20 July 2018 1 4K Report

I am looking for melatonin solvent, particularly chloroform,.I found DMF and DMSO concentration but I did not see for chloroform.

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Is there a way to conduct EFA for two groups (e.g., immigrant descent/non-immigrant descent)?

I am asking this for a scale development study. We have mutual/same items asked to both groups, and some items are asked only to a specific group (e.g., people of immigrant descent). Is there a...

21 May 2024 7,032 1 View

What are operations research software choices for undergraduate courses?

Hi all, I want to learn what you use for operation research undergraduate courses for solutions. I teach both graduate and undergraduate. For graduate courses we use Matlab. However,...

27 February 2023 4,408 3 View

Is there any gene in introns related with phenotype changes of breeds?

I wonder is there any information about the mutation in intron regions related to phenotype.

11 December 2021 4,501 10 View

I will study the phosphorylated STAT3 in synovial tissue by western blotting but i can't same day. How can i keep tissue until the day i work?

When should i add protease and phosphatase inhibitors?

06 May 2021 5,302 4 View

What are the features and advantages of the random effect ordered panel probit model over the fixed effect ordered panel logit model?

As it is known, the application area of ordered discrete choice models is quite wide. So why is logit model common in fixed effect models, whereas probit model is used in random effect models?...

15 April 2021 4,983 4 View

How to estimate interrater-reliability of a variable with 3 columns of answer?

Hello everyone, In my study, I asked participants to write 3 different memories. After collecting data, 2 raters coded these memories. Now I have 3 columns for the first rater and 3 columns for...

06 February 2021 7,791 8 View

Ion exchange vs Size exclusion chromatography based on yield and purify?

What is differences between ion exchange and size exclusion chromatography based on yield and purify. Which one has higher purity/yield and reliable?

18 April 2020 4,193 5 View

Can anyone recommend a good protocol for vesicle isolation from cultured neurons?

Dear all, I am currently trying to isolate synaptic vesicles from iPSCs derived cortical neurons. As you can imagine, I do not have massive number of cells, max I would guess, I have 10 million...

08 April 2020 3,908 0 View

Can anyone recomment a paper or explain the working principles of the multi-channel electrode assay (MEA, Multi Channel System) for neuronal activity?

I was unfortunate to find a paper where the working principle of the MEA technology is explained. How does it do the measurements? How the electrodes getting the signal and convert it to voltage?...

07 February 2020 1,240 1 View

What are the main criteria to evaluate an exploration project's success?

How should an exploration project be evaluated as successful or unsuccessful? What are the main criteria? Exploration of an unknown deposit based on recent protocols or standards (such as JORC or...

28 December 2019 883 19 View

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