What causes the white coloration in shelf fungi?

During late June of 2020, I had picked some relatively fresh Schizophyllum commune. By the time I got around to examining them, they had become dried and shriveled. I placed the point of...

02 December 2020 4,193 3 View

Is there a proper citation for the human genome assemblies?

I am currently writing up results from a study that utilized the hg19 [Genome Reference Consortium Human Build 37 (GRCh37)] for analysis and I have not been able to identify a way to cite this...

24 November 2020 9,960 2 View

Professional Engineer's Code of Ethics: What & How To Assure Compliance?

Historically, the subject question has been met mainly with "After The Fact" assertions. Yet when one learns of the infrastructure failures . . .bridges, tunnels, pipelines, highways. . . it...

11 November 2020 3,574 3 View

Parsing error in autodock vina?

I'm trying to use autodock vina, and I received the following error for the ligand file when running the configuration: "Parse error on line 26 in file "15.pdbqt": Unknown or inappropriate...

21 October 2020 7,245 1 View

How do we use adjusted prevalence rate (aPR) in a meta-analysis?

Hi, I am doing a meta-analysis using Review manager determining association between increase in pollutant concentration and the risk of a particular disease. Majority of outcomes are reported as...

20 October 2020 10,012 3 View

How can I calculate prevalence ratio on Stata?

Hello, Our study aimed to estimate the stress prevalence among health professionals who works on pre-hospital services. The dependent variable was the presence or absence of stress (dichotomic...

16 August 2020 9,595 5 View

Q1. What changes have been observed in the professional lives of our CE graduates ? Q2. What CE academic programs have developed?

In June 1995, the culmination of some 3 years or so of preparation, led by professor Dr. Jim Yao, Texas A&M, resulted in an "ASCE Education Conference" in Denver, CO. At the end of that...

12 August 2020 1,069 3 View

How can I delete a document and replace it with proper text?

I have added a new document to my documents but found it was the wrong file. How do I delete the current document so I can replace it with correct one.?

03 August 2020 292 1 View

No title

16 June 2020 2,168 1 View

Native English speakers and/or PIV intermediates: Could you check the wording of my PIV tool...?

Hello everyone, I have made a free PIV tool for Matlab in English, but I am not a native speaker. I would like to make the tool as clear as possible because it is used quite often. Could someone...

09 June 2020 5,449 3 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

How can I edit suggested publications?

Hi there! I regularly receive suggestion about papers and authors that are totally out of my area. Does anybody know how I can fix this? Thank you!

01 March 2021 9,574 4 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View

Can you perform the Murexide test on samples fixed in Formalin?

I have a fixed sample and would like to use the murexide reaction to test for uric acid composition. I no longer have fresh samples

22 February 2021 1,328 1 View

Monte Carlo simulation?

Hi, i am conducting a Monte Carlo simulation for my new distribution but the MSE values are increasing while the sample size increase, does any experience this issue before and what should i do...

22 February 2021 3,680 4 View

Can we use a compensation matrix with single staining that the negative population for each single staining is below zero?

Recently we used single staining to make a compensation matrix. But, for each single staining we saw that 13 to 25 percent of our negative population had been shown below Zero. In this situation...

21 February 2021 9,982 2 View

How would I use a glycerol fixation to fix whole brain Drosophila tissue?

I need to take IF images with DAPI on a confocal but I need to use a glycerol fixation. Has anyone done this method before, if so how was it done? Thank you.

21 February 2021 3,081 3 View

How to compare means of continuous data with zero-inflation and skew?

I have two groups (unpaired) of plant biomass measurements and want to know whether there is a test that can be used to determine statistical significance where assumptions are not violated. The...

18 February 2021 1,258 4 View

Is there any general protocol for immunohistology staining?

I have some fixed slides of tissue and need to do some staining, but I am not sure where to start. There are many protocols online. Any suggestions?

17 February 2021 3,062 4 View