Adhesive and biodegradable membranes made of sustainable catechol-functionalized marine collagen and chitosan

Correia, Cátia; Sousa, Rita O.; Vale, Ana Catarina; Peixoto, Daniela; Silva, Tiago H.; Reis, Rui L.; Pashkuleva, Iva; Alves, Natália M.

doi:10.1016/j.colsurfb.2022.112409

Cited by 29 publications

(15 citation statements)

References 61 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The amide I band results from stretching vibration of the peptide carbonyl group (CO); this band is composed of a double peak (Figure 7B ‐ right), the highest intensity at 1632 cm −1 , and another band at 1645 cm −1 due to polyproline conformation of collagen 51 . On the other hand, NH in‐plane bend and CN stretching amide II vibrations were noted at 1546 cm −1 (Figure 6 ‐ right); this vibrational mode is less sensitive to protein conformational elements 75,76 . The amide III is characterized by three main signals (1291, 1241, and 1998 cm −1 ) associated with CN stretching, NH bending, CC stretching, and CH bending vibrations.…”

Section: Resultsmentioning

confidence: 99%

Novel polycaprolactone (PCL)‐type I collagen core‐shell electrospun nanofibers for wound healing applications

et al. 2022

View full text Add to dashboard Cite

Type I collagen (Col_1) is one of the main proteins present in the skin extracellular matrix, serving as support for skin regeneration and maturation in its granulation stage. Electrospun materials have been intensively studied as the next generation of skin wound dressing mainly due to their high surface area and fibrous porosity. However, the electrospinning of collagen‐based solutions causes degradation of its structure. In this work, a coaxial electrospinning process was proposed to overcome this limitation. The production of mats of polycaprolactone (PCL)–Col_1/PVA (collagen/poly(vinyl alcohol)) composed of core‐shell nanofibers was investigated. PCL solution was used as the core solution, while Col_1/PVA was used as the shell solution. PVA was used to improve the processability of collagen, while PCL was employed to improve the mechanical properties and morphology of Col_1/PVA fibers. The morphology and the cytotoxicity of the fibers were highly dependent on the processing parameters. Defect‐free core‐shell nanofibers were obtained with a shell/core flow rates ratio = 4, flight distance of 12 cm, and an applied voltage of 16 kV. Using this strategy, the triple helix structure characteristic of the collagen molecule was preserved. Moreover, the common post‐processing of solvent removal could be suppressed, simplifying the manufacturing processing of these biomaterials. The nanostructured mats showed no cytotoxicity, high liquid absorption, structural stability, hydrophilic character, and collagen release capacity, making them a potential novel dressing for skin damage regeneration, in special in the case of chronic wounds treatment, in which exogenous collagen delivery is necessary.

show abstract

Section: Resultsmentioning

confidence: 99%

Novel polycaprolactone (PCL)‐type I collagen core‐shell electrospun nanofibers for wound healing applications

et al. 2022

View full text Add to dashboard Cite

show abstract

“…Keratin has specific functional groups, such as hydroxyl (-OH), carboxyl (-COOH), thiol (-SH), and amine (-NH 2 ) groups [ 79 ], and skin adhesion of the polymer composites can be obtained by inducing the interaction between these functional groups on the keratin surface. Among the various functional organic materials, catechol derivatives and glucose derivatives have been highlighted as biocompatible adhesives [ 81 , 82 , 83 , 84 ] ( Figure 3 a). For instance, dopamine, which was inspired by the mussel, exhibits excellent adhesive properties for tissue repair, drug delivery, and skin contact patches, due to its catechol groups [ 85 , 86 , 87 , 88 ].…”

Section: Materials For Biodegradable Polymeric Compositesmentioning

confidence: 99%

Biodegradable Polymer Composites for Electrophysiological Signal Sensing

2022

View full text Add to dashboard Cite

Electrophysiological signals are collected to characterize human health and applied in various fields, such as medicine, engineering, and pharmaceuticals. Studies of electrophysiological signals have focused on accurate signal acquisition, real-time monitoring, and signal interpretation. Furthermore, the development of electronic devices consisting of biodegradable and biocompatible materials has been attracting attention over the last decade. In this regard, this review presents a timely overview of electrophysiological signals collected with biodegradable polymer electrodes. Candidate polymers that can constitute biodegradable polymer electrodes are systemically classified by their essential properties for collecting electrophysiological signals. Moreover, electrophysiological signals, such as electrocardiograms, electromyograms, and electroencephalograms subdivided with human organs, are discussed. In addition, the evaluation of the biodegradability of various electrodes with an electrophysiology signal collection purpose is comprehensively revisited.

show abstract

“…Besides, dopamine modifies collagen, endowing the decellularized extracellular matrix (dECM) hydrogel with adhesion function. Catia Correia et al (Correia et al, 2022) described the development of a bio-adhesive membrane using a Marine renewable biomaterial, collagen extracted from fish skin. Collagen was functionalized with catechol group (Col-Cat), which made the membrane have good adhesion property in wet environment, and was mixed with chitosan, which improved the mechanical properties of the membrane.…”

Section: Current Challenges Of Bio-glue To Promote Recovery After Injurymentioning

confidence: 99%

Using extracellular matrix as the bio-glue for wound repair in the surgery

Zhou

Tang

Mei

et al. 2022

Front. Biomater. Sci.

View full text Add to dashboard Cite

Bio-glues are gaining ground in medical research to close wounds and fight infections. Among them, the most promising bio-glue is the one prepared from natural materials (fibrin, gelatin, polysaccharides, etc.). Most of these materials are components of the extracellular matrix (ECM) and possess excellent biocompatibility, biodegradability and mechanical strength, which facilitate wound repair. However, there are no studies that utilize the decellularized materials to prepare bio-glues. Outside the wound sealants, approaches that utilize the ECM scaffold to promote tissue repair show tremendous potential. Experimentally, it is unknown if ECM can be successfully transformed to the bio-glue, either alone or in combination with nature biomaterials. In this review, we outline the first attempts at the potential of using ECM to prepare bio-glue for wound repair during the surgery.

show abstract

Adhesive and biodegradable membranes made of sustainable catechol-functionalized marine collagen and chitosan

Cited by 29 publications

References 61 publications

Novel polycaprolactone (PCL)‐type I collagen core‐shell electrospun nanofibers for wound healing applications

Novel polycaprolactone (PCL)‐type I collagen core‐shell electrospun nanofibers for wound healing applications

Biodegradable Polymer Composites for Electrophysiological Signal Sensing

Using extracellular matrix as the bio-glue for wound repair in the surgery

Contact Info

Product

Resources

About