We’re currently facing issues with our FTIR spectrometer, likely due to a faulty laser. Symptoms include unstable interferograms and weak signal intensity. Has anyone experienced this before? How did you diagnose and resolve the problem?
We aim to measure the RNA expression of p53 and K-RAS biomarkers in colon cancer samples. We extracted the RNA from Rneasy FFPE kit and converted the it to cDNA and did real-time PCR using Cyber...
08 July 2024 7,781 6 View
My question is about the Lethal concentration (LC50) and its use to experiment with some biochemical tests on insects. Why should biochemistry bioassays be conducted on insects treated with the...
18 October 2023 2,556 2 View
antiasthmatic activity of plants
02 August 2023 2,886 0 View
I'm working with essential oils as a fumigant against insects, the fumigation test is performed in Petri dishes, (9 cm in diameter and 1.5 cm in height), and all my concentrations are expressed in...
07 June 2023 8,181 1 View
Hi everyone, I am a new user of DFT but with a fair understanding on how to perform the various types of calculations such scf, relax-vc, bands,....using quantum espresso. I want to reproduce...
21 February 2023 5,691 2 View
Hello for everyone I come to you to help me find a solution to my problem in the GC MSD I did the tune the first time and everything was good after I injected a sample the filament goes out during...
06 November 2022 6,346 4 View
Dear all, everyone knows that metal nanoparticles (size 5 - 50nm) are not stable in their size between 5 - 100 nm, especially at high temperatures. What are the interaction forces between these...
25 November 2021 5,700 4 View
Need Help Does anyone Know how to make a Fractional impervious surface (FIS) map from NDVI map, in ArcGIS environment? Thanks in advance
24 February 2021 8,902 2 View
Knowing that the Venturi effect is used most in tubes (according to my basic knowledge in physics) to increase the speed of air or liquids by reducing the tube volume, my question is if we have...
17 February 2021 1,610 1 View
Effective checklists for textbooks evaluation
21 December 2020 4,057 3 View
i am unable to interpret why its increases in start as shown in figure
11 August 2024 2,179 1 View
I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.
09 August 2024 9,894 2 View
I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...
05 August 2024 3,290 1 View
i need to know what the key factors that the freshers are facing to get into the recruitment process, explain me clearly
31 July 2024 6,872 2 View
What challenges do you think businesses or entities face in implementing these strategies? Thanks
28 July 2024 2,125 14 View
There are three operating parameters - the laser power, the diameter of the focus spot and the scanning speed. It is necessary to obtain a seam of a given depth without pores. What parameter...
27 July 2024 7,168 2 View
I isolated microbial DNA from marine water samples taken at various sites using the Qiagen Power Water DNA Isolation Kit, including a modified enzymatic lysis step. I encountered a situation where...
24 July 2024 9,688 0 View
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
I am working on carbonic anhydrase immobilization into MOFs. I am facing problems with low enzyme loading.. The other issue is that when using p-NPA activity test to detect the activity of the...
20 July 2024 1,440 3 View
I would like to use biofilmQ to analyse confocal laser image, how can do?
16 July 2024 7,628 2 View