scholarly journals Low-cost and simple FDM-based 3D-printed microfluidic device for the synthesis of metallic core–shell nanoparticles

2020 ◽  
Vol 2 (5) ◽  
Author(s):  
Lucas P. Bressan ◽  
Taíssa M. Lima ◽  
Géssica D. da Silveira ◽  
José A. F. da Silva
Keyword(s):  
Microfluidic Device ◽  
Low Cost ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Metallic Core ◽  
3D Printed ◽  
Core Shell Nanoparticles

scholarly journals Bimetallic Core–Shell Nanoparticles of Gold and Silver via Bioinspired Polydopamine Layer as Surface-Enhanced Raman Spectroscopy (SERS) Platform

Nanomaterials ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 688 ◽  
Author(s):  
Asli Yilmaz ◽  
Mehmet Yilmaz
Keyword(s):  
Raman Spectroscopy ◽  
Low Cost ◽  
Silver Ions ◽  
Surface Enhanced Raman Spectroscopy ◽  
Core Shell ◽  
Silver Deposition ◽  
Shell Nanoparticles ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Core Shell Nanoparticles

Despite numerous attempts to fabricate the core–shell nanoparticles, novel, simple, and low-cost approaches are still required to produce these efficient nanosystems. In this study, we propose the synthesis of bimetallic core–shell nanoparticles of gold (AuNP) and silver (AgNP) nanostructures via a bioinspired polydopamine (PDOP) layer and their employment as a surface-enhanced Raman spectroscopy (SERS) platform. Herein, the PDOP layer was used as an interface between nanostructures as well as stabilizing and reducing agents for the deposition of silver ions onto the AuNPs. UV-vis absorption spectra and electron microscope images confirmed the deposition of the silver ions and the formation of core–shell nanoparticles. SERS activity tests indicated that both the PDOP thickness and silver deposition time are the dominant parameters that determine the SERS performances of the proposed core–shell system. In comparison to bare AuNPs, more than three times higher SERS signal intensity was obtained with an enhancement factor of 3.5 × 105.

scholarly journals Metallic core-shell nanoparticles for conductive coatings and printing

2021 ◽  
pp. 102578
Author(s):  
Anna Pajor-Świerzy ◽  
Krzysztof Szczepanowicz ◽  
Alexander Kamyshny ◽  
Shlomo Magdassi
Keyword(s):  
Core Shell ◽  
Shell Nanoparticles ◽  
Conductive Coatings ◽  
Metallic Core ◽  
Core Shell Nanoparticles

Co-delivery of curcumin and resveratrol through electrosprayed core-shell nanoparticles in 3D printed constructs

2021 ◽  
pp. 107200
Author(s):  
M. Maria Leena ◽  
T. Anukiruthika ◽  
J.A. Moses ◽  
C. Anandharamakrishnan
Keyword(s):  
Core Shell ◽  
Shell Nanoparticles ◽  
3D Printed ◽  
Core Shell Nanoparticles

Tumbling Mill Process as a Tool to Develop Core–Shell Nanoparticles for Biomedical Applications. Preliminary Analysis and Testing

2021 ◽  
Vol 21 (5) ◽  
pp. 2864-2871
Author(s):  
Mariangela Bellusci ◽  
Alberto Boschetto ◽  
Luana Bottini ◽  
Aurelio La Barbera ◽  
Andrea Masi ◽  
...  
Keyword(s):  
Biomedical Applications ◽  
Low Cost ◽  
Core Shell ◽  
Multifunctional Composites ◽  
Shell Nanoparticles ◽  
Dry Process ◽  
Catch Up ◽  
Core Shell Nanoparticles ◽  
Tumbling Mill ◽  
Proper Analysis

A new mechanical dry process able to develop nanoparticles coated with polymeric material is proposed. An opportunely developed pilot ball milling apparatus permitted to catch-up significant process parameters that are here reported. A proper analysis of the obtained parameters permitted to individuate optimized milling conditions and to prepare a magnetite/albumin core/shell nanocomposite, material with a potential wide spread of applications in biomedical fields. The obtained powder consists in particles having a diameter of about 45 nm and exhibits a high morphological homogeneity. The proposed method is facile, low cost, solvent free and is applicable to the development of a broad range of multifunctional composites for biomedical applications.

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