Rietveld refinement of cement paste?

I am a beginner in rietveld refinement, my samples contain numerous overlapped peaks and amorphous phases. I have few doubts related to rietveld refinement of cement paste: 1. My quantifications...

11 January 2021 8,873 6 View

Calculate the Strain at a Node in the Turbine Blade FE Model?

Hello Team, I would like to calculate the strain at a node #5 in a direction (l1,m1,n1) in the turbine blade FE model as shown. This node is connected with four elelemnts (#1,#2,#3,#4) and I have...

11 January 2021 7,702 3 View

Cyclic Symmetric Modal Analysis using Finite Element in MATLAB/FORTRAN/PYTHON?

Hello All, I am interested to write finite element code to solve the Cyclic Symmetric Modal Analysis of a disk. I want to understand the Cyclic Symmetric Modal Analysis in details and want to...

08 December 2019 8,866 1 View

How can we reduce the effect of environmental noise floor on the RF signal?

I am transmitting my RF signal through atmosphere at a range of 10 kms. But it seems range is limited by environmental noise floor. Is there any way through signal processing that can mitigate the...

14 February 2019 5,285 3 View

Characterization of coating on basalt fiber surface?

hi what could be the best way to characterize basalt fiber surface. I have coated Basalt fiber and from FTIR i did not get much information? Is there any other technique with more sensitivity for...

17 December 2018 5,621 4 View

Which optical element can withstand more optical power - a mirror or a lens?

Suppose a highly intense laser beam of 10 kW is incident on a mirror and a lens. Which of the two can withstand the power without getting damaged.

17 November 2018 6,505 17 View

How to prepare mortar samples for Scanning electron microscopy ?

What is the procedure for preparing mortar samples for SEM in order to study the micro structure of fractured surface?

12 September 2018 6,462 4 View

Is it possible to generate and detect a signal with milliHertz or microHertz frequency?

An optical gyro rotating at very less velocity may generate an output signal in milliHertz range. Is it possible to detect such signals?

08 September 2018 8,761 3 View

Why researchers use Ti coated with RuO2 or IrO2 or PbO2 as anode during electrochemical degradation? What is the advantage of oxide coating?

I want to know about the advantage of oxide coating in the process. Is it possible to use Ti without coating.

05 September 2018 5,422 6 View

How is the lasing wavelength of a laser determined?

The emission wavelength of active part of laser cavity depends upon the bandgap of material, while the allowed oscillation frequencies of passive part depends upon cavity length. How these 2...

02 September 2018 726 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

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02 March 2021 3,060 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View