What is the best Matrix for characterization of lipid with MALDI-TOF mass spectroscopy method?

MALDI-TOF mass spectroscopy is a precious method to measuring the molecular size. But there was a problem during measuring fatty acid with DBH (2,5-dihysroxybenzoinc acid) matrix. In this method...

05 June 2015 697 4 View

Is there any reaction to bond Amine (-NH2) groups to Hydroxyl (-OH) groups?

11 December 2014 5,122 24 View

Is the concept of pH applicable in organic medium?

In organic solvent such as DMSO, DMF, and Acetone, is it possible to measure pH of solvent or is the parameter of pH applied for this kind of medium? and if the answer is yes, how could change the...

11 December 2014 1,432 8 View

What are the slit and bandwidths in Fluorescence Spectra?

10 November 2014 7,851 5 View

What is the peak of carbonyl group (C=O) in aldehye in the structure of a oxidized polysaccharide?

Oxidation of polysaccharide such as dextran with oxidant resulted to breaking of C-C bound in glucose unit. This breaking concluded to formation of aldehyde group. What is the peak of carbonyl...

10 November 2014 2,218 2 View

Is it possible to compare two fluorimetry test with different bandwidths?

10 November 2014 4,583 4 View

What is the meaning of the size of the peak in FTIR spectra?

I have synthesized a polymer with dextran and in FTIR spectra. There are many peaks which are related to different molecular bonds in polymer structures. And a specific peak (such as a peak in...

10 November 2014 2,612 13 View

Is it possible to measure fluoroscent material concentration by Fluorometery?

There are several solutions with different concentration of a fluorescent material which it's concentration are between 10 to 100 ng/ml. The available method is flourimetery.

08 September 2014 9,781 10 View

What is the difference between a self-assembly molecule and a surfactant?

Surfactants are molecules with a hydrophilic head group and a hydrophobic tail. They can make micellar structures in aqueous and non-aqueous solution. But there are some new materials which are...

04 May 2014 6,432 8 View

Do polymer molecules have zeta potential?

Zeta potential is a kind of electric charge which is produced around the surface of particles in colloidal solution. But I would like to know is there any charge around the molecule (such as...

03 April 2014 3,625 13 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 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

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View