Does anyone know a protocol of estimating the quantity of tocopherols in olive oil with the use of spectrophotometer?

Estimation of tocopherols in olive oil without HPLC.

08 September 2014 6,620 4 View

Does anyone know anything about the lyophilization (Freeze-Drying) of fruit juices?

I currently work on lyophilization of fruit juices, but I saw that the final product is sticky and it cannot be converted into powder. Do you think that several agents are needed for this process...

08 September 2014 7,842 8 View

Does anyone know a protocol of estimating the quantity of tocopherols in olive oil with the use of HPLC and UV-VIS detector?

Everyone is detecting tocopherols of olive oil with HPLC and an FD detector. Does anyone know a process for detecting tocopherols with an HPLC and a UV-VIS detector?

08 September 2014 4,625 5 View

Can anyone help with the calculation of logcfu/mL?

You dilute a sample, for instant 1mL of orange juice in 9mL sterilized Ringer's solution. After that, you make serial dilutions, taking one mL of the primary sample and put it into 9mL of Ringer's...

08 September 2014 9,475 8 View

Is anyone familiar with the growth of Streptococcus thermophilus and Lactococcus lactis?

I wanted to isolate these microorganisms from a commercial product and I did it in 37 and 30 C anaerobically and aerobically. The experiment was a failure. I bought these microorganisms from DSMZ...

08 September 2014 8,622 2 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

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

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

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

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