Ho can help me to do Genetic identification in microorganisme?

Dear, We have started a project on microorganisme identification on guano. We found an interesting result with a new species and probabely genre, unfortunately we need proceed to genetic...

08 September 2017 1,735 0 View

No title

Hi, dear All i recently do a genetic analysis on a mach-room, i found tree allele for some samples. Unfortunately the software i use like Genetix, Genepop... don't analyse this situation...

03 April 2017 5,228 14 View

Proteinase K vs RNase?

Who can tell me why using Proteinase K for the animal DNA extraction and RNase for plant DNA extraction?Are there a plant DNA extraction protocol without RNase?

03 April 2016 2,906 3 View

How to make a PCAiv with R Studio software?

I want to achieve with a PCAiv rstudio without success, which can directed me. Thank you

01 February 2016 9,111 2 View

Are there a product that can replace the liquid nitrogen in the plant DNA extraction?

A nitrogen is necessery to grind the tissu

09 October 2015 2,059 0 View

What is the best way to keep (a long time) of young olive leaf for subsequent DNA extraction?

BECAUSE I HAVE A LONG AREA TO EXPLOR

09 October 2015 9,889 8 View

Why I can not find a reading frameshift mutation after deletion in my sequencing data?

05 June 2015 9,396 6 View

How can I extract vegetal DNA from agarose and acrylamide gel?

Thank you in advance for your answers.

11 December 2014 9,691 3 View

Does anyone want to collaborate urgently on a plant genetics project?

I am currently working on several local varieties that are endangered. I wonder if anyone would be interested in working with me on this project. I work on varieties of durum wheat, soft wheat,...

11 December 2014 2,541 8 View

No title

Please find a provisor leaflet

11 December 2014 7,795 6 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View