How to differentiate strength of Target-DNA Aptamer interaction versus DNA Aptamer-Complementary DNA hybridization?

We will be developing competitive lateral flow aptasensors for a small molecule target. However, we are concerned about the strength of the DNA aptamer- target interaction versus the interaction...

02 March 2018 4,118 3 View

Why is that the zeta potential of purified gold nanoparticles is higher than the zeta potential of the unpurified gold nanoparticles?

I am doing an aptamer-based sensing of heavy metals and I will be using gold nanoparticles (AuNPs) as the optical label. Part of the preparation of the aptamer-AuNP recognition label is that the...

11 December 2017 8,491 4 View

Why is rubber prone to crosslinking?

Reason why rubber is prone to crosslinking?

10 November 2016 4,157 0 View

UV Visible spectra of salbutamol sulfate.

I have scanned a 5mg solution of salbutamol (as sulfate) in pH 7.4 PBS from 200nm - 400nm in order to obtain its absorption spectra. Based on the certificate of analysis, its maximum absorption is...

01 February 2013 5,814 22 View

What are the possible applications of inorganic nanomaterials?

I've been looking at some papers regarding the synthesis and characterization of different inorganic materials and I am becoming interested with this topic.

01 February 2013 3,874 7 View

What does it mean when there is a large amount of moisture in drug-loaded calcium alginate microparticles?

Does it mean that the content of the polymer is mostly water? How about the drug? How can it be explained chemically?

31 December 2012 197 2 View

Why is that the calcium - alginate coordination called "egg-box" model?

I am currently doing an undergrad research which is about calcium alginate-based drug delivery systems...

31 December 2012 8,394 1 View

What is the best drying method to do in order to get low-moisture content alginate hydrogels?

Im only doing air-drying. Can you suggest other methods that will produce low-moisture content alginate hydrogel without altering the properties of the drug loaded inside the polymeric matrix.

31 December 2012 9,522 1 View

Is pH 7.4 phosphate buffer saline more suitable to use than pH 7.4 phosphate (acid-conjugate base buffer system) in simulating physiological pH?

Which is more stable to degradation even in short periods of time?

31 December 2012 6,472 1 View

Do I need to heat the solution when preparing an alginate solution?

I am working on my undergrad research, which is about calcium alginate microparticles as drug delivery systems. I had a hard time preparing the solution because of the viscous nature of the...

11 December 2012 9,941 15 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

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

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View