How can I calculate the value of a concentration of enzyme from optical density?

optical density was measured at 270 nm for enzyme assay after sample collection time interval of 15 sec

10 November 2017 884 5 View

What would be the ideal conditions of HPLC for organic acid detection? Which mobile phase and column is suitable, as organic acids are hydrophilic?

Analytical method for organic acid detection using HPLC

10 November 2017 3,371 3 View

Which bioinformatic tool is feasible to explain metagenomic data of soil microbes?

Hi, I'm working on soil microbe diversity and after extracting whole microbe DNA from particular soil, I'v metagenomic data by pyro sequencing which tells me the diversity of microbes in soil. I...

10 November 2017 5,735 11 View

How Can I determine functional gene community for diversity studies?

Hi,I'm working on degradation studies. The sample I have, is a consortia of unknown microorganisms. I want to study diversity of microorganisms on gene basis particularly functional gene...

01 February 2017 8,964 4 View

How can I calculate production of carbonic anhydrase?

10 November 2016 1,553 0 View

Does anyone has Experience in elaborating GCMS results?

06 July 2016 3,863 2 View

How can I check the reductase activity in a Liquid Solution?

Hi, I'M working on the soil Enzymes. I need to to check the total reductase enzyme production and its activity produced by certain enzymes especially when the inoculum is converted to liquid...

01 February 2016 7,364 2 View

What is the best extraction solvent for textile dyes?

31 December 2015 1,193 3 View

Does Vitamins produce energy?

Does vitamins produce specific amount of energy or they are only precursors for the metabolites?

07 August 2015 8,897 4 View

Why do we use MSM for the treatment of dyes rather than broth or other media?

Why do we use MSM for the treatment of dyes rather than broth or other media?

05 June 2015 8,806 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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 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

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View