Cysteine-assisted tailoring of adsorption properties and particle size of polymer and carbon spheres

A series of cysteine-stabilized phenolic resin-based polymer and carbon spheres were prepared by the modified Stöber method. Cysteine plays a very important role in the proposed one-pot synthesis of the aforementioned spheres; namely, it acts as a particle stabilizer and a source of heteroatoms (nit...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 29(2013), 12 vom: 26. März, Seite 4032-8
1. Verfasser: Wickramaratne, Nilantha P (VerfasserIn)
Weitere Verfasser: Perera, Vindya S, Ralph, James M, Huang, Songping D, Jaroniec, Mietek
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Phenols Polymers Formaldehyde 1HG84L3525 Sulfur 70FD1KFU70 Carbon 7440-44-0 mehr... phenol-formaldehyde resin 9003-35-4 Cysteine K848JZ4886 Copper Sulfate LRX7AJ16DT Nitrogen N762921K75
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245 1 0 |a Cysteine-assisted tailoring of adsorption properties and particle size of polymer and carbon spheres 
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500 |a Date Revised 21.11.2013 
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500 |a Citation Status MEDLINE 
520 |a A series of cysteine-stabilized phenolic resin-based polymer and carbon spheres were prepared by the modified Stöber method. Cysteine plays a very important role in the proposed one-pot synthesis of the aforementioned spheres; namely, it acts as a particle stabilizer and a source of heteroatoms (nitrogen and sulfur) that can be introduced into these spheres. The diameter of these spheres can be tuned in the range of 70-610 nm by adjusting the cysteine amount and reaction temperature. Since polymer spheres obtained in the presence of cysteine contain sulfur and nitrogen heteroatoms, they were tested for adsorption of copper ions. It is shown that adsorption isotherms recorded for copper ions can be well fitted by Langmuir equation, giving unprecedented adsorption capacities up to ~65 mg/g 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Formaldehyde  |2 NLM 
650 7 |a 1HG84L3525  |2 NLM 
650 7 |a Sulfur  |2 NLM 
650 7 |a 70FD1KFU70  |2 NLM 
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650 7 |a phenol-formaldehyde resin  |2 NLM 
650 7 |a 9003-35-4  |2 NLM 
650 7 |a Cysteine  |2 NLM 
650 7 |a K848JZ4886  |2 NLM 
650 7 |a Copper Sulfate  |2 NLM 
650 7 |a LRX7AJ16DT  |2 NLM 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
700 1 |a Perera, Vindya S  |e verfasserin  |4 aut 
700 1 |a Ralph, James M  |e verfasserin  |4 aut 
700 1 |a Huang, Songping D  |e verfasserin  |4 aut 
700 1 |a Jaroniec, Mietek  |e verfasserin  |4 aut 
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