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Chiroptical Effect in Charge Transfer Processes in Chiral Carbon Dot-Doped Biopolymers: Application Toward Developing Chiral Electrodes
2023 / The Journal of Physical Chemistry CThe unique chiral properties exhibited by nanoscale materials and their preferable interactions with the helicity of free-standing protein-based biopolymers offer a novel platform for developing spintronic applications. We investigated the chiroptical effect in charge transfer processes in a chiral carbon dot (C-Dot)-doped biopolymer, specifically a free-standing p...
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Hybrid GO/TiO2 nanoparticles reinforced NaAlg/PVA blend: Nanocomposites for high-performance energy storage devices
2023 / Polymers Advanced TechnologiesIn this study, novel flexible polymer nanocomposite films formed of polyvinyl alcohol (PVA), sodium alginate (NaAlg), titanium dioxide (TiO2) and graphene oxide (GO) as nanofiller are fabricated by using casting method. The PVA/NaAlg-GO/TiO2 nanocomposite films are characterized using various techniques. The synergistic effects of GO/TiO2 on the electrical, diele...
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Effect of Multiwalled Carbon Nanotube Contents on Photophysical Properties of Poly-TPD/MWCNT Nanocomposites
2023 / Journal of Inorganic and Organometallic Polymers and MaterialsTuning photophysical properties of poly[bis(4-butypheny)-bis(phenyl)benzidine] (poly-TPD) by addition multi walled carbon nanotubes (MWCNTs) with different weight ratios is demonstrated. The solution blending method followed by spin coating technique was used to successfully prepare thin films of poly-TPD/MWCNTs. Fourier transform infrared spectroscopy (FTIR) rev...
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Effect of the blend ratio of cyclic and linear polyethylene blends on isothermal crystallization in the quiescent state
2023 / Polymer JournalThe role of entanglements that form between cyclic and linear polymers in crystallization is of particular interest, but it is not fully understood. We investigated the crystallization behaviors of blends of cyclic polyethylene (C-PE) and linear polyethylene (L-PE) in a quiescent state to elucidate the role of this novel entanglement in crystallization. The sampl...
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Bending Fatigue Analysis of Various Polymer Films by Real-Time Monitoring of the Radius of Curvature and Heat Generation
2023 / The Journal of Physical Chemistry CUnderstanding the fatigue behavior of polymer films under cyclic bending is essential to the design of suitable substrates for flexible electronics. However, bending fatigue remains unclear due to the lack of comprehensive and quantitative investigations across various polymer films. Herein, we quantitatively investigate the bending fatigue behavior of various poly...
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Pea Protein-Based Bioplastics Crosslinked with Genipin: Analysis of the Crosslinking Evolution
2023 / Journal of Polymers and The EnvironmentReplacing conventional plastics with other products obtained from biobased and biodegradable raw materials is an increasingly studied solution. In this line, the development of protein-based bioplastics is a promising alternative. However, for some applications, such as packaging it would be necessary to improve their properties by including an additional stage t...
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Morphogenesis of starfish polymersomes
2023 / Nature CommunicationsThe enhanced membrane stability and chemical versatility of polymeric vesicles have made them promising tools in micro/nanoreactors, drug delivery, cell mimicking, etc. However, shape control over polymersomes remains a challenge and has restricted their full potential. Here we show that local curvature formation on the polymeric membrane can be controlled by app...
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Multi-chiral materials comprising metallosupramolecular and covalent helical polymers containing five axial motifs within a helix
2023 / Nature CommunicationsSupramolecular and covalent polymers share multiple structural effects such as communication mechanisms among monomer repeating units, which are related to their axial helical structure. Herein, a unique multi-helical material combining information from both metallosupramolecular and covalent helical polymers is presented. In this system, the helical structure de...
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Transparent and flexible photocatalytic film comprising organophosphonate-modified polysilsesquioxane-anchored titanium dioxide: hydroxy group ratio and organic substituent on phosphorous atoms
2023 / Polymer JournalTransparent and flexible photocatalytic films have attracted considerable attention in recent years. We previously prepared a film with titanium dioxide (TiO2) and an anchor layer of phenylphosphonate-modified polysilsesquioxane (PhPPS-low), which had a phosphonate group and a phenyl substituent; this film exhibited transparency and flexibility. In this study, we...
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Approach to Circular Chemistry Preparing New Polyesters from Olive Oil
2023 / ACS OmegaThe transformation of cooking oils and their waste into polyesters is a challenge for circular chemistry. Herein, we have used epoxidized olive oil (EOO), obtained from cooking olive oil (COO), and various cyclic anhydrides (such as phthalic anhydride PA, maleic anhydride MA, and succinic anhydride SA) as raw materials for the preparation of new bio-based polyester...
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Exploring Receptor Binding Affinities and Hepatic Cell Association of N-Acetyl-d-Galactosamine-Modified β-Cyclodextrin-Based Polyrotaxanes for Liver-Targeted Therapies
2023 / BiomacromoleculesAcid-degradable polyrotaxanes (PRXs) containing threading β-cyclodextrins (β-CDs) are promising candidates for therapeutic applications of β-CDs in metabolic diseases with cholesterol overload or imbalance. To improve cellular uptake specificity and efficiency of PRXs in hepatocytes, N-acetyl-d-galactosamine (GalNAc)-modified PRXs were developed to f...
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Wavelength engineerable porous organic polymer photosensitizers with protonation triggered ROS generation
2023 / Nature CommunicationsEngineering excitation wavelength of photosensitizers (PSs) for enhanced reactive oxygen species (ROS) generation has inspired new windows for opportunities, enabling investigation of previously impracticable biomedical and photocatalytic applications. However, controlling the wavelength corresponding to operating conditions remains challenging while maintaining ...
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3D-Printed Carrageenan-Based Nanocomposites for Force-Sensing Applications
2023 / Advanced Engineering MaterialsTechnological development is leading to an exponential growth in the implementation of sensors and actuators where the concern about environmental problems is also focusing on electronic waste (e-waste), which is composed of hazardous materials, corresponding to a large part of urban waste, and has a strong environmental impact. Therefore, more environmentally frie...
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Structural metamorphosis and photophysical properties of thermostable nano- and microcrystalline lanthanide polymer with flexible coordination chains
2023 / Science and Technology of Advanced MaterialsLuminescent lanthanide coordination polymer crystals (LCPCs) represent an area of growing interest in materials chemistry owing to their unique and tailorable functional properties. The LCPCs provide a high level of structural tunability, including size- and morphology-dependent properties; therefore, they are promising materials for next-generation phosphors in a ...
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Photoinduced healable hybrids based on anthracene-containing silsesquioxane nanoparticles
2023 / European Polymer JournalThe photoinduced healing of organic–inorganic hybrids, originating from spatiotemporal (cross-linked and non-cross-linked) control of the physical properties by reversible photodimerization of anthracene units covalently linked to silsesquioxane nanoparticles (SQ-NPs), was explored. Ultraviolet (UV) irradiation (365 nm) of multifunctional SQ-NPs, with a 9-ant...
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