JOURNAL OF ALLOYS AND COMPOUNDS
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2018
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IF 3.779
Miao Zhang,Renzong Hu,Jiangwen Liu,Liuzhang Ouyang,Jun liu,Lichun Yang,Fang Fang,Min Zhu
Red phosphorus attracts significant interest for lithium-ion batteries due to its high theoretical capacity. Nevertheless, its low electronic conductivity and drastic volume change during cycling limit its further applications. In this study, we fabricate a novel AgP 2 /C nanocomposite by facile ball milling. The nanocomposite anode delivers a high reversible capacity of 785 mA h g −1 at 0.5 A g −1 after 100 cycles and an excellent rate capability with a reversible capacity of 605 mA h g −1 at10 A g −1 in half cells. This excellent electrochemical performance is attributed to the uniform dispersion of amorphous carbon and the synergistic effect of intermediate discharge/charge products. In addition, the LiCoO 2 ‖AgP 2 /C full cell exhibits a stable capacity with an operation potential of ∼2.8 V, indicating the commercial potential of this material in high rate lithium-ion batteries.
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DOI
高影响因子
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2021
·
IF 6.953
Jun Gu,Shuaifeng Zhang,Xuefeng Xia,Xuehan Zhang,Baochao Fan,Junming Zhou,Haodan Zhu,Wei Wang,Xianghui Qi,Li Li,Bin Li
In this work, an edible cellulose-based antibacterial material was prepared by cross-linking α-cellulose and kanamycin sulfate via glutaraldehyde to form kanamycin sulfate-glutaraldehyde-cellulose. Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and X-ray diffraction results indicated that the kanamycin sulfate molecule was cross-linked with the molecular chain of cellulose. The optimal mass ratio of kanamycin sulfate to α-cellulose was 1:100 and the degree of substitution reached 1.11%. The optimal kanamycin sulfate-glutaraldehyde-cellulose material showed an excellent inhabitation against both Gram-positive and Gram-negative bacteria. Meantime, the optimal kanamycin sulfate-glutaraldehyde-cellulose had a marked resistance to gastric acid and had low cell cytotoxicity. To promote the application of the kanamycin sulfate-glutaraldehyde-cellulose material, the porous microspheres were prepared via the sol-gel method. The particle size of the homogeneous porous microspheres is mainly distributed between 1.5 and 2.0 μm. Therefore, the kanamycin sulfate-glutaraldehyde-cellulose described herein is a potential edible, eco-friendly, potent, stable, inexpensive, and antibacterial carrier material for delivering drugs, proteins, or vaccines.
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高影响因子
JOURNAL OF HAZARDOUS MATERIALS
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2021
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IF 10.588
Lu Zeng,Xinxin Xu,Lingling Guo,Zhongxing Wang,Hongliu Ding,Shanshan Song,Liguang Xu,Hua Kuang,Liqiang Liu,Chuanlai Xu
To ensure food quality and prevent histamine (HA) toxicity, a rapid and direct method of detecting HA is required. In this work, we prepared a monoclonal antibody (mAb) against HA using a hapten produced by the introduction of a phenyl-containing linker. The novel mAb exhibited high sensitivity against HA as determined by ELISA, with a half-maximal inhibitory concentration of 21.51 ng/mL. A gold nanoparticle-based immunosensor was fabricated for rapid detection of HA in fish samples. After optimizing the immunosensor, a visual limit of detection (LOD) and a calculated LOD were 0.25 mg/kg and 10.48 μg/kg for HA, respectively. Recovery rates from the spiked fish samples ranged from 87.33% to 104.67% with the coefficient of variation below 10.82%. Concurrently, the whole process in testing real sample was completed within 15 min, and all results were well confirmed and comparable by liquid chromatography-mass spectrometry and the commercial test strip. These data revealed that the proposed immunosensor could be used as a monitoring tool for the rapid and direct detection of HA in fish samples.
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DOI
高影响因子
Journal of Materials Chemistry B
·
2022
·Vol. 10
·期 30
·5796-5803
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IF 7.571
Hao-Chi Hao,Gang Zhang,Ya-Nan Wang,Ru Sun,Yu-Jie Xu,Jian-Feng Ge
In this paper we report a hemicyanine dye that is used to distinguish cancer cells from normal cells with its ability to target different organelles. Probe 1, a red emission hemicyanine functional dye, was connected to oxazolo[4,5-b]pyridine and diethylaminobenzene with a double bond. The maximum absorption peaks of probe 1 were located in the 509–552 nm range in organic solvents. Meanwhile, the probe possessed a high molar extinction coefficient (5.50 × 104 M−1 cm−1 in DMSO) with high photostability. The maximum emission wavelength of the probe ranged from 572 nm to 644 nm, and it also had a large Stokes shift (126 nm in DMSO). In particular, the probe showed weak fluorescence in water (Φ = 0.016), whereas it displayed strong fluorescence at 595 nm in β-cyclodextrin (β-CD) solution (Φ = 0.13). In addition, cell colocalization experiments showed that probe 1 (3 μM) was located in the endoplasmic reticulum in cancer cells, while it could target lysosomes in normal cells. What's more, further cell imaging experiments demonstrated that the average fluorescence intensity of probe 1 (0.3 μM) in cancer cells increased with the addition of β-CD, but it did not occur in normal cells. The study provides a convenient way to distinguish cancer cells from normal ones, which has potential for application in the early detection of cancer.
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高影响因子
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2024
·
IF 7.7
Yumei Hu,Longhai Dai,Yuhang Xu,Du Niu,Xuechun Yang,Zhenzhen Xie,Panpan Shen,Xian Li,Hao Li,Lilan Zhang,Jian Min,Rey-Ting Guo,Chun-Chi Chen
Ochratoxin A (OTA) contamination in various agro-products poses a serious threat to the global food safety and human health, leading to enormous economic losses. Enzyme-mediated OTA degradation is an appealing strategy, and the search for more efficient enzymes is a prerequisite for achieving this goal. Here, a novel amidohydrolase, termed Pw ADH, was demonstrated to exhibit 7.3-fold higher activity than that of the most efficient OTA-degrading ADH3 previously reported. Cryo-electron microscopy structure analysis indicated that additional hydrogen-bond interactions among OTA and the adjacent residue H163, the more compact substrate-binding pocket, and the wider entry to the substrate-access cavity might account for the more efficient OTA-degrading activity of Pw ADH compared with that of ADH3. We conducted a structure-guided rational design of Pw ADH and obtained an upgraded variant, G88D, whose OTA-degrading activity was elevated by 1.2-fold. In addition, Pw ADH and the upgraded G88D were successfully expressed in the industrial yeast Pichia pastoris , and their catalytic activities were compared to those of their counterparts produced in E. coli , revealing the feasibility of producing Pw ADH and its variants in industrial yeast strains. These results illustrate the structural basis of a novel, efficient OTA-degrading amidohydrolase and will be beneficial for the development of high-efficiency OTA-degrading approaches.
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DOI
PubMed
高影响因子
Geoenergy Science and Engineering
·
2024
·
IF 0
Xiang Yan,Caili Dai,Siwei Meng,Zhijie Wei,Xu Jin,He Liu,Yongge Liu,Yining Wu
Spontaneous imbibition (SI) has been proposed as a crucial approach to enhance oil recovery in unconventional reservoirs. Previous research suggests that wettability alteration rather than oil-water interfacial tension (IFT) reduction is the key mechanism for imbibition oil recovery enhancement. However, our experimental results indicate that for asphaltene-adsorbed oil-wet surfaces it's challenging to substantially modulate wettability . In such oil-wet pores, the negative capillary force cannot function as an imbibition driving force, and hence, the method of altering wettability and maintaining the oil-water IFT at relatively high values to enhance imbibition efficiency is insufficiently applicable. When the capillary cannot work, reducing the IFT to ultra-low levels to induce the transformation of the imbibition pattern may be more effective for imbibition efficiency enhancement. In this paper, low-field nuclear magnetic resonance (NMR) was employed to monitor the SI process. The results suggested that for the asphaltene-adsorbed oil-wet tight sandstone, the surfactants combined system with ultra-low oil-water IFT possessed the highest oil recovery, followed by the medium-IFT systems and high-IFT systems. The spontaneous formation of emulsion was observed when the IFT value was reduced to the ultra-low level. Oil droplets can pass through the small pores easily since the deformability of oil is greatly enhanced. The ultra-low IFT system transforms the imbibition pattern from capillary force-driven to gravity-driven, and exhibits the highest oil utilization rate in micropores , mesopores , and macropores among all imbibition agent systems, thereby having the highest total oil recovery. Consequently, the imbibition-enhancing potential of the ultra-low IFT system is considerable and deserves more attention, especially for the oil-wet pores that can hardly be altered to the water-wet state.
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JOURNAL OF BIOTECHNOLOGY
·
2015
·
IF 2.871
Nan-Wei Wan,Zhi-Qiang Liu,Feng Xue,Yu-Guo Zheng
A halohydrin dehalogenase (HHDH-PL) from Parvibaculum lavamentivorans DS-1 was characterized and applied to determine azide and cyanide in the water. In this methodology, HHDH-PL catalysed azide and cyanide to react with butylene oxide and form corresponding β-substituted alcohols 1-azidobutan-2-ol (ABO) and 3-hydroxypentanenitrile (HPN) that could be quantitatively detected by gas chromatograph. The detection calibration curves for azide ( R 2 = 0.997) and cyanide ( R 2 = 0.995) were linear and the lower limits of detection for azide and cyanide were 0.1 and 0.3 mM, respectively. Several other nucleophiles were identified having no effect on the analysis of azide and cyanide, excepting nitrite which influenced the detection of cyanide. This was the first report of a biological method to determine the inorganic azide and cyanide by converting them to the measurable organics.
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高影响因子
JOURNAL OF POWER SOURCES
·
2019
·
IF 7.467
Jiashu Yuan,Cuijuan Zhang,Yihan Zhen,Yicheng Zhao,Yongdan Li
The non-aqueous redox flow battery (NARFB) is a promising device for grid-scale energy storage. However, its electrochemical performance and long-term stability still need to be improved. This work shows that the electrochemical performance of NARFB can be remarkably enhanced by optimizing the supporting electrolyte and separator. The battery with 2,1,3-benzothiadiazole (BzNSN) as anolyte, 2,5-di-tert-butyl-1-methoxy-4-[2′-methoxyethoxy]benzene (DBMMB) as catholyte, tetraethylammonium bis(trifluoromethylsulfonyl)imide (TEATFSI) as supporting electrolyte , and porous Daramic 250 separator delivers an average discharge capacity of 1.7 Ah L −1 , voltage efficiency of 87.8%, Coulombic efficiency of 89.1%, and energy efficiency of 78.3% over 100 cycles at the current density of 40 mA cm −2 with 0.1 M active materials. The reasons for the capacity decay over cycling in terms of electrolyte leakage, crossover, and chemical decomposition are discussed.
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高影响因子
Materials Today Energy
·
2019
·
IF 0
Lijing Yan,Xiaomin Zeng,Zeheng Li,Xiangjuan Meng,Di Wei,Tiefeng Liu,Min Ling,Zhan Lin,Chengdu Liang
Graphite was reported by J.O. Besenhard as the reservoir for alkali ions in 1974. The booming period of lithium-ion batteries arrived after the graphite patent issued by Sony Co. in 1991. The flourish development is due to the address of lithium dendrite issue through the substitution from lithium metal to graphite. Currently, the zinc dendrite formation in zinc-ion batteries is one of the major issues. Herein, we fabricate a zinc-ion full battery by replacing zinc metal with organic quinone , which is a zinc dendrite free material. This novel zinc-ion full battery exhibits excellent cycling stability with capacity retention of 94.4% and high specific capacity of 189.5 mA h g −1 after 500 cycles. Ascribed to the low cost of quinone and long cycle performance, this work could inaugurate a new era for rechargeable aqueous zinc-ion batteries.
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DOI
COMPOSITES SCIENCE AND TECHNOLOGY
·
2019
·
IF 6.309
Shuyan Yang,Junyu Tian,Xiaofei Bian,Yunhui Wu
Fly ash (FA) is a solid waste from coal-fired power stations, which can cause serious environmental problems without further treatment. Although FA has been successfully utilized in building materials , the reuse of FA in the polymer industry has remained a great challenge due to the difficulty in organically-modifying the smooth surfaces of FA particles. In this study, by introducing tannic acid (TA, a naturally occurring plant polyphenol), nitrile butadiene rubber (NBR)/FA/TA composites were prepared via a simple environment-friendly method. The properties of the products were thoroughly investigated and experiments showed that the TA incorporation into NBR/FA composites resulted in formation of hydrogen bonds among NBR, FA, and TA, leading to dramatic improvement in surface adhesion between NBR and FA. As a consequence, the tensile strength of the NBR/20FA/0.4 TA composite was ~110.4% larger than that of NBR/20FA composite, thus opening a new route to large-scale practical use of FA in the polymer industry.
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高影响因子
JOURNAL OF POWER SOURCES
·
2021
·
IF 9.127
Yang Lyu,Yiyang Liu,Jialin Zhang,Jujia Zhang,Zhengjian Li,Sian Chen,Jin Zhang,Haining Wang,Shanfu Lu,Yan Xiang
The redox-active mediators play pivotal roles in the reactions of the gas-liquid interface and solid-liquid interface of alkaline mediated fuel cells (MedFCs). In this study, Alizarin (Az) is selected to serve as the mediator of alkaline MedFC because of its remarkable reversibility and low permeability. The rapid charge transfer properties and decent alkali stability of Az in alkaline MedFC demonstrate a 1.06 V theoretical open-circuit voltage and a 169.55 mW cm −2 maximum peak power density at 25 °C. Density functional theory calculations and stability analysis reveal an alkali-proof trait of Az due to its uniform charge distribution . Additionally, the alkaline MedFC with 0.2 mol L −1 Az is steadily performed for over 200 h at a discharge current density of 25 mA cm −2 . The utilization of an efficient mediator into a MedFC fundamentally accomplishes the restructuring in its chemistry process.
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高影响因子
International Journal of Electrochemical Science
·
2023
·
IF 1.5
Huazhen Cao,Zhizhou Yue,Huibin Zhang,Guangya Hou,Yiping Tang,Guoqu Zheng
Electrodeposition of refractory metals is a challenging issue in the electroplating field owing to their low reduction potential. Electrodeposition of molybdenum in MoCl 5 -BMIMPF 6 by a cyclic scanning regime was introduced in this paper. Ni-Mo and Pt/Ni-Mo deposits were prepared by underpotential deposition to induce the bulk deposition of molybdenum. The coatings were observed and characterized by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS). The electrochemical behavior of metallic molybdenum in ionic liquids was studied by cyclic voltammetry and chronoamperometry. The results show that the initial nucleation/growth process of molybdenum in MoCl 5 -BMIMPF 6 follows three-dimensional progressive nucleation with diffusion-controlled growth, and the nucleation rate of molybdenum is slow in the ionic liquid system. The effects of supporting electrolytes and sputtering Pt/Ni electrodes were particularly studied. A yellow-brown uniform coating with more refined crystalline grains was obtained on the Ni surface by the addition of NaF due to its positive role in the mass transfer process and good complexing actions that promote nucleation. A gray-white coating with metallic luster was successfully fabricated on the surface of sputtered Pt/Ni because the substrate with a high work function is benign to molybdenum growth at a lower temperature and more positive potentials.
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高影响因子
危险品化学品经营许可证（带存储）