Preparation and characterization of a novel xanthated chitosan

Sankararamakrishnan, Nalini; Sanghi, Rashmi

doi:10.1016/j.carbpol.2006.02.035

Cited by 93 publications

(72 citation statements)

References 26 publications

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“…The formed microspheres have uniform surface structure in which the microspheres lose their shape upon drying but regain them upon re-swelling. Which agreement with the results obtained by Erika Aranas et al [26]. Erika Aranas et al [26] prepared the spheres with technique similar to emulsion polymerization.…”

Section: Results and Discusssionsupporting

confidence: 88%

“…Which agreement with the results obtained by Erika Aranas et al [26]. Erika Aranas et al [26] prepared the spheres with technique similar to emulsion polymerization. Zhanga Ji et al prepared composite magnetic microspheres based on artemisia seed gum and chitosan using the suspension cross-linking technique for use in the application of magnetic carrier technology [27].…”

Section: Results and Discusssionsupporting

confidence: 88%

See 1 more Smart Citation

Preparation of biocompatible magnetic microspheres with chitosan

Nasra¹,

Mohamed²,

Elblbesy³

et al. 2011

JBNB

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Section: Results and Discusssionsupporting

confidence: 88%

Section: Results and Discusssionsupporting

confidence: 88%

Preparation of biocompatible magnetic microspheres with chitosan

Nasra¹,

Mohamed²,

Elblbesy³

et al. 2011

JBNB

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“…The uneven and porous surface of the functionalized biomaterial was changed to even and smooth surface with bright image indicating the adsorption of metal ions onto functionalized biomaterial. DRFTIR spectra were used to identify the types' of functional groups present in a molecule (Jin & Bai 2002;Sankararamakrishnan & Sanghi 2006). A broad peak around 3500 cm −1 in functionalized biomaterial was observed, which may be due to the overlapping of the hydroxyl group with nitrogen functional group.…”

Section: Results and Discusionmentioning

confidence: 99%

Regeneration and Reuse of Biomaterial for the Removal of Cadmium Ions from Waste Water

Kour

2016

J. Inst. Sci. Tech.

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The nitrogen functionalized biomaterial is used for the adsorption of Cd (II) from waste water. The application and possibility of regeneration and reuse of functionalized biomaterial were evaluated with adsorption desorption experiments. Cd (II) loaded biomaterial was eluted with sodium hydroxide, nitric acid, and hydrochloric acid. Among them 0.1 M nitric acid gave the most effective result releasing about 90% of metal ions onto the solution in six successive cycles. The result suggests the efficiency and applicability of functionalized biomaterial as a potential biosorbent in the removal of Cd (II) from waste water.

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“…The amino groups (pKa from 6.2 to 7.0) are completely protonated in acids with pKa smaller than 6.2 making chitosan soluble. Chitosan is insoluble in water, organic solvents and aqueous bases and it is soluble after stirring in acids such as acetic, nitric, hydrochloric, perchloric and phosphoric (Guibal, 2004;Kluget al, 1998;Kubota et al, 2000;Kurita, 2006;Anthonsen & Smidsroed, 1995;Rinaudo, 2006;Sankararamakrishnan & Sanghi, 2006 Food contaminations and the negative environmental impact of packaging materials currently in use have prompted the research of safer materials. Chitosan have shown great promise to be used in food industry as preservative because of its high antimicrobial activity against various microorganisms.…”

Section: Introductionmentioning

confidence: 99%