نتایج جستجو برای: electrospun nanofiber
تعداد نتایج: 8676 فیلتر نتایج به سال:
Introduction The clinical application of nanotechnology and nanofiber scaffolds especially has been boosted in the last years. Until now no data exist regarding the vascularisation of such electrospun nanofiber scaffolds in vivo, especially not on the necessary duration of prevascularisation which would then mark the best time point for secondary cell implantation. Since this period of vascular...
In this study, Poly (L-lactic acid)/Captopril composite nanofiber membranes were electrospun for drug delivery. Different mass fractions of Poly (L-lactic acid), different ratios of Captopril and the influences of PEG4000 added in the spinning solution are discussed. The morphology, chemical components, the surface areas and pore sizes, wettability of the composite nanofiber membranes were inve...
An investigation of the influence of droplet size conditions and monomer choice on electrospun carbon nanofiber properties is presented. Monomer choices included poly (ε-caprolactone) and poly (methyl methacrylate) with and without the addition of single walled carbon nanotubes. A key property under investigation is the effect of electrospinning conditions on the resulting carbon nanofiber elas...
Objective(s): Polymeric nanofiber has a huge potential for a various biomedical applications such as wound healing and orthopedic implant. Since most of the future applications of therapeutic nanofiber are interacting with human blood components, it is important to investigate hemocompatibility. Methods: In this study, nanofibers with antibacterial properties were synthesizedby elec...
Objectives: The aim of this study was to determine the feasibility of a portable electrospinning device for the application of wound dressings. Approach: Four polymer nanofibers dressings were applied on superficial partial thickness wounds to a porcine model and compared with a traditional paraffin tulle gras dressing. The polymer nanofibrous dressings were applied using a handheld portable el...
objective(s): in this work, electrospun nanofibers were explored as drug delivery vehicles using tetracycline as a model drug. nanocomposite fibers including chitosan (cs)/poly (ethylene oxide) (peo) and antibiotic were successfully prepared using electrospinning. cs blended with peo considering a weight ratio of (90/10), and then, nanofibrous samples were successfully electrospun from their a...
In this communication, a fluorescent gold cluster incorporated electrospun nanofibrous membrane and single nanofiber for selective and sensitive detection of TNT at sub-ppt level are demonstrated.
This study aims to develop a three-dimensional in vitro culture system to genetically engineer mesenchymal stem cells (MSC) to express bone morphogenic protein-2. We employed nanofabrication technologies borrowed from the spinning industry, such as electrospinning, to mass-produce identical building blocks in a variety of shapes and sizes to fabricate electrospun nanofiber sheets comprised of c...
Nanofibers have recently gained substantial interest for potential applications in tissue engineering. The objective of this study was to determine whether electrospun nanofibers accommodate the viability, growth, and differentiation of human mesenchymal stem cells (hMSCs) as well as their osteogenic (hMSC-Ob) and chondrogenic (hMSC-Ch) derivatives. Poly(d,l-lactide-co-glycolide) (PLGA) beads w...
BACKGROUND The quantification of surface groups attached to non-woven fibers is an important step in developing nanofiber biosensing detection technologies. A method utilizing biotin functionalized quantum dots (QDs) 655 for quantitative analysis of available biotin binding sites within avidin immobilized on electrospun nanofiber membranes was developed. RESULTS A method for quantifying nanof...
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