Drude-lorentz model in COMSOL

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Hy, Kindly share proper protocol for chitosan biosensor synthesis?

Hy, I want to know proper protocol for biosensor preperation as well as methodology for chitosan biosensor preperation.

29 November 2023 8,668 1 View

Why after weighted cases and performed compare mean with other groups in spss, the number of sampling is increased?

Hi! I weighted 1 case and then performed Compare Mean with other groups of variables in spss, but the N (number of cases) is increased, which is greater than the unweighted compare mean's N and...

17 August 2023 9,934 2 View

How to conduct Minimum inhibitory concentration of probiotic against oral pathogen?

I have run MIC using 96-wells microdilution for the probiotic, however I am not sure how to calculate the turbidity of the probiotic. What is the correct protocol to calculate the MIC. Thank you.

25 July 2023 8,994 4 View

Database on microplastic ingestion of marine invertebrates in Southeast Asia ?

Hello, is there any database or website that has information about microplastic ingestion of marine invertebrates in Southeast Asia? It can be any species or data, as long as it's marine...

13 April 2021 835 4 View

What does the resolution of quadrupole mass analyzer depend on?

Hi, I was curious to know what factors affect the resolution of a quadrupole mass analyzer. I find a lot of electrical settings that may affect the mass of the ions that are being transmitted. Is...

17 January 2021 6,094 1 View

I want to remove the Methacrylic anhydride from my product. I washed and dried two times but still unsuccessful how to remove?

Actually i am synthesizing urethane dimethacrylate by no-isocynate route but unfortunately after washing ,driying and evaportaion not able to remove Methacrylic anhydirde. In FTIR i mention the...

03 September 2020 1,066 2 View

Can mass spectrometry tell something is radical ion?

is it possible that mass spectrometry can tell radical ions or is it not not possible? (Because loss of an electron will result in only 0.0005 Da, there is no instrument with such high...

12 August 2020 7,169 1 View

What is a relationship between ion transmission and grid in Time-of-Flight Mass Analyzer?

Hi all, My understanding about the grid used in ToF is it is useful to reduce the broadening due to the varied kinetic energy of the ion. But also it may reduce transmission (90% or less). Is...

07 August 2020 9,599 0 View

Is it right to use chloroform as an solvent with dissolve monomer UV-Vis spectroscopy?

I am analyzing absorbance of my monomer first I stuck in which kind of solvent I should use for the monomer and how much percentage of solute and solvent I should use for both of them (i.e 0.1 ml...

20 July 2020 5,229 3 View

Why do we lose transmission when increasing the drift length of TOF?

Resolving power of TOF increases with longer drift time (mass/delt(mass) = (t/delt(t) using the kinetic energy ((1/2)*mv^2) and potential energy(z*e*V) ). t is the centroid of drift time. delt(t)...

27 September 2018 9,612 6 View

Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

Which Scopus Journal provides the most affordable fees?

"PUBLISHING IN A SCOPUS JOURNAL" Researchers are now at a cross road. The critical need to publish in a Scopus or ISI, etc journal is ever vital. Journal Publication fees must be submitted....

10 August 2024 8,621 1 View

Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 View

Who will be moral responsible for the death of thousands of people in the event of an earthquake?

Who will bear moral responsibility for the deaths of thousands of people in the event of an earthquake? Weeks and months remain before the onset of strong earthquakes that bring death to...

08 August 2024 6,134 12 View

How do I replace a file with a more recent version of a paper that was uploaded to ResearchGate?

The paper in question is "Interpolation of Nitrogen Fertilizer Use in Canada from Fertilizer Use Surveys". This paper was very recently published by Agronomy (MDPI). Agronomy has, in the last day...

07 August 2024 9,934 3 View

Are there any instruments for studying time similar to the way it is in space?

There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...

06 August 2024 7,102 0 View

Research Methodology - Impact of Corporate Reputation on Stakeholders Behaviors?

Please can anyone support with the survey questions based on RQ measures and propose how to do it in FMCG industry and include as well the role of brand equity Thanks

06 August 2024 949 0 View

Anyone having idea about VN primer for miRNA primer design ?

How to design VN primer to attach with universal reverse primer

05 August 2024 2,116 3 View

Nano Orange protein quant on the Quantus fluorometer?

Is anyone here using the Thermo Fisher Nano Orange kit for protein quantification, and detecting the fluorescent signal on the Promega Quantus? We are struggling to make sense of the standard...

05 August 2024 8,946 3 View

In the case of a wound l recurrence after radical breast cancer and sentinel lymph node biopsy. Are the sentinel lymph node procedure recommended?

In the case of a wound l recurrence after radical breast cancer and sentinel lymph node biopsy. Are the sentinel lymph node procedure recommended? If no axillary lymph node dissection was not...

05 August 2024 8,056 1 View