28 October 2014 5 6K Report

The packed bed bioreactor in up-flow direction consists of a fixed or attached biomass growth (biofilm) along with suspended biomass around it. What are the kinetic models for such bioreactors for continuous substrate removal/utilization?  

More B. Chandrashekhar's questions See All
Ethylene glycol is newtonian or non newtonian fluid?

Some sources say it is treated as Newtonian as ethylene glycol has a higher viscosity than water, which affects the flow characteristics in simulations. But some also say it is non-Newtonian.

09 August 2024 2,111 2 View

Can any of you suggest how to find the detection limit.?

I am working on flourescence sensing of heavy metals using quantum dots.Can any of you suggest how to find the detection limit. Whether it is calculated from formula or we can get from instrument?

19 July 2024 7,411 3 View

Cloning of flaviviruses is difficult i have noticed that cells loose their transformation ability after cloning fragments inside vector any advice?

As flaviviruses genome is very frequently prone to mutation hence it is very difficult to clone whole genome inside vector what kind of vector and cells can sustain such amount of cloning...

11 July 2024 4,284 0 View

I am not getting proper colonies while ligating one of fragments in my vector the colonies seems to be normal but in light it seems lysed any reason?

I am working on cloning of a gene fragment inside my vector everything we tried to do correctly like making insert and vector with utmost care but after ligation the morphology of colonies seems...

11 July 2024 9,010 3 View

Can anyone suggest what amount of powder I have to disperse in the solvent for taking the FTIR spectra?

I have to compare the FTIR of the two samples, one is in powder form and other one is the powder dispersed in IPA or water. Both are same material, so how the bond will change

09 July 2024 8,011 2 View

I have a doubt in finding the amount of ferromagnetic and antiferromagnetic contribution in a canted system?

Is it possible to differentiate or calculate, the amount of ferromagnetic and antiferromagnetic contribution in a canted system? (Weakly frustrated canted antiferromagnetic system)

25 June 2024 6,210 0 View

How transmittance is dependent on the band gap and atomic structure?

UV-Visible NIR analysis

20 June 2024 9,056 3 View

Whether size obtained from TEM and XRD should be equal?

I have got crystalline size around 15nm from xrd but TEM is giving particle size 4nm

20 June 2024 6,064 8 View

If I dop a metal ion into the ternary nanoparticles can I call it as heterostructure?

Ag+ ion replaced some of the Cu+ ion. ie, Ag+ is the dopant

14 June 2024 2,814 1 View

Whether the same synthesised inorganic nanoparticle show different heavy metal sensing by flourescence?

as

14 June 2024 7,373 1 View

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How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

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Can you suggest reliable sources defining "3D mesh" and "3D city models"?

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