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This paper reports on the extraction of microcrystal cellulose from cotton fiber and their application as a reinforcing agent in NR matrix. Microcrystalline cellulose was also grafted with maleic anhydride (MA) so that grafted one can improve interfacial interaction between cellulose and natural rubber. Fillers were incorporated to block natural rubber by two-roll mill dry mixing.
8p
dianmotminh02
03-05-2024
2
1
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Ebook "Nanomaterials for liquid chromatography and laser desorption/ionization mass spectrometry" describes major advances in ultrathin-layer chromatography (UTLC), liquid chromatography and surface-assisted laser desorption ionization (SALDI), and matrix-enhanced SALDI (ME-SALDI) mass spectrometry. Lu describes the fabrication of electrospun polyvinyl alcohol (PVA) UTLC plates using an in-situ crosslinking electrospinning technique.
118p
tudohanhtau1006
29-03-2024
7
1
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Ebook "Hydrogels: Biological properties and applications" have had a rapid, exponential evolution in the last decades. Starting from one of the first applications of hydrogels in surgery, polyvinylalcohol crosslinked with formaldehyde under the trade name of Ivalon, we passed through PolyHema hydrogels as contact lens materials, hydrophilic polyurethanes (HPU), biodegradable hydrogels for both reconstructive surgery and pharmaceutical delivery systems, and finally more recently, one decade old, the thermoreversible and transient network hydrogels.
201p
manmanthanhla0201
26-02-2024
3
1
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The present study is focused on the production of electricity using double chambered microbial fuel cells (MFCs) to treat hospital wastewater treatment combined with poly (vinyl alcohol) (PVA) membrane cross-linked with glutaraldehyde (GA) with low cost.
10p
vibego
02-02-2024
2
0
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In this work, the hydrogels based on polyvinyl alcohol and chitosan were prepared. The glyoxal was used as a crosslinker with the aim of forming the three-dimensional network for the structure of these hydrogels. The adsorption capacity of the hydrogels for Cr(VI) ions was investigated with the various concentrations of glyoxal.
9p
viplato
02-01-2024
4
2
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Ebook "Enzyme stabilization and immobilization: Methods and protocols (Second edition)" introduces the reader to the field of enzyme stabilization and the different theories of enzyme stabilization, including the use of immobilization as a stabilization technique. The first part of the book focuses on protocols for enzyme stabilization in solutions including liposome formation, micelle introduction, crosslinking, and additives.
231p
lucchinguyen
28-12-2023
6
3
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In this study, the objective was the investigation of the thermo-oxidative destruction of PVAcrosslinked-FDCA by simultaneous TGA/DTGA analysis. And the formation of ester crosslinks between PVA and FDCA was analyzed using Attenuated Total Reflection-Fourier transform infrared spectroscopy (ATR-FTIR).
7p
vijeff
30-11-2023
2
2
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Ebook "Principles of polymerization (Fourth edition)" includes: metallocene and post-metallocene polymerization catalysts; living polymerizations (radical, cationic, anionic); dendrimer, hyperbranched, brush, and other polymer architectures and assemblies; graft and block copolymers; high-temperature polymers; inorganic and organometallic polymers; conducting polymers; ring-opening polymer ization; in vivo and in vitro polymerization;...
839p
loivantrinh
29-10-2023
5
3
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In ebook "Polymer reinforcement" we consider this class of polymeric materials but do not consider polymers filled with liquids (e.g., water) and polymeric foams. Filling or reinforcement of polymers to enhance some properties of the material is one of the most important and popular methods of production of plastics, rubbers, coatings, adhesives, etc., which must possess the necessary mechanical and physical properties for any given practical application.
413p
loivantrinh
29-10-2023
3
2
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In this study, hydrogels based on in situ crosslinking between oxidized alginate (OA) and N,Ocarboxymethyl chitosan (NOCC) in combination with β-tricalcium phosphate (β-TCP) were prepared using different OA concentrations and OA to NOCC ratios.
15p
viberbers
09-08-2023
3
3
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The physico-chemical properties of electrospun polyvinyl alcohol (PVA) based hydrogel composites were investigated. Tetraethyl orthosilicate (TEOS) was employed as a crosslinking agent. 2.5-7.5 wt% of gallic acid was successfully loaded into an electrospun poly vinyl alcohol fiber.
6p
viberbers
09-08-2023
4
3
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RADA16 is a widely studied polypeptide known for its ability to self-assemble into b-sheets that form nanofibers. Here we show that it is possible to self-crosslink the molecule via 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (EDC) as aqueous solutions.
5p
viberbers
09-08-2023
5
2
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Investigation of Zn(II) adsorption by the chitosan grafted with citric acid via crosslinking with glutraldehyde (C-Gch) was conduced by bath method. Effect of parameters such as pH, contact time, adsorbent dosage and other metal cations was determined.
7p
vidoctorstrange
06-05-2023
4
2
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The presence of heavy metals pollutants in the industrial effluents has become a serious problem for human beings and the environment. In this work, chitosan beads were crosslinked and modified by Saccharomyces cerevisiae (S. cerevisiae) and histidine to enhance its acid stability and mechanical strength and biosorption capacity.
5p
vidoctorstrange
06-05-2023
3
2
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This study consisted of a novel potential adsorbent material that could efficiently remove chromium (VI) from aqueous solutions. The optimum operating conditions were investigated including pH, agitation period. In this research, biochar derived from fountain grass (Pennisetum setaceum) coated with glutaraldehyde-crosslinked chitosan and treated with succinic acid to add functional groups was used to create an eco-friendly sorbent (CPES).
6p
vicedric
08-02-2023
2
1
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Hydrogel materials have attracted extensive research over the last few decades, especially in tissue engineering, due its many comparable properties with native tissue. This study proposes a new approach to hydrogel fabrication that combines oxidized alginate (OA) into N,O-carboxymethyl chitosan (NOCC) and an oxidized hyaluronan-based hydrogel system employing low cost, domestically sourced chitosan and alginate.
9p
vimalfoy
08-02-2023
2
2
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Highly crosslinked, inorganic-organic hybrid and intrinsically fluorescent polyphosphazene nanospheres bearing hydroxyl groups on the surface are facilely generated via a one-pot polycondensation of octachlorocyclotetraphosphazene, fluorescein and quercetin. The resulting nanospheres were characterised by scanning electron microscopy (SEM), energy-dispersive X-ray analysis (EDX), Fourier transform infrared spectroscopy (FTIR), dynamic light scattering (DLS), X-ray diffraction analysis (XRD) and ultravioletvisible spectroscopy (UV-vis) techniques.
13p
lyhuyenthu
31-01-2023
6
2
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In this study, it was aimed to obtain 3D scaffolds using medical grade chitosan (MC) with a high deacetylation degree (DD ≥ 92.6%) to overcome the spheroid formation of rat adipose tissue derived mesenchymal stem cells (rAdMSCs) on control chitosan (C, DD = 75%–85%) scaffolds. Genipin was used as a biological chemical crosslinker, and glycerol phosphate salt was used both as a pH adjusting agent and physical crosslinker.
13p
lyhuyenthu
31-01-2023
14
2
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In order to develop safer processes for the food industry, we prepared a chitosan support with the naturally occurring crosslinking reagent, genipin, for enzyme. As application model, it was tested for the immobilization of -d-galactosidase from Aspergillus oryzae.
7p
vihermione
06-01-2023
7
2
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Industrial wastes and their effluents containing dyes and heavy metals are a tremendous threat to the environment, and to treat these toxic waste streams, effective and environmentally benign methods are needed.
12p
vihermione
06-01-2023
5
2
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