How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

Has any research on translation investigated the phenomenon of bilingual authors who produce versions of their books in both their languages?

Can the second-language version, strictly speaking, be considered a translation of the first-language version or is it merely a somewhat looser interpretation? How do such authors approach the...

10 December 2020 5,092 25 View

How to distinguish CA1 pyramidal cell vs. interneuron using voltage-clamp?

I am doing voltage-clamp experiments in CA1 pyramidal cells (mEPSCs; AMPA-NMDA ratio; LTP; etc) from acute hippocampal slices in mice. I want to make sure I am only recording from excitatory...

29 October 2020 1,098 2 View

Increase Oleophilicity while decreasing hydrophilicity on silicon surfaces?

Hello RG community, currently I am trying to reach these goals on silicon surfaces for a microfludic project. I have used silanes like APTES in the past in order to get my si-surface hydrophobic...

22 March 2020 2,925 3 View

How could one improve the magnitude of t-statistics of a construct?

Hello All, I am not even sure if this is possible, but I have used this dataset for several publication -albeit with different constructs-and have not seen such low t-values. For example, I have a...

10 March 2020 1,164 3 View

How do I calculate the Mean and Standard Deviation for a set of items (i.e., that form a construct) in SPSS?

Hello All, I have been asked to supply the Mean and Standard Deviation for my latent constructs. Is there a straightforward way of doing it in SPSS? I am actually modeling in SmartPLS, but not...

04 March 2020 1,597 4 View

Any strategies for quantification and purification of a red pigment with no peaks in the visible region which is only soluble in water?

We have isolated a red pigment producing bacteria. We harvested the crude pigment by removing the cells by centrifugation. We tried to find the absorption maxima (lambda max) of the pigment using...

19 January 2020 1,331 2 View

How to Create Small Graphs for Interaction Effects?

Hello All, I have been able to calculate all the interaction effects for a study involving the Big Five. One of the interaction effects I would like to graph (among others) is the relationship...

30 December 2019 6,640 3 View

Can you have stop codon right before a RBS (Shine-Dalgaro) site?

I am designing a primer for a gBlock and I don't want to the poly-histag. So naturally I am adding a stop codon in my primer, but then I need a new RBS site. So my question is can I have a stop...

28 July 2019 1,675 2 View

XML haar cascade for red blood cells and/or echinocytes ?

Hello community, we currently working on an automatic algorithm for erytrocyte detection in stereo-microscopy images for cell counting. Additionally we want to determine the percentile amount of...

23 October 2018 3,262 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

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

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 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