How to function pure graphene?

More Brain Wang's questions See All

About kmno4 + ethylene glycol + acetone synthesis mn3o4 ?

I am currently working on the synthesis of mn3o4 / pure graphene. Before I used the solvent was DI water + SDS + kmno4 + ethylene glycol, xrd analysis was done after the synthesis, obviously mn3o4...

31 December 2017 5,187 1 View

Why supercapacitors commonly used pvdf in aqueous solution for testing?

I use the active material, conductive agent, PVDF 8-1-1 coated electrode plate, the electrode is SS316L. When I test the charge and discharge 1A / g get the data only 1 ~ 5F / g, but the CV 10mv...

11 December 2017 2,349 1 View

How to judge graphene Raman?

The use of dilute acid to functionalize graphene to Raman to determine whether there is damage to the structure.How to know Raman graphene structure is destroyed?

10 November 2017 1,052 2 View

About supercapacitor film carbon material?

The film on supercapacitors is made using carbon material(graphene), conductive carbon or carbon black, PVDF. Can carbon nanotubes replace conductive carbon (carbon black)?

09 October 2017 9,605 3 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

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 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

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

Can I use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography?

Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...

22 February 2021 730 2 View

Can you perform the Murexide test on samples fixed in Formalin?

I have a fixed sample and would like to use the murexide reaction to test for uric acid composition. I no longer have fresh samples

22 February 2021 1,328 1 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

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

Protocol for membrane extraction E. coli?

Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...

21 February 2021 7,447 2 View

Hassan Alshamsi Popular answer

If you use concentrated HNO3 acid , graphene sheets may be damaged a high temperature such as above 80 0C.You can use Raman shift to check the defects in graphene sheets.The most safe factors are use of diluted acid and refluxing at moderate temperature .

Hassan Alshamsi

Brain Wang

Hassan Alshamsi Thank you for your comments.