How to avoid fouling of gold nanoparticles on ptfe tube surface?

More Vaibhav Rana's questions See All

At what temperature should I calcine my copecipitated sample to obtain Au/Al2O3 such that Al2O3 is in GAMMA form?

I am preparing Au/Al2O3 catalyst through coprecipitation. I calcined the dried precipitate at 400 degree C for 4 hours, but the XRD of the calcined sample did not showed presence of gamma Alumina....

02 March 2019 7,848 6 View

How can I prepare Au/Al2O3 catalyst through coprecipitation method?

I need to prepare Au/Al2O3 catalyst through coprecipitation method. What synthesis process should I follow to get the most effective catalyst?

01 February 2019 6,191 4 View

How can I synthesis gold nanoparticles of variable sizes but less than 10nm through a tunable method?

I need to do a study of effect of gold nanoparticles size on its catalytic properties. I am preparing gold supported on alumina catalyst by colloidal deposition method and need to know a size...

31 December 2018 2,545 3 View

How to develope an oscillatory flow using a peristeltic pump?

I want to study the effect of oscillatory flow on the synthesis of gold nanoparticles in a tubular reactor. Is there any way to create such flow using a peristaltic pump?

06 July 2018 7,813 1 View

How to do Turkevich method synthesis when HAuCl4 and Na3citrate are mixed before heating i.e at room temperature?

We're designing a flow reactor for Turkevich method of gold nanopaticles (AuNP) synthesis. It's important for us to mix the reactants at normal temperature at then heat the mixture. We did a batch...

01 February 2018 6,373 0 View

How to synthesis gold nanoparticles through Turkevich method when HAuCl4 and Na3citrate are mixed before heating?

We are using a mixture of HAuCl4 and Na3citrate (mixed at room temperature) to carry out Turkevich method for AuNp synthesis but we are not getting result. What can we do?

01 February 2018 7,730 3 View

Maintaing constant pH during the gold nanoparticles synthesis.

What buffer should I use to maintain a constant 9 and 3 pH during the gold nanoparticles synthesis? I am using Ascorbic Acid and PVP as reducing and caping agent respectively.

01 January 1970 9,269 11 View

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

Can i quantify a nanoparticle encapsulated in cell culture medium by hplc?

Hello, if you made a transwell assay where you incubate the cells with a nanoparticle-encapsulated drug and considering that in the oposite compartment you'll have both the free and encapsulte...

03 August 2024 2,730 1 View

Is it possible to improve the reforming section of the Haber-Bosch process without using air separation units?

A typical reforming section in a large-scale Haber-Bosch process (Figure 1) comprises two reactors. A mixture of methane (CH4) and steam (H2O) is fed into a primary reformer to produce syngas via...

01 August 2024 7,051 5 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

How gold procurement?

Please note it

29 July 2024 4,920 3 View

How gold procurement?

https://www.cleanteqwater.com/resources/case-studies/gold-mine-australia/

29 July 2024 5,161 1 View

Addition of EDTA during the synthesis of copper nanoparticles to prevent it from being oxidized?

I've attempted to use this method to synthesize copper nanoparticles. Copper nanoparticles can be synthesised using a variety of precursor materials. CuSO4, distilled water, NaOH, and EDTA are...

28 July 2024 8,027 3 View

Optimal siRNA Volume for Complexation with Liposomes in a 2.5 mL Solution with 10 mg/mL Lipid Concentration?

How much volume of siRNA can I add to 2.5 mL of liposomes with a total lipid concentration of 10 mg/mL?

27 July 2024 6,920 1 View

Vladimir A. Basiuk

Teflon is one of the materials with the weakest adhesion. You can hardly do more.

Omar Gonzalez-Ortega

I would not use plastic containers for synthesis

Imad Disher

Fouling of the walls is a result of the unavoidable hetrogenous nucleation.

If you want to keep the walls clean you may try cover them removable coating. The selection of the coating material depends on preparation method.

Nabaa Sattar