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02 March 2021 3,060 3 View

Does anyone know of tested survey questions or value statements to evaluate consumer ethics for food and agriculture?

I'm looking for tested survey questions or value statement that address topics of food and agricultural ethics and consumer values for food purchasing... is anyone aware of an existing study that...

01 July 2020 301 2 View

What is the best DNA extraction protocol to use for extremely oligotrophic soils?

We are trying to extract DNA from soil samples, these samples are collected from the Namib Desert, the site is about 20 Kilometers from the Atlantic Ocean. The soil has a high salt concentration...

26 October 2019 9,423 3 View

Is there a good replacement kit for he Ribo-Zero Gold rRNA Removal Kit (Epidemiology)?

Since Illumina announced that they will stop selling the Ribo-Zero Epidemiology kit, I have been looking for a good replacement kit. It will be a problem for people planning to use this kit,...

16 October 2018 432 5 View

Can anyone suggest a non-parametric version of a within-between repeated measures ANOVA?

06 August 2017 1,937 3 View

How come my cresol purple solution (cf SOP 6b, Dickson) has no absorbance peak at 578 nm?

19 July 2016 9,230 6 View

Why does Tris has low-conductivity?

25 January 2016 2,807 1 View

Is there a workflow for analyzing microRNA data in Galaxy?

01 December 2014 1,079 6 View

Best method for bacterial DNA extraction from intestinal biopsies (small sample size)?

I have recently used the DNEasy tissue kit to extract DNA from intestinal biopsies with the goal of amplifying the 16SrRNA gene for bacteria for sequencing. I know there are many kits on the...

30 August 2012 7,436 2 View

Please, can you give your opinion about cultured meat?

Dear colleagues, Our team have set up a study aimed at investigating consumers' perceptions of "cultured meat" also called "artificial meat". Therefore, an international survey is underway on...

01 January 1970 4,558 31 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

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

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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View