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In situ biosynthesis of functionalized fluorescent bacterial cellulose.
Int J Biol Macromol
January 2025
Institute of Chemicobiology and Functional Materials, School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei, Nanjing 210094, China. Electronic address:
Bacterial cellulose (BC) is a porous biopolymer synthesized via microbial fermentation. BC exhibits remarkable properties and is widely utilized in diverse applications. Despite all its merits, BC is constrained by certain performance limitations.
View Article and Find Full Text PDFDesign of an injectable magnetic hydrogel with porous structure and electrocatalytic activity for the sensitive electrochemical detection of nitrite in foods.
Food Chem
January 2025
College of Food Science and Engineering, Shandong Agricultural University, Taian 271018, People's Republic of China. Electronic address:
Herein, we synthesized a novel injectable porous magnetic hydrogel (MHG) at room temperature using carboxymethyl chitosan (CMCS), polydopamine (PDA), sodium alginate (SA), polyethyleneimine (PEI) and copper ferrite (CuFeO) as building blocks. The CMCS and SA as monomers provided good film-forming and anti-fouling properties for MHG. The PDA-coated CuFeO as a cross-linking agent improved the homogeneity, adsorption and electrocatalytic performance of MHG, but also generated a macroporous hydrogel structure which was beneficial for sensing applications.
View Article and Find Full Text PDFChemometrics-powered spectroscopic techniques for the measurement of food-derived phenolics and vitamins in foods: A review.
Food Chem
January 2025
College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, PR China; School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China. Electronic address:
Foods are rich in various bioactive compounds, like phenolics, and vitamins, which play important physiological roles in the human body. The analysis of phenolics and vitamins in plant and animal-based foods is a topic of growing interest. Compared with conventional methods, the chemometrics-powered infrared, Fourier transform-near infrared and mid-infrared, ultraviolet-visible, fluorescence, and Raman spectroscopy offer a reliable, low-cost, and nondestructive means to determine phenolics and vitamins.
View Article and Find Full Text PDFEnhanced chemiluminescence of luminol via InS/MXene composite as a novel Co-reactant accelerator for UV-filter Benzophenone-3 determination.
Talanta
January 2025
Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Biomedical Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China. Electronic address:
In this study, a novel In₂S₃/MXene composite was developed as a co-reactant accelerator to enhance the chemiluminescence (CL) performance of the classical luminol-H₂O₂ system. The In₂S₃ and MXene heterojunction catalyzed the CL reaction through synergistic effect, facilitating the generation of reactive oxygen species and increasing CL intensities. This enhanced system was applied for the first time to detect an ultraviolet (UV) filter-benzophenone-3 (BP-3) by leveraging its light absorption property.
View Article and Find Full Text PDFSyringic acid protective role: Combatting oxidative stress induced by UVB radiation in L-929 fibroblasts.
J Photochem Photobiol B
January 2025
Post-Graduate Program in Pharmaceutical Sciences, State University of Maringá, Maringá, Paraná, Brazil. Electronic address:
Neglecting proper skin care and repeated exposure to ultraviolet (UV) radiation can have serious consequences, including skin burns, photoaging and even the development of skin cancer. UV radiation-induced damage is mediated by highly unstable and reactive molecules, named reactive oxygen species (ROS). To counteract ROS, the skin has an endogenous antioxidant system.
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