What is the power calculation formula for two exposures ?

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How to assess the viability and manage debris in fish primary cell cultures?

Hi, I would appreciate professional and technical insights regarding primary cell culturing. I've been working on optimizing my primary cell culture, and while it is successful at times, there are...

10 July 2024 4,918 2 View

Why and how to solve unmatched forward and reverse sequencing result by Sanger sequencing?

I’m currently working on polyglutamine disease by Sanger sequencing to count the CAG repeats. However, since my targeted genes involve CAT or CAA interruption in the CAG repeats, their...

01 July 2024 8,328 5 View

How to model variable thickness composites in LS-DYNA?

I am trying to model a variable thickness composite part in LS-DYNA and I am unsure on how to implement this. I have used PART_COMPOSITE in the past when testing with a composite part with the...

23 April 2024 9,376 1 View

A y relevant articles related to teaching evaluation system in China?

I am do a research on teaching practice evaluation in China, specifically in Xi'an Shaanxi province

08 April 2024 9,072 1 View

Do you can resolve geometry problem?

in the given regular triangle ABC find the locus of the points M inside this triangle such that MAB +MBC+MCA=pi/2

07 March 2024 7,514 5 View

How to make a 33bp deletion from a plasmid?

I would to delete up to 33 bp from a plasmid to generate deletion mutation. Has anyone tried using Agilent Quikchange lightning site direct mutagenesis to delete such a long region? How feasible...

06 March 2024 8,136 5 View

Do you can resolve geometry problem?

In triangle ABC, the median BD is drawn from vertex B to side AC. If the length of AC is 10 cm and the length of BD is 6 cm, what is the length of the median AE drawn from vertex A to side BC?

02 March 2024 7,052 2 View

Temperature for PCR machine lid during ligation?

What should be the temperature for PCR machine lid during ligation overnight at 16c? Will the usual lid temperature at 105c affect the ligase performance?

20 February 2024 7,764 3 View

Separate IPA-water mixture?

Hi everyone, I am conducting an experiment which I am extracting substances into a IPA-water mixture. Since I am going to analyse the substances using GCMS, I need to somehow remove the water...

09 January 2024 4,059 3 View

Why protein ladder starts separating in sds-page stacking gel?

I made two 10% sds-page gel (10% resolving and 4% stacking) and run them at 20mA. I am testing whether my newly edited recipe for gel casting is correct or not. Apparently, the gels took 3hr for...

13 December 2023 7,487 1 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,722 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

Which distribution type should I use when calculating the average particle size from TEM image? and how to calculate the error ?

average particle size calculation from TEM

04 August 2024 2,920 1 View

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,229 4 View

How to calculate effect size of AMCE (Average Marginal Component Effect) in Randomized Conjoint Experiment?

I am following Hainmueller, Hopkins, and Yamamoto's (2014) paper for my randomized conjoint experimental data analysis. The link to the paper is provided below. I received a comment from the...

02 August 2024 4,406 0 View

Given the current level of natural phenomena cause by the climate change and environmental pollution, will the AI find the technological solutions?

AI-driven technologies offer previously unheard-of capabilities to process enormous volumes of data, extract insightful knowledge and improve predictive models, according to the UN’s World...

31 July 2024 9,733 3 View

How to conduct a sensitivity power analysis for Kendall's Tau?

Is there a straightforward way to conduct a sensitivity power analysis for a Kendall's Tau correlation? I was considering using the sensitivity setting and "Correlation: point biserial model" test...

28 July 2024 6,133 8 View

How to estimate sample size for GWAS of continuous and discrete traits? What are the pre-requisites?

Genome-wide association study (GWAS) Continuous traits: eg. Height Discrete traits: eg. Eye color

28 July 2024 284 0 View

Why microbes are used in environmental engineering and role of microbes in reducing environmental pollution and improving environmental quality?

25 July 2024 5,191 5 View

What is the best method for removing paraffin from plant samples prepared for microtome?

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24 July 2024 3,087 3 View