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Questions related from Aiman Shamim
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...
09 September 2019 8,628 1 View
Nanorods have high surface area, as compared to nano particles, what their best characteristics, not present in nano particles.
03 March 2019 9,213 6 View
Standard addition method, is used when we want to nullify the effect of matrix, under what circumstances, Internal standard Method is used.
02 February 2019 8,043 2 View
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...
12 December 2018 7,304 5 View
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,...
09 September 2018 9,707 2 View
Dopplers & pressure broadening results in broadening of atomic spectral lines.how these effects can be removed.
03 March 2018 9,458 3 View
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 ,...
02 February 2018 8,058 4 View
In spectrochemical methods, we use different excitation sources, can sunlight be used as excitation source by controlling its intensity by the help of monchromator.
01 January 2018 4,488 0 View
if soil moisture content indicate about about soil water rent ion ability on behalf of its to hold moisture according to its particle size, and what precautions should be used to collect reliable...
11 November 2017 6,805 0 View
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...
10 October 2017 1,637 5 View
if we want to measure soil ph, what should be the method for collecting soil sample and what is the effect of depth over ph measurement,how much pH will change in case of alkalinity and...
09 September 2017 7,300 23 View
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...
09 September 2017 1,182 4 View
what is the significance of using internal standard method and is he significance of using this method. under what conditions , it must be used and what is the significance.
06 June 2017 8,521 0 View
carbon nanodots is new emerging filed with versatile application and stability, in literature size is mostly reported between 2-10 nm. is it necessary to have particles of such size range or...
02 February 2017 7,924 4 View
How can we calculate the concentration of nanopaticles by mixing variable concentration of ligands and metal solutions.
10 October 2016 9,329 2 View
in nano chemistry ,some time there cationic or anionic interactions between nanoparticles and the stabilizing agent,can we measure these interactions by the help of FT-IR?
09 September 2016 7,670 3 View
I want to functionalize gold nanoparticles with apolymer for drug loading, and I also want to fuctionalize it with tumour directing ligands. what should be the steps, should i first functionalize...
09 September 2016 3,456 3 View
process of nano particle formation involve first assembling/clustering of atoms and than coating with any proper stabilizing agent .i literature, some times word reported is nano cluster . but i...
08 August 2016 1,281 2 View
what is the significance of synthesizing nano particles of drug,because it is suppose that size of nano particles are responsible for their increase activity as we coat drug molecules over nano...
07 July 2016 9,671 0 View
how can we measure the size of nano particles by AFM,
06 June 2016 1,226 3 View
In nanoparticles formation , why only d- block elements involve , can we use s and p block elements as effectively as d - block elements? like carbon nnaotubes made up of carbon atoms ,do they do...
02 February 2016 8,288 2 View
In nanoparticles synthesis, reducing agents change metal into its zero oxidation state,which form cluster with other atoms and then coated with capping agent, why necessary to change metal into...
02 February 2016 381 3 View
It is mostly found in literature that silane containing ligands mostly use for stabilizing and coating iron oxide nanoparticles.What could be the role Si in it.IS it due to strong covalent...
02 February 2016 5,563 3 View
What could be the possible effects of electron with drawing groups ,if present in reactive dyes such as, in echriochrome black T.
02 February 2016 7,814 2 View
HOw can we find the LOD for the ADsorbe damount of dye over magnetic nanoparticles?
01 January 2016 1,457 1 View
What is the difference between LSPR peak of nanoparticle and between a simple UV absorption spectra?
12 December 2015 5,128 8 View
I want to separate dyes by the help of iron oxide nano particles the problem i am having is that my dye under go precipitation after 20 of shaking.UV spectra of dye gradually distorted,How can I...
07 July 2015 6,295 0 View
i have coated ironnoxide nanoparticles with tetra ethyl orthosilicate with out functionalization with APTMS and i want to use it for the removal of dyed and metals, Will it work?
03 March 2015 2,791 1 View
I am trying to synthesis schiff base with 3-APTEs .which procedure would be best and is it neceesary to remove water during synthesis .
03 March 2015 9,815 4 View
can we detect cancer bio markers at early stages of cancer,when the disease in its very early stages,in complex humman biological system?
02 February 2015 4,878 0 View
what should be the color and uv-visible absorption range for iron nanoparticles if synthesis by borohydride reduction method.
11 November 2014 1,921 9 View
I synthesized iron oxide nanoparticles but I am unable to dissolve them completely.It shows partial solubility in ethanol but then settles down. I also dissolved it in acetic acid, but I am...
09 September 2014 7,510 5 View
What experimental parameters need to be optimized, to prepare amino silane coated iron oxide nanoparticles?
07 July 2014 6,215 2 View
Iron oxide nanoparticles show magnetic properties. Are nanozerovalent iron nanoparticles also magnetic in nature?
05 May 2014 5,648 7 View
What is uv range for iron nanoparticles and what is the procedure to take the uv of iron nanoparticles?
05 May 2014 4,239 18 View
What kind of ligand can be used for the synthesis of monodisperse iron nanoparticles and how can we prevent the formation of iron oxide nanoparticles during synthesis of iron nanoparticles? How...
04 April 2014 6,991 4 View
I synthesize AuNPs having absorption maxima at 558nm,showing that large size particles are produced,polymer used to tune the size of nanoparticles,can polymer shift the absorption maxima toward...
03 March 2014 4,858 5 View
I try to check the effect of temperature at the synthesis of gold nanopaticles,which is showing unusual behaviour,at room temperature there is higher intensity of absroption peak as compared to...
03 March 2014 9,330 7 View
How to publish a high impact factor paper? And how to increase citations?
01 January 2014 6,879 2 View
Uv-visible spectroscopy is used as a confirmation tool for the formation of nanoparticles. LIke, if there is absorption at 500nm or above it means there is formation of gold nanoparticles,...
12 December 2013 1,286 1 View
I am trying to synthesize carbon dots from garlic extract. It's showing good fluorescence under Uv lamp prior any heating but after reflux fluorescence is decreasing. what does this indicate and...
11 November 2013 9,667 1 View
Carbon nanotubes usually have low quantum yield. Stability problem is another issue, not only with carbon nanotube but with other nanoparticles (i.e. gold and silver). Biomarkers play a very...
10 October 2013 7,156 4 View
endoscopy some time leads to infections in patients ,what precautions should be taken and is there any alternative method for endoscopy?
01 January 1970 6,157 2 View
