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Article
Porous carbon anodes from fluorinated polyimide for lithium-ion batteries
This study prepares highly porous carbon (c-fPI) for lithium-ion battery anode that starts from the synthesis of fluorinated polyimide (fPI) via a step polymerization, followed by carbonization. During the car...
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Article
Role of sulfuric acid in thermostabilization and carbonization of lyocell fibers
Carbonized fibers with quantifiable mechanical properties were prepared from environmentally benign lyocell fibers (LFs) through sulfuric acid-catalyzed continuous thermostabilization and following carbonizati...
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Article
Comparison of polylactic acid biodegradation ability of Brevibacillus brevis and Bacillus amyloliquefaciens and promotion of PLA biodegradation by soytone
Polylactic acid (PLA), a biodegradable plastic, is used to substitute commercial plastics in various fields such as disposable packaging materials and mulching films. Although the biodegradation of PLA under s...
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Article
Robust and Highly Ion-Conducting Gel Polymer Electrolytes with Semi-Interpenetrating Polymer Network Structure
Here we report gel polymer electrolytes (GPEs) formed by the film casting of the solution containing poly(ethylene glycol) methyl ether methacrylate (PEGMA) and trimethylolpropane ethoxylate triacrylate (ETPTA...
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Article
Open AccessHigh energy flexible supercapacitors formed via bottom-up infilling of gel electrolytes into thick porous electrodes
Formation of thick, high energy density, flexible solid supercapacitors is challenging because of difficulties infilling gel electrolytes into porous electrodes. Incomplete infilling results in a low capacitan...
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Article
Healable properties of polymethacrylate derivatives having photo crosslinkable cinnamoyl side groups with surface hardness control
Based on reversible photo crosslinkable properties, a series of polymethacrylate derivatives having cinnamoyl group in the side chain has been designed and synthesized. By simple UV irradiation and thermal tre...
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Article
Poly[2,2′-(m-phenylene)-5,5′-bibenzimidazole] and poly[6-fluoro-3-(pyridin-2-yl)-3,4-dihydro-2H-benzoxazine] based polymer electrolyte membranes for fuel cells at elevated temperature
Cross-linked copolymer membranes were prepared by casting poly[2,2′-(m-phenylene)-5,5′-bibenzimidazole] (PBI) solutions containing 6-fluoro-3-(pyridin-2-yl)-3,4-dihydro-2H-benzoxazine (pF) in N,N-dimethylacetamid...
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Article
Incarcerated patellar tendon in Hoffa fracture: an unusual cause of irreducible knee dislocation
Irreducible knee dislocation due to incarcerated soft tissue structures in associated fractures is extremely uncommon. We report a case of irreducible, closed dislocation of the knee secondary to incarcerated ...
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Article
Double-bundle anterior cruciate ligament reconstruction using two different suspensory femoral fixation: a technical note
We describe a novel double-bundle reconstruction method for ACL deficient knee. Grafts are tibialis allograft for AMB (anteromedial bundle) and semitendinosus autograft for PLB (posterolateral bundle). Femoral...
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Article
The modified outside-in suture: vertical repair of the anterior horn of the meniscus after decompression of a large meniscal cyst
This article describes a modified suture technique designed for the vertical repair of the anterior horn of the meniscus after arthroscopic decompression of a large meniscal cyst. This procedure comprises of t...
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Article
Gene expression of the biosynthetic enzymes and biosynthesis of starch during Rice Grain development
Amylose and amylopectin are determinants of the physicochemical properties for starch and grain quality in rice. Their biosynthesis is catalyzed by the interplay of ADP-glucose pyrophosphorylase (AGPase), gran...
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Article
Recent R&D activities on structural health monitoring for civil infra-structures in Korea
Developments and applications of structural health monitoring (SHM) systems have become active particularily for long-span bridges in Korea. They are composed of sensors, data acquisition system, data transmis...
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Article
Annual variation of fresh water quality in the Gachang Dam reservoir
This paper investigated the relationship between the annual variation of the algae population and the physicochemical properties of the water reservoired in the Gachang Dam in the hopes of serving as a guideli...