Where can I find these two papers?

14 January 2021 1,572 3 View

After CRISPR and single-colony picking, cells reverted to WT?

Hi guys: I have been doing CRISPR knock-in and knock-out and one seemingly impossible scenario keeps happening. In the CRISPR knock-in attempt I tried to add a tag on a gene of interest, so I...

07 January 2021 190 3 View

Is there any ingredient I an add into formula to slow down gas generation from Vitamin C?

I know Vitamin C is unstable and tends to be oxidized quickly. The problem here is I made a Vitamin C beverage at pH 4-5, and it starts to generate gas in the packaging, especially at high...

13 December 2020 6,055 1 View

Why use STOP solution in ELISA?

At the last step for data analysis, we always use a STOP solution to stop the TMB oxidized by HRP. Why do we have to stop the reaction? Couldn't we measure the color wavelength of...

17 November 2020 5,177 3 View

Why case-controlled study is more bias prone than cohort study?

I noticed from several articles saying that case-controlled study is more bias prone than cohort study (in the context of cancer early detection using molecular marker). I spent sometime to try to...

17 November 2020 1,878 4 View

How to perform statistic analysis for age range between two cohorts?

Hi, I was reading the paper (MicroRNA Expression, Survival, and Response to Interferon in... ). In Table 1, I'm wondering how did the authors calculate a p-value of 0.29 for Age? The age in Table...

20 October 2020 2,276 5 View

Is RNALater (Qiagen) or Nucleoprotect RNA (Macherey-Nagel) compatible with High Pure Viral Nucleic Acid Extraction Kit?

I am planning to preserve fresh bat guano in either RNALater or Nucleoprotect RNA but my lab has an excess of High Pure Viral Nucleic Acid Extraction Kits. Any idea if both reagents are compatible...

14 October 2020 2,848 2 View

Hi Dear, Could someone figure the pH out?

There are two Triz-base solutions, the pH of solution #1 is 6.85, the pH of solution #2 is 9.97. What is the pH after mixing the same volume (50 ml) solution together. Please figure it out step...

29 September 2020 1,741 6 View

Is standard deviation of residuals of Markov switching GARCH model regime specific?

I'm using MSGARCH package in R. By return_data/Volatility(fit.model), I get the residuals. When I calculate the standard deviation of the residuals, it turns out that it's close to 1 for all...

14 August 2020 3,132 6 View

Any recommendations on the software to do text mining or sentiment analysis on Chinese reviews?

I am trying to do text mining on Chinese reviews. I have tried out many softwares, like the RapidMiner, Chinese Text Analytics, Python. Most of them seem to require certain level of programming...

12 August 2020 9,109 8 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

Buckling analysis of a cylindrical shell in Ansys APDL?

In Ansys APDL, We are trying to validate our shell model for nonlinear buckling analysis considering the initial imperfection (as given by Ahmed et. al.) We have attached our results as attached....

13 February 2021 9,200 5 View

How can I get the moment on solid elements in Finite element modeling?

Unlike shell elements, solid elements have three degrees of freedom. So how can I get the values of moments after I run the model/analysis on ANSYS / ABAQUS ?

21 January 2021 258 3 View

What species (or genus even) of crab is this (bivalve using hermit type)?

Two weeks ago I found a peculiar crab in the intertidal zone in SW Florida. when found, the crab was not utilizing a shell. It was similar shaped to porcelain crabs found in our area, but with...

17 January 2021 1,620 4 View

What refrence values should i choose for calculating the Nusselt number and surface heat transfer cofficeint?

I executed simulation for a heat exchanger (shell and tube) . but i have a question that if i dont set the reference values and leave them as default values and as you know default temperature of...

10 January 2021 1,573 7 View

Is there any analytical model to asses impact of rigid projectile on monolithic deformable plate?

I am trying to select suitable element type (Solid or Shell) for impact analysis. I have tried with both solid and shell elements. The results are same for both element types up to certain impact...

08 January 2021 3,251 4 View

What is the different between plane182 and shell181 elements in ANSYS?

What is the difference between plane and shell elements in ANSYS? other than the fact that plane has 3 degrees of freedom and shell has 6 degrees of freedom?

28 December 2020 1,811 3 View

Does ANSYS consider the thickness of the shell181 element for the stress results?

Is the stress throughout the thickness of the shell element the same? I learned that transverse shear stresses are accounted for in SHELL181 but I also read that stresses in shells along the...

28 December 2020 4,515 4 View

How to do Lateral Torsional Buckling of beam in Abaqus?

I am going to compare the result of the LTB derived by Matlab to Abaqus, I have done the Matlab analysis and I need to do it now with Abaqus, Can any body help me how can I do LTB in Abaqus either...

22 December 2020 803 1 View