42 Questions 43 Answers 0 Followers
Questions related from Sibasish Dutta
If we treat the nanoparticles with aptamer, can't we call it functionalized nanoparticles?
04 April 2017 7,821 3 View
Colloidal solution of gold and silver nanoparticles tend to agglomerate when centrifuged.
03 March 2017 9,288 4 View
I want to make a statistical collection of number of research papers published on "smartphone based sensing devices" on various fields in the last 8-10 years. How can I get the information on the...
04 April 2016 499 0 View
A plano-convex lens is supposed to make the light rays parallel along the optical axis of the lens. Does it ensure that the collimated beam falling on a surface gets uniformly illuminated?
04 April 2016 7,099 4 View
Why different sized AuNPs (spherical) possesses varying degree of affinity for adsorption (binding) with BSA proteins or any other biomolecules?
01 January 2016 6,474 2 View
In complex biological media, many biomolecules can have the affinity to bind with the nanoparticles' surface but when it comes to selectivity, it becomes difficult to control the selective binding...
01 January 2016 1,670 1 View
Can anybody help me in finding the year wise publication record on a given area of research?
01 January 2016 5,069 1 View
Can we say that BSA protein and catalase enzyme are biomolecules?
12 December 2015 893 4 View
LSPR can be studied using noble metal nanoparticles in colloid form and through nanoparticle (of any shape and size) fabricated on a substrate through nanosphere lithography techniques. Can...
12 December 2015 1,094 3 View
What are the characterization technique available to ensure binding/ adsorption of BSA protein and Trypsin enzyme on citrate capped gold nanoparticles in colloidal form. It means I want to do the...
12 December 2015 4,180 14 View
What is lowest amount of BSA protein that can be conjugated with citrate capped gold nanoparticles (20 nm) through direct binding (without using any linker)?I have prepared BSA stock solution of...
11 November 2015 9,882 6 View
How can we differentiate between the conventional R,G,B, linear R,G,B and non-linear R,G,B values of a given color?
11 November 2015 5,533 1 View
Like Lowry's reagent assay for protein concentration determination, what are the colorimetric methods available for enzyme concentration determination ?
09 September 2015 9,102 3 View
I need to synthesize cerium (iv) oxide nanoparticles dispersed in 20% acetic acid. Any suggestions will be very helpful.
09 September 2015 1,583 3 View
I need to prepare Britton-Robinson buffer for my research work. Any suggestions?
08 August 2015 5,893 2 View
If we measure the LSPR peak wavelength of gold /silver metal nanoparticles using a UV-VIS spectrophotometer, then how the resonant wavelength gets affected when we take the measurement in...
08 August 2015 6,618 2 View
When we measure pH of transparent water samples using pH indicator dye such as phenol red, we may not estimate the actual pH of the solution because of the presence of interfering ions. How might...
06 June 2015 5,933 4 View
If I want to name protein and enzyme under one common name, what would be that suitable common name?
05 May 2015 4,006 0 View
I have 10 X PBS (pH- 7.4), how can I convert it into 1X ?
04 April 2015 8,895 4 View
When we measure absorption/transmission intensity of pH indicator treated colorless buffer solutions using a spectrophotometer, is it necessary that the absorption or transmission intensity vs. pH...
04 April 2015 2,120 0 View
Can anybody help me in getting the correct procedure for preparing Phosphate Buffer Saline of pH 7, 7.2 and 7.4? Why autoclaving is necessary? Is it compulsory to autoclave our prepared PBS?
04 April 2015 8,890 3 View
What is the effect of temparature on the absorption intensity of phenol red dye when treated with a buffer solution of specific pH?
03 March 2015 5,223 2 View
For good dispersion white light source should be a point source why?
02 February 2015 1,888 2 View
I want to make BSA binding of different amount (in %) with citrate capped gold nanoaprticles colloid. Any suggestions?
01 January 2015 9,663 7 View
For how many days we can store the growth solution prepared using CTAB and gold chloride trihydrate for preparation of gold nanoparticles? I am attaching herewith the related paper.
01 January 2015 2,466 3 View
How can we obtain a buffer solution of a given pH value by mixing two buffer solutions of different pH value?
12 December 2014 9,682 3 View
Many people upload their research work in arxiv at a stage when their work is in progress but not fully completed. After submitting the work in arxiv, does editorial board of a journal where the...
11 November 2014 8,593 1 View
Can we consider the paper published by Springer Proceedings in Physics a peer review research paper?
11 November 2014 2,842 3 View
Why silicone oil is used in oil baths and no other oil?
11 November 2014 5,680 4 View
I am using an spectrometer where the intensity spanning from 400-700 nm of a broadband source (VIS-NIR) is found to be smaller than the transmission intensity of the light after passing through...
11 November 2014 4,378 4 View
Milli Q water is needed for synthesis.
11 November 2014 463 4 View
In some papers it is mentioned that authors have calculated theoretically the LSPR curve (UV-VIS curve). So how do you theoretically simulate the UV-VIS plot of metal nanoparticles and progressive...
11 November 2014 3,137 3 View
Laser light is not fully monochromatic so is it possible to reduce its spectral width without using any monochromator?
11 November 2014 7,643 11 View
I tried to remove the stains of ferric chloride of my beaker with chromic acid but it didn't work out. Is there any way to completely clean glasswares stained with ferric chloride?
10 October 2014 9,081 19 View
I have tried to dissolve L-Cysteine in distilled water but I found it insoluble in distilled water. While googling I found that by mild heating and stirring or by dissolving L-cysteine in a water...
10 October 2014 6,980 10 View
We know that when a white light passes through a transmission grating, the white light gets dispersed into spectrum.
09 September 2014 1,011 0 View
When biomolecules bind to gold and silver nanoparticle surface, it causes a shift in localised surface plasmon resonance wavelength towards higher wavelength.
09 September 2014 6,575 6 View
In a paper, I saw the synthesize of silver nanoparticles using ethanol and PVA(poly vinlyl alcohol). I exactly followed the same procedure as they did. But, as ethanol is very volatile, most of...
09 September 2014 6,841 8 View
To deposit silver or gold film of nanometer thickness, we need an expensive Vacuum coating machine. Since such expensive machines cannot be afforded everywhere, how can one deposit silver or gold...
09 September 2014 7,699 10 View
To bind BSA (which is negatively charged) with gold and silver nanoparticles by electrostatic adsorption we need the surface of the nanoparticle( gold and silver) to be positively charged.
09 September 2014 7,209 8 View
pH control is very important for good binding of gold nanoparticle colloids and proteins
08 August 2014 7,998 1 View
Physical adsorption of gold nanoparticle colloids with BSA protein.
04 April 2014 8,095 1 View
