How do I post details of my new book?

Barracks, Forts and Ramparts: Regeneration Challenges for Portsmouth Harbour's Defence Heritage, by Celia Clark with Martin Marks OBE. Tricorn Books 2020. ISBN 9781912821648. 450 pages,...

30 December 2020 2,872 1 View

Titulo: Recombinase Polymerase Amplification (RPA) assay design?

23 November 2020 7,770 3 View

Can you recommend to me survey studies (peer-reviewed) analyzing the relationship between Blockchain and Supply Chain?

More specifically, I would like to find papers with a robust research methodology and providing the research questionnaire. Thank you.

23 November 2020 8,537 8 View

When will we have access to Brazilian agricultural censuses microdata publically available? Can Google and Microsoft help it?

Microdata are a wonderful way of analyzing specific issues in an heterogeneous environment. Brazil is wonderfully diverse country, and its countryside is also extremely heterogeneous. We have...

25 October 2020 8,900 2 View

Which solvent would you choose to perform polyamide-6 dip-coating on metal part ?

Which solvent would you choose to perform polyamide 6 coating on metal part ? I guess the vapor pressure at room temperature has to be high to evaporate properly after dipping. So among m-cresol,...

11 October 2020 8,104 3 View

Does anyone have a Bragg Grating simulation example in comsol?

I was searching for a bragg Grating simulation example in comsol, but I did not find any. The only one that I found was incomplete. Does anyone have a Bragg Grating simulation example in comsol?...

03 October 2020 4,337 6 View

Solutions for arc faults on the DC side of a PV installation (Solar installation)?

Hello everyone, I am working on PV projects in the Netherlands and as in Europe it is not mandatory to install specific protection devices for arc faults there is not much info about this, I was...

25 May 2020 9,773 3 View

Avigan ( Favipiravir), Hydroxychloroquine plus Azithromycin. A possible Cocktail against SARS-COV2 ?

All the three medicaments have promising results reported and supposed complementary mechanism of action?

10 April 2020 6,909 7 View

What might be causing the discontinuity in my UV-VIS?

The image I am posting is just two examples of gold nanoparticles, but the problem I am getting is not sample sensitive. The equipment is showing the same discontinuity no matter what we are...

23 August 2019 4,805 3 View

How to use a TEV protease from Genscript?

Hello everyone!, I would like to know if someone can help us with this issue. We are using TEV PROTEASE in my Lab following the manufacturer instructions (Genscript, USA) and we have had bad...

02 April 2019 6,248 1 View

Spread cheese micrograph SEM Analysis. What is this white dot marked with an red arrow?

In this micrograph you can see processed cheese spread with buttermilk powder taken by SEM. I suppose it can be the result of interactions between proteins and the buttermilk powder used as...

13 January 2021 7,429 7 View

Is it possible to get higher order of diffraction (n>1) in HRTEM?

The SAED pattern, we obtained from HRTEM shows the interplanar spacing (d) that corresponds to a higher 2theta value than the Powder crystal X-ray diffraction pattern for the same organic...

02 November 2020 8,073 3 View

Regarding the EDS-mapping and the SEM-BS micrograph, how do you interpret those big grains?

Regarding the EDS-mapping and the SEM-BS micrograph, how do you interpret those big grains? Do you think those dark areas in mapping are caused by the geometry of the big grains so that the x-ray...

30 July 2020 8,669 3 View

The XPS of Pd impregnated microporous carbon based catalyst shows Pd(+2) peaks while XRD and HRTEM shows both Pd(0)&Pd(+2). How can I explain this?

Dear friends, I had prepared Pd NPs impregnated micro porous carbon based catalyst through green route. The XRD and HRTEM of the same shows the presence of both Pd(0) and Pd(+2) on it. Since the...

25 March 2020 6,521 7 View

Could the particle size exhibited by TEM images be smaller than the crystallite size deduced from XRD analysis?

For the first time in my research, a quite smaller size of the prepared samples is exhibited by their HRTEM images, while the XRD estimations of the same samples show that the crystallite size is...

28 January 2020 8,370 5 View

How I should name the machining defects depicted in these micrographs?

While I was inspecting a concave surface that is the result of a machining operation I found these defects. I wonder how I should name these. Thanks in advance.

20 January 2020 4,682 3 View

Wired ghost image- In a TEM image. What might be the cause?

I am wondering what that ghost thick outline, which is around the carbon wire image which I have attached. I did prepare my sample in a different method (sonication-dispersion in Acetone- and...

11 January 2020 3,054 10 View

Could the particle size exhibited by TEM images be smaller than the crystallite size deduced from XRD analysis?

For the first time in my research, a quite smaller size of the prepared samples is exhibited by their HRTEM images, while the XRD estimations of the same samples show that the crystallite size is...

31 December 2019 9,663 5 View

I'm having problems in seeing lattice fringes in my powder sample, through HRTEM images?

Hello everyone. I have synthesized SrTiO3 nanoparticles through hydrothermal route. XRD data clearly shows that the powder is crystalline SrTiO3 with 25 nm crystallite size, I have FESEM images...

31 December 2019 5,973 3 View

Wired ghost image- In a TEM image. What might be the cause?

I am wondering what that ghost thick outline, which is around the carbon wire image which I have attached. I did prepare my sample in a different method (sonication-dispersion in Acetone- and...

31 December 2019 800 10 View