What is the importance of calcination step before annealing ?

In synthesizing manganite nano particles or any other nanoparticles, is it necessary to perform calcination step. because annealing will also be carried out afterwords at higher temperature than...

11 December 2017 3,332 10 View

Nano particles filtration using filterpaper ?

i have synthesized nickel zinc ferrite nanoparticles, particles size is around 20 nm, calculated using TEM. and is coated with polymer. suspension remain in good condition for like a month....

03 April 2017 8,896 10 View

Triethylene glycol coated nanoparticles filtering ?

I have synthesized triethylene glycol coated cobalt ferrite nanoparticles. particle size is about 15 nm. when i tried to filter it, it wont work. I mean all the particles remain on 200nm filter...

03 April 2017 1,112 2 View

What is the heat capacity of nickel zinc ferrite nanoparticles?

what is the heat capacity of nickel zinc ferrite nanoparticles,thanks

11 December 2016 814 2 View

Why is XRD baseline different for different samples?

Why is XRD baseline different for different samples? i have done XRD for NiZnFe2O4 and for CoZnFe2O4 nanoparticles, for first one the baseline starts from 1500 and for second one from 1200. please...

11 December 2016 289 10 View

I want to estimate Curie temperature from hysteresis curve. what are the methods?

i want to estimate curie temperature from hysteresis curve. how do i do that, please help

11 December 2016 3,634 0 View

If a sample has curie temperature for example 50 Degree Celsius?

11 December 2016 7,485 0 View

Difference between ATR and FTIR

so , i was characterizing the coating of nano particles. since i have easy access to ATR i thought lets get the data using ATR(solid sample), however when i compared it with FTIR(in liquid) the...

10 November 2016 9,262 2 View

Why the base intensity of some samples start at different level on XRD graph. i mean for some sample base line start at 1500 and some 50 , why ?

why the base intensity of some samples start at different level on XRD graph. i mean for some sample base line start at 50 and for some base line starts at 1500 intensity level. Also for some...

04 May 2016 3,898 6 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View