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Multifunctional carbon materials from rugose rose for energy storage and water purification

FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING 2024年第9期18卷 97-0页

作者： Li, Peng-Hui Zhou, Hui Wu, Wen-Juan Nanjing Forestry Univ Jiangsu Coinnovat Ctr Efficient Proc & Utilizat Fo Nanjing 210037 Peoples R China Nanjing Forestry Univ Coll Light Ind & Food Engn Nanjing 210037 Peoples R China East China Univ Sci & Technol Coll Chem Engn Shanghai 200237 Peoples R China State Key Lab Chem engn Shanghai 200237 Peoples R China

With the advancement of social process, the resource problem is becoming more prominent, biomass materials come into being, and it is becoming more and more important to explore and prepare efficient and multifunctional biomass materials to alleviate the problems of energy storage and water pollution. In this paper, nitrogen-doped hierarchical porous carbon materials (NRRC) were produced by one-step carbonization of withered rose as raw material and melamine as nitrogen source with KOH-activated porosification. The resulting nitrogen-doped porous carbon material had the most abundant pores and the best microspherical graded pore structure, with a specific surface area of up to 1393 m2g-1, a pore volume of 0.68 cm3g-1, and a nitrogen-doped content of 5.52%. Electrochemical tests showed that the maximum specific capacitance of NRRC in the three-electrode system was 346.4 Fg-1 (0.5 Ag-1), which was combined with favorable capacitance retention performance and cycling stability. The NRRC//NRRC symmetric supercapacitors were further assembled, and the maximum energy density of a single device was 23.88 Whkg-1, which still maintains excellent capacitance retention and cyclic charging/discharging stability. For example, the capacitance retention rate was always close to 96.27% with almost negligible capacitance loss after 10000 consecutive charge/discharge cycles (current density: 10 Ag-1). Regardless of the three-electrode or two-electrode system, the super capacitive performance of NRRC porous carbon materials was comparable to the electrochemical performance of many reported biomass porous carbon materials, which showed better energy storage advantages and practical application potential. In addition, NRRC porous carbon materials had excellent water purification ability. The dye adsorption test confirmed that NRRC had a high adsorption capacity (491.47 mgg-1) for methylene blue. This und

关键词： rose carbon adsorption electrode material electrochemical performance POROUS CARBON SUPERIOR PERFORMANCE ACTIVATED CARBON SURFACE-AREA SUPERCAPACITOR BIOMASS ADSORPTION ELECTRODE NITROGEN

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Temperature-dependent solubility of Rebaudioside A in methanol/ ethanol and ethyl acetate mixtures: Experimental measurements and thermodynamic modeling

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CHINESE JOURNAL OF CHEMICAL ENGINEERING 2024年第8期72卷 164-176页

作者： Liu, Zhenguang Ding, Zexiang Cao, Yifeng Liu, Baojian Yang, Qiwei Zhang, Zhiguo Ren, Qilong Bao, Zongbi Zhejiang Univ Coll Chem & Biol Engn Key Lab Biomass Chem Engn Minist Educ Hangzhou 310058 Peoples R China Inst Zhejiang Univ Quzhou Quzhou 324000 Peoples R China

The equilibrium solubility of Rebaudioside A (Reb A) Form II in binary mixtures of methanol/ethanol and ethyl acetate was quantitatively determined within the temperature range of 283.15-328.15 K at ambient pressure. The experimental findings indicate a positive correlation between the solubility of Reb A (Form II) and both the temperature and the methanol/ethanol content in the solvent system. To describe the solubility data, six distinct models were employed: the modified Apelblat equation, the lh model, the combined nearly ideal binary solvent/Redlich-Kister (CNIBS/R-K) model, the van't HoffJouyban-Acree (VJA) model, the Apelblat-Jouyban-Acree (AJA) model, and the non-random two-liquid (NRTL) model. The combined nearly ideal binary solvent/Redlich-Kister model exhibited the most precise fit for solubility in methanol + ethyl acetate mixtures, reflected by an average relative deviation (ARD) of 0.0011 and a root mean square deviation (RMSD) of 12x10(-7). Conversely, for ethanol + ethyl acetate mixtures, the modified Apelblat equation provided a superior correlation (ARD = 0.0014, RMSD = 4x10(-7)). Furthermore, thermodynamic parameters associated with the dissolution of Reb A (Form II), including enthalpy, entropy, and the Gibbs energy change, were inferred from the data. The findings underscore that the dissolution process is predominantly endothermic across the solvent systems examined. Notably, the entropy changes appear to have a significant influence on the Gibbs free energy associated with the dissolution of Reb A (Form II), suggesting that entropic factors may play a pivotal role in the studied systems. (c) 2024 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights are reserved, including those for text and data mining, AI training, and similar technologies.

关键词： Rebaudioside A Solubility Thermodynamic modeling Dissolution Binary solvent MIXED-SOLVENTS VANILLIC ACID WATER PURE LIQUID PURIFICATION

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A large language model-powered literature review for high-angle annular dark field imaging

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CHINESE PHYSICS B 2024年第9期33卷 76-81页

作者： Yuan, Wenhao Peng, Cheng He, Qian Natl Univ Singapore Coll Design & Engn Dept Mat Sci & Engn 9 Engn Dr 1EA 03-09 Singapore 117575 Singapore Natl Univ Singapore Ctr Hydrogen Innovat E81 Engn Dr 3 Singapore 117580 Singapore

High-angle annular dark field (HAADF) imaging in scanning transmission electron microscopy (STEM) has become an indispensable tool in materials science due to its ability to offer sub-& Aring; resolution and provide chemical information through Z-contrast. This study leverages large language models (LLMs) to conduct a comprehensive bibliometric analysis of a large amount of HAADF-related literature (more than 41000 papers). By using LLMs, specifically ChatGPT, we were able to extract detailed information on applications, sample preparation methods, instruments used, and study conclusions. The findings highlight the capability of LLMs to provide a new perspective into HAADF imaging, underscoring its increasingly important role in materials science. Moreover, the rich information extracted from these publications can be harnessed to develop AI models that enhance the automation and intelligence of electron microscopes.

关键词： large language models high-angle annular dark field imaging deep learning 87.64.Ee 84.35.+i 87.64.mf 01.30.-y TRANSMISSION ELECTRON-MICROSCOPY BIMETALLIC PTSN CATALYSTS PROPANE DEHYDROGENATION STEM

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Orbital angular momentum conversion of acoustic vortex beams via planar lattice coupling

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CHINESE PHYSICS B 2024年第9期33卷 413-420页

作者： Han, Qingbang Liu, Zhipeng Yin, Cheng Wu, Simeng Luo, Yinlong Yang, Zixin Pan, Xiuyang Wang, Yiqiu Kan, Xuefen Zhang, Yuqiu Yu, Qiang Wu, Jian Hohai Univ Coll Informat Sci & Engn Changzhou 213200 Peoples R China Natl Univ Def Technol Coll Adv Interdisciplinary Studies Nanhu Laser Lab Changsha 410073 Peoples R China Chinese Acad Sci Suzhou Inst Nanotech & Nanob i Lab Suzhou 215123 Peoples R China Jiangsu Shipping coll Sch Transportat Engn Nantong 226010 Peoples R China

Orbital angular momentum (OAM) conversion is critical in understanding interactions between a structural sound field and a planar lattice. Herein, we explore the evolution of a monochromatic acoustic vortex beam (AVB) that is scattered by a phononic crystal (PnC) or a correlated random lattice. The phenomenon is ascribed to the enhanced orbit-orbit angular momentum coupling induced by the band structure. By modifying the coupling condition, accurate and continuous micro-manipulation of AVBs can be achieved, including the transverse/lateral gravity shift, the dynamics of the phase singularities, and the spatial distribution of acoustic pressure, etc. This research provides insight to the inhomogeneous coupling of AVBs with both propagating Bloch waves and localized Anderson modes, and may facilitate development of novel OAM-based acoustic devices for active sound field manipulation.

关键词： acoustic vortex beam phononic crystal Anderson localization Imbert-Fedorov effect 43.40.+s 43.20.+g 46.40.-f 46.40.Cd

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Unraveling the role of formate in improving nitrogen removal via coupled partial denitrification-anammox

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FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING 2024年第9期18卷 112-0页

作者： Zhu, Wanlu Xiao, Rui Xu, Min Chai, Wenbo Liu, Wenlong Jin, Zhengyu Ikumi, David Lu, Huijie Zhejiang Univ Coll Environm & Resource Sci Key Lab Environm Remediat & Ecol Hlth Minist Educ Hangzhou 310058 Peoples R China Key Lab Water Pollut control & Environm Safety Hangzhou 310058 Peoples R China China Natl Nucl Corp Beijing Res Inst Chem Engn & Met Beijing 100029 Peoples R China Zhejiang Univ Technol Coll Environm Hangzhou 310014 Peoples R China Minzu Univ China Coll Life & Environm Sci Key Lab Ecol & Environm Minor Areas Natl Ethn Affairs Commiss Beijing 100081 Peoples R China Univ Cape Town Dept Civil Engn Water Res Grp ZA-7700 Rondebosch South Africa

The addition of traditional carbon sources (e.g., acetate) could favor heterotrophic overgrowth in partial denitrification coupled with anammox (PD-A) systems, thus hindering the performance and stability of this novel wastewater nitrogen removal technology. Therefore, it is necessary to develop an effective, environmentally friendly, and inexpensive alternative. This study demonstrated the potential of formate to enhance the performance and community stability of PD-A under mainstream conditions. In a laboratory-scale biofilm reactor, formate addition (COD/NO3--N = 1.75) improved nitrogen removal efficiency (from 72.1 +/- 3.5% to 81.7 +/- 2.7%), EPS content (from 106.3 +/- 8.1 to 163.0 +/- 15.5 mg/gVSS) and increased anammox bacteria growth (predominantly Candidatus Brocadia, from 29.5 +/- 0.7% to 34.5 +/- 5.4%) while maintaining stable heterotrophs dominated by methylotrophic Desulfobacillus. FISH-NanoSIMS revealed a formate uptake using Ca. Brocadia and Desulfobacillus, with Ca. Brocadia being the major contributor to partial nitrate reduction to nitrite. Desulfobacillus can synthesize diverse hydrophobic amino acids and provide key nutrients for Ca. Brocadia. To achieve comparable nitrogen removal, the cost of the formate-driven PD-A process should be 11.2% lower than that of acetate. These results greatly enrich our understanding of C1 metabolism represented by formate in anammox communities and its application in the context of coupling partial denitrification-anammox toward enhanced nitrogen removal in global wastewater treatment systems.

关键词： Formate Mixotrophic growth Partial denitrification-anammox Metabolic interaction FISH-NanoSIMS NITRITATION REACTOR

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The stretchable perovskite-based alternating current electroluminescence for human-device interaction

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SCIENCE BULLETIN 2024年第18期69卷 2807-2810页

作者： Zhu, Wenjuan Chen, Bing Peng, Dengfeng Nanjing Univ Posts & Telecommun Coll Elect & Opt Engn Nanjing 210023 Peoples R China Nanjing Univ Posts & Telecommun Coll Flexible Elect Future Technol Nanjing 210023 Peoples R China Shenzhen Univ Minist Educ & Guangdong Prov Coll Phys & Optoelect Engn Key Lab Optoelect Devices & Syst Shenzhen 518060 Peoples R China

In the ever-evolving landscape of flexible electronics and wearable technologies,the pursuit of advanced interactive systems that seamlessly integrate with the human body has become a paramount endeavor[1].This drive stems from the increasing demand for wearable devices that not only offer sophisticated functionalities but also provide comfort and aesthetic appeal when worn directly on the human skin[2].Central to this innovation trend are wearable displays,the visual interfaces that bridge the gap between users and the vast expanse of digital *** traditional rigid and flat displays,the next-generation wearable displays are boasting foldability and stretchability,as well as an innate ability to conform to the dynamic contours of human skin,thereby revolutionizing the way we interact with contemporary science and technology[3].

关键词： stretch thereby interaction

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Enhanced axonal regeneration and functional recovery of the injured sciatic nerve in a rat model by lithium-loaded electrospun nanofibrous scaffolds

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BIO-DESIGN AND MANUFACTURING 2024年第5期7卷 701-720页

作者： Dolatyar, Banafsheh Zeynali, Bahman Shabani, Iman Tafreshi, Azita Parvaneh Karimi-Soflou, Reza Univ Tehran Coll Sci Sch Biol Dev Biol Lab Tehran *** Iran Natl Inst Genet engn & Biotechnol Fac Med Biotechnol Dept Mol Med Tehran *** Iran Amirkabir Univ Technol Tehran Polytech Dept Biomed Engn Tehran *** Iran

Increasing evidence indicates that engineered nerve grafts have great potential for the regeneration of peripheral nerve injuries (PNIs). While most studies have focused only on the topographical features of the grafts, we have considered both the biophysical and biochemical manipulations in our applied nanoscaffold. To achieve this, we fabricated an electrospun nanofibrous scaffold (ENS) containing polylactide nanofibers loaded with lithium (Li) ions, a Wnt/beta-catenin signaling activator. In addition, we seeded human adipose-derived mesenchymal stem cells (hADMSCs) onto this engineered scaffold to examine if their differentiation toward Schwann-like cells was induced. We further examined the efficacy of the scaffolds for nerve regeneration in vivo via grafting in a PNI rat model. Our results showed that Li-loaded ENSs gradually released Li within 11 d, at concentrations ranging from 0.02 to (3.64 +/- 0.10) mmol/L, and upregulated the expression of Wnt/beta-catenin target genes (cyclinD1 and c-Myc) as well as those of Schwann cell markers (growth-associated protein 43 (GAP43), S100 calcium binding protein B (S100B), glial fibrillary acidic protein (GFAP), and SRY-box transcription factor 10 (SOX10)) in differentiated hADMSCs. In the PNI rat model, implantation of Li-loaded ENSs with/without cells improved behavioral features such as sensory and motor functions as well as the electrophysiological characteristics of the injured nerve. This improved function was further validated by histological analysis of sciatic nerves grafted with Li-loaded ENSs, which showed no fibrous connective tissue but enhanced organized myelinated axons. The potential of Li-loaded ENSs in promoting Schwann cell differentiation of hADMSCs and axonal regeneration of injured sciatic nerves suggests their potential for application in peripheral nerve tissue engineering. (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(si

关键词： Stem cell Schwann cell differentiation Electrospun nanofibrous scaffold Lithium ion Nerve regeneration CATENIN SIGNALING PATHWAY WNT/BETA-CATENIN STEM-CELLS POLYAMIDE FILMS DIFFERENTIATION REMYELINATION DEGENERATION INHIBITION EXPRESSION CHLORIDE

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Heterosis Analysis in Endogenous Substances in Root Bleeding Sap of Sorghum

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PHYTON-INTERNATIONAL JOURNAL OF EXPERIMENTAL BOTANY 2024年第8期93卷 1963-1980页

作者： Zhao, Renjie Li, Yueqiao Xu, Chen Zhang, Zhian Zhou, Ziyang Zhou, Yihan Qi, Zexin Jilin Agr Univ Coll Agr Changchun 130118 Peoples R China Jilin Acad Agr Sci Changchun 130033 Peoples R China Jilin engn Vocat coll Siping 136001 Peoples R China

Despite hybrid dominance contributing to the genetic improvement of crops, little is known about heterosis and inheritance patterns of endogenous substances in sorghum (Sorghum bicolor (L.) Moench) root bleeding sap. In this study, six sterile and six restorer lines of sorghum and 36 hybrid sorghum combinations formulated as incomplete double-row crosses were selected as test materials, and heterosis, combining ability, heritability, and their interrelationships of root bleeding sap endogenous substances in different hybrid sorghum combinations and their parents were investigated. The results showed that the root bleeding sap of the F1 generation of hybrid sorghum had a high heterosis in both soluble sugar content and amino acid content at the flowering stage, and the average high-parent heterosis was 129.34% and 74.57%, respectively. Indole-3-acetic acid (IAA), cytokinins (CTK), gibberellic acid (GA3), abscisic acid (ABA), soluble sugar, amino acid, and root bleeding intensity were mainly affected by non-additive genetic effects of the genes. Soluble protein was affected by additive genetic effects of the genes and had a high narrow heritability (75.50%), which could be selected at low generations in breeding. The combining ability analyses showed that the sterile lines 521A and 170A, and the restorer lines Ji318R and 0-30 were promising parents with high general combining ability. Correlation analysis showed that all endogenous substances of root bleeding sap were positively correlated with the sum of parental general combining ability (GCA) at highly significant levels, and IAA, CTK, GA3, ABA, soluble sugar, amino acid, and root bleeding intensity were positively correlated with male GCA at significant or highly significant levels. Therefore, the GCA of the restorer lines root bleeding sap endogenous material or the sum of both parents' GCA can be used to predict the performance of wounding endogenous material in the F1 generation of hybrid sorghum. Overall, this

关键词： Sorghum heterosis root bleeding sap combining ability heritability COMBINING ABILITY GROWTH TRANSFORMATION TOLERANCE MATURITY TRAITS SYSTEM YIELD

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High-quality ghost imaging based on undersampled natural-order Hadamard source

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CHINESE PHYSICS B 2024年第9期33卷 404-411页

作者： Liu, Kang Zhou, Cheng Huang, Jipeng Qin, Hongwu Liu, Xuan Li, Xinwei Sing, Lijun Changchun Univ Sch Elect Informat Engn Changchun 130022 Peoples R China Northeast Normal Univ Sch Phys Changchun 130024 Peoples R China Changchun Univ Sci & Technol Coll Elect & Informat Engn Changchun 130022 Peoples R China Jilin engn Normal Univ Jilin Engn Lab Quantum Informat Technol Changchun 130052 Peoples R China Changchun Inst Technol Changchun 130012 Peoples R China

Improving the speed of ghost imaging is one of the main ways to leverage its advantages in sensitivity and imperfect spectral regions for practical applications. Because of the proportional relationship between image resolution and measurement time, when the image pixels are large, the measurement time increases, making it difficult to achieve real-time imaging. Therefore, a high-quality ghost imaging method based on undersampled natural-order Hadamard is proposed. This method uses the characteristics of the Hadamard matrix under undersampling conditions where image information can be fully obtained but overlaps, as well as deep learning to extract aliasing information from the overlapping results to obtain the true original image information. We conducted numerical simulations and experimental tests on binary and grayscale objects under undersampling conditions to demonstrate the effectiveness and scalability of this method. This method can significantly reduce the number of measurements required to obtain high-quality image information and advance application promotion.

关键词： ghost imaging natural-order Hadamard deep learning 42.30.-d 42.30.Va 42.30.Wb

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Advanced modeling of the absorption enhancement of black carbon particles in chamber experiments by considering the morphology and coating thickness

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FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING 2024年第9期18卷 116-0页

作者： Wei, Xiaodong Hu, Jianlin Liu, Chao Xie, Xiaodong Yin, Junjie Guo, Song Hu, Min Peng, Jianfei Wang, Huijun Nanjing Univ Informat Sci & Technol Collaborat Innovat Ctr Atmospher Environm & Equip Sch Environm Sci & Engn Jiangsu Key Lab Atmospher Environm Monitoring & P Nanjing 210044 Peoples R China Nanjing Univ Informat Sci & Technol Collaborat Innovat Ctr Forecast & Evaluat Meteoro Key Lab Meteorol Disaster Minist Educ Nanjing 210044 Peoples R China Chinese Acad Sci Inst Atmospher Phys Nansen Zhu Int Res Ctr Beijing 100029 Peoples R China East China Air Traff Management Bur CAAC Shanghai 200335 Peoples R China Peking Univ Coll Environm Sci & Engn State Key Joint Lab Environm Simulat & Pollut Con Int Joint Lab Reg Pollut Control IJRCMinist Educ Beijing 100871 Peoples R China Nankai Univ Coll Environm Sci & Engn Tianjin Key Lab Urban Transport Emiss Res Tianjin 300071 Peoples R China Nankai Univ Coll Environm Sci & Engn State Environm Protect Key Lab Urban Ambient Air Tianjin 300071 Peoples R China

Measurements studies have shown that the absorption of radiation by black carbon (BC) increases as the particles age. However, there are significant discrepancies between the measured and modeled absorption enhancement (E-abs), largely due to the simplifications used in modeling the mixing states and shape diversities. We took advantage of chamber experiments on BC aging and developed an efficient method to resolve the particle shape based on the relationship between the coating fraction (Delta D-ve/D-ve,D-0) and fractal dimension (D-f), which can also reflect the variations of D-f during the whole BC aging process. BC with externally and partly mixed states (0 0.5). The morphological parameters (i.e., the effective density and the dynamic shape factor) were compared with the measured values to verify the simulated morphology. The simulated mean deviations of morphological parameters were smaller than 8% for the method resolving the particle shape. By applying a realistic shape and refractive index, the mass absorption cross for fully mixed states can be improved by 11% compared with a simplified core-shell model. Based on our understanding of the influence of D-f and Delta D-ve/D-ve,D-0 on E-abs, we propose a two-stage calibration equation to correct the E-abs values estimated by the core-shell model, which reduces the simulation error in the Mie calculation by 6%-14%. (c) Higher Education Press 2024

关键词： Black carbon Mixing states Fractal dimension Dynamic shape factor Absorption enhancement OH-INITIATED OXIDATION OPTICAL-PROPERTIES LIGHT-ABSORPTION EFFECTIVE DENSITY SOOT PARTICLES BROWN CARBON MIXING STATE AEROSOLS URBAN COMBUSTION

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