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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

Fslchfiletype for SPM usage: orientation?

10 August 2016 3,004 2 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

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

Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 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 techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 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

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View