Hariharan Manoharan

10 Questions 24 Answers 0 Followers

Questions related from Hariharan Manoharan

In a peel-testing (3M-scotch tape based), what will be force (range) experienced by a nanoparticle immobilized on a solid substrate ?

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

Can anyone suggest model antigen-antibody pairs (best studied models for direct and sandwich immunoassay)?

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

What is the abbreviation of TECS (It is a hard fluoropolymer used as clading in silica optical fibers)?

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

How to store and handle Trichloro(octadecyl)silane (OTS)? how to avoid polymerization?

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

How to chemically remove silane molecules which are covalently bound to silica surface?

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

What are the properties of evanescent waves? suggested books/readings/links for the same?

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

How one can experimentally verify and quantify the presence of evanescent waves? In particular Electromagnetic (EM) evanescent waves?

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

What is the significance of two peaks in methylene blue absorbance spectrum?

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

How to calculate molarity for Gold salts?

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

Approximately how many number of e. coli specific antibodies will be required to immobilize one e. coli on a substrate (glass)?

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