Matches in SemOpenAlex for { <https://semopenalex.org/work/W1992478030> ?p ?o ?g. }
- W1992478030 abstract "Gold nanoparticles (Au nps) were synthesized in the matrix of a plasticized anion-exchange membrane. The membrane was prepared by solvent casting of the solution containing a liquid anion exchanger trioctylmethylammonium chloride (Aliquat-336), a matrix-forming polymer cellulose triacetate (CTA), and a plasticizer dioctyl phthalate (DOP) dissolved in CH(2)Cl(2). For in situ synthesis of Au nps, the membrane samples were equilibrated with a well-stirred solution containing 0.01 mol L(-1)HAuCl(4). AuCl(4)(-) ions were transferred to membrane matrix as an ion pair with Aliquat-336 by an ion-exchange mechanism. In a second step, AuCl(4)(-) ion-loaded membrane samples were placed in a well-stirred 0.1 mol L(-1) aqueous solution of NaBH(4) for reduction. It was observed that 80% of the anion-exchange sites were readily available for the exchange process after formation of the Au nps. The content of Au nps in the membrane was increased either by increasing the concentration of the Aliquat-336 in membrane or by repeating sequential cycles of loading of AuCl(4)(-) ions followed by reduction with BH(4)(-) in the membrane matrix. TEM images of a cross section of the membrane showed that Au nps were dispersed throughout the matrix of the membrane but excluded from the surface. The size distribution of the nps was found to be dependent on Au content in the membrane. For example, 7- to 16-nm Au nps with average size 10 nm were observed in the membrane after the first cycle of synthesis. On increasing the Au content in the membrane by repeating the cycle of synthesis, the size dispersion of nps broadened from 5 to 20 nm without affecting the average size. The lambda(max) (530 nm) and intensity of the surface plasmon band of Au nps embedded in the matrix of membrane were found to remain unaltered over a testing period of a month in the samples kept in water as well as in air under ambient conditions. This indicated that Au nps were quite stable in the membrane matrix. The experimental information obtained by the radiotracers and energy-dispersive X-ray fluorescence (EDXRF) analyses has been used to understand the process of Au nps formation in the membrane matrix." @default.
- W1992478030 created "2016-06-24" @default.
- W1992478030 creator A5011822238 @default.
- W1992478030 creator A5019103151 @default.
- W1992478030 creator A5028124409 @default.
- W1992478030 creator A5041281339 @default.
- W1992478030 creator A5066710305 @default.
- W1992478030 creator A5081614187 @default.
- W1992478030 creator A5089548656 @default.
- W1992478030 date "2009-09-01" @default.
- W1992478030 modified "2023-09-24" @default.
- W1992478030 title "In situ formation of stable gold nanoparticles in polymer inclusion membranes" @default.
- W1992478030 cites W170241576 @default.
- W1992478030 cites W182087549 @default.
- W1992478030 cites W1970063885 @default.
- W1992478030 cites W1970421658 @default.
- W1992478030 cites W1974116096 @default.
- W1992478030 cites W1974580997 @default.
- W1992478030 cites W1981854331 @default.
- W1992478030 cites W1981907403 @default.
- W1992478030 cites W1984772865 @default.
- W1992478030 cites W1987837090 @default.
- W1992478030 cites W1990977632 @default.
- W1992478030 cites W1991918634 @default.
- W1992478030 cites W1998240571 @default.
- W1992478030 cites W2002865400 @default.
- W1992478030 cites W2019072262 @default.
- W1992478030 cites W2020183774 @default.
- W1992478030 cites W2021259954 @default.
- W1992478030 cites W2040552803 @default.
- W1992478030 cites W2041359835 @default.
- W1992478030 cites W2043321751 @default.
- W1992478030 cites W2050720982 @default.
- W1992478030 cites W2057617123 @default.
- W1992478030 cites W2062653838 @default.
- W1992478030 cites W2071773769 @default.
- W1992478030 cites W2076736480 @default.
- W1992478030 cites W2078973853 @default.
- W1992478030 cites W2080592273 @default.
- W1992478030 cites W2082405251 @default.
- W1992478030 cites W2090626200 @default.
- W1992478030 cites W2094255943 @default.
- W1992478030 cites W2120626151 @default.
- W1992478030 cites W2128447328 @default.
- W1992478030 cites W4245982689 @default.
- W1992478030 doi "https://doi.org/10.1016/j.jcis.2009.05.060" @default.
- W1992478030 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/19564023" @default.
- W1992478030 hasPublicationYear "2009" @default.
- W1992478030 type Work @default.
- W1992478030 sameAs 1992478030 @default.
- W1992478030 citedByCount "24" @default.
- W1992478030 countsByYear W19924780302012 @default.
- W1992478030 countsByYear W19924780302013 @default.
- W1992478030 countsByYear W19924780302014 @default.
- W1992478030 countsByYear W19924780302015 @default.
- W1992478030 countsByYear W19924780302016 @default.
- W1992478030 countsByYear W19924780302017 @default.
- W1992478030 countsByYear W19924780302018 @default.
- W1992478030 countsByYear W19924780302019 @default.
- W1992478030 countsByYear W19924780302020 @default.
- W1992478030 countsByYear W19924780302021 @default.
- W1992478030 crossrefType "journal-article" @default.
- W1992478030 hasAuthorship W1992478030A5011822238 @default.
- W1992478030 hasAuthorship W1992478030A5019103151 @default.
- W1992478030 hasAuthorship W1992478030A5028124409 @default.
- W1992478030 hasAuthorship W1992478030A5041281339 @default.
- W1992478030 hasAuthorship W1992478030A5066710305 @default.
- W1992478030 hasAuthorship W1992478030A5081614187 @default.
- W1992478030 hasAuthorship W1992478030A5089548656 @default.
- W1992478030 hasConcept C117760992 @default.
- W1992478030 hasConcept C127413603 @default.
- W1992478030 hasConcept C13965031 @default.
- W1992478030 hasConcept C145148216 @default.
- W1992478030 hasConcept C155672457 @default.
- W1992478030 hasConcept C178790620 @default.
- W1992478030 hasConcept C179104552 @default.
- W1992478030 hasConcept C184651966 @default.
- W1992478030 hasConcept C185592680 @default.
- W1992478030 hasConcept C2775863688 @default.
- W1992478030 hasConcept C2780471494 @default.
- W1992478030 hasConcept C2781178581 @default.
- W1992478030 hasConcept C2992805683 @default.
- W1992478030 hasConcept C41625074 @default.
- W1992478030 hasConcept C42360764 @default.
- W1992478030 hasConcept C43617362 @default.
- W1992478030 hasConcept C4725764 @default.
- W1992478030 hasConcept C521977710 @default.
- W1992478030 hasConcept C55493867 @default.
- W1992478030 hasConcept C58968531 @default.
- W1992478030 hasConceptScore W1992478030C117760992 @default.
- W1992478030 hasConceptScore W1992478030C127413603 @default.
- W1992478030 hasConceptScore W1992478030C13965031 @default.
- W1992478030 hasConceptScore W1992478030C145148216 @default.
- W1992478030 hasConceptScore W1992478030C155672457 @default.
- W1992478030 hasConceptScore W1992478030C178790620 @default.
- W1992478030 hasConceptScore W1992478030C179104552 @default.
- W1992478030 hasConceptScore W1992478030C184651966 @default.
- W1992478030 hasConceptScore W1992478030C185592680 @default.
- W1992478030 hasConceptScore W1992478030C2775863688 @default.
- W1992478030 hasConceptScore W1992478030C2780471494 @default.