Alternative to use of ethanol in extraction process?

Dear all., I am using ethanol as part of the extraction process of Chlorella vulgaris carbohydrates. Since I am trying to scale up a bit the whole process, I should use much more ethanol, that in...

27 August 2020 1,875 5 View

Do I have to activate NR8383 rat macrophages with LPS before incubation with particles and investigation of cytokines release?

Hello everybody, I'm planning to investigate the in-vitro release of different markers (CXCL10, INF-a, IFN-b, 1L-1a, IL-1b, IL-6, free DNA) by NR8383 rat macrophages, upon incubation with several...

20 August 2020 8,791 1 View

Do you know if Covid-19 dataset is available somewhere?

I'm searching for a numerical dataset about the virus. I found only daily statistical data but i would like access to single patients data. Does anyone know about it?

09 March 2020 6,626 85 View

How do I report stats for a zero inflated negative binomial model?

I need to report my statistical findings in a paper but I am struggling to report the output from R. how do I treat the two sections (Count model coefficients and Zero Inflation model...

28 January 2020 1,422 2 View

What statistical method would you use to analyse point count data on butterfly migration?

I have a set of data to analyse on butterfly migration. Unfortunately my stats skills are not as good as my field skills! Me and my peers have counted the amount of butterflies migrating in one...

09 January 2020 8,150 11 View

How to choose a suitable journal?

Dear researchers, I know some sites that can help to choose a suitable journal to a given manuscript, namely: journalfinder.elsevier.com journalsuggester.springer.com journalfinder.whiley.com can...

13 October 2019 1,453 3 View

Buffer without monovalent salts, can I use Tris?

18 April 2018 8,432 1 View

Alternative to PBS buffer with low salt concentrations?

Hello all, I find myself in need to perform serial dilution of E.coli cells for a luminometric ATP assay. Normally for serial dilution I would use PBS, but from what I understood the...

18 April 2018 5,359 3 View

Toxicity of H2O2 against coli?

Greetings, I am currently trying to determine the toxicity of the effluents of an Electro-Fenton reactor with macrotoxicity method and colony count. The concentrations of H2O2 I calculated...

13 January 2018 1,660 3 View

Does size affect liposome stability?

20 September 2016 4,962 13 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

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

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25 February 2021 5,713 1 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View

Fictitious Boundary Meshing Method (FBM) in Commercial FEA software?

Is it possible to implement FBM in a commercial FEA software package, such as FEMLAB, COMSOL, or open source software like Moose?

22 February 2021 2,968 1 View