Are you equipped to count small plasmid chromosomes?

I wish to perform an experiment which will provide support for a novel DNA structure. Most of the experiment is conceptually simple, easy to perform, and inexpensive. But the key to doing it is...

29 November 2020 5,258 9 View

How to plot gaussian distribution on Matlab?

15 May 2020 9,150 3 View

Do you know freeware and/or methodology which can do the interference fringe visibility curve fitting?

23 February 2020 6,176 3 View

Negative % degree of hydrolysis values for OPA assay?

Hi, I am using the o-phthalaldehyde assay (OPA) to quantify the % degree of hydrolysis in bacterial fermented milk supernatants. However, for some of my isolates I am obtaining negative %DH...

22 February 2018 2,459 3 View

I am attempting to preserve the shelf life of ice tea up to six months with citric acid, I need a perfected ratio?

Any one who can help with a ratio that can preserve 3-6months of packed ice tea,without increasing the pH

14 November 2017 229 1 View

Are there companies still performing 454-pyrosequencing?

Since this technique is optimized for my samples, and I need to compare with previous results also done with 454, I am hoping to still find some companies performing this analysis (since today...

15 September 2016 836 3 View

How many strains are needed to test for selective/differential media?

Hey, does any one know how many strains are needed to test before a selective/differential media can be confirmed as selective/differential for a particular microorganism?

12 January 2016 7,849 3 View

When choosing selective media to isolate enterococci, is it better to use kanamycin aesculin azide agar or bile aesculin agar?

Is it better to use kanamycin aesculin azide agar or bile aesculin agar when selecting for enterococci? Are there advantages of one media over the other? Thanks

26 October 2015 3,722 3 View

How best to measure nitric oxide in cultured cells?

03 April 2015 3,760 8 View

Platinum migration at high temperatures

What factors (in addition to temperature) contribute to the migration of platinum in Pt thin films at high temperatures? What methods are there to prevent or inhibit this from happening?

27 March 2013 1,829 3 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

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

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