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A review of sodium alginate-based hydrogels: Structure, mechanisms, applications, and perspectives.
Int J Biol Macromol
December 2024
School of Physics and Electronic Information, Yan'an University, Yan'an 716000, China; Shaanxi Key Laboratory of Intelligent Processing for Big Energy Data, Yan'an 716000, China.
With the global emphasis on green and sustainable development, sodium alginate-based hydrogels (SAHs), as a renewable and biocompatible environmental material, have garnered widespread attention for their research and application. This review summarizes the latest advancements in the study of SAHs, thoroughly discussing their structural characteristics, formation mechanisms, and current applications in various fields, as well as prospects for future development. Initially, the chemical structure of SA and the network structure of hydrogels are introduced, and the impact of factors such as molecular weight, crosslinking density, and environmental conditions on the hydrogel structure is explored.
View Article and Find Full Text PDFBiodegradable sodium lignosulfonate-based superabsorbent hydrogels for disposable hygiene products based on hyperbranched polyetherpolyol crosslinkers.
Int J Biol Macromol
December 2024
College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, China. Electronic address:
Full bio-degradation of super absorbent hydrogels (SAHs), which possess excellent water uptake capacity, is still challenging. Based on Flory theory, this paper first analyzes that the high swelling property and gel strength of SHAs are attributed to the length of effective chain of crosslinker. Firstly, a series of hyperbranched crosslinker (HBC) with different molecular weights were designed and synthesized by anionic polymerization and sodium lignosulfonate (SL), which owns a hydrophilic network and remarkable biodegradation properties, was selected as a monomer.
View Article and Find Full Text PDFGeneration and validation of antibody 42B1 recognizing galactose-deficient IgG for diagnosis of chronic inflammatory diseases.
Clin Chim Acta
January 2025
Department of Molecular Biochemistry and Clinical Investigation, Graduate School of Medicine, Osaka University, 1-7 Yamada-oka, Suita, Osaka 565-0871, Japan. Electronic address:
Galactose-deficient (agalactosyl) IgG is significantly increased in the serum of patients with rheumatoid arthritis, and autoantibodies against it are used in clinical tests. Subsequent studies also show increased agalactosyl IgG in many chronic inflammatory diseases. In this study, we generated antibody 42B1 recognizing agalactosyl IgG and developed a new method to evaluate chronic inflammatory diseases with it.
View Article and Find Full Text PDFGenetic and epigenetic factors affecting carotid intima-media thickness in monozygotic twins.
Gene
February 2025
Department of Clinical Laboratory and Biomedical Sciences, Osaka University Graduate School of Medicine, Yamadaoka 1-7, Suita, Osaka, Japan; Center for Twin Research, Osaka University Graduate School of Medicine, Yamadaoka 1-7, Suita, Osaka, Japan. Electronic address:
Article Synopsis
- The study investigates the relationship between carotid artery intima-media thickness (IMT), a marker for atherosclerosis, and genetic/epigenetic factors, particularly focusing on monozygotic twins.
- Using ultrasonography and various genetic analyses, researchers found significant associations between specific single nucleotide polymorphisms (SNPs) and DNA methylation patterns affecting IMT.
- Findings suggest that certain genetic variants and methylation changes could help in personalized risk assessments for cardiovascular health related to carotid IMT.
Non-aneurysmal Subarachnoid Hemorrhage Due to an Aplastic or Twig-Like Middle Cerebral Artery Diagnosed by Cone Beam CT and M1 Selective Angiography: A Case Report.
Cureus
September 2024
Department of Neurosurgery, Osaka Medical and Pharmaceutical University, Takatsuki, JPN.
A non-aneurysmal subarachnoid hemorrhage (SAH) due to an aplastic or twig-like middle cerebral artery (Ap/T-MCA) is extremely rare. We describe a case of a non-aneurysmal SAH due to an Ap/T-MCA. A 38-year-old female patient experienced a sudden severe headache and was admitted to our hospital.
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