How to modify negatively charged silver or gold nano particles into positively charged?

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How to make PVA nanoparticles?

I am trying to synthesize PVA nanoparticles for my research work

07 August 2016 4,886 0 View

How do you calculate molecular weight of E coli supernatent mediated synthesized nano particles?

I had synthesized nano particles of sliver using E coli supernatent and for some application I wanted to calculate its molecular weight.

31 December 2014 7,677 3 View

How do I perform PAGE of nano particles?

I am trying perform PAGE of bio synthesized nanoparticles in order to understand capping protein's molecular weight, but getting smear, how to tackle with this issue?

31 December 2014 7,820 2 View

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

Can i quantify a nanoparticle encapsulated in cell culture medium by hplc?

Hello, if you made a transwell assay where you incubate the cells with a nanoparticle-encapsulated drug and considering that in the oposite compartment you'll have both the free and encapsulte...

03 August 2024 2,730 1 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

How gold procurement?

Please note it

29 July 2024 4,920 3 View

Can I proceed with Response Surface Methodology (RSM) with only one factor for further optimization?

I went for Plackett Burman Design for selecting the optimization factors of growth conditions for pesticide degradation. I started with 7 parameters. But, after the experiments and analysis, only...

29 July 2024 5,015 1 View

While doing Chronoamperometry, when the light is turned off, why the current is not decreasing sharply?

Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.

29 July 2024 4,538 3 View

How gold procurement?

https://www.cleanteqwater.com/resources/case-studies/gold-mine-australia/

29 July 2024 5,161 1 View