Structural Engineering Enabled Bimetallic (Ti1‐yNby)2AlC Solid Solution Structure for Efficient Electromagnetic Wave Absorption in Gigahertz DOI
Tong‐Tong Xu, Jun Li,

Dongpeng Zhao

et al.

Small, Journal Year: 2023, Volume and Issue: 19(27)

Published: March 28, 2023

Microstructures play a critical role to influence the polarization behavior of dielectric materials, which determines electromagnetic response ability in gigahertz. However, relationship between them, especially solid-solution structures is still absent. Herein, series (Ti1-y Nby )2 AlC MAX phase solid solutions with nano-laminated have been employed illuminate aforementioned problem. The has investigated by lattice distortion constructed via tuning composition from Ti Nb M-site atomic layer. Experimental characterizations indicated that behaviors declined conduction loss and boosted can be well balanced niobium atom manipulative engineering, conducive impedance matching absorption performance. Theoretical calculation further proved origin electric dipoles ascribed charge density differences resulting altered microscopic distribution. As result, Ti1.2 Nb0.8 exhibits mostly optimized microwave property, minimum reflection -42 dB an effective bandwidth 4.3 GHz under ultra-thin thickness 1.4 mm obtained. This work provides insight into structural engineering modifying performance at gigahertz expanded other materials.

Language: Английский

MXenes Antibacterial Properties and Applications: A Review and Perspective DOI Creative Commons
Farzad Seidi, Ahmad Arabi Shamsabadi, Mostafa Dadashi Firouzjaei

et al.

Small, Journal Year: 2023, Volume and Issue: 19(14)

Published: Jan. 5, 2023

The mutations of bacteria due to the excessive use antibiotics, and generation antibiotic-resistant have made development new antibacterial compounds a necessity. MXenes emerged as biocompatible transition metal carbide structures with extensive biomedical applications. This is related MXenes' unique combination properties, including multifarious elemental compositions, 2D-layered structure, large surface area, abundant terminations, excellent photothermal photoelectronic properties. focus this review application MXenes, which has attracted attention researchers since 2016. A quick overview synthesis strategies provided then summarizes effect various factors (including structural optical charges, flake size, dispersibility) on biocidal activity MXenes. main mechanisms for deactivating by are discussed in detail rupturing bacterial membrane sharp edges nanoflakes, generating reactive oxygen species (ROS), bacteria. Hybridization other organic inorganic materials can result improved activities different applications such wound dressings water purification. Finally, challenges perspectives MXene nanomaterials agents presented.

Language: Английский

Citations

153
Recent strategies for constructing efficient interfacial solar evaporation systems DOI Creative Commons
Yida Wang, Junqing Hu, Yu Li

et al.

Deleted Journal, Journal Year: 2023, Volume and Issue: 2, P. e9120062 - e9120062

Published: March 8, 2023

Interfacial solar evaporation (ISE) is a promising technology to relieve worldwide freshwater shortages owing its high energy conversion efficiency and environmentally sustainable potential. So far, many innovative materials evaporators have been proposed applied in ISE enable highly controllable efficient solar-to-thermal conversion. With rational design, can achieve excellent management for lowering loss, harvesting extra energy, efficiently utilizing the system improve production. Beyond that, strategy of reducing water vaporization enthalpy by introducing molecular engineering water-state regulation has also demonstrated as an effective approach boost ISE. Based on these, this article discusses nexus two-dimensional (2D) three-dimensional (3D) separately reviews strategies design fabrication systems. The summarized work offers significant perspectives guiding future systems with management, which pave pathways practical applications.

Language: Английский

Citations

85
Self-Healing MXene- and Graphene-Based Composites: Properties and Applications DOI Creative Commons
Atefeh Zarepour, Sepideh Ahmadi, Navid Rabiee

et al.

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 15(1)

Published: April 13, 2023

Abstract Today, self-healing graphene- and MXene-based composites have attracted researchers due to the increase in durability as well cost reduction long-time applications. Different studies focused on designing novel with enhanced sensitivity, stretchability, flexibility improved electrical conductivity, healing efficacy, mechanical properties, energy conversion efficacy. These properties can be employed field of wearable sensors, supercapacitors, anticorrosive coatings, electromagnetic interference shielding, electronic-skin, soft robotics, etc. However, it appears that more explorations are still needed achieve excellent arbitrary shape adaptability, suitable adhesiveness, ideal durability, high immediate responsibility, outstanding features. Besides, optimizing reaction/synthesis conditions finding strategies for functionalization/modification crucial aspects should comprehensively investigated. MXenes graphene exhibited superior electrochemical abundant surface terminations great area, which important evolve biomedical sensing stretchability criteria need their future Herein, most recent advancements pertaining applications deliberated, focusing challenges perspectives.

Language: Английский

Citations

85
Nanomaterials-based photothermal therapies for antibacterial applications DOI Creative Commons
Hao Liu, Fei Xing, Yuxi Zhou

et al.

Materials & Design, Journal Year: 2023, Volume and Issue: 233, P. 112231 - 112231

Published: Aug. 9, 2023

Bacterial infection continues to be one of the biggest threats human health. The therapeutic effect is significantly reduced as a result development super-bacteria-resistant bacteria due overuse antibiotics for conventional antimicrobial treatment. emergence drug-resistant makes it necessary develop new treatments. Following successful application photothermal therapy in field oncology treatment, more and researchers are applying treatments achieving important results, especially treatment bacterial infections. As non-invasive anti-infection method, has advantages broad-spectrum properties, short period, low systemic impact. In PTT, efficacy strongly depends on different laser properties choice agents (PTAs). purpose this review discuss most recent developments nanomaterials that antibacterial. We will delve into principles spectrum PTAs provide summary current synthesis, classification, structural features, physicochemical antibacterial performance research. challenges future prospects enhanced cytotoxicity investigated.

Language: Английский

Citations

77
Mild Photothermal‐Stimulation Based on Injectable and Photocurable Hydrogels Orchestrates Immunomodulation and Osteogenesis for High‐Performance Bone Regeneration DOI
Minhao Wu, Huifan Liu, Yufan Zhu

et al.

Small, Journal Year: 2023, Volume and Issue: 19(28)

Published: May 16, 2023

Abstract A photoactivated bone scaffold integrated with minimally invasive implantation and mild thermal‐stimulation capability shows great promise in the repair regeneration of irregularly damaged tissues. Developing multifunctional photothermal biomaterials that can simultaneously serve as both controllable thermal stimulators biodegradable engineering scaffolds for immunomodulation, infection therapy, impaired remains an enormous challenge. Herein, injectable photocurable hydrogel therapeutic platform (AMAD/MP) based on alginate methacrylate, alginate‐graft‐dopamine, polydopamine (PDA)‐functionalized Ti3C2 MXene (MXene@PDA) nanosheets is rationally designed near‐infrared (NIR)‐mediated synergistic osteogenesis, bacterial elimination. The optimized AMAD/MP exhibits favorable biocompatibility, osteogenic activity, immunomodulatory functions vitro. proper immune microenvironment provided by could further modulate balance M1/M2 phenotypes macrophages, thereby suppressing reactive oxygen species‐induced inflammatory status. Significantly, this stimulation efficiently attenuates local reactions promotes new formation without addition exogenous cells, cytokines, or growth factors. This work highlights potential application advanced providing on‐demand cues tissue regenerative medicine.

Language: Английский

Citations

75
Emerging 2D MXenes for antibacterial applications: Current status, challenges, and prospects DOI
Xiaojun He, Seyoung Koo, Enoch Obeng

et al.

Coordination Chemistry Reviews, Journal Year: 2023, Volume and Issue: 492, P. 215275 - 215275

Published: June 7, 2023

Language: Английский

Citations

52
MXenes: Versatile 2D materials with tailored surface chemistry and diverse applications DOI
Sunil Kumar, Nitu Kumari, Yongho Seo

et al.

Journal of Energy Chemistry, Journal Year: 2023, Volume and Issue: 90, P. 253 - 293

Published: Dec. 5, 2023

Language: Английский

Citations

52
Molecularly imprinted polymers (MIPs): emerging biomaterials for cancer theragnostic applications DOI Creative Commons
Min Seok Kang, Euni Cho,

Hye Eun Choi

et al.

Biomaterials Research, Journal Year: 2023, Volume and Issue: 27(1)

Published: Feb. 9, 2023

Cancer is a disease caused by abnormal cell growth that spreads through other parts of the body and threatens life destroying healthy tissues. Therefore, numerous techniques have been employed not only to diagnose monitor progress cancer in precise manner but also develop appropriate therapeutic agents with enhanced efficacy safety profiles. In this regard, molecularly imprinted polymers (MIPs), synthetic receptors recognize targeted molecules high affinity selectivity, intensively investigated as one most attractive biomaterials for theragnostic approaches. This review describes diverse synthesis strategies provide rationale behind these antibodies provides selective overview recent vitro vivo targeting biomarkers diagnosis applications. Taken together, topics discussed concise guidelines development novel MIP-based systems more precisely promote successful treatment. Molecularly The aim

Language: Английский

Citations

46
Facile fabrication of biomass chitosan-derived magnetic carbon aerogels as multifunctional and high-efficiency electromagnetic wave absorption materials DOI Open Access
Shijie Wang, Xue Zhang, Yunxiang Tang

et al.

Carbon, Journal Year: 2023, Volume and Issue: 216, P. 118528 - 118528

Published: Oct. 15, 2023

Language: Английский

Citations

45
MXene‐Based Functional Platforms for Tumor Therapy DOI
Fan Gao, Chun Xue, Tian Zhang

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(51)

Published: May 5, 2023

Abstract Recently, 2D transition metal carbide, nitride, and carbonitrides (MXenes) materials stand out in the field of tumor therapy, particularly construction functional platforms for optimal antitumor therapy due to their high specific surface area, tunable performance, strong absorption near‐infrared light as well preferable plasmon resonance effect. In this review, progress MXene‐mediated is summarized after appropriate modifications or integration procedures. The enhanced treatments directly performed by MXenes, significant improving effect MXenes on different therapies, imaging‐guided strategies are discussed detail. Moreover, existing challenges future development directions presented.

Language: Английский

Citations

41