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

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

Automated way to clean PPG pulse OX data?

I am trying to analyze PPG data for HRV. I am curious what software are available for automated cleaning of raw PPG data to then be used in Kubios (or other suggested GUI) for HRV analysis? thanks

08 September 2017 1,030 4 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?

-

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

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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View