All Blog Posts Tagged 'gold' (9)

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Survey on photoluminescent Gold Quantum Clusters - for scientists working with fluorescence-based techniques

Dear fellow scientists!

I am a hungarian PhD student working in the field of nanochemistry. I develop photoluminescent gold quantum clusters (GQCs) for biological application. GQCs are novel material systems with visible emission. They can substitute organic fluorophores and semiconductor quantum dots in imaging techniques.…


Added by Balázs Söptei on March 20, 2014 at 9:30am — No Comments

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My article on the protein-based synthesis of luminescent gold clusters can be found here.

My article on the protein-based synthesis of luminescent gold clusters can be found…


Added by Balázs Söptei on December 17, 2013 at 9:30am — No Comments

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The remarkable effect of gold!

Enhancing surface reactivity with a noble metal


Added by Philip R. Davies on August 13, 2013 at 2:32pm — No Comments

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A facile route to core shell model catalysts

A facile route to model catalysts: the synthesis of Au@Pd core–shell nanoparticles on γ-Fe2O3 (0001)


Added by Philip R. Davies on August 13, 2013 at 2:30pm — No Comments

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Electronic properties probed by scanning tunneling spectroscopy: From isolated gold nanocrystal to well-defined supracrystals

Scanning tunneling microscopy and spectroscopy at 5 K have been used to determine the electronic properties of 7-nm dodecanethiol-passivated Au nanocrystals in three different configurations: isolated nanocrystal, self-organized thin films (few nanocrystal layers), and large three-dimensional well-defined thick films (over 30 nanocrystal layers) called supracrystals. The electronic properties of both thin and thick well-ordered supracrystals are analyzed in scanning tunneling spectroscopy…


Added by pengyang on February 7, 2013 at 10:45am — No Comments

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Selective etching of core-shell nanorods adds to our range of tools to custom design nanoparticles.

Yang et al.'s recent paper gives us a new way method of custom design of nanoparticles. See my page for details

Added by Philip R. Davies on March 2, 2012 at 5:57pm — No Comments

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Gold nanopowder/Silver nanoparticles colloidal suspension

Gold Nanoparticles

Colloidal solution in water, 0.05 mg/mL

Average particle size: 20±3 nm pH ca. 8,0

Available in : 10ml , 100ml Pack Sizes

Au - dry nanopowder, hydrophobic

Forms colloidal solutions in non-polar solvents. Monodisperse nanoparticles, can be used for 2-D and 3-D structures build-up.

Average particle size: ca. 2 nm.

Available in : 10mg , 50mg Pack… Continue

Added by Eishita Koley on September 16, 2011 at 11:53am — No Comments

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Russian scientists to test gold for toxicity

Gold nanoparticles have been increasingly used in medicine lately to diagnose and treat diseases. However, researchers keep arguing their possible toxicity and ability to cause mutations. Experts at Razumovsky Saratov State Medical University; and the Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of…


Added by Natalia on August 8, 2011 at 3:35pm — No Comments

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Russian scientists to cover viruses in gold

Recently, word has been appearing in scientific literature suggesting that collaurin can activate the immune system response to foreign antigens. Researchers at the Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, and the State Scientific Institution of Saratov Research Veterinary Station of Russian Agriculture Academy; have proved that gold nanoparticles increase…


Added by Natalia on May 30, 2011 at 6:31am — 6 Comments

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Welcome - about us

Welcome! Nanopaprika was cooked up by Hungarian chemistry PhD student in 2007. The main idea was to create something more personal than the other nano networks already on the Internet. Community is open to everyone from post-doctorial researchers and professors to students everywhere.

There is only one important assumption: you have to be interested in nano!

Nanopaprika is always looking for new partners, if you have any idea, contact me at

Dr. András Paszternák, founder of Nanopaprika

Publications by A. Paszternák:

Smartphone-Based Extension of the Curcumin/Cellophane pH Sensing Method

Pd/Ni Synergestic Activity for Hydrogen Oxidation Reaction in Alkaline Conditions

The potential use of cellophane test strips for the quick determination of food colours

pH and CO2 Sensing by Curcumin-Coloured Cellophane Test Strip

Polymeric Honeycombs Decorated by Nickel Nanoparticles

Directed Deposition of Nickel Nanoparticles Using Self-Assembled Organic Template,

Organometallic deposition of ultrasmooth nanoscale Ni film,

Zigzag-shaped nickel nanowires via organometallic template-free route

Surface analytical characterization of passive iron surface modified by alkyl-phosphonic acid layers

Atomic Force Microscopy Studies of Alkyl-Phosphonate SAMs on Mica

Amorphous iron formation due to low energy heavy ion implantation in evaporated 57Fe thin films

Surface modification of passive iron by alkylphosphonic acid layers

Formation and structure of alkylphosphonic acid layers on passive iron

Structure of the nonionic surfactant triethoxy monooctylether C8E3 adsorbed at the free water surface, as seen from surface tension measurements and Monte Carlo simulations

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