How to differenciate Bronsted acid sites in "nests" from isolated ones?

More Eliezer Ladeia Gomes's questions See All

Western blot with very acidic proteins, any suggestions?

I am trying to do a Western Blot to detect acidic proteins (~30kDa) that have a PI of ~3.5, due to the presence of Asp and Glu repeats. The proteins are about 80% pure. After I ran them on...

24 January 2021 7,226 3 View

Problems with allele speration by cloning in pKS plasmid?

I am trying to do the allelic separation of a ~8 kb region using cloning strategy with pKS plasmid. However, when I analyze the result of the colony PCR sequencing It seems that both alleles were...

14 December 2020 5,829 2 View

At what concentration does hydrogen peroxide inhibit enzyme activity?

I am trying to measure GUS expression, and was wondering if anyone knew what concentration hydrogen peroxide inhibits the GUS protein??? Thanks ! Any help is appreciated!

23 November 2020 4,101 3 View

Does anyone know a Python script bank to analyze data from thermal images / thermographs?

script, phyton and thermography

13 September 2020 3,951 3 View

Management Innovation and Bahavior economic?

Hello guys! I'm looking for studies that address behavioral economics in Management innovation. Especially regarding the decision-making process.

13 September 2020 8,687 3 View

How to quantify and stratify the volume and specific surface area of submicro-, micro-, meso- and macropores in a porous solid?

Is it possible to quantify and stratify the kinds of pores (volume and specific surface area)? Only N2 physisorption is enough? Is there another technique to help this? Physically are there other...

04 August 2020 9,175 3 View

Is possible connect infrared camera - Flir One Pro 3td generation in windows or linux, to capture images and videos?

I found in internet some drivers and softwares (flironecontrol and others), If anyone knows about more softwares, please share.

29 June 2020 6,641 2 View

What else reduces NBT (nitroblue tetrazolium) to formazan?

I need to produce formazan to make a standard curve, (as in this paper:Quantitative Determination of Superoxide in Plant Leaves Usi... ) The reaction requires riboflavin and methionine,...

05 March 2020 6,403 3 View

Dear colleagues, please lmn what volume do you use for intranasal instillation in rats?

I am in doubt as to the best volume for intranasal instillation in rats, what volume ensures the best distribution of the particles?

20 February 2019 2,920 1 View

I need to obtain an equation for calculation of pure urea in liquid phase. Has someone a refrence? Or a thermodynamic equation for this?

I'm developing a work that needs the density of pure liquid urea. It's liquid when the temperature is higher than 134 oC, but I didn't find references for this property.

29 November 2018 4,706 2 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

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 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

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 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

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View