Does anyone know the differences between andesitic waters and magmatic water in oxygen and deuterium isotopes?

How to retain the a GFP tagged gene expression in stable cell line?

Hello , I established a stable cell line expressing GFP tagged to a centrosomal gene having G418 drug selection marker. I validated the stable line by IFA and Western blotting, results are fine....

29 July 2024 5,007 0 View

What change would occur in physics if the three different sizes of the proton and the two sizes of the deuteron accepted as new physical constants?

For people today, the enigma of the size of the proton still remains enigmatic. However, being myself a researcher in new physical theory which makes it possible to extend the different standard...

28 July 2024 7,823 1 View

Airborne Geophysics in Mineral Exploration ?

Appreciate your advice as I am asking about Airborne Magnetic Survey for mineral exploration (Gold and Associated Elements). What's the maximum depth for detecting subsurface extension and what...

02 July 2024 6,179 5 View

Collecting/storing plant stable isotope samples?

Hello! I am planning to collect plant leaf samples for stable isotope analysis. I will be collecting them from the field and storing fresh tissue on ice. I have heard that bringing along a food...

01 July 2024 9,125 1 View

List Plasmid suitable for Homology cassette in CRISPR-Cas9 protocol for Knock-In in mammalian cell line ?

Hello, I am working on creating a mutant endothelial cell line having Neomycin knock-in present, I have designed my homology arms of 1kb size having neomycin in between them, I would like to...

25 June 2024 1,197 0 View

How to properly label fish feed pellets with stable isotopes for tracing C and N flow?

Hi, I´d like to trace the C and N flow in a recirculating aquaculture system by labelling the fish feed with concentrated stable isotopes. From a supplier, I found a product ouf of algae lysate...

19 June 2024 746 0 View

What are some reliable methods to measure the concentration of H2 gas at ppb levels?

We'll have vials in which we expect H2 generation to occur. Over the first few days, the amount of generated H2 is expected to be at ppb level. GC (+ TCD) detector is best when your H2 level is...

18 June 2024 254 3 View

How do I calculate endogenous peptide using Isotope Dilution Mass Spectrometry (IDMS)?

Dear Researchers, I'm trying to develop the quantification of endogenous peptide in tissue using IDMS as the primary method of characterization. I performed analysis for the calibration curve of...

17 June 2024 9,797 0 View

How to distinguish the origin of sulfides in subduction zone interface rocks?

If we find sulfides in subduction zone interface rocks, how can we distinguish whether these sulfides are related to crust-derived fluids or originate from the original mantle wedge? Especially...

15 June 2024 654 1 View

Stable transfection be combined with two or more antibiotics to screen cells?

Can positive cell screening after stable transfection be combined with two or more antibiotics to screen cells? Will all the cells die?

10 June 2024 9,739 0 View