Article
Materials Science, Multidisciplinary
Long Zhang, Lifan Nie, Shaohui Zhang, Zhaobo Dong, Quan Zhou, Ziang Zhang, Ge-Bo Pan
Summary: This paper investigates high permittivity nanocomposites by modifying 2D conductive MOF Ni-3(HHTP)(2) onto MXene nanosheets for fabricating high permittivity poly(vinylidene fluoride) (PVDF) nanocomposites with low dielectric loss. The results confirm the successful grafting of Ni-3(HHTP)(2) MOF on MXene nanosheets. The MOF-MXene/PVDF nanocomposite exhibits a high permittivity of 530 with a dielectric loss of 0.49 at 4.76 wt% under 1 kHz.
Article
Polymer Science
Jinjing Wang, Yi Zhang, Jianfei Sun, Zhen Jiao
Summary: This study successfully fabricated multi-modal porous scaffolds from PLGA/SPIONs using supercritical CO2 foaming. By controlling the SPIONs content, soaking temperature, pressure, and depressurization rate, multi-modal porous scaffolds with adjustable porosity could be obtained. The compressive modulus and porosity of the scaffolds were strongly associated with the porous structure.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Review
Chemistry, Multidisciplinary
Yuan Liu, Gungun Lin, Mariana Medina-Sanchez, Maria Guix, Denys Makarov, Dayong Jin
Summary: With advanced biomedical theragnosis and bioengineering tools, smart and soft responsive microstructures and nanostructures have been developed that can change shapes and convert external power into mechanical actions. This article surveys the progress in designing responsive polymer-particle nanocomposites, leading to the development of smart shapemorphing microscale robotic devices. The use of magnetic fields for tether-free control enables penetration of biological tissues, and future fabrication techniques will be crucial for integrating nanoscale material functionalities into microscale robots.
Article
Materials Science, Multidisciplinary
Fangli Gang
Summary: A strong, tough, and self-recovery hydrogel employing a double network and multiple dynamic interactions was demonstrated, showing great potential for osteochondral repair with remarkable compressive strength, elongation, fracture energy, cytocompatibility, and self-recovery properties.
Article
Engineering, Manufacturing
Minhao Guo, Yufan Zhang, Chun Huang, Xu Zhao, Xiu-Ping Yan, Yunpeng Huang, Le Li, Tianxi Liu
Summary: This study successfully developed a novel shape memory polyimide aerogel composite with a high programming temperature and excellent shape recovery capability. By regulating molecular interactions and pore structures, the desired thermo-mechanical performances were achieved, showing great potential for widespread applications in harsh environments.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2023)
Article
Chemistry, Multidisciplinary
Qun Li, Qingze Jiao, Wei Zhou, Xueting Feng, Quan Shi, Zheng Dai, Tingting Gu, Yun Zhao, Hansheng Li, Caihong Feng
Summary: In this study, novel core-shell CuCo2S4@polypyrrole (CS-CuCo2S4@PPy) nanocomposites were successfully prepared for application in sodium ion batteries, exhibiting superior electrochemical performance with high reversible capacity, excellent rate capability, and ultra-long cycling stability. The synergistic effect of CuCo2S4 and PPy, as well as the core-shell structure, contribute to the competitive electrochemical performances of the nanocomposites.
MATERIALS CHEMISTRY FRONTIERS
(2021)
Article
Materials Science, Ceramics
Shaojun Liang, Yunfeng Shi, Ding Hu, Hanming Zhu, Song Yue
Summary: This study investigates the energy filtering effect on the thermoelectric performance of Ag-doped Bi0.5Sb1.5Te3 films. The research shows that simultaneous increase in electrical conductivity and Seebeck coefficient leads to a 700% increase in power factor. Microstructure analysis reveals highly uniform nanocrystal domains and coherent interfaces in the films prepared by magnetron sputtering. Additionally, local Ag doping depresses the Fermi level, forming a suitable potential barrier between adjacent nanograins. This study proposes a simple method to significantly enhance the thermoelectric performance in high quality thin films through energy filtering effect.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Multidisciplinary
Baekmin Q. Q. Kim, Mate Furedi, R. Bharath Venkatesh, Stefan Guldin, Daeyeon Lee
Summary: Polymer nanocomposites with high loadings of nanoparticles (NPs) have excellent mechanical and transport properties. Separating the polymers and NPs from these nanocomposites is important for recycling the components and reducing environmental hazards. This research demonstrates that the separation can be achieved by exposing the nanocomposites to high humidity and water. The charge state of the NPs and the size of the NPs play significant roles in the separation process.
Article
Materials Science, Multidisciplinary
Shabnam Taheriniya, Farnaz A. Davani, Sven Hilke, Marco Hepp, Christian Gadelmeier, Mohammed Reda Chellali, Torben Boll, Harald Rosner, Martin Peterlechner, Christoph Gammer, Sergiy Divinski, Benjamin Butz, Uwe Glatzel, Horst Hahn, Gerhard Wilde
Summary: High-pressure torsion is applied to join two disks of single-phase equiatomic fcc CoCrFeMnNi and bcc HfNbTaTiZr high entropy alloys, forming a bulk nanocomposite with alternating nano-lamellae of elongated nanocrystalline CoCrFeMnNi and mixed amorphous-nanocrystalline HfNbTaTiZr that exhibit complex microstructures. The joining process enables the design of novel HEA-based composites through non-equilibrium processing, resulting in chemical separation of the former bcc high entropy alloy and homogeneous elemental distribution in the fcc phase.
Review
Chemistry, Physical
Sadia Faryad, Muhammad Bilal Tahir, Badriah S. Almutairi, Muhammad Sagir, Saima Nazir, Bilal Ahmed, H. Elhosiny Ali, Hussein Alrobei, Meshal Alzaid
Summary: This study covers important developments in the area of 2D MXene, discussing the changes in design, synthetic methods, and stability over time. It also addresses the challenges and limitations facing the development of functional MXene materials with controlled structures and properties for renewable clean energy conversion and storage applications. Furthermore, the future of these 2D MXene-based materials in energy storage applications is described.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Materials Science, Multidisciplinary
Zhi Chen, Xiaoyu Ning, Huizhen Ke, Hao Jia, Qufu Wei, Yuxiang Wang
Summary: The sulfur@carbon nanocube composite enhances the cycle stability of Li-S battery system by encapsulating sulfur into individual insulated carbon nanocubes, inhibiting sulfur aggregation and confining soluble lithium polysulfides. The large surface area and thin shells of carbon nanocubes facilitate rapid transport of Li+ ions and electrons, achieving superior rate capability and stable cycling performance.
Article
Chemistry, Analytical
P. Stephen Selvamani, J. Judith Vijaya, L. John Kennedy, B. Saravanakumar, N. Clament Sagaya Selvam, P. Joice Sophia
Summary: Researchers have developed a CeO2@MoS2@rGO (CeMG) ternary composite through a two-step microwave synthetic route to be used as an outstanding electrode material for supercapacitors. The composite exhibits excellent specific capacitance at a current density of 1 A g-1, with a prolonged cyclic stability of 88.9% capacitance retained after 10,000 cycles of charging and discharging.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Agriculture, Dairy & Animal Science
Shenggang Yin, Liuzhen Su, Quanjun Shao, Zhiyong Fan, Jiayong Tang, Gang Jia, Guangmang Liu, Gang Tian, Xiaoling Chen, Jingyi Cai, Bo Kang, Hua Zhao
Summary: Dietary supplementation of compound bioengineering protein (CBP) improves the growth performance and intestinal health of broilers under high ambient temperatures. It enhances antioxidant capacity, promotes intestinal barrier function, ameliorates intestinal immune response, and regulates intestinal bacteria, thus improving the growth performance of broilers.
JOURNAL OF ANIMAL SCIENCE
(2023)
Article
Engineering, Electrical & Electronic
Zhou Jiang, Haidong Yu, Xuebin Zhou, Yong Li, Ying Wang
Summary: This study focuses on improving the capacity attenuation problem of copper oxide electrode material by adding reduced graphene oxide. The synthesized copper oxide/reduced graphene oxide composite shows a higher cycle capacity. The findings provide useful insights for enhancing the performance of anode materials in lithium-ion batteries.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Chemistry, Physical
Wansheng Luo, Weiliang Zeng, Hongying Quan, Menghua Pan, Yunying Wang, Dezhi Chen
Summary: In this study, NiCo hydroxycarbonate hierarchical nanoarrays modified with CDs were successfully prepared on carbon cloth through a simple hydrothermal method. The optimized samples exhibited excellent electrochemical performance and cycle stability on CC. When applied in an asymmetric aqueous supercapacitor, they showed high specific capacitance and good energy density.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Polymer Science
Minglong Chen, Xianglong Hu, Shiyong Liu
Summary: Vaccination is a promising method to prevent serious diseases, but the limitations of mRNA vaccines require further research for optimization.
MACROMOLECULAR CHEMISTRY AND PHYSICS
(2022)
Article
Chemistry, Multidisciplinary
Qiangqiang Shi, Hao Yin, Rundi Song, Jie Xu, Jiajia Tan, Xin Zhou, Jie Cen, Zhengyu Deng, Huimin Tong, Chenhui Cui, Yanfeng Zhang, Xiaopeng Li, Zhengbiao Zhang, Shiyong Liu
Summary: In this study, a modular construction method for precise sequence-defined amphiphilic polymers was reported, and direct sequence reading and quantification were achieved using mass spectrometry. In vivo experiments enabled the comparison of the biological properties of different types of polymers.
Article
Chemistry, Multidisciplinary
Qiangqiang Shi, Xin Zhou, Jie Xu, Jialin Zhang, Ning Wang, Guoying Zhang, Jinming Hu, Shiyong Liu
Summary: The use of sequence-defined digital polymers for data storage and encryption is gaining attention due to their precision structures and increased stability. A dendritic quaternary-encoded oligourethane has been developed for data encryption, providing high-strength encryption keys for reliable data protection.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Polymer Science
Mingxuan Hou, Shiyong Liu
Summary: J-aggregation is a unique fluorescence aggregation phenomenon that exhibits a bathochromic shift and higher absorption coefficient compared to nonaggregated monomers. The incorporation of J-aggregation dyes with polymeric nanoassemblies provides enhanced microstructural stability, aqueous dispersity, and functional integration. Near-infrared polymeric J-aggregates have been widely used for in vivo imaging and therapeutic functions. This perspective discusses recent trends, challenges, and future opportunities in the field of polymeric J-aggregates formation within nanoassemblies.
MACROMOLECULAR CHEMISTRY AND PHYSICS
(2023)
Review
Chemistry, Multidisciplinary
Aizong Shen, Lei Zhang, Yanbo Xie, Xueyu Zhu, Jinming Hu, Shiyong Liu
Summary: Synthetic polymers have been widely used in biomedical fields for imaging and therapeutic purposes. Discrete polymers, characterized by precise molecular weight and no molecular weight distribution, have shown promising potential in optical imaging, magnetic resonance imaging, and therapeutic applications. The development of efficient synthetic strategies and further (pre)clinical studies are needed to facilitate the clinical translation of discrete polymers into precision nanomedicines.
Article
Chemistry, Multidisciplinary
Zhiqiang Shen, Shaoqiu Zheng, Yuanmeng Fang, Guoying Zhang, Chen Zhu, Shiyong Liu, Jinming Hu
Summary: We have successfully developed a novel strategy for constructing ONOO- donors by combining near-infrared-mediated type I photosensitization and photoredox catalysis. The design involves a Nile blue analogue that can serve as both a type I photosensitizer and a metal-free photocatalyst. The formation of O-2(center dot-) via type I photosensitization activates nitrobenzofurazan-based NO donors via oxygen-tolerant NIR photoredox catalysis, resulting in the simultaneous release of O-2(center dot-) and NO, leading to the release of ONOO- with antibacterial and antibiofilm activities.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Jie Xu, Jiajia Tan, Chengzhou Song, Guoying Zhang, Xianglong Hu, Shiyong Liu
Summary: This study reports self-immolative amphiphilic poly(ferrocenes) nanoparticles which can achieve complete degradation upon triggering by tumor acid environment. The degradation releases azaquinone methide (AQM) moieties that deplete intracellular glutathione (GSH) and cascade release aminoferrocene (AFc). AFc and its product Fe2+ catalyze the conversion of intracellular hydrogen peroxide (H2O2) into highly reactive hydroxyl radicals ((OH)-O-center dot), amplifying the oxidative stress of tumor cells. The rational synergy of GSH depletion and (OH)-O-center dot burst efficiently inhibits tumor growth in vitro and in vivo. This work presents an elegant design to boost cellular oxidative stress using innate tumor milieu-triggerable degradation of SIPs, which has great potential for precision medicine.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Polymer Science
Qiang-Qiang Shi, Xin Zhou, Jie Xu, Ning Wang, Jia-Lin Zhang, Xiang-Long Hu, Shi-Yong Liu
Summary: Compared with spherical micelles, rod/worm-like micelles have extended blood circulation duration and exhibit favorable cellular uptake behavior. The controllable fabrication of narrowly dispersed nanorods in aqueous media is challenging. A methodology of thermal annealing was developed for the fabrication of helical nanorods and a series of nanorods with different lengths. In addition, supramolecular self-assembly by amphiphilic dendritic oligourethane readily fabricated diverse uniform nanorods in aqueous media.
CHINESE JOURNAL OF POLYMER SCIENCE
(2023)
Review
Polymer Science
Qiangqiang Shi, Zhengyu Deng, Mingxuan Hou, Xianglong Hu, Shiyong Liu
Summary: Unlike natural macromolecules, synthetic polymers are typically characterized by broad chain length distributions, inhomogeneous compositions, and undefined sequences. Sequence-defined polymers (SDPs), with precise chain length, sequence, tacticity, and topology, aim to bridge the gap and reach the same level of precision, complexity, and functionality as biopolymers. The emergence of SDPs provides an unparalleled opportunity to regulate their primary structures, self-organization, and macroscopic properties, enabling the elucidation of structure-function relationships. This review summarizes recent progress in the synthesis and advanced applications of SDPs and proposes prospects for future challenges and developments.
PROGRESS IN POLYMER SCIENCE
(2023)
Review
Chemistry, Multidisciplinary
Qiangqiang Shi, Zhengbiao Zhang, Shiyong Liu
Summary: This Minireview summarizes recent advances in sequence-defined synthetic polymers (SDPs), focusing on newly developed sequencing methods including tandem mass spectrometry (MS) based on bond-selective cleavage and biased ionization, and primary MS based on cascade degradation. Their biological functions are also highlighted, and future perspectives of SDPs outlined.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Jie Xu, Changzhu Lv, Qiangqiang Shi, Jialin Zhang, Ning Wang, Guoying Zhang, Jinming Hu, Shiyong Liu
Summary: Discrete polymers are a valuable tool for studying chain structure, self-assembly behavior, and functional applications. However, the development of discrete polymers with self-immolative properties is limited. In this study, we synthesized a library of self-immolative oligourethanes through stepwise growth, which exhibited cascade depolymerization and selective cleavage properties. These oligourethanes also displayed different morphologies and morphological transitions in aqueous media and upon thermal annealing.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Qiangqiang Shi, Chengzhou Song, Minglong Chen, Jie Xu, Shaoqiu Zheng, Jiajia Tan, Jialin Zhang, Ning Wang, Jinming Hu, Shiyong Liu
Summary: Polymeric nanoparticles (NPs) are commonly used for drug delivery, and their biological behavior is usually tracked using fluorescence or isotope labeling methods. However, these labeling techniques may affect the properties of NPs and result in inaccurate information. It is therefore crucial to develop label-free techniques for accurately assessing the biological fate of polymeric NPs. In this study, discrete oligourethane amphiphiles (DOAs) were used to create nanorods (NRs) with distinct surface functional groups. These NRs can be quantified without labeling and their surface functional groups were found to significantly impact their biological behavior.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Multidisciplinary
Chengzhou Song, Minglong Chen, Jiajia Tan, Jie Xu, Yuben Zhang, Guoying Zhang, Xianglong Hu, Shiyong Liu
Summary: Researchers have developed oxidation-responsive polymer nanoparticles that can degrade quickly and release drugs upon stimulation in tumor cells, leading to improved therapeutic efficacy.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Multidisciplinary
Jie Cen, Mingxuan Hou, Shiyong Liu
Summary: PEGylation, a widely used drug modification technique, has been found to have immunogenic and antigenic effects due to PEG and its derivatives, resulting in side effects and allergic reactions. The development of discrete PEG synthesis methods has led to a focus on the biological activity difference between conventional polydisperse PEG and single molecular weight precise PEG. Discrete PEG has demonstrated advantages in resisting protein adsorption, cell adhesion, and enhancing drug efficacy, suggesting its potential for reducing immunogenicity and antigenicity. The use of discrete PEG with consistent chemical structure and molecular weight can facilitate the clinical conversion of precise PEG drugs.
Article
Chemistry, Multidisciplinary
Wenhao Pan, Lei Zhang, Lei Li, Jie Cen, Rundi Song, Chengzhou Song, Guoying Zhang, Jinming Hu, Shiyong Liu
Summary: This study reports the synthesis of well-defined polypeptides containing semicarbazide moieties via direct polymerization of N-phenoxycarbonyl-functionalized alpha-amino acid (NPCA) based monomers. These polypeptides can be further decorated with ketone/aldehyde-containing agents with the formation of pH-cleavable semicarbazone linkages. The intracellular acidic pH-triggered release promotes drug escape from endolysosomes and enhances anti-tumor efficacy, which can be also employed for highly sensitive detection of tumor lesions.
ADVANCED MATERIALS
(2023)
