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Article
Multidisciplinary Sciences
Zilong Han et al.
Summary: Hydrogen bond engineering is utilized to enhance the mechanical properties and extreme condition tolerance of hydrogels. The trehalose network-repairing strategy using covalent-like hydrogen bonding interactions greatly improves the strength, stretchability, and toughness of modified hydrogels under a wide temperature range. This methodology provides a versatile approach to synthesize highly stretchable and tough hydrogels for various applications.
Article
Engineering, Mechanical
Dongchang Zheng et al.
Summary: In this paper, the effects of chain entanglement on fracture and fatigue of polymer networks are studied using polyacrylamide hydrogels as a model material. The study reveals that entangled polymer networks exhibit significantly enhanced fracture toughness, possibly due to the pull-out of chains and/or delocalized damage of chains around the crack tip.
EXTREME MECHANICS LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Zhen Chen et al.
Summary: Researchers have proposed a multiresponsive information recording platform based on nanofiber-reinforced poly(N-isopropylacrylamide) (PNIPAM) hydrogel, which has improved mechanical properties and high-resolution information recording capability, and can perform self-encryption and multidecryption. The platform utilizes the unique structure of the hydrogel to record and erase information by changing temperature, and can achieve self-encryption and decryption by adjusting ethanol volatilization time and concentration difference.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Huifeng Dong et al.
Summary: Developing a multifunctional hydrogel dressing that can adapt to complex and changeable environments, reconstruct skin sensory functions, and provide continuous bactericidal activity is challenging. In this study, a hydrogel dressing based on alginate and polycation was developed, which showed excellent antibacterial properties and accelerated wound healing in a rat model. The hydrogel also demonstrated multiple response modes for strain, pressure, and temperature sensing, providing a smart solution for wound healing and human health monitoring.
Article
Chemistry, Multidisciplinary
Chien-Chen Diao et al.
Summary: In this study, a new class of thermosensitive poly(N-isopropylacrylamide)-co-poly(acrylic acid) (P(NIPAAm-co-AAc))-grafted modified silica (m-silica) nanocomposites was prepared using a sol-gel technique. The addition of silica to P(NIPAAm-co-AAc) copolymer hydrogel has the potential to open up new applications in the development of thermosensitive building materials. The P(NIPAAm-co-AAc)-grafted m-silica nanocomposites exhibited favorable thermosensitive properties and may therefore be applied in smart architectural coatings.
Review
Chemistry, Multidisciplinary
Yu Sun et al.
Summary: This paper provides an overview of the latest progress in polymeric gel-based information storage materials for anti-counterfeiting purposes. The preparation methods for intelligent gels with adjustable colors and various encryption/decryption modes are outlined. The challenges and prospects for information storage and anti-counterfeiting based on smart gels are discussed.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Qing Chen et al.
Summary: This study presents a biomimetic strategy for the fabrication of multi-functional soft robotics with programmable stimuli-responsiveness, excellent robustness, and efficient self-healing ability. The approach utilizes polyelectrolytes and nanofibers to create an actuator that can respond to humidity gradients and exhibit reversible bending deformations. The study also demonstrates potential applications in biosensors and smart packaging.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Guodong Nian et al.
Summary: In this study, a novel method was developed to create hydrogels that are both swell-resistant and tough by densely entangling polymer chains at elevated temperatures and sparsely crosslinking them using UV light. This method is applicable to various synthetic and natural polymers and compatible with industrial processing technologies, opening doors to the development of sustainable and high-performance hydrogels.
ADVANCED MATERIALS
(2022)
Article
Engineering, Environmental
Wenjiao Ge et al.
Summary: The study proposes a double network hydrogel synthesized by one-step polymerization reaction, utilizing LiCl to enhance interactions between the colloidal phase and water molecules, ensuring water retention capability and freezing tolerance over a wide temperature range. The synergy between LiCl and CNF maintains mechanical strength and enables high stretchability and ionic conductivity in the system at low temperatures.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Nanoscience & Nanotechnology
Zhen Chen et al.
Summary: A multi-stimulus-responsive and multifunctional hydrogel system was developed, showing good elasticity, flexibility, and stable conductivity. It can detect human motion, respond to physiological signals, and environmental temperature changes. The bilayer hydrogel system also functions as actuators and has thermoresponsive smart features for displaying and concealing information.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Applied
Lei Ding et al.
Summary: The study integrated acidochromic regenerated cellulose into polyvinyl alcohol/borax matrix to prepare a smart hydrogel with self-healing, color-tunable, and sol-gel conversion properties. The mechanical properties of the hydrogel were significantly improved after incorporating ARC, showing excellent self-healing and color tuning abilities.
CARBOHYDRATE POLYMERS
(2021)
Article
Multidisciplinary Sciences
Mutian Hua et al.
Summary: A strategy combining freeze-casting and salting-out treatments produces poly(vinyl alcohol) hydrogels with a multi-length-scale hierarchical architecture, including micrometre-scale honeycomb-like pore walls and interconnected nanofibril meshes. These hydrogels have properties that compare favorably to other tough hydrogels and even natural tendons.
Article
Multidisciplinary Sciences
Shancheng Wang et al.
Summary: Researches have developed scalable smart windows that can automatically regulate radiative cooling capacity while maintaining transparency and modulating performance, suitable for self-adapting applications in different climate zones.
Article
Multidisciplinary Sciences
Junsoo Kim et al.
Summary: By synthesizing polymers with a large number of entanglements and sparse cross-links, high toughness, strength, and fatigue resistance can be achieved, resulting in hydrogels with low hysteresis, low friction, and high wear resistance after swelling in water.
Article
Engineering, Electrical & Electronic
Yunsik Ohm et al.
Summary: The silver-hydrogel composite exhibits a high electrical conductivity of over 350 S cm(-1) and a low Young's modulus of less than 10 kPa. It demonstrates soft compliance and deformability, making it suitable for various applications such as stingray-inspired swimmers and neuromuscular electrical stimulation electrodes.
NATURE ELECTRONICS
(2021)
Article
Chemistry, Multidisciplinary
Jing Liu et al.
Summary: The study prepared an organic hydrogel that shows obvious transparent changes in different solvents and can be used as a dynamic information storage device. It exhibits outstanding freezing resistance and moisturizing properties, and displays stable mechanical sensing performance in various environments.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Applied
Jiachuan Hua et al.
Summary: The study successfully synthesized super-tough hydrogels with shape memory property, capable of withstanding high tensile stress and possessing high toughness. These hydrogels could be used to fabricate smart textile or actuators with shape memory function.
CARBOHYDRATE POLYMERS
(2021)
Article
Chemistry, Physical
Shancheng Wang et al.
Summary: Researchers have proposed an ideal smart window design with switchable LWIR emissivity and solar modulation ability to cater to seasonal thermal performance requirements and energy-saving demands. They have fabricated a smart window with large tunability and proven its significantly enhanced energy-saving performance globally.
Review
Chemistry, Multidisciplinary
Xuanhe Zhao et al.
Summary: Hydrogels possess extreme mechanical properties and have diverse applications. While many hydrogels have been developed, a set of general principles for designing them for various applications remains a central need.
Article
Biochemistry & Molecular Biology
Tzu-Chieh Tang et al.
Summary: A hydrogel-based encapsulation system, known as DEPCOS, has been developed to provide deployable physical containment for genetically modified microorganisms, preventing their escape and protecting them against environmental insults. It also allows for controlled lifespan and easy retrieval of bacteria, showcasing versatility in executing useful functions such as cell-cell communication and heavy metal sensing.
NATURE CHEMICAL BIOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Tianyu Zhan et al.
Summary: In this study, a temperature-sensitive conductive hybrid hydrogel was prepared by in-situ polymerization of polyaniline (PANI) on a PNIPAM/CMCS/MWCNT hydrogel substrate, which endows the hydrogel with highly porous structures and enhances its mechanical properties and stability. As a strain sensor, the hybrid hydrogel shows high sensitivity (gauge factor 3.603) and exhibits outstanding linear dependence of sensitivity on strain. Additionally, the hybrid hydrogel can be utilized to construct a highly sensitive temperature alertor based on circuit disconnection caused by volume shrinkage at high temperatures, as well as a pH sensor to monitor changes in the acidity and alkalinity of solutions.
Review
Chemistry, Multidisciplinary
Yongping Liang et al.
Summary: Hydrogels have shown promising advantages as wound dressings due to their excellent biochemical and mechanical properties. This review summarizes the advanced functions of hydrogel dressings, such as antimicrobial, adhesion, hemostasis, anti-inflammatory, substance delivery, self-healing, stimulus response, and conductivity, as well as the emerging wound monitoring feature. The potential applications for different types of wounds, including chronic wounds and focus on infected, burn, and diabetic wounds, are discussed, along with proposed future directions for hydrogel wound dressings in wound healing.
Article
Multidisciplinary Sciences
Yang Gao et al.
Summary: Surgical mesh is commonly fixed on tissues through fasteners, but may cause stress concentration and tissue damage. Hydrogel-mesh composites (HMCs) retain attributes of surgical mesh and add tissue adhesion capability. By soaking a surgical mesh with a precursor that forms a polymer network upon cure, HMCs can form covalent bonds with tissues, distributing force over a large area.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Multidisciplinary Sciences
Seongjun Park et al.
Summary: This study introduces a hybrid neural probe embedded with a hydrogel structure to achieve adaptive bending stiffness, enabling minimised tissue damage during insertion into the rodent brain.
NATURE COMMUNICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Chengzhi Zhou et al.
Summary: A bamboo-derived composite with enhanced radiative cooling was fabricated through a simple solution-based process, with one side having a low long-wavelength infrared emissivity (ε(LWIR)) of 0.3 to prevent heat exchange, and the other side near unity (0.95) to promote radiative cooling. Energy saving simulations in Singapore showed up to 89% energy savings enhancement compared to commercial low-E glass.
ACS MATERIALS LETTERS
(2021)
Article
Materials Science, Multidisciplinary
Jiahua Ni et al.
Summary: Nanofibrous hydrogels are commonly found in animal and plant bodies, and widely used in engineering applications. This study presents a bioinspired design for creating strong and fatigue-resistant nanofibrous hydrogels that mimic the natural bouligand structure, achieving high strength and toughness properties.
Article
Mechanics
Yifan Zhou et al.
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME
(2020)
Review
Materials Science, Multidisciplinary
Xinyue Liu et al.
Article
Multidisciplinary Sciences
Ji Liu et al.
NATURE COMMUNICATIONS
(2020)
Article
Multidisciplinary Sciences
Do Hee Keum et al.
Article
Chemistry, Multidisciplinary
Florence G. Downs et al.
Article
Chemistry, Multidisciplinary
Yuhang Ye et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
Chemistry, Physical
Yang Zhou et al.
Article
Robotics
Chuang Li et al.
Article
Chemistry, Multidisciplinary
Ziyang Liu et al.
MATERIALS HORIZONS
(2020)
Article
Engineering, Chemical
Chiaki Nakamura et al.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2019)
Article
Polymer Science
A. Kristen Means et al.
Review
Chemistry, Physical
Yujie Ke et al.
ADVANCED ENERGY MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Yang Zhou et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
Review
Chemistry, Multidisciplinary
Hyunwoo Yuk et al.
CHEMICAL SOCIETY REVIEWS
(2019)
Article
Nanoscience & Nanotechnology
Qinqin Ding et al.
ACS APPLIED MATERIALS & INTERFACES
(2018)
Article
Materials Science, Multidisciplinary
Cuiyun Liu et al.
JOURNAL OF MATERIALS SCIENCE
(2017)
Article
Chemistry, Multidisciplinary
Xiaofang Zhang et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2016)
Article
Chemistry, Multidisciplinary
Yong-Sheng Yang et al.
Article
Chemistry, Physical
Yang Zhou et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2015)
Article
Multidisciplinary Sciences
Jeong-Yun Sun et al.
Article
Chemistry, Physical
Yan Zhao et al.
THEORETICAL CHEMISTRY ACCOUNTS
(2008)
Review
Chemistry, Multidisciplinary
J Tomasi et al.
