COST (European Cooperation in Science and Technology)European Cooperation in Science and Technology (COST) [CA17128]

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COST (European Cooperation in Science and Technology)European Cooperation in Science and Technology (COST) [CA17128]

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Publications

Novel amino-functionalized lignin microspheres: High performance biosorbent with enhanced capacity for heavy metal ion removal

Popović, Ana L.; Rusmirović, Jelena; Veličković, Zlate; Radovanović, Željko; Ristić, Mirjana; Pavlović, Vera P.; Marinković, Aleksandar

(Elsevier, Amsterdam, 2020)

TY  - JOUR
AU  - Popović, Ana L.
AU  - Rusmirović, Jelena
AU  - Veličković, Zlate
AU  - Radovanović, Željko
AU  - Ristić, Mirjana
AU  - Pavlović, Vera P.
AU  - Marinković, Aleksandar
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4540
AB  - Novel highly effective amino-functionalized lignin-based biosorbent in the microsphere geometry (A-LMS) for removal of heavy metal ions, was synthesized via inverse suspension copolymerization of kraft lignin with poly(ethylene imine) grafting-agent and epoxy chloropropane cross-linker. Optimization of A-LMS synthesis, performed with respect to the quantity of sodium alginate emulsifier (1, 5 and 10 wt%), provides highly porous microspheres A-LMS_5, using 5 wt% emulsifier, with 800 +/- 80 mu m diameter, 7.68 m(2) g(-1) surface area and 7.7 mmol g(-1) of terminal amino groups. Structural and surface characteristics were obtained from Brunauer-Emmett-Teller method, Fourier Transform-Infrared spectroscopy, scanning electron microscopy, X-ray photo-electron spectroscopy and porosity determination. In a batch test, the influence of pH, A-LMS_5 dose, temperature, contact time on adsorption efficiency of Ni2+, Cd2+, As(V) and Cr(VI) ions were studied. The adsorption is spontaneous and feasible with maximum adsorption capacity of 74.84, 54.20, 53.12 and 49.42 mg g(-1) for Cd2+, Cr(VI), As(V) and Ni2+ ions, respectively, obtained by using Langmuir model. Modeling of kinetic data indicated fast adsorbate removal rate with pore diffusional transport as rate limiting step (pseudo-second order model and Weber-Morris equations), thus further confirming high performances of produced bio-adsorbent for heavy metal ions removal.
PB  - Elsevier, Amsterdam
T2  - International Journal of Biological Macromolecules
T1  - Novel amino-functionalized lignin microspheres: High performance biosorbent with enhanced capacity for heavy metal ion removal
EP  - 1173
SP  - 1160
VL  - 156
DO  - 10.1016/j.ijbiomac.2019.11.152
ER  - 
@article{
author = "Popović, Ana L. and Rusmirović, Jelena and Veličković, Zlate and Radovanović, Željko and Ristić, Mirjana and Pavlović, Vera P. and Marinković, Aleksandar",
year = "2020",
abstract = "Novel highly effective amino-functionalized lignin-based biosorbent in the microsphere geometry (A-LMS) for removal of heavy metal ions, was synthesized via inverse suspension copolymerization of kraft lignin with poly(ethylene imine) grafting-agent and epoxy chloropropane cross-linker. Optimization of A-LMS synthesis, performed with respect to the quantity of sodium alginate emulsifier (1, 5 and 10 wt%), provides highly porous microspheres A-LMS_5, using 5 wt% emulsifier, with 800 +/- 80 mu m diameter, 7.68 m(2) g(-1) surface area and 7.7 mmol g(-1) of terminal amino groups. Structural and surface characteristics were obtained from Brunauer-Emmett-Teller method, Fourier Transform-Infrared spectroscopy, scanning electron microscopy, X-ray photo-electron spectroscopy and porosity determination. In a batch test, the influence of pH, A-LMS_5 dose, temperature, contact time on adsorption efficiency of Ni2+, Cd2+, As(V) and Cr(VI) ions were studied. The adsorption is spontaneous and feasible with maximum adsorption capacity of 74.84, 54.20, 53.12 and 49.42 mg g(-1) for Cd2+, Cr(VI), As(V) and Ni2+ ions, respectively, obtained by using Langmuir model. Modeling of kinetic data indicated fast adsorbate removal rate with pore diffusional transport as rate limiting step (pseudo-second order model and Weber-Morris equations), thus further confirming high performances of produced bio-adsorbent for heavy metal ions removal.",
publisher = "Elsevier, Amsterdam",
journal = "International Journal of Biological Macromolecules",
title = "Novel amino-functionalized lignin microspheres: High performance biosorbent with enhanced capacity for heavy metal ion removal",
pages = "1173-1160",
volume = "156",
doi = "10.1016/j.ijbiomac.2019.11.152"
}
Popović, A. L., Rusmirović, J., Veličković, Z., Radovanović, Ž., Ristić, M., Pavlović, V. P.,& Marinković, A.. (2020). Novel amino-functionalized lignin microspheres: High performance biosorbent with enhanced capacity for heavy metal ion removal. in International Journal of Biological Macromolecules
Elsevier, Amsterdam., 156, 1160-1173.
https://doi.org/10.1016/j.ijbiomac.2019.11.152
Popović AL, Rusmirović J, Veličković Z, Radovanović Ž, Ristić M, Pavlović VP, Marinković A. Novel amino-functionalized lignin microspheres: High performance biosorbent with enhanced capacity for heavy metal ion removal. in International Journal of Biological Macromolecules. 2020;156:1160-1173.
doi:10.1016/j.ijbiomac.2019.11.152 .
Popović, Ana L., Rusmirović, Jelena, Veličković, Zlate, Radovanović, Željko, Ristić, Mirjana, Pavlović, Vera P., Marinković, Aleksandar, "Novel amino-functionalized lignin microspheres: High performance biosorbent with enhanced capacity for heavy metal ion removal" in International Journal of Biological Macromolecules, 156 (2020):1160-1173,
https://doi.org/10.1016/j.ijbiomac.2019.11.152 . .
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Amino-modified kraft lignin microspheres as a support for enzyme immobilization

Bebić, Jelena; Banjanac, Katarina; Rusmirović, Jelena; Ćorović, Marija; Milivojević, Ana; Simović, Milica; Marinković, Aleksandar; Bezbradica, Dejan

(Royal Society of Chemistry, 2020)

TY  - JOUR
AU  - Bebić, Jelena
AU  - Banjanac, Katarina
AU  - Rusmirović, Jelena
AU  - Ćorović, Marija
AU  - Milivojević, Ana
AU  - Simović, Milica
AU  - Marinković, Aleksandar
AU  - Bezbradica, Dejan
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4510
AB  - In this research, it has been demonstrated that amino-modified microspheres (A-LMS) based on bio-waste derived material, such as kraft lignin, have good prospects in usage as a support for enzyme immobilization, since active biocatalyst systems were prepared by immobilizing beta-galactosidase fromA. oryzaeand laccase fromM. thermophilaexpressed inA. oryzae(Novozym (R) 51003) onto A-LMS. Two types of A-LMS were investigated, with different emulsifier concentrations (5 wt% and 10 wt%), and microspheres produced using 5 wt% of emulsifier (A-LMS_5) showed adequate pore shape, size and distribution for enzyme attachment. The type of interactions formed between enzymes (beta-galactosidase and laccase) and A-LMS_5 microspheres demonstrated that beta-galactosidase is predominantly attachedviaelectrostatic interactions while attachment of laccase is equally governed by electrostatic and hydrophobic interactions. Furthermore, the A-LMS_5-beta-galactosidase exhibited specificity towards recognized prebiotics (galacto-oligosaccharides (GOS)) synthesis with 1.5-times higher GOS production than glucose production, while for environmental pollutant lindane degradation, the immobilized laccase preparation exhibited high activity with a minimum remaining lindane concentration of 22.4% after 6 days. Thus, this novel enzyme immobilization support A-LMS_5 has potential for use in green biotechnologies.
PB  - Royal Society of Chemistry
T2  - RSC Advances
T1  - Amino-modified kraft lignin microspheres as a support for enzyme immobilization
EP  - 21508
IS  - 36
SP  - 21495
VL  - 10
DO  - 10.1039/d0ra03439h
ER  - 
@article{
author = "Bebić, Jelena and Banjanac, Katarina and Rusmirović, Jelena and Ćorović, Marija and Milivojević, Ana and Simović, Milica and Marinković, Aleksandar and Bezbradica, Dejan",
year = "2020",
abstract = "In this research, it has been demonstrated that amino-modified microspheres (A-LMS) based on bio-waste derived material, such as kraft lignin, have good prospects in usage as a support for enzyme immobilization, since active biocatalyst systems were prepared by immobilizing beta-galactosidase fromA. oryzaeand laccase fromM. thermophilaexpressed inA. oryzae(Novozym (R) 51003) onto A-LMS. Two types of A-LMS were investigated, with different emulsifier concentrations (5 wt% and 10 wt%), and microspheres produced using 5 wt% of emulsifier (A-LMS_5) showed adequate pore shape, size and distribution for enzyme attachment. The type of interactions formed between enzymes (beta-galactosidase and laccase) and A-LMS_5 microspheres demonstrated that beta-galactosidase is predominantly attachedviaelectrostatic interactions while attachment of laccase is equally governed by electrostatic and hydrophobic interactions. Furthermore, the A-LMS_5-beta-galactosidase exhibited specificity towards recognized prebiotics (galacto-oligosaccharides (GOS)) synthesis with 1.5-times higher GOS production than glucose production, while for environmental pollutant lindane degradation, the immobilized laccase preparation exhibited high activity with a minimum remaining lindane concentration of 22.4% after 6 days. Thus, this novel enzyme immobilization support A-LMS_5 has potential for use in green biotechnologies.",
publisher = "Royal Society of Chemistry",
journal = "RSC Advances",
title = "Amino-modified kraft lignin microspheres as a support for enzyme immobilization",
pages = "21508-21495",
number = "36",
volume = "10",
doi = "10.1039/d0ra03439h"
}
Bebić, J., Banjanac, K., Rusmirović, J., Ćorović, M., Milivojević, A., Simović, M., Marinković, A.,& Bezbradica, D.. (2020). Amino-modified kraft lignin microspheres as a support for enzyme immobilization. in RSC Advances
Royal Society of Chemistry., 10(36), 21495-21508.
https://doi.org/10.1039/d0ra03439h
Bebić J, Banjanac K, Rusmirović J, Ćorović M, Milivojević A, Simović M, Marinković A, Bezbradica D. Amino-modified kraft lignin microspheres as a support for enzyme immobilization. in RSC Advances. 2020;10(36):21495-21508.
doi:10.1039/d0ra03439h .
Bebić, Jelena, Banjanac, Katarina, Rusmirović, Jelena, Ćorović, Marija, Milivojević, Ana, Simović, Milica, Marinković, Aleksandar, Bezbradica, Dejan, "Amino-modified kraft lignin microspheres as a support for enzyme immobilization" in RSC Advances, 10, no. 36 (2020):21495-21508,
https://doi.org/10.1039/d0ra03439h . .
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