Too low protein concentration for Western Blot - any advice for polyacrylamide gel method?

Currently have punched mouse brain samples of different regions that are of too low protein concentration for Western Blot. Has anyone used the polyacrylamide gel electrophoresis method to detect...

09 January 2021 3,955 3 View

Western Blot: any reasonable alternatives or troubleshooting advice for punched samples?

Hi, I currently have punched mouse brain tissue separated by brain region (using the cryostat) and the initial plan was to do Western Blot analysis on the punched tissue. We already have the...

01 January 2021 8,884 1 View

Does anyone have experience or suggestions on the polyacrylamide gel method of protein purification and measurement for punched samples?

Hello, I currently have sliced and punched mouse brain tissue using the cryostat and I wish to analyze it for the concentrations of different dopamine receptors. We initially desired to use...

01 January 2021 9,455 2 View

How to insert a line of median into scatter plot in SPSS? Multiple variables possible?

Hi! I am using SPSS chart builder to do grouped scatter plots. In the first scatter, I have two groups on the x-axis. I want to add a line of median to each group for better comparison. How can I...

17 November 2020 8,693 3 View

Economic evaluation in mental health services / DataBASE to use?

Hi! I am conducting a master thesis in the field of economic evaluation and mental health services as systematic literature review. Now I consider what databases to use. I have been thinking to...

09 September 2020 2,010 3 View

Can I use in a meta analysis case reports and rcts? And what calculation Do you raccomend( proportion, relative risk....)?

21 August 2020 5,190 3 View

Where can I find credible statistics for social media platforms?

I wonder where I can find credible statistics about patterns of using social networking sites that can be used as a reference in an academic thesis, preferably downloadable. Thanks

08 May 2020 4,932 5 View

Where can I find research papers or data concerning Demographic and Socioeconomic Characteristics of Immigrants and Refugees ?

Hello Everyone, I do hope that all of you are doing well and staying safe amid the COVID-19. I'm trying to find research papers or data that gives a global view about the difference in the...

03 April 2020 4,157 1 View

Why can't I see collagen in SDS-PAGE?

I try to resolve collagen on SDS-PAGE. My goal is to resolve the collagen extracted from skin scaffolds. I use ThermoFisher Bolt mini gels. I can see the protein ladder migrating and also I can...

15 March 2020 9,906 8 View

Your opinion on pulsed field electrophoresis instruments?

Hello, I am interested in running an experiment requiring pulsed field electrophoresis. The primary samples will be budding yeasts chromosomes and minor set of samples with chromosome sizes up...

30 October 2019 7,068 2 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

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

Can the Dunn's test be used as an appropriate post-hoc for the G-test?

Research Question: Are red grouse (Lagopus lagopus scotica) a statistically significant proportion of raptor (bird of prey) diets? I am planning on using a series of G-tests (determining whether...

23 February 2021 5,827 3 View

How to calculate the sample size in an interobserver variability study?

Hi I am conducting an interobserver variability study where we have 12 raters who are going to rate samples of lesions. They will rate up to 10 variables per sample. Although the size of the...

12 February 2021 7,276 3 View

Can you realize "top-down" and "bottom-up" ARE THE SAME THINGS at important junctures IN ONTOGENY (child development)?

Can you realize "top-down" and "bottom-up" ARE [ or certainly can, if not MUST, be ] THE SAME THINGS at important junctures IN ONTOGENY (child development)? This Question is NOT addressing YOU...

09 February 2021 5,289 1 View

What are the things you should keep in mind while designing a controller for a quadrotor and want to implement it on hardware (via arducopter) ?

I am designing a flight controller for a quadrotor. At first I am designing a nested/cascaded controller consisting of only proportional controllers Kp . Now, if i tune the rate controller for 10...

03 February 2021 5,001 3 View

How to discretize a continuous time state-space model in MATLAB correctly?

I am trying to discretize a continuous time state space model using the following code s=tf('s'); G=1/(Iyy*(s^2)) Gs=ss(G) Gd=c2d(Gs,0.01,'zoh'); Now, when i use this discretized model 'Discrete...

30 January 2021 8,665 10 View

SAR X-Band constellation from Capella Space?

Dear all, I'd like to open here a sort of forum for understanding how the geodesists community is moving in view of the X-band SAR satellite constellation. The new constellation will offer new...

24 January 2021 6,248 0 View

Can anyone suggest which type of sensor input signals are more critical in flying aero engines for on-board diagnostics?

Can anyone suggest which type of sensor input signals are more critical in flying aero engines for on-board diagnostics? and high potential sensors for prognostics?

18 January 2021 4,087 1 View

Is there a solution to this conundrum on freefall into a black hole?

18 January 2021 1,582 3 View