Why am I getting negative values for antioxidant assay standard curve?

I am trying to get a standard graph for antioxidant activity of ascorbic acid using 0.1 mM DPPH solution. I had used 100 ug/ml stock and serial dilutions were from 1 ug/ml to 10 ug/ml. All of the...

07 August 2020 1,835 3 View

Anybody knows which type of graph is this and how it will be plotted?

Anybody knows which type of graph is this and how it will be plotted? In which application it will be plotted

18 April 2020 5,109 6 View

How to conduct the accelerated storage study of foods?

We are working on the indigenous traditional foods and optimizing their shelf life. We need to know about the process of conducting the accelerated storage study of the foods.

08 September 2019 4,775 2 View

Size Exclusion Chromatography?

Hello all: I'm trying to isolate a protein I am expressing in CHO cells. The protein is secreted into media and the two isoforms are either 20 kda or 30 kda. However, there are serum proteins I'd...

20 August 2019 3,594 10 View

Can i get knowlegdge related to Al-Li alloy paper..?

need only informtion

19 August 2018 5,558 3 View

How to choose training data from a satellite imagery for supervised classification?

I am performing supervised classification of Sentinel 2 imagery using a Random Forest Classifier. I wish to select the training data from the image. Could anyone please tell me the method to...

06 February 2018 8,644 2 View

What is the procedure to extract single band from Sentinel 2A and export it as GeoTIFF in SNAP?

I am trying to export individual bands from Sentinel 2A file by clicking the individual band and using the Export -> GeoTIFF option from file menu. But every time complete dataset gets exported...

14 October 2017 8,718 3 View

What kind of purification method is used for zika virus?

All papers only mention using supernatant of the cell culture. But wouldn't the FBS in the medium cause unnecessary binding?

26 January 2017 7,295 4 View

Presently I am fabricating Back gate FET , for back gate I have decided to use Au. Can anyone suggest what should I use as adhesion layer and why ?

For back gate I have decided to deposit Au over Si wafer. I have studied in papers, people generally use Cr, Ni, Ti as adhesion layer between wafer and metal. But no one mention reason for...

19 October 2016 4,690 2 View

Is the Lorenz curve the same as the cumulative frequency curve?

In case of the rank frequency data if after calculation of cumulative frequencies if the cumulative frequencies are normalized and the frequency curve is drawn (for cumulative frequencies) with...

07 January 2015 3,820 5 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View