How to segregate electrode-dielectric and dielctric-dielctric interface polarization after Capacitance VS Freq. measurement using impedance analyzer?

After measuring the capacitance vs frequency for my MIM capacitor consisting of alternate layers of TiO2 &Al2O3 , there is a rise in capacitance value of ~ 20-160 nF at 100 hz, starting to...

17 December 2020 7,786 3 View

How to start with Principal Component Analysis?

I want to carry out PCA on a set of chemical data, some of them in oxide form and some in elemental form. The oxides are in percentage and the elements are in ppm. I have understood that, the...

14 December 2020 2,201 7 View

Are women working in corporate world are at more risk due to pandemic Covid-19?

A recent report shows that working women in corporate sector are likely to quit their jobs or downshifting their careers due to challenges faced by Covid-19. It is said that may be this is due...

06 November 2020 588 19 View

According to WFP( World Food Program me) access to food is problem in many South Asian Countries . How to solve it??

This is the 21st century. We talk about going to Mars. We got satellites all over the place. But at the same time we have the people dying because they don't have enough food to eat which...

02 November 2020 9,997 4 View

Is it time to re-open schools and colleges?

It has been more than 8 months that Pandemic Covid-19 entered into our life and we are still struggling. With 5.0 unlocking, many things become normal but one thing which is yet to be back to...

01 November 2020 7,105 55 View

Is it true that happy people live longer??

A study on Biological Psychiatry found that aging is successfully linked with a choice to live happy and productive life. Any one who limits his vision to memories of yesterday is already dead -...

21 October 2020 6,503 19 View

Is on line violence against women emerging as a social evil?

Recent study shows that more than 50% women face abuse on social media - from unwanted friend request to indecent messages to peculiar marriage proposals, women face harassment on social media...

14 October 2020 1,668 18 View

Can pandemic mess with our memories?

Research says - pandemic and depression, anxiety and stress are linked and these mental health problems can lead to false memories. Also. it has been found that emotions which are mostly...

07 October 2020 4,221 26 View

What is holistic approach to Higher Education?

Having excellent faculty is one important way to bring quality change in Higher Education. Emphasizing on much needed flexibility, multi-disciplinary creativity, and critical thinking and also...

24 September 2020 4,230 45 View

Can anyone share publication of Seck HA (1971a, b)?

24 August 2020 2,575 2 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

No title

02 March 2021 3,060 3 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 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

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View