Will dextran coated iron oxide nano particles react adversely in an acidic medium?

More Satadru Chakrabarty's questions See All

Different Raman spectra of graphene like quantum dots?

The characteristic raman spectra that I've obtained for graphene like quantum dots shows a kink at about 1450 cm-1, this is different from the reported literature. What can be the posible reason...

01 February 2020 3,135 3 View

How can I index XRD peaks of a graphite like sample?

I've a nano-scaled graphite like material, the XRD pattern is showing some peaks which are not matching with any of the reported literature. For example usually a broad peak is seen around 21...

01 February 2020 6,479 2 View

What can be the perfect GC-MS operating conditions for acetonitrile?

I have to analyse the change in composition of acetonitrile after being reacted mechanically at different time intervals, hence I'm planning to undertake a GC-MS of the samples. Can anyone suggest...

05 June 2019 9,342 8 View

What is a Solid State Metathetic Reaction?

What kind of synthesis is this SSM route useful for?

03 April 2018 10,226 2 View

Can retention time for a particular compound change when detected at various wavelengths?

I'm using a PDA detector HPLC unit, I was wondering whether it is possible that the retention time can change for a particular compound when the detector is set at a different wavelength, all...

11 December 2017 5,613 6 View

What can be the plausible reason for increase in the area of a peak in HPLC spectrum, even when the reaction is to degrade the compound?

I'm withdrawing samples after a 15 minute interval for 90 minutes. Hence, the 90th minute sample is to show the highest amount of degradation or the least peak area, but it shows the highest, this...

10 November 2017 6,053 7 View

What is the JCPDS card number for potassium ferrioxalate trihydrate crystals?

How to identify crystalline phase data from the XRD data of the said crystals

08 September 2017 591 2 View

Why is the lambda max of dibenzothiophene chosen as 275-284nm and not 230-240nm?

In most research papers the wavelength chosen for DBT detection is 284nm, but according to the NIST data the maximum absorbance occurs around 230-240nm. Can anyone explain why it is...

07 August 2017 4,252 4 View

What could be the HPLC conditions for thianaphthene/benzothiophene?

How do I choose the best conditions for this sort of HPLC?

07 August 2017 8,424 4 View

Which is the better analytical software Modde Pro or Design expert? Why?

statistical analysis, software, data analysis designing experiments

07 August 2017 5,929 4 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 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 do I conformally do PR spin coating on trench structure?

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08 August 2024 2,298 0 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

Why do i have a weak plasma and no coating during rf sputtering?

I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.

07 August 2024 4,526 4 View

What is the best conditions for formation Magnetite ore deposits?

I want to know more about Magnetite deposits.

06 August 2024 1,066 0 View

Nano Orange protein quant on the Quantus fluorometer?

Is anyone here using the Thermo Fisher Nano Orange kit for protein quantification, and detecting the fluorescent signal on the Promega Quantus? We are struggling to make sense of the standard...

05 August 2024 8,946 3 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

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

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01 August 2024 8,368 2 View

Omar Gonzalez-Ortega

It will depend on the temperature of the dispersion

Satadru Chakrabarty

So if the temperature is high then the coated particles might get dissolved? Is it so?

Yes you could start hydrolyzing your polymer with acid as catalyst

Carlos Araújo Queiroz

You may want to check section 4.4.1., entitled 'Partial acid hydrolysis', of the signalled technical-commercial document available from 'Amersham Biosciences' (reference code: 18-1166-12):

http://tdbcons.com/images/pdf/18116612_AA_p13.pdf