International Journal of Nanoparticle Research


Synthesis, Characterization and Catalytic Activity of Melamine-Based Dendrimer Encapsulated Pd/Cu Bimetallic Nanoparticles

Research Article of International Journal of Nanoparticle Research Synthesis, Characterization and Catalytic Activity of Melamine-Based Dendrimer Encapsulated Pd/Cu Bimetallic Nanoparticles Md. Sayedul Islam* and Md. Wahab Khan Department of Chemistry, Faculty of Engineering, Bangladesh University of Engineering and Technology (BUET), Dhaka-1000, Bangladesh A melamine-based dendrimer was used to prepare a new class of heterogeneous Pd/Cu bimetallic nanoparticles (NPs). The physicochemical characteristics of Pd/Cu bimetallic NPS were studied with the aid of SEM, EDX, XRD, TG& DSC techniques. Leafs shape surface morphology and the presence of required palladium and copper ion were observed from SEM and EDX analysis respectively while TG& DSC showed good thermal stability, as well as  XRD, revealed nano-shape FCC structure. The recycling ability of the catalyst was examined for five successive runs without any noteworthy loss of activity. The synthesized Pd/Cu bimetallic NPS exhibited high catalytic activity in the synthesis of ynone in which synthetic route was phosphine ligand-free. Keywords:Melamine, Dendrimer, Bimetallic Nanoparticles, Ynone ...

Synthesis of Diazine-Based Dendrimer Supported Pd/Co Bimetallic Nanoparticles and Catalytic Activity for Sonogashira Coupling Reactions

Research Article of International Journal of Nanoparticle Research Synthesis of Diazine-Based Dendrimer Supported Pd/Co Bimetallic Nanoparticles and Catalytic Activity for Sonogashira Coupling Reactions Md. Sayedul Islam* and Md. Wahab Khan Department of Chemistry, Faculty of Engineering, Bangladesh University of Engineering and Technology (BUET), Dhaka-1000, Bangladesh A moisture-stable diazine-based dendrimer assisted heterogeneous bimetallic Pd/Co nanoparticles (NPs)  was synthesized which showed a simple, profitable and environmentally sustainable operation for the Sonogashira reactions under copper and solvent-free conditions with regained easily and recycled four times without substantial activity loss. Furthermore, the dendrimer was analyzed by IR, 1H NMR, 13C NMR, and elemental analysis whereas the Pd/Co bimetallic NPs was characterized by EDX, TGA & DSC, and XRD techniques. Keywords: Bimetallic nanoparticles (NPs), Diazines; Dendrimer and Sonogashira reaction ...

MHD Mixed Convection Flow of Casson Nanofluid past a Stretching Sheet in the Presence of Viscous Dissipation, Chemical Reaction and Heat Source/Sink

Research Article of International Journal of Nanoparticle Research MHD Mixed Convection Flow of Casson Nanofluid past a Stretching Sheet in the Presence of Viscous Dissipation, Chemical Reaction and Heat Source/Sink K.Govardhan1, G.Narender2* and G.Sreedhar Sarma3 1 Department of Engineering Mathematics, GITAM University, Village Rudraram, Medak Dist.,Hyderabad-502329, Telangana State. INDIA. 2, 3 Department of Humanities and Science, CVR College of Engineering, Mangalpalli, Ibrahimpatnam, R.R.Dist.,Hyderabad-501510, Telangana State, INDIA. This paper focuses on the effect of MHD mixed convection flow of casson nanofluid past a stretching sheet in the presence of viscous dissipation, first order chemical reaction and heat source/sink. The profiles for the velocity, temperature and nanoparticle concentration depends on the parameters Casson fluid parameter β, concentration buoyancy parameter N, Hartman number M, radiation parameter R, Prandtl number Pr, the Schmidt number Sc, Brownian motion Nb, thermophoresis parameter Nt, Eckert number Ec, chemical reaction parameter γ the heat transfer Biot number γ1 and the mass transfer Biot number γ2. The constitute governing partial differential equation of flow, heat and mass transfer on considered flow are converted into nonlinear ordinary differential equations by employing suitable transformations and these transformed equations were solved by the Adam’s Moultan fourth order method with shooting technique. The various numerical tables are calculated and tabulated. Our results have been compared with the results of a previous study and found to be in an excellent agreement. Keywords: Nano Fluid, viscous dissipation, Brownian motion, Thermophoresis, Stretching Sheet, chemical reaction ...

Synthesis of Punica Granatum Fruit Peel Extract Based Silver Nanoparticles and Evaluation of it’s Antimicrobial Activity

Research Article of International Journal of Nanoparticle Research Synthesis of Punica Granatum Fruit Peel Extract Based Silver Nanoparticles and Evaluation of it’s Antimicrobial Activity Vinay C H*, Prakash Goudanavar and Ankit Acharya Department of Pharmaceutics, Sri Adichunchanagiri College of Pharmacy, B.G. Nagara, Karnataka -571 448. The main objective of the present work was to prepare pomegranate peel extract based nano particles by chemical complexation method. Ethanolic extracts of pomegranate peel were prepared by using Soxhlet apparatus and evaluated for phyto-chemical constituents. Qualitative analysis showed that pomegranate peel extract showed positive results for alkaloids, anthraquinones, saponins and terpenoids. The percentage moisture content and pH of the extract was found to be 72% and 3.6 respectively. A zeta potential and particle size of prepared nanoparticles was found in the range of -24.6 to– 34.5 mV and 118.6 nm to 231.7 nm, respectively. These range confirms that obtained particles were in nano range, i.e. <500 nm size. SEM results indicated the formation of nanoparticles and were relatively spherical in shape. Energy dispersive spectrometry (EDS) analysis confirms the presence of AgNPs. Prepared peel extracts based nanoparticle showed promising antimicrobial and antifungal properties. Keywords:Pomegranate peel extract, Qualitative analysis, Nano particles ...

Prof. Dr. Alireza Heidari
Full Professor and Academic Tenure of Chemistry & Director of the BioSpectroscopy Core Research Laboratory at Faculty of Chemistry, California South University, USA & President of American International Standards Institute, USA

Dr. Suban K Sahoo
Assistant Professor, Department of Applied Chemistry, S.V. National Institute of Technology (SVNIT) Ichchanath

Dr. Prakash Prajapat
Assistant Professor, Department of Chemistry, Mehsana Urban Institute of Sciences, Ganpat University

Dr Soumya Mukherjee
Assistant Professor, Amity School of Engineering and Technology, Amity University

Dr. Pragati Kumar
Assistant Professor, Department of Nano Sciences & Materials, Central University of Jammu

Dr. Ha, Chang-Sik
Distinguished Professor, Dept. of Polymer Science and Engineering, Pusan National University, Busan 46241, Korea

Dr Nasrallah M. Deraz
Professor, Advanced Nanomaterials Chemistry and Catalysis, National Research Centre, Dokki, Cairo, Egypt.

Dr. Boumediene Haddad
Associate professor (lecturer and Scientific Researcher), Department of Chemistry, Dr. Moulay Taher University

Dr. Azeez Abdullah Barzinjy
PhD (Materials Science), Department of Physics, College of Education, Salahaddin University –Erbil

Dr. Dibya Prakash Rai
Assistant Professor, Department of Physics, Pachhunga University College, Aizawl, Mizoram, India-796001


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1.K. Vijaya Kumar,R.Sridhar, D.Ravinder. Dielectric properties of Chromium substituted Nickel nano ferrites. International Journal of Nanoparticle Research, 2018; 2:6. DOI:10.28933/ijnr-2018-01-0302 
2.Muhammad Arshad Chaudhry, Liaqat Ali, Khalid Mahmood Ghauri, Javed Iqbal .Development and Characterization of Nanoparticle Metal Matrix Composites: (Al 2024-SiC NP). International Journal of Nanoparticle Research, 2018; 2:7. DOI:10.28933/ijnr-2018-04-1901

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International Journal of nanoparticle research

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