Why is the q-value in SAXS data 2pi/d and not 1/d?

I am usually working with electron microscopy images of macromolecules, and we use reciprocal distance units [1/Angstrom] for units in Fourier Space. A repeating signal every e.g. 10 Angstrom...

27 September 2020 5,008 1 View

Does anyone knows paper about Yoga and running or endurance performance?

For many coaches and athletes insert pilates or Yoga could represent a good tool to improve core training, balance, flexibility, strenght avoiding the boredom of some gym work-out. Does exist any...

28 July 2019 3,407 3 View

It is possible to solve a MIQCP with CPLEX with non-convex quadratic constraints?

I got an problem solving a MIQCP: I want to cut my feaseable region into to spaces with a quadratical constraints (half circle). For points inside my half circle there is no problem, but the area...

06 February 2018 1,803 4 View

Why do I have very low labeling efficiency of DNA probe with DIG?

I am trying to label a 2.5kb DNA fragment (~50% GC content) with the DIG High Prime DNA Labeling and Detection Starter Kit II (Roche, cat. no. 11585614910), but my labeling efficiency is 10-20...

21 December 2014 8,284 3 View

Do you know the recent summary of radiometry for space telescopes?

01 January 1970 3,293 1 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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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