Carboxymethyl-β-cyclodextrin conjugated magnetic nanoparticles as nano-adsorbents for removal of copper ions: Synthesis and adsorption studies

Badruddoza, Abu Zayed Md; Tay, Astrid; Tan, Puay Yok; Hidajat, K.; Uddin, M.S.

doi:10.1016/j.jhazmat.2010.10.029

Cited by 521 publications

(179 citation statements)

References 54 publications

(87 reference statements)

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“…One of the modified derivatives is carboxymethyl-β-cyclodextrin (CM-β-CD), which has the carboxylmethyl groups on the sides of β-CD. Nowadays, CM-β-CD is widely used in many fields [27][28][29][30]. For instance, Furusaki groups successfully synthesized the conjugate of CM-β-CD with chitosan, which demonstrated the better inclusion ability with 6-(ptoluidino)-2-naphthalene-6-sulfonate [27].…”

Section: Introductionmentioning

confidence: 99%

Resveratrol Functionalized Carboxymethyl-β-Cyclodextrin: Synthesis, Characterization, and Photostability

Cheng

Tian

Huang

et al. 2018

Journal of Chemistry

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e resveratrol functionalized carboxymethyl-β-cyclodextrin conjugate was synthesized by two simple steps. e conjugate was successfully demonstrated by 1 H NMR, 13 C NMR, UV, and FTIR. e photostability of the conjugate was studied by ultraviolet absorption spectrum. After 360 min of UV light irradiation, the conjugate showed a total loss in absorbance of only 12.54%, while the resveratrol and its CM-β-CD inclusion complex showed a total loss in absorbance of 32.15% and 24.05%, respectively. e results indicate that the conjugate was more stable than resveratrol and its CM-β-CD inclusion complex.

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Section: Introductionmentioning

confidence: 99%

Resveratrol Functionalized Carboxymethyl-β-Cyclodextrin: Synthesis, Characterization, and Photostability

Cheng

Tian

Huang

et al. 2018

Journal of Chemistry

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“…So, CDPs cannot remove 100% Cu 2+ in solution and similar amount of ions always remains after adsorption in same volume of solution. Moreover, this study also revealed that unit gram of β-CDP have high potential to separate large quantity of Cu 2+ ions (118 mg/g) in compare with other conventional sorption methodology [10] Besides, it was expected that the derivatives of copper CuCl 2. 2H 2 O, Cu(CH 3 COO) 2 and CuSO 4 .5H 2 O will have different grade of interaction with β-CDP.…”

Section: Effects Of Adsorbent and Adsorbate Concentrationmentioning

confidence: 66%

Application of α, β and γ cyclodextrin polyurethanes in the removal of size specific copper derivatives

Sikder¹,

Hosokawa²,

Saito³

et al. 2011

Water and Society

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Copper can be found in many wastewater sources including, printed circuit board manufacturing, electronics plating, plating, wire drawing, copper polishing, paint manufacturing, wood preservatives and printing operations. Typical concentrations vary from several thousand ppm from plating bath waste to less than 1 ppm from copper cleaning operations. Copper can be removed from wastewater by precipitation as an insoluble hydroxide salt or by ion exchange. In this study, single batch adsorption experiment of copper derivatives, e.g. CuCl 2. 2H 2 O, Cu(CH 3 COO) 2 and CuSO 4 .5H 2 O from aqueous solutions with epichlorohydrin linked α, β and γ cyclodextrin polyurethanes (CDPs) have been investigated for a wide range of experimental conditions: pH, metal concentration and CDP amounts. The aim of this study was to specify highly effective derivatives of copper to fit on the CDP backbone as the size of the copper molecules is different to each other. Recent studies have shown that α, β and γ CDPs are capable of removing copper ions of all derivatives from water to desirable levels with enhanced sorption capabilities. The adsorption efficiencies of CDPs were surprisingly similar and found to be independent for each type of copper derivatives. The phosphate buffer with pH 6.5-7.5 was found the best alkaline environment to remove the ions. Current technologies have been removed 95% copper ions from solution and unit gram of β-CDP was capable to remove 118 mg of copper ions. These polymers already established as the good carries of organic substances and by combining the inorganic compounds removal, it may be possible to develop a simultaneous system to confiscate both organic and inorganic compounds from waste water.

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“…The grid was dried at room temperature for 24 h prior to analysis. 12 The nanoparticle size was determined by DLS. FTIR spectroscopy (AMX) was performed in the range of 500-4000 cm −1 in a KBr matrix to characterize all MNPs.…”

Section: +mentioning

confidence: 99%

“…[10][11][12] In addition to their complex-forming properties, carbohydrate-bonded MNPs have the advantage of being reusable. 13 This paper describes the synthesis of MNPs by novel functionalization using Cys derivatives.…”

mentioning

confidence: 99%

Synthesis of Microbial Cyclosophoraose Derivatives Grafted Magnetic Nanoparticles

Piao¹,

Tahir²,

Cho³

et al. 2014

Bulletin of the Korean Chemical Society

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Carboxymethyl-β-cyclodextrin conjugated magnetic nanoparticles as nano-adsorbents for removal of copper ions: Synthesis and adsorption studies

Cited by 521 publications

References 54 publications

Resveratrol Functionalized Carboxymethyl-β-Cyclodextrin: Synthesis, Characterization, and Photostability

Resveratrol Functionalized Carboxymethyl-β-Cyclodextrin: Synthesis, Characterization, and Photostability

Application of α, β and γ cyclodextrin polyurethanes in the removal of size specific copper derivatives

Synthesis of Microbial Cyclosophoraose Derivatives Grafted Magnetic Nanoparticles

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