Please how can I calculate the Carcinogenic risk index and Diagnostic ratios of Polychlorinated Biphenyls (PCBs) from water and soil samples?

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How to solve failure of Fluent calculation (Error: floating point exception / Error Object: #f)?

Hi everybody I'm stuck with this error and I dont know what to do to solve this problem Initialization is ok but when I start my calculation this error appears (Error: floating point exception /...

25 January 2021 8,091 3 View

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I am carrying out a project where I evaluate adsorption of this reactive dye with clays, and I want to know in acidic pH how the structure changes. Thanks

23 January 2020 8,126 2 View

Moderated Mediation Analysis using Process Macro - Interpretation?

Hello, I have two questions related to the output of Process Macro for SPSS for Model 7 (Moderated mediation analysis). 1) I run the analysis but figured something strange (maybe it's not but...

30 May 2019 2,797 1 View

How do I remove debris from a beads suspension?

I have a suspension of 40 um beads (2 mL at 400 beads/uL) and I noticed that there are a lot of debris in it. I need to remove them as much as possible to obtain a suspension with no or few...

23 October 2016 7,569 3 View

Can you please suggest any laboratory methods to make conjugates of indomethacin with amino acids?

We are working on conjunction of indomethacin with amino acids and experiencing certain difficulties. Please share any suggestions you have on lab methods, choice of solvent and confirmation of...

03 March 2015 2,129 1 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