Results 31 to 40 of about 484,835 (289)

Comparison of Preparation Methods of Copper Based PGMFree Diesel-Soot Oxidation Catalysts [PDF]

, 2011
CuO-CeO2 systems have been proposed as a promising catalyst for low temperature diesel-soot oxidation. CuO-CeO2 catalysts prepared by various methods were examined for air oxidation of the soot in a semi batch tubular flow reactor. The air oxidation of
V.R. , Bella, R. , Prasad
core   +1 more source

Design, synthesis, and characterization of novel eco-friendly chitosan-AgIO3 bionanocomposite and study its antibacterial activity

Scientific Reports, 2022
This work reports a facile and green approach to preparing AgIO3 nanoparticles decorated with chitosan (chitosan-AgIO3). The bionanocomposite was fully characterized by Fourier transform infrared (FTIR), scanning electron microscopy (SEM) images, energy ...
Mohammad Ali Ahghari, Mohammad Reza Ahghari, Maryam Kamalzare, Ali Maleki   +3 more
doaj   +1 more source

The study of heterogeneous catalysts for biodiesel synthesis [PDF]

A study in search of new heterogeneous catalysts that can be used in place of homogeneous catalysts for biodiesel synthesis has been carried out.
Andrijanto, Eko
core   +3 more sources

Copper(II)-β-cyclodextrin immobilized on graphitic carbon nitride nanosheets as a highly effective catalyst for tandem oxidative amidation of benzylic alcohols

Scientific Reports, 2022
In this study, an efficient catalyst based on graphitic carbon nitride nanosheets (CN) and copper(II) supported β-cyclodextrin (β-CD/Cu(II)) was synthesized and used for tandem oxidative amidation of benzylic alcohols.
Hossein Ghafuri, Afsaneh Rashidizadeh, Mostafa Ghafori Gorab, Ghazaleh Jafari   +3 more
doaj   +1 more source

Preprocessing and Leaching Methods for Extraction of REE from Permanent Magnets: A Scoping Review

AppliedChem, 2022
The demand for REEs is continuously increasing in the European Union due to the rapid development of high-tech applications that contain REEs, mainly those based on electrification.
Sotiria Papagianni, Anastasia Maria Moschovi, Konstantinos Miltiadis Sakkas, Michail Chalaris, Iakovos Yakoumis   +4 more
doaj   +1 more source

Performance of Stainless-Steel Bipolar Plates (SS-BPPs) in Polymer Electrolyte Membrane Water Electrolyser (PEMWE): A Comprehensive Review

Compounds
Bipolar Plates (BPPs) play a critical role in Polymer Electrolyte Membrane Water Electrolysers (PEMWEs) for effective hydrogen generation. The performance and longevity of the system can be considerably impacted by choosing the suitable material for ...
Eirini Zagoraiou, Soorya Krishan, Amal Siriwardana, Anastasia Maria Moschovi, Iakovos Yakoumis   +4 more
doaj   +1 more source

Enhancement of adsorption efficiency of crystal violet and chlorpyrifos onto pectin hydrogel@Fe3O4-bentonite as a versatile nanoadsorbent

Scientific Reports, 2023
The magnetic mesoporous hydrogel-based nanoadsornet was prepared by adding the ex situ prepared Fe3O4 magnetic nanoparticles (MNPs) and bentonite clay into the three-dimentional (3D) cross-linked pectin hydrogel substrate for the adsorption of ...
Paria Beigi, Fatemeh Ganjali, Fereshte Hassanzadeh-Afruzi, Mohammad Mehdi Salehi, Ali Maleki   +4 more
doaj   +1 more source

Tandem oxidative amidation of benzylic alcohols by copper(II) supported on metformin-graphitic carbon nitride nanosheets as an efficient catalyst

Scientific Reports, 2022
In this research, an efficient heterogeneous catalyst based on graphitic carbon nitride nanosheets (CN) has been reported. The CN was functionalized by 1,3-dibromopropane as a linker (CN–Pr–Br) and subsequently modified with metformin (CN–Pr–Met ...
Hossein Ghafuri, Mostafa Ghafori Gorab, Haniyeh Dogari   +2 more
doaj   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

FEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa, Konstantinos Makryniotis, Theofani‐Iosifina Sousani, Evangelos Topakas, Vangelis Daskalakis, Maria Dimarogona   +5 more
wiley   +1 more source

Synthesis and characterization of Se doped Fe3O4 nanoparticles for catalytic and biological properties

Scientific Reports, 2023
In this study, Se-doped Fe3O4 with antibacterial properties was synthesized using by a coprecipitation method. The chemistry and morphology of the Se doped Fe3O4 nanocomposite were characterized by energy-dispersive X-ray spectroscopy, field-emission ...
Mohammad Reza Ahghari, Zeinab Amiri-khamakani, Ali Maleki   +2 more
doaj   +1 more source