نتایج جستجو برای: palladium nanoparticles loaded activated carbon

تعداد نتایج: 634474  

Journal: :Molecular Catalysis 2022

Applying biomass-waste as catalysts and catalytic supports is gaining a tremendous interest owing to its expected outcomes in terms of cost effectiveness sustainability. In this context, we herein disclose straightforward encapsulation nanosized copper on hierarchically porous, biomass-derived nitrogen-containing carbon framework. Our approach uses chitosan - derived from the marine shell-fish ...

Background and Aim: Copper ions, due to forming complexes with organic and mineral compounds, can have worrying effects on health and environment. In the present study, the effect of powdered magnetic carbon activated by iron-oxide nanoparticles in removing of CU (V; II) from aqueous solutions was assessed. Materials and Methods: This experimental study aimed at determining the effect of pow...

2015

We report the environmental benign route in the synthesis of palladium nanoparticles using the aqueous leaf broth of Acalypha indica L. In this protocol, the biomolecules present in the leaf broth, reduced palladium ions into palladium nanoparticles and these biomolecules also acted as capping and stabilizing agents. The colour change in the reaction medium from pale yellow to dark brown during...

Background and Objective: Currently, photocatalysts have become a major focus of research in physics, chemistry, and surface engineering. It is hoped that this science help to solve various environmental problems.  This study investigated the effect of ultraviolet lamp type on the removal efficiency of xylene utilizing the fixation of TiO2 nanoparticles on the activated carbon absorber and pass...

Journal: :Dalton transactions 2013
Deepa Dey Tamalika Bhattacharya Biju Majumdar Sonam Mandani Bhagwati Sharma Tridib K Sarma

Carbon dots were used as a reducing agent for the synthesis of Pd nanoparticles coated with ultrathin carbon dot shells of ca. 4 nm. The resulting composite nanoparticles showed high catalytic activity for the Heck and Suzuki coupling reactions.

Journal: :Journal of nanoscience and nanotechnology 2014
Qu Sheng Huimin Wu David Wexler Huakun Liu

The effects of different temperatures on the hydrogen sorption characteristics of double-walled carbon nanotubes (DWCNTs) with palladium loading have been investigated. When we use different temperatures, the particle sizes and specific surface areas of the samples are different, which affects the hydrogen storage capacity of the DWCNTs. In this work, the amount of hydrogen storage capacity was...

2017
Miles A Miller Bjorn Askevold Hannes Mikula Rainer H Kohler David Pirovich Ralph Weissleder

Palladium catalysts have been widely adopted for organic synthesis and diverse industrial applications given their efficacy and safety, yet their biological in vivo use has been limited to date. Here we show that nanoencapsulated palladium is an effective means to target and treat disease through in vivo catalysis. Palladium nanoparticles (Pd-NPs) were created by screening different Pd compound...

Azam, Kamal , Ghahri, Asghar , Golbabaei, Farideh , Najarian, Faranak ,

Introduction: Occupational exposure to sevoflurane as an anesthetic gases in hospitals, dental clinics and veterinary clinics has been reported in various studies. Considering the harmful effects of sevoflurane anesthetic gas on the health of exposed personnel such as reproductive, preterm delivery and fetal abnormalities and increased spontaneous abortion, it is necessary to remove them from t...

2008
S Navaladian B Viswanathan TK Varadarajan RP Viswanath

Palladium nanoparticles of average size around 8 nm have been synthesized rapidly by UV irradiation of mixture of palladium chloride and potassium oxalate solutions. A rod-shaped palladium oxalate complex has been observed as an intermediate. In the absence of potassium oxalate, no Pd nanoparticles have been observed. The synthesized Pd nanoparticles have been characterized by powder X-ray diff...

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