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Biochars derived from carp residues: characteristics and copper immobilization performance in water environments

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1672-6

Abstract:

● P-rich carp residues-derived biochars presented excellent Cu sorption capacity.

Keywords: Biowaste     Pyrolytic temperature     Immobilization     Bioavailability     Remediation    

Noncovalent immobilization of MnP from on carbon nanotubes

Jiaxi LI , Xianghua WEN ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 294-299 doi: 10.1007/s11783-009-0041-4

Abstract: Manganese peroxidases (MnP) from were adsorbed onto multi-walled carbon nanotubes (MWNT). Four different loadings of MnP on MWNTs were investigated, and the maximum enzyme loading of 47.5 µg/mg of MWNTs was obtained in 12 h. The adsorbed MnP showed a catalytic activity of up to 0.1 U/mg of the weight of the system of MnP/MWNTs, with 23% of its original activity retained. The AFM image of the adsorbed enzymes indicated that a layer of MnP covered the surface of the MWNTs and retained its original three-dimensional shape. Amino-based nonspecific interactions may play the dominant role in the adsorption of MnP on MWNTs.

Keywords: manganese peroxidases (MnP)     Phanerochaete chrysosporium     carbon nanotubes     immobilization     catalytic activity    

Immobilization of

Xiaokai SONG,Zhongyi JIANG,Lin LI,Hong WU

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 353-361 doi: 10.1007/s11705-014-1421-2

Abstract: Mesoporous silica particles were prepared for efficient immobilization of the -glucuronidase (GUS) through

Keywords: storage and recycling stability     silica nanoparticles     biocatalysis     biomimetic synthesis     β-glucuronidase encapsulation    

Contributions of adsorption, bioreduction and desorption to uranium immobilization by extracellular polymeric

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1707-z

Abstract:

● EPS immobilizes U(VI) via adsorption, bioreduction and desorption.

Keywords: Adsorption     Bioreduction     Desorption     Kinetics     Isotherm     Uranium    

Surface modification of biomaterials by photochemical immobilization and photograft polymerization to

Yakai FENG, Haiyang ZHAO, Li ZHANG, Jintang GUO,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 372-381 doi: 10.1007/s11705-010-0005-z

Abstract: strategies to improve the hemocompatibility of biomaterials by surface modification using photochemical immobilizationapproaches to modify biomaterial surfaces for improving the hemocompatibility, i.e., bioinert surfaces, immobilization

Keywords: biomimetic amphiphilic     amphiphilic phosphorylcholine     endothelial     functional     biomaterial    

Immobilization of Cu

Lei ZHENG,Wei WANG,Wei QIAO,Yunchun SHI,Xiao LIU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 642-648 doi: 10.1007/s11783-014-0707-4

Abstract: The present research explored the application of geopolymerization for the immobilization and solidificationThe influence of alkaline activator dosage and type on the heavy metal ion immobilization efficiencyA geopolymer with the highest heavy metal immobilization efficiency was identified to occur at an intermediateNa SiO dosage and the metal immobilization efficiency showed an orderly increase with the increasing

Keywords: geopolymer     heavy metal     immobilization     solidification    

Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 784-794 doi: 10.1007/s11705-022-2278-4

Abstract: In situ encapsulation is an effective way to synthesize enzyme@metal–organic framework biocatalysts; however, it is limited by the conditions of metal–organic framework synthesis and its acid-base stability. Herein, a biocatalytic platform with improved acid-base stability was constructed via a one-pot method using bismuth-ellagic acid as the carrier. Bismuth-ellagic acid is a green phenol-based metal–organic framework whose organic precursor is extracted from natural plants. After encapsulation, the stability, especially the acid-base stability, of amyloglucosidases@bismuth-ellagic acid was enhanced, which remained stable over a wide pH range (2–12) and achieved multiple recycling. By selecting a suitable buffer, bismuth-ellagic acid can encapsulate different types of enzymes and enable interactions between the encapsulated enzymes and cofactors, as well as between multiple enzymes. The green precursor, simple and convenient preparation process provided a versatile strategy for enzymes encapsulation.

Keywords: bismuth-ellagic acid     in situ encapsulation     enzyme@MOF biocomposites    

Immobilization and characterization of the mycelia-embedded polylysine-alginate beads and their decolorization

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2001-2013 doi: 10.1007/s11705-023-2341-9

Abstract: The immobilization of L. deliciosus mycelia could improve the decolorization of Coomassie brilliant

Keywords: Lactarius deliciosus mycelia     immobilization     decolorization     polylysine-alginate beads     Coomassie    

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1488-1

Abstract:

• Adding kaolin/zeolite promotes the formation of stable heavy metals.

Keywords: Co-pyrolysis     Sewage sludge     Heavy metals     Rotary kiln     Immobilization mechanism    

Immobilized

Pei MA, Dan ZHANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 498-508 doi: 10.1007/s11783-012-0429-4

Abstract: To investigate the potential use of ( ) residue for Cd adsorption, poly alcohol Na alginate (PVA) was applied to immobilize it. The parameters including contact time, pH, adsorbent dosages, and coexisting metal ions were studied. The suitable pH for immobilized was 4–7 wider than that for raw (pH 6–7). In the presence of Pb concentration varying from 0 to 30 mg·L , the Cd adsorption ratios declined by 6.71% and 47.45% for immobilized and raw , respectively. While, with the coexisting ion Cu concentration varied from 0 to 30 mg·L , the Cd adsorption ratios declined by 12.97% and 50.56% for immobilized and raw , respectively. The Cd adsorption isotherms in single–metal and dual-metal solutions were analyzed by using Langmuir, Freundlich, and Dubinin–Radushkevich models. The Cd adsorption capacities ( ) in single-metal solution were 6.448 mg·L and 2.832 mg·L for immobilized and raw , respectively. The of immobilized were 1.850 mg Cd·g in Cd + Pb solution and 3.961 mg Cd·g in Cd + Cu solution, respectively. The Cd adsorption processes subjected to both adsorbents follow pseudo-second-order model. Mechanism study showed the functional group of was –OH, –NH, –CO, and PVA played an important role in metal adsorbing. Mining wastewater treatment test showed that PVA–SA-immobilized was effective in mixed pollutant treatment even for wastewater containing metal ions in very low concentration.

Keywords: immobilization     Lentinus edodes residue     competitive adsorption     isotherm    

Insights into influence of aging processes on zero-valent iron modified biochar in copper(II) immobilization

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 880-892 doi: 10.1007/s11705-022-2282-8

Abstract: The zero-valent iron modified biochar materials are widely employed for heavy metals immobilization.

Keywords: zero-valent iron modified biochar     aging processes     copper removal     adsorption     pilot-scale experiments    

Dendrimer-induced synthesis of porous organosilica capsules for enzyme encapsulation

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 4, doi: 10.1007/s11705-024-2400-x

Abstract: Organic matter-induced mineralization is a green and versatile method for synthesizing hybrid nanostructured materials, where the material properties are mainly influenced by the species of natural biomolecules, linear synthetic polymer, or small molecules, limiting their diversity. Herein, we adopted dendrimer poly(amidoamine) (PAMAM) as the inducer to synthesize organosilica-PAMAM network (OSPN) capsules for mannose isomerase (MIase) encapsulation based on a hard-templating method. The structure of OSPN capsules can be precisely regulated by adjusting the molecular weight and concentration of PAMAM, thereby demonstrating a substantial impact on the kinetic behavior of the MIase@OSPN system. The MIase@OSPN system was used for catalytic production of mannose from D-fructose. A mannose yield of 22.24% was obtained, which is higher than that of MIase in organosilica network capsules and similar to that of the free enzyme. The overall catalytic efficiency (kcat/Km) of the MIase@OSPN system for the substrate D-fructose was up to 0.556 s−1·mmol−1·L. Meanwhile, the MIase@OSPN system showed excellent stability and recyclability, maintaining more than 50% of the yield even after 12 cycles.

Keywords: enzyme immobilization     enzyme catalysis     organosilica networks     capsules     sugar biosynthesis    

Review on remediation technologies for arsenic-contaminated soil

Xiaoming Wan, Mei Lei, Tongbin Chen

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1203-7

Abstract: . • Phytoextraction and chemical immobilization are the most widely used methods. • Novel remediationFor chemical methods, common soil washing or immobilization agents were summarized.

Keywords: Arsenic     field-scale     Immobilization     Phytoextraction     Soil washing    

Immobilization of laccase on organic–inorganic nanocomposites and its application in the removal of phenolic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 867-879 doi: 10.1007/s11705-022-2277-5

Abstract: amount (77.8 mg∙g‒1) and activity retention (75.5%) could be achieved under the optimum immobilizationOrganic–inorganic nanomaterials have a good application prospect for laccase immobilization, and the

Keywords: polydopamine     pollutant removal     thermodynamic     phenolic pollutants     immobilized laccase    

Biosorption of Cd

Fengyu ZAN, Shouliang HUO, Beidou XI, Xiulan ZHAO

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 51-58 doi: 10.1007/s11783-011-0206-9

Abstract: The biosorption of Cd and Cu onto the immobilized ( ) was investigated in this study. Adsorption kinetics, isotherms and the effect of pH were studied. The results indicated that the biosorption of Cd and Cu on the immobilized was fast at initial stage and then became slow. The maximum biosorption of heavy metal ions on immobilized were observed at pH 4 for Cd and Cu . by the pseudo-second-order model described the sorption kinetic data well according to the high correlation coefficient ( ) obtained. The biosorption isotherm was fitted well by the Langmuir model, indicating possible mono-layer biosorption of Cd and Cu on the immobilized . Moreover, the immobilized after the sorption of Cd and Cu could be regenerated and reused.

Keywords: Saccharomyces cerevisiae (S. cerevisiae)     biosorption     heavy metals     immobilization    

Title Author Date Type Operation

Biochars derived from carp residues: characteristics and copper immobilization performance in water environments

Journal Article

Noncovalent immobilization of MnP from on carbon nanotubes

Jiaxi LI , Xianghua WEN ,

Journal Article

Immobilization of

Xiaokai SONG,Zhongyi JIANG,Lin LI,Hong WU

Journal Article

Contributions of adsorption, bioreduction and desorption to uranium immobilization by extracellular polymeric

Journal Article

Surface modification of biomaterials by photochemical immobilization and photograft polymerization to

Yakai FENG, Haiyang ZHAO, Li ZHANG, Jintang GUO,

Journal Article

Immobilization of Cu

Lei ZHENG,Wei WANG,Wei QIAO,Yunchun SHI,Xiao LIU

Journal Article

Enzyme@bismuth-ellagic acid: a versatile platform for enzyme immobilization with enhanced acid-base stability

Journal Article

Immobilization and characterization of the mycelia-embedded polylysine-alginate beads and their decolorization

Journal Article

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Journal Article

Immobilized

Pei MA, Dan ZHANG

Journal Article

Insights into influence of aging processes on zero-valent iron modified biochar in copper(II) immobilization

Journal Article

Dendrimer-induced synthesis of porous organosilica capsules for enzyme encapsulation

Journal Article

Review on remediation technologies for arsenic-contaminated soil

Xiaoming Wan, Mei Lei, Tongbin Chen

Journal Article

Immobilization of laccase on organic–inorganic nanocomposites and its application in the removal of phenolic

Journal Article

Biosorption of Cd

Fengyu ZAN, Shouliang HUO, Beidou XI, Xiulan ZHAO

Journal Article