17 December 2014 1 292 Report

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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

Is there some good Instrument for evaluate life's quality of patients with chronic disease?

I'm trying to conduct a research from this field. There's someone to help me?

09 December 2020 4,065 5 View

How long does it take to recover a lost job in OG industry?

I am conducting a research on economic impacts of accidents in O&G industry and need to have some brief answers from industry experts. I will be very grateful if you can help me with this...

01 August 2020 5,369 3 View

Optimal potassium to magnesium ratio in soils ?

Hi, After some research, I have found recommended soil potassium to magnesium ratios ranging from 0.25 to 0.7 in agricultural soils (ratios calculated from CEC concentrations). Which one do you...

26 July 2020 5,412 8 View

"GRADE in a systematic review without meta-analysis?

In a systematic review without meta-analysis, should I necessarily indicate the quality of the evidence (GRADE) for each study included in the review?

31 May 2020 3,400 9 View

How to study the crystal structure of nano ferromagnetic materials? How to arrive at a suitable doping agent?

What are the books/articles to study the crystal structure of nanoferromagnetic materials?

31 March 2020 4,195 4 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

Hi, I'd like to stain mitochondria with TMRM in situ, anyone has a protocol?

I would like to see by confocal microscopy the activity of the mitochondria potential membrane using TMRM. The problem is that I can't find a way to stain at TMRM in situ. I can process the...

04 March 2020 5,033 2 View

Do you know good methods to describe the internal morphology of insect larvae?

I am looking for good methods to describe the internal morphology of hymenoptera larvae stages. If you know a related technique or protocol, I would appreciate if you indicate it.

22 February 2020 1,359 3 View

Transforming Survey scales ?

Hi - I have been working on a project to transform our existing Survey scale which is a 10 point scale to to 5 point scale. I am looking for a validated transformation method to move data from...

11 December 2019 3,054 1 View

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Shall I skip the measurement model in SmartPLS?

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