How could one estimate the Judd-Ofelt parameter using the least square fitting method?

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How can we understand the effect of semiconductor nature on ferroelectric material?

What could be the effect of semiconductor nature on ferroelectric material in the measurements like Dielectric and P-E loop. Because I have a ferroelectric material with dielectric constant and...

04 April 2024 9,918 0 View

Where Can I find SHG measurement in India?

01 April 2024 4,402 0 View

Why catalytic pyrolysis has lower surface area, pore size and pore volume than non-catalytic pyrolysis?

I prepared carbon materials from biomass waste. I studied preparation of carbon materials from biomass using a catalyst and without a catalyst in pyrolysis process. Catalytic pyrolysis leads to...

24 September 2023 6,878 3 View

Plastic Vials deformation during autoclaving ?

Dear Experts, Would like to have clarify about the curious topic. While doing autoclave of plastic vials (plastic containers) the vials undergone deformation and the shape of container is...

03 July 2023 1,650 0 View

How to interpret the EDAX reported elements by % weight and Atomic % ?

Dear Experts, I would like to understand the analytical value interpretation of my sample which is subjected for elemental characterization study by EDAX SEM analysis. The reported results...

02 June 2023 9,129 2 View

What factor may cause more water content uniformity issues across the shelves?

Dear Folks/Experts, I would like to know what are the factors may cause uneven or more water contents in lyophilized vials (most of the vials meeting acceptance limit few vials shown too higher...

19 January 2023 4,526 1 View

Pressure rise test during lyophilization?

Dear Folks, As you aware, to determine the end point of freeze drying a method is generally following is Pressure Rise Test (PRT) or Pressure Rise Analysis PRA as comparitive method of pressure in...

16 December 2022 8,945 1 View

How do you understand and describe Enterprise Project Management?

This question is posted to find the factors that act as a barrier to the implementation of Enterprise Project Management and to understand how to improve the efficiency of Enterprise Project...

15 November 2022 2,274 3 View

Can anyone give the scaleup calculation parameters from 40L to 500L in bioreactors?

Currently i am working on scaleup of 40L to 500L. Few of parameters like vessel similarity and reynolds number calculation done. Still i want to dive indepth of concept. Anyone can helpout.Thanks...

26 March 2022 6,503 8 View

Can anybody give the parameters to be checked for lyophilization cycle with 50L and 140L batch size in 150Kg lyophilizer capacity?

Looking for a comparison for both batch sizes. Is same cycle can be recommended? How the performance of lyophilizer vary? Any impact can happen during cycle? Looking for scientific...

10 March 2022 4,760 1 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 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 to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 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

What is single absorption ESR spectroscopy ?

In the context of Electron Spin Resonance (ESR) spectroscopy, under what conditions is an absorption spectrum considered to be a single absorption spectrum?

25 July 2024 2,325 1 View

Can we fit a gaussian Fit on a LIBS Peak ?

Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...

23 July 2024 6,127 1 View

What binder would be the best choice to modify glassy carbon electrode with a 2D Material like Graphene or MXene?

I am trying to drop cast 2D Materials on Glassy Carbon Electrode for Cyclic voltametry and EIS purpose. What would be best binders to use?

23 July 2024 5,776 2 View

What does negative readings in spectrophotometer denote. Was testing TSS content of bacterial cultures?

I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...

22 July 2024 9,576 4 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View

Why is EIS important even if the cell is only run under DC conditions?

If impedance is an AC phenomenon, or if AC causes certain cell phenomena to become prominent at certain frequencies, why do we care about them? Under working conditions the cell will be...

14 July 2024 6,321 1 View