Can anyone help me understand how to adjust my SAS glm analysis to include a random effect for site?

I am not great with statistics so please be understanding. I have 17 pollinator sites that I collected data from and am comparing the effect of habitat type (2 classes) on several different...

24 September 2020 3,140 5 View

Trouble purifying PCR product using Qiagen gel extraction kit and Monarch gel extraction kit, 230nm peak?

I start with impure PCR products of >500ng/ul, 260/280=1, but peaks present at 260, and end up with peaks near 230, about 10ng/ul concentrations of 260/280=1.5 or so, which I assume is not DNA...

29 November 2018 6,858 8 View

What is the best way to purify DNA during SOE PCR?

According to protocols I found from Nature (Heckman et al 2007) and Cold Springs Harbour (Forloni et al 2018), the PCR products must be purified using gel electrophoresis and then a QIAquick gel...

05 November 2018 4,748 9 View

How do I calculate the number of operations for a level 2 wavelet decomposition on an image using the Fast Wavelet Transform?

For a paper I recently submitted, I was asked to provide the number of operations for my method. I decompose CNN features using wavelets for pooling. I know the computational complexity of the FWT...

06 February 2018 4,830 2 View

Does anyone have a recommendation for a good antibody against mouse E-Cadherin, particularly for live cell sorting?

Hello friends, I am attempting to separate E-Cad+ normal mouse epithelial cells from E-Cad- mouse tumor cells using the difference in E-Cad expression. I have tried several antibodies but have...

30 October 2017 8,565 2 View

What allows DNA to bind to Midiprep column?

I am using Invitrogen Plasmid Midiprep kit and I am wondering which buffer and what components allow the DNA to bind to the filtration column. Usually it is the Binding buffer that does this but...

19 June 2017 5,504 3 View

Is an electrode needed for plasma cleaning?

I have a twin magnetron sputtering system and am looking to upgrade my system to include substrate cleaning and biasing. I have a DC pulsed power supply to apply a bias voltage to my substrate...

13 July 2016 340 3 View

I am looking for colleagues that work with cold chain logistics. Would you like to collaborate on research?

19 June 2016 504 1 View

I'm having poor reproducibility while analyzing Organic Impurities in Ethanol by TOF GCMS. Could this be a problem with my incubation conditions?

I'm analyzing Organic Impurities in Ethanol by GC/MS and having poor reproducibility. The ethanol samples are diluted to ~40% in water and injected using headspace technique. Sample is incubated...

29 February 2016 1,751 2 View

Can you help with code for AICc, AICw, and coefficient for all permutations of a set of variables; combined with some variables (always included)?

Hello allI am an R novice and I apologize if my question is very basic. I am trying to find a code to run a GLMM for all possible permutations of my variable set. I need to have the AICc, AICcw,...

15 July 2014 668 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

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 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