Training and the environment?

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How to convert IU/ml to ug/ml in case of anti-TSHR antibodies?

Does anybody know how to convert IU/ml in case of anti-TSHR antibodies (Graves disease)? I would like to know how much anti-TSHR Ab I have in a sample

02 February 2024 1,625 3 View

Dear All, do you have any idea regarding dating methods of beach rocks (I mean cement from a carbonate conglomerate, age: last 100 years)?

I expected age between present up to 100 years. I heard U-Th is useless in this case. If you have any idea let me know, please.

27 January 2024 8,273 7 View

How to choose antibodies for western blot?

What are the rules when choosing antibodies

04 September 2023 4,832 4 View

Where can I find examples of practical use of randomly distributed natural fibers to improving the soil in situ, no in the laboratory tests?

I am looking for examples of practical use of randomly distributed natural fibers to improving the soil, e.g. under the foundation or as the top layer of a dirt road, or other. In the literature,...

22 June 2023 340 0 View

Thermal degradation of polystyrene using QMS system: what does m/z=39 come from?

Hello everyone, I would like to ask about thermal decomposition of polystyrene using TG-QMS system - thermogravimetry coupled to quadrupole mass spectrometer. During thermal degradation of pure...

14 February 2023 8,556 3 View

What is the best anti-CD8 antibody for IF of paraffin sections of human cancer?

Dear Fellow Researchers, Can you recommend a suitable antibody recognizing human CD8 in paraffin sections of cancer samples? We want to combine it with other markers and do an analysis by...

09 October 2022 3,676 1 View

How to use continuous variables in COX regression?

Dear Fellow Researchers, We have analyzed the effect of various parameters on bladder cancer recurrence. Among included parameters, we had various continuous parameters. In the literature,...

20 August 2022 6,514 4 View

What are the suspended minerals paricles in seawater?

I am interested in the minerals particles suspended in seawater. What are the minerals? Carbonates, silicates, what more? Which clays are the most common? Could someone provide articles related to...

19 August 2021 6,542 6 View

Does anybody know how to coat Corning microcarriers with Matrigel?

I got CLS4621 and Corning Matrigel 356234

23 May 2021 974 0 View

Concerning Mossbauer spectroscopy: large QS for Fe3+ in Fe-silicates ? It is possible in minerals?

After fitting Mossbauer spectra for Fe(II)-silicate heated at air to 700degC, I observed uncommon, very high quadrupole splitting parameters for Fe3+, I suspect in very disordered environment (?)....

03 May 2021 5,143 5 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

AUX gas reading problem on QE with full MS and PRM method in one run?

Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...

06 August 2024 4,953 0 View

Are air moisture harvesting technologies effective in combating desertification?

Air moisture harvesting Air water collection devices

06 August 2024 5,473 2 View

How to Add Missing Water Molecules in Protein-Membrane Simulations?

I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...

04 August 2024 1,200 2 View

People weight in Oaxaca Blinder Decomposition on R?

Hello guys! Do you have experience running a Oaxaca-Blinder decomposition on R applying person weights. How do you suggest doing it? I have a variable PERWT which gives more information on how...

04 August 2024 6,033 0 View

Training for new staff?

I am looking for some training for new staff that will be starting in a self contained classroom with students with ASD. Most new staff have little to no experience working with students with ASD....

03 August 2024 6,717 3 View

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View