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01 January 1970 720 4 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

What low-cut filter (high Pass frequency) to be used for response spectrum (Tripartite plots) ?

What low-cut filter (high Pass frequency) to be used for the response spectrum (Tripartite plots)? I am currently working on differentiating between hard/soft site responses in Indo-Gangetic...

21 February 2021 9,273 2 View

Can any one explain why the ethyl ester Biodiesel (FAEE) has higher than that of the metyl ester FAME- both of them are derived from the same oil?

Biodiesels derived from waste vegetable oil transesterification with Ethanol (FAEE) show higher peroxide values than those derived by transesterification with methanol (FAME) prepared under the...

13 February 2021 193 6 View

FLIM Signal to noise ratio of a time series - can I use dark frames to measure noise?

I am doing an analysis on some FLIM data in the form of time series image stacks. I need their signal-to-noise ratio. Recording starts several picoseconds before the excitation pulse, so no sample...

08 February 2021 7,169 3 View

How to eliminate noise when using a sensor with instrumentation amplifier and giving it's output to Arduino?

When I am trying to implement a pressure sensor through instrumentation amplifier and then giving it's output to Arduino, I am getting garbage value due to noise, so how to eliminate it.

05 February 2021 8,598 11 View

Can tannins that are dissolved in water interact with silicone oil?

Hello everyone, Does anybody know if phenolic plant extracts such as tannins dissolved in water can interact with silicone oil? (although silicone oil and water are immiscible).

03 February 2021 5,656 2 View

Where to buy optically clear, low viscosity, refractive index 1.5-1.4 Silicone Oil ?

For research purposes, it is required to have optically clear, low viscosity silicone oil with a refractive index of 1.5-1.4. It is going to be used in optoelectronic research. Online purchase is...

01 February 2021 9,160 3 View

How can I quantify background noise in a bioacoustic file?

I am using Audacity to analyse the presence of birds and frogs recorded with a SM4 recorder (Wildlife Acoustic). Background noise (rainfall, wind) is an important variable to consider that can...

28 January 2021 2,989 3 View

How can I check the chemical composition of an essential oil using HPLC analysis?

Injected an oil having a concentration of 832mg/ml and found a flat top peak and was not able to quantify. How to resolve this problem?

20 January 2021 8,461 3 View

Ideal samples packaging for edible oils?

Hello everyone, I have maybe a stupid question regarding the right packaging to use when comes to send some oil samples in external labs. Do you have any advice about that? Is there a risk that...

18 January 2021 7,826 4 View