How would I go about getting an expert review on the interview questions for the dissertation?

Good Evening, My name is David Marshall and I am Doctor of Management Student at Colorado Technical University Online. I just recently received approval from the IRB to start data collection on...

08 February 2021 346 7 View

Whether L version and D version peptidesshould have identical NMR, especially in the state of self-assembly?

Whether L version and D version peptides should have identical NMR, especially in the state of self-assembly have to have identical NMR? How to use HRMS to confirm L version or D version...

01 February 2021 6,756 4 View

How to plot Random Forest model as raster prediction map in RStudio?

Output_raster

27 January 2021 7,974 3 View

Requesting dataset for research purpose?

I am doing driving style analysis research with OBD data. Could anyone provide me links to get the dataset?I am not able to get it anywhere..

20 January 2021 9,707 2 View

Which one I should choose in Abaqus ?

Hello, plese give me your idea! I simulate one slab concrete affected by temperature at top and bottom surfaces. after that, have a static load distribution with small area put on top surface. I...

12 January 2021 5,769 4 View

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

How to calculate age-standardized prevalence ratio with 95%CI?

I need to calculate the prevalence ratios to show the trend of prevalence of a drug group used by pregnant women over the years (2001-2018). I would like to use the year 2001 with age distribution...

05 January 2021 7,986 5 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

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31 December 2020 9,207 4 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

No streamlines present in a small region inside a flow. This means exactly what?

No streamlines present means whether the flow is getting obstructed there and the velocity inside the region is zero? Or else, the fluid is trapped inside that region with a nonzero velocity?...

22 February 2021 5,249 10 View