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Alginate Heterografted Copolymer Thermo-Induced Hydrogel Reinforced by PAA-g-P(boc-L-Lysine): Effects on Hydrogel Thermoresponsiveness.
Polymers (Basel)
December 2024
Department of Chemical Engineering, University of Patras, 26500 Patras, Greece.
In this article, we report on the alginate heterografted by Poly(N-isopropyl acrylamide-co-N-tert-butyl acrylamide) and Poly(N-isopropyl acrylamide) (ALG-g-P(NIPAM86-co-NtBAM14)-g-PNIPAM) copolymer thermoresponsive hydrogel, reinforced by substituting part of the 5 wt% aqueous formulation by small amounts of Poly(acrylic acid)-g-P(boc-L-Lysine) (PAA-g-P(b-LL)) graft copolymer (up to 1 wt%). The resulting complex hydrogels were explored by oscillatory and steady-state shear rheology. The thermoresponsive profile of the formulations were affected remarkably by increasing the PAA-g-P(b-LL) component of the polymer blend.
View Article and Find Full Text PDFChemoselective Stabilized Triphenylphosphonium Probes for Capturing Reactive Carbonyl Species and Regenerating Covalent Inhibitors with Acrylamide Warheads in Cellulo.
J Am Chem Soc
January 2025
Department of Chemistry and Center for Emerging Material and Advanced Devices, National Taiwan University, Taipei 106319, Taiwan (R.O.C.).
Reactive carbonyl species (RCS) are important biomarkers of oxidative stress-related diseases because of their highly reactive electrophilic nature. Despite their potential as triggers for prodrug activation, selective labeling approaches for RCS remain limited. Here, we utilized triphenylphosphonium groups to chemoselectively capture RCS via an aqueous Wittig reaction, forming α,β-unsaturated carbonyls that enable further functionalization.
View Article and Find Full Text PDFInvestigation of Maillard reaction products in plant-based milk alternatives.
Food Res Int
December 2024
Department of Food Science, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark; Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark. Electronic address:
Over the past decade, plant-based milk alternatives (PBMAs) have gained increasing popularity. Several processing technologies, including heat treatment, are usually employed during their production in order to replicate the properties of cow's milk. These processes can trigger the Maillard reaction, producing Maillard reaction products (MRPs) and amino acid cross-links, which may alter the nutritional profile and digestibility of PBMAs.
View Article and Find Full Text PDFBiofabricated zinc oxide nanoparticles mitigate acrylamide-induced immune toxicity and modulate immune-related genes and microRNA in rats.
Naunyn Schmiedebergs Arch Pharmacol
November 2024
Histology and Cell Biology, Faculty of Medicine, Kafr Elsheikh University, Kafr Elsheikh, Egypt.
This study evaluated the potential efficacy of eco-friendly biofabricated zinc oxide nanoparticles (GS-ZnONP) (10 mg/kg b.wt) to reduce the impacts of long-term oral acrylamide (ALD) exposure (20 mg/kg b.wt) on the blood cells, immune components, splenic oxidative status, and expression of CD20, CD3, CD4, CD8, TNF-α, caspase-3, microRNA-181a-5p, and microRNA-125-5p in rats in a 60-day experiment.
View Article and Find Full Text PDFGlial fibrillary acidic protein and S100b protein immunoreactivity in the hippocampus of weaning rats from dams treated with acrylamide during pregnancy.
Folia Neuropathol
November 2024
Department of Animal Anatomy and Histology, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Lublin, Poland.
Acrylamide is formed at high temperature during preparation of food rich in carbohydrates. It can be found in animal feed based on potatoes and granulated wheat subjected to thermal treatment. It was demonstrated that acrylamide has a neurotoxic effect in newborn animals in both the central and peripheral nervous system after prenatal exposure to this substance.
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