Who knows detailed description of preparation of nanotubes-based immunochemical biosensor?

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How Can I Resolve a Persistent Unwanted NMR Peak at 1.25 ppm?

Hello everyone, I am facing a consistent issue in my NMR spectra with an unwanted peak appearing at 1.25 ppm. This peak seems to vary with the amount of sample: it becomes more pronounced with...

15 July 2024 9,065 4 View

Can anyopne help me with Ac magnetic propoerty measurement (Fe Core Loss) using BH analyser ?

I am working on magnetic materials. I need to measure the iron core losss for my samples. can anyone help me with Ac magnetic propoerty measurement (Fe Core Loss) using BH analyser if possible? i...

26 June 2024 7,176 0 View

Precipitation of bisphenol based polymer ?

can any suggest a suitable solvent or mixture of solvent for the precipitation of Bisphenol -A based polymer.I tried many solvent and combination of solvent but I couldn't precipitate it

07 May 2024 2,766 6 View

Precipitation of polymer from DMSO?

can any one suggest a solvent for the precipitation of polymer (polycondensation of Bisphenol A and dimethylamino benzaldehyde) from DMSO? I tried water,cold water,alcohol,diethyl ether,ethyl...

25 March 2024 5,605 0 View

How to quantify active or folded protein left after exposure to DMSO?

I am working on an enzyme and checking its stability in different solvents. One of the solvents is DMSO. I am interested in checking how much active or correctly folded protein is still in the...

24 March 2024 1,843 6 View

Precipitation of copolymerised vinyl pyridine and vinyl imidazole in DMSO?

Can any one suggest a solvent for the precipitation of polymer (copolymerised vinyl pyridine and vinyl imidazole) from DMSO.

17 March 2024 780 5 View

What descriptive statistics are relevant for my project?

I am doing a project - comaprison of ethnic minority and majority mental health in terms of their past experiences of racism, discrimination and bullying. Im unsure what descriptives I need and...

04 March 2024 3,320 1 View

Https://doi.org/10.1016/j.ijhydene.2023.09.082 kindly provide this research paper?

Alkali-resistant poly (vinyl benzyl chloride) based anion ex... (Alkali-resistant poly (vinyl benzyl chloride) based anion ex...

27 February 2024 533 0 View

Precipitation of polymer?

can anyone suggest a suitable solvent for precipitating the polymer which is prepared by quartenising a basic polymeric(copolymerised vinyl pyridine and vinyl carbazole) backbone with benzyl chloride

27 February 2024 7,128 4 View

Polymeric membrane casting issue?

I have tried several time for casting a membrane polymer in NMP solvent over hot air oven and hot plate for making membrane thin film but every time I failed to make it,it form a sticky gel like...

25 February 2024 1,476 4 View

What is the solvent for 8YSZ nano material?

I need to do some experiment with it in liquid form.

07 August 2024 613 3 View

Hi, please what is the best tool on Aspen plus that can help me get the best inlet temperature and pressure for cryogenic distillation?

I am trying to recover liquid CO2 from a mixture of 0.6 CO2, 0.3 N2, and 0.1 O2. My aim is to recover about 99% liquid CO2 at the bottom of the column and make sure the amount of gaseous CO2...

06 August 2024 4,611 0 View

How much Yeast should we add to fermentation media?

I have prepared a liquid broth containing Yeast (S. Cerevisiae) that i need to add from it to fermentation media of lignocellulosic hydrolysate. I need to know based on what parameters do we add...

06 August 2024 662 1 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

What is the best protocol for freezing the rat brain in preparation for protein detection by Elisa ?

What is the best way to freeze the rat brain - liquid nitrogen, Dry ice , isopentane - after isolation for later protein investigation by Elisa?

01 August 2024 1,722 1 View

How can we conduct DFT for solutions or mixtures ?

Can we conduct DFT studies for Ionic Liquids with Amines at various concentrations? If so, how can we proceed with these studies? Additionally, what parameters, besides IR, NMR, and HOMO-LUMO, can...

18 July 2024 319 1 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View

Has anyone tried freeze flow samples in -80C freezer or liquid nitrogen before processing?

Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...

15 July 2024 9,975 1 View

How to avoid background signal in screen printed electrode?

Hi, I am doing aptamer based electrochemical biosensor. First, I cleaned screen printed gold electrode using 0.5M H2SO4. Then, immobilized aptamer followed by blocking using 2mM MCH. I use...

06 July 2024 9,852 1 View

Can a liquid metal-ligand sample be directly analyze in flame atomic absorption spectrosocopy?

Can I directly analyze a liquid metal-ligand sample without acid digestion in flame atomic absorption spectroscopy?

25 June 2024 1,866 2 View