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- Author:
- Wenping Wang; Hengming Cao; Guojun Zhu; Peng Wang
- Source:
- Journal of polymer science 2010 v.48 no.8 pp. 1782-1790
- ISSN:
- 0887-624X
- Subject:
- Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; catalysts; chemical structure; glass transition temperature; molecular weight; nanocomposites; nanoparticles; nuclear magnetic resonance spectroscopy; polymerization; polystyrenes; scanning electron microscopy; styrene; thermal properties; titanium dioxide; transmission electron microscopy
- Abstract:
- ... A core‐shell hybrid nanocomposites, possessing a hard core of nano titanium dioxide (n‐TiO₂) and a soft shell of brushlike polystyrene (PS), were successfully prepared by surface‐initiated atom transfer radical polymerization (ATRP) at 90 °C in anisole solution using CuBr/PMDETA as the catalyst, in the presence of sacrificial initiator. FTIR, ¹H NMR, XPS, TEM, SEM, TGA, and DSC were used to determ ...
- DOI:
- 10.1002/pola.23946
- https://doi.org/10.1002/pola.23946
- Author:
- Han, Jie; Liu, Yan; Wang, Lu; Guo, Rong
- Source:
- Journal of polymer science 2010 v.48 no.17 pp. 3903-3912
- ISSN:
- 0887-624X
- Subject:
- X-ray diffraction; X-ray photoelectron spectroscopy; colloids; gold; nanocomposites; nanogold; nonionic surfactants; oxidants; polymerization; polymers
- Abstract:
- ... This article describes a versatile two-step method for gold/polyaniline derivative core/shell nanocomposites with the aid of nonionic surfactant F127. First, F127 and monomer were introduced to gold colloids followed by the addition of oxidant to initiate the polymerization of monomer to afford a conducting polymer shell around each gold nanoparticle. Experimental parameters, such as kinds and con ...
- DOI:
- 10.1002/pola.24177
- https://doi.org/10.1002/pola.24177
- Author:
- Toshio Ogawa; Takuya Nobuta
- Source:
- Journal of materials science 2010 v.45 no.3 pp. 771-776
- ISSN:
- 0022-2461
- Subject:
- X-ray photoelectron spectroscopy; adsorption; air; aqueous solutions; copper; foil; freeze drying; hydrolysis; polymers; silane
- Abstract:
- ... The adsorption behavior of γ-aminopropyl trimethoxysilane (γ-APS) on copper foil is investigated by using X-ray photoelectron spectroscopy (XPS). Copper foil is immersed in a diluted aqueous solution of γ-APS and dried in air. It is found that γ-APS is adsorbed onto the surface almost without hydrolysis. Further, the depth profile by XPS analysis shows that γ-APS is not hydrolyzed even in the insi ...
- DOI:
- 10.1007/s10853-009-3999-1
- https://doi.org/10.1007/s10853-009-3999-1
- Author:
- Karagiovanaki, Sotiria; Koutsioubas, Alexandros; Spiliopoulos, Nikolaos; Anastassopoulos, Dimitris L.; Vradis, Alexandros A.; Toprakcioglu, Chris; Siokou, Angeliki Elina
- Source:
- Journal of polymer science 2010 v.48 no.14 pp. 1676-1682
- ISSN:
- 0887-6266
- Subject:
- Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; adsorption; aluminum oxide; composite polymers; physics; toluene
- Abstract:
- ... We have studied the adsorption of end-attaching block copolymer chains inside the cylindrical pores of nanoporous alumina. Highly asymmetric PS-PEO block copolymers, with a small PEO anchoring block and a long PS dangling block, were allowed to adsorb onto porous alumina substrates with an average pore diameter of ~200 nm from toluene solution. The adsorption process was monitored using FTIR spect ...
- DOI:
- 10.1002/polb.21972
- https://doi.org/10.1002/polb.21972
- Author:
- Fan, Ye; Wang, Bin; Yuan, Songhu; Wu, Xiaohui; Chen, Jing; Wang, Linling
- Source:
- Bioresource technology 2010 v.101 no.19 pp. 7661-7664
- ISSN:
- 0960-8524
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorbents; adsorption; bamboos; carbon; charcoal; chloramphenicol; surface area; wastewater
- Abstract:
- ... This study described the adsorption of chloramphenicol (CAP) in wastewater on the renewable bioresource of bamboo charcoal (BC). Results showed that CAP adsorption on BC (Ln qe =1.272 Ln Ce +1.971) and H₂SO₄ modified BC (Ln qe =1.851 Ln Ce +0.659) were very slight, and on NaOH modified BC was significantly increased (Ln qe =0.344 Ln Ce +6.490). The adsorbents were characterized by N₂ adsorption-de ...
- DOI:
- 10.1016/j.biortech.2010.04.046
- PubMed:
- 20457515
- https://doi.org/10.1016/j.biortech.2010.04.046
- Author:
- Li, Qiang; Zhang, Lifen; Zhang, Zhengbiao; Zhou, Nianchen; Cheng, Zhenping; Zhu, Xiulin
- Source:
- Journal of polymer science 2010 v.48 no.9 pp. 2006-2015
- ISSN:
- 0887-624X
- Subject:
- Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; ascorbic acid; catalysts; chemical composition; electron transfer; nanocomposites; nanoparticles; nuclear magnetic resonance spectroscopy; polymerization; polymers; reducing agents; silica; solvents; thermogravimetry
- Abstract:
- ... Well-defined polymer-nanoparticle hybrids were prepared by a newly reported method: atom transfer radical polymerization using activators generated by electron transfer (AGET ATRP) mediated by iron catalyst. The kinetics of the surface-initiated AGET ATRP of methyl methacrylate from the silica nanoparticles, which was mediated by FeCl₃/triphenylphosphine as a catalyst complex, ascorbic acid as a r ...
- DOI:
- 10.1002/pola.23968
- https://doi.org/10.1002/pola.23968
- Author:
- C. Chiappe; M. Malvaldi; B. Melai; S. Fantini; U. Bardi; S. Caporali
- Source:
- Green chemistry 2010 v.12 no.1 pp. 77-80
- ISSN:
- 1463-9270
- Subject:
- X-ray photoelectron spectroscopy; ambient temperature; anions; cations; electrochemistry; electrospray ionization mass spectrometry; green chemistry; ionic liquids; metal ions; nitrates
- Abstract:
- ... A simple strategy has been reported to prepare new ionic liquids with binary systems of organic–inorganic cations exploiting the common ion effect, i.e. dissolving metal salts with organic or inorganic anions (bistriflylimide or nitrate) in ionic liquids bearing the same anions. The resulting concentrated solutions of metal cations in ionic environments, which may have great potential for electroc ...
- DOI:
- 10.1039/b919111a
- https://doi.org/10.1039/b919111a
- Author:
- Baake, Olaf; Hoffmann, Peter S.; Kosinova, Marina L.; Klein, Andreas; Pollakowski, Beatrix; Beckhoff, Burkhard; Fainer, Nadeshda I.; Trunova, Valentina A.; Ensinger, Wolfgang
- Source:
- Analytical and bioanalytical chemistry 2010 v.398 no.2 pp. 1077-1084
- ISSN:
- 1618-2642
- Subject:
- X-radiation; X-ray photoelectron spectroscopy; absorption; ammonia; fluorescence; nitrogen; silicon; triethylamine; trimethylamine; vapors
- Abstract:
- ... Triethylamine borane (TEAB) and He, N₂ or NH₃ were applied as additional reaction gases in the production of BCxNy layers by low-pressure chemical vapor deposition (LPCVD). These layers were deposited on Si(100) wafers and characterized chemically by X-ray photoelectron spectroscopy (XPS) and synchrotron radiation-based total-reflection X-ray fluorescence analysis combined with near-edge X-ray abs ...
- DOI:
- 10.1007/s00216-010-3965-4
- https://doi.org/10.1007/s00216-010-3965-4
- Author:
- Zhang, Bin; Yan, Bing
- Source:
- Analytical and bioanalytical chemistry 2010 v.396 no.3 pp. 973-982
- ISSN:
- 1618-2642
- Subject:
- Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; combustion; liquid chromatography; nanoparticles; nuclear magnetic resonance spectroscopy; toxicity
- Abstract:
- ... Chemical modifications of nanoparticle (NP) surfaces are likely to regulate their activities, remove their toxic effects, and enable them to perform desired functions. It is urgent to develop analytical strategies for acquiring structural and quantitative information about small molecules linked to the surface of NP. Recent progress in characterizing the surface chemistry of NPs using nuclear magn ...
- DOI:
- 10.1007/s00216-009-2996-1
- PubMed:
- 19644676
- PubMed Central:
- PMC2814314
- https://doi.org/10.1007/s00216-009-2996-1
- Author:
- Koh, Jong Kwan; Kim, Yong Woo; Ahn, Sung Hoon; Min, Byoung Ryul; Kim, Jong Hak
- Source:
- Journal of polymer science 2010 v.48 no.2 pp. 183-189
- ISSN:
- 0887-6266
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; chlorine; contact angle; crystal structure; hydrophilicity; mechanical properties; nuclear magnetic resonance spectroscopy; polymerization; polymers; ultrafiltration
- Abstract:
- ... An amphiphilic comb polymer consisting of poly(vinylidene fluoride-co-chlorotrifluoroethylene) [P(VDF-co-CTFE)] main chains and poly(oxyethylene methacrylate) (POEM) side chains was synthesized using direct initiation of the chlorine atoms in CTFE units through atom transfer radical polymerization, as confirmed by ¹H NMR and FTIR spectroscopy. The P(VDF-co-CTFE)-g-POEM comb polymer was introduced ...
- DOI:
- 10.1002/polb.21887
- https://doi.org/10.1002/polb.21887
- Author:
- Gang Bai; Yanchun Liu
- Source:
- Textile research journal 2010 v.80 no.16 pp. 1658-1664
- ISSN:
- 0040-5175
- Subject:
- X-ray photoelectron spectroscopy; atmospheric pressure; fabrics; hydrophilicity; polyacrylonitrile; scanning electron microscopy; textile fibers; wettability
- Abstract:
- ... Hydrophilic monomer was grafted onto polyacrylonitrile fiber using an atmospheric pressure dielectric barrier discharge plasma technique. The degree of grafting was evaluated using a dyeing method. The treated surfaces were characterized by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The plasma-grafting treatment was found to introduce some amide, carboxyl and hy ...
- DOI:
- 10.1177/0040517510363195
- https://doi.org/10.1177/0040517510363195
- Author:
- Oswald, S.; Oswald, F.
- Source:
- Analytical and bioanalytical chemistry 2010 v.396 no.8 pp. 2805-2812
- ISSN:
- 1618-2642
- Subject:
- X-radiation; X-ray photoelectron spectroscopy; silica
- Abstract:
- ... X-ray photoelectron spectroscopy (XPS) is one of the main methods for elemental and bonding-state characterization in the near-surface region. Applying it as angle-resolved XPS (ARXPS), it is promising for non-destructive depth profiling in the nanometre-thickness range. The challenges for the application of ARXPS are discussed for the early film growth of Ti and Ta on SiO₂ produced by in situ mag ...
- DOI:
- 10.1007/s00216-009-3282-y
- https://doi.org/10.1007/s00216-009-3282-y
- Author:
- Baer, D. R.; Gaspar, D. J.; Nachimuthu, P.; Techane, S. D.; Castner, D. G.
- Source:
- Analytical and bioanalytical chemistry 2010 v.396 no.3 pp. 983-1002
- ISSN:
- 1618-2642
- Subject:
- X-ray photoelectron spectroscopy; atomic force microscopy; chemical analysis; coatings; mass spectrometry; nanoparticles; scanning tunneling microscopy
- Abstract:
- ... The important role that surface chemical analysis methods can and should play in the characterization of nanoparticles is described. The types of information that can be obtained from analysis of nanoparticles using Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS), time-of-flight secondary-ion mass spectrometry (TOF-SIMS), low-energy ion scattering (LEIS), and scanning-pro ...
- DOI:
- 10.1007/s00216-009-3360-1
- PubMed:
- 20052578
- PubMed Central:
- PMC2841528
- https://doi.org/10.1007/s00216-009-3360-1
- Author:
- Na, Ping; Jia, Xiumin; Yuan, Bin; Li, Yuan; Na, Jiyu; Chen, Yuchen; Wang, Linshuang
- Source:
- Journal of chemical technology and biotechnology 2010 v.85 no.5 pp. 708-714
- ISSN:
- 0268-2575
- Subject:
- X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; aqueous solutions; arsenic; arsenites; chemical reactions; drinking water; ionic strength; ions; models; montmorillonite; pH; pollution; sorption isotherms; temperature; water purification
- Abstract:
- ... BACKGROUND: Arsenic pollution in drinking water has been found in most countries. Arsenate (As(V)) and arsenite (As(III)) are two major forms of inorganic arsenic species, and the latter is the more toxic. The removal of arsenic ions from water has attracted increased attention, and therefore further understanding and development of techniques for removal of arsenic ions are required.RESULTS: Adso ...
- DOI:
- 10.1002/jctb.2360
- https://doi.org/10.1002/jctb.2360
- Author:
- Han, Ting; Fan, Tongxiang; Chow, Suk-Kwun; Zhang, Di
- Source:
- Bioresource technology 2010 v.101 no.17 pp. 6829-6835
- ISSN:
- 0960-8524
- Subject:
- X-ray diffraction; X-ray photoelectron spectroscopy; absorption; anions; cations; crops; crystals; irradiation; lamps; metals; nitrogen; oxides; phosphorus; red light; seeds
- Abstract:
- ... Four typical kinds of crop seeds are studied as non-metallic bio-precursors to synthesize biogenic N-P-codoped TiO₂ (BNP-TiO₂). The as-prepared BNP-TiO₂ samples are characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), nitrogen-adsorption measurement and UV-Vis spectroscopy. The results show that BNP-TiO₂ possesses single anatase phase with mesopore structures, and nitr ...
- DOI:
- 10.1016/j.biortech.2010.03.107
- https://doi.org/10.1016/j.biortech.2010.03.107
- Author:
- Song, Jae Yong; Kwon, Eun-Yeong; Kim, Beom Soo
- Source:
- Bioprocess and biosystems engineering 2010 v.33 no.1 pp. 159-164
- ISSN:
- 1615-7591
- Subject:
- Fourier transform infrared spectroscopy; X-radiation; X-ray photoelectron spectroscopy; culture media; ions; leaf extracts; nanoparticles; particle size; platinum; reducing agents; temperature; transmission electron microscopy
- Abstract:
- ... The leaf extract of Diopyros kaki was used as a reducing agent in the ecofriendly extracellular synthesis of platinum nanoparticles from an aqueous H₂PtCl₆·6H₂O solution. A greater than 90% conversion of platinum ions to nanoparticles was achieved with a reaction temperature of 95°C and a leaf broth concentration of >10%. A variety of methods was used to characterize the platinum nanoparticles syn ...
- DOI:
- 10.1007/s00449-009-0373-2
- https://doi.org/10.1007/s00449-009-0373-2
- Author:
- Marija Gorjanc; Vili Bukošek; Marija Gorenšek; Miran Mozetič
- Source:
- Textile research journal 2010 v.80 no.20 pp. 2204-2213
- ISSN:
- 0040-5175
- Subject:
- Enterococcus faecalis; Pseudomonas aeruginosa; X-ray photoelectron spectroscopy; adhesion; antibacterial properties; atomic absorption spectrometry; color; cotton; cotton fabric; mechanical properties; mercerization; nanosilver; scanning electron microscopes; scanning electron microscopy; silver; textile fibers
- Abstract:
- ... In an attempt to use minimal concentrations, initially, of silver nanoparticles for loading onto textiles and to achieve maximum concentrations on the material, CF₄ low-pressure plasma was used on bleached and mercerized cotton fabric. The concentrations of silver on the fabrics were determined by the ICP-MS method (inductively coupled plasma-mass spectrometry), the morphology of fiber surfaces wa ...
- DOI:
- 10.1177/0040517510376268
- https://doi.org/10.1177/0040517510376268
- Author:
- Vu Manh Tuong; Jian Li
- Source:
- Holzforschung 2010 v.65 no.1 pp. 67-72
- ISSN:
- 1437-434X
- Subject:
- Acacia; X-ray photoelectron spectroscopy; absorption; chemical composition; heat treatment; hybrids; lignin; nitrogen; sapwood; temperature; wood
- Abstract:
- ... Acacia hybrid (Acacia mangium×auriculiformis) sapwood was heat-treated in nitrogen under laboratory conditions for 2–6 h at 210°C–230°C. Chemical composition and physical properties including water absorption and swelling were examined. The results showed that these properties were reduced significantly by heat treatment, and there is an interactive effect of temperature and time on them. Chemical ...
- DOI:
- 10.1515/hf.2010.118
- https://doi.org/10.1515/hf.2010.118
- Author:
- Kalaskar, D. M.; Ulijn, R. V.; Gough, J. E.; Alexander, M. R.; Scurr, D. J.; Sampson, W. W.; Eichhorn, S. J.
- Source:
- Cellulose 2010 v.17 no.4 pp. 747-756
- ISSN:
- 0969-0239
- Subject:
- X-ray photoelectron spectroscopy; cellulose; cellulosic fibers; couplings; ions; leucine; mass spectrometry; phenylalanine
- Abstract:
- ... Cellulosic fibrous networks are modified using 3 different amino acids; small (Glycine, Gly), aliphatic (Leucine, Leu) and aromatic (Phenylalanine, Phe). The effect of amino acid functionality on chemical coupling to cellulose fibres in terms of their coverage and packing density are investigated. Different amino acid modified cellulose networks are characterised by using Time of Flight Secondary ...
- DOI:
- 10.1007/s10570-010-9413-y
- https://doi.org/10.1007/s10570-010-9413-y
- Author:
- Inbakumar, S.; Morent, R.; De Geyter, N.; Desmet, T.; Anukaliani, A.; Dubruel, P.; Leys, C.
- Source:
- Cellulose 2010 v.17 no.2 pp. 417-426
- ISSN:
- 0969-0239
- Subject:
- X-ray photoelectron spectroscopy; air; cellulosic fibers; chemical analysis; chemical substances; cotton fabric; lint cotton; physical properties; physicochemical properties; scanning electron microscopy; weight loss
- Abstract:
- ... This paper focuses on the modification of cotton fabrics using a low pressure DC glow discharge obtained in air. The influence of different operating parameters such as treatment time, discharge power and operating pressure on the chemical and physical properties of the cotton fabrics is studied in detail. Surface analysis and characterization of the plasma-treated cotton fabrics is performed usin ...
- DOI:
- 10.1007/s10570-009-9369-y
- https://doi.org/10.1007/s10570-009-9369-y