How to model Newtonian fluids flows in a cylindrical stirred vessel?

ANSYS Fluent provides some options for modeling Newtonian flows. Which model can be the best model to simulation Newtonian fluids flows in a cylindrical stirred vessel? And how about the Newtonian...

04 March 2020 2,709 3 View

How to conductive polyethersulfone membrane?

Please suggest a way to conduct low voltage poly ether sulfon membrane.

24 December 2019 5,108 3 View

What would be the best way to characterize a superhydrophobic-superoleophilic satinless steel mesh coated by alkyltrialkoxysilane (DYNASYLAN F8261)?

I already utilized XRD and FTIR tests, but the quality of peaks is not good enough to interpret. Apparently, XRD is not suitable for organic materials. So, what is the best way for analyzing these...

12 November 2019 9,221 4 View

Does any one know why in an LDH with M-N-X chemical formula, the M2+ and N3+ ions dissolve differently in aging condition? L/S and pH effect?

during aging of my LDH material, Ca and Al ions dissolve with different proportions in aging process. At pH 8, L/S 20 Ca dissolves more than Al. However, at pH 12, L/S 20 Al dissolved more....

17 January 2019 159 5 View

How can I fix a collagen-hyaluronic acid hydreogel for TEM evaluation?

I wan to fix the scaffold seeded with cells to evaluate myelination.

23 October 2017 9,216 2 View

Which bacterial media does not have fluorescent properties?

04 July 2017 4,978 5 View

What is the details of Venice Lagoon sand?

22 June 2016 961 2 View

What is the best way or procedure for preparation of expandable vermiculite for intumescent mountain mat for catalytic converters?

What is the best way or procedure for preparation of expandable vermiculite for intumescent mountain mat for catalytic converters?

17 February 2016 4,088 3 View

How can we design an algorithm (based on HMM model) for detection genes in unknown genomes?

Which software should be used?

07 December 2015 8,132 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

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 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

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 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

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

Any easy method of analyzing vitamin D in foods by HPLC?

Looking for method of extracting and analyzing vitamin D in foods by HPLC

24 February 2021 7,524 7 View