Recently, polyampolytes have been discovered to form hydrogels that possess high toughness, full resilience, and self-healing between two cut surfaces. The of this class is based on the re-forming multiple ionic bonds at fractured surfaces, in which mobility polymer segments strength play an important role. In work, we study effects healing temperature chemistry polyampholyte (chemical cross-linker density chemical structure monomers) kinetics efficiency. substantially accelerates kinetics....

Developing nonspecific, fast, and strong adhesives that can glue hydrogels biotissues substantially promotes the application of as biomaterials. Inspired by ubiquitous adhesiveness bacteria, it is reported neutral polyampholyte hydrogels, through their self-adjustable surface, show rapid, strong, reversible adhesion to charged biological tissues Coulombic interaction.

Abstract We demonstrate a facile efficient way to fabricate activated carbon nanosheets (ACNSs) consisting of hierarchical porous materials. Simply heating banana leaves with K 2 CO 3 produce ACNSs having unique combination macro‐, meso‐ and micropores high specific surface area ∼1459 m g −1 . The effects different electrolytes on the electrochemical supercapacitor performance stability are tested using two‐electrode system. capacitance ( C sp ) values 55, 114, 190 F in aqueous 0.5 M sodium...

A combination of strong load-bearing capacity and high swelling degree is desired in hydrogels for many applications including drug delivery, tissue engineering, biomedical engineering. However, a compromising relationship exists between these two most important characteristics hydrogels. Improving both properties simultaneously single hydrogel material still beyond the satisfactory limit. Herein, we report novel approach to address this problem by introducing silica-based bi-functional 3D...

Abstract Supercapacitor is considered a promising energy storage device due to its high‐power density and high specific capacitance. Electrode materials electrolytes are major components of supercapacitors. The most used not biocompatible, which limits their practical applications. Bio‐electrolytes often cause low performances However, the inadequate bio‐electrolytes for supercapacitor applications could be improved using redox molecules. Here, we reporting development novel bio‐electrolyte...

Hydrothermal incorporation of an MoS 2 nanosheet onto ternary metal sulfide enhances the specific capacitance resulting in asymmetric supercapacitor (CuCo S 4 –MoS //AC) with ultra-high energy density and power as well wide potential window.

Extraordinary self-healing efficiency is rarely observed in mechanically strong hydrogels, which often limits the applications of hydrogels biomedical engineering. We have presented an approach to utilize a special type graphene oxide-based crosslinker (GOBC) for simultaneous improvement toughness and properties conventional hydrogels. The GOBC has been prepared from oxide (GO) by surface oxidation further introduction vinyl groups. It designed such way that able form both covalent bonds...

The mechanical performances of hydrogels are greatly influenced by the functionality cross-linkers and their covalent non-covalent interactions with polymer chains. Conventional chemical fail to meet demand large toughness high extensibility for immediate applications as artificial tissues like ligaments, blood vessels, cardiac muscles in human or animal bodies. Herein, we synthesized a new graphene oxide-based two-dimensional (2D) cross-linker (GOBC) exploited enhancement stretchability...

This work reports the rational design of MnOx nanorods on 3D crushed reduced graphene oxide (MnOx/C-rGO) by chemical reduction Ni-incorporated (GO) followed etching to remove Ni. The resulting MnOx/C-rGO composite synergistically integrates electronic properties and geometry structure C-rGO. As a result, shows significantly higher specific capacitance (Csp) 863 F g-1 than MnOx/2D sheets (MnOx/S-rGO) (373 g-1) (200 at current density 0.2 A g-1. Furthermore, when assembled into symmetric...

This study reports a simple one-step hydrothermal method for the preparation of Ni(OH)2 and MnO2 intercalated rGO nanostructure as potential supercapacitor electrode material. Having highly amorphous layers with turbostratic integrated wrinkled flower-like morphology, as-prepared material showed high specific capacitance 420 F g-1 an energy density 14.58 Wh kg-1 0.5 M Na2SO4 electrolyte in symmetric two-electrode. With successful intercalation γ-MnO2 α-Ni(OH)2 between surface layers,...

Incorporation of dicarboxylate nanocrystalline cellulose (DCNC) and dialdehyde (DANC) into poly(acrylic acid) (PAA) hydrogel remarkably improved the mechanical performance.

Abstract Polylactic acid (PLA) biopolymer appears to provide environmental advantages over the petroleum‐derived polymers but often ends up with limited applications owing their poor mechanical performance and brittleness. Herein, we present a PLA polymer compatible graphene oxide (GO) based crosslinker intention of improving properties. Lactic (LA) functionalized GO (GO‐LA) was prepared had been crosslinked chains through one‐step polycondensation reaction. The properties as‐synthesized...

A variety of methods for removing heavy metal ions from wastewater have been developed but because their low efficiency, further production toxic sludge or other waste materials, high expense, and lengthy procedures, limited progress has achieved to date. Polymeric hydrogel attracting particular attention the effective removal wastewater. Here, ionogenic polymeric hydrogels were prepared by free-radical copolymerization a neutral acrylamide (AAm) monomer with an ionic comonomer in presence...

Development of efficient and environmentally benign materials is important to satisfy the increasing demand for energy storage materials. Nanostructured transition-metal oxides are attractive because their variety in morphology, high conductivity, theoretical capacitance. In this work, nanostructured MnO2 was successfully fabricated using a gel formation process followed by calcination at 400 °C (MNO4) 700 (MNO7) presence air. The suitability prepared electrochemical capacitor application...

Abstract Hydrogels are emerging as one of the most attractive water‐containing polymeric materials for many biomedical and industrial engineering applications. Cellulose nanocrystals (CNC) often used filler material to overcome drawbacks conventional hydrogels. However, weak frictional interaction CNC with backbone hydrogels in presence water has limited its Herein, we report a mussel‐inspired preparation new bio‐based nano‐filler by grafting dopamine (DOPA) over carboxylated cellulose...

Through the implementation of photovoltaic ongrids, this initiative seeks to alleviate energy difficulties in nations like Bangladesh. The adoption renewable sources is increasingly popular globally due environmental concerns, limited fossil fuels, and shifting prices. Our main focus our research, on a solar PV system model connected grid Pashchim Khabashpur, Faridpur, Using PVsyst simulation software, we analyze system's efficiency loss. According Standard Test Condition (STC) efficiency,...

Obesity is a metabolic condition that accounts for life-threatening disorders like cancer, cardiovascular diseases, and type 2 diabetes. There are several anti-obesity drugs currently available on the market, but many of them show poor bioavailability due to low water solubility. Several attempts have been made by researchers improve solubility orally administered drugs, did not work properly. Herein, we introduced block copolymer micelle consisting poly (lactic acid)-co-poly (ethylene...

Electrochemical capacitor devices with conventional 2D-graphene sheets (2D-rGO) often demonstrate poor performance, especially in cyclability due to the lamellar stacking and agglomeration of electrode materials. Herein, we have proposed that crushed 3D-graphene (c-3D-rGO) can overcome limitations. A simplistic way prepare 3D-crushed graphene structures has been presented utilizing metal rGO core–shell (Ni@rGO) followed by acid leaching. The electrochemical performances prepared c-3D-rGO...