How to achieve the convergence of the solution in COMSOL Multiphysics?

Hello! Please tell me how to achieve the convergence of the solution ... In Newton's method I set 50 iterations and the finest grid, but the solution still does not converge I would be grateful...

23 January 2021 935 5 View

How to set up a PI controller for a wind turbine pitch angle control system?

Hello dear colleagues and experts! When developing a model of a wind generator, I faced the problem of adjusting the PI controller for the pitch angle. I read a lot of articles, but the PI...

27 October 2020 9,339 10 View

What is the meaning of an adjustment for confounding factors in the context of multiple regression analysis and epidemiology?

I have reformulated the question I mean a statistical approach for adjusting values using multiple linear regression which is often used in ecological studies (e.g. Urashima et al., 2020 Int J...

13 October 2020 3,142 5 View

ADP-Glo test for ATPase activity of NLRP3?

Hello colleagues! I want to investigate the atphase activity of nlrp3 in the ADP-glo test. but I don't know what type of buffer to use for analysis. Can anyone help me?

12 September 2020 7,596 3 View

Analysis of Neural Data?

I would like to know what are good sources (books, tutorials, references in general) for the application of Data Science to the field of Neuroscience (Analysis of Neural Data), and where could we...

04 August 2020 5,848 4 View

Is comparing some rates among the patients with respective rates in general population appropriate in epidemiology?

Is it appropriate to compare rates of (for instance) tea consumers among patients admitted to a hospital with some disease, with rates of tea consumers in general population in the same country?...

11 March 2020 5,560 3 View

What is the difference between "exact polarizability" values and values beginning with "Polar" in the end of output Gaussian file? And which units?

Gaussian output contains a string "exact polarizability" with some values and also there are some values beginning with "Polar"in the end of the output? They have different values. What is the...

13 November 2018 3,646 3 View

Hello! Can anyone please explain the difference between static and dynamic hyper(polarizabilities)?

I'm trying to perform NLO properties calculations with Gaussian and I need to calculate first hyperpolarizability. I faced in literature with static and dynamic ones. Can anyone explain the main...

12 November 2018 1,699 4 View

Could you advice a software for DNA sequence annotation in printed materials?

Sometimes you have to represent a nucleic acid sequence on paper, not as an image, but as a text with notes. Is there any suitable program (Windows OS) possible to divide raw sequence into pieces...

24 September 2018 1,939 2 View

Question regarding the representation of the E(X*X^T) matrix of a random vector with a non-negative support?

There is a random vector x=(x_1,x_2,...,x_n) with a non-negative support. There is additional constraint Ax=b. Is it true that E(x*x^T) belongs to the set conv{yy^T

30 May 2017 4,647 7 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

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

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01 March 2021 3,905 5 View

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 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

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View