Materials Science

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Questions related to Materials Science

How to perform MTT assay with hydrogels?

Hi! I want to perform the MTT assay to assess the cytotoxicity of my hydrogels. I have read literature. It is reported that either use the extract of the hydrogels by dipping them into the DMEM...

14 August 2023 1,637 2 View

What is a mechanism for dispersion pure metal nano particle such as Si and Mg and ... in water or ethanol ?

i want zeta potential diagram - or other solution for stabilization . Thanks

10 August 2023 1,086 4 View

We can examine the weak link effect by SEM images of the samples without measurement of crystalline gains, is it possible?

required comment. They raise the problem of "weak link", but is it possible to improve inter-grain weak links by Ag nano-particles addition. In the referee's understanding, the direction of all...

06 August 2023 1,009 2 View

Which substrate is most effective for lattice matching of spinel ferrite thin films?

Which substrate can we use for spinel ferrite (CoFe2O4) thin films? I am looking for CVD method for thin film.

06 August 2023 8,572 5 View

Issues of case files that are kept by general prosecutor's office (The General Councel), can they be taken home in Honduras, Colombia, Chile, Argenti?

Issues of case files that are kept by general prosecutor's office (The General Councel), can they be taken home in Honduras, Colombia, Chile, Argentina, Mexico, Spain? general prosecutor's office...

23 July 2023 7,223 0 View

Asked question related to thermal kinetics of DSC scan?

Recently, we conducted DSC experiments on various glassy alloys within the SeTeSnIn system. I have provided the attached DSC scans for your examination. Similar DSC scans were obtained at...

21 July 2023 2,032 3 View

How to calculate radius of circular waveguide?

I am designing a circular wave guide with TE11 mode and frequency of about 1.5 GHz. does anyone know how to calculate the radius of the waveguide?

21 July 2023 2,645 1 View

How to determine fluorescent/radiative decay rate (tau) of a compund theoretically?

I have learned about the formulas to calculate fluorescent/radiative decay rate as given in the attached files. I found this article through the mentioned link. But I'm unable to find the source...

14 July 2023 9,331 3 View

Why use inverted microscope for Raman??

I am planning to build a new Raman system for 785nm laser. For this company that supplies the microscope recommand us to use the inverted microscope because many other labs use this and works...

11 July 2023 2,910 1 View

How to use Spray pyrolysis setup as Electrospinner also?

In our lab we have a spray pyrolysis setup and we have a high voltage system up to 10kV. Can i combine both to make an electrospinning setup? Please give suggestions for making a drum collector.

10 July 2023 3,933 2 View

Is it possible to repurpose frozen tissue for IHC-P?

Hi all, I have frozen tumor samples for biochemical analysis and wonder if it is possible to fix them afterwards with PFA and embed them in paraffine for TUNEL staining. Does anyone know if there...

06 July 2023 412 0 View

Is the criteria for designing primers for inverse PCR (inside-out PCR) same as conventional PCR?

I am designing primers for inverse PCR (inside out PCR). The forward and reverse primers that I designed have difference of 8 degrees in the respective melting temperatures. I also don't have much...

05 July 2023 2,413 2 View

UV Vis spectrometer parameters, which ones should I better modify?

Hello, I have recorded some DR-UV-Vis spectra, of powder samples. As the samples absorb throughout the vis and NIR regions, I have expanded the range to have the most complete spectrum. I have...

05 July 2023 332 0 View

How to do Mode analysis of two coupled silicon waveguide properly for the calculation of effective index?

Hi, I wanted to do mode analysis of two coupled silicon waveguide separated with 200 nm with the dimension of 400 nm and thickness 0.215 nm. What should be the height and width of cladding? I...

29 June 2023 7,605 3 View

Why the zeta potential of nanoparticles convert into core-shell change from negative to positive?

When I synthesis nanoparticles suspend in liquid the zeta potential negative but when add new material to synthesize hybrid nanocomposites the zeta potential equal positive value please can you...

28 June 2023 1,518 2 View

Can we establish a relationship between axial fuel burnup and core keff trend?

Can we establish a relationship between axial fuel burnup and core keff trend vs. average fuel burnup without simulating the actual axial burnup evolution of each individual fuel? To simplify...

21 June 2023 7,575 0 View

Is there any solver to perform electrodeposition in OpenFOAM?

Is there any OpenFoam opensource solver that solves navier-stokes, nernst-planck, butler volmer and mass transport equation? reference work by Kauffman et al 2020 Multi-Physics Modeling of...

21 June 2023 576 0 View

Can I have some research materials about Chinese Cultural study?

The range of Chinese Culture is extensive. I want to focus more on the research about Chinese moral and ethical values.

15 June 2023 9,145 11 View

What should be the ideal semi dry transfer conditions (volt/mili ampere/time period) for detection of proteins ranges from 240-250kDa by western blot?

I want to transfer a 245kDA protein . I am using 8% gel and PVDF membrane. What are the semi dry conditions that i should use to achieve a complete transfer

14 June 2023 2,778 5 View

High fluorescence baseline in qPCR ?

Sometimes, I have a high fluorescence baseline (see attached png file). Any suggestions?

14 June 2023 3,540 2 View

Scientific article on the subject of shortage of engineers in Germany?

scientific article on the subject of shortage of engineers in Germany?

14 June 2023 555 0 View

If a Bessel beam J1(pix)/(pix) diffracted by a circular aperture, how will be the final 'PSF'?

If a Bessel beam J1(pi*x)/(pi*x) diffracted by a circular aperture, how will be the final 'PSF'?

13 June 2023 6,835 6 View

How a polydisperse polymer can b e converted to narrow disperse polymer?

about polymer chemistry

10 June 2023 1,156 2 View

Can you help me calculate the Ca/P ratio of my hydroxyapatite EDS ?

I'm confused on what values to use from the table below, can you help me compute for the Ca/P?

07 June 2023 6,701 4 View

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