Can I synthesize the silicon dioxide nanoparticles from desert sands?

Can I synthesize the silicon dioxide nanoparticles from desert sands? What is the easiest and least expensive way to achieve this if it is possible?

02 August 2020 2,222 5 View

The solubility of inorganic salts in organic solvents?

What is the criteria of the inorganic salts solubility in organic solvents?

30 January 2018 9,077 5 View

How to choose the out group to build a phylogenetic tree?

hello, The sequencing of the 16S DNA of two strains showed after introduction of their sequence on NCBI by comparing them with the sequences of the authors that belong to the genus Pseudomonas...

21 August 2017 1,914 4 View

It is possible to simulate confinement effect on excitons and trions in quantum dots using Comsol Multiphysics?

30 August 2014 3,585 3 View

Can you tell me when this journal will be indexed in scopus ?

I'm Dr Benamar from Tlemcen university. I have an accepted paper in your journal FCIJ. Can you tell me when this journal will be indexed in scopus ?

01 January 1970 3,915 5 View

Why does the testosterone dissolved in dmso and methanol turns into a white dispersed precipitate when subjected to serum free media?

1mg of testosterone is dissolved in 20 microlitre of DMSO and Methanol respectively. The interpretation showed a positive result. However, when 1 ml of serum free media is subjected to the...

27 January 2021 8,213 1 View

How to distinguish pure and adulterated honey using NMR spectroscopy?

What are the common adulterants in commercial honey? how to identify pure honey and adulterated honey with the help of NMR spectroscopy? Is there any other technique to check purity of honey?

20 January 2021 5,456 12 View

Compare to prevalence before and after covid in population studies?

Dear researchers, I have a prevalence of some diet habit in relatively large narrow population of children 13 years old in 2019 and 2020. Logically they are different population. However, since...

10 January 2021 3,170 9 View

Spectrabase no longer has overlay function?

Hello, I am a quality control chemist and I test raw materials for a nutritional supplement company. I make heavy use of FTIR-ATR for identification. We are a small laboratory with a limited...

07 January 2021 8,850 2 View

Is there a formula or standard protocol for steroid hormones treatment in mice or rats?

hi, I'm going to determine the dosage of testosterone in order to inject to rats or mice subcutaneously. I wonder that is there a particular dose or multiple doses for that or not. thanks.

05 January 2021 5,921 2 View

How much pre-PCR dilution of mixed-template DNA extracted from pollen (honey) is appropriate for Metabarcoding?

I'm working on pollen DNA metabarcoding to identify the floral composition of honey. How much pre-PCR dilution of mixed-template DNA extracted from pollen (honey) is appropriate for the...

28 December 2020 9,132 1 View

What was scientist thinking about Bees communication before Karl von Frisch discovery?

In the 1920s, Karl von Frisch pointed out that bees use special dancing patterns. What scientist or people think about bees communication before its discovery.

22 November 2020 1,426 5 View

Labs for purification, identification & isolation of unknown proteins form native sample of honey and to test versus GS-9L cells in vitro?

I asked for protein purification, identification and isolation of unknown proteins and test versus GS-9L other than that we already got in our patent WO/2014/040605 - form native sample of honey?!

23 September 2020 1,839 3 View

Hormone levels in male mice ?

Dear Colleagues, Can anyone tell me if there are Data about hormone levels in male mice , E2 Estrogen, and Testosterone blood levels in male mice. Thank you very much.

20 September 2020 1,035 3 View

Online self reported survey on nutrition and physical activities of children aged 11-12 years old?

Do you have some recommendation for this this type of survey? Some standard form of survey? I am looking for some short form, that can be easily done by children.

25 July 2020 2,641 3 View