How can I calculate quantum yield measurement?

For calculating quantum yield measurement what should be used as standard reference excitation 510 to 530 nm or emission 700-800 nm? Please explain anyone. For my compound i am getting emission at...

04 May 2015 7,016 4 View

Which one is best to enhance the activity of mono metal nanoparticle, core shell nanoparticle or simple bimetallic composite?

This question may be broad, i have the doubt many people are preparing core- shell nano-particles with 2 metals or one metal and another metal oxide or polymer etc., some groups are working with...

06 July 2014 7,175 5 View

What is the difference between aggregation and agglomeration?

The above terms are often using in all nano related paper. I am having a little confusion to differentiate these two terms. Can someone clear my doubts?

10 November 2013 4,838 9 View

Is there any negative effect happen if we increase the concentration of reducing agent?

In solution reduction method to prepare Au nanoparticles by chemical reducing agents like sodium borohydride, ascorbic acid etc., are used in particular concentration. What will happen if we...

10 November 2013 2,967 3 View

How to calculate ID/IG ratio in raman peak for graphene material?

I know the intensity of d band peak and g band peak, but I don't know how to calculate ID/IG can anyone explain? Thanks in advance.

08 September 2013 3,970 21 View

What is the best technique to find out the carbon:oxygen ratio in reduced graphene oxide?

Usually people are using EDAX to analyze the element content, but is it possible to find out the exact carbon:oxygen ratio present in reduced graphene oxide and graphene oxide using EDAX or any...

06 July 2013 9,171 17 View

Why do both transmittance and absorption peaks appear in FTIR spectra?

I have recorded FTIR for reduced graphene oxide and graphite flakes it shows both transmittance and absorption peaks. Whether transmittance peaks are enough, what is the reason for the presence of...

31 December 2012 8,325 11 View

What is the unique nature of graphene? Is it hydrophobic or hydrophilic ?

Graphene is usually a hydrophobic material, that is why it settles down after the completion of the reduction process, we will use some dispersive agents to make it disperse in water, but some...

11 December 2012 1,574 10 View

What are the factors affecting the dispersion of graphene in water?

I prepared graphene using chemical reduction method, i dispersed it in water it dispersed well and the dispersion was stable for a month. Now I am trying the same procedure, but the dispersion...

11 December 2012 571 12 View

What is the simple method to purify graphene oxide?

In the following paper the reported that normal hummers method and modified hummers method that is not only prepare GO but also formed the hydrophobic materials in high quantity how to seperate...

11 December 2012 3,817 0 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 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

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View