Review of nanomembranes: materials, fabrications and applications in tissue engineering (bone and skin) and drug delivery systems

Cigane, Urte; Palevičius, Arvydas; Janušas, Giedrius

doi:10.1007/s10853-021-06164-x

Cited by 12 publications

(7 citation statements)

References 138 publications

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“…In addition to swelling degree, porosity is another important factor affecting the scaffold material. High porosity is more conducive to drug delivery and cell proliferation and migration. − In addition to the good swelling rate, the porous materials prepared by PEG ( M w = 20k) also have higher porosity, and the porosity of PLGA-PEG 20k can reach 75%. The SEM images of porous PLGA-PEG with PEG molar weights of 2k, 6k, and 20k are given in Figure .…”

Section: Results and Discussionmentioning

confidence: 99%

Fabrication of Porous Crystalline PLGA-PEG Induced by Swelling during the Recrystallization Annealing Process

Dai

Tan

Min

et al. 2021

ACS Biomater. Sci. Eng.

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Poly(lactide-co-glycolide) (PLGA) has been widely used as a scaffold material for tissue engineering owing to its biocompatibility, biodegradability, and biosafety. However, lactic acid (LA) produced during PLGA degradation is prone to inflammation, which is a shortcoming that must be avoided. To this end, crystalline PLGA-PEG was synthesized here for the first time. To make the crystalline PLGA-PEG more suitable for tissue engineering, porous crystalline PLGA-PEG was prepared via the swelling behavior during recrystallization annealing. The structure and properties of the porous crystalline PLGA-PEG were confirmed by SEM, POM, and XRD. Furthermore, the swelling behavior of different PEG molecular weights was studied, and the cell viability test and alkaline phosphatase activity test showed that PLGA-PEG has good biocompatibility. Such a porous crystalline PLGA-PEG will make PLGA have a broader application prospect in bone repair.

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Section: Results and Discussionmentioning

confidence: 99%

Fabrication of Porous Crystalline PLGA-PEG Induced by Swelling during the Recrystallization Annealing Process

Dai

Tan

Min

et al. 2021

ACS Biomater. Sci. Eng.

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“…Among multitudinous methods to functionalize nanomembranes and generally quasi-2D structures by nano-scatterers for optical purposes (see, e.g., [ 9 ] or [ 10 ]), we opt to present in Figure 1 what is probably the most often used top-down method: the sacrificial etching. This figure is a general illustration of the methodology predominantly used to fabricate freestanding nanomembranes.…”

Section: Methodsmentioning

confidence: 99%

“…To this purpose, a vast number of materials and processes have been used that are not met in biological structures. A plethora of research results have been achieved in this way: novel mechanical, electrical, chemical, biochemical, optical, plasmonic properties and many more, many of them peculiar and seemingly counterintuitive [ 9 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

Bio-Inspired Nanomembranes as Building Blocks for Nanophotonics, Plasmonics and Metamaterials

2022

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Nanomembranes are the most widespread building block of life, as they encompass cell and organelle walls. Their synthetic counterparts can be described as freestanding or free-floating structures thinner than 100 nm, down to monatomic/monomolecular thickness and with giant lateral aspect ratios. The structural confinement to quasi-2D sheets causes a multitude of unexpected and often counterintuitive properties. This has resulted in synthetic nanomembranes transiting from a mere scientific curiosity to a position where novel applications are emerging at an ever-accelerating pace. Among wide fields where their use has proven itself most fruitful are nano-optics and nanophotonics. However, the authors are unaware of a review covering the nanomembrane use in these important fields. Here, we present an attempt to survey the state of the art of nanomembranes in nanophotonics, including photonic crystals, plasmonics, metasurfaces, and nanoantennas, with an accent on some advancements that appeared within the last few years. Unlimited by the Nature toolbox, we can utilize a practically infinite number of available materials and methods and reach numerous properties not met in biological membranes. Thus, nanomembranes in nano-optics can be described as real metastructures, exceeding the known materials and opening pathways to a wide variety of novel functionalities.

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“…Recently, many methods have been developed for membrane fabrication, such as vacuum filtration, spin‐coating, interfacial polymerization, in‐situ growth, dip coating, and spray coating (Figure 2A–F). [27–32] For novel nanocomposite membranes, there exists a strong correlation between the method employed for membrane fabrication, the characteristics of the resulting membranes, and their performance [28] . Due to the significant influence that different fabrication processes exert on the properties of asymmetric porous alumina membranes, we hereby present a summary of three commonly used methods: vacuum filtration, spin coating, and interfacial polymerization.…”

Section: Fabricationmentioning

confidence: 99%

Asymmetric Nanoporous Alumina Membranes for Nanofluidic Osmotic Energy Conversion

Zhang,

Wang,

Wang

et al. 2023

Chemistry An Asian Journal

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The potential of harnessing osmotic energy from the interaction between seawater and river water has been recognized as a promising, eco‐friendly, renewable, and sustainable source of power. The reverse electrodialysis (RED) technology has gained significant interest for its ability to generate electricity by combining concentrated and diluted streams with different levels of salinity. Nanofluidic membranes with tailored ion transport dynamics enable efficient harvesting of renewable osmotic energy. In this regard, anodic aluminum oxide (AAO) membranes with abundant nanochannels provide a cost‐effective nanofluidic platform to obtain structures with a high density of ordered pores. AAO can be utilized in constructing asymmetric composite membranes with enhanced ion flux and selectivity to improve output power generation. In this review, we first present the fundamental structure and properties of AAO, followed by summarizing the fabrication techniques for asymmetric membranes using AAO and other nanostructured materials. Subsequently, we discuss the materials employed in constructing asymmetric structures incorporating AAO while emphasizing how material selection and design can resist and promote efficient energy conversion. Finally, we provide an outlook on future applications and address the challenges that need to be overcome for successful osmotic energy conversion.

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Review of nanomembranes: materials, fabrications and applications in tissue engineering (bone and skin) and drug delivery systems

Cited by 12 publications

References 138 publications

Fabrication of Porous Crystalline PLGA-PEG Induced by Swelling during the Recrystallization Annealing Process

Fabrication of Porous Crystalline PLGA-PEG Induced by Swelling during the Recrystallization Annealing Process

Bio-Inspired Nanomembranes as Building Blocks for Nanophotonics, Plasmonics and Metamaterials

Asymmetric Nanoporous Alumina Membranes for Nanofluidic Osmotic Energy Conversion

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