What's the CRT (cathode ray tube) role in a STEM microscope?

More Kamran Adak's questions See All

What's wrong with my PCR products?

Hi , I have run my PCR products on gel electrophoresis, but I have seen excessive smear , do you have any suggestions for that?

08 June 2024 6,774 7 View

Please determine a suitable dimension for a wave channel to fit within a lab space of 16 meters by 5 meters；how about 12 meters long, 0.8 meters wide?

Hello everyone. I need a wave cahnnel for offshore wind turbine design. Can hydraulics experts help me in designing the wave channel with quotations links?

05 May 2024 6,867 2 View

Do you struggle with low DNA yield after extraction?

Molpure's SorbElut DNA extraction columns tackle the challenge of low yield. We're interested in collaborating – is there a potential fit for your research?

25 March 2024 6,622 0 View

How to prevent preliminary dilation of stress paths in loose sand samples shearing under undrained triaxial soil compression (CU) condition?

We have sheared numerous loose samples of sandy soils in undrained TXC conditions. A common behavior observed herein was dilatancy in stress paths at the first stages of shearing. Normally, it's...

16 December 2023 1,931 1 View

Request for guidance on protonation of ligand in MD simulation in gromacs and generation of correct gro file?

I hope this message finds you well. I am currently working on a research project focused on MD simulation study of drug desorption behavior on a boron nitride nanosheet with a non-covalent polymer...

28 September 2023 4,514 0 View

How to obtain correct topology of a system in which a polymer is covalently functionalized with nanosheet?

I am writing to seek assistance on a matter related to n2t file generation. I am using GROMACS and charmm36 force field in my work. I am covalently attaching a short polymer(poly-peptide) to a...

30 August 2023 8,023 2 View

How to obtain topology of a system in which a polymer is covalently functionalized with nanosheet/nanotube?

Dear research gate community, I am trying to simulate a boron nitride nanosheet covalently functionalized with a short chain polymer using charmm36 force field in gromacs. I obtained the str file...

19 August 2023 6,244 1 View

How to perform MD simulation on boron nitride nanosheet on GROMACS using charmm force field and how to create appropriate.n2t file?

I am reaching out to seek guidance and assistance regarding a challenge I've encountered while attempting to simulate boron nitride nanosheets using the CHARMM force field, specifically CHARMM36....

11 August 2023 7,922 2 View

I am looking for irradiance data of Photovoltaic Integrated Vehicle or Solar Vehicles. Can someone provide with some data?

Hi Guys, I m working on Solar Vehicles or Photovoltaic Integrated Vehicles. I need data of irradiance profiles. If someone has data or has any lead to where I can get it, I'd highly appreciate it.

23 June 2023 7,204 0 View

Has anyone used Script Mode for Programming DDP600-10 DC Power Supply for Programming PV Curves?

Hi All, I'm using DDP600-10 Programmable DC Power Supply by Adaptive Power Systems (APS). I'm using PVSim Mode to program I-V Curves for PV systems and the ultimate goal is to program the I-V...

29 May 2023 7,698 1 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

What are the emerging trends and opportunities for STEM education and careers in the online space?

10 August 2024 507 0 View

I need JCPDS file of LSFCO nanomaterial. Can anyone provide me?

Require for Rietveld refinement in XRD.

08 August 2024 3,081 2 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 2 View

Is there anyone with experience in TEM analysis who can assist with a manuscript for an upcoming journal?

Hello dear colleagues, We have prepared a manuscript on NiTi-based alloys and are seeking a second opinion on our current TEM results. If you are a Ph.D. holder with experience in TEM and have...

07 August 2024 9,563 0 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

How to fix background error in rietveld refinement of one XRD peak using GSAS-II?

I want to refine one XRD peak of my in-situ xrd but the background is never working good which ultimately fails the refinement. How to refine and adjust the background using GSAS-II

05 August 2024 5,291 2 View

Which distribution type should I use when calculating the average particle size from TEM image? and how to calculate the error ?

average particle size calculation from TEM

04 August 2024 2,921 1 View

Why reactivity isn't increased with more empty spots in valence shell?

If from a geometric perspective the non-halogens, non-noble gases have more empty spots in their valence shell, and the filling/exiting of any of the empty spots in the shell constitutes a...

03 August 2024 4,787 2 View

Vladimir Dusevich

To show image in older STEMs. Newer models do not have CRT, they utilize computer displays.

Volker Klemm

Sometimes the older STEM have both CRT and computer displays. The signal comes from the bright field detector, dark field detector, high angle annular dark field detector ....

Kamran Adak

thanks for y'all