Facile synthesis of sustainable magnetic core-shell silicate nano copolymers for toxic metals extraction in fixed bed column DOI Creative Commons

Zahra A. Ismail,

Usama Akram Saed,

Liziê Daniela Tentler Prola

и другие.

Process Safety and Environmental Protection, Год журнала: 2024, Номер 203, С. 583 - 594

Опубликована: Фев. 7, 2024

Heavy metals enter our environment through diverse resources, causing harmful effects owing to their inherent toxicity and facile migration into aqueous medium, becoming an environmental challenge. Among technologies able remove these contaminants, the adsorption process emerges as a promising application for water treatment. Herein, functionalized silica magnetic nanoparticles using inorganic organic have been employed adsorbents hazards from wastewater effectively. Magnetic silicate core-shell amino-functionalized (Fe3O4@SiO2-AP) nanocomposites were synthesised acrylic acid (AA) para-aminobenzoic (PABA) dual copolymer Cd (II) removal. The characterization analysis confirmed formed crystal nanostructure copolymers chemically introduced in nanoparticle. results on achieved impressive qmax of 32.50 mg/g at pH 8, adsorbent dosage 3 g/L, concentration 100 ppm. laboratory-scale fixed-bed column showed breakthrough curves are flow rate independent, achieving metal removal 99% 405 min, influent ion ppm, 5 mL/min, 1 cm bed height. Freundlich model was most suitable fitting equilibrium data (R2adj = 0.981) indicating multi-layer phenomenon heterogeneous surface sites nanocomposites. pseudo-second-order =0.999) confirms that depends active occurs by chemical sorption mechanism. reusability adsorption-desorption experiments slightly decreased 97.5% 86.7% sixth cycle stability, demonstrating material stability.

Язык: Английский

Magnetic iron oxide-based nanozymes: from synthesis to application DOI Creative Commons
Asma Ghazzy, Hamdi Nsairat, Rana Said

и другие.

Nanoscale Advances, Год журнала: 2024, Номер 6(6), С. 1611 - 1642

Опубликована: Янв. 1, 2024

Iron oxide nanozymes (IONzymes) are a class of magnetic nanoparticles that mimic the enzymatic activity natural enzymes. These particles have received significant attention in recent years due to their unique properties, such as high stability, tunable responsiveness, and ability act biocatalysts for various chemical reactions. In this review, we aim provide an overview production methods nanozymes, including chemical, physical, biological synthesis. The structure design also discussed detail, well applications fields biomedicine environmental science. results studies latest advances field discussed. This review provides valuable insights into current state highlights potential further development application fields.

Язык: Английский

Процитировано

13

Recent advances in metal (M=Ni/Fe/Cu/Zn) oxide nanomaterials-mediated removal of dyes from wastewater DOI
Savita Soni,

Anjali Kumari,

Saurabh Sharma

и другие.

Journal of the Taiwan Institute of Chemical Engineers, Год журнала: 2024, Номер 166, С. 105565 - 105565

Опубликована: Май 25, 2024

Язык: Английский

Процитировано

13

Effect of Polymer and Cell Membrane Coatings on Theranostic Applications of Nanoparticles: A Review DOI

Bahareh Rezaei,

Asma Harun,

Xian Wu

и другие.

Advanced Healthcare Materials, Год журнала: 2024, Номер unknown

Опубликована: Июнь 10, 2024

The recent decade has witnessed a remarkable surge in the field of nanoparticles, from their synthesis, characterization, and functionalization to diverse applications. At nanoscale, these particles exhibit distinct physicochemical properties compared bulk counterparts, enabling multitude applications spanning energy, catalysis, environmental remediation, biomedicine, beyond. This review focuses on specific nanoparticle categories, including magnetic, gold, silver, quantum dots (QDs), as well hybrid variants, specifically tailored for biomedical A comprehensive comparison prevalent chemical, physical, biological synthesis methods are presented. To enhance biocompatibility colloidal stability, facilitate surface modification cargo/agent loading, surfaces coated with different synthetic polymers very recently, cell membrane coatings. utilization polymer- or membrane-coated nanoparticles opens wide variety such magnetic resonance imaging (MRI), hyperthermia, photothermia, sample enrichment, bioassays, drug delivery, etc. With this review, goal is provide toolbox insights into polymer applications, while also addressing challenges involved translating laboratory benchtops vitro vivo Furthermore, perspectives future trends developments rapidly evolving domain provided.

Язык: Английский

Процитировано

11

Magnetic Hydroxyapatite Nanoparticles in Regenerative Medicine and Nanomedicine DOI Open Access
Hina Inam, Simone Sprio, Marta Tavoni

и другие.

International Journal of Molecular Sciences, Год журнала: 2024, Номер 25(5), С. 2809 - 2809

Опубликована: Фев. 28, 2024

This review focuses on the latest advancements in magnetic hydroxyapatite (mHA) nanoparticles and their potential applications nanomedicine regenerative medicine. mHA have gained significant interest over last few years for great potential, offering advanced multi-therapeutic strategies because of biocompatibility, bioactivity, unique physicochemical features, enabling on-demand activation control. The most relevant synthetic methods to obtain apatite-based materials, either form iron-doped HA showing intrinsic properties or composite/hybrid compounds between superparamagnetic metal oxide nanoparticles, are described as highlighting structure–property correlations. Following this, this discusses application various nanomaterials bone regeneration nanomedicine. Finally, novel perspectives investigated with respect ability improve nanocarriers homogeneous structures promote multifunctional biological applications, such cell stimulation instruction, antimicrobial activity, drug release triggering.

Язык: Английский

Процитировано

10

Facile synthesis of sustainable magnetic core-shell silicate nano copolymers for toxic metals extraction in fixed bed column DOI Creative Commons

Zahra A. Ismail,

Usama Akram Saed,

Liziê Daniela Tentler Prola

и другие.

Process Safety and Environmental Protection, Год журнала: 2024, Номер 203, С. 583 - 594

Опубликована: Фев. 7, 2024

Heavy metals enter our environment through diverse resources, causing harmful effects owing to their inherent toxicity and facile migration into aqueous medium, becoming an environmental challenge. Among technologies able remove these contaminants, the adsorption process emerges as a promising application for water treatment. Herein, functionalized silica magnetic nanoparticles using inorganic organic have been employed adsorbents hazards from wastewater effectively. Magnetic silicate core-shell amino-functionalized (Fe3O4@SiO2-AP) nanocomposites were synthesised acrylic acid (AA) para-aminobenzoic (PABA) dual copolymer Cd (II) removal. The characterization analysis confirmed formed crystal nanostructure copolymers chemically introduced in nanoparticle. results on achieved impressive qmax of 32.50 mg/g at pH 8, adsorbent dosage 3 g/L, concentration 100 ppm. laboratory-scale fixed-bed column showed breakthrough curves are flow rate independent, achieving metal removal 99% 405 min, influent ion ppm, 5 mL/min, 1 cm bed height. Freundlich model was most suitable fitting equilibrium data (R2adj = 0.981) indicating multi-layer phenomenon heterogeneous surface sites nanocomposites. pseudo-second-order =0.999) confirms that depends active occurs by chemical sorption mechanism. reusability adsorption-desorption experiments slightly decreased 97.5% 86.7% sixth cycle stability, demonstrating material stability.

Язык: Английский

Процитировано

9