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Article
Open AccessThe one-step fabrication of porous hASC-laden GelMa constructs using a handheld printing system
The fabrication of highly porous cell-loaded structures in tissue engineering applications has been a challenging issue because non-porous cell-laden struts can cause severe cell necrosis in the middle region ...
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Article
Effects of chitosan and collagen containing α-tocopherol on the oxidative stability in bulk oil and oil-in-water emulsion
To provide efficient antioxidant capacities, proper carriers are needed to protect antioxidants against oxidative stress. Collagen mesh structure or chitosan gel was loaded with α-tocopherol and their effects ...
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Article
Bio-composites composed of a solid free-form fabricated polycaprolactone and alginate-releasing bone morphogenic protein and bone formation peptide for bone tissue regeneration
Biomedical scaffolds should be designed with highly porous three-dimensional (3D) structures that have mechanical properties similar to the replaced tissue, biocompatible properties, and biodegradability. Here...
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Article
Functionally graded PCL/β-TCP biocomposites in a multilayered structure for bone tissue regeneration
Functionally graded (FG) composites consisting of polycaprolactone (PCL) and beta-tricalcium phosphate (β-TCP) particles were fabricated with a multilayered structure using a melt plotter with a two-heating-barre...
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Article
Fabrication of three-dimensional collagen scaffold using an inverse mould-leaching process
Natural biopolymers, such as collagen or chitosan, are considered ideal for biomedical scaffolds. However, low processability of the materials has hindered the fabrication of designed pore structures controlle...
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Article
Fabrication of size-controlled three-dimensional structures consisting of electrohydrodynamically produced polycaprolactone micro/nanofibers
In this paper, we report a facile method of fabricating size-controlled three-dimensional (3D) polycaprolactone (PCL) micro/nanofiber structure using a modified electrospinning supplemented with a specially de...
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Article
Drug release from various thicknesses of layered mats consisting of electrospun polycaprolactone and polyethylene oxide micro/nanofibers
A new drug delivery system (DDS) consisting of electrospun nanofibers is proposed. Layered mats of hydrophobic polycaprolactone (PCL) and polyethylene oxide (PEO) nanofibers were prepared successfully in a lay...
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Article
Fabrication of poly(methyl methacrylate) micro-droplets using a complex electric field on a rolling collector
Electrospraying was used to fabricate micro-sized droplets of various polymers using strong electric fields. For the mass production of poly (methylmethacrylate) droplets and more uniform-sized droplets than t...
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Article
Highly oriented electrospun polycaprolactone micro/nanofibers prepared by a field-controllable electrode and rotating collector
Highly aligned electrospun nanofibers were fabricated using a field-controllable electrospinning process. The technique involved a cylindrical electrode connected to a spinning nozzle to stabilize the initial ...
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Article
An electrosprayed coating process for fabricating hemispherical PMMA droplets for an optical diffuser
A modified electrospraying process is proposed for fabricating uniform microsized poly(methyl methacrylate) (PMMA) hemispherical droplets on poly(ethylene terephthalate) films for use as optical diffusers. In ...
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Article
Polycarprolactone ultrafine fiber membrane fabricated using a charge-reduced electrohydrodynamic process
This paper introduces a modified electrospinning system for biomedical wound-healing applications. The conventional electrospinning process requires a grounded electrode on which highly charged electrospun ult...
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Article
3D polycaprolactone scaffolds with controlled pore structure using a rapid prototy** system
Designing a three-dimensional (3-D) ideal scaffold has been one of the main goals in biomaterials and tissue engineering, and various mechanical techniques have been applied to fabricate biomedical scaffolds u...
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Chapter and Conference Paper
Low Latency Cross Layer Handover Scheme in Proxy Mobile IPv6 Domain
In IP-based wireless networks, minimizing handover latency with few packet loss is one of the most important issues. To achieve this goal, host-based and network-based fast or localized mobility management sol...
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Chapter and Conference Paper
An Efficient Backup Path Selection Algorithm in MPLS Networks
The rapid growth of real-time and multimedia traffic over IP networks makes not only QoS guarantees but also network survivability more critical. This paper proposes an efficient algorithm which supports end-t...
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Chapter and Conference Paper
S-RO: Simple Route Optimization Scheme with NEMO Transparency
Network mobility (NEMO) basic support protocol maintains the connectivity when mobile router (MR) changes its point of attachment to the Internet by establishing a bidirectional tunnel between MR and Home Agen...
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Article
Electroactive polymer composites as a tactile sensor for biomedical applications
Modern applications could benefit from multifunctional materials having anisotropic optical, electrical, thermal, or mechanical properties, especially when coupled with locally controlled distribution of the d...
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Article
Polymeric Composites Tailored by Electric Field
A solid composite of desirable microstructure can be produced by curing a liquid polymeric suspension in an electric field. Redistribution effect of the field-induced forces exceeds that of centrifugation, whi...
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Chapter and Conference Paper
Deterministic Edge-to-Edge Delay Bounds for a Flow in a DiffServ Network Domain
It is important to understand delay bounds of an individual flow in the Internet in order to provide real-time applications such as Voice over IP (VoIP). In this paper, we study the deterministic bounds on edg...
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Chapter and Conference Paper
Low-Latency Non-predictive Handover Scheme in Mobile IPv6 Environments
In IP-based wireless/mobile networks, minimizing handover latency is one of the most important issues. Fast handover mobile IPv6 (FMIPv6) reduces the handover latency by handover prediction with link-layer inf...