Beyond Beall's list, how to identify phony versus legit journals?

Make no mistake that journals indexed in reputable databases such as Scopus can be considered legit by default. Your contribution sure whets your appetite for learning which venue should...

27 October 2020 246 5 View

How can I analyze the TGA graph to get the weight percentage of organic matter?

Dear everyone, This is the first time I analyze TGA graph of my materials including protein and cooper phosphate crystals. And I would like to measure the weight percentage/ loading percentage of...

09 September 2020 1,062 3 View

How many interviews (qualitative data) are needed to support quantitative data?

I'm doing my MA dissertation on writing strategies usage. I got 69 questionnaire response. I was wondering how many interviews I should do to support the quantitative data? Thank you

14 August 2019 8,937 7 View

Does anyone know a specific staining for lead in fish tissue samples?

I need to stain lead (Pb) in paraffin-embedded sections of fish liver. Samples were previously fixed in 10% Neutral Buffered Formalin. I am struggling to looking for a specific staining for lead...

02 May 2019 8,005 3 View

What is the dispersion of CZTS material?

Dear all, My research field related to solar cells, I am utilizing Comsol multiphysics software to simulate periodic solar cells structures. Currently, CZTS material used popularly in solar cells,...

01 November 2018 3,540 1 View

When i open the main chamber, there is water on the sputtering target, Why did this happen??

I open the main chamber of AJA sputtering machine about 3 hours. When I open the shutter, there is water on the target. I didn't touch anything about this target. Also there is an air...

27 July 2018 4,241 3 View

How to add published version to the existing preprint?

Dear colleagues, If I already added a preprint (the paper was not published), and now that paper has published. So, I want to add the published version to the preprint. I don't want to add it...

06 July 2018 8,350 26 View

Is AI intelligent enough to recognize someone defraud it?

I know there are many cases that AI of Microsoft, Google, Facebook recognize wrong: butterfly to worm etc. I have a question about this. With current technology, can AI recognize that it is being...

20 January 2018 9,007 6 View

Trypan blue assay: Determine dead cells

I am trying to carry out trypan blue assay. However, when I did the experiment, I was so confused about what is dead cell. My protocol : I cultured MDA MB 231 cell lines in plastic dishes. After...

19 July 2017 8,281 6 View

Increase the high resolution of figure

11 May 2017 6,017 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Does any one can help me choose a reasonable basis set for intermediate metal ions interactions with guanine (i.e Fe2+, Mn2+, Cu2+ and exc.)?

Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...

01 March 2021 6,187 2 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View