Have anyone tried SYBR green with GoTaq DNA Polymerase for a qRT-PCR?

Hi, everyone. I need to perform a real time reverse-transcription PCR in one step. What we have is SYBR green I PCR Master mix with GoTaq DNA Polymerase. So far, our attemps to perform the assay...

07 January 2021 6,507 3 View

Does international survey based researches needs approval in each country ethics commitee?

We plan a contingent valuation of ecosystem services. The study will be based on surveys. We want to apply it in fifteen different countries. Is it necessary to approve the project in ethics...

25 June 2020 8,099 3 View

How to choose the best smooth algorithm for your data in Origin?

I have several curves of applied potential versus electric current with hundreds of points in each of them. I am trying to analyze their first and second derivatives, but they are too noisy to...

27 April 2020 5,932 2 View

I can't make my RAPD-PCR work anymore. Can anyone help me?

Guys, I REALLY NEED HELP At the end of the last year I optimized every parameter of my RAPD-PCR, and as a result I did obtain great products multiple times. Then, I went home for my vacation (I...

18 February 2020 9,236 3 View

No title

10 December 2019 7,354 5 View

Hi, I would like to solubilize a hidrophobic compound in order to administer it to mices. Should anyone suggest a nontoxic vehicle?

The compound is very insoluble in aqueous solution and the compound administration will be given orally. The compound manufacturer has no information regarding the solubility of the compound....

16 January 2019 834 1 View

No title

Hello everyone! I have been consulting this webpage http://beast.community/ and http://www.beast2.org/ , but the examples for the use of BEAUti and BEAST are for old versions. The versions of...

02 April 2018 3,942 3 View

Two-step cluster in SPSS - how to validate results?

Hi everybody. After applying a two-step cluster in SPSS, involving both continuous and nominal variables, how can I validate if the results are satisfactory? In other clustering methods there are...

03 October 2017 5,765 8 View

Have you COI sequences of Potamotrygon orbigyi?

24 August 2017 6,634 2 View

How many sequences it needed to put in a crown group to calibrate a tree?

17 August 2017 4,155 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