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Tailored topotactic chemistry unlocks heterostructures of magnetic intercalation compounds.
Nat Commun
January 2025
Department of Chemistry, University of California, Berkeley, CA, USA.
The construction of thin film heterostructures has been a widely successful archetype for fabricating materials with emergent physical properties. This strategy is of particular importance for the design of multilayer magnetic architectures in which direct interfacial spin-spin interactions between magnetic phases in dissimilar layers lead to emergent and controllable magnetic behavior. However, crystallographic incommensurability and atomic-scale interfacial disorder can severely limit the types of materials amenable to this strategy, as well as the performance of these systems.
View Article and Find Full Text PDFPlant Oil Nano-Emulsions as a Potential Solution for Pest Control in Sustainable Agriculture.
Neotrop Entomol
January 2025
Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, 21545-El-Shatby, Alexandria, Egypt.
The increasing demand for sustainable and eco-friendly pest control methods has led to a growing interest in the development of novel, plant-based pesticides. In this study, we investigated the potential of nano-emulsions containing plant oils (Portulaca oleracea, Raphanus sativus, and Rosmarinus officinalis) as a new approach for controlling three major pests: Aphis gossypii, Spodoptera littoralis, and Tetranychus urticae. Using ultrasonication, we prepared stable and uniform nano-emulsions characterized by thermodynamic properties, dynamic light scattering (DLS), and transmission electron microscopy (TEM).
View Article and Find Full Text PDFFucoidan and chitosan electrostatically coated nanoliposomes enhance physicochemical stability and bioavailability of rutin.
Int J Biol Macromol
January 2025
School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China. Electronic address:
Rutin, a promising bioactive hydrophobic compound, suffers from poor physicochemical stability, resulting in low bioavailability. Herein, we used positively charged chitosan and negatively charged fucoidan as biopolymers coating rutin-nanoliposome (RNL) via electrostatic layer-by-layer self-assembly approach to prepare fucoidan/chitosan-coated rutin-nanoliposome (FC-RNL). The FC-RNL exhibited the encapsulation efficiency of 77.
View Article and Find Full Text PDFSynthesis of waterborne polyurethane-carboxymethyl chitosan cross-linked biodegradable bio-based porous materials for the adsorption of methylene blue.
Int J Biol Macromol
January 2025
State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China; Faculty of Light Industry, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China.
The development of green and cost-effective biomass adsorbents is necessary for removing large amounts of dyes from wastewater. In this study, polyurethane prepolymers were synthesized using polycaprolactone diol (OH-PCL-OH), isophorone diisocyanate, and 2,2-dihydroxymethylpropionic acid, which were subsequently dispersed in aqueous carboxymethyl chitosan (CMCS) solution to produce waterborne polyurethane (WPU)-CMCS porous materials. The adsorbent was characterized by scanning electron microscopy (SEM), Fourier transform infrared spectrometer (FT-IR), thermogravimetric (TGA) and mercury intrusion porosimetry (MIP).
View Article and Find Full Text PDFLow Voltage Electron Microscopy: An Emerging Tool for AAV Characterization.
J Pharm Sci
January 2025
Formerly with Spark Therapeutics, Inc., 3025 Market Street, Philadelphia, PA, 19104.
Transmission electron microscopy has become a standard characterization tool for adeno-associated virus-based gene therapy products. However, cost and expertise requirements place in-house traditional transmission electron microscope systems out of reach for many companies in the field. Recently developed low voltage electron microscopes can fulfill many of the needs for adeno-associated virus characterization at a fraction of the cost.
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