Measuring EHNA (for Adenosine) in living humans?

Does anyone know how/if its possible to measure erythro-9-(2-hydroxy-3-nonyl)adenine (EHNA) in living humans?

10 November 2018 2,819 3 View

What is the best measurement of Adenosine in the brain of living humans?

Are there correlations between blood/urine analyses in Adenosine and specific brain regions?

09 October 2018 5,874 1 View

Standard ROI atlas tractography analyses in FA DWI?

I have computed a FA images for a DTI dataset and registered the FA images to a specific brainstem atlas. I now need to analyze the tractography of this atlas and its relation to the FA image....

05 June 2018 699 3 View

How to measure cortisol levels in living human brain?

09 October 2017 2,929 3 View

How can I save multiple output files from Kubios at once?

I have 300+ participants to analyze in Kubios for heart rate variability. Currently, the only option I know of, is to save each data file one by one, which is very time consuming. Is there a way...

08 September 2017 8,813 1 View

Creating a progress bar in psychopy for subject to see?

I am using psychopy builder and created a code section to have a progress bar, but I can't seem to simplify the code, so that when the progress bar expands, I dont have to keep writing the same...

05 June 2016 5,129 1 View

"Good" vs "Well"?

02 March 2015 762 2 View

What are the perspectives on time?

If we are looking out "into the past" when we view planets/stars away from the solar system, does that mean they are looking at our past when/if viewing us? In which case there is no present? Does...

01 February 2014 1,185 8 View

What is the easiest/fastest way to convert nifti files to img/hdr?

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31 December 2013 8,496 10 View

Viewing the past?

Is it possible that with just the right alignment and gravitational lensing for the light of our galaxy to bend and curve back to us, so that we can directly observe our past?

10 November 2013 2,864 2 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View