DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate?

Hello all... I m looking for a method for assay DMAE (deanol bitartrate)- dimethylaminoethanol bitartrate in aqueous samples (cosmetic product) using GC- MS mass spectrum HP- 5 ms U.I 0.25...

13 February 2021 7,629 3 View

Can anyone suggest a PEG replacement in toothpaste formulations?

I am aware that PEG has unique properties however I am just reaching out there to see if anyone can suggest a valuable replacement. I was thinking Na PCA. Thank you

16 March 2020 2,729 3 View

Mudvolcanoes, fractures, gas and thermal water. Which are the relationships between these in pre-Apennines areas (central italy)?

Are Mudvolcanoes linked to rep thermal water? And, which are their connections with sinkholes areas?

25 September 2019 8,864 3 View

How would you interpret this difractograms?

Currently I'm working with Halloysite and Loading it with 2 different essential oils (One is apolar and the other one is polar). I did the DRX analisys but can't undertand whats going on, can...

09 June 2019 8,496 3 View

Why did you publish our MN without our pemission?

Dear Sir/Madam, this is an e-mail that I am going to send to your attention. It is mandatory that you cancel from your web site our manuscript submitted to the journal Cells. The manuscript...

16 April 2019 1,611 1 View

How would you interpret p-value using Egger's regression test?

Do you believe p-value

20 November 2017 5,225 7 View

Why i can't transfect huh-7 cells with an ad5 adenovirus vector?

06 April 2017 4,301 2 View

Does anyone knows how to clean a silver foil working electrode from any organical traces?

07 January 2016 6,026 6 View

Why in the Impact-echo technique, factor of 0.96 is present in the equation: f =(0.96*Cp)/(2*T) where f is frequency, Cp is velocity and T is depth ?

In 1997, Dr. Sansalone in her book "Impact-echo: nondestructive evaluation of concrete and masonry" says that this factor is 0.96 due several studies, but they not mention the reason for it.

27 December 2015 7,167 4 View

Which is the best method for attaching CeO2 nanoparticles in graphene oxide hydrogel?

I have prepared graphene hydrogel from aqueous dispersion with ascorbate acid.

19 November 2015 8,658 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