CEMENT AND CONCRETE RESEARCH
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2025
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IF 13.1
Minghui Jiang,Xiao Liu,Shiyu Li,Yurui Xu,Simai Wang,Lei Lu,Xinxin Li,Xinru Sun,Chunlei Xia,Ziming Wang,Suping Cui
The internal water migration within calcium silicate hydrate (C-S-H) in dry environments is considered to be the primary factor affecting the volume stability of cementitious materials. In this research, the in-situ polymerization product of plant polyphenol tannic acid (TA) was applied to modify C-S-H based on an organic-inorganic composite modification method. The chemical structure, microstructure, composition, dimensional changes and water migration characteristics of modified C-S-H were analyzed. Experimental results showed that TA improved the polymerization degree of siloxane chains in the C-S-H nanostructure, with a maximum improvement of 80.70%, and increased the interlayer spacing in the C-S-H structure, confirming the modification of C-S-H at the nanoscale, exhibited by 29 Si Nuclear Magnetic Resonance (NMR), X-ray diffraction (XRD) and Transmission Electron Microscopy (TEM). This modification by TA optimized the C-S-H nanostructure and microscopic pores, and increased the interlayer and gel pore water content, especially gel pore water increased by 56.53% compared to that of the unmodified C-S-H, revealed by nitrogen adsorption and 1 H LF-NMR. In the dry environment, the blocking and cladding effects of TA on C-S-H effectively inhibited the gel water loss and reduced the drying shrinkage, especially at low TA concentration. This research aims to improve the volume stability of C-S-H by in-situ polymerization product of plant polyphenol, which provides new insights into improving the volume stability of cementitious materials.
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FOOD CHEMISTRY
·
2025
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IF 9.8
Weitong Shu,Wenyi Shi,Hexiang Xie,Songyu Wang,Qin Zhang,Kefan Ouyang,Fangjie Xiao,Qiang Zhao
In this study, we investigated the non-covalent interaction mechanism between rice protein (RP) and three polyphenols with different concentrations (ferulic acid FA, gallic acid GA, and tannic acid TA) and their effects on the structure and emulsion stability of the proteins. Hydrophobic forces dominated the binding of RP to the polyphenols, and the reaction was heat-absorbing. The three polyphenols are bound to RP in the form of static quenching to form a non-covalent complex, and during the binding process, the RP provides one binding site. RP-polyphenol complexes, particularly RP-GA, enhanced ABTS scavenging and FRAP reduction. Polyphenols improved RP emulsion oxidative stability, inhibiting lipid oxidation and enhancing emulsion rheology and interfacial structure. RP-GA was most effective, maintaining low POV. These findings support the potential applications of RP-polyphenol noncovalent complexes in food processing.
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Nano-Micro Letters
·
2024
·Vol. 16
·期 1
·1-13
·
IF 31.6
Niu Zhaoqi,Qu Fengjin,Chen Fang,Ma Xiaoyan,Chen Beixi,Wang Luyao,Xu Miao,Wang Shumeng,Jin Liang,Zhang Chengshuang,Hou Xiao
The homogeneous hybridization of organic–inorganic-metal elements in 3D aerogel was achieved by an expeditious method.
The aerogel tightly integrates excellent thermal insulation (49.6 mW m −1 K −1 ), ablative resistance, mechanical strength, and superhydrophobic properties.
The ablated carbon aerogel combines notable electromagnetic interference shielding properties (31.6 dB) and load-carrying properties (272.8 kN·m kg −1 ).
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ANALYTICAL CHEMISTRY
·
2025
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IF 6.7
Huimin Li,Xinru Yuan,Mei Ren,Jiajia Liu,Yixin Zheng,Ziyi Lin,Zixin Chen,Zhao Yang,Xin Su,Heyun Shen
Apurinic/apyrimidinic endonuclease 1/redox effector factor 1 (APE1/ref-1, APE1), a vital protein for DNA repair and cellular redox regulation, is frequently overexpressed in tumor cells, underscoring the importance of developing sensitive detection methods for early cancer diagnosis. However, the rapid detection and visualization of nuclear APE1 in tumor cells are still challenging. In this study, we successfully developed a novel DNA fluorescent nanoprobe based on polyamidoamine (PAMAM) for the rapid detection of cytoplasmic and nuclear APE1. The PAMAM surface was modified with arginine (Arg), named PR, and its hydrophobic core encapsulated the 1,6,7,12-tetrachloroperylene tetracarboxylic acid dianhydride (TA) dye to construct fluorescent nanoparticles (TPR). Furthermore, an APE1-responsive dsDNA (SP) was linked on the TPR surface, containing apurinic/apyrimidinic sites (AP sites) and the black hole quencher 2 (BHQ2) and ensuring that fluorescence remains off in the absence of APE1. TPR-SP exhibited a detection range of 0.125–25 U mL–1 and a detection limit as low as 0.03 U mL–1. Compared with the Arg-free nanoprobes (TP-SP), TPR-SP significantly accelerated endocytosis and nuclear penetration, reducing the APE1 detection time to one-quarter (from 2 to 0.5 h). Notably, the APE1 signal in the whole nucleus can also be significantly detected. Thus, the TPR nanoprobe achieves the rapid enrichment and amplification of fluorescence signals, leading to highly sensitive whole cellular APE1 detection. This innovative and efficient detection method greatly expands the technological means for early cancer detection.
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JOURNAL OF MEMBRANE SCIENCE
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2018
·
IF 6.578
Huazhen Sun,Beibei Tang,Peiyi Wu
Metal-organic frameworks (MOFs) are being intensively investigated for the design of advanced composite membranes , primarily due to their favorable polymer affinity, and highly tunable porous structure and surface properties. However, the development of engineered MOF-based ultrafiltration (UF) membranes for water treatment remains in its infancy. In the present study, hydrophilic hollow zeolitic imidazolate framework-8 (hZIF-8) was meticulously synthesized via surface functionalization-assisted etching approach by using tannic acid (TA), and then incorporated into polysulfone (PSf) casting solution to fabricate novel hybrid UF membranes via phase inversion method. The resultant hZIF-8 not only possessed a highly hydrophilic surface derived from the coated TA but also yielded a unique hollow structure without destroying the intrinsic frameworks. Thanks to the well-tailored surface property and nanostructure of hZIF-8, the obtained PSf/hZIF hybrid UF membranes showed highly improved water permeation (597 L m −2 h −1 ), which was 2.8 times that of the pristine PSf membrane (210 L m −2 h −1 ), while well maintaining the rejection property. What's more, the incorporation of hZIF-8 rendered the membrane with enhanced resistance to fouling. These results indicated the great application potential of such MOF/polymer hybrid UF membranes in wastewater treatment and separation in many industrial fields.
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Nanoscale Research Letters
·
2018
·Vol. 13
·期 1
·1-7
·
IF 3.125
Hu Yiwei,Hao Qiaoyan,Zhu Baichuan,Li Biao,Gao Zhan,Wang Yan,Tang Kaibin
Tantalum disulfide nanosheets have attracted great interest due to its electronic properties and device applications. Traditional solution-ased ultrasonic process is limited by ultrasound which may cause the disintegration into submicron-sized flake. Here, an efficient multi-step intercalation and ultrasound-free process has been successfully used to exfoliate 1T-TaS 2 . The obtained TaS 2 nanosheets reveal an average thickness of 3 nm and several micrometers in size. The formation of few-layer TaS 2 nanosheets as well as monolayer TaS 2 sheets is further confirmed by atomic force microscopy images. The few-layer TaS 2 nanosheets remain the 1T structure, whereas monolayer TaS 2 sheets show lattice distortion and may adopt the 1H-like structure with trigonal prism coordination.
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MATERIALS SCIENCE FORUM
·
2018
·
IF 0
Miao Ying Jin,Shi Yan Chen,Bao Xiu Wang,Hua Ping Wang
Wound healing is accompanied by keloids, it is important to develop a wound dressing which can inhibit keloid and relieve pain and pruritus in patients. In this paper, bacterial cellulose/triamcinolone acetonide (BC/TA) composites are prepared by easy solution impregnation method, which the structures of BC/TA composites were analyzed by fourier transform infrared spectroscopy (FTIR). The drug release and inhibition of L929 cells were also analyzed. It can be concluded that BC/TA composites have a sustained release effect on TA and can effectively inhibit proliferation of L929 in the range of 0.5-2.0 mg/cm2.
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JOURNAL OF FOOD COMPOSITION AND ANALYSIS
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2025
·
IF 4.6
Yanli Wang,Jing Liang,Feiyan Yan,Huiling Li,Liping Xie,Li Tang,Dejiao Ning,Cuiwen Jiang,Tao Li,Xiaochuan Huang,Ke-Jing Huang,Yu Ya
In the present study, a novel mesoporous silica/nitrogen-doped graphene composite modified electrode (MS/NGR/GCE) is prepared using an in-situ electrochemical method. The large specific surface area, excellent loading and electron transfer capabilities of the mesoporous silica/nitrogen-doped graphene composite make the modified electrode favored for electrochemical sensing. The sensing properties of different electrodes towards tannins are investigated, and the results show that MS/NGR/GCE exhibits much better sensing performance than individual graphene or mesoporous silica modified electrodes. Under optimal conditions, the linear range of MS/NGR/GCE for determination of tannins is 0.10–5.0 μmol/L and 5.0–80 μmol/L, respectively, with a detection limit of 0.050 μmol/L (S/N = 3). These results demonstrate that this study has opened up a new pathway for constructing high-performance nanocomposite electrochemical sensors.
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ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Menghui Liu,Yang Sun,Yitong Zhou,Yanlv Chen,Chuandong He,Qing Zhao,Leye Yan,Jianan He,Jingpei Guo,Kecheng Liu,Yongchao Li,JiaYuan Lin,Weihua Liao,Hong Shan,Xin Peng
Hydrogels exhibit potential as embolic agents; however, external stimuli for gelation in vessels are difficult to operate or have poor biocompatibility, and shear-thinning hydrogels are under the risk of being washed away. Herein, a blood-triggering phase transformational hydrogel for endovascular embolization is reported. First, quaternized chitosan (QCS), tannic acid (TA) and iohexol (I) solutions are mixed to prepare a radiopaque and injectable QCS/TA/I (QTI) hydrogel. Upon contacting blood, Na + in blood can form coordination bonds with gel network to increase cross-linking densities, resulting in phase transformation from a soft and injectable hydrogel to a casted and stiffened QTI-blood hydrogel without any other operation. Moreover, the injection force and complete transformation time of the QTI hydrogels as well as the mechanical properties of their derived hydrogels are adjustable, which is helpful for customizing embolic agents according to different lesions. In animal experiments, QTI hydrogel has demonstrated its efficacy and safety in embolizing renal artery and ruptured femoral artery in rabbits, as well as the renal artery, profunda femoral artery (≈4 mm in diameter), and retia mirabilia with plexiform structure in pigs. This work not only develops a novel liquid embolic agent but also reveals a new strategy for blood-triggering phase transformation.
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Journal of Materials Chemistry B
·
2025
·
IF 5.7
Zhenyuan Wang,Tie Dong,Jin Yang,Yiyu Wang,Mi Wang,Jiaheng Zhang
Due to its rich bioactivities, tranexamic acid (TA) has garnered significant attention in the biomedical and cosmetic fields. However, TA's hydrophilic nature impedes its penetration through the skin's stratum corneum. This limitation is addressed in the current study by designing a supramolecular TA, i.e., GATA, based on the non-covalent interactions between TA and glycolic acid (GA). The structure and formation mechanism of GATA are explored using multidimensional characterization techniques, including single crystal analysis and computer-aided simulations. In vitro, the supramolecular interactions within GATA facilitate deeper TA penetration into the skin, achieving >2.5 times improved transdermal permeability than pure TA. Notably, GATA does not damage the skin barrier, with the associated irritation and cytotoxicity significantly lower than that caused by GA. Moreover, compared with TA, GATA has comparable or superior thermal stability, water solubility, anti-glycation, antioxidant, and anti-inflammatory properties. GATA also exhibits excellent skin whitening efficacy. Hence, GATA is a promising alternative to TA, with enhanced permeability, bioactivity, and biosafety, as well as considerable application prospects in transdermal delivery.
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Journal of Materials Chemistry A
·
2017
·Vol. 5
·期 43
·22618-22624
·
IF 8.867
Dong Wang,Xin Wang,Yue Lu,Changsheng Song,Jie Pan,Chilin Li,Manling Sui,Wei Zhao,Fuqiang Huang
Noble metal catalysts have extraordinary catalytic activity but suffer from high cost; therefore single atom catalysis attracts tremendous attention. Here, we propose atom-scale dispersed palladium (Pd) in a layered TaS2 lattice to form new compounds of PdxTaS2, whose crystal structure was resolved by powder X-ray diffraction. The electrical conductivity of metallic Pd0.1TaS2 (1.36 × 104 S m−1) is twice as large as that of TaS2 (6.18 × 103 S m−1). This compound applied as a new electrocatalyst for the hydrogen evolution reaction (HER) exhibits excellent catalytic performance with an onset overpotential of 77 mV, superior to those of other catalysts such as TaS2 (295 mV) and Pd-loaded TaS2 (114 mV). Density functional theory calculations reveal that the interaction of Pd-4d and Ta-5d orbitals results in the upshift of the Fermi level (TaS2versus Pd0.1TaS2) to decrease the barrier height for the HER. Furthermore, the hybridization of Pd-4d and S-3p orbitals builds up pathways along the c axis to improve the conductivity and promote HER performance. It is noted that the amount of Pd used in Pd0.1TaS2 is only 4 wt%, compared with 20 wt% in commercial Pd/C catalysts, which is beneficial for its practical application.
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Journal of Environmental Chemical Engineering
·
2025
·
IF 7.2
Hanlin Shao,Zhihao Chen,Wenzhong Yang,Xinsheng Zhu,Kegui Zhang
This work presents a novel strategy for the development of boron-selective adsorbent with synergistic adsorption effects, which is achieved by using tannic acid (TA) modified MoS 2 nanosheets to graft polyethyleneimine (PEI) onto the boron-selective resin (BSR), preparing the BSR-MoS 2 -TA/PEI composite material, and leveraging the unique interlayer structure of molybdenum disulfide (MoS 2 ) nanosheets to reduce the resistance of H 2 O transport, thereby effectively exerting the synergistic adsorption effects of BSR and PEI. The influencing factors of boron adsorption by BSR-MoS 2 -TA/PEI, such as the PEI grafting amount, adsorbent dosage, pH value, and competitive anions, were investigated. The results revealed a maximum adsorption capacity of 31.10 mg·g −1 at 35°C, which is significantly higher than that of the commercial BSR (5.9–7.2 mg·g −1 ). The fitting results of adsorption kinetics, isotherms, and thermodynamics demonstrated the characteristics of boron adsorption by BSR-MoS 2 -TA/PEI, and the adsorption process conformed to the pseudo-second-order kinetic model and the Langmuir model. Owing to the outstanding stability of the BSR substrate, BSR-MoS 2 -TA/PEI could undergo at least five cycles of adsorption. The mechanism of boron adsorption mainly encompassed complexation, electrostatic attraction, and hydrogen bond formation.
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