How can we coat effectively magnetic nano particles by capping agent?

I am working on magnetic nano particles, I want to make its colloidal solution, it is usually observed that even after centrifugation , it some of part remain undissolved, i tried different...

08 September 2019 8,533 1 View

Whta are the advantages of nanorods over nanoparticles?

Nanorods have high surface area, as compared to nano particles, what their best characteristics, not present in nano particles.

02 March 2019 9,113 6 View

Use of internal standard method?

Standard addition method, is used when we want to nullify the effect of matrix, under what circumstances, Internal standard Method is used.

01 February 2019 7,956 2 View

Surface coverage of nanoparticles?

when nano particles surface is modified with the help of fabricating agent how can we find out that surface of nanoparticles are entirely covered by Fabricating material and how do we find that...

11 December 2018 7,225 5 View

How to regenrate a ction exchange resin?

Strong Cation exchange resin are usually regenerated by passing concentrated acid such as HCl, when we pass any monovalent , and divalent metal solution , they show great affinity towards resin,...

08 September 2018 9,628 2 View

How to remove doppler & pressure broadeneing?

Dopplers & pressure broadening results in broadening of atomic spectral lines.how these effects can be removed.

02 March 2018 9,364 3 View

Can we skip monochromator in atomic absorption spectroscopy instrument?

In AAS , we work with a line source such as hollow cathod lamp, which provide specific wavelength for any particular element, in form of narrow ad selected wavelength ,so why need monochromator ,...

01 February 2018 7,962 4 View

Is artifical source of light canbe replaced by sunlight in spectrochemical methods?

In spectrochemical methods, we use different excitation sources, can sunlight be used as excitation source by controlling its intensity by the help of monchromator.

31 December 2017 4,405 0 View

Is soil porosity inter particle or intraparticl property?

soil porosity is interparticle or intraparticle property. if talk about about porous material, these have pores inside themselves, so soil particles also used in adsorption experiment, which...

09 October 2017 1,553 5 View

How do reference electrode maitain their potentials?

A reference electrode sucha s ag/agcl electrode ,saturated with potassuim chloride soltuion.chloride ion the potential of reference electrode is depend over the activity of chloride ions, how do...

08 September 2017 1,079 4 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Does any one can help me choose a reasonable basis set for intermediate metal ions interactions with guanine (i.e Fe2+, Mn2+, Cu2+ and exc.)?

Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...

01 March 2021 6,187 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View