MICROCHEMICAL JOURNAL
·
2025
·
IF 5.1
Wei Wang,Yi Zheng,Ran Xia,uqiao Cheng,Shunan Lv,Nuo Xu,Xueyin Shi,Haiying Ji,Weiwei Li
Sepsis induces excessive inflammation and immune dysfunction via infection, often progressing to multiple organ dysfunction syndrome (MODS). Serum lactate is a key biomarker for evaluating tissue perfusion, oxygen metabolism, and prognosis in sepsis, making rapid, accurate, and portable lactate detection critical for sepsis management. To address this, we developed a portable screen-printed carbon electrode (SPCE) modified with a PB@PDA/LOX composite. PB nanoparticles enhance electrocatalysis to accelerate electron transfer and reduce oxidation overpotential, enabling the sensor to exhibit a linear response (2–1000 μmol/L, LOD = 1.195 μM) that matches lactate levels in pretreated sepsis serum; its low oxidation potential (~0.1 V vs. Ag/AgCl) also avoids interference from coexisting substances. Glutaraldehyde (via dual-terminal aldehyde bridging) immobilizes LOX, while PDA forms a stable “substrate-PB-PDA-LOX” structure-this provides a biomimetic microenvironment to prevent LOX inactivation, reduces non-specific protein adsorption, and extends detection lifetime. The mass-produced SPCE (1 cm × 2 cm, low cost) integrates with compact detectors for “drop-and-detect” functionality, with detection time < 5 min. Via multi-component synergy, this modified electrode overcomes limitations of existing sensors (stability, sensitivity, anti-interference, portability) and offers an efficient lactate detection tool for sepsis patient assessment and animal model mechanism studies.
研究领域:
生物医学工程
·
电分析化学
·
即时检测
·
生物传感器
·
重症医学
✓ 已验证
产品关联
DOI
高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2025
·
IF 9
Xiaobo Min,Han Lu,Yun Li,Changhao He,Yiwei Deng,Yunyan Wang,Cong Peng,Yong Ke,Yanfa Hu,Zhidong Xi,Liyuan Chai
Copper slag cleaning has always been critical for ensuring an efficient copper recovery in copper smelting system. However, current cleaning methods focus on copper enrichment, regardless of zinc and lead recovery. In order to address the severe resource wastage of lead‑zinc values in copper smelting slag, this study proposed an innovative copper slag cleaning technique for efficient and in-situ synergistic sulfidation recovery of Cu, Pb and Zn, and investigated the sulfidation mechanisms. A systematic characterization of copper slag was conducted and revealed that Zn 2 SiO 4 and PbSiO 3 are two of the main occurrence phases lost in slag, respectively, and they are the most difficult phases to recovery. Furthermore, thermodynamic, thermogravimetric analysis and experimental results regarding Zn 2 SiO 4 and PbSiO 3 in-situ synergistic sulfidation by CaSO 4 gypsum residue revealed that PbSiO 3 sulfidation mechanism progressed via CaSO 4 → CaS conversion, followed by diffusion of molten PbSiO 3 to CaS particle surfaces where Pb S bonding produced PbS shells. At the same time, Zn 2 SiO 4 involves calcium-promoted decomposition into ZnO and SiO 2 , and subsequent ZnO-CaS interfacial reaction producing ZnS and CaO. In addition, pilot experiments were conducted to detect the feasibility and stability of the proposed technique. Optimal conditions (12.02% sulfurizing agent dosage, 1 °C/min slow cooling) were determined and achieved comprehensive sulfidation rates of 88.55% Cu, 66.26% Pb, and 59.24% Zn, with effective enrichment as matte. Lead‑zinc sulfides attained flotation-required particle sizes (>40 μm) while residual phases showed minimal metal contents. This study addresses the challenge of lead‑zinc resource wastage in copper slag, introducing a novel approach and methodology for its resource utilization.
研究领域:
冶金工程
·
废弃物资源化
·
环境工程
·
提取冶金
·
可持续材料加工
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2025
·
IF 6.3
Jinglong Fan,Xiangyu Meng,Qinghu Guo,Zhonghua Yao,Hanxing Liu,Hua Hao
The development of piezoelectric ceramics combining high piezoelectric response with excellent temperature stability has become increasingly crucial for advanced applications. In this work, the relaxor ferroelectric Pb(In 1/2 Nb 1/2 )O 3 was incorporated into BiScO 3 -PbTiO 3 system and successfully synthesized as 0.05Pb(In 1/2 Nb 1/2 )O 3 -(0.95- x )BiScO 3 - x PbTiO 3 (PIN-BS- x PT) ceramics by the conventional solid-state reaction. Systematic characterization of phase structure, microstructure and electrical properties reveals the formation of a morphotropic phase boundary at x = 0.59, which exhibits optimal electromechanical properties with piezoelectric coefficient d 33 = 522 pC/ N, Curie temperature T C = 402 °C and planar electromechanical coupling coefficient k p = 0.56. Remarkably, the PIN-BS-0.59PT ceramic demonstrates remarkable performance stability, achieving both high strain response (0.12 % at 20 kV/cm) and minimal temperature-dependent variation (13.5 % between 30 and 200 °C). Furthermore, the PIN-BS-0.59PT ceramic retains ～90 % of its initial d 33 value after annealing at 300 °C, demonstrating exceptional thermal depolarization resistance. These findings position PIN-BS- x PT ceramics as promising candidates for high-temperature piezoelectric applications.
✓ 已验证
产品关联
DOI
高影响因子
Nature Communications
·
2025
·Vol. 16
·期 1
·1-12
·
IF 15.7
Pan Haibin,Bai Yang,Sun Kexuan,Yang Ming,Tian Ruijia,Meng Yuanyuan,Gao Jiangwei,Wang Yaohua,Wang Jingnan,Zhou Shujing,Song Zhenhua,Xiaoyi Lu,Liu Chang,Ge Ziyi
All-perovskite tandem solar cells (PTSCs) demonstrate exceptional potential to surpass the Shockley-Queisser (SQ) theoretical limit. However, practical implementation faces critical challenges due to a self-reinforcing photothermal-mechanical degradation mechanism originating from multiscale physical couplings. In this study, a multifunctional polyamine ligand triphenyltriamine thiophosphate (TPTA) was introduced into the tin-lead (Sn-Pb) perovskite solution system to establish an I-Sn-N coordination-mediated lattice stabilization framework, and the photothermal-mechanical coupling path was cut off from multiple aspects such as suppressing periodic oscillations and regulating stress. Consequently, single-junction Sn-Pb perovskite solar cells (PSCs) achieve a power conversion efficiency (PCE) of 23.4% and retaining 94.9% of initial performance after 950 hours of maximum power point (MPP) tracking. When the device is integrated into the 2-terminal (2 T) tandem architecture, its PCE reaches a significant level of 29.6 % (certified PCE of 28.9%), and 93.4% of the initial efficiency can be maintained after 900 hours continuous operation.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
·
2025
·Vol. 47
·期 7
·1-18
·
IF 3.8
Liu Haicheng,Rao Chenxuan,Xu Huixuan
This study investigated the effects of different aging treatments (UV light, potassium permanganate, and sodium hydroxide treatments) on the adsorption of lead (Pb(II)) by PET microplastics, as well as the impact of Microcystis aeruginosa on lead adsorption by PET microplastics. The results indicated that different aging treatments significantly affected the adsorption capacity of microplastics, which could be attributed to the increased functional groups and surface porosity during the aging process. Kinetic analysis revealed that the adsorption of Pb(II) follows a pseudo-second-order model, suggested that the adsorption process is mainly controlled by chemical adsorption. Intraparticle diffusion analysis further elucidated the migration mechanism of Pb(II) within the microplastics. On the other hand, the presence of Microcystis aeruginosa significantly enhanced the adsorption capacity of microplastics. As the concentration of microalgae increases, the promoting effect of microalgae on Pb(II) adsorption by microplastics gradually strengthens, with extracellular polymeric substances (EPS) secreted by microalgae playing a key role in facilitating Pb(II) adsorption. These findings suggested that microalgae could strengthen the role of microplastics as carriers of heavy metal lead and aggravate the risk of lead pollution diffusion in aquatic ecological environment.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF HAZARDOUS MATERIALS
·
2019
·
IF 7.65
Yanhong Zhang,Yuefeng Feng,Qi Xiang,Fuqiang Liu,Chen Ling,Fenghe Wang,Yan Li,Aimin Li
The development of high efficiency filter membranes, particularly those capable of removing trace heavy metals from drinking water sources, is a global challenge. In this study, a dual-functional membrane (P m G n @PVDF) was successfully developed by doping graphene oxide (GO) and then depositing polydopamine (PDA). The pure water flux (Jw) was 188 LMH/bar and Pb(II) could be effectively removed in the water volume of 2106.36 L m −2 . Both PDA and GO performed positive functions. PDA layer exhibited a high affinity toward Pb(II) by chelating with amino groups. And doping GO maintained a high pure water flux, which had been decreased by the extra PDA layer. In addition, the effective treatment volume of Pb(II) was elevated to 5029.06 L/m 2 by the co-existence of citric acid, since neutral PbHL coordinated with neutral NH 2 and cationic PbL- interacted with NH 3 + through electrostatic attraction. Furthermore, P m G n @PVDF showed the excellent anti-interference performance in high salt and nature organic matters solutions. Thus, this novel dual-functional membrane could be considered as a competitive alternative of NF/RO for the efficient and advanced removal towards heavy metals from natural water.
研究领域:
环境科学
·
材料科学
✓ 已验证
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2026
·
IF 5.4
Qilong Wu,Xin Wang,Zongyi Li,Ruofeng Yang,Yuli Fan,Jiaxuan Lyu,Jie Wang,Shaojie Wang,Yan Wei,Ziwei Liang,Weimo Han,Liqin Zhao,Di Huang
Titanium (Ti) implants face significant clinical challenges due to their biological inertness and susceptibility to peri-implant infections and oxidative stress. In this study, a multifunctional composite coating was engineered by immobilizing Prussian blue@black phosphorus (PB@BP) nanohybrids onto alkali-heat-treated titanium surfaces via a polydopamine (PDA) adhesive layer. The coating exhibited superior structural stability and improved hydrophilicity. Under 808 nm near-infrared (NIR) irradiation, it demonstrated power density-dependent photothermal antibacterial efficacy, reaching temperatures up to 59.6 °C. Specifically, the PDA/PB@BP + NIR group achieved remarkable inhibition rates of 99.76 ± 0.24 % against Escherichia coli and 99.27 ± 0.23 % against Staphylococcus aureus , effectively minimizing the risk of implant-associated infections. Furthermore, the coating promoted HUVECs migration, achieving a scratch healing rate of 70.57 % within 36 h. The PB@BP nanostructures functioned as potent nanozymes, effectively scavenging excessive reactive oxygen species (ROS) to protect cells from oxidative damage. Meanwhile, the sustained degradation of BP nanosheets provided a continuous supply of phosphate ions, which synergistically with the PDA layer, accelerated the differentiation and biomineralization of MC3T3-E1 cells. Collectively, the PDA/PB@BP composite coating orchestrates a bioactive microenvironment that integrates photothermal antibacterial, antioxidant, pro-angiogenic, and pro-osteogenic functionalities. This study provides a versatile strategy and a solid experimental foundation for the design of next-generation titanium-based implants with advanced regenerative and anti-infective capabilities.
✓ 已验证
产品关联
DOI
高影响因子
MINERALS ENGINEERING
·
2026
·
IF 5
Yunzhen Hu,Kangjing Wu,Shuai Wang,Zhanfang Cao,Xin Ma,Hong Zhong
The flotation separation of chalcopyrite and galena remains challenging due to their similar surface properties. Here, we demonstrate that H 2 O 2 pretreatment passivates Cu sites (forming Cu–O) while activating Pb sites (forming Pb–O) on mineral surfaces, which transforms sodium 2-(dithiocarboxylato)ethyl acetate (DTCA) from non-selective into a galena-selective depressant. Micro-flotation experiments indicate that with H 2 O 2 oxidation duration of 30 min, pH of 10, and DTCA dosage of 100 mg/g, galena recovery can be reduced to below 5% while maintaining chalcopyrite recovery above 90%. Following oxidation, the adsorption amount of chalcopyrite decreased from 96.54 to 7 mg/g, while that of galena increased from 101.32 to 102.45 mg/g. Multiscale characterizations (FTIR, XPS, ToF-SIMS) indicate that DTCA adsorbs onto the surfaces of chalcopyrite and galena, respectively, via chelation between S–Cu–S and S–Pb–S bonds. Density functional theory (DFT) calculations confirm that oxidation enhanced the adsorption strength of DTCA on the surface of galena, with the adsorption energy shifting from −2.571 to −2.645 eV. Conversely, adsorption strength decreased significantly after oxidation of chalcopyrite, with the adsorption energy shifting from −2.470 to −1.588 eV. Closed-circuit tests on industrial concentrates yielded copper recovery and grade reached 93.13% and 27.43%, respectively, while lead achieved 96.33% recovery and 43.21% grade, with a separation index (SI) of 2.55, surpassing that achieved by the toxic potassium dichromate(K 2 Cr 2 O 7 ) method. This study proposes a Cr (VI)-free flotation strategy for efficient Cu–Pb separation, offering a promising alternative to conventional environmentally hazardous methods.
✓ 已验证
产品关联
DOI
高影响因子
JAPANESE JOURNAL OF APPLIED PHYSICS
·
2013
·
IF 1.067
Dali Wang,Zhaohua Jiang,Bin Yang,Shantao Zhang,Mingfu Zhang,Feifei Guo,Wenwu Cao
A novel xPb(Ni1/3Nb2/3)O3–(1-x)(0.30BiScO3–0.70PbTiO3) (PNN–BS–PT) ternary system was prepared by the columbite precursor method. The phase structure, microstructure, and electrical properties of ceramics of this system were investigated to identify the morphotropic phase boundary (MPB) composition of this system. The MPB with coexisting rhombohedral–tetragonal phases of PNN–BS–PT was located at approximately x=0.35, confirmed by their respective electric properties. With increasing PNN content, the coercive field EC, the Curie temperature TC, and the rhombohedral-to-tetragonal phase transition temperature TR–T were found to decrease and showed nearly linear dependences on their compositions. The enhanced properties were achieved in the MPB composition with x=0.35, which are as follows: dielectric constant εr=3160 (1 kHz), piezoelectric coefficient d33=490 pC/N, and electromechanical coupling factor kp=0.44. In addition, a large bipolar strain on the order of 0.6% was achieved for the composition when an electrical field E=40 kV/cm was applied.
研究领域:
材料科学
·
物理学
✓ 已验证
DOI
高影响因子
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
·
2020
·Vol. 2020
·期 42
·4007-4014
·
IF 2.529
Lu Qi,Zhaohui Chen,Lu Li,Qun Jing,Na Li,Zhongqi Jiang,Xiaoyu Dong,Ming-Hsien Lee
Two homologous new mixed-metal phosphates K 2 PbBi 2 (PO 4 ) 2 (P 2 O 7 ) ( I ) and Rb 2 CdBi 2 (PO 4 ) 2 (P 2 O 7 ) ( II ) were successfully synthesized in A 2 BBi 2 (PO 4 ) 2 (P 2 O 7 ) (A = K, Rb, B = Pb, Cd) system through the traditional high-temperature solid-phase method. The single crystal structures of the two compounds are shown to be the unique three-dimensional (3D) framework composed of different types of layers, but not isomorphic. We compared series compounds A 2 PbBi 2 (PO 4 ) 2 (P 2 O 7 ) (A = K, Rb, Cs), which are isomorphic and crystallize in the same space group Pnma . It is noteworthy that they are distinct different in degree of structural disorder, which is tuned by A-site cations. The effect of A-site cations is recognized by analyzing the disorder degree in three related structures and other available 182 mixed-metal phosphates. To the best of our knowledge, such structural analysis is rarely reported in inorganic phosphates and the cation modulation strategy can be used to guide structural disorder according to the difference-value (D-value) of cation radii. Furthermore, the syntheses, thermal analysis, relevant spectroscopic measurements and theoretical calculations for I and II compounds were also discussed. Graphical Two new mixed-metal phosphates K 2 PbBi 2 (PO 4 ) 2 (P 2 O 7 ) and Rb 2 CdBi 2 (PO 4 ) 2 (P 2 O 7 ) were firstly reported and the cation size effect has substantial influence on the crystal structural disorder combining with the title compounds and 182 phosphates.
研究领域:
无机化学
·
材料科学
·
晶体学
·
固态化学
✓ 已验证
DOI
高影响因子
Journal of Materials Chemistry C
·
2026
·
IF 5.1
Jiacheng Cao,Min Zhu,Xuefeng Lu,Xiaonan Chen
Oxide thermoelectric materials demonstrate superior structural stability and environmental compatibility; however, their practical applications are limited by relatively low figure-of-merit (ZT) values. This study overcomes this limitation in strontium barium niobate (SBN) through entropy-mediated Pb doping, achieving a record ZT of 0.42 at 1073 K – the highest reported for SBN-based ceramics. By designing a medium-entropy (ΔS = 1.30R) (Sr0.5Ba0.3La0.2)1−xPbxNb2O6−δ system, electron–phonon transport properties are effectively optimized. Pb doping enhances carrier concentration while maintaining a high Seebeck coefficient, attributed to the contribution of Pb orbitals. Simultaneously, lattice thermal conductivity (κlat) is reduced through dislocation engineering and induced strain fields, as verified by geometric phase analysis. The performance improvement is further supported by local distortions of NbO6 octahedra, as well as the formation of lead and oxygen vacancies. This work not only demonstrates the potential of SBN as a promising oxide thermoelectric material but also presents a broadly applicable doping strategy for developing high-performance oxide energy conversion materials.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2024
·
IF 9.4
Xiaoying Zhao,Ningbo Liu,Chaonan Mu,Bin Qin,Liubin Wang
Alloying-type anode materials are considered promising candidates for sodium-ion batteries (SIBs) due to their high theoretical capacities. However, their application is limited by the severe capacity decay stemming from dramatic volume changes during Na + insertion/extraction processes. Here, Pb nanospheres encapsulated in a carbon skeleton (Pb@C) were successfully synthesized via a facile metal–organic frameworks (MOFs)-derived method and used as anodes for SIBs. The nanosized Pb particles are uniformly incorporated into the porous carbon framework, effectively mitigating volume changes and enhancing Na + ion transport during discharging/charging. Benefiting from this unique architecture, a reversible capacity of 334.2 mAh g −1 at 2 A g −1 is achieved after 6000 cycles corresponding to an impressive 88.2 % capacity retention and a minimal capacity loss of 0.00748 % per cycle. Furthermore, a high-performance full sodium-ion battery of Pb@C//NVPF was constructed, demonstrating a high energy density of 291 Wh kg −1 and power density of 175 W kg −1 . This facile MOFs-derived method offers insights into the design of high-capacity alloy-type anode materials using Pb sources, opening up new possibilities for innovative approaches to Pb recycling and pollution prevention.
研究领域:
材料科学
·
能源存储与转换
✓ 已验证
DOI
高影响因子
危险品化学品经营许可证（带存储）