Article
Materials Science, Composites
Afrooz Molaei, Ali Jannesari
Summary: This study investigated the synergistic effects of hybrid GnP/MWCNT nanofillers at various loadings on the curing kinetics of the EP/VE IPN system. The results revealed a complex curing behavior involving three stages and showed that the addition of nanoparticles significantly decreased the activation energy values of the ring opening reaction and esterification reaction.
POLYMER COMPOSITES
(2023)
Article
Biochemistry & Molecular Biology
Mahshid Hafezi, Saied Nouri Khorasani, Shahla Khalili, Rasoul Esmaeely Neisiany
Summary: In this study, a self-healing interpenetrating network (IPN) hydrogel made of GelMA/Algin/NC with balanced mechanical properties and biocompatibility was developed for joint regeneration. The synthesized nanocomposite IPN showed highly porous structures with dissimilar pore sizes. The incorporation of NC improved the porosity and mechanical strength of the hydrogel, while maintaining biocompatibility and reducing degradation, making it promising for cartilage tissue engineering.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Materials Science, Multidisciplinary
Shuaiwei Yuan, Tianwen Dai, Xinyue Jiang, Huawei Zou, Pengbo Liu
Summary: By constructing a semi-IPN structure, a transparent hydrogel with EMI shielding performance and good mechanical properties was fabricated. The addition of lithium chloride improved the dehydration resistance and flexibility of the hydrogel, and it also exhibited attractive electrical conductivity.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Polymer Science
Xuelian Wu, Jiaxing Zou, Jian Yang, Jiang Jiang, Qin Feng, Zihao Ye, Weimin Huang
Summary: Electrically conductive IPN composed of PVC and PANI is achieved with slightly different mechanical and shape memory properties compared to PVC alone. Non-uniform distribution of PANI in the thickness direction is observed. Heating and programming lead to a reduction in electrical conductivity, with further decrease during shape recovery.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Electrochemistry
Bhuvanenthiran Mutharani, Palraj Ranganathan, Shen-Ming Chen, Hsieh-Chih Tsai
Summary: In this study, a thermosensitive conductive polypyrrole microgel PVCL/PPY semi-IPN MGs was synthesized for switchable electrochemical sensing of the carcinogenic nitrogen mustard drug chlorambucil. The temperature stimulus-response of PVCL enables reversible on-off switching for the electrochemical oxidation of chlorambucil. The proposed sensor exhibits a wide dynamic range, excellent sensitivity, low detection limit, and excellent selectivity for chlorambucil detection in human blood serum and urine samples.
ELECTROCHIMICA ACTA
(2021)
Article
Chemistry, Physical
Andrey A. Rudov, Ivan V. Portnov, Alisa R. Bogdanova, Igor I. Potemkin
Summary: Recently, the ability to synthesize hollow polyelectrolyte nano- and microgels has opened up new possibilities for controlled release of guest molecules. However, the molecular understanding of the role of network topology, cross-link distribution, and electrostatic interactions in the response of hollow microgels to stimuli is still limited. To address this, molecular dynamics simulations were used to study the structural properties of hollow microgels under different conditions.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Elena Yu Kozhunova, Vladimir Yu Rudyak, Xiang Li, Mitsuhiro Shibayama, Georgy S. Peters, Oxana V. Vyshivannaya, Irina R. Nasimova, Alexander Chertovich
Summary: Polymer stimuli-responsive microgels are used in various applications, with interpenetrating network (IPN) microgels showing non-uniform inner architecture and microphase separation in selective solvent conditions. This study utilized static light scattering (SLS) and small-angle X-ray scattering (SAXS) techniques to investigate the structure factors of poly(N-isopropylacrylamide)-polyacrylic acid IPN microgels, revealing microphase separation and proposing a microstructured sphere model for interpretation. Additional analysis and verification were done through coarse-grained molecular dynamics computer simulations.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Polymer Science
Koichiro Uto, Yoshitaka Matsushita, Mitsuhiro Ebara
Summary: This study designed multiphasic semi-interpenetrating polymer networks (IPNs) with linear poly(epsilon-caprolactone) (PCL) chains that are interpenetrated into the crosslinked PCL network and not involved in crosslinking. The effects of molecular weight and content of linear PCL chains on crystallization and melting were investigated. The results showed that linear PCLs with high molecular weight (M-n = 80k) and content (>23 wt%) formed distinctly separated crystalline phases and underwent two-phase melting and crystallization. These multiphase PCL semi-IPNs demonstrated triple- and two-way shape memory effects, offering new avenues for the synthesis and design of multiphase polymer networks composed of homologous polymers.
Article
Chemistry, Physical
Jia Hui Chen, Wei Ting Gao, Yvonne Shuen Lann Choo, Xue Lang Gao, Ying Jie Liu, Xi Bin Yue, Xi Hao Wang, Ai Mei Zhu, Qiu Gen Zhang, Qing Lin Liu
Summary: A series of anion exchange membranes (AEMs) with semi-interpenetrating polymer network (sIPN) incorporating crosslinked poly(biphenyl N-methylpiperidine) (PBP) and spirobisindane-based intrinsically microporous poly(ether ketone) (PEK-SBI) have been prepared to achieve high ionic conductivity and improved chemical stability. The AEMs exhibit phase separated structures, promoting the hydroxide ion conductivity. Among them, the sIPN-90/10(PEK-SBI) AEM shows the highest hydroxide ion conductivity of 122.4 mS cm-1 and good alkaline stability. Moreover, it can achieve a peak power density of 481 mW cm-2 in a hydrogen/oxygen single cell.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Biochemistry & Molecular Biology
Lanlan Wang, Jinhua Dong, Ziqiang Zhao, Dawei Li, Wenhao Dong, Yingke Lu, Bingqi Jin, Haoxuan Li, Qingsheng Liu, Bingyao Deng
Summary: Antibiotic abuse has become a burden on patients and healthcare systems, leading to a need for non-antibiotic wound dressings. However, hydrogel wound dressings with good recoverability, toughness, and excellent antibacterial properties still face obstacles. In this study, a series of semi-interpenetrating network (semi-IPN) hydrogels were developed using quaternized chitosan (QCS) and polyacrylamide (PAM) through a one-pot method, which showed exceptional mechanical performance and remarkable antibacterial activity. The integration of quercetin (QT) further enhanced the antibacterial properties against S. aureus and E. coli. These high-elastic hydrogels have potential applications in wound dressing, tissue repair, chronic wound care, and other biomedical fields.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Materials Science, Multidisciplinary
Jiao Yan, Yuanmeng Xia, Jingjuan Lai, Chunxia Zhao, Dong Xiang, Hui Li, Yuanpeng Wu, Zhenyu Li, Hongwei Zhou
Summary: A wearable and strain/thermal dual sensor based on a nanocomposite hydrogel is developed, which exhibits excellent stability and repeatability in both strain and temperature sensing. This sensor holds great potential in various applications such as soft robots, artificial skin, and health monitoring.
MACROMOLECULAR MATERIALS AND ENGINEERING
(2022)
Article
Biochemistry & Molecular Biology
Chongyang Zhu, Ning Tang, Jing Gan, Xiaojun Zhang, Yang Li, Xin Jia, Yongqiang Cheng
Summary: A novel pH-sensitive semi-interpenetrating polymer network (semi-IPN) hydrogel was successfully synthesized using konjac glucomannan (KGM) and poly (gamma-glutamic acid) (gamma-PGA) with sodium trimetaphosphate (STMP) as the crosslinking agent. The structure and properties of the hydrogel were characterized through various methods, revealing that the content of cross-linker and gamma-PGA significantly influenced the structure and swelling behavior of the hydrogel, with potential for drug delivery in the intestine.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Materials Science, Multidisciplinary
Kseniia N. Bardakova, Bato Ch. Kholkhoev, Ivan A. Farion, Evgenii O. Epifanov, Olga S. Korkunova, Yuri M. Efremov, Nikita V. Minaev, Anna B. Solovieva, Peter S. Timashev, Vitaliy F. Burdukovskii
Summary: This study introduces new photosensitive compositions based on aromatic heterochain polymers for DLP printing, with thermal post-curing and supercritical carbon dioxide post-processing to enhance mechanical properties and thermal stability. The research shows that thermal post-treatment significantly increases the tensile strength of the materials, leading to a potential use in aerospace, robotics, and sensorics.
ADVANCED MATERIALS TECHNOLOGIES
(2022)
Article
Multidisciplinary Sciences
Murtuza Ali Syed, Zahra Sulaiman Al-Shukaili, Feroz Shaik, Nayeemuddin Mohammed
Summary: Spirulina Platensis reinforced semi-interpenetrating polymer networks were developed using unsaturated polyester and polyurethane, with varying concentrations of SP in the matrix. Characterization of the polymer matrix was carried out using FTIR spectroscopy, SEM, and TGA, showing changes in urethane linkages, thermal stability, swelling behavior, and water absorption with increasing SP content. The biocomposites exhibited good chemical resistance.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2022)
Article
Chemistry, Physical
Rayan Chatterjee, Santidan Biswas, Victor V. Yashin, Michael Aizenberg, Joanna Aizenberg, Anna C. Balazs
Summary: Interpenetrating and random copolymer networks are important for various industrial applications. A theoretical model has been developed for the controlled growth of these networks, allowing for customization of their swelling and elastic properties through adjustments in monomer and crosslinker concentrations or chemical choices. This process can produce gels with a range of mechanical properties to meet the materials requirements of different applications.
Article
Chemistry, Physical
Panpan Zhang, Xu Wang, Yangyang Yang, Haifeng Yang, Chunsheng Lu, Mingru Su, Yu Zhou, Aichun Dou, Xiaowei Li, Xiaochuan Hou, Yunjian Liu
Summary: In this study, the influence of transition metal doping on the electronic and mechanical properties and electrochemical performance of 2HMoS2/NC was investigated using Cobalt (Co) as an example. Co doping was found to effectively improve the electronic conductivity and active site areas of 2H-MoS2/NC at different positions, optimizing the adsorption and diffusion capability of potassium ions. Furthermore, the study revealed the optimal roles of different types of nitrogen atoms in kinetic adsorption, diffusion, and interfacial stability of potassium ions. These findings provide guidance for the experimental design of high rate 2H-MoS2/NC electrode materials and the optimal design of other functional composite materials.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zeeshan Ajmal, Mahmood Ul Haq, Shahid Zaman, M. K. Al-Muhanna, Anuj Kumar, Mohammed M. Fadhali, Siwar Ben Hadj Hassine, Muhammas Qasim, K. F. Alshammari, Ghulam Abbas Ashraf, Abdul Qadeer, Adil Murtaza, Sulaiman Al-Sulaimi, Huaqiang Zeng
Summary: This study presents a novel heterojunction structure (SrTiO3/CN-TAL10.0) for enhanced photocatalytic water splitting (PWS). The incorporation of thiophenedicarboxaldehyde (TAL) through copolymerization significantly improves the photocatalytic activity of carbon nitride (CN) while maintaining its photostability performance. The optimized composition allows efficient isolation of photoinduced charge carriers and enhanced charge transport, resulting in a remarkable increase in overall photocatalytic efficiency.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Angela Arnosa-Prieto, Patricia Diaz-Rodriguez, Manuel A. Gonzalez-Gomez, Pelayo Garcia-Acevedo, Lisandra de Castro-Alves, Yolanda Pineiro, Jose Rivas
Summary: Macrophages can exhibit different phenotypes depending on the microenvironment and the characteristics of magnetic iron oxide nanoparticles (MNPs). This study demonstrates that the concentration and morphology of MNPs can influence the polarization of macrophages. The findings have implications for therapeutics targeting tissue regeneration and tumor progression.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yu Fang, Cheng-Ye Zhu, Hao-Cheng Yang, Chao Zhang, Zhi-Kang Xu
Summary: This study demonstrates the advantages of vacuum-assisted interfacial polymerization (VAIP) in fabricating polyimide nanofiltration membranes. By using vacuum filtration, aqueous solutions of PIP can be evenly distributed on different microfiltration substrates, leading to the fabrication of uniform and ultra-thin polyamide layers with excellent performance. The membranes exhibit high rejection rates and water permeance, as well as satisfactory long-term stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Isaac J. Gresham, Edwin C. Johnson, Hayden Robertson, Joshua D. Willott, Grant B. Webber, Erica J. Wanless, Andrew R. J. Nelson, Stuart W. Prescott
Summary: Understanding the interactions between polymers and surfactants is crucial for optimizing commercial systems. This study tested the behavior of polymer-surfactant systems, revealing that they do not behave like polyelectrolytes in the presence of salt. Additionally, the structure of polymer-surfactant complexes under confinement differs from that of polyelectrolytes.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yunxiao Xie, Cui Liu, Jie Zhang, Yan Li, Bin Li, Shilin Liu
Summary: This study aimed to improve the microstructure and rheological properties of W/W Pickering emulsions by crosslinking sodium alginate at the water-water interface, thereby enhancing the activity of encapsulated probiotics in simulated gastrointestinal digestion.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Sang Ho Lee, Yige Sun, Patrick S. Grant
Summary: This research developed an effective approach to enhance the charging rates of lithium ion batteries (LIBs) by strategically incorporating carbon nanotube (CNT) conductivity boosters into Li4Ti5O12 (LTO) electrodes. Multi-layer architectures comprising CNT-rich and CNT-free LTO electrode layers were manufactured using a layer-by-layer spray coating method to promote charge transfer kinetics of high mass loading electrodes. The best performing multi-layer was paired with a spray-coated LiFePO4 (LFP) positive electrode, resulting in attractive power performance that outperformed conventional LTO || LFP combinations.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jingwei Liang, Shaobin Li, Fengbo Li, Li Zhang, Yufeng Jiang, Huiyuan Ma, Kun Cheng, Liang Qing
Summary: A molybdenum-regulated self-supporting electrode material with rich vacancy defects has been successfully synthesized and shows exceptional catalytic activities and stability for electrocatalytic overall water splitting. This study provides a new perspective for the design and synthesis of non-precious metal bifunctional electrocatalysts.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jonas Blahnik, Jennifer Schuster, Rainer Mueller, Eva Mueller, Werner Kunz
Summary: This study investigates the relationship between the morphology of PMMA monopolymers and PMMA-PHEMA copolymers with the expected nature of surfactant-free microemulsions (SFMEs) before polymerization. It is found that previously mesostructured, surfactant-free mixtures can produce porous polymers of different morphologies, while unstructured, oil-rich regions lead to solid, transparent polymers without nanostructured morphologies. Additionally, a surfactant-based reference system shows similar phase behavior and polymer morphologies as the comparable surfactant-free system, indicating the importance of the hydrotropic behavior of HEMA in this system.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zheng-Fen Pu, Wen-Zhi She, Rong Sheng Li, Qiu-Lin Wen, Bi-Chao Wu, Chun-Hua Li, Jian Ling, Qiue Cao
Summary: This study synthesized two framework-isomeric covalent organic frameworks (COFs) and discovered that the light scattering signal of COFs can be used for the analytical detection of lead ions. By controlling synthesis conditions and introducing regulators, the morphology of COFs could be controlled and framework-isomeric COFs could be precisely synthesized.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yuchen Weng, Ying Hong, Jingyu Deng, Sicheng Cao, Li-Juan Fan
Summary: This paper reports the preparation of dynamic color-changing fluorescent polymer nanoparticles (PNPs) by constructing a fluorescence resonance energy transfer (FRET) pair. The PNPs show excellent anti-counterfeiting effects and reproducibility. The study demonstrates a promising encryption strategy that can achieve multiple outputs with simple operation.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Guodong Liu, Zijian Wang, Jianing Wang, Hanbin Liu, Zhijian Li
Summary: This study investigates the combination of multicolor switchable polyaniline (PANI) electrode and 1-methyl-4,4'-bipyridyl iodide (MBI), which demonstrates superior optical properties in visible and near-infrared light modulation, as well as excellent electrochemical performances. This combination can be used to develop novel electrochromic devices for applications in smart packaging, smart labels, and flexible smart windows.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Huying Yan, Yang Guo, Xingzhi Bai, Jiawei Qi, Haipeng Lu
Summary: By modifying Ti3C2Tx through heterogeneous interface engineering, optimized impedance matching is achieved, leading to enhanced electromagnetic wave absorption performance.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Kehu Zhang, Yang Zhou, Silvia Moreno, Simona Schwarz, Susanne Boye, Brigitte Voit, Dietmar Appelhans
Summary: This article presents an advanced crosslinking strategy to fabricate clustered polymersomes using host-guest interactions. By controlling the input of crosslinker and environmental conditions, reversible aggregation and disassembly of these polymersomes can be achieved. The size and structure of these clustered polymersomes can be regulated and visualized through a fluorescent enzymatic cascade reaction.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Junjie Xu, Weixiong Huang, Ruiling Li, Li Li, Jinjin Ma, Jiaou Qi, Haiyan Ma, Min Ruan, Lilin Lu
Summary: In this study, a potassium doped palladium catalyst was developed for acetylene hydrogenation, showing excellent catalytic performance and durability. The doping of potassium effectively weakened the adsorption of ethylene, improved ethylene selectivity, and lowered the barriers of hydrogen activation and transfer reactions.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)