How to find CdS/CdTe parameter values for Sentaurus simulation?

Hello, Currently our group is trying to understand the use of Sentaurus for solar cell simulations. As per now we have gain reasonable knowledge on the process, but still having some issues with...

06 November 2020 3,503 4 View

Do you know about coating materials for bio-polymer beads?

I am working under bio-polymer micro beads and need to coat my beads to improve its durability. Can you comment about those coating materials?

06 September 2020 2,389 4 View

Is there any way to design allele specific PCR primers for a single nucleotide "deletion"?

Hi, I am currently doing a research on Inborn errors of metabolism in Sri Lanka and for that, I need to develop a method to identify few SNPs and a single point deletion using allele specific PCR...

27 August 2020 2,411 4 View

Can you comment regarding the identification of mono layers of graphene oxide in aqueous solution using UV-Visible spectroscopy?

I just wanted to identify the mono layers of GO in aqueous solution using UV-Visible spectroscopy.

26 February 2020 5,665 3 View

Has anyone observed (proved by data) a significant change in rainfall amount / pattern as a result of global warming?

Scientists have observed nearly 1 degree Celsius increase of global mean temperature during the last 100 years and they make different predictions / projections on climate change. Has any...

09 October 2019 8,307 7 View

Psychological Well-being Scale for Sri Lanka?

Are there any validated scale/index published for measuring the psychological well-being particularly for Sri Lankan or Asia?

04 June 2019 7,346 2 View

Pilot study followed by reliability and validity evidences?

As an accepted practice, most researchers conduct a pilot test prior to proceed final data collection with the aim of to checking the suitability of the research instrument (standard research...

05 January 2018 3,845 5 View

Does convenient sampling suits SEM?

I have witnessed that most of the recent quantitative social media research studies which published in the top world ranked journals were employing statistical technique as simple as regression...

07 August 2017 6,331 3 View

How to move two molecules separately in a gausview window ?

I have to study the interactions between two molecules, say A and B. And I need to position A in various orientations related to B.

28 April 2017 9,588 1 View

How I separate the layer in between organic solvent and water?

08 August 2016 5,504 5 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

How to immerse bricks in wax ( for coating ) ?

Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax

28 February 2021 6,685 2 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

What condition required for coating of Fe3O4@SiO2 by using APTES?

I tried coating Fe3O4@ SiO2 by using APTES in 5% water-ethanol but it is not coated. Kindly suggest a solution for it. Thanks

24 February 2021 5,992 4 View