Can anyone recomend a "surplus" lab equipment sales company for our thin-film PVD system?

We are scaling down our thin film R&D projects, and are looking to sell off / find a good home for our Thin-film & Nanoparticle Physical Vapour Deposition system. I was wondering if...

16 September 2020 6,550 3 View

How to remove carry-over in LC-MS/MS gradient method when isocratic method shows no sign of carry-over

I have a new molecule for which I have initially developed an isocratic LC-MS/MS method (Synergi Fusion column, H2O/ACN 20/80 (+0.1% HCOOH)). Analysis of this method gives limited sensitivity...

25 June 2017 1,721 11 View

When using the 'Concrete damaged plasticity' model in ABAQUS, can you view the plastic crack widths that the program is calculating?

Refering to section '18.5.3 Concrete damaged plasticity' in the ABAQUS manual, there is a parameter L0 for cracked damage. Can you output this value? I am getting warnings about negative increases...

10 June 2015 1,092 2 View

Technology to probe physics of polymer brushes?

Do you think the technology described in this article could be used to look at the conformation / physics of tethered polymers (both neutral and polyeletrolytes) under static and shear flow...

02 December 2014 5,813 5 View

Can anyone help with correlation of qPCR and western blot reults?

I knocked down a gene which has been shown to promote cell proliferation. qPCR results confirmed that the gene was indeed knocked down. There was increased expression of p53 as a result, which...

24 September 2014 9,241 5 View

What are the best GUI options for learning to use R?

What option(s) for GUI's do you recommend for a researcher with no programming background to learn how to use R for statistical analyses? I'm most familiar with JMP and have used SPSS and...

11 June 2014 7,279 3 View

Why are my no template controls for qPCR yielding products?

My "no template" controls are showing products that are identical to their genes. I did bax and p53 qPCR and noticed that bax amplification was almost identical to bax no template control; p53,...

26 May 2014 6,402 7 View

Would any MDs/PhDs be willing to be interviewed as part of a neuroethnographic research project? I want to hear your thoughts on TBI/PTSD treatments.

First and foremost - I cannot actually begin to formally collect data until June of 2014, as I will have to meet with an IRB to both receive approval and to establish how to best ensure research...

14 January 2014 8,525 5 View

Hi, I keep getting very low yields of RNA from my RNA extractions

I am using duplicate wells per sample in a 24 well plate. I had no problem when I extracted total RNA from a culture flask. I am using a Nucleospin extraction kit from Promega. I get low yields...

03 September 2013 2,192 22 View

Can I use RNAse-free water in the place of 'nuclease-free' water?

Can I use RNAse-free water in the place of 'nuclease-free' water? Is RNase-free water always DNase-free OR is DNase -free water always RNase free?? The term nuclease-free water seems all...

30 July 2013 790 4 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

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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 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