Photothermal dual-responsive polymers for trypsin-free cell sheet harvesting

Ahmadi, Sina; Nasiri, Morteza

doi:10.1016/j.eurpolymj.2023.112060

European Polymer Journal

2023

DOI: 10.1016/j.eurpolymj.2023.112060

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Photothermal dual-responsive polymers for trypsin-free cell sheet harvesting

Sina Ahmadi

Morteza Nasiri

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Cited by 3 publications

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Multi‐Responsive Polymer Nanoparticles: A Versatile Platform for Double‐Security Anticounterfeiting and Smart Food Packaging

Alidaei‐Sharif,

Babazadeh‐Mamaqani,

Mohammadi‐Jorjafki

et al. 2024

Macromol. Rapid Commun.

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Potential applications of colloidal polymer nanoparticles in the preparation of smart inks are investigated by physical incorporation of the oxazolidine molecules. Precise adjusting the polymer chain flexibility and polarity is achieved by controlling the ratio of methyl methacrylate and butyl acrylate monomers in the polymerization reaction. In addition, nanofibrous indicators of acid–base vapors are prepared from the latex nanoparticles. This can be beneficial for creating materials that sense and respond to environmental changes, such as humidity or moisture and acidity. Thermochromic inks are prepared by microencapsulating crystal violet lactone dye (CVL) in polymer matrices to prevent their release into the aqueous media. Combining two distinct systems with varying triggers, such as light and temperature, provides an effective strategy for double‐encryption anticounterfeiting and crack and scratch detection and indication applications. Preparing labels impregnated with double‐responsive inks, a novel approach is developed for food spoilage detection and preservation indication. Labels are manufactured using polymer nanoparticles, which contain photoluminescent oxazolidine molecules, as well as a trinary mixture of CVL within core–shell latex particles as the thermochromic dye. The combination of these two responsive elements transforms traditional packaging into a dynamic and interactive sentinel for the food it holds.

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Multi‐Responsive Polymer Nanoparticles: A Versatile Platform for Double‐Security Anticounterfeiting and Smart Food Packaging

Alidaei‐Sharif,

Babazadeh‐Mamaqani,

Mohammadi‐Jorjafki

et al. 2024

Macromol. Rapid Commun.

View full text Add to dashboard Cite

show abstract

Surface properties and cell-surface interaction of polystyrene-graft-poly(2-hydroxyethyl methacrylate)

Jafari,

Nasiri,

Abbasi

et al. 2024

Progress in Organic Coatings

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The potential of microalgal sources as coating materials: A case study for the development of biocompatible surgical sutures

Tokgöz,

Yarkent,

Köse

et al. 2023

Letters in Applied Microbiology

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Sutures are considered as surgical materials that form excellent surfaces to integrate the postoperative parts of the body. These materials present suitable platforms for potential bacterial penetrations. Therefore, coating these biomedical materials with biocompatible compounds is seen as a potential approach to improve their properties while avoiding adverse effects. The aim of this study was to evaluate Arthrospira platensis, Haematacoccus pluvialis, Chlorella minutissima, Botyrococcus braunii and Nostoc muscorum as potential surgical suture coating materials. Their crude extracts were absorbed into two different sutures as poly glycolic (90%)-co-lactic acid (10%) (PGLA) and poly dioxanone (PDO); then, their cytotoxic effects and antibacterial activities were examined. Both N. muscorum-coated sutures (PGLA and PDO) and A. platensis-coated (PGLA and PDO) sutures did not induce any toxic effect on L929 mouse fibroblast cells (>70% cell viability). The highest antibacterial activity against Staphylococcus aureus was achieved with N. muscorum-coated PGLA, and A. platensis-coated PGLA as 11.18 ± 0.54 mm, and 9.52 ± 1.15 mm, respectively. These sutures were examined by mechanical analyses, and found suitable according to ISO 10993–5. In comparison with the commercial antibacterial agent (chlorohexidine), the results proved that N. muscorum extract can be considered as the most promising suture coating material for the human applications.

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Photothermal dual-responsive polymers for trypsin-free cell sheet harvesting

Cited by 3 publications

References 53 publications

Multi‐Responsive Polymer Nanoparticles: A Versatile Platform for Double‐Security Anticounterfeiting and Smart Food Packaging

Multi‐Responsive Polymer Nanoparticles: A Versatile Platform for Double‐Security Anticounterfeiting and Smart Food Packaging

Surface properties and cell-surface interaction of polystyrene-graft-poly(2-hydroxyethyl methacrylate)

The potential of microalgal sources as coating materials: A case study for the development of biocompatible surgical sutures

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