How can I estimate roughly the core size of QDs based on their absorption and emission spectra?

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How to determine decision limit (CCα) according to CIR 2021/808?

CIR 2021/808 written as "the CCα shall be calculated as follows: Method 1: by the calibration curve procedure according to ISO 11843-1:1997 ( 14) (here referred to as critical value of the net...

13 May 2024 9,481 0 View

How can I control the i-v characteristic in Chua's circuit?

For example, one side can go up and the other side go down

19 March 2024 8,148 0 View

How to keep cells alive for long periods (4-5 days and more) without splitting them?

Background: I recently seeded HEK cells on a poly-L-lysine coated plate and used those for transfection. My vectors are backsplicing vectors with the ZKSCAN introns which generates circular RNAs...

06 March 2024 4,421 1 View

I could not detect a specific miRNA in the recipient cell after incorporation with donor extracellular vesicles?

Recently I conducted the small RNA sequencing of extracellular vesicles (EV) from a donor cell line and found several highly expressed miRNAs. Therefore, I tried to check the expression of them in...

20 December 2023 2,944 0 View

Find sources of documents related to the topic of Managing digital transformation activities in teaching in primary schools?

- Foreign studies - Digital transformation in primary school teaching around the world - The context of digital transformation in primary school teaching around the world - How to manage digital...

06 October 2023 2,433 2 View

Why does impedance value start at negative value in high frequency and show spiral behavior in low frequency rather than warburg line?

Please refer to the photo attached. I am currently trying to determine my ion-exchange membrane (IEM)'s ionic conductivity with Potentiostatic electrochemical impedance spectroscopy (PEIS) with a...

29 August 2023 5,952 17 View

Best temperature and maximum time to dry DNA samples after ethanol 70% precipitation?

After precipitating the DNA with 70% ethanol, I dried the sample in a drying cell at 37 degrees for 24 h. However, when I check the sample it's still around 200 ul. Can I continue drying at the...

25 August 2023 4,484 0 View

Clony pcr and plasmid pcr?

I transformed the plasmid that inserted the gene into E. coli Bl21, then clony pcr appear two bands and plasmid don't have band?

08 August 2023 925 2 View

False positives when Pcr?

I did a transformation of the BL 21 cells with my plasmid DNA. Then I ran the dna plasmid pcr to check the inserted dna and both samples showed bright, clear bands. However, when PCR with a larger...

03 August 2023 6,475 2 View

Likert scale analyses?

Hi everyone. I am working on my quantitative chapter of my thesis and I would like to ask you about handling close ended questions using 6-point Likert scale questionnaire to measure fear. The...

09 April 2023 8,585 3 View

What procedure should I follow for current controlled PPy film electrochemical deposition on ITO?

For example, I perform passivation process before electropolymerization of Py for adhesion to titanium surface. Is a similar or different procedure required for ITO? If necessary, I would be glad...

06 August 2024 3,176 0 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 results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 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

¿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

Why do some of my Raman spectra show no signal at lower Raman shifts?

I'm using a InVia Renishaw Raman microscope system (785nm wavelength, 600l/mm grating density) to acquire Raman images on human brain samples, at 50um resolution. The samples are placed on MgF2...

30 July 2024 8,771 3 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

I have synthesized a composite of ZnO and In2O3 with variations in ZnO content. In Raman , what is the peak observed at 130 cm-1?

Dear all, I have noticed, as the ZnO content increases, the Raman intensity at 100cm-1 also increases. However, there is a peak nearby at 130 cm-1, which I could not find in any paper related to...

28 July 2024 5,410 1 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

Hamit Can

http://volkan.bilkent.edu.tr/publications/Nanophotonics1_2016_HVD.pdf

http://www.light.utoronto.ca/edit/files/c5ee03887a.pdf

http://adsabs.harvard.edu/abs/2016JPhEn...6d2001A

Anis Rahman

Not sure if this will help but here is a technique you may want to look at: Working Paper Simplest method of measuring nanoparticles' size and size di...