Could expired BSA a problem for tissue culture?

Hi, I want to ask if for you using expired BSA powder (expired in 2014 but always in the fridge and protected from light) could be a problem for my bovine primary follicles culture in situ (so...

01 December 2020 8,650 2 View

Neyman - Scott Cluster Process: are these nonsensical parameter values ?

I am trying to fit a cluster model in spatstat in R using the locations of archaeological sites. The resulting parameters values are: trend: 2.514429e-06 kappa: 1.606992e-08 scale: 481.5851 mu:...

18 November 2020 2,993 3 View

Flow cytometry from harvested non-uniform tissue?

Hi everyone! I want to identify by flow cytometry the immune cells found in the brain with a localized injury. My hypotesis is that the injury will attract more/different immune cells respect to...

27 October 2020 748 2 View

What do you use to avoid insect collection infestation?

At the museum we are currently dismissing Paradichlorobenzene and Naphtalene. we are looking for other effective chemical or similar.

21 October 2020 9,553 11 View

Issue with plasmid cloning?

22 August 2020 1,687 15 View

Is there any commercial or open source DIC (2D or 3D) software which is capable of working on field photographs or satellite images?

Is there any commercial or open-source DIC (2D or 3D) software which is capable of working on field photographs of terrain or satellite images for deformation and strain analysis in geophysical...

11 August 2020 4,216 3 View

How to perform in silico peptide cyclization reactions by ChemAxon Reactor?

24 April 2020 9,398 1 View

Does the EGFP epression in a BAC-EGFP mouse correlate with the amount of promoter gene expression?

Hi, I am analyzing immunostainings of 5-HT2AR-EGFP transgenic mice (Htr2a Gene and 5-HT2A Receptor Expression in the Cerebral Co... ) and I have a doubt regarding the conclusion I can draw about...

21 July 2019 209 1 View

Is it possible to "paste" two functions in COMSOL?

Hi everyone, here is the description of the problem. I have a rectangle with some circular holes in it, the inner part of the domain (denoted with D) is defined by the difference between the...

07 July 2019 1,635 3 View

How to avoid for order effects in an experiment with 20 participants and one task with 12 trials?

Hey, we are studying the relationship between trait anxiety and spatial navigation. We have 20 participants and one navigation task with 12 trials. How to avoid for order effects among the trials?...

07 April 2019 9,479 3 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

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 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

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Where can I find public datasets with Covid-19 patient information?

Hi, I'm looking for public datasets that have CT, X-ray information, or medical records for patients with Covid-19. Does anyone have suggestions?

28 February 2021 4,760 3 View

Is there any Machine Learning/AI algorithm that lets you predict with incomplete features without missing value imputation process?

For instance, the model is trained with A,B,C,D,E features to predict F target. Then, I want to make prediction on a new data, but with only A,C,D,E is known without doing missing value imputation...

28 February 2021 1,556 6 View

What are the important topics in the field of Artificial Intelligence in Business world?

Dear All, I am doing my MS in Electronic Businesses. And I am interested in the AI field and its applications for businesses, its benefits, impacts, etc. What kind of scientific research dominate...

26 February 2021 8,816 6 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View