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

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I am looking for high purity calcium phosphate powders. In order to fulfill a special application, it is necessary to obtain sintered bulks being white, but not blue. can anybody help me? Thank...

10 May 2020 1,295 3 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

Any Differences in COVID-19 vaccines?

Are there any differences (outside of the clinical trials that led to their EUA) observed in the rate of infection among those who have received the Pfizer vs Moderna vaccine since the mass...

22 February 2021 9,727 6 View

How to find natural frequency of a bridge from vehicle induced vibrations?

i have frequencies of bridge that are effected by mass of vehicle. the problem is when any vehicle pass the bridge it would add the its mass to the bridge mass ultimately mass of the bridge will...

22 February 2021 10,004 3 View

Did any urologists have experienced with retroperitonel leiomyosarcoma from renal vein with IVC enxtension?

Recently, we got one lady with right side retroperitoneal mass involving renal vein and extends into IVC upto diaphragm. CT suggested leiomyosarcoma. Right kidney separately seen from mass and it...

19 February 2021 6,873 1 View

How can I import .sav file into LISREL?

I've just downloaded free trial version of LISREL 10.3 but I got stuck with importing .sav (IBM SPSS 25.) file. I mainly followed the steps of this video...

15 February 2021 752 2 View

How do you interpret theoretical vs. experimental reaction orders with respect to a reactant?

I recently came across a paper focusing on the hydrodeoxygenation of oxygen-containing compounds. The paper linearized the rate equation in order to determine the experimental reaction order with...

14 February 2021 8,254 2 View

Can i use the " weight moisture" ( humidite ponderale in French) of plants to describe their efficiency in using water?

Weight moisture is : water content/ dry weight , if for example it is 4 it means that this plant have for each 1gam of dry mass 4 grams of water. can i use this to interpret the plant use of...

14 February 2021 5,784 1 View