Can I use a conversion table to convert scaled scores to percentile ranges?

Is it acceptable to use a table to convert scaled scores to percentile ranges? I am writing reports for medics and have scores from a range of different neuropsych tests. Some of the tests provide...

22 December 2019 3,022 5 View

Why is the back emf of my bldc sinusoidal ?

I am testing a BLDC motor by coupling its shaft with another motor that runs at constant speed. There are no electrical connections to the tested motor. Measuring the voltage between the phases...

10 December 2019 5,714 3 View

Best brushes for manipulating free-floating brain (rat) sections?

I'm working on mounting 40um coronal brain slices (rat) from free-floating sections. I first mounted a reference series which was then stained with tol blue. Now working on a free-floating WFA...

01 September 2019 2,703 3 View

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30 April 2017 893 1 View

Could somebody advice me a Real-time PCR protocol for FRET-Probes that works on the Bio-Rad CFX96 ?

I already tried to detect mutations by using Fluorescein and Hex labelled Anchor and sensor probes. The device is doing something, it is measuring fluorescent signals but it is completely...

20 April 2015 7,563 3 View

How to improve ultrasonication efficiency?

Hello everyone. I am performing a top-down synthesis of micro and nanoparticles and one of the final steps requires ultrasonication in order to achieve the desired particle size. During my...

13 December 2014 8,923 6 View

What are the possible reasons for negative absorbance in a colorimeter?

Observed during Amylase-Starch assay at various pH.

25 July 2014 9,288 3 View

What are your thoughts on (and experiences with) open post-publication peer-review?

There have been several developments related to post-publication peer-review, commenting and/or evaluation. For example, PubMed Commons, PubPeer, Publons (the latter also offering credit for...

16 July 2014 213 9 View

Can eTPH and PAHs be included in the natural breakdown of organic material in compost soil, or are they more likely derivatives of petroleum?

Three different sources of compost were tested in order to be added to the soil at a student organic farm; the first had high levels of eTPH and pesticides (including those which we just removed),...

24 June 2014 7,036 2 View

Can anyone help me with an immunoprecipitation?

I'm trying to pulldown a FLAG tagged protein. The protein tagged is well overexpressed in my cell culture (10cm diameter dishes) (detected by wb and silverstain). I extract my protein with 2,5ml...

30 March 2014 7,785 7 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Anyone that can help with Maxquant TMT16plex which is missing?

Hi I am very new to proteomics analysis. I have got raw files from core facility running thermofisher TMT 16plex 4 hours. I cannot find on maxquant the option TMT16Plex there is only up to 11...

25 February 2021 1,675 3 View

How to properly calculate the fluid solid heat transfer between polypropylene matrix and glass fiber in a porous medium?

I'm building a cfx model of thermoplastic pultrusion process on ansys and i have a doubt on how is the proper way to set this parameter in a porous medium

24 February 2021 1,915 1 View

How to properly calculate Interfacial area density in a porous domain?which are possible value for glass fiber?

I'm doing a cfx simulation of a multiphase flow in pultrusion and i set the Interfacial Area density in the heat exchange of a porous medium in this way IAD=Total fiber lateral surface of fiber...

23 February 2021 6,043 1 View

Model Volume fraction and magnetic field applications of nanofluids in ANSYS?

Hi I am working recently on a project where I have to study how the thermal properties or heat transfer enhancement of nanofluids as the volume fraction changes, or if a magnetic field is applied...

22 February 2021 961 2 View

Help with assigning pressure boundary conditions in FLUENT on a large structure?

Hello, I created a very tall tower (>1000m) and applied pressure boundary conditions at the inlet (bottom) and outlet (top) that correspond to the pressure are their relative altitudes....

22 February 2021 9,972 4 View