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1. Handy purifier based on bacterial cellulose and Ca-montmorillonite composites for efficient removal of dyes and antibiotics

Author:
Chen, Chuntao,   et al.   ; Hu, Ying; Yang, Luyu; Cui, Jian; Hao, Qingli; Sun, Dongping;     Show all 6 Authors
Source:
Carbohydrate polymers 2019 v.222 pp. 115017
ISSN:
0144-8617
Subject:
adsorption; cellulose; methylene blue; models; porous media; raw materials; sewage treatment; sorption isotherms; tetracycline; wastewater; water purification
Abstract:
... Water purification has always being an imperative but challenging issue of our times. Here, we used an organic-inorganic material, i.e. bacterial cellulose (BC) and Ca-montmorillonite (Ca-MMT) composites to treat complex wastewater. The surface and inside of the BC/Ca-MMT was a microporous structure capable of providing abundant adsorption sites. We demonstrated the BC/Ca-MMT has superior removal ...
DOI:
10.1016/j.carbpol.2019.115017

2. In situ preparation of bacterial cellulose with antimicrobial properties from bioconversion of mulberry leaves

Author:
Chen, Chuntao,   et al.   ; Chen, Jinbo; Liang, Guangyun; Xu, Xunran; Hao, Qingli; Sun, Dongping;     Show all 6 Authors
Source:
Carbohydrate polymers 2019 v.220 pp. 170-175
ISSN:
0144-8617
Subject:
Escherichia coli; Staphylococcus aureus; antibacterial properties; biocompatibility; biotransformation; cellulose; fermentation; hydrolysates; leaves; medicine; mulberries
Abstract:
... It’s long been understood that antimicrobial properties are one of the most important function in the field of biomedicine. In this thesis, we introduce a new technique to functionalize bacterial cellulose (BC) with antimicrobial properties by in situ method. We design a series of experiments on hydrolyzing mulberry leaves and exploring the methods of fermenting and purifying to obtain a BC comple ...
DOI:
10.1016/j.carbpol.2019.05.062

3. Facile approach to the fabrication of 3D cellulose nanofibrils (CNFs) reinforced poly(vinyl alcohol) hydrogel with ideal biocompatibility

Author:
Chen, Chuntao,   et al.   ; Chen, Xiao; Zhang, Heng; Huang, Yang; Yang, Jiazhi; Sun, Dongping;     Show all 6 Authors
Source:
Carbohydrate polymers 2017 v.173 pp. 547-555
ISSN:
0144-8617
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; biocompatibility; biotechnology; cell growth; cellulose; cellulose microfibrils; coculture; crystal structure; cytotoxicity; ethylene glycol; hydrogels; medicine; phosphates; polyvinyl alcohol; scanning electron microscopy; strength (mechanics); thermal properties; thermogravimetry; toxicity testing; transmission electron microscopes; transmission electron microscopy; water content
Abstract:
... In this study, the reinforcing effects of cellulose nanofibrils (CNFs) on poly (vinyl alcohol) (PVA) matrix were explored. And ethylene glycol was used to enhance the water content and phosphate buffer saline (PBS) absorbency. The morphological aspects of the hydrogel were studied by transmission electron microscope (TEM) and scanning electron microscopy (SEM). The presence of interactions, change ...
DOI:
10.1016/j.carbpol.2017.06.036

4. Rapid Fabrication of Composite Hydrogel Microfibers for Weavable and Sustainable Antibacterial Applications

Author:
Chen, Chuntao,   et al.   ; Zhang, Ting; Dai, Beibei; Zhang, Heng; Chen, Xiao; Yang, Jiazhi; Liu, Jian; Sun, Dongping;     Show all 8 Authors
Source:
ACS sustainable chemistry 2016 v.4 no.12 pp. 6534-6542
ISSN:
2168-0485
Subject:
cellulose; graphene; human health; hydrogels; mammals; mechanical properties; medicine; nanoparticles; nanosilver; sterilizing; tissue engineering
Abstract:
... Microbial infections continue to pose a serious threat to human health, thus calling attention to the development of new materials with better antibacterial applications. Here we report a microfluidic approach to fabricate core–shell GO-AgNPs/BC (graphene oxide–silver nanoparticles/bacterial cellulose) hydrogel microfibers with controlled-releasing and long-lasting antibacterial performance. Meter ...
DOI:
10.1021/acssuschemeng.6b01351

5. Recent progress in 2D or 3D N-doped graphene synthesis and the characterizations, properties, and modulations of N species

Author:
Chen, Chuntao,   et al.   ; Fan, Mengmeng; Feng, Zhang-Qi; Zhu, Chunlin; Chen, Xiao; Yang, Jiazhi; Sun, Dongping;     Show all 7 Authors
Source:
Journal of materials science 2016 v.51 no.23 pp. 10323-10349
ISSN:
0022-2461
Subject:
biocompatibility; graphene; nitrogen; nitrogen content; topography
Abstract:
... Nitrogen (N)-doped graphene (N-substituted or nitrogenated graphene) (NG) has become a new class of graphene material due to its modified properties such as the tunable work function, n-type semiconductivity, increasing biocompatibility, and, in particular, the synergistic function with various functional materials. However, the preparation of NG by a simple and effective method is still lacking. ...
DOI:
10.1007/s10853-016-0250-8

6. Synthesis of BC@mTiO2 hybrid nanofibers for highly efficient enrichment and detection of phosphopeptides

Author:
Chen, Chuntao,   et al.   ; Gao, Ruifang; Chen, Xiao; Shi, Rui; Ouyang, Fuzhong; Yang, Jiazhi; Sun, Dongping; Liu, Jian;     Show all 8 Authors
Source:
Cellulose 2016 v.23 no.4 pp. 2475-2485
ISSN:
0969-0239
Subject:
adsorption; cellulose; cost effectiveness; mass spectrometry; nanofibers; porosity; post-translational modification; proteins
Abstract:
... Along with advances in life science and clinical research, there has been an increasing interest in enrichment technologies for proteins with post-translational modifications. Here we report a new platform to enrich and detect phosphopeptides using the hybrid nanofibers synthesized from bacterial cellulose (BC). Hydrothermal reactions have successfully been employed to synthesize BC@mTiO₂ hybrid n ...
DOI:
10.1007/s10570-016-0985-z

7. Regenerated bacterial cellulose microfluidic column for glycoproteins separation

Author:
Chen, Chuntao,   et al.   ; Zhu, Chunlin; Huang, Yang; Nie, Ying; Yang, Jiazhi; Shen, Ruiqi; Sun, Dongping;     Show all 7 Authors
Source:
Carbohydrate polymers 2016 v.137 pp. 271-276
ISSN:
0144-8617
Subject:
affinity chromatography; cellulose; concanavalin A; glycoproteins; high performance liquid chromatography; lysozyme; schiff bases; transferrin
Abstract:
... To analysis and separate glycoproteins, a simple strategy to prepare regenerated bacterial cellulose (RBC) column with concanavalin A (Con A) lectin immobilized in microfluidic system was applied. RBC was filled into microchannel to fabricate RBC microcolumn after bacterial cellulose dissolved in NaOH–sulfourea water solution. Lectin Con A was covalently connected onto RBC matrix surface via Schif ...
DOI:
10.1016/j.carbpol.2015.10.081

8. Biointerface by Cell Growth on Graphene Oxide Doped Bacterial Cellulose/Poly(3,4-ethylenedioxythiophene) Nanofibers

Author:
Chen, Chuntao,   et al.   ; Zhang, Ting; Zhang, Qi; Chen, Xiao; Zhu, Chunlin; Xu, Yunhua; Yang, Jiazhi; Liu, Jian; Sun, Dongping;     Show all 9 Authors
Source:
ACS applied materials 2016 v.8 no.16 pp. 10183-10192
ISSN:
1944-8252
Subject:
cell growth; cellulose; electrical treatment; extracellular matrix; graphene oxide; medicine; nanofibers; polymerization
Abstract:
... Highly biocompatible advanced materials with excellent electroactivity are increasingly meaningful to biointerfaces and the development of biomedicine. Herein, bacterial cellulose/poly(3,4-ethylene dioxythiophene)/graphene oxide (BC/PEDOT/GO) composite nanofibers were synthesized through the in situ interfacial polymerization of PEDOT with the doping of GO. The abundant free carboxyl and hydroxy g ...
DOI:
10.1021/acsami.6b01243

9. Facile approach to the fabrication of 3D electroconductive nanofibers with controlled size and conductivity templated by bacterial cellulose

Author:
Chen, Chuntao,   et al.   ; Yu, Yalin; Li, Kangming; Zhao, Mengyao; Liu, Lin; Yang, Jiazhi; Liu, Jian; Sun, Dongping;     Show all 8 Authors
Source:
Cellulose 2015 v.22 no.6 pp. 3929-3939
ISSN:
0969-0239
Subject:
biocompatibility; biosensors; cell culture; cellulose; cultured cells; drugs; electrochemistry; electrodes; humans; medicine; nanofibers; polymerization; stem cells; styrene; tissue engineering; tissue scaffolds
Abstract:
... Controlled fabrication of biocompatible nanofibers with the required nanoscale and electrical performance can meet the needs of practical applications in biomedicine and electrochemistry. Here we report a high-performance 3D electroconductive nanomaterial templated by biocompatible bacterial cellulose (BC) nanofibers. Our approach can coat BC nanofibers with poly(3,4-ethylenedioxythiophene) (PEDOT ...
DOI:
10.1007/s10570-015-0770-4

10. Biosynthesis approach to nitrogen doped graphene by denitrifying bacteria CFMI-1

Author:
Chen, Chuntao,   et al.   ; Zhu, Chunlin; Feng, Zhangqi; Fan, Mengmeng; Ma, Bo; Yang, Jiazhi; Sun, Dongping;     Show all 7 Authors
Source:
RSC advances 2014 v.4 no.76 pp. 40292-40295
ISSN:
2046-2069
Subject:
biosynthesis; denitrifying bacteria; graphene; nitrogen
Abstract:
... Here we present a novel approach to prepare N-doped graphene under ambient conditions by denitrifying bacteria CFMI-1. The N element can be effectively introduced into graphene and 8.2% (atom %) N doping level can be achieved. N-doped graphene possesses a size around 300–600 nm and an average thickness of 1–2 nm. ...
DOI:
10.1039/c4ra06552b

11. Recent advances in bacterial cellulose

Author:
Chen, Chuntao,   et al.   ; Huang, Yang; Zhu, Chunlin; Yang, Jiazhi; Nie, Ying; Sun, Dongping;     Show all 6 Authors
Source:
Cellulose 2014 v.21 no.1 pp. 1-30
ISSN:
0969-0239
Subject:
attitudes and opinions; biocompatibility; cellulose; crystal structure; hydrogen bonding; microorganisms; water treatment
Abstract:
... Bacterial cellulose (BC) produced by some microorganisms has been widely accepted as a multifunctional nano-biomaterial. It is composed of linear glucan molecules attached with hydrogen bonds, which appears similar to plant cellulose. However, when compared with other conventional natural or synthesized counterparts, BC performs better in areas such as biomedicine, functional devices, water treatm ...
DOI:
10.1007/s10570-013-0088-z

12. Three-Dimensional BC/PEDOT Composite Nanofibers with High Performance for Electrode–Cell Interface

Author:
Chen, Chuntao,   et al.   ; Zhang, Ting; Zhang, Qi; Feng, Zhangqi; Zhu, Chunlin; Yu, Yalin; Li, Kangming; Zhao, Mengyao; Yang, Jiazhi; Liu, Jian; Sun, Dongping;     Show all 11 Authors
Source:
ACS Applied Materials & Interfaces 2015 v.7 no.51 pp. 28244-28253
ISSN:
1944-8252
Subject:
action potentials; biocompatible materials; calcium; capacitance; cellulose; coatings; cytotoxicity; drug delivery systems; electrical conductivity; electrical treatment; electrochemistry; electrodes; image analysis; mechanical properties; nanofibers; polymerization; porosity; surface area; tissue engineering
Abstract:
... There is an increasing need to synthesize biocompatible nanofibers with excellent mechanical and electrical performance for electrochemical and biomedical applications. Here we report a facile approach to prepare electroactive and flexible 3D nanostructured biomaterials with high performance based on bacterial cellulose (BC) nanofibers. Our approach can coat BC nanofibers with poly(3,4-ethylenedio ...
DOI:
10.1021/acsami.5b07273