Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

17 February 2021 2,141 9 View

When i made an Autotune on GC-MS to check the apparatus, it's not continue the process and there a problem in Mass Filter Electronics?

Dear Connections, I hope you are doing well when I made an Autotune on GC-MS to check the apparatus, it does not continue the process, and there a problem in the mass Filter Electronics as shown...

10 October 2020 8,131 3 View

Does anyone know what is an appropriate statistical analysis of drug release studies?

I am measuring the drug release of a few drug-eluting implants in dissolution medium in different time intervals. All the measurements are in triplicates. Would ANOVA or TTEST is an appropriate...

20 September 2020 8,183 5 View

What is the proper solvent which used in liquid detergent to make it soluble?

Good afternoon everyone, I hope you are doing well I had several samples of liquid detergent I wanna to soluble it with a solvent. I tried with both of ( water, Ethyl alc., Parrafin Oil, DPG,...

05 August 2020 8,664 3 View

What is the best parameters in GC-MS for DB-WAX (60m*0.250mm*0.25microm) in the fragrances field?

Hi everyone, I hope you are well and stay safe. I am an operator for GC-MS instrumental and my company replace the column with another new one which called DB-WAX (60m*0.250mm*0.25microm). A...

14 June 2020 4,440 3 View

No title

Under the conditions of the Corona virus, most countries tended to use the method of distance education, using various methods, including: e-learning platforms, and social media. It is true that...

10 April 2020 7,181 3 View

IS That okay if i injection ETOH to GC-MS?

I wanna to injection sample which contain only ethyl alcohol is that okay or not?

06 April 2020 9,164 4 View

Could car engine oil be an apropriate replace for freeze dryer pump oil?

We just got a new freeze dryer (Biobase) but unfortunately the machine arrived without pump oil, so could any machine/ car oil be used as a substitute? if not could you pls suggest any other type...

06 February 2020 167 3 View

I need to contact some "Full professors" interested in antibacterial potential of medicinal plants, could you please suggest me names and emails ?

I am an associate professor, I am suffering from a lack of expert persons under the title: "Full professor" in the field of antibacterial potential of medicinal plants. I should be most grateful...

28 December 2019 9,919 5 View

What's the effects of the wet season and dry season on biological soil crusts specially algae (Cyanobacteria and green algae)?

I work the research about stabilization of soil by Biological soil crust especially algae (Cyanobacteria and green algae) Could anyone please help me about this topic soil stabilization using...

17 December 2019 8,682 3 View

Is the quality of the article published in Renowned Journal (Elsevier, Wiley etc.)and open access renowned journals (MDPI,Frontiers etc.)are the same?

It is well known that the quality of the article published in renowned journals like Elsevier, Wiley, Springer, Tailor& Francis etc. are very good. Besides, several renowned open access...

28 December 2020 6,256 58 View

Which are the premier Digital Health Journals?

Hei! I am trying to understand the landscape of Digital Health Journals. Is this list below capturing the main (and premier) journals? - Digital Health (Sage) - NPJ Digital Medicine - Lancet...

19 November 2020 4,616 4 View

Is frontiers reliable for publishing research in the field of hydrology?

Over the last few years I followed the debate about the frontiers journals. I noticed that the reception seems to vary wildly depending on the field. While some parts of the frontiers group seem...

19 October 2020 4,022 6 View

What should be the measure of effect size for meta-analysis of efficiency-based studies?

I am planning to conduct a meta-analysis on the efficiency of MFIs from existing literature, restricted to DEA/ SFA based studies. However, most DEA/ SFA based meta-analyses (Thiam and Bravo-Ureta...

30 July 2020 4,534 1 View

How can I extract input / output contributions for a DEA model in R?

I have an example from Frontier Analyst (attached screenshot), but I cannot find out, how to extract the same data in R (currently, I am using rDEA and Benchmarking packages).

01 February 2020 4,819 1 View

How to get critical values of LR test statistics in general, and specifically, when estimating a technical inefficiency effects model?

09 October 2019 6,018 3 View

Is "Longdom Conferences" predatory?

I was recently invited to be a speaker at a conference but it seems rather strange. I had to pay USD 700 for registration. The website is beautiful, and it is organized by this "Longdom...

10 September 2019 6,503 50 View

Which markets are more attractive? Develop, Emerging of Frontier Markets?

Historically, multilateral agencies/institutions segmented global markets into either developed or emerging markets. Recently, a distinction has been made between emerging and frontier...

08 September 2019 352 15 View

Is "Longdom Conferences" predatory?

I was recently invited to be a speaker at a conference but it seems rather strange. I had to pay USD 700 for registration. The website is beautiful, and it is organized by this "Longdom...

08 September 2019 507 4 View

Can anyone share me a better image of the attached map? In which book the map was originally published?

The map is reproduced in Eaton, Richard M. The Rise of Islam and the Bengal Frontier, 1204-1760. Berkeley: University of California Press 1993; reference given are: Barrie M. Morrison,...

13 August 2019 1,485 2 View