Why does flow deformation occur at the test line and control line on nitrocellulose membranes (LFIA)?

I use 1% BSA in 10 mM phosphate buffer (pH 7.4) solution when striping my nitrocellulose membranes with antigens and antibodies. However, I always observe deformed flow when my sample or running...

16 February 2021 4,224 3 View

How can I set up UV irradiation for crosslinking lab?

Hi, I am using a mix of 2 polymers and want to try and crosslink them. I have a UVA lamp of 365nm and have tried the lab previously at 30cm above. How would you recommend I approach the lab and...

31 January 2021 8,711 3 View

Which air pollution/air quality books do you recommend for working with environmental engineering students?

I am exploring up-to-date books on air pollution and air quality, and I would like to know which books do you recommend for environmental engineering students.

25 January 2021 3,972 7 View

Orbitrap Fusion FT keep getting disconnected?

Hi, I been having a problem with the Orbitrap Fusion for quite a while and it has been getting more and more frequent, which is very frusttrating. The fusion FT would get disconnected suddenly...

22 January 2021 1,235 4 View

How to simulate Sloshing water using Dynamic mesh in ANSYS Fluent ?

I am trying to model sloshing water in a tank in ANSYS Fluent using Wall motion. BUT it seems that System coupling is not responding to wall motion and it works only with Dynamic mesh.

20 January 2021 2,963 3 View

What is the basis set to optimize ZnO using GaussView for DFT calculation study?

Greetings, I have a bit of problem in setup the basis set of my DFT study for ZnO.. As you can see in the image attached below, I use B3LYP 6-31G (d,p) for geometrical opt. of ZnO.. But sadly, I...

13 January 2021 7,508 4 View

Are there other models that meet the same purpose?

Both Jakes and Gaussian models are used to characterize the power spectral densities of mobile communication channels.

11 January 2021 759 3 View

How does titanium dioxide (TiO2) as a coating's component enhance the coating performance in terms of anticorrosion??

Greetings, Recently, I was asked by a researcher how does TiO2 enhance the coatings polymeric structure making it able to reduce corrosion reaction by preventing the penetration of aggressive...

02 January 2021 5,257 5 View

SDAS, secondary dendritic arms space relation with solidification rate?

Want to know the relation between sdas and solidification rate, the mechanism by which getting smaller space between secondary arms by increasing the rate ?

23 December 2020 735 2 View

Shall i use the country's CPI score or rank while entering the data ?

I have the Corruption perception index as a control variable in my study and i'm not sure what i have use the score or the rank of the country ? please advice what i have to use in the data entry...

09 December 2020 3,797 2 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View