How to take p-xrd sodiated carbon anode material?

Can i collect p-xrd data of sodiated carbon anode of sodium ion battery in presence of air? Or I have to do the xrd in inert atmosphere?

23 January 2021 3,506 2 View

Density homogenization in Multiscale modelling?

Hello, For now, I am following the integrated technique to derive the mass from the smaller scale (microstructure). Is there any better approach to get the mass of a given macro-structure from...

16 January 2021 4,792 1 View

How to calculate the degradation rate in percentage ?

I performed the BCA assay to calculate protein content over the time period. However, I'm not understanding how I can calculate the degradation rate in percentage at each time point? What formula...

10 January 2021 9,094 3 View

How do moisture and air contribute to the capcity fading of fabricated anode materials for Na-ion batteries?

I am using a glove box with N2 supply for Na ion battery coin cell assembly. But the oxygen level is more than 20 ppm. Can anyone one suggest whether 20ppm oxygen level is okay for battery...

15 November 2020 5,727 3 View

Berry phase calculations using quantum espresso?

Im new to quantum espresso and i wanted to detect the d33 value of a pervoskite crystal. Apart from this I would be nice to obtain the PE loop also. can anyone share the input files for such a...

14 September 2020 6,590 2 View

Is it possible to reuse Toluene after PAH Extraction with soxhlet?

In my lab, we are using Toluene for extraction of PAH from biochar (byproduct of pyrolysis). There are numerous samples to measure. Therefore, to make it economic can we distill toluene from the...

03 September 2020 6,111 5 View

Probe based primers for conventional PCR?

27 August 2020 1,935 2 View

Regarding metagenomic contamination?

We have lab established culture setup of marine synechococcus PCC 7002 sp. and heterotrophic bacteria. Recently we did metagenomic analysis of it (sequencing was done by an outside reputed...

12 August 2020 187 11 View

How can I remove DMSO and DMF from the quantum dot solution?

I have prepared quantum dots using the solvents DMSO and DMF and now I need to dry out these solvents completely without damaging the structure of the quantum dots. Kindly suggest some methods.

06 August 2020 4,890 1 View

How to find complete protein sequences (not partial) from NCBI database?

I want to generate a custom database of translated proteins involved in a particular process and then blast them against my predicted protein sequences from the metagenome . I have downloaded all...

12 July 2020 2,651 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

Can bacterial suspension be pipetted directly onto petri dish and agar poured onto it?

Hi, recently I encountered a protocol for plating which was not the usual method I have been practicing (pour LB agar onto plate, allow it to solidify, pipette bacterial suspension onto plate,...

28 February 2021 7,292 3 View