Does anyone have any unreported cases of the Barakat (HDR) syndrome?

Barakat (HDR) syndrome is characterized by the triad of Hypoparathyroidism, sensorineural Deafness and Renal disease. In 2018 I published a paper entitled "Barakat AJ, Raygada M, Rennert OM....

29 December 2020 8,647 2 View

Can I download books that have been publishes in 1990, 2009and 2016?

I wanted to know if there are still protected by publisher

26 November 2020 3,486 2 View

Which kit i can use to isolate plasmid DNA from the bacteria ?

i ask about the method that can work efficiently to isolate plasmid DNA

06 November 2019 8,741 4 View

Protocol for subcloning using only one restriction enzyme?

the parent vector and the destination one only share one restriction enzyme .

15 September 2019 812 5 View

Hello, I want to ask. Why is the thermodynamic calculations for some compounds not calculated by gaussian 09?

Hello I want to ask, What distinguishes the spectrum of nanoparticles ?

20 November 2018 8,960 3 View

Discuss the role played by politics in ensuring participation and sustainability of development interventions?

17 October 2018 9,700 3 View

Stability of epoxy fatty acids under acidic conditions?

A question for chemists: Does acidity affect the stability of epoxy fatty acids during liquid-liquid extraction? In other words, if formic acid was added to Ethyl Acetate before the liquid-liquid...

15 September 2018 5,559 1 View

Which solvent can be used to crystallize a sulphur compound and which also contains nitrogen and oxygen?

It was eluted with 50% of Acetonitrile and 50% of water

14 September 2017 8,819 3 View

How can I induce a model of breast cancer metastasis on balb-c mice or wistar rat ??

26 April 2017 6,330 5 View

Any suggestion on a positive control for CYP2D6?

Hello dear researchers, I already asked a similar question. I am looking for a cell line that can be used as a positive control for Western blot and for activty/inhibition assay for CYP2D6....

26 April 2016 2,061 1 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

What's the concentration recommend for recombinant protein use in western blotting?

I'm currently working having problem with the concentration for recombinant protein use in western blot, the one been used is Recombinant Human CD19 Fc Chimera Protein-rndsystem which does not...

24 February 2021 8,514 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

No title

22 February 2021 9,932 11 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View