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Preparation of polysulfone-based block copolymer ultrafiltration membranes by selective swelling and sacrificing nanofillers

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 745-754 doi: 10.1007/s11705-021-2038-x

Abstract: 3 nanoparticles as the sacrificial nanofillers.Different contents of CaCO3 nanoparticles were doped into the solution of polysulfone-bThe CaCO3 nanoparticles dispersed in polysulfone-b-poly(ethylene glycol) were subsequentlyetched away by hydrochloric acid and the spaces initially occupied by CaCO3 provided extraincrease in the CaCO3 content led to partial collapse of the membrane.

Keywords： block copolymers     selective swelling     ultrafiltration     CaCO3 nanoparticles     sacrificial nanofillers    

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Investigation on multiple-melting behavior of nano-CaCO3/polypropylene composites

LIN Zhidan, ZENG Chunlian, MAI Kancheng

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 81-86 doi: 10.1007/s11705-007-0017-5

Abstract: The multiple melting-peak behavior of polypropylene (PP) in nano-CaCO/PP composites and modified nano-CaCOThe result indicated that the addition of nano-CaCO markedly increased the crystallization temperaturesThe crystallization temperatures of nano-CaCO/PP composites modified by reactive monomers were furtherWhile in the presence of dicumyl peroxide, nano-CaCO/PP composites modified by reactive monomers ledintensity of high-temperature melting peak was higher than that of low-temperature melting peak in nano-CaCO

Keywords： polypropylene     nano-CaCO/PP     presence     melting-peak behavior     low-temperature    

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Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Frontiers of Chemical Science and Engineering   Pages 1659-1671 doi: 10.1007/s11705-022-2173-z

Abstract: Here, CaCO3 hollow microspheres, a high-value product was synthesized from such a reactionIt is found that there is a transformation of CaCO3 particles from solid-cubic nuclei to hollowabsence of auxiliaries, the formation of hollow structures mainly depended on the growth and aging of CaCO3.3 particles from cubic calcite to spherical clusters.

Keywords： distiller waste     CO2     hollow microsphere     CaCO3     Ca(OH)2     inside−out    

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osmosis coupled with lime-soda ash softening for volume minimization of reverse osmosis concentrate and CaCO3 recovery: A case study on the coal chemical industry

Jiandong Lu, Shijie You, Xiuheng Wang

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1301-6

Abstract: softening • Enhanced water recovery from 54% to 86% by mitigation of FO membrane scaling • High-purity CaCO3FO-CS) for the volume minimization of CCI ROC and the recovery of valuable resources in the form of CaCO3In addition, CaCO3 (92.2% purity) was recovered from the softening sludge with an average yield of 5.6kg/m3 treated ROC.

Keywords： Coal chemical industry     Forward osmosis     Chemical softening     Reverse osmosis concentrate    

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Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1519-6

Abstract:

• 4-chlorophenol biodegradation could be enhanced in Fe2O3<

Keywords： Dechlorination     Fe2O3 nanoparticles     Electron transfer     Microbial community    

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VITHM1 mediated green synthesis of silver nanoparticles: Mechanism and biological applications

Mani Abirami, Krishnan Kannabiran

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 542-551 doi: 10.1007/s11705-016-1599-6

Abstract: We present the microbial green synthesis of silver nanoparticles (NPs) by VITHM1 strain (MTCC No. 12465The 3D structure of the unit cell of the synthesized AgNPs was determined using XRD data base.

Keywords： Streptomyces ghanaensis VITHM1     nanoparticles     3D structure     antibacterial activity    

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Fluoride ions adsorption from water by CaCO enhanced Mn–Fe mixed metal oxides

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 236-248 doi: 10.1007/s11705-022-2193-8

Abstract: Novel CaCO3-enhanced Mn–Fe mixed metal oxides (CMFC) were successfully prepared for the first

Keywords： mesoporous materials     metal oxides     fluoride ion     adsorption mechanism    

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Effects of iron oxide nanoparticles on phenotype and metabolite changes in hemp clones ( L.)

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1569-9

Abstract:

● Fe3O4 NPs increased the biomass and chlorophyll

Keywords： Fe3O4 nanoparticle     Hemp     Growth enhancement     THC     Metabolite    

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A novel approach in preparing polymer/nano-CaCO composites

LIU Zhengying, YU Runze, YANG Mingbo, FENG Jianmin, YANG Wei, YIN Bo

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 115-122 doi: 10.1007/s11705-008-0020-5

Abstract: An novel compounding process using nano-CaCO aqueous suspension for preparing polymer/nano-CaCO compositeswith nanoparticles dispersed at the nanoscale is reported.The dispersion of nano-CaCO in the matrix of the polymer at the nanoscale was confirmed by scanning electronThe mechanical properties of the composite with 1.5 wt-% nano-CaCO improve slightly.

Keywords： preparation     suitable     nano-CaCO     pre-dispersed nanoparticle     processing    

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A Screening Model for Probiotics Against Specific Metabolic Diseases Based on Caco-2 Monolayer Membrane Article

Yang Liu, Jiang Peng, Shiya Zhu, Leilei Yu, Fengwei Tian, Jianxin Zhao, Hao Zhang, Wei Chen, Qixiao Zhai

Engineering 2023, Volume 25, Issue 6,   Pages 222-233 doi: 10.1016/j.eng.2022.02.014

Abstract: In the present study, a Caco-2 cell monolayer membrane model treated with tumor necrosis factor (TNF-This study established a potential in vitro approach based on a Caco-2 cell monolayer membrane model

Keywords： Lactobacillus     Intestinal barrier     Caco-2 cells     Screening model     Metabolic diseases    

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Fe3O4 encapsulated mesoporous silica nanospheres with tunable size and large void

Tingting LIU, Lihong LIU, Jian LIU, Shaomin LIU, Shi Zhang QIAO

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 114-122 doi: 10.1007/s11705-014-1413-2

Abstract: Magnetic Fe O and mesoporous silica core-shell nanospheres with tunable size from 110–800 nm were synthesized via a one step self-assembly method. The morphological, structural, textural, and magnetic properties were well-characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, N adsorption-desorption and magnetometer. These nanocomposites, which possess high surface area, large pore volume and well-defined pore size, exhibit two dimensional hexagonal ( 6mm) mesostructures. Interestingly, magnetic core and mesoporous silica shell nanocomposites with large void pore (20 nm) on the shell were generated by increasing the ratio of ethanol/water. Additionally, the obtained nanocomposites combined magnetization response and large void pore, implying the possibility of applications in drug/gene targeting delivery. The cell internalization capacity of NH -functionalized nanocomposites in the case of cancer cells (HeLa cells) was exemplified to demonstrate their nano-medicine application.

Keywords： mesoporous silicas     magnetic nanoparticles     core-shell nanoparticles     cell uptake    

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Translocation and biotoxicity of metal (oxide) nanoparticles in the wetland-plant system

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1432-4

Abstract:

• Aquatic plants are more likely to absorb TiO2 NPs that are beneficial to them.

Keywords： Constructed wetlands     Aquatic plants     Nanoparticles     Physiological activity     Biomass    

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Gold nanoparticles/single-stranded DNA-reduced graphene oxide nanocomposites based electrochemical biosensor

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1572-1582 doi: 10.1007/s11705-021-2112-4

Abstract: High density and uniform distribution of the gold nanoparticles functionalized single-stranded DNA modifiedThe positive gold nanoparticles prepared by phase inversion method exhibited good dimensional homogeneitybiocompatibility and provided the preferable surface with negative charge for further assembling of gold nanoparticlesto obtain gold nanoparticles/single-stranded DNA modified reduced graphene oxide nanocomposites withThe modified gold nanoparticles could further catalyze the products of cholesterol oxidation catalyzed

Keywords： reduced graphene oxide     gold nanoparticles     electrochemical biosensor     cholesterol oxidase     cholesterol    

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polymeric substances from activated sludge on the aggregation kinetics of silver and silver sulfide nanoparticles

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1450-2

Abstract:

• The NPs aggregation in the electrolyte solution is consistent with the DLVO theory.

Keywords： Silver nanoparticles     Silver sulfide nanoparticles     Extracellular polymeric substances     Aggregation kinetics    

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A magnetic adsorbent based on salicylic acid-immobilized magnetite nano-particles for pre-concentration of Cd(II) ions

Hossein Abdolmohammad-Zadeh, Arezu Salimi

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 450-459 doi: 10.1007/s11705-020-1930-0

Abstract: In this research, an eco-friendly magnetic adsorbent based on Fe O /salicylic acid nanocomposite was fabricated using a facile one-pot co-precipitation method. The crystalline and morphological characterization of the prepared nanocomposite was performed by field emission scanning electron microscopy, X-ray diffraction, and Fourier transform infrared spectroscopy. The nanocomposite was employed as a magnetic solid-phase extraction agent for separation of Cd(II) ions from synthetic solutions. Some experimental factors affecting the extraction efficiency were investigated and optimized. Following elution with acetic acid (pH 3.5), the pre-concentrated analyte was quantified by flame atomic absorption spectrometry. In optimal conditions, a linear calibration graph was achieved in the concentration range of 0.2‒30 ng·mL with a determination coefficient ( ) of 0.9953. The detection limit, the enhancement factor, inter- and intra-day relative standard deviations (for six consecutive extractions at the concentration level of 10 ng·mL ) were 0.04 ng·mL , 100, 2.38% and 1.52%, respectively. To evaluate the accuracy of the method, a certified reference material (NIST SRM 1643e) was analyzed, and there was a good agreement between the certified and the measured values. It was successfully utilized to determine cadmium in industrial wastewater samples and the attained relative recovery values were between 96.8% and 103.2%.

Keywords： cadmium     magnetic solid-phase extraction     Fe3O4 nanoparticles     Fe3O   

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Title Author Date Type Operation

Preparation of polysulfone-based block copolymer ultrafiltration membranes by selective swelling and sacrificing nanofillers

Journal Article

Investigation on multiple-melting behavior of nano-CaCO3/polypropylene composites

LIN Zhidan, ZENG Chunlian, MAI Kancheng

Journal Article

Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Journal Article

osmosis coupled with lime-soda ash softening for volume minimization of reverse osmosis concentrate and CaCO3 recovery: A case study on the coal chemical industry

Jiandong Lu, Shijie You, Xiuheng Wang

Journal Article

Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term

Journal Article

VITHM1 mediated green synthesis of silver nanoparticles: Mechanism and biological applications

Mani Abirami, Krishnan Kannabiran

Journal Article

Fluoride ions adsorption from water by CaCO enhanced Mn–Fe mixed metal oxides

Journal Article

Effects of iron oxide nanoparticles on phenotype and metabolite changes in hemp clones ( L.)

Journal Article

A novel approach in preparing polymer/nano-CaCO composites

LIU Zhengying, YU Runze, YANG Mingbo, FENG Jianmin, YANG Wei, YIN Bo

Journal Article

A Screening Model for Probiotics Against Specific Metabolic Diseases Based on Caco-2 Monolayer Membrane

Yang Liu, Jiang Peng, Shiya Zhu, Leilei Yu, Fengwei Tian, Jianxin Zhao, Hao Zhang, Wei Chen, Qixiao Zhai

Journal Article

Fe3O4 encapsulated mesoporous silica nanospheres with tunable size and large void

Tingting LIU, Lihong LIU, Jian LIU, Shaomin LIU, Shi Zhang QIAO

Journal Article

Translocation and biotoxicity of metal (oxide) nanoparticles in the wetland-plant system

Journal Article

Gold nanoparticles/single-stranded DNA-reduced graphene oxide nanocomposites based electrochemical biosensor

Journal Article

polymeric substances from activated sludge on the aggregation kinetics of silver and silver sulfide nanoparticles

Journal Article

A magnetic adsorbent based on salicylic acid-immobilized magnetite nano-particles for pre-concentration of Cd(II) ions

Hossein Abdolmohammad-Zadeh, Arezu Salimi

Journal Article