Mesoporous halloysite nanotubes modified by CuFe2O4 spinel ferrite nanoparticles and study of its application as a novel and efficient heterogeneous catalyst in the …

A Maleki, Z Hajizadeh, P Salehi - Scientific Reports, 2019 - nature.com
In this study, mesoporous halloysite nanotubes (HNTs) were modified by CuFe2O4
nanoparticles for the first time. The morphology, porosity and chemistry of the CuFe2O4 …

Poly (ethylene imine)-modified magnetic halloysite nanotubes: A novel, efficient and recyclable catalyst for the synthesis of dihydropyrano [2, 3-c] pyrazole derivatives

Z Hajizadeh, A Maleki - Molecular Catalysis, 2018 - Elsevier
In this study, a green magnetic nanocatalyst based on natural clay was fabricated. Magnetic
nanoparticles were loaded on halloysite nanotubes (HNTs) and poly (ethylene imine)(PEI) …

Eco-friendly functionalization of magnetic halloysite nanotube with SO3H for synthesis of dihydropyrimidinones

A Maleki, Z Hajizadeh, R Firouzi-Haji - Microporous and Mesoporous …, 2018 - Elsevier
In this work, the preparation of a new magnetic nanocomposite Fe 3 O 4-halloysite-SO 3 H
with nanotube morphology decorated by the spherical nanoparticles is reported …

Magnetic Aluminosilicate Nanoclay: a Natural and Efficient Nanocatalyst for the Green Synthesis of 4H-Pyran Derivatives

A Maleki, Z Hajizadeh - Silicon, 2019 - Springer
In this study, the magnetic nanoparticles have been loaded on the halloysite nanotubes
(HNTs) as an aluminosilicate clay mineral. Fe 3 O 4/HNTs nanocomposite was fully …

Assessment of catalytic and antibacterial activity of biocompatible agar supported ZnS/CuFe2O4 magnetic nanotubes

F Hassanzadeh-Afruzi, Z Amiri-Khamakani… - Scientific Reports, 2022 - nature.com
The tubular magnetic agar supported ZnS/CuFe2O4 nanocomposite was fabricated via a
simple procedure. Next, various properties of this nanocomposite were studied by …

Fe3O4@chitosan-tannic acid bionanocomposite as a novel nanocatalyst for the synthesis of pyranopyrazoles

M Kamalzare, MR Ahghari, M Bayat, A Maleki - Scientific reports, 2021 - nature.com
Recently magnetic nanocatalyst has attracted considerable attention because of its unique
properties, including high performance, easy separation from the reaction mixture, and …

Nano silica extracted from horsetail plant as a natural silica support for the synthesis of H 3 PW 12 O 40 immobilized on aminated magnetic nanoparticles (Fe 3 O 4 …

N Hosseini Mohtasham, M Gholizadeh - Research on Chemical …, 2020 - Springer
In this work, nanomesoporous silica has been prepared from horsetail (Equisetum arvense),
which is a medicinal plant, with high surface area. This natural silica has been applied as a …

Guanidinylated SBA-15/Fe3O4 mesoporous nanocomposite as an efficient catalyst for the synthesis of pyranopyrazole derivatives

F Hassanzadeh-Afruzi, S Asgharnasl, S Mehraeen… - Scientific Reports, 2021 - nature.com
In this study, a novel mesoporous nanocomposite was fabricated in several steps. In this
regard, SBA-15 was prepared by the hydrothermal method, next it was magnetized by in-situ …

Synthesis of pyranopyrazoles using magnetic Fe3O4 nanoparticles as efficient and reusable catalyst

MAEAA Ali - Tetrahedron, 2014 - Elsevier
Magnetic Fe 3 O 4 nanoparticles as a heterogeneous catalyst, were found to be efficient for
the synthesis of a series of pyranopyrazoles by a four component reaction of a mixture of …

Synthesis and characterization of nanorod magnetic Co–Fe mixed oxides and its catalytic behavior towards one-pot synthesis of polysubstituted pyridine derivatives

B Maleki, H Natheghi, R Tayebee… - Polycyclic Aromatic …, 2018 - Taylor & Francis
The nanorod magnetic Fe 2 O 3@ Fe 3 O 4@ Co 3 O 4 composite as a novel catalyst was
synthesized and fully characterized using X-ray diffraction (XRD), energy-dispersive X-ray …