Could anyone tell me how to do 15N enrichment of soil sample with NH4 15NO3??

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Can anyone please share me the recipe for the optimization of CaCO3 precipitation by Bacillus using different carbon and nitrogen sources?

I need the specific concentration of different components to study the effects of carbon and nitrogen sources on CaCO3 precipitation.

19 September 2023 6,590 0 View

Why there are double PCR bands..? Can I send this for sequencing ?

Actually I am having issue with double purified PCR bands for gel electrophoresis..

29 August 2023 7,717 5 View

How to reduce PVA porous film shrinking during drying ?

I'm preparing porous PVA films by phase separation technique. Once the film has formed, it needs further drying. But during drying the film is shrinking slowly. How do I prevent this.

27 May 2019 1,503 0 View

Dear all, Can you suggest how to measure concentration of different component present in a homogeneous solution while it is changing with time?

I want to measure concentration of different components present in a homogeneous solution containing polymer and volatile components. During evaporation of volatile components there is a change in...

02 April 2018 8,428 0 View

Hi, can you please suggest how to measure ionic conductivity of a solution at different layer throughout the thickness of the solution?

I'm measuring ionic conductivity of a polymer solution by simple conductivity meter.it gives average ion concentration. But in my system there is a gradient in ion concentration throughout the...

22 March 2018 4,720 2 View

What does actually mean by Fe/MgO compound...? Please help me if anyone work on this materials..?

I want to working on Fe/MgO compound by hydrothermal synthesis technique. Many research paper shows that it xrd pattern seems to MgO compounds but in my case i got Fe2MgO4 and Fe-Mg-O compound sot...

26 July 2017 4,463 2 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View