How to calculate the concentration of carbon quantum dots ?

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What happens when silver nanoparticles (Aggregate of Ag0) are released into the environment? Can it be change into the Ag3+ or remain as same (Ag0)?

I have synthesized silver nanoparticles form green route. While washing the glassware, the nanoparticle are released which must be entering into the environment. I want to know that is there any...

31 December 2018 2,045 14 View

What are the components of a sensor? How it works?

Hello, This is Dr. Vijay, I am want to design a sensor for different heavy metal ions. I want to know the basic idea behind it. Thank you.

11 December 2018 5,076 0 View

Why the gold nanoparticles synthesized from leaf extract get negatively charged?

I have synthesized gold nanoparticles from aqueous leaf extract of Croton bonplandianum. The zeta potential result showed it is negatively charged. Please explain the exact reason of this...

05 June 2018 4,331 9 View

How can I calculate the concentration of gold nanoparticles in suspension ?

Hello all,I have synthesized the AuNPs using 1.2 mM auric chloride salt. How can I know its concentration in suspension form?

06 July 2017 3,982 5 View

Why the size and anisotropic nature of the green synthesized AuNPs increased with the increase in metal ion concentration?

The green synthesis of gold nanoparticles was investigated using different metal ion concentration at a fixed inoculum dose and reaction incubation time. It was observed that the size of the...

11 December 2016 927 8 View

What should I write in discussion about the 2D, 3D and average roughness profile of nanoparticles?

I have synthesized AgNPs with average size 14 nm and characterized it through AFM analysis. I have got the 2D, 3D images and roughness profile. The average roughness of the sample was found to be...

09 October 2016 8,302 2 View

Which standard additional technique should be applied for the determination of Iron (III) in terms of validation?

The colorimetric detection of Iron (III) was carried out using AgNPs synthesized by plant extract. Different concentrations of Iron (III) were added into 1 mL solution of AgNPs and the change in...

08 September 2016 6,731 5 View

Why the peak of rGO did not appear in the XRD spectra of Ag-rGO-PANI?

The composite of Ag-rGO-PANI was prepared and characterized through XRD technique. When the XRD spectra of rGO and PANI were taken separately, a characteristic band appeared but these did not...

08 September 2016 7,379 7 View

What differences could be seen in pre and post annealed nanoparticles when characterized through XRD ?

I have synthesized the AgNPs using plant extract and annealed it at 300 degree Celsius. The pre annealed sample was also characterized by XRDNow what differences could be seen?

05 June 2016 3,539 16 View

Why hydrogen peroxide get decomposed into H2O and O2 at higher pH rather OH radical? and why it decomposed into two OH radical at lower pH?

I am investigating the peroxidase like activity of green synthesized gold nanoparticles. While optimizing the pH it was observed that the peroxidase like activity of the gold nanoparticles was...

01 January 1970 9,658 0 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 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

Who of all of you will help TPEOM to re-originate the Earths atmosphere to it original 5 atmospheric elements/gases?

Global ‘Weather’ has stopped, as ‘aqua thermionic instituted by the ‘Global thermo atmospherics has instituted global thermodynamics of 120º C + and thus all waters are, or have boiled into a...

06 August 2024 8,716 0 View

PBMC infection with virus?

In my study, I intend to infect PBMCs with SARS-CoV-2. After that, I will analyze NK cells by flow cytometry to see if their phenotype changes or if they show degranulation. After the infection, I...

01 August 2024 4,403 4 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

Question about combustion Kinetics ?

I am currently working on modeling FCC catalyst regeneration and have come across a point of uncertainty that I hope you can assist me with. In my previous models, I have utilized lumped kinetics...

30 July 2024 6,137 0 View

How to prevent hemolysis after performing cardiac puncture to draw blood from mice in serum?

We have encountered an issue with the serum of mice being hemolyzed after the process of centrifugation. Could you please provide guidance to prevent hemolysis ?

29 July 2024 8,402 4 View

What are the perfect mathematical model for a solar-powered ship implementation?

A computational study of heat flux on cylindrical surfaces using CNT hybrid nanofluids

28 July 2024 4,985 1 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

Wajid Nasim Jatoi

Dear Kumar,

You can get the detail from following links

Article Determining the Concentration of CuInS2 Quantum Dots from th...

http://www.rsc.org/suppdata/nr/c3/c3nr06590a/c3nr06590a1.pdf

Thanks!

Surender Singh

Kindly visit the link given below...

http://www.rsc.org/suppdata/ra/c2/c2ra23085b/c2ra23085b.pdf

Vijay Kumar

Dear Wajid Nasim Jatoi

Thanks for this valuable suggestion

Respected Surender Singh sir

Thank you so much for the providing important information