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Constructing Crystalline g-C_(3)N_(4)/g-C_(3)N_(4-x)S_(x)Isotype Heterostructure for Efficient Photocatalytic and Piezocatalytic Performances

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Energy & Environmental Materials 2023年第2期6卷 8-16页

作者： Tingting Xu Zhonghui Xia Hongguan Li Ping Niu Shulan Wang Li Li Department of Chemistry School of ScienceNortheastern UniversityShenyang 110819China State Key Laboratory of Rolling and Automation Northeastern UniversityShenyang 110819China School of Metallurgy Northeastern UniversityShenyang 110819China

Graphitic carbon nitride(g-C_(3)N_(4))is viewed as a promising visible-light photocatalyst for industrialization due to its low processing temperature and high chemical ***,serious charge recombination caused by incomplete polymerization during direct calcination of nitrogen-rich precursors significantly limits its photocatalytic *** boost charge separation,herein,we propose a rational strategy by constructing a crystalline g-C_(3)N_(4)/g-C_(3)N_(4-x)S_(x) isotype heterostructure through the molten salt *** calculation reveals that apparent charge-transfer channels are formed between g-C_(3)N_(4) and S-doped g-C_(3)N_(4) layers in the *** to high crystallinity for decreasing charge recombination and isotype heterostructure for efficient charge transfer,the as-prepared g-C_(3)N_(4)/g-C_(3)N_(4-x)S_(x) showed remarkable photocatalytic performances with the hydrogen production rate elevated by up to 12.3 times of its singular *** novelty of this work is we investigated for the first time the piezocatalytic activity of crystalline g-C_(3)N_(4) by characterizing its performance for H2O2 generation and KMnO4 ***,its superior piezocatalytic performance over components can be further improved by NaBH4 treatment,which is uncovered to enhance the asymmetric structure of crystalline g-C_(3)N_(4) by introducing extra cyano groups and removing partial NHx species in its tri-s-triazine layer *** work opens up new strategies for the design of highly efficient polymeric photocatalysts and highlights the piezocatalytic studies of g-C_(3)N_(4).

关键词： carbon nitride high crystallinity isotype heterostructure photocatalysis piezoelectric catalysis

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Synthesis of crystalline g-C_(3)N_(4) with rock/molten salts for efficient photocatalysis and piezocatalysis

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Green Energy & Environment 2024年第5期9卷 890-898页

作者： Tingting Xu Jung Hur Ping Niu Shulan Wang Sangwook Lee Sang-Eun Chun Li Li Department of Chemistry College of ScienceNortheastern UniversityShenyang110819China State Key Laboratory of Rolling and Automation Northeastern UniversityShenyang110819China School of Metallurgy Northeastern UniversityShenyang110819China School of Materials Science and Engineering Kyungpook National UniversityDaegu41566Republic of Korea School of Industrial Technology Advances Kyungpook National UniversityDaegu41566Republic of Korea

Graphitic carbon nitride(g-C_(3)N_(4))is emerging as a promising visible-light photocatalyst while the low crystallinity with sluggish charge separation/migration dynamics signiﬁcantly restricts its practical ***,synthesizing highly crystalline g-C_(3)N_(4) with sufﬁcient surface activities still remains ***,different from using alkali molten salts which is commonly reported,we propose an approach for synthesis of highly crystalline g-C_(3)N_(4) with FeCl3/KCl rock/molten mixed *** rock salt can serve as the structure-directing template while molten salt provides the required liquid medium for ***,the synthesized photocatalyst showed further enhanced crystallinity and improved surface area along with high p/p*excitation compared with crystalline C_(3)N_(4) prepared from conventional molten-salt *** catalytically advantageous features lead to its superior photocatalytic and piezocatalytic activities with a high reactivity for overall water splitting that is not commonly reported for C_(3)N_(4).This work provides an effective strategy for structural optimization of organic semiconductor based materials and may inspire new ideas for the design of advanced photocatalysts.

关键词： High crystallinity Carbon nitride Photocatalysis Piezocatalysis Overall water splitting

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Photocatalytic overall water splitting by graphitic carbon nitride

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InfoMat 2021年第9期3卷 931-961页

作者： Ping Niu Junjing Dai Xiaojuan Zhi Zhonghui Xia Shulan Wang Li Li School of Metallurgy Northeastern UniversityShenyangPeople's Republic of China State Key Laboratory of Rolling and Automation Northeastern UniversityShenyangLiaoningChina Department of Chemistry College of ScienceNortheastern UniversityShenyangLiaoningChina

Photocatalytic overall water splitting(OWS)without using any sacrificial reagent to realize H_(2)and O_(2)production in the stoichiometric ratio of 2:1 is viewed as the“holy grail”in the field of solar fuel *** stable,low cost,and nontoxic photocatalysts that have satisfactory solar-tohydrogen conversion efficiency is of significance but challenging for realizing the large-scale use of this sustainable *** various photocatalysts,graphitic carbon nitride(GCN)has shown great potential as an ideal candidate to fulfill the breakthrough in this dynamic research field due to its attractive physicochemical ***,for the first time,the state-ofthe-art research progress of GCN for photocatalytic OWS is *** first summarize the basic principle of photocatalytic OWS along with the advantages/challenges of GCN *** strategies that have been used to modulate the OWS activity of GCN are then reviewed,including cocatalyst investigation,morphology modulation,atomic structure modification,crystallinity engineering,and heterostructure *** the end of the review,the concluding remarks and perspectives for the future development are presented,with our expectation to provide some new ideas for the design of advanced OWS photocatalysts.

关键词： graphitic carbon nitride overall water splitting photocatalyst solar energy conversion

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Distinct neuronal excitability alterations of medial prefrontal cortex in early-life neglect model of rats

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Animal Models and Experimental Medicine 2022年第3期5卷 274-280页

作者： Yu Zhang Xiuping Sun Changsong Dou Xianglei Li Ling Zhang Chuan Qin NHC Key Laboratory of Human Disease Comparative Medicine Institute of Laboratory Animal SciencesChinese Academy of Medical Sciences(CAMS)Comparative Medicine CenterPeking Union Medical College(PUMC)BeijingChina National Human Diseases Animal Model Resource Center BeijingChina Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases BeijingChina International Center for Technology and Innovation of animal model BeijingChina Changping National laboratory(CPNL) BeijingChina

Object:Early-life neglect has irreversible emotional effects on the central nervous *** this work,we aimed to elucidate distinct functional neural changes in me-dial prefrontal cortex(mPFC)of model ***:Maternal separation with early weaning was used as a rat model of early-life *** excitation of glutamatergic and GABAergic neurons in rat mPFC was recorded and analyzed by whole-cell patch ***:Glutamatergic and GABAergic neurons of mPFC were distinguished by typi-cal electrophysiological *** excitation of mPFC glutamatergic neurons was significantly increased in male groups,while the excitation of mPFC GABAergic neurons was significant in both female and male groups,but mainly in terms of rest membrane potential and amplitude,***:Glutamatergic and GABAergic neurons in medial prefrontal cortex showed different excitability changes in a rat model of early-life neglect,which can contribute to distinct mechanisms for emotional and cognitive manifestations.

关键词： early-life neglect model GABAergic glutamatergic maternal separation with early weaning medial prefrontal cortex neuronal excitability

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Klotho in Osx+-mesenchymal progenitors exerts pro-osteogenic and anti-inflammatory effects during mandibular alveolar bone formation and repair

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Signal Transduction and Targeted Therapy 2022年第6期7卷 2053-2065页

作者： Yi Fan Chen Cui Clifford JRosen Tadatoshi Sato Ruoshi Xu Peiran Li Xi Wei Ruiye Bi Quan Yuan Chenchen Zhou State Key Laboratory of Oral Diseases National Clinical Research Center for Oral DiseasesDepartment of Cariology and EndodonticsWest China Hospital of StomatologySichuan University610041 ChengduSichuanChina Hospital of Stomatology Guanghua School of StomatologySun Yat-Sen UniversityGuangdong Provincial Key Laboratory of Stomatology510055 GuangzhouGuangdongChina Maine Medical Center Research Institute ScarboroughME 04074USA Endocrine Unit Massachusetts General HospitalHarvard Medical SchoolBostonMA 02215USA State Key Laboratory of Oral Diseases National Clinical Research Center for Oral DiseasesDepartment of Orthognathic and TMJ SurgeryWest China Hospital of StomatologySichuan University610041 ChengduSichuanChina State Key Laboratory of Oral Diseases National Clinical Research Center for Oral DiseasesDepartment of Oral ImplantologyWest China Hospital of StomatologySichuan University610041 ChengduSichuanChina State Key Laboratory of Oral Diseases National Clinical Research Center for Oral DiseasesDepartment of OrthodonticsWest China Hospital of StomatologySichuan University610041 ChengduSichuanChina

Maxillofacial bone defects are commonly seen in clinical practice.A clearer understanding of the regulatory network directing maxillofacial bone formation will promote the development of novel therapeutic approaches for bone *** fibroblast growth factor(FGF)signalling pathway is critical for the development of maxillofacial ***,a type I transmembrane protein,is an important components of FGF receptor *** studies have reported the presence of Klotho expression in ***,the role of Klotho in cranioskeletal development and repair remains ***,we use a genetic strategy to report that deletion of Klotho in Osx-positive mesenchymal progenitors leads to a significant reduction in osteogenesis under physiological and pathological ***-deficient mensenchymal progenitors also suppress osteoclastogenesis in vitro and in *** conditions of inflammation and trauma-induced bone loss,we find that Klotho exerts an inhibitory function on inflammation-induced TNFR signaling by attenuating Rankl *** importantly,we show for the first time that Klotho is present in human alveolar bone,with a distinct expression pattern under both normal and pathological *** summary,our results identify the mechanism whereby Klotho expressed in Osx+-mensenchymal progenitors controls osteoblast differentiation and osteoclastogenesis during mandibular alveolar bone formation and ***-mediated signaling is an important component of alveolar bone remodeling and *** may also be a target for future therapeutics.

关键词： Klotho progenitor alveolar

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Exploration of potential biomarkers and therapeutic targets for trauma-related acute kidney injury

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Chinese Journal of Traumatology 2024年第2期27卷 97-106页

作者： Peng Qi Meng-Jie Huang Wei Wu Xue-Wen Ren Yong-Zhi Zhai Chen Qiu Hai-Yan Zhu Department of Emergency First Medical Center of Chinese PLA General HospitalBeijing100853China Department of Nephrology.First Medical Center of Chinese PLA General Hospital Beijing100853China Department of Anesthesiology.First Medical Center of Chinese PLA General Hospital Beijing100853China Department of Orthopedics Fourth Medical Center of Chinese PLA General HospitalBeijing100853China

Purpose:Acute kidney injury(AKI)is one of the most common functional injuries observed in trauma ***,certain trauma medications may exacerbate renal ***,the early detection of trauma-related AKI holds paramount importance in improving trauma ***:Qualified datasets were selected from public databases,and common differentially expressed genes related to trauma-induced AKI and hub genes were identified through enrichment analysis and the establishment of protein-protein interaction(PPI)***,the specificity of these hub genes was investigated using the sepsis dataset and conducted a comprehensive literature review to assess their *** raw data from both datasets were downloaded using R software(version 4.2.1)and processed with the"affy"package19 for correction and ***:Our analysis revealed 585 upregulated and 629 downregulated differentially expressed genes in the AKI dataset,along with 586 upregulated and 948 downregulated differentially expressed genes in the trauma ***,the establishment of the PPI network and subsequent topological analysis highlighted key hub genes,including CD44,CD163,TIMP metallopeptidase inhibitor 1,cytochrome b-245 beta chain,versican,membrane spanning 4-domains A4A,mitogen-activated protein kinase 14,and early growth response ***,their receiver operating characteristic curves displayed areas exceeding 75%,indicating good diagnostic ***,our findings postulated a unique molecular mechanism underlying trauma-related ***:This study presents an alternative strategy for the early diagnosis and treatment of trauma-related AKI,based on the identification of potential biomarkers and therapeutic ***,this study provides theoretical references for elucidating the mechanisms of trauma-related AKI.

关键词： Trauma Acutekidney injury Bioinformatic analysis Differentially expressed genes Biomarker

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