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Questions related to Scanning Electron Microscopy
My liposome is a non-phospholipid liposome (sterosome) composed of palmitic acid and cholesterol, 20mg of palmitic acid and 70mg of cholesterol. After several months of storage in a refrigerator...
19 June 2024 7,488 5 View
I'm using TOPAS for quantitative analysis by Rietveld refinement. In many cases, amorphous is present in my samples. What will be the consequences if the density of the amorphous phase differs...
18 June 2024 2,023 4 View
Whenever I mill silica gel with other materials in stainless steel milling jar, the color of the powder goes from white (initial) to dark and darker color like yellow, dark yellow, brown, dark...
17 June 2024 4,015 3 View
Hi, I am doing analysis of Transystem inc. Downconverter model AiDC+1746D with RF=2216-2300MHz to IF=470-554MHz. The issue that I am unable to find frequency synthesizer and mixer, only 6.8MHz...
10 June 2024 8,403 7 View
Hi everyone, I really don't know how to fix the issue that I am facing. For background, I am working on the purification of inclusion bodies protein, which require the use of 8 M urea in the...
10 June 2024 9,556 0 View
I prepared a maghemite sample. It is perfectly reacted to a magnet. However, when I tried to analyze with XRD, I did not get any meaningful peak. What is the reason for that?
10 June 2024 3,287 3 View
I am facing difficulty on removing text like XYZ.PRF:, when we run fullprof in External applications in winplotr. Is there some way to remove it?
06 December 2023 6,629 6 View
I was thinking about Teensy 3.5, because it has DAC, but it is discontinued, unfortunately. Raspberry Pi Pico seems interesting, but it has PWMs only, which can be converted to DC voltage signal...
03 November 2023 2,216 4 View
We are trying to measure degree of conversion of resin composite under ceramic restoration using FTIR. The specimens are flat and are cured next to a cellophane strip, so they are smooth and...
01 November 2023 3,980 4 View
the equations are from "Nanosecond mid-infrared pulse generation via modulated thermal emissivity" but I cannot use mathmatica to solve it .
22 October 2023 3,113 0 View
using the telegraph's equation
18 October 2023 7,102 0 View
I want to analyse my samples in Vibrating Sample Magnetometer. M vs T and M vs H. I couldn't find VSM working anywhere in Tamilnadu right now. If anyone knows about it, please reply. If not in...
08 October 2023 924 1 View
and how many kpoints should we select for a 2x2x2 supercell having 52 atoms for phonopy calculations?
18 September 2023 455 2 View
Dear all I want to know how to calculate the Impedance from dielectric constant .As I have only Dielectric constant ,dielectric loss and capacitance data .
13 September 2023 1,248 3 View
Why the surface of electrospun fiber membrane be easily peeled off like a spider web, and layered with the fiber membrane below ? The polymer is PAN, the solvent is DMF, with a concentration of...
15 August 2023 6,218 3 View
Under certain conditions, the elastic constant (Cij) of a single crystal calculated based on Materials Studio is negative, and the inspection structure is also the optimal configuration. Is the...
17 July 2023 2,892 3 View
I am using PCL/PLA polymer in CHL:Meoh
16 July 2023 4,789 6 View
The dislocation-based crystal plasticity model for Aluminium (nonlocal_Al) in DAMASK has several parameters. Which parameters should be modified to match the experimental and simulated tensile...
06 July 2023 487 1 View
my trial expired in 20/06/2023 But I don't now how to unsubscribe this trial I only have evaluate license to use in 21 day . I clicked on 'Help' but there is no "deactivate" In Origin's app. I'm...
18 June 2023 2,791 2 View
I am looking for simple way to calculate the thermal conductivity K of my samples (ceramic), in my uni using old equipment "Cusson" but with unacceptable results, so I need other way/ modern...
28 May 2023 8,614 1 View
Hi All, I am working on a exosomal RNA.For expression analysis, which housekeeping gene should be used ?? I have tried GAPDH,but I am getting a very high CT values.
22 May 2023 3,164 2 View
I have a ferroelectric sample, showing ferroelectricity in PE loop measurement. Reviewer suggested to perform polarization current test to see if there is a polarization current flip peak to prove...
20 April 2023 392 2 View
This is the license: https://creativecommons.org/licenses/by/4.0/ I want to copy exact figures from papers licensed under CC-BY-4.0. I will give proper credit, in the form of...
15 April 2023 1,191 3 View
SEM-ANN uses SEM to do feature selection before using ANN and let ANN is easy to be interpreted finally. Another way is using all features then use shapley value to interpret. What are the...
09 April 2023 4,304 2 View