Polystyrene-block-poly(2-cinnamoylethyl methacrylate) Nanofibers—Preparation, Characterization, and Liquid Crystalline Properties

Liu, Guojun; Ding, Jianfu; Qiao, Lijie; Guo, Andrew; Dymov, B. P.; Gleeson, J. T.; Hashimoto, T.; Saijo, Kenji

doi:10.1002/(sici)1521-3765(19990903)5:9<2740::aid-chem2740>3.3.co;2-m

Cited by 16 publications

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“…Nanofibers matrices can be produced by self-assembly approach [58][59][60][61]. Hartgerink et al reported the effect of variations in the molecular structure of the Pas on the selfassembled nanofibers.…”

Section: Self-assemblymentioning

confidence: 99%

“…This study also introduced three different methods of forming self-assembled PAs, including pH-controlled self-assembly, drying on surface induced self-assembly, and divalent-ion-induced self-assembly [60] Synthetic polymer nanofibers have been prepared by self assembly of diblock polymers (AnBm) when the two blocks segregate from one another in bulk owing to their incompatibility. The volume fraction of A and B can be controlled to obtain cylinder shaped B domains, with nanoscaled diameter, embedded in a continuous matrix of A [59][60][61]. Liu et al reported self-assembly of polyphenylene dendrimers into micrometer-long nanofibers.…”

Section: Self-assemblymentioning

confidence: 99%

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Nanofibers‐based Biomedical Devices

Mondal

Tiwari

2012

Intelligent Nanomaterials

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Polymer fibers have been employed in many biomedical applications -for example, sutures, tissue engineering matrices, gauzes and bandages, and drug delivery devices. These are made of either non-biodegradable polymers or biodegradable polymers, such as poly (lactide-co-glycolide). Nanofiber-based materials have several advantages compared to conventional fibers. In particular, they represent a very large surface area to volume ratio, high porosity, and variable pore-size distribution. Additionally, the surface functionality is possible to influence, and various morphologies are achievable, including nanotubes. Recently, electrospun nanofiber matrices have garnered a lot of attention and shown great potential in biomedical applications. The three-dimensional synthetic biodegradable scaffolds are designed utilizing nanofibers to serve as an excellent framework for cell adhesion, proliferation, and differentiation. Physiochemical properties of nanofiber scaffolds can be governed by manipulating electrospinning parameters to meet the demands of a specific applications. Various attempts have been made to modify nanofiber surfaces with several bioactive molecules to allow cells with the requisite chemical cues and a more in vivo -like environment. Nanofibers have been used as scaffolds for skin tissue engineering, musculoskeletal tissue engineering (bone, cartilage, ligament, and skeletal muscle), vascular tissue engineering, neural tissue engineering, and as carriers for the controlled

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Section: Self-assemblymentioning

confidence: 99%

Section: Self-assemblymentioning

confidence: 99%

Nanofibers‐based Biomedical Devices

Mondal

Tiwari

2012

Intelligent Nanomaterials

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“…The existence of such a core-shell structure in these fibers was confirmed from TEM studies of selectively stained samples (see inset in Figure 15.7b). These nanofibers, due to their very high aspect ratio, were shown to exhibit interesting lyotropic liquid crystalline properties similar to those exhibited by rigid-rod macromolecules such as KEVLAR [37]. The possibility of transforming these into carbon nanofilaments, by subsequent pyrolysis, opens up some exciting possibilities for preparing carbon filaments of precisely controllable diameters.…”

Section: Morphology Of Block Copolymersmentioning

confidence: 99%

Nanostructured Polymers

Ramakrishnan

2004

The Chemistry of Nanomaterials

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“…Several techniques, such as drawing [5], template synthesis [6,7], phase separation [8], selfassembly [9][10][11], and electrospinning [12,13], have been developed to generate nanofibers. Among them, solution electrospinning is a simple, inexpensive, and straightforward method for generating the polymer nanofibers, and it represents an important technological innovation for the nonwoven and textile industries.…”

Section: Introductionmentioning

confidence: 99%

Enhanced mechanical properties and pre-tension effects of polyurethane (PU) nanofiber filaments prepared by electrospinning and dry twisting

et al. 2012

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We studied the mechanical properties of polyurethane (PU) nanofiber filaments prepared by electrospinning and dry twisting, and compared them with those of the corresponding nonwoven PU nanofiber webs. The morphologies and mechanical properties of the nonwoven PU nanofiber webs and the corresponding PU nanofiber filaments were investigated by scanning electron microscopy (SEM) and through the use of a universal testing machine (UTM), respectively. The tensile strength and the Young's modulus of the nanofiber filaments improved dramatically as the number of twists or the width of the nanofiber webs was increased compared with the nonwoven PU nanofibers. Moreover, it was found that applying pre-tension was an effective method of increasing the mechanical properties of PU nanofiber filaments.

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Polystyrene-block-poly(2-cinnamoylethyl methacrylate) Nanofibers—Preparation, Characterization, and Liquid Crystalline Properties

Cited by 16 publications

References 0 publications

Nanofibers‐based Biomedical Devices

Nanofibers‐based Biomedical Devices

Nanostructured Polymers

Enhanced mechanical properties and pre-tension effects of polyurethane (PU) nanofiber filaments prepared by electrospinning and dry twisting

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