How I can immobilize the thiolated ssDNA on aggregated gold nanoparticle surface?

More Tasneem Harahsheh's questions See All

What is the reason for cyclic voltagram shift to the right then to the left as shown in the attached figure ?

screen printed carbon electrode was characterized using 5 mM Ferricyanide/ 5mM Ferrocyanide with 0.1 M KCL , with scan rate from 10 to 100 mV/s vs Ag/AgCl , why the shift go to the right then to...

03 April 2019 8,806 6 View

How to modify screen printed electrode with AuNPs using thiosalicylic acid ?

I have gold nanoparticles suspension in citrate buffer and i want to modify the WE of screen printed electrode with is particles using thiosalicylic acid , if any one faced similar work, please...

03 April 2019 1,779 3 View

How to deposit gold nanoparticle onto (commercial) disposable screen printed carbon?

i have carbon screen printed electrode and gold nano particles suspension in citrate buffer, how to deposit the particles on the electrode in a way to get uniform distribution?

02 March 2019 8,150 5 View

If i have protein amino acid sequence how to get the 3D structure?

i have amino acid sequence of protein and I am looking for a free tool can predict the 3d structure, also i have the aptamer of this protein and i want to know how they bind with each other ?

01 February 2019 508 6 View

How to perform an electrochemical deposition of gold nanoparticels suspension in citrate buffer on the working electrode of an electrochemical cell?

i have screen printed electrode and i want to deposit gold nanoparticels on the workig electrode , the particles suspension in citrate buffer. how to do that using electrochemistry?

01 February 2019 4,720 1 View

How should I deposit a mono layer of gold nanoparticles on a screen printed carbon electrode (purchased) using Langmuir?

How should I deposit a mono layer of gold nanoparticles (suspension in citrate buffer ) on a screen printed carbon electrode (purchased) using Langmuir?

31 December 2018 4,666 3 View

How to design read out circuit for electrochemical sensor?

hello, iam working on an electrochemical sensor, to detect protein biomarker using DNA prob, i want to design a read out circuit for my sensor, also i want to know what is the differantce between...

10 November 2018 3,954 3 View

What is the basic different between IDA and SPE?

Currently Iam working on amperometric biosensor using SPCE (screen printed carbon electrode) but I still confuse to figure out what is the different between this electrode with Interdigitated...

10 November 2018 9,608 2 View

What is the optimum dimensions for interdigitated amperometric biosensor?

what is the optimum dimensions for interdigitated amperometric Label-free biosensor( Length, width and separation) for detect protein bio-marker ? also what is the best chose for working...

09 October 2018 3,770 2 View

What are the best solvants and surfactants to deposit gold nanoparticles on carbon substrates using langmuir?

Hello everyone! I am going to start depositing GNPs (diameter around 20nm) on a carbon electrode using Langmuir-Blodgett technique, and I would like to know what is the best solution to start...

09 October 2018 1,139 1 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 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

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 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

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

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

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Have someone successfully used the ER alpha (Santa Cruz sc-8002) antibody in immunostaining ?

Santa Cruz now recommends this new antibody (F-10) but I can't find a publication using this reference. I'm working on human et non human primate hypothalamus and so far, it doesn't work. Is...

02 March 2021 10,003 2 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

Jules Lloyd Hammond

Hello Tasneem,

How do you plan to use your gold nanoparticles (e.g., freely diffusing or immobilised on the electrode surface)?

You may find the following article from my previous group useful:

Article Self-assembled gold nanoparticles for impedimetric and amper...

Tasneem Harahsheh

thank you Jules

the gold nano particles are immobilized on the electrode surface