Macromolecular Research

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Influence of Gate Voltage Operation on Effective Mobility of Electrolyte-Gated Organic Transistors
Macromolecular Research - Tập 30 - Trang 707-711 - 2022
Vivian Nketia-Yawson, Benjamin Nketia-Yawson, Jea Woong Jo
Low-voltage operation has long been a beneficial characteristic of electrolyte-gated organic transistors (EGOTs) because of the high capacitance of the electrolyte dielectric layer. Operating below 3 V, several reported EGOTs have effective mobilities above 1 cm2V−1s−1 based on the recently introduced reliability factor for organic field-effect transistors (OFETs). In this study, we report on the ...... hiện toàn bộ
Surface coating of hydroxyapatite on silk nanofiber through biomineralization using ten times concentrated simulated body fluid and the evaluation for bone regeneration
Macromolecular Research - Tập 22 - Trang 710-716 - 2014
Min Jung Lee, Jong Bo Park, Hyung Hwan Kim, Chang Seok Ki, Sook Young Park, Hyun Jeong Kim, Young Hwan Park
The biomineralization of hydroxyapatite (HA) on silk nanofiber surface was explored to create organic/inorganic composite scaffold for bone tissue engineering. The porous silk nanofibers matrix was prepared by electrospinning using methanol coagulation bath as a collector and the deposition and coating of HA crystals were proceeded through biomineralization process by immersing the nanofibers in t...... hiện toàn bộ
Effect of nano-structured polymer surfaces on the phenotype control of preosteoblasts
Macromolecular Research - - 2012
Soo-Jeong Yeon, Jin Wook Lee, Jae Won Lee, Taiyoun Rhim, Young‐Je Kwark, Seung Hyun Kim, Kuen Yong Lee
Novel organosoluable aromatic polyimides derived from unsymmetrical 1,3-bis(4-aminophenoxy)naphthalene and aromatic dianhydrides
Macromolecular Research - Tập 18 Số 9 - Trang 821-827 - 2010
Wen‐Tung Chen, Kun‐Li Wang
Synthesis and characterization of chemiluminescent conducting polyluminol via biocatalysis
Macromolecular Research - Tập 19 Số 3 - Trang 280-285 - 2011
Mohammad Reza Nabid, Soheil Salman Taheri, Roya Sedghi, Seyed Jamal Tabatabaei Rezaei
Optimization of chondrogenic differentiation of human adipose tissue-derived stem cells on poly(L-lactide-co-ɛ-caprolactone) scaffolds
Macromolecular Research - Tập 20 Số 7 - Trang 709-714 - 2012
Jung, Youngmee, Kim, Sang-Hee, Kim, Sang-Heon, Kim, Young Ha, Rhie, Jong Won, Kim, Soo Hyun
Mechanical stimuli should enhance cartilaginous tissue formation in elastic mechano-active poly(L-lactide-co-ɛ-caprolactone) (PLCL) scaffolds similar to what is observed in the body. The conditions for stem cell differentiation are also crucial for cartilage tissue engineering. Here, we investigate cartilaginous tissue formation of human adipose-tissue derived stem cells (hASCs)/hybrid scaffold co...... hiện toàn bộ
Bioadhesive PAA-PEG-PAA triblock copolymer hydrogels for drug delivery in oral cavity
Macromolecular Research - Tập 18 - Trang 284-288 - 2010
Minh Khanh Nguyen, Doo Sung Lee
A series of poly(amidoamine)-poly(ethylene glycol)-poly(amidoamine) (PAA-PEG-PAA) triblock copolymers were designed and prepared to examine the factors affecting their sol-gel transition behavior. The physiochemical properties of the triblock copolymers were characterized by 1H NMR spectroscopy and gel permeation chromatography. The PAA-PEG-PAA copolymers underwent sol-gel transitions in solution ...... hiện toàn bộ
Gas separation properties of 6FDA-based polyimide membranes with a polar group
Macromolecular Research - Tập 11 - Trang 157-162 - 2003
Sang-Hee Park, Kwang-Je Kim, Won-Wook So, Sang-Jin Moon, Soo-Bok Lee
6FDA-based polyimides were prepared from the thermal imidization reaction of 6FDA with diamines of BAPAF, DAP, and DABA having a polar group of hydroxyl or carboxyl. Properties of the dense polyimide membranes were characterized and their gas permeation properties for H2, CO2, O2, N2, and CH4 were investigated. Permeabilities, diffusion coefficients and diffusivity selectivities of polar group-con...... hiện toàn bộ
Preparation and swelling characteristics of hydrogel from microbial poly(γ-glutamic acid) by γ-irradiation
Macromolecular Research - Tập 13 - Trang 339-343 - 2005
Seong-Hyun Choi, Kyung-Sook Whang, Jong-Soo Park, Woo-Young Choi, Min-Ho Yoon
Microbial hydrogel was prepared by γ-irradiation of poly(γ-glutamic acid) (PGA) which was produced fromBacillus subtilis BS 62 and it’s physico-chemical characteristic was examined. The hydrogel, prepared from 10% PGA with the dose of 48 kGy, was swollen up to 1,370 times of specific water content as dry weight basis. The hydrogels obtained above the dose of 48 kGy appeared to have higher compress...... hiện toàn bộ
Covalently crosslinked chitosan-poly(ethylene glycol) hybrid hydrogels to deliver insulin for adipose-derived stem cells encapsulation
Macromolecular Research - Tập 21 - Trang 392-399 - 2012
Huaping Tan, Hekun Luan, Yihang Hu, Xiaohong Hu
Biodegradable hydrogels carrying adipose-derived stem cells (ASCs) have been highlighted with promising potential regarding adipose tissue engineering. In this study, covalently crosslinked natural/synthetic hybrid hydrogels were prepared from methacrylated water soluble chitosan (N-succinyl-chitosan, SCS) and poly(ethylene glycol) (PEG) by photoinitiaing polymerization under the existence of Irga...... hiện toàn bộ
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