Small diffusivity effect that results in reduced antibacterial activity?

Dear All One of my analysis is check antibacterial activity using zone inhibition test. The result found is no colony appear on the disc. The reason is might be high molecular weight, chemical...

03 April 2018 4,218 0 View

What suitable journal?

Dear All I have one manuscript entitled "Identify Type Of Phenolic Compounds Using Uhplc-Esi-Qtrap-Msms And Antibacterial Activity On Liquid Extract Of Pitaya Peel" What kind name of journal...

31 December 2017 7,663 6 View

Which publisher Should I sent the journal?

07 August 2017 4,563 0 View

Differences between Polar compound and phenolic compound?

Hi all What differences between polar compound and organic compound? polar is like charge positive or negative such as phenolic compound. Meanwhile organic compound contained C and H molecules. Is...

05 June 2017 5,282 0 View

Difference between phenolic acid and flavanoid?

What difference between phenolic acid and flavanoid, Can I said, phenolic acid have benzene ring that attached with 1 carbon or 3 carbon. Besides that flavanoid is combination from phenolic acid...

05 June 2017 8,526 2 View

Ferrous and non-ferrous metals?

what differences between ferrous and non-ferrous metals?are they include in the precious metal?

04 May 2017 1,631 4 View

Which oneis better QTOF or QTRAP?

Dear All Which one is better to determine phenolic compound inside the dragon fruit peel either use QTOF or QTRAP? ESI QTRAP is normal resolution but with ion trapping for better spectrum...

03 April 2017 9,407 7 View

How to make confirmation type of phenolic compounds inside the peel?

Dear All I already analyzed dragon fruit peel using lc-qtrap-esi msms to identify type of phenolic compounds by using full scanning mode. Here I attached file for your perusal. Can I said this...

03 April 2017 2,124 2 View

Gap of Research?

10 November 2016 5,700 1 View

Can I just use water as a solvent to extract active compound from dragon fruit peel using microwave assisted extraction (MAE)?

Dear All Can I just use water as a solvent to extract active compound from dragon fruit peel using microwave assisted extraction (MAE)? the active compound is vitamin c, phenolic content and...

08 September 2016 6,829 3 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

How to interpret this FTIR spectrum of pyrolyzed hydrochar?

20 February 2021 2,840 3 View

No title

The regenerated cellulose film was prepared by zinc chloride/H2O system. The zinc chloride had been washed away in the regeneration process, and the wet film which was not dried had uniform...

18 February 2021 9,538 1 View

How do I plot Pressure against crank angle degree in Fluent?

18 February 2021 8,390 3 View

How to get rough estimation of the concentrations of Oxygen and moisture inside the glove box?

Dear colleagues, I was just wondering if you can suggest a good method to get a rough estimation to the concentration of O2 and H2O inside the glove box as unfortunately, our glove box doesn't...

17 February 2021 1,012 3 View

Is there any free software for behaviour analysis of zebrafish ?

I need to do novel tank test and light/dark test for zebrafish. So I need a tracking software for tracking in these tests. Is there any free softwares available for tracking of zebrafish ?

16 February 2021 1,541 1 View