan China graduate university of Chinese Academy of sciences Beijing100049 China College of Bioengineering Southwest Jiaotong UniversityChengdu 610031 Sichuan China

This paper gives a detailed introduction to the biotic resources in Panxi Area and lists the most typical biotic resources in this area. The authors of this paper adopt the biotic resource abundance evaluation index model R1= （S0t -- S1t ） × S1i-1 （i= 1,2,3, …n） to make a quantitative calculation of the biotic resource abundance in this area, and the calculation results show that this area abounds in biotic resources. Through the analysis of the causes of abundant biotic resources in this area, the luxuriant biotic resources in Panxi Area are largely attributed to the complex and varied environment, atrocious climate in history and the introduction of alien species. The purpose of this paper is to point out that biotic resource exploitation is one of the driving forces of economic development in this area, and to emphasize the necessity of biotic resource preservation and its harmonious development with the environment.

关键词： biotic resources abundance abundance evaluation index model causes

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Seasonal and Spatial Variability of Microparticles in Snowpits on the Tibetan Plateau, China

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Journal of Mountain Science 2010年第1期7卷 15-25页

作者： ZHANG Yulana KANG Shichang ZHANG Qianggong CONG Zhiyuan ZHANG Yongjun GAO Tanguang Laboratory of Tibetan Environment Changes and Land Surface Processes Institute of Tibetan Plateau Research Chinese Academy of Sciences Beijing 100085 China State Key Laboratory of Cryospheric sciences ChineseAcademy of Sciences Lanzhou 730000 China graduate university of Chinese Academy of sciences Beijing 100049 China

The work presents microparticle concentrations in snowpits from the East Rongbuk Glacier on Mt. Qomolangma (Everest) (ER) (28.02°N, 86.96°E, 6536 m a.s.l.), the Zhadang Glacier on Mt. Nyainqentanglha (NQ) (30.47°N, 90.65°E, 5800m a.s.l.), and the Guoqu Glacier on Mt. Geladaindong (GL) (33.95°N, 91.28°E, 5823m a.s.l.) over the Tibetan Plateau (TP). Variations of microparticle and major ions (e.g. Mg2+, Ca2+) concentrations in snowpits show that the values of the microparticles and ions in the non-monsoon seasons are much higher than those in the monsoon seasons. Annual flux of microparticle deposition at ER is lower than those at NQ and GL, which could be attributed to the long distance away from the possible dust source regions as well as the elevation for ER higher than the others. Compared with other remote areas, microparticle concentrations in the southern TP are much lower than those in the northern TP, but still much higher than those in Greenland and Antarctica. The seasonal and spatial microparticle variations are clearly related to the variations of atmospheric circulation according to the air mass 5-day backward trajectory analyses of HYSPLIT Model. Resultingly, the high microparticle values in snow are mainly attributed to the westerlies and the strong dust storm outbreaks on the TP, while the monsoon circulation brings great amount of precipitation from the Indian Ocean, thus reducing in the aerosol concentrations.

关键词： Microparticle seasonal change spatialvariation snowpits Tibetan Plateau

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