How to avoid ulcers in s.c. injected tumors ?

Recently, we have injected s.c. B16F10 tumor cells in BL/6 mice. At around 12-15th day some animals showed ulcerations in tumors , with a big hole in the middle (it looks like a volcano). We have...

01 March 2021 9,938 3 View

What is the standard protocol in doing replicates for C. elegans lifespan assay on solid media (thru worm picking)?

I would like to know what is the standard protocol in the number of worms per plate and number of plates per concentration of extract X in a lifespan assay done in solid media and not automated...

23 February 2021 9,933 1 View

SPSS AMOS: Running my structural model decreases the CFI significantly - trying to account for it results in an unidentified model. What can I do?

Hi, after a thorough EFA and CFA, I've created my structural model (with imputed factor scores) in AMOS and ran it. While it provided me with all path coefficients, I found that the CFI had...

06 January 2021 5,087 4 View

Does anyone know how to fix the "A sample of parameter values was inadmissible"-error in SPSS AMOS when imputing factors?

Hi all, I'm trying to impute factors after testing my model for CMV and therefore included a common latent factor. Unfortunately, I always get the same error: "A sample of parameter values was...

02 January 2021 6,647 5 View

How can I measure the bacterial growth in a wet fabric in a petri dish?

I have to measure the growth of the bacteria in a piece of fabric for my senior design project. I don't know how to measure it. The only way that I know is by the naked eye or by the microscope....

23 November 2020 2,897 6 View

Calculating effect sizes without knowing the sample size by subgroups?

Hello! I am calculating effect sizes for a research synthesis of the literature (e.g. Hedges' g), but many of the original publications do not provide the sample size (N) by subgroups. I see...

13 September 2020 7,587 3 View

Does an oral & Maxillofacial Medicine Specialist or physician have experience prescribing buspirone to a patient with SSRIs-related bruxism?

Does an oral & Maxillofacial Medicine specialist or physician have experience prescribing buspirone to a patient with SSRIs-related bruxism?

09 September 2020 5,952 4 View

Who can help me justifying intervals in my analysis?

Dear researchers, In my study, I have qualitatively (with a bit of quantitative) found results when comparing how cities and states attract international organizations. These results I coin low,...

18 August 2020 9,608 3 View

Will making a hydride acceptor more electrophilic speed up hydride transfer?

I have been searching the literature about this and I have not found an answer. If the atom that accepts a hydride is made more electrophilic, can this speed up the rate of hydride transfer?

29 July 2020 9,944 1 View

Can the energy displayed in Gaussian Calculation Summary be used to compare the stability between molecules?

I want to compare the stability of molecules that have the same number of atoms. I optimized these structures and calculated their vibrational frequencies. Gaussian09 gives a Gaussian Calculation...

18 July 2020 5,243 5 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

What can explain a low expected heterozygosity rate for T. monococcum wild samples (0.09) ?

I conducted an SDS PAGE electrophoresis on wheat wild varieties to separate their glutenins and measure the genetic diversity of my sample. I only ran one electrophoresis. Can a genetic drift...

14 February 2021 3,971 1 View

Is diversity in teaching methods for students important in communicating information?

Is diversity in teaching methods for students important in communicating information?

26 January 2021 3,387 7 View

Corpus linguistics collocate indicative of diversity?

I have a question, as to whether collocations in corpus linguistics can be used to indicate diversity. I have a corpora of media news articles, and I manage to find out the frequency of my target...

19 January 2021 1,446 1 View

I'm curious whether there is any research available on the use of AI related to diversity&inclusion (efforts)?

I'm looking for studies or conceptual papers on the (potential) uses of AI for enhancing diversity and inclusion within organization. The biases concerning the use of (big) data are known and...

18 January 2021 4,222 4 View

R package for multivariate dispersion as a measure of beta diversity?

Hello, everyone: I've been reading some old and new papers on how to compute beta diversity using incidence or abundance data from several assemblages/communities. For my data, I am interested...

03 January 2021 9,293 1 View

How can we say a species of insects got extinct?

02 January 2021 4,232 10 View

How can the SAR image be divided into two looks using the spectral diversity method?

Hello I'm working on SAR Images Co-registration.I want to divide my image into two looks with the spectral diversity method. But I did not find its complete formulas in any article. Does anyone...

13 December 2020 3,270 4 View

Is it possible to calculate biotic index without specifically knowing the name of family/species of an insect order?

I'm studying the relationship between aquatic insects (as biomonitoring medium) and water quality of river. I only have the data for the number of insects/organisms based on their respective...

23 November 2020 2,792 18 View

Effective number of species and Wilcoxon Signed Rank Test for diversity between 2 ecosystems: is this accurate?

Hi! So I'm currently studying the diversity difference between 2 ecosystems. I ran a Shannon-Wiener test on site 1 and site 2 and found the indices of 1.525 and 2.165 , respectively. I have done...

22 November 2020 6,798 1 View