How to simply increase the inert atmosphere pressure in tube furnace?

I have been setting up the tube furnace to work with inert atmosphere, i.e. H2 and N2 in order to anneal the iron-based metallic powders. The furnace is equipped with vacuum pump as well. The...

18 December 2020 4,006 2 View

How can I add any kind of noise to image for a given SNR?

Dears, what is the best way to add any kind of noise (not only Gaussian noise) to 2D signal (image) for a given SNR? Do you know a good code in Matlab?

30 September 2020 8,788 2 View

What type of noise in MRI image?

Dears, could you recommend the papers in which the types of noise in MRI images were analyzed?

05 September 2020 2,810 4 View

Is there any post-hoc easily applicable explainable AI tool for detections carried out by complex CNN-base architectures e.g. Mask R-CNN?

Hi, I'm aware of numerous Explainable AI (XAI) solutions for CNNs, however they ~all seem to be tailored for classification (or segmentation). I also see that for a small home-made model (lets...

31 March 2020 5,082 5 View

Coronavirus and politics: what does the epidemic tell us about democracy and other regimes?

Most of us experience far-reaching restrictions on private and public life, introduced by governments all over the world because of the coronavirus epidemic. Generally, these restrictions make a...

22 March 2020 6,992 95 View

Are manufacturers obliged to identify all possible food contact surfaces for Listeria monocytogenes or an indicator organism testing?

Hi, Under 9 CFR 430, establishments in Alternative 2b and 3 are required to sample food contact surfaces for Listeria monocytogenes or an indicator organism....

10 March 2020 6,762 4 View

Is it advisable to perform radiometric normalization on multi-temporal Sentinel-2 Level-2A images?

Should I perform such processing step before any analysis i.e. by using pseudo-invariant features (PIFs)?

30 January 2020 6,549 2 View

Consistent with the experimental value, the theoretically calculated proton radius from the theory that mass is of EM origin, what do you think?

Assuming that particle consists of a photon that moves circularly in the loop, creating standing wave obeying the rule that its closed path 2*Pi*R=n*Lambda (1) (resonator where resonator length...

15 October 2019 8,759 12 View

Can friendship be defined by any scientific criteria?

What criteria can be applied to define friendship? Is friendship an object of scholars'/philosophers' thinking? And what does it mean that someone is someone's friend? What are the qualities of...

02 August 2019 6,716 24 View

Can one believe in the existence of God without following any religion?

Is it necessary to accept the idea of God established by a given religion to believe in the existence of God? Does belief in the existence of God inevitably involve the adoption of an ethical...

31 July 2019 4,599 97 View

No title

02 March 2021 3,060 3 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

What do you know about biotechnology art?

What do you know about biotechnology art?

02 March 2021 1,653 3 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 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

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View