Did anybody use VISIONlite ColorCalc Software for liquid samples color analysis?

I would like to read about your experiences in the measurement of the color of liquid samples (wine, oil, or whatever) using a glass cuvette to calculate L* a* and b* parameters with the...

08 February 2021 6,619 4 View

My Xenopus oocytes (healthy frogs) explode before I can make any electrophysiological records, why?

Xenopus laevis oocytes are used in electrophysiology to make transient expression of injected mRNA fragments. Through the technique of 2-electrodes voltage-clamp we can record the physiological...

11 January 2021 6,005 4 View

What is the best washing procedure for Gelatin - arabic gum capsules?

I am preparing microcapsules from complex coacervation procedure to encapsulate an oil phase. However, filtration to remove the aqueous phase results in a paste of aggregated particles. So I am...

25 October 2020 3,152 3 View

Bioinformatic tools to determine ploidy in microbial genomes?

Looking for tools with proved accuracy to detect ploidy levels in microbial whole-genomes.

14 October 2020 4,273 3 View

What is considered a good binding affinity energy value between macromolecules?

Hi everyone, Does exist any threshold for binding affinity value between macromolecules? E.g. Any value lower than -5.0 Kcal/Mol..... How to determine that the binding affinity among different...

22 September 2020 4,329 3 View

No title

26 July 2020 2,893 4 View

Based on your experience, what is the best 3D printing material for teaching human anatomy?

Dear colleagues, We all know that, ideally, human anatomy is better assessed in cadaver model. Artificial 3D-printed moldes, however, emerged to contribute to science. In order to develop...

02 June 2020 7,313 1 View

Synchronous or asynchronous classes during COVID-19 pandemic?

Dear colleagues, what is your approach for remote education during COVID-19 pandemic in terms of timing? What do you prefer? (1) Teaching live with classes pre-established at certain date (e.g....

21 May 2020 6,981 18 View

WRF-CHEM configure start and end of eruption and fall-out?

Hello, I'm using WRF-CHEM to simulate the Etna plume and fall-out. I'm using prep_chem_search.inp to input starting data, using Values.txt tu configure the height, duration, ash mass, and SO2 mass...

19 April 2020 5,503 1 View

Means and SDs for proportions - How to proceed when we need the inverse data?

Hello all, I have a tricky situation here. I need a % and SDs of drug-negative urine tests across a methamphetamine study for a meta-analysis. However, the study brings the % and SDs of...

30 March 2020 9,494 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View