Can anyone explain the calculation process of integrated biomarker response (IBR)? Any specifical software?

Hi. I'm working with soil enzymes and I have an issue because i saw several papers that used "integrated biological response" or IBRv2 to integrate data from enzymes and build a hexagonal star...

11 October 2020 5,131 3 View

Amendment to reduce bioavailable contents but related with a bioavailability increment?

Hi I am working with a soil amendment to treated some multi-contaminated soils by As, Cd, Cr, Cu, Pb, Sb, and Zn. My amendment (iron oxide) had a high efficiency to reduce bioavailable contents...

06 July 2018 5,116 2 View

Amendment to reduce bioavailable contents but related with a bioavailability increment?

Hi I am working with a soil amendment to treated some multi-contaminated soils by As, Cd, Cr, Cu, Pb, Sb, and Zn. My amendment (iron oxide) had a high efficiency to reduce bioavailable contents...

03 July 2018 8,277 2 View

Anyone could provide references about SEM images of Arecaceae species from archaeological contexts?

In the framework of a research work in the Neotropics I've identified several fragments probably pertaining to Arecaceae species. I've found many papers and atlases of thin-slide sections of...

10 February 2018 3,485 2 View

Questions about TCLP extraction (limit values and calculations)?

Hi I've soil extractions by TCLP for contaminated soils by Cd, Cr, Ni, Pb, Sb and Zn from a shooting range. These extractions were applied to untreated and treated soils with different...

01 February 2017 6,780 4 View

In ALSAQ-40 and ALSFRS-R (Questionnaires of ALS), how are the scores?

12 January 2017 597 2 View

In ALSAQ-40 and ALSFRS-R (Questionnaires of ALS), how are the scores?

31 December 2016 8,066 2 View

An alternative to UBM method to study lead oral bioaccessibility?

Hi everyone Most papers are focused to study the lead oral bioaccesibility in urban soils with the Unified Bioaccessibility Method (UBM) from the Bioaccessibility Research Group of Europe (BARGE)...

09 October 2016 3,111 3 View

An alternative to UBM method to study lead oral bioaccessibility?

Hi everyone Most papers are focused to study the lead oral bioaccesibility in urban soils with the Unified Bioaccessibility Method (UBM) from the Bioaccessibility Research Group of Europe (BARGE)...

09 October 2016 6,602 3 View

Does anyone have information about the use of Roupala montana as firewood for producing aromatic smoke?

I am currently identifying samples recovered from an archaeological site in the Pacific coast of Panama. Does anyone have information about the use of Roupala montana or other wood species as...

21 August 2016 8,576 3 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

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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View