How can I analyze using NMR spectroscopy; my compound is only soluble in hot methanol?

Halo every one I have isolated a compound from the methanolic plant extract. The compound is UV positive at both 254 and 365 nm. It seems to be insoluble in most solvents like CDCl3, CD2Cl2,...

13 January 2021 2,267 3 View

Are international conferences a dying species?

In our discipline (chemistry), annual meetings of the American Chemical Society (ACS) used to be mega-events with up to 20,000 participants. The current one will be virtual, and the organizers...

06 January 2021 1,882 5 View

How to avoid rejection of your research paper?

Despite certain disadvantages, peer-review is generally accepted as a quality control of manuscripts submitted to scientific journals. The higher the rank of the journal, the more often...

03 December 2020 3,235 17 View

How important are citations? Are they overrated?

Citations of research papers are the topic of various threads on this platform. Quite often researchers ask how to increase the number of citations. I did my first 30 years of chemical research in...

01 December 2020 6,173 94 View

How can we sell chemistry to the public?

Chemistry is frequently termed the "central science". It underlies the foundation of modern civilization (drugs, plastics, textiles, dyes, fertilizers etc.), but the public perception of chemistry...

30 November 2020 1,113 15 View

How can chemistry help fighting COVID-19?

Chemistry is frequently termed the "central science". As such, chemistry is expected to play a major role in fighting the coronavirus. For example, hand sanitizers and drugs are all based on...

30 November 2020 4,983 17 View

What was your most exciting research achievement?

As dedicated researchers we all try to contribute to the advancement of our discipline. Often the work can be routine, but occasionally there are some real highlights. Can you please share your...

23 November 2020 4,150 20 View

Is vertical farming the future of agriculture?

Please provide your opinion on vertical farming. Is it the future of agriculture? If yes, where is it most promising (areas, countries cities etc.)?

17 November 2020 3,934 97 View

Is peer-review censorship or necessary evil?

Most researchers have made individual experiences with publishing in peer-reviewed journals. What is your opinion about the peer-reviewing process in general? In your opinion, is it "censorship",...

28 October 2020 3,631 97 View

Image database of vegetation quadrats?

I am trying to develop a web teaching module (thanks to COVID) on plant community ecology. I am searching some database of photographs from plant quadrats to let students experience the whole...

14 October 2020 8,156 1 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View

What is the system of units used in the thermal conductivity by Spitzer and Harm?

23 February 2021 9,253 1 View

Which thermal conductivity test recommended for Ag-Cu nanofluid?

I have prepared Ag-Cu alloy with polymer coating upon it.... how can I measure thermal conductivity of it ?

22 February 2021 5,915 3 View

What is the difference between AC conductivity and DC conductivity? Is AC conductivity = ionic and DC conductivity = electronic?

I am reading papers on batteries and although mostly people have reported ionic conductivity in Scm-1 but some have reported DC conductivity as well I and am confused as to what that is. Any help...

21 February 2021 9,207 6 View

Thermal and mechanical properties of concrete and steel after cooling?

How do the thermal conductivity, specific heat capacity, plastic strain, critical compressive displacement, and thermal expansion of both hot-rolled steel and concrete change after cooling based...

15 February 2021 1,385 5 View

For acid treated montmorillonite clays what will be the result of surface area?

The organo montmorillonite nanoclays modified with octadecylamine were used for the experiment. After acid treatment, the surface area will be increase. However, in my experiment, the surface area...

10 February 2021 1,581 3 View