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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How to perform EEG classification of Alzheimer and control groups?

I am doing a project on classification of EEG signals of Alzheimer's disease and control groups. Previously, I extracted the alpha power of the EEG signals and found out the strengths. I want a...

18 February 2021 8,502 2 View

How to perform Kaplan-meier survival analysis in SPSS?

Hi everyone, This is my first time of attempting to run survival analysis. I have a data on patients with End-stage Kidney Diseases (ESKD). I would want to run survival probability by treatment...

16 February 2021 2,647 3 View

Does anyone have a stack of images of action potentials or abnormal brain scans?

I need a stack of black and white .jpeg/.tiff/.jpg/.png images across time of either action potentials, neurons firing, or brain scans (comparing disease and normal brain, disease progression,...

09 February 2021 2,648 3 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View

ACE2 Blotted as a double band?

Hello, I have recently run a western of Vero cells for ACE2. I detected ACE2 at the correct size, but it presents as a double band. The sample was prepared by lysing cells in 1X Laemmli...

07 February 2021 6,973 3 View

Patients with chronic kidney disease could get COVID-19 vaccine?

04 February 2021 278 4 View

What questions should i include in my questionnaire?

I am writing my dissertation, about adults who trained at elite status in their youth, i am constructing a questionnaire with the goal of seeing, how many sustained injury, how many sustained...

28 January 2021 4,787 3 View

How can you accurately induce calcium overload and measure membrane potential in cultured Tg2576 neuronal cells using whole cell patch clamp method?

Hi there, I'm currently working on a project where i need to design an experiment but as i have little to no experience with this level of experimental design and no face to face help i am really...

22 January 2021 6,728 3 View

Where can I get a Music therapy database for Alzheimer's Disease?

I am working on the effect of music therapy on persons with Alzheimer's Disease. I require EEG signals of healthy individuals and people with Alzheimer's Disease/Dementia that have undergone music...

22 January 2021 8,613 5 View