How long should vacuum drying ANG (1-7) samples take?

We have isolated ANG (1-7) in a C18 column through solid phase extraction. Elution has been done with 5% Formic Acid in MeOH, but we are experiencing drying times in excess of three hours. Is...

13 August 2020 1,723 5 View

What are the differences between ASME and IMechE? Which one is "better"?

Better e.g. in terms of recognition, quality of publications and meetings, membership benefits, etc

03 April 2017 3,563 8 View

Can someone give me an idea how I can correlate the Spectrophotometric technique with the kjeldahl technique, to quantify proteins?

15 November 2015 2,344 6 View

How to calculate mass balance in aquifers?

For my PhD study, as part of my objectives is to calculate the mass balance (evapotranspiration and evaporation) in an aquifer. For this i would like to get journals of how to estimate both...

09 October 2015 6,387 1 View

Can someone provide me the names of publications/case studies about the direct or indirect aquifer recharge with treated wastewater?

As part of my PhD program, I am writing a review about what has been done or what has been the implications with the aquifer recharge (both direct and indirect) with treated waste water. I also...

09 October 2015 6,089 2 View

Do I have to cite the review or the original work?

I have read some reviews in which there are useful material, but do I have to cite the review or the original paper?

08 September 2015 1,750 1 View

Purification of inclusion bodies from GST fusion proteins?

I have several GST fusion proteins that are insoluble or they form inclusion bodies. I did use 8M urea to solubilized my proteins, which I did not have problems and then I tried to purify them...

31 December 2013 697 29 View

Can anyone recommend studies in peat bogs using GPR to characterize geomorphodynamic events?

The main objective is to determine the impact of climatic changes and meteorological events recorded in peat bodies using non-invasive methods (GPR) to analyse at which extent these processes...

10 November 2012 261 6 View

Principle Investigator v Principal Investigator?

Principle Investigator v Principal Investigator. I've seen these two terms used to describe the head (the so-called PI) of a research project/group/lab. Is there any specific difference between...

01 January 1970 175 7 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

How can plant phytochemistry be included in discussions about whole plant traits?

I am using the concept of plant functional traits (Cornellisen et al., 2003) in a paper. Considering descriptions for whole plant traits (life history; life form; growth form; plant height;...

24 February 2021 6,831 5 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

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19 February 2021 8,647 3 View

Which tropical country is the most easy for obtaining research permit (for biological research)?

Dear all, High beurocracy hihly complicate field ecolocial and evolutionary research nowadays. Nearly all tropical countries (maybe all?) requires research permit for performitng research and in...

04 February 2021 3,672 6 View

How can i use distributed approach(federated learning)for traffic offloading and forwarding in D2D networks? which ML technique is suitable for this?

i want to implement D2D communication in omnet++ with simuLTE. my topic is Distributed traffic offloading approach using Machine learning and content distribution in d2d network to reduce latency...

17 January 2021 6,465 3 View

Any suggestion on literature in Cyber Crime against children?

dear all I am looking for on literature in Cyber Crime against children.

11 January 2021 5,099 5 View

What's the main sources for a study of "ethics" in the 1500-1620 period?

I would like experts to provide me with the philosophers of the 1500-1620 period who discussed "ethics" in all or parts of their career. Erasmus, Montaigne, Castiglione, Bruno, Sidney and their...

04 January 2021 7,054 3 View

What is a variabel to analyze empirically or attest a theory of Malthus (Economic Major)?

I have a project to evidence Thomas Robert Malthus theory about a principal of population (Malthusian Spectre/Malthusian Trap). I want to attest, his theory about a relationship of population and...

02 January 2021 8,146 3 View

No title

01 January 2021 5,831 1 View