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NES1/KLK10 and hNIS gene therapy enhanced iodine-131 internal radiation in PC3 proliferation inhibition

Jiajia Hu, Wenbin Shen, Qian Qu, Xiaochun Fei, Ying Miao, Xinyun Huang, Jiajun Liu, Yingli Wu, Biao Li

《医学前沿(英文)》 2019年 第13卷 第6期   页码 646-657 doi: 10.1007/s11684-018-0643-y

摘要: gene is thought to be a tumor-suppressor gene. Our previous study found that overexpression of gene in PC3 cell line could slow down the tumor proliferation rate, associated with a mild decrease in expression. The decrease could increase the sensitivity of radiotherapy to tumors. Thus, we supposed to have an “enhanced firepower” effect by combining overexpressed gene therapy and I radiation therapy uptake by overexpressed hNIS protein. We found a weak endogenous expression of hNIS protein in PC3 cells and demonstrated that the low expression of hNIS protein in PC3 cells might be the reason for the low iodine uptake. By overexpressing in PC3, the radioactive iodine uptake ability was significantly increased. Results of and tumor proliferation experiments and F-fluorothymidine ( F-FLT) micro-positron emission tomography/computed tomography (micro-PET/CT) imaging showed that the combined gene therapy and I radiation therapy mediated by overexpressed hNIS protein had the best tumor proliferative inhibition effect. Immunohistochemistry showed an obvious decrease of expression and the lowest expression. These data suggest that via inhibition of expression, overexpressed might enhance the effect of radiation therapy of I uptake in overexpressed PC3 cells.

关键词: androgen-independent prostate cancer     normal epithelial cell-specific 1/kallikrein 10     sodium/iodide symporter     radiation therapy     proliferation    

Toward better understanding vacuum ultraviolet–iodide induced photolysis via hydrogen peroxide formation

《环境科学与工程前沿(英文)》 2022年 第16卷 第5期 doi: 10.1007/s11783-021-1489-0

摘要:

• UV/VUV/I induces substantial H2O2 and IO3 formation, but UV/I does not.

关键词: Vacuum ultraviolet     Hydrogen peroxide     Iodate     Hydroxyl radical     Redox transition    

Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

《能源前沿(英文)》 2023年 第17卷 第6期   页码 775-781 doi: 10.1007/s11708-023-0902-8

摘要: Aqueous zinc-ion batteries (ZIBs) have great prospects for widespread application in massive scale energy storage. By virtue of the multivalent state, open frame structure and high theoretical specific capacity, vanadium (V)-based compounds are a kind of the most developmental potential cathode materials for ZIBs. However, the slow kinetics caused by low conductivity and the capacity degradation caused by material dissolution still need to be addressed for large-scale applications. Therefore, sodium vanadate Na2V6O16·3H2O (NVO) was chosen as a model material, and was modified with alumina coating through simple mixing and stirring methods. After Al2O3 coating modification, the rate capability and long-cycle stability of Zn//NVO@Al2O3 battery have been significantly improved. The discharge specific capacity of NVO@Al2O3 reach up to 228 mAh/g (at 4 A/g), with a capacity reservation rate of approximately 68% after 1000 cycles, and the Coulombic efficiency (CE) is close to 100%. As a comparison, the capacity reservation rate of Zn//NVO battery is only 27.7%. Its superior electrochemical performance is mainly attributed to the Al2O3 coating layer, which can increase zinc-ion conductivity of the material surface, and to some extent inhibit the dissolution of NVO, making the structure stable and improving the cyclic stability of the material. This paper offers new prospects for the development of cathode coating materials for ZIBs.

关键词: cathodes     aqueous zinc-ion batteries     sodium vanadate     alumina     coating    

Preliminary design of an SCO conversion system applied to the sodium cooled fast reactor

《能源前沿(英文)》 2021年 第15卷 第4期   页码 832-841 doi: 10.1007/s11708-021-0777-5

摘要: The supercritical carbon dioxide (SCO2) Brayton cycle has become an ideal power conversion system for sodium-cooled fast reactors (SFR) due to its high efficiency, compactness, and avoidance of sodium-water reaction. In this paper, the 1200 MWe large pool SFR (CFR1200) is used as the heat source of the system, and the sodium circuit temperature and the heat load are the operating boundaries of the cycle system. The performance of different SCO2 Brayton cycle systems and changes in key equipment performance are compared. The study indicates that the inter-stage cooling and recompression cycle has the best match with the heat source characte-ristics of the SFR, and the cycle efficiency is the highest (40.7%). Then, based on the developed system transient analysis program (FR-Sdaso), a pool-type SFR power plant system analysis model based on the inter-stage cooling and recompression cycle is established. In addition, the matching between the inter-stage cooling recompression cycle and the SFR during the load cycle of the power plant is studied. The analysis shows that when the nuclear island adopts the flow-advanced operation strategy and the carbon dioxide flowrate in the SCO2 power conversion system is adjusted with the goal of maintaining the sodium-carbon dioxide heat exchanger sodium side outlet temperature unchanged, the inter-stage cooling recompression cycle can match the operation of the SFR very well.

关键词: sodium-cooled fast reactor (SFR)     supercritical carbon dioxide (SCO2)     brayton cycle     load cycle    

Construction of sustainable, colored and multifunctional protein silk fabric using biomass riboflavin sodium

《化学科学与工程前沿(英文)》 2023年 第17卷 第8期   页码 1131-1139 doi: 10.1007/s11705-023-2321-0

摘要: Riboflavin sodium phosphate has been confirmed as a promising biomass product derived from natural plants. In this paper, a novel method of dyeing and multifunctional modification of silk fabric by impregnation with riboflavin sodium phosphate was proposed, such that protein silk fabric can be endowed with bright yellow color and multi-functionality. The results of this paper confirmed that the pH and concentration of riboflavin sodium phosphate solution are critical factors for dyeing and multifunctional modification. Attractively, the photochromic performance was one of the most distinctive features of the modified silk fabric, and the dyed silk fabric turned into fluorescent green from original yellow under 365 nm ultraviolet lamp. Furthermore, the modified silk fabric exhibited good antibacterial properties with a high inhibition rate of 92% for Escherichia coli. Besides, the flame retardancy of silk fabric was significantly improved after modification. The damaged length of modified silk fabric with 40% owf riboflavin sodium phosphate was lower than 10.4 cm and passed the B1 classification. As revealed by the result of this paper, riboflavin sodium phosphate is sufficiently effective in serving as an eco-friendly multifunctional agent for strengthening the add-value of silk textiles.

关键词: biomass     riboflavin sodium phosphate     silk protein     multifunctional modification     flame retardant    

Advances in doping strategies for sodium transition metal oxides cathodes: A review

《能源前沿(英文)》 2024年 第18卷 第2期   页码 141-159 doi: 10.1007/s11708-024-0918-8

摘要: The electrochemistry of cathode materials for sodium-ion batteries differs significantly from lithium-ion batteries and offers distinct advantages. Overall, the progress of commercializing sodium-ion batteries is currently impeded by the inherent inefficiencies exhibited by these cathode materials, which include insufficient conductivity, slow kinetics, and substantial volume changes throughout the process of intercalation and deintercalation cycles. Consequently, numerous methodologies have been utilized to tackle these challenges, encompassing structural modulation, surface modification, and elemental doping. This paper aims to highlight fundamental principles and strategies for the development of sodium transition metal oxide cathodes. Specifically, it emphasizes the role of various elemental doping techniques in initiating anionic redox reactions, improving cathode stability, and enhancing the operational voltage of these cathodes, aiming to provide readers with novel perspectives on the design of sodium metal oxide cathodes through the doping approach, as well as address the current obstacles that can be overcome/alleviated through these dopant strategies.

关键词: sodium-ion batteries     transition metal cathode     doping strategy    

A fibrous hydroelectric generator derived from eco-friendly sodium alginate for low-grade energy harvesting

《能源前沿(英文)》 2024年 第18卷 第4期   页码 474-482 doi: 10.1007/s11708-024-0930-z

摘要: With the development of renewable energy technologies, the recovery and utilization of low-grade energy based on hydroelectric effect have drawn much attention owing to its environmental friendliness. Herein, a novel hydroelectric generator utilizing sodium alginate-graphene oxide (SA-GO) fibers is proposed, which is eco-friendly and low-cost. These fibers with a length of 5 cm and a diameter of 0.15 mm can generate an open circuit voltage (Voc) of approximately 0.25 V and a short circuit current (Isc) of 4 μA. By connecting SA-GO fibers in either series or parallel, this combination can power some electronic devices. Furthermore, these fibers enable the recovery of low-grade energy from the atmosphere or around the human body. Both experimental and theoretical analysis confirm that the directional flow of protons driven by water molecules is the main mechanism for power generation of SA-GO fibers. This study not only presents a simple energy transformation method that is expected to be applied to our daily life, but also provides a novel idea for the design of humidity electricity-generation devices.

关键词: fibrous hydroelectric generator     sodium alginate (SA)     graphene oxide (GO)     power generation    

Rational design of practical layered transition metal oxide cathode materials for sodium-ion batteries

《化学科学与工程前沿(英文)》 2024年 第18卷 第7期   页码 80-80 doi: 10.1007/s11705-024-2435-z

摘要: Sodium-ion batteries (SIBs), which serve as alternatives or supplements to lithium-ion batteries, have been developed rapidly in recent years. Designing advanced high-performance layered NaxTMO2 cathode materials is beneficial for accelerating the commercialization of SIBs. Herein, the recent research progress on scalable synthesis methods, challenges on the path to commercialization and practical material design strategies for layered NaxTMO2 cathode materials is summarized. Co-precipitation method and solid-phase method are commonly used to synthesize NaxTMO2 on mass production and show their own advantages and disadvantages in terms of manufacturing cost, operative difficulty, sample quality and so on. To overcome drawbacks of layered NaxTMO2 cathode materials and meet the requirements for practical application, a detailed and deep understanding of development trends of layered NaxTMO2 cathode materials is also provided, including high specific energy materials, high-entropy oxides, single crystal materials, wide operation temperature materials and high air stability materials. This work can provide useful guidance in developing practical layered NaxTMO2 cathode materials for commercial SIBs.

关键词: sodium-ion batteries     layered oxide     industrialization     development prospect    

Petroleum pitch derived hard carbon via NaCl-template as anode materials with high rate performance for sodium

《化学科学与工程前沿(英文)》 2024年 第18卷 第7期   页码 73-73 doi: 10.1007/s11705-024-2430-4

摘要: Sodium-ion batteries (SIBs) have garnered significant interest in energy storage due to their similar working mechanism to lithium ion batteries and abundant reserves of sodium resource. Exploring facile synthesis of a carbon-based anode materials with capable electrochemical performance is key to promoting the practical application of SIBs. In this work, a combination of petroleum pitch and recyclable sodium chloride is selected as the carbon source and template to obtain hard carbon (HC) anode for SIBs. Carbonization times and temperatures are optimized by assessing the sodium ion storage behavior of different HC materials. The optimized HC exhibits a remarkable capacity of over 430 mAh·g–1 after undergoing full activation through 500 cycles at a density of current of 0.1 A·g–1. Furthermore, it demonstrates an initial discharge capacity of 276 mAh·g–1 at a density of current of 0.5 A·g–1. Meanwhile, the optimized HC shows a good capacity retention (170 mAh·g–1 after 750 cycles) and a remarkable rate ability (166 mAh·g–1 at 2 A·g–1). The enhanced capacity is attributed to the suitable degree of graphitization and surface area, which improve the sodium ion transport and storage.

关键词: petroleum pitch     hard carbon     sodium-ion batteries     high rate     recyclable template    

Toxic effect of sodium perfluorononyloxy-benzenesulfonate on in aerobic denitrification, cell structure

《环境科学与工程前沿(英文)》 2021年 第15卷 第5期 doi: 10.1007/s11783-021-1391-9

摘要:

• OBS inhibited the growth of P. stutzeri and destroyed its structure.

关键词: Sodium perfluorononyloxy-benzenesulfonate     Aerobic denitrification     Pseudomonas stutzeri     Ecotoxicity     ROS     Persist organic pollutants     Toxicity     Denitrification     Microbiology    

Effect of sodium ions in synthesis of titanium silicalite-1 on its catalytic performance for cyclohexanone

Pengxu YAO,Yaquan WANG,Teng ZHANG,Shuhai WANG,Xiaoxue WU

《化学科学与工程前沿(英文)》 2014年 第8卷 第2期   页码 149-155 doi: 10.1007/s11705-014-1409-y

摘要: Titanium silicalite-1 (TS-1) has been hydrothermally synthesized with tetrapropylammonium hydroxide (TPAOH) as the template in the presence of various amounts of Na , characterized by inductively coupled plasma, X-ray diffraction, scanning electron microscope, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy and ultro-violet-visible spectroscopy and studied in cyclohexanone ammoximation. The characterization results show that with the increase of Na concentration in the synthesis, both the crystal sizes of TS-1and extra framework Ti increase but framework Ti decreases. The addition of Na below 3 mol-% of TPAOH in the synthesis does not influence the catalytic properties with above 98% conversion of cyclohexanone and 99.5% selectivity to cyclohexanone oxime. However, at the concentrations of Na ≥3 mol-% of TPAOH in the synthesis, the catalysts are deactivated faster with the increase of Na addition, which can be attributed to more high molecular weight byproducts deposited in the large TS-1 particles and the loss of the frame-work titanium. The results of this work are of great importance for the industry.

关键词: extra framework Ti     cyclohexanone ammoximation     titanium silicalite-1     sodium ion     crystal size    

Industrial waste utilization method: producing poly-ferric sulfate (PFS) from sodium-jarosite residue

Zhongguo LI,Wenyi YUAN

《环境科学与工程前沿(英文)》 2015年 第9卷 第4期   页码 731-737 doi: 10.1007/s11783-014-0687-4

摘要: Sodium-jarosite is a type of industrial waste that results from hydrometallurgy and inorganic chemical production. The iron content of jarosite residue may be utilized to produce theoretically the ferrous materials. The difficulty in production of high quality poly-ferric sulfate (PFS) is how to remove impurities contained in jarosite residue. This paper proposes a novel method for disposing sodium-jarosite which can be used to synthesize PFS, a very important reagent for treating waste water. The method consists of a two-step leaching experimental procedures. The first step, pre-leaching process, is to remove impurity metals by strictly controlling the leaching conditions. The acid concentration of acidic water was adjusted according to the content of impurity metals in sodium-jarosite and the leaching temperature was controlled at 25°C. The second step is to decompose sodium-jarosite to provide enough ferric ions for synthesizing PFS, the concentrated sulfuric acid consumption was 0.8 mL·g sodium-jarosite and the leaching temperature was above 60°C. In the experiment, decomposing iron from sulfate sodium-jarosite can take the place of ferric martials for synthesizing PFS. Results show that the PFS synthesized from sodium-jarosite had a high poly-iron complex Fe (SO ) (OH) ·20H O. Further, the PFS product’s specifications satisfied the national standard of China.

关键词: sodium-jarosite residue     utilization     poly-ferric sulfate (PFS)    

Nucleation and growth mechanism of cefodizime sodium at different solvent compositions

Xinwei ZHANG, Shudong ZHANG, Xiaodan SUN, Zequn YIN, Quanjie LIU, Xiwen ZHANG, Qiuxiang YIN

《化学科学与工程前沿(英文)》 2013年 第7卷 第4期   页码 490-495 doi: 10.1007/s11705-013-1350-5

摘要: The induction time of cefodizime sodium was measured in ethanol-water at different solvent compositions by the laser technology measurement. The results indicate that the solvent composition played an important role in the supersaturation and the nucleation process of cefodizime sodium solution. According to the modified classical nucleation theory, the nucleation and growth mechanism were identified. The correlation results show that heterogeneous nucleation dominated the nucleation process at lower supersaturation, where homogeneous nucleation is the most important mechanism at higher supersaturation. Based on the correlated results, the 2D mediated growth mechanism had the highest correlation coefficients ( ), so this mechanism was selected as the proper growth mechanism for cefodizime sodium.

关键词: cefodizime sodium     induction time     primary nucleation     growth mechanism    

Formation of disinfection by-products during sodium hypochlorite cleaning of fouled membranes from membrane

《环境科学与工程前沿(英文)》 2021年 第15卷 第5期 doi: 10.1007/s11783-021-1389-3

摘要:

•HAAs was dominant among the DBPs of interest.

关键词: MBR     Biofouling     EPS     Chemical cleaning     DBPs     CLSM    

储能钠电池技术发展的挑战与思考

胡英瑛,吴相伟,温兆银,侯明,衣宝廉

《中国工程科学》 2021年 第23卷 第5期   页码 94-102 doi: 10.15302/J-SSCAE-2021.05.013

摘要:

储能安全是国家能源安全的重要方面,是国民经济发展的重要支撑,对国家安全、可持续发展以及社会稳定具有重要的影响。钠电池技术兼具高功率密度、高能量密度、低成本以及高安全性等优势,成为一类重要的大规模储能技术。本文重点介绍了包括钠硫电池和钠– 金属氯化物电池等在内的典型钠电池体系的技术优势和应用场景,并通过分析钠电池技术在国内外的发展与应用现状提出了我国钠电池技术可能的发展方向并给出了相应的建议,包括支持储能钠电池相关材料科学的研究和工程化技术攻关、推动储能钠电池相关上下游产业的聚集发展、建立健全储能钠电池的相关标准和性能评价平台等措施,以提升我国储能钠电池技术的研发水平和技术成熟度,为我国的能源安全建设带来新的可靠选择。

关键词: 电化学储能     钠电池     钠硫电池     钠– 金属氯化物电池     ZEBRA 电池    

标题 作者 时间 类型 操作

NES1/KLK10 and hNIS gene therapy enhanced iodine-131 internal radiation in PC3 proliferation inhibition

Jiajia Hu, Wenbin Shen, Qian Qu, Xiaochun Fei, Ying Miao, Xinyun Huang, Jiajun Liu, Yingli Wu, Biao Li

期刊论文

Toward better understanding vacuum ultraviolet–iodide induced photolysis via hydrogen peroxide formation

期刊论文

Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

期刊论文

Preliminary design of an SCO conversion system applied to the sodium cooled fast reactor

期刊论文

Construction of sustainable, colored and multifunctional protein silk fabric using biomass riboflavin sodium

期刊论文

Advances in doping strategies for sodium transition metal oxides cathodes: A review

期刊论文

A fibrous hydroelectric generator derived from eco-friendly sodium alginate for low-grade energy harvesting

期刊论文

Rational design of practical layered transition metal oxide cathode materials for sodium-ion batteries

期刊论文

Petroleum pitch derived hard carbon via NaCl-template as anode materials with high rate performance for sodium

期刊论文

Toxic effect of sodium perfluorononyloxy-benzenesulfonate on in aerobic denitrification, cell structure

期刊论文

Effect of sodium ions in synthesis of titanium silicalite-1 on its catalytic performance for cyclohexanone

Pengxu YAO,Yaquan WANG,Teng ZHANG,Shuhai WANG,Xiaoxue WU

期刊论文

Industrial waste utilization method: producing poly-ferric sulfate (PFS) from sodium-jarosite residue

Zhongguo LI,Wenyi YUAN

期刊论文

Nucleation and growth mechanism of cefodizime sodium at different solvent compositions

Xinwei ZHANG, Shudong ZHANG, Xiaodan SUN, Zequn YIN, Quanjie LIU, Xiwen ZHANG, Qiuxiang YIN

期刊论文

Formation of disinfection by-products during sodium hypochlorite cleaning of fouled membranes from membrane

期刊论文

储能钠电池技术发展的挑战与思考

胡英瑛,吴相伟,温兆银,侯明,衣宝廉

期刊论文