How can I connect HC-05 to epoc x ( EEG ) sensor ?

Greetings , my name is Abdul and I have this research on how to move a module car by brain wave . The EEG sensor I have is emotive epoc x , I did the data analysis and am ready to move the car but...

11 January 2021 7,204 1 View

Why trans protons and antiperiplanar protons have higher coupling constants in HNMR?

Why in HNMR the coupling constant of trans protons (typically ~17Hz) is higher than the cis protons (typically ~10Hz)? Also, why the antiperiplanar protons in a cyclohexane derivative have higher...

11 June 2020 4,731 4 View

Can I proceed Heck coupling on a compound in the salt form?

Can I do heck coupling reaction on a compound in salt form without turning it into a free base? As for example doing Heck coupling on p-chloropyridiniumchlroide. I don't want to turn my compound...

19 April 2020 5,593 12 View

Is 0.5 ml of DMSO enough to react my (200mg) Ar-Cl with 1.2 equivalent of primary amine using Ullman reaction?

I'm trying to react Ar-CL compound (200mg) with a primary amine (1.2 equivalent), and I've found in the literature that they're using a very low amount of solvents (like 0.5ml) to proceed the...

17 March 2020 1,016 5 View

Can I proceed N-Boc protection for an organic compound which is in the di-phosphate salt form?

My di-phosphate salt compound contains two 3ry amino groups involved in salt formation and a one 2ry amine group that's not involved in salt formation. I wanna proceed N-Boc protection for this...

15 March 2020 945 3 View

My supervisor told me my question and hypothesis are broad and too obvious, what should I do I already finished writing?

So I am writing about hate speech and chose two case studies from Denmark and France. And what I found is that hate speech is heavily influenced by nationalism but my supervisor told it is broad...

03 March 2020 658 3 View

How can I evaporate Methanol from extract by water bath as an alternative of rotavap ?

I have 10 ml methanol extract and unfortunately, my lab is lack a rotavap how can I evaporate this solvent by water bath

16 January 2020 4,897 2 View

HPLC actinomyceyes active compound ?

I have actinomycetes extraction and I need to detected by HPLC, so I need the protocol of hplc RP-8 chromatographic column

29 December 2019 7,578 3 View

Probelm with expressing hetrologous proteins using Pichia pastoris?

07 December 2019 7,502 6 View

How to choose the stimulus for T-cell activation assays?

When doing T-cells activation assay, for example looking for CD25 ,CD69 expression or ELISA for cytokine release, is there a difference between the coated antibody or coated protein stimulation...

08 November 2019 674 3 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 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 bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View