How to get a quantitative phase analysis from small amounts of sample?

Hello, Due to project internal reasons I can only obtain samples (multi-oxide systems) having a volume being to small for a quantitave XRD analysis. Is it correct to fill up the sample with a...

15 January 2021 8,389 5 View

Is there a free or low cost software for editing chromatograms?

For example I want to compare, align and edit forward and reverse chromatograms (by changing, deleting, inserting bases etc. within the chromatograms) and finally get the consensus sequence in...

26 June 2019 7,103 3 View

Protocols for determining live cells grown on transwell filters? Dye? LDH?

11 October 2016 4,436 3 View

Any differences in ecology and distribution Eleusine indica and E. Eleusine tristachya in Europe?

hallo, I need some information about the occurrence and distribution of Eleusine in (South-) Europe (Mediterranean, Spain/Iberia) incl. Canary Islands. Are there distribution maps? What are the...

30 October 2014 3,447 5 View

Has anybody the equipment for annealing a sample under a H2/CO2 atmosphere?

06 August 2014 2,525 2 View

Selection of MSCs/ECFCs with puromycin after transduction - can anyone help?

12 March 2014 663 1 View

How does the distance between the layers in bilayer graphene vary with perpendicular pressure?

I wanted to calculate the change in distance "d" between the two layers in bilayer graphene for a given pressure "p" perpendicular to the surface. For continuous materials the relation between...

13 February 2013 619 4 View

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

How to reduce static electricity of powder after lyophilization?

I am working on synthesizing and then purifying peptides using the SPPS system. After purification of the peptide, the peptide powder is obtained using a freeze dryer. When measuring the powder,...

22 February 2021 10,099 5 View

What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View

How to call both UMAT and UEL together in Abaqus?

I have a model with bulk material (matrix) and inclusions and cohesive interface elements between both. For the bulk material, I have implemented a UMAT and for the cohesive interface elements, I...

20 February 2021 1,286 2 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View