What really is difference between high cycle and low cycle fatigue analysis in abaqus?

I have question regarding capabilities of abaqus for high cycle fatigue? Why do we need high cycle fatigue? Also, as abaqus only supports elastic material properties for low cycle fatigue, what is...

18 August 2020 6,411 5 View

Abaqus tyre rolling simulation?

I am currently running tire rolling simulation using dynamic explicit analysis in Abaqus. I get a vertical acceleration of very high magnitude(about 100 times more). What is the best practice?...

03 March 2020 979 3 View

What could be the best way of staining our DNA during gel electrophoresis using Gel Red? Post staining or pre-staining and what concentration?

We use gel red in our lab to stain our DNA for gel electrophoresis. The bands obtained are wavy and smeary sometimes. How shall we overcome this problem?

20 February 2020 3,302 3 View

VCCT with contacts ansys apdl?

I have a question regarding contacts use with VCCT in ansys apdl. I realized that under compression, the there is interelement penetration. When I used contacts with VCCT, I get non-convergent...

31 July 2019 1,713 1 View

What is the minimum longitudinal absorption of gold nanorod that can be measured in UV-vis spectrophotometer?

I am trying to dilute the concentration of gold nanorod (AR 3.7) in order to adjust its longitudinal absorption peak at 0.25. But each time when I add water, after it reaches 0.5abs, the peak...

14 April 2018 9,373 3 View

What are the reasons for the formation of white precipitation along with gold nanorod (790nm-830nm)? Can I use it further for in vivo, in vitro expt?

I got a flake of white precipitation along with CTAB coated gold nanorod (790nm - 830nm) after centrifugation. I want to know the reasons behind it and can I still use it for in vivo, in vitro...

07 November 2017 7,211 4 View

Could anyone suggest me what would be the best solvent to elute phospholipids' spots extracted from TLC plates?

I need to extract Phospholipids from TLC plates by scraping out the requisite spot from the plates. Could anyone suggest an appropriate solvent to re-suspend the extracted phospholipids to use for...

19 February 2017 4,065 3 View

How to determine pka of 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) in propionitrile at -40 C?

The pka of DBU in acetonitrile is 24.34. The pKa values are affected by temperature and the solvent dielectric constant. Is there a formula to convert pka values from one solvent to another as...

27 March 2016 2,372 1 View

What solvent and electrolyte combination is suitable for a large potential window with glassy carbon electrode in non-aqueous condition?

24 February 2016 5,207 3 View

What is the best way to crystallize sodium hydroxide for electrochemical studies?

I have tried to crystallize with sodium hydroxide with ethanol. However, I can still see a peak at 1.3V vs. Ag/AgCl in my CV graph.

16 June 2015 1,790 4 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

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 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

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 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

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 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