Is the averaging plot of load-displacement graph is acceptable as the standard deviation of three samples of same specimen is high?

Hello everyone. I have three concrete prisms of the same size and obtained the load-displacement curve of three samples, but the standard deviation is 6.55..i plotted the average graph out of...

25 August 2020 3,968 1 View

How to perform Scanning Electron Microscopy with liquid sample?

How the sample is prepared for SEM analysis in the case of a liquid sample?

05 January 2020 6,517 3 View

How to calculate the inner diameter of nano-tubes made up of peptide?

How to calculate the inner diameter of peptide nano-tubes made up of peptide? I have seen that people can find the diameter by 3D reconstruction of CRYO-TEM, which is a very specialized technique...

18 August 2018 4,081 4 View

How to distinguish whether the semiconductor material is direct or indirect from optical spectrum?

please suggest me any other experiment (if necessary, other than optical spectra) to identify direct or indirect semiconductor material ?

18 September 2017 9,554 2 View

Graphitization of carbon soot

Graphitization of the carbonized materials1.0 g of the carbonized materials and 0.5 g FeCl3.6H2O were added to 100 mL distilled water. In addition, the pH of the solution was adjusted 2 by adding...

23 June 2017 2,775 4 View

Density-of-states in CuPc ?

03 April 2017 2,884 1 View

Can you suggest the model or chartsheet for climate change assessment for water resource of a river basin?

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07 January 2015 8,308 1 View

Can anyone explain how to calculate accurate demagnetization factors?

I have calculated demagnetization factors by fitting Kittel's formula but it seems that the Nx, Ny and Nz values are not reasonable.

11 February 2014 7,668 9 View

Hi Dr. Mayne, could you please some of the latest work on Contribution Analysis?

I am interested in learning about Contribution Analysis (CA), especially it's use in Educational Assessment. Your thoughts on contribution analysis in Educational Assessment, especially in the...

01 January 1970 5,959 8 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

26 February 2021 2,499 1 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View