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Temporal succession of marine microbes drives plastisphere community convergence in subtropical coastal waters.
Environ Pollut
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Department of Ocean Science, The Hong Kong University of Science and Technology, Hong Kong SAR, China.
Marine plastic pollution is a pervasive environmental issue, with microplastics serving as novel substrates for microbial colonization in aquatic ecosystems. This study investigates the succession of plastisphere communities on four common plastic types (polyethylene, polypropylene, polyethylene terephthalate, and polystyrene) in subtropical coastal waters of Hong Kong SAR. Over a 42-day period, we analysed the temporal development of microbial communities using a three-domain universal metabarcoding method.
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Luminescence
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Department of Chemistry, Faculty of Science, Umm Al-Qura University, Makkah, Saudi Arabia.
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View Article and Find Full Text PDFPreparation of antibacterial cellulose nanocrystals-graft-poly[2-(tert-butylamino) ethyl methacrylate] nanoparticles and their applications on creating wound dressings with a bacterial shielding property.
Int J Biol Macromol
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Polymeric Biomaterials Laboratory, Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan. Electronic address:
Bacterial infections in wounds, especially in patients with chronic conditions like diabetic wounds, pose significant treatment challenges. Addressing the susceptibility to infection is crucial, and the development of functional dressings to prevent bacterial invasion has proven a promising strategy. Cellulose nanocrystals (CNCs), derived from bio-resources and functioning as nanoparticles (NPs), were modified with poly[2-(tert-butylamino) ethyl methacrylate] (PTA) through atom transfer radical polymerization (ATRP) to create CNCs-graft-PTA NPs (CNPs).
View Article and Find Full Text PDFMicroplastics and human health: unveiling the gut microbiome disruption and chronic disease risks.
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Multidisciplinary Research Unit, Jorhat Medical College and Hospital, Jorhat, Assam, India.
Microplastics (MPs), defined as plastic particles smaller than 5 mm, are increasingly recognized as environmental contaminants with potential health risks. These emerge as breakdown products of larger plastics and are omnipresent in marine, freshwater, and terrestrial ecosystems. They are primarily composed of polymers such as polyethylene, polypropylene, polystyrene, and additives that enhance their performance.
View Article and Find Full Text PDFBioinspired Janus Mesh with Mechanical Support and Side-specific Biofunctions for Hernia Repair.
Acta Biomater
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School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250021, China. Electronic address:
Postoperative adhesion (PA) caused by the combination of proteins, inflammatory response and bacterial infection poses substantial challenges for polypropylene meshes (PPMs) based hernioplasty. Herein, inspired by the peritoneum, a Janus PPMs with side-specific functions was developed via a surface-initiated photoiniferter-mediated polymerization technology. A physical barrier composed of zwitterionic polymer brushes (PS) was firstly constructed on the one side of the PPMs, while the polymethacrylic acid (PMAA) brushes acting as the linker for bioactive nanoparticles (HAP) were precisely situated on the opposite surface subsequently.
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