Will there be any charge on the surface of silver nanoparticles prepared by sodium citrate reduction of silver nitrate? If so how i will measure it?

More r.k. London's questions See All

If Banks do not provide credit facility, what are the options available for FPOs and impact on producer’s income?

10 August 2024 8,198 5 View

What are a “Farmers Producer Organization” (FPO) and its essential features?

10 August 2024 477 5 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

How is energy cycled through the Earth's climate system and how do matter cycle and energy flow through the rock cycle?

08 August 2024 8,162 0 View

How movement of energy in an ecosystem different from chemical cycling & movement of matter through an ecosystem differ from movement of energy?

How are the movement of energy in an ecosystem different from chemical cycling and movement of matter through an ecosystem differ from the movement of energy?

03 August 2024 6,134 0 View

Does matter flow through ecosystems and energy is recycled and how does the flow of matter and energy compare in the living world?

03 August 2024 607 2 View

Why cycling of matter important to life on Earth & movement of matter through an ecosystem different than movement of energy through an ecosystem?

Why is the cycling of matter important to life on Earth and movement of matter through an ecosystem different than the movement of energy through an ecosystem?

03 August 2024 5,061 3 View

How is matter moved through an ecosystem and movement of energy different from the movement of nutrients through ecosystems?

03 August 2024 4,859 0 View

How the movement of matter is different from the flow of energy and what best describes how matter moves through an ecosystem?

03 August 2024 3,664 2 View

How is energy used differently in chemical and physical changes and difference between the movement of energy and chemicals in ecosystems?

03 August 2024 8,856 3 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

What is the best practice for resuspending cell pellets during competent cell preparation (both electro and comp)?

I'm fairly new to making homemade comp cells and have done so with some mild success. What is generally an acceptable way of resuspending comp cells during wash steps? I've been told to swirl the...

31 July 2024 8,309 0 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

Do some Staphylococcus aureus strains have in vitro antimycobacterial activity ?

Some Staphylococcus aureus strains Inhibit the growth of Mycobacteria in Mueller Hinton Agar medium containing 10% OADC. Do some Staphylococcus aureus strains have in vitro antimycobacterial activity?

29 July 2024 10,023 2 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

Addition of EDTA during the synthesis of copper nanoparticles to prevent it from being oxidized?

I've attempted to use this method to synthesize copper nanoparticles. Copper nanoparticles can be synthesised using a variety of precursor materials. CuSO4, distilled water, NaOH, and EDTA are...

28 July 2024 8,027 3 View