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学者姓名：郑新宇
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Abstract ：
Cadmium (Cd) causes significant disruption to plant growth and poses a threat to human health, necessitating urgent and effective measures to mitigate its absorption and translocation in rice. This study employed a co-treatment of carbon dots (PBCDs) with Cd. The potential mechanisms underlying the alleviation of Cd toxicity in rice by PBCDs were investigated by observing changes in photosynthesis, the antioxidant system, and the content of other divalent metals in rice. The results showed that under Cd stress, PBCDs mitigated the interference of Cd in photosynthesis. Notably, treatments with 100 and 250 mg L-1 PBCDs significantly increased the rice fresh weight by 32.45% and 31.54%, and reduced Cd concentrations in rice leaves by 53.82% and 45.81%, respectively. Moreover, PBCDs effectively reduced the shoot-to-leaf translocation factor (TF) of Cd by up to 45.76%, likely due to enhanced Zn concentrations in shoots. Furthermore, PBCDs enhanced the activity of antioxidant enzymes (SOD, POD, CAT) in rice, resulting in decreased levels of MDA induced by Cd stress. In conclusion, PBCDs enhanced rice antioxidant enzyme activity, photosynthetic efficiency, and biomass while mitigating cellular damage and reducing Cd concentrations in various tissues. These findings provide theoretical guidance and data support for the study of novel nanomaterials to promote crop growth under Cd stress conditions and alleviate Cd accumulation in plants.
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| GB/T 7714 | He, Tianlian , Hao, Xingyu , Chen, Ying et al. Promoting the growth of rice and reducing the accumulation of Cd in rice by pig bedding derived carbon dots (PBCDs) under Cd stress [J]. | ENVIRONMENTAL SCIENCE-NANO , 2025 , 12 (1) : 863-878 . |
| MLA | He, Tianlian et al. "Promoting the growth of rice and reducing the accumulation of Cd in rice by pig bedding derived carbon dots (PBCDs) under Cd stress" . | ENVIRONMENTAL SCIENCE-NANO 12 . 1 (2025) : 863-878 . |
| APA | He, Tianlian , Hao, Xingyu , Chen, Ying , Li, Zhenguo , Zheng, Xinyu , Yang, Mingwei et al. Promoting the growth of rice and reducing the accumulation of Cd in rice by pig bedding derived carbon dots (PBCDs) under Cd stress . | ENVIRONMENTAL SCIENCE-NANO , 2025 , 12 (1) , 863-878 . |
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This study introduces an advanced electrochemical sensor fabricated by immobilizing nitrogen-doped malic acid carbon quantum dots (N-MCQDs) onto a glassy carbon electrode (GCE) via microwave-assisted synthesis and electrodeposition. The N-MCQDs were comprehensively characterized using high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, and atomic force microscopy (AFM), confirming their successful synthesis and uniform distribution on the GCE surface. The N-MCQDs-modified GCE electrode (NMCQDs/GCE) sensor displayed a remarkable linear detection range of 1-500 mu M for hydroquinone (HQ) and 1-200 mu M for catechol (CC), with ultra-low detection limits of 0.18 mu M for HQ and 0.13 mu M for CC. It also exhibits commendable stability, interference resistance, and the capability to accurately measure in complex real sample. These superior characteristics were attributed to the enhanced electrical conductivity and increased active sites due to nitrogen doping. This study not only broadens the application spectrum of carbon quantum dots but also offers a novel perspective for the design of high-performance electrochemical sensors for environmental analysis.
Keyword ：
Catechol Catechol Electrochemical sensor Electrochemical sensor Hydroquinone Hydroquinone Malic acid Malic acid N -doped carbon quantum dots N -doped carbon quantum dots
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| GB/T 7714 | Rong, Cheng , Huang, Yanmei , Zheng, Xinyu . Sensitive determination of hydroquinone and catechol using an electrochemical sensor based on nitrogen-doped malic acid carbon quantum dots [J]. | MATERIALS CHEMISTRY AND PHYSICS , 2025 , 329 . |
| MLA | Rong, Cheng et al. "Sensitive determination of hydroquinone and catechol using an electrochemical sensor based on nitrogen-doped malic acid carbon quantum dots" . | MATERIALS CHEMISTRY AND PHYSICS 329 (2025) . |
| APA | Rong, Cheng , Huang, Yanmei , Zheng, Xinyu . Sensitive determination of hydroquinone and catechol using an electrochemical sensor based on nitrogen-doped malic acid carbon quantum dots . | MATERIALS CHEMISTRY AND PHYSICS , 2025 , 329 . |
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In this study, a porous carbon material - carbon molecular sieve (CMS) is proposed by pyrolysis of inorganic molecular sieve infiltrated with organic molecules. During the pyrolysis, the architecture of molecular sieve offers nucleation framework for carbon atoms under the inert atmosphere. Thus, the CMS replicates the structure merit of molecular sieve, being characterized with ordered channels and cavities. The obtained CMS went through a series of materials characterization, showing the CMS was containing lots of ordered cavity structure with majority of mesopores. Meanwhile the CMS was highly graphitized, which could speed up electron and mass transfer on its surface. To demonstrate the excellent electrochemical properties of CMS, it was drop-coating onto the surface of GCE to fabricate a CMS/GCE electrode. The composite electrode was employed for the detection of p-nitrophenol, a highly toxic environmental pollutant, demonstrating its excellent performance in the electrocatalytic oxidation response. A series of electrochemical tests were carried out to optimize the detection of pnitrophenol. Under the optimized conditions, the quantification of p-nitrophenol is achieved from 2.0 to 1000 mu M with a detection limit of 0.2 mu M (S/N = 3).
Keyword ：
Carbon molecular sieve Carbon molecular sieve Electrochemical sensor Electrochemical sensor Molecular sieve Molecular sieve Para-nitrophenol Para-nitrophenol Porous carbon materials Porous carbon materials Template Template
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| GB/T 7714 | Yang, Mingwei , Feng, Jiajin , Li, Chunru et al. Channel-engineered carbon molecular sieves via anisotropic molecular sieve templating for ultrasensitive electrochemical monitoring of P-Nitrophenol [J]. | MICROCHEMICAL JOURNAL , 2025 , 215 . |
| MLA | Yang, Mingwei et al. "Channel-engineered carbon molecular sieves via anisotropic molecular sieve templating for ultrasensitive electrochemical monitoring of P-Nitrophenol" . | MICROCHEMICAL JOURNAL 215 (2025) . |
| APA | Yang, Mingwei , Feng, Jiajin , Li, Chunru , Wang, Yulin , Zheng, Xinyu . Channel-engineered carbon molecular sieves via anisotropic molecular sieve templating for ultrasensitive electrochemical monitoring of P-Nitrophenol . | MICROCHEMICAL JOURNAL , 2025 , 215 . |
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Pig bedding biochar (PBBC) and Cd-enriched Perilla frutescens were used for joint remediation of Cd-contaminated soil. Cd-contaminated soil was treated with different concentration of PBBC. The physiological and biochemical indicators of P. frutescens was evaluated under different Cd stress, including biomass, antioxidant system. Meanwhile Cd bioavailability, enzyme activity and nutrient bioavailability of the soil were monitored. Results revealed that PBBC at 1 % and 5 % levels led to decreased diethylenetriaminepentaacetic acid-extractable Cd (DTPA-Cd) content in soil by 19.09 %-20.05 % and 30.10 %-47.08 %, respectively. Moreover, PBBC promoted the transformation of exchangeable Cd (EXC-Cd) into a more stable form, enhanced soil enzymes (peroxidase, acid phosphatase, urease, and sucrase) activities, and alleviated P. frutescens 's oxidative stress. PBBC increased its biomass, consequently enhancing Cd accumulation in the plant's, thereby improving Phytoextraction rate (PER). 1 % PBBC showed the best effect, with a total biomass increased 21.42 %-26.94 %, PER was enhanced by 39.83 %-54.82 %. This study justifies that the combining PBBC with P. frutescens enhances Cd removal from soil, making the PBBC-P. frutescens a promising choice for treating Cd-polluted soil. (c) 2025 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
Keyword ：
Cd Cd Extraction Extraction Mitigate Mitigate Perilla frutescens Perilla frutescens Pig bedding biochar (PBBC) Pig bedding biochar (PBBC)
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| GB/T 7714 | He, Tianlian , Hao, Xingyu , Jing, Rui et al. Pig bedding biochar enhances the Cd extraction capacity of Perilla frutescens by mitigating the toxicity of Cd-contaminated soil [J]. | JOURNAL OF ENVIRONMENTAL SCIENCES , 2025 , 156 : 684-698 . |
| MLA | He, Tianlian et al. "Pig bedding biochar enhances the Cd extraction capacity of Perilla frutescens by mitigating the toxicity of Cd-contaminated soil" . | JOURNAL OF ENVIRONMENTAL SCIENCES 156 (2025) : 684-698 . |
| APA | He, Tianlian , Hao, Xingyu , Jing, Rui , Li, Zhenguo , Chen, Ying , Yang, Mingwei et al. Pig bedding biochar enhances the Cd extraction capacity of Perilla frutescens by mitigating the toxicity of Cd-contaminated soil . | JOURNAL OF ENVIRONMENTAL SCIENCES , 2025 , 156 , 684-698 . |
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The electrooxidation of dopamine (DA) and uric acid (UA) suffers from significant signal overlapping due to their similar oxidative potentials. In this study, a composite material consisting of carbon film coating on the surface of anatase TiO2 (TiO2@C) is proposed for the simultaneous detection of DA and UA. The synergistic effect of TiO2@C, which includes enhanced charge transfer efficiency and improved conductivity, significantly promotes the electrooxidation process. TiO2@C is prepared via a simple calcination approach by annealing MIL-125 at 750 degrees C under a nitrogen atmosphere. Systematic material characterization, including x-ray diffraction, highresolution transmission electron microscopy, Raman spectroscopy, etc., is performed to confirm the structural properties and surface composition of TiO2@C. TiO2@C is then used to modify a glassy carbon electrode (GCE) via drop-coating. A series of electrochemical measurements are conducted for the detection of DA and UA. After optimizing the measurement procedure, simultaneous detection of DA and UA is achieved, with linear ranges of 0.2 to 200 mu M for DA and 0.2 to 40 mu M for UA, and detection limits of 0.11 mu M for DA and 0.09 mu M for UA (D = 3 sigma/k). Further evaluations, including anti-interference testing, stability, and reusability, provide a comprehensive understanding of TiO2@C's performance. Finally, the TiO2@C/GCE is applied to determine DA and UA in human urine samples, yielding recoveries between 100.19-101.87 % for DA, and 93.09 %-105.30 % for UA. This study highlights the synergistic effect of TiO2@C in electrode modification, demonstrating its potential for the sensitive and selective electrochemical detection of DA and UA.
Keyword ：
Anatase TiO2 Anatase TiO2 Dopamine Dopamine Electrochemical sensor Electrochemical sensor Synergistic effect Synergistic effect Uric acid Uric acid
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| GB/T 7714 | Cheng, Rong , Fang, Xiaozhen , Wang, Yulin et al. Synergistic TiO2@C composite for enhanced simultaneous electrochemical detection of dopamine and uric acid in human urine [J]. | MICROCHEMICAL JOURNAL , 2025 , 212 . |
| MLA | Cheng, Rong et al. "Synergistic TiO2@C composite for enhanced simultaneous electrochemical detection of dopamine and uric acid in human urine" . | MICROCHEMICAL JOURNAL 212 (2025) . |
| APA | Cheng, Rong , Fang, Xiaozhen , Wang, Yulin , Gu, Chengzhen , Zheng, Xinyu , Yang, Mingwei . Synergistic TiO2@C composite for enhanced simultaneous electrochemical detection of dopamine and uric acid in human urine . | MICROCHEMICAL JOURNAL , 2025 , 212 . |
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A novel composite electrode material comprising bamboo tar pitch -based activated carbon (BTPAC) and tannic acid -derived carbon quantum dots (TACDs) was prepared. The integration of TACDs into the composite BTPAC60/TACD not only preserved the high conductivity characteristic of BTPAC but also enhanced its hydrophilicity, pore structure, and specific surface area. Electrochemical evaluations revealed that BTPAC-60/TACD delivers a specific capacitance of 677.7 F/g at 0.5 A/g in a three -electrode system, and 281.8 F/g at 1 A/g in a twoelectrode setup. Impressively, it achieves an energy density of 56.4 Wh/kg at a power density of 600 W/kg and maintains 95.7 % of its capacitance after 10,000 cycles. This research not only capitalizes on the high -value application of bamboo tar pitch but also provides a new perspective for the development of high-performance supercapacitor electrodes.
Keyword ：
Activated carbon Activated carbon Bamboo tar pitch Bamboo tar pitch Carbon quantum dots Carbon quantum dots Supercapacitor Supercapacitor Tannic acid Tannic acid
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| GB/T 7714 | Rong, Cheng , Liao, Chunxiao , Chen, Ying et al. High-performance supercapacitor electrode materials from composite of bamboo tar pitch activated carbon and tannic acid carbon quantum dots [J]. | JOURNAL OF ENERGY STORAGE , 2024 , 95 . |
| MLA | Rong, Cheng et al. "High-performance supercapacitor electrode materials from composite of bamboo tar pitch activated carbon and tannic acid carbon quantum dots" . | JOURNAL OF ENERGY STORAGE 95 (2024) . |
| APA | Rong, Cheng , Liao, Chunxiao , Chen, Ying , Zheng, Xinyu . High-performance supercapacitor electrode materials from composite of bamboo tar pitch activated carbon and tannic acid carbon quantum dots . | JOURNAL OF ENERGY STORAGE , 2024 , 95 . |
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本研究旨在探究紫苏(Perilla frutescens L.)药用活性成分酚酸生物合成途径中的关键基因。基于前期紫苏转录组测序数据，筛选出酚酸合成途径中的差异表达基因分支酸合成酶(chorismate synthase, CS)基因，获得PeCS基因开放阅读框(ORF)，利用生物信息学技术对Pe CS基因功能做出初步预测，构建pET30a-PeCS原核表达载体，并转化大肠杆菌BL21 (DE3),IPTG诱导表达后进行SDS-PAGE检测。通过实时荧光定量PCR(RT-qPCR)技术检测紫苏不同组织(根,茎,叶)中PeCS表达水平。克隆得到紫苏PeCS基因开放阅读框(ORF)长度为877 bp，编码291个氨基酸，生物信息学预测为亲水性蛋白，定位于叶绿体。该蛋白相对分子质量为31 659.16。Pe CS基因编码蛋白不含信号肽且无跨膜区，亚细胞定位于叶绿体。所构建pET30a-PeCS原核表达载体在大肠杆菌BL21 (DE3)中表达的最适条件为15℃、0.5 mmol/L IPTG培养16 h,PeCS重组蛋白主要以包涵体形式存在，蛋白分子量与预测相符。RT-qPCR分析显示PeCS基因在紫苏不同器官组织中均有表达，且在叶中的表达量最高，在茎中表达量最低。本研究成功克隆紫苏分支酸合成酶PeCS基因，有助于更深入地阐释紫苏酚酸合成途径和调控机制。
Keyword ：
分支酸合成酶 分支酸合成酶 原核表达 原核表达 生物信息学分析 生物信息学分析 紫苏 紫苏
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| GB/T 7714 | 韩博伦 , 肖清铁 , 文欢欢 et al. 紫苏分支酸合成酶PeCS基因克隆、生物信息学及原核表达分析 [J]. | 分子植物育种 , 2024 , 22 (07) : 2089-2097 . |
| MLA | 韩博伦 et al. "紫苏分支酸合成酶PeCS基因克隆、生物信息学及原核表达分析" . | 分子植物育种 22 . 07 (2024) : 2089-2097 . |
| APA | 韩博伦 , 肖清铁 , 文欢欢 , 律其鑫 , 郑新宇 , 林瑞余 . 紫苏分支酸合成酶PeCS基因克隆、生物信息学及原核表达分析 . | 分子植物育种 , 2024 , 22 (07) , 2089-2097 . |
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分析了建构主义与解构主义思想的内涵以及与传统结构主义教育观念的差异,并强调两者在教育实践中的互补性与促进作用.以胶体溶液教学为例,探讨了如何利用建构主义与解构主义思想来设计具体的教学案例.教学实践表明,采用建构主义与解构主义思想指导的教学方法能够提升学生对知识的理解和应用能力,同时培养他们的创新思维和社会责任感.
Keyword ：
建构主义 建构主义 教学设计 教学设计 胶体溶液 胶体溶液 解构主义 解构主义
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| GB/T 7714 | 荣成 , 蒋疆 , 郑新宇 . 普通化学教学中的建构主义与解构主义思想 [J]. | 大学化学 , 2024 , 39 (2) : 292-297 . |
| MLA | 荣成 et al. "普通化学教学中的建构主义与解构主义思想" . | 大学化学 39 . 2 (2024) : 292-297 . |
| APA | 荣成 , 蒋疆 , 郑新宇 . 普通化学教学中的建构主义与解构主义思想 . | 大学化学 , 2024 , 39 (2) , 292-297 . |
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Hydroquinone (HQ) in wastewater is of great concern, as it is harmful to human health and threatens the ecological environment. However, the existing adsorbents have low adsorption capacity for HQ. To improve the removal of HQ, N,S-codoped activated carbon-ZIF-67 (NSAC-ZIF-67@C) was synthesized in this study by in situ growth of ZIF-67 on N,S-codoped activated carbon (NSAC) and carbonization. The influence of pH, contact time, and initial concentration on the adsorption behaviors of NSAC-ZIF-67@C on HQ were investigated. Owing to the synergistic effect of abundant active sites and well-developed pore structure, the NSAC-ZIF-67@C achieved a prominent adsorption capacity of 962 mgg(-1) and can still retain high adsorption performance after 5 cycles for HQ, which is superior to that of reported other adsorbents. HQ adsorption follows the pseudo-second-order kinetics model (R-2 = 0.99999) and the Freundlich isotherm model. X-ray photoelectron spectroscopy (XPS) analysis before and after adsorption as well as density functional theory (DFT) calculation results showed that pyridinic-N-termini were conducive to the pi-pi interactions and hydrogen-bonding interactions. Therefore, the adsorption mechanisms of NSAC-ZIF-67@C on HQ involve pore filling, electrostatic attraction, pi-pi interaction, and hydrogen bonding. This study is expected to provide a reference for designing highly effective adsorbents for wastewater treatment.
Keyword ：
adsorption adsorption hydroquinone hydroquinone N N S-codoped activatedcarbon S-codoped activatedcarbon wastewater wastewater ZIF-67 ZIF-67
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| GB/T 7714 | Yang, Xuan , Wang, Xueqin , Xu, Shenghao et al. ZIF-67 and Biomass-Derived N, S-Codoped Activated Carbon Composite Derivative for High-Effective Removal of Hydroquinone from Water [J]. | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (26) : 34254-34265 . |
| MLA | Yang, Xuan et al. "ZIF-67 and Biomass-Derived N, S-Codoped Activated Carbon Composite Derivative for High-Effective Removal of Hydroquinone from Water" . | ACS APPLIED MATERIALS & INTERFACES 16 . 26 (2024) : 34254-34265 . |
| APA | Yang, Xuan , Wang, Xueqin , Xu, Shenghao , Lu, Beili , Huang, Biao , Zheng, Xinyu et al. ZIF-67 and Biomass-Derived N, S-Codoped Activated Carbon Composite Derivative for High-Effective Removal of Hydroquinone from Water . | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (26) , 34254-34265 . |
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This study introduces an advanced electrochemical sensor fabricated by immobilizing nitrogen-doped malic acid carbon quantum dots (N-MCQDs) onto a glassy carbon electrode (GCE) via microwave-assisted synthesis and electrodeposition. The N-MCQDs were comprehensively characterized using high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, and atomic force microscopy (AFM), confirming their successful synthesis and uniform dispersion on the GCE surface. The N-MCQDs/GCE sensor displayed a remarkable linear detection range of 1-500 μM for hydroquinone (HQ) and 1-200 μM for catechol (CC), with ultra-low detection limits of 0.18 μM for HQ and 0.13 μM for CC. It also exhibits commendable stability, interference resistance, and the capability to accurately measure in complex real sample. These superior characteristics were attributed to the enhanced electrical conductivity and increased active sites due to nitrogen doping. This study not only broadens the application spectrum of carbon quantum dots but also offers a novel perspective for the design of high-performance electrochemical sensors for environmental analysis. © 2024, The Authors. All rights reserved.
Keyword ：
Carbon Carbon Doping (additives) Doping (additives) Electrochemical sensors Electrochemical sensors Fourier transform infrared spectroscopy Fourier transform infrared spectroscopy Glass membrane electrodes Glass membrane electrodes High resolution transmission electron microscopy High resolution transmission electron microscopy Nanocrystals Nanocrystals Nitrogen Nitrogen Phenols Phenols Semiconductor quantum dots Semiconductor quantum dots X ray photoelectron spectroscopy X ray photoelectron spectroscopy
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| GB/T 7714 | Rong, Cheng , Huang, Yanmei , Zheng, Xinyu . Sensitive Determination of Hydroquinone and Catechol Using an Electrochemical Sensor Based on Nitrogen-Doped Malic Acid Carbon Quantum Dots [J]. | SSRN , 2024 . |
| MLA | Rong, Cheng et al. "Sensitive Determination of Hydroquinone and Catechol Using an Electrochemical Sensor Based on Nitrogen-Doped Malic Acid Carbon Quantum Dots" . | SSRN (2024) . |
| APA | Rong, Cheng , Huang, Yanmei , Zheng, Xinyu . Sensitive Determination of Hydroquinone and Catechol Using an Electrochemical Sensor Based on Nitrogen-Doped Malic Acid Carbon Quantum Dots . | SSRN , 2024 . |
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