Im currently trying to analyse the graf of PL spectra. Could you please advise me on how to analyse this?

More Nurliana Farhana Salehuddin's questions See All

What would be the reasons of the unmatching between binding energies (molecular docking) and kinetic study (experimental)?

I performed a molecular docking on inhibitor namely for example compound A, B and C. Results from the binding energies and Ki from docking show that the potency increased in the order of...

24 October 2021 4,746 3 View

How to choose the best conformation in molecular docking (autodock)?

Dear researchers, I am currently working on molecular docking of urease enzyme with few numbers of inhibitors by using autodock. My questions are: 1. How do we confirm all the steps performed in...

20 May 2020 2,068 2 View

Negative value of intercept in Lineweaver Bulk plot, is my method for data plotting wrong?

Dear researcher, I am currently studying the kinetic of of soil urease with and without the urease inhibitor. Trying to figure out the Km and Vmax values. However, when plotting my data for...

25 June 2019 5,119 4 View

Why esterification of free fatty acid being preferred compare to other methods?

as a pre-treatment before transesterification. Glycerolysis vs esterification, which one is the best method to use in term of energy and cost? I really appreciate if you could give your opinion...

08 March 2017 9,085 4 View

Is UV VIS able to differentiate what conditions best for carbon dots?

currently im varying parameter like temperature, time and concentration in synthesis of carbon dots... I know the best analysis from PL spectrometry, which it can differentiate intensity at...

21 November 2016 5,272 1 View

Couldnt understand how adding ethanol, sodium hydroxide or acid help in the synthesis?

Hi, currently working on carbon dots synthesis. In the case of adding ethanol, the last step is evaporating, is it a must?

06 November 2016 3,312 1 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

How can I add own Henry coefficients in Aspen Plus?

Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?

05 August 2024 2,333 2 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?

03 August 2024 7,035 3 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

30 July 2024 8,339 2 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

How to make the concentration measurements for the hydrogen absorption/desorption in the metal hydride?

Hello Everyone! I am trying to create a metal hydride system where I am trying to create a temperature control with the emphasis on measuring the concentration of the hydrogen with the hydrogen...

29 July 2024 7,577 2 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

Standard curve of H2O2?

Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...

26 July 2024 3,460 2 View