Optical dentisy(Od) of microbe using uv-vis?

Dear All I have checked OD(optical density) reading of microbe against dragon fruit peel extracted using uv vis. The wavelength use is 600nm. May I know as theorytically how this instrument get...

06 July 2018 1,764 0 View

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

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

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

What is the ideal efficiency for a qPCR?

hello everyone, I need to do standard curves for my qPCR, what is the ideal efficiency range? I tried a primer (Mglu2 receptor) that gave an efficiency of 90.2%. Is it accepted?

28 February 2021 1,254 3 View

Can Ethovision store the generated data and video recordings directly to NAS system?

The size of data generated by Ethovision is huge. Having NAS system for data storage seems to be a good option, I am wondering whether Ethovision can directly store the data to the NAS system...

27 February 2021 6,350 2 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

How to use bag of words for action prediction?

Hi everyone, I'm working on an action prediction (i.e., early recognition) using Bag-of-Words. I know how to use BOW, but regarding action prediction, there is a subtle problem. In the...

19 February 2021 1,442 4 View

Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View

How can we assess applied digital skills and soft skills through online examinations during COVID-19 semester?

The final qualification assessment for major programs is a strict regimen that involves different stages - oral and written exams, final project viva, internal and external review. How are ICT...

16 February 2021 1,762 8 View

What are the available keys and descriptions for the identification of lice and fleas in domesticated animals?

I am an undergraduate student at the University of Peradeniya Sri Lanka, currently working on ecto-parasites in domesticated animals. I found difficulties in the identification due to a lack of a...

15 February 2021 277 1 View