Can anybody help me with the application of polyethylenimine in biosensing field ?

More Harsharan Kaur's questions See All

First time secondary research, some points I should keep in mind?

I am conducting secondary research for my dissertation for undergraduation (Psychology) , what should I make sure my proposal consists of? Are there any tips I need to keep in mind?

22 February 2021 6,035 1 View

I have faced a problem to amplify VP2 gene of porcine parvovirus 1,2,3 and 5? Please suggest me how can i solve this problem?

Till now i haven't got any PCR amplified vp2 gene bands on specific annealing temperature and in step up PCR.

08 February 2021 819 4 View

Can anyone provide me with the scoring method and the questionnaire of Work life balance scale by Hayman (2005)?

Greeting! For my MA dissertation, I am thinking of taking Work life balance scale by Hayman. However, I can't find the scoring procedure; also confused about the actual rating taken. If anyone...

23 January 2021 4,074 7 View

Quantitative Research Involves 3 Different Likert Scales, how do I go about data analysis?

This is our first research paper and it is titled "Effect of Peer Connection on Attitude Towards School and Academic Motivation in Higher School Students During Pandemic". We aim to investigate...

30 December 2020 5,450 4 View

My research involves 3 diff scales about peer connect, attitude towards school and academic motivation, how should I go about finding the correlation?

This is the first time I'm conducting research and I'm unsure about the result and scoring process, kindly help

27 December 2020 1,260 3 View

Hi everyone, I am digesting my plasmid with SgrAI enzyme but it showed staractivity everytime?

My plasmid (pJET1.2) contains an insert of around 2969bp. The total size of plasmid 5942 bp. I am cutting it with AhdI, SgrAI and BssHII. Desired bands are of 2969, 1632 and 1432bp. I want to...

15 November 2020 4,761 4 View

Perceived Academic Stress?

Hello, Does anyone have any idea of how this is scored? What would be the average scores? Would would be seen as very low/high? BEDEWY D & GABRIEL A. Examining perceptions of academic...

09 November 2020 2,040 1 View

Does Shannon index represent largest diversity index when the individual belongs to different species and vice versa?

The shannon wiener index and Simpson indices include the measurement of community heterogeneity. Shannon wiener index bapplied information theory. The main measuring object of information theory...

22 October 2020 1,053 7 View

Parameters for magnesium acetate in AMBER MD simulation?

I am trying to use Magnesium acetate [Mg(CH3COO)2] as the salt instead of Sodium chloride [NaCl] in my tleap. Are there any AMBER parameters for acetate ion that I can use?

12 October 2020 931 3 View

Can anyone tell the fast publishing SCI journals?

I want to know the SCI journals of Physics - Computational Physics, Soft Matter Physics, Condensed Matter Physics which provide a fast review process.

12 October 2020 8,911 2 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

Onset of Photo Oxidation in Polymers?

Hi! I am looking for some specific information in regards to the minimum amount of UV intensity required to begin the photo degradation process in polymers. I understand each polymer is...

15 February 2021 7,703 4 View

What is the method of removing RNase contamination from a filter paper surface?

I am working on a biosensing project on paper substrate, however, it is found that the RNase contamination occurs on the filter paper. Might I ask is there any method to clean the paper surface...

12 February 2021 3,926 3 View

How can I calculate teh crystallinity degree of graphene oxide?

I had treat my XRD diffraction pattern by Highscore to calculate the crystallinity degree Xc and I have the formula but I dont no the 2Theta of Ac and Aa to calculate Xc. Is it like polymers...

10 February 2021 6,305 5 View

Could any one help me with mechanical properties of CFRP(carbon fiber reinforced polymers)?

I am modeling CFRP laminated a concrete column in Abaqus And I need Elastic and plastic properties of CFRP

09 February 2021 4,930 5 View

Dear colleagues. How can we implement the kinetics of the polymerization of aromatic amines in easier and simpler ways?

Dear colleagues. How can we implement the kinetics of the polymerization of aromatic amines in easier and simpler ways? Are there simpler methods for Nano polymers (other than those obtained with...

09 February 2021 5,783 3 View

How to calculate enthalpy of formation of Polymers taking into account the terminal end groups?

I am trying to find methods for theoretical calculation of enthalpy of formation of Polymers. till now I have found the oligomeric method (Gaussian) which uses the extrapolation of results from...

05 February 2021 9,707 4 View

What are advantages of NELF model?

I am trying to simulate permeation of gases in polymers. For this reson normally i use the clasic models like dual sorption model but newly i foun dthe non equilibrium lattice fluid model. It...

03 February 2021 1,203 3 View

Michael G. Weller

What kind of compounds do you want to detect?

Amin Shavandi

Please find here two example for biosensing glucose and ammonia using polyethyleneimine, however as Micael mentioned, what compounds you after is important

Carbon nanotube/gold nanoparticles/polyethylenimine-functionalized ionic

liquid thin film composites for glucose biosensing

doi:10.1016/j.bios.2008.07.057

Preparation of Polyethylenimine-Functionalized Graphene Oxide Composite and Its Application in Electrochemical Ammonia Sensors

DOI: 10.1002/elan.201200376