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Questions related from Hariharan Manoharan
Often, 3M scotch tape-based peel testing (example https://www.astm.org/Standards/D1876) is used in evaluating nanoparticles coating on solid substrates. What will the force experienced by a...
08 February 2020 8,681 0 View
We have developed a fiber optic sensor and we wish to evaluate them for biosensing. Is there any standard antigen-antibody pair for immunoassay, namely direct and sandwich formats. For example...
19 December 2017 6,733 3 View
In few optical silica fiber specification sheets, I find TECS as cladding material. TECS is hard fluoropolymer and a patented polymer. what exactly is this TECS.
06 April 2017 4,731 2 View
sometimes, I see some vapor/fumes being released from the glass container (tightly closed, original glass bottle from sigma) in which Trichloro(octadecyl)silane is being stored. Also, I notice...
27 July 2016 255 7 View
silane reacts with silanol molecules on the fiber surface (silanization or silane coupling). In particular, how to remove this covalently attached silane molecules form surface of a silica fiber?...
10 June 2015 3,556 19 View
How does angle of incidence, refractive index (at the interface), wavelength, frequency, modes, wave vector affect the characteristics of evanescent waves? mathematical relationships for...
05 June 2015 263 8 View
For example, how can one experimentally detect (and prove) evanescent waves, when light propagates in a optical fiber by the phenomenon of total internal reflection (TIR)?
01 March 2015 6,726 4 View
Methylene blue has two absorbance peaks at 609 and 668 nm. Why does methylene blue have two peaks? What are the bonds that contribute to these peaks? How to analyze the peaks of a dye?
14 January 2015 5,896 9 View
I have hydrated Gold(III) chloride trihydrate (M. W = 393.83) from sigma aldrich. I dissolve this salt in ultra pure DI water and prepare gold chloride solutions. Whether Moleculat weight of...
15 December 2014 5,588 11 View
For example, I have e. coli antibodies (M.W. 160 Kilo Dalton from Abcam). how many no. of antibodies will be required to immobilize one e. coli cells on the substrate surface (glass substrate is...
06 December 2014 3,748 6 View