.In my results the slope of curves got from Microplate reader is seems less (less than 1) and negetive some times. What is the reason for that?

In my research I'm enumeraring the florescence intensity (FI) Vs E-coli concentration in river water. I measure FI by Tecan I control 200 pro and E-coli by Membrane filtration.

03 January 2021 2,991 3 View

Is Thermodynamics not able to get the heat transfer rate value?

In the first lecture of heat transfer course, generally it is told that with Thermodynamics, it is not possible to get the heat transfer rate of a process. But in steady flow energy equation (time...

29 February 2020 9,700 9 View

What are the signal processing techniques to extract a low amplitude single/ multiple source signal from the received noisy signal?

I am having a received low SNR signal. It can contain upto 3 sources of signal, each of which has a different dominant frequency (say 1GHz for source 1, 1.5 GHz for source 2, 2 GHz for source 3)....

28 September 2018 1,722 11 View

Why do academic research outcomes hardly inform development policy practice in Africa? How can we effectively address this institutional inaction?

I am particularly worried about development challenges most African countries face despite their human and natural resources potentials. Moreover, International organisations have funded several...

13 June 2018 4,334 19 View

I'm trying to stain cancer cells grown on gel. I'm not sure whether I need to fix my cells with 4%PFA or ethanol before staining?

I am trying to stain #ovarian cancer cells grown on gel with ethidium bromide and calcien. I am not too sure whether to fix my cells with 4% PFA or ethanol before staining. Any suggestions will be...

06 February 2016 2,397 4 View

Is Grid Independency Test (GIT) a must for complex numerical models?

17 December 2014 7,259 20 View

Why does my citrate buffer turn milky during immunohistochemistry?

For my IHC protocol, I am staining for beta-catenin in ovarian sections during antigen retrieval. My samples are heated in citrate buffer for 45 mins. I have also read that signs to show that your...

08 December 2014 1,939 3 View

How to find the physical properties of a mixture of 2 or 3 salts with known proportions?

19 November 2014 9,137 5 View

Does XRD output data has any significance in the field of Thermal Energy Storage (especially Phase Change Materials)?

With the output of XRD, we can get any information relevant to Phase Change Materials of Latent Heat Storage?

19 November 2014 5,334 3 View

Is it possible to define 2 materials for a single domain in COMSOL?

I am working on flow through porous media. Flow characteristics can be solved using Brinkman Equations physics and Heat Transfer characteristics can be solved using Heat Transfer in Porous Media...

18 November 2014 3,932 3 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

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01 March 2021 3,905 5 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View