JOURNAL OF MATERIALS SCIENCE
·
2018
·Vol. 53
·期 15
·10784-10797
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IF 2.993
Bo Caiying,Hu Lihong,Chen Yong,Yang Xiaohui,Zhang Meng,Zhou Yonghong
A novel phosphorus-containing cardanol (PCC) derived from cardanol—a renewable meta -substituted phenol and harmful by-product of the cashew industry—in combination with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) was used to produce bio-based phenolic foams (PFs). The properties of the PFs were then characterized in detail. The PCC was fully characterized by using Fourier transform infrared spectroscopy (FTIR) and proton nuclear magnetic resonance ( 1 H NMR), while the thermal degradation was studied and monitored by thermogravimetry coupled to FTIR (TGA/FTIR) and TGA coupled with mass spectrometry (TGA/MS). It was found that PCC exhibited high thermal stability. The total heat release, peak heat release rate and mean heat release rate of PF containing 4% PCC decreased by 13.55, 33.43 and 13.42%, respectively, in comparison with pristine PF. The enhanced flame-retardant behavior was attributed to the free radicals PO· produced during combustion, which captured free radicals in the gas phase; moreover, the phosphaphenanthrene group may create a char residue barrier against the further combustion of the polymer. Meanwhile, bio-based PFs showed excellent mechanical properties, as the compressive and flexural strength of PF with 4% PCC increased by 79.59 and 20.98%, respectively, in comparison with pristine PF. The pulverization ratio of bio-based PFs was reduced with the increase in PCC content. The findings in this study demonstrate that PCC could be used as a phenol substitute in the synthesis of PFs to overcome their intrinsic brittleness and high flammability.
研究领域:
材料科学
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化学工程
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可持续化学
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高分子科学
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DOI
高影响因子
ACS Nano
·
2025
·
IF 16
Ziao Zhou,Peng Zhang,Dinghao Chen,Nan Kong,Huayang Liu,Juan Liang,Kai Huang,Huaimin Wang
Osteomyelitis poses substantial therapeutic challenges due to the prevalence of multidrug-resistant bacterial infections and associated inflammation. Current treatment regimens often rely on a combination of corticosteroids and antibiotics, which can lead to complications and impede effective bacterial clearance. In this study, we present CADP-10, a Cecropin A-derived peptide, designed to target methicillin-resistant Staphylococcus aureus (MRSA) and multidrug-resistant Escherichia coli (MRE), while simultaneously addressing inflammatory responses. CADP-10 self-assembles into nanobacterial net (NBacN) that selectively identify and bind to bacterial endotoxins (LPS and LTA), disrupting membrane integrity and depolarizing membrane potential, which culminates in bacterial death. Importantly, these NBacN are bound to LPS and LTA from dead bacteria, preventing their engagement with TLR receptors and effectively blocking downstream inflammatory pathways. Our assessments of CADP-10 demonstrate good biosafety in both in vitro and in vivo models. Notably, in a rabbit osteomyelitis model, CADP-10 eliminated MRSA-induced bone infections, mitigated inflammation, and promoted bone tissue regeneration. This research highlights the potential of CADP-10 as a multifunctional antimicrobial agent for the management of infectious inflammatory diseases.
研究领域:
微生物学
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感染病学
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药理学
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产品关联
DOI
PubMed
高影响因子
NEW JOURNAL OF CHEMISTRY
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2026
·
IF 2.5
Haozhen Liu,Shiyu Du,Paipai Zhang,Jiawei Zhao,Yanna Chen,Donghai An
A high-performance ultraviolet (UV) nonlinear optical (NLO) material requires three essential characteristics: a short UV absorption edge, a strong secondharmonic generation (SHG) response, and favorable NLO coefficients. In this study, a novel rare-earth borate compound with the formula K 7 MgY 2 (B 5 O 10 ) 3 was successfully synthesized using a high-temperature solution method combined with chemical cosubstitution. The crystal adopts a non-centrosymmetric (NCS) structure (space group R32) and exhibits an SHG intensity 1.3 times that of potassium dihydrogen phosphate (KDP) under 1064 nm laser irradiation. Its UV cutoff edge is determined to be 290 nm, demonstrating exceptional potential for UV optical applications. Combined experimental and theoretical analyses reveal that the synergistic interplay between polarizable [B 5 O 10 ] groups and heterovalent K + /Mg 2+ /Y 3+ substitution underpins its superior NLO performance.
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高影响因子
Journal of Materials Chemistry A
·
2019
·Vol. 8
·期 1
·69-76
·
IF 10.733
Xueshi Jiang,Lulu Sun,Wen Wang,Fei Qin,Cong Xie,Lin Hu,Yinhua Zhou
In this study, we report 10 cm2 nonfullerene solar cells with power conversion efficiency of 10.24%. The demonstration of the large-area cells is based on the HxMoO3-assisted growth of two silver electrodes, namely, the ultrathin-transparent electrode (on the top) and opaque electrode (at the bottom). The device structure has the configuration glass/HxMoO3/opaque Ag (70 nm)/active layer/HxMoO3/ultrathin Ag (8 nm)/MoO3. The chemically reactive HxMoO3 could react with silver oxide during the growth of the initial few nanometers of silver, as inferred from X-ray spectroscopy measurements. The reaction increases the nucleus sites that assist the continuous and uniform growth of the silver films. The percolation threshold thickness of conductive ultrathin Ag films on HxMoO3 can be as low as 4 nm. The root-mean-square surface roughness of opaque silver (70 nm) grown on the HxMoO3 surface is as low as 1.06 nm. HxMoO3 facilitates the growth of uniform, continuous and smooth silver films that enable the efficient large-area nonfullerene organic solar cells.
研究领域:
材料科学
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光电化学
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DOI
高影响因子
JOURNAL OF CHROMATOGRAPHIC SCIENCE
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2017
·Vol. 55
·期 10
·1021-1025
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IF 0.984
Chen Dong-yang,Zhang Hao,Feng Jia-li,Zeng Dong,Ding Li,Liu Xian-jun,Li Bang-rui
An efficient method was developed for the simultaneous determination of 10 industrial dyes (basic orange 2, basic orange 21, basic orange 22, acid orange II, auramine, basic rhodamine B and Sudan I–IV) in the foodstuffs using high-performance liquid chromatography coupled with diode array detector. Samples were extracted with acetonitrile and cleaned up on a solid phase extraction cartridge using HLB. The chromatographic separation was achieved on a C18 column using a mobile phase consisting of methanol and 10 mmol/L ammonium acetate with 0.1% formic acid by gradient elution. Good linearity (r ≥ 0.9993) was observed between 0.050 and 5.0 μg/mL. The limits of detection were in the range of 0.007–0.01 mg/kg, high recoveries (80.6–104%) and good reproducibility (1.1–5.7%) were obtained. Such method is simple, feasible and accurate, which can be applied to the quantification of 10 dyes in food samples.
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DOI
高影响因子
CATALYSIS TODAY
·
2024
·
IF 5.2
Xing Zhang,Guangyi Li,Hailu Yu,Lianqi Xing,Aiqin Wang,Wei Wang,Zhitong Zhao,Ning Li
In recent years, numerous methods have been reported for the preparation of bio-jet fuel. However, the cost remained the most vital determinant for the practical application of these methods. In 2019, our research team reported a synthetic process for bio-JP-10 fuel. It was suggested the production cost of bio-JP-10 fuel can be greatly reduced to $2547/ton that is significantly lower than the market price (∼7091 US$/ton) of fossil energy-based JP-10 fuel. However, energy consumption constituted as much as 42 % of the bio-JP-10 fuel production cost. In the present work, the initial 1,3-cyclopentanediol concentration in the dehydration step of the original route was amplified by six-fold by the optimization of solvent. Upon further optimization of reaction conditions, higher than 80 % cyclopentadiene carbon yields were achieved. Furthermore, a tandem reaction process involving the dehydration, Diels-Alder reaction and hydrogenation steps was developed, eliminating the need to separate the products. Both innovations considerably enhanced the production efficiency of bio-JP-10 fuel. Following the process simulation and energy balance of Aspen Plus 11, the energy consumption cost of bio-JP-10 fuel can be reduced by 67 %.
研究领域:
生物化学
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能源科学
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产品关联
DOI
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2018
·
IF 13.325
Lu Zhuang,Liu Limeng
TaC ceramics were prepared by hot pressing at 1900 °C for 30 min under 30 MPa mechanical pressure. The effect of adding 1–10 mol% LaB 6 as a sintering aid on densification, the phase composition, microstructure and mechanical properties of the consolidated materials were investigated. TaC and LaB 6 reacted to form the solid solution. The grain average size decreased from 10 μm at 1 mol% LaB 6 addition to 4 μm at 10 mol% LaB 6 addition. The 5 mol% LaB 6 composition had good flexural strength of 312 MPa. Keywords Ultra high-temperature ceramic Tantalum carbide Hot pressing
研究领域:
材料科学
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高温陶瓷研究
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DOI
高影响因子
Crystals
·
2019
·Vol. 9
·期 10
·512
·
IF 2.061
Xiuhua Liu,Tonghua Zhu,Qingyuan Hu,Lan Dong,Zhaoyi Tan
9,10-diphenylanthracene (DPA) single crystal is a promising scintillator material for fast-neutron detection. Two centimetre-sized polymorph crystals of DPA were grown by melting and solution methods (DPA-Melt and DPA-Solution, respectively), and characterised by single-crystal X-ray diffraction, Raman spectroscopy, Fourier-transform infrared spectroscopy, fluorescence spectroscopy, UV-Vis absorbance spectroscopy, and thermogravimetric/differential scanning calorimetry. The DPA-Melt crystal possessed a P21/n structure, with excitation bands at approximately 331, 348, 367, and 387 nm, and the strongest emission wavelength at approximately 454 nm. On the other hand, the DPA-Solution crystal possessed a C2/c structure, with excitation bands at approximately 335, 353, 372, and 396 nm, and the strongest emission wavelength at approximately 468 nm. The two kinds of DPA crystals have the same molecular formula but different crystal structures, crystal lattice constants, and cell parameters. The theoretical density of the DPA-Solution crystal was 1.239 g/cm3, while that of the DPA-Melt crystal was 1.211 g/cm3. The two types of crystals exhibited the same melting point, but the thermal stability of the DPA-Solution crystal is better than that of the DPA-Melt crystal.Keywords:diphenylanthracene;polymorph;crystal structure;scintillator;neutron detection
研究领域:
材料科学
·
物理学
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产品关联
DOI
高影响因子
TALANTA
·
2022
·
IF 6.556
Xin Gao,Haoran Xu,Zhuoyi Ye,Xin Chen,Xin Wang,Qi Chang,Yueqing Gu
The 5-year survival rate for pancreatic adenocarcinoma (PA) is less than 10%, making it one of the most lethal forms of cancer. Early-stage diagnosis and resection of the incipient lesions could increase the 4-year survival rate of PA up to 78%. Platelet-derived growth factor receptor β (PDGFRβ), an oncogenic key regulator for migration, proliferation and angiogenesis of cancer cells, has been proved to be aberrantly expressed in the majority of PA. Herein, by amino acid substitution strategy and surface plasmon resonance (SPR) analysis, we designed a novel PDGFRβ-targeting peptide (YQGX-10) with high affinity ( K d = 227.7 nM) and coupled it with a near-infrared fluorescent (NIRF) dye MPA for precisely detection of PA. Great binding affinity and specificity were displayed in a series of in vitro assays. NIRF imaging experiments demonstrated that the synthesized probe could be highly accumulated in xenograft and orthotopic BxPC-3 tumors and provide favorable tumor contrast in the mice, offering a potential novel approach for the early diagnosis of PA. Moreover, YQGX-10 could visualize tumor boundaries and minor lesions in BxPC-3 xenograft mice, shedding a new light on NIRF-guided tumor resection of PA. In addition, we successfully constructed the radioactive probe 99m Tc-HYNIC-YQGX-10 for the diagnosis of PA with high specificity and sensitivity. In summary, the probe warrants further exploration for clinical translation in the early diagnosis and NIRF-guided surgery of PA.
研究领域:
肿瘤学
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分子影像学
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生物医学工程
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产品关联
DOI
PubMed
高影响因子
INDUSTRIAL LUBRICATION AND TRIBOLOGY
·
2023
·Vol. 75
·期 3
·282-291
·
IF 1.6
Qin Tan,Yali Zhang,Xinle Li,Jian Pu,Shu Yang,Zhongmin Jin
PurposeThis study aims to systematically investigate the tribological behaviors of metal and polyethylene using lubricants composed of four synovial fluid (SF) components. In addition, the changes in protein conformation during wear were analyzed to establish the correlation between protein conformation and tribological properties.Design/methodology/approachA pin-on-disk tester with multidirectional sliding motion was used for tribological properties observation between metal and polyethylene pairs. Simulated SFs with four main constituents were used as the testing lubricants. Differential scanning calorimetry and Raman were used to characterize the changes in protein conformation during wear.FindingsThe coupling of lipids and hyaluronic acid further suppressed protein denaturation. The protein structures of the adsorption film and the ensnared protein chains in the friction zone were maintained to a certain extent, thus improving the friction and wear of polyethylene.Originality/valueThese findings established the correlation between protein conformation and friction and wear, promoting the understanding of the lubrication mechanism of artificial joints.
研究领域:
生物医学工程
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表面工程
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材料科学
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关节置换术
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生物摩擦学
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DOI
高影响因子
INDUSTRIAL LUBRICATION AND TRIBOLOGY
·
2022
·Vol. 74
·期 5
·531-541
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IF 1.442
Hongxia Ma,Wei Wu,Heng Zhang,Zeyun Wang
Purpose This paper aims to propose a new strategy to functionalize zeolitic imidazolate frameworks (ZIF-8) to improve its dispersion stability and tribological properties in lubricating oil. Design/methodology/approach Dialkyl dithiophosphate polydopamine ZIF-8 (DDP@PDA@ZIF-8) was prepared via mussel-inspired chemistry and the Michael addition reaction. The tribological properties of DDP@PDA@ZIF-8 as an additive in the white oil were evaluated with four-ball friction and wear tester at different temperatures. The worn surface was analyzed using X-ray photoelectron spectrum (XPS). Findings The as-prepared DDP@PDA@ZIF-8 shows high dispersion stability in the white oil. Tribological results confirmed that the DDP@PDA@ZIF-8 exhibited a small wear scar diameter at 25°C. However, excellent friction reduction and anti-wear properties were observed at 75°C. The XPS result indicates that a series of tribochemical reactions occurred on the worn surface, forming the complex protective film. Originality/value This paper provides a study of highly dispersed ZIF-8 as lubrication additives.
研究领域:
材料科学
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化学工程
·
机械工程
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纳米技术
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DOI
高影响因子
INDUSTRIAL LUBRICATION AND TRIBOLOGY
·
2024
·Vol. 76
·期 4
·486-499
·
IF 1.5
Ziyan Lu,Feng Qiu,Hui Song,Xianguo Hu
PurposeThis paper aims to solve the problems molybdenum disulfide (MoS2) nanosheets suffer from inadequate dispersion stability and form a weak lubricating film on the friction surface, which severely limits their application as lubricant additives.Design/methodology/approachMoS2/C60nanocomposites were prepared by synthesizing molybdenum disulfide (MoS2) nanosheets on the surface of hydrochloric acid-activated fullerenes (C60) by in situ hydrothermal method. The composition, structure and morphology of MoS2/C60nanocomposites were characterized. Through the high-frequency reciprocating tribology test, its potential as a lubricant additive was evaluated.FindingsMoS2/C60nanocomposites that were prepared showed good dispersion in dioctyl sebacate (DOS). When 0.5 Wt.% MoS2/C60was added, the friction reduction performance and wear resistance improved by 54.5% and 62.7%, respectively.Originality/valueMoS2/C60composite nanoparticles were prepared byin-situformation of MoS2nanosheets on the surface of C60activated by HCl through hydrothermal method and were used as potential lubricating oil additives.Peer reviewThe peer review history for this article is available at:https://publons.com/publon/10.1108/ILT-10-2023-0321/
研究领域:
材料科学
·
摩擦学
·
纳米技术
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产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）