How much sample size is necessary for the cross sectional study done in school/college level students about their smoking and drinking behaviors?

26 September 2020 8,101 7 View

I am conducting an ethnography with mixed method approach, what would be the best sequential order: Quali to Quanti or vice-versa?

I'm doing an insider ethnography and using mixed method approach among disaster survivors resilience. As I belong to the same population pool as that of participants, it is said that ethnography...

19 March 2020 7,721 5 View

Has anybody used the Elisa kits from Elisa Genie, LifeSpan BioSciences, Aviva Systems Biology, Abbexa and Antiboides-online?

I am looking for sandwich Elisa kits for human CTNND1, and I have found the kits from the above companies. However, our group are not familiar with these companies, and I cannot find publications...

02 February 2020 6,131 1 View

How to build a TiN cluster model for ab initio simulation?

Hi, There are many journals related to simulation that used Silicon cluster as the substrate model. I have also seen SiO2 cluster model on the research journal. However i can't seem to find any...

07 November 2019 8,171 1 View

Rules for paired sample t-test with samples from cell culture?

My experiment is isolating primary cells from biopsy of different patients. And then to culture the primary cells in two conditions, one is the negative control, and the experimental set-up is...

06 July 2019 6,194 5 View

Does subscriptions contributed significantly in impact factor?

if subscriptions significantly impacted on impact factor, it is worthless to be specific in subject specific journal. For example, better to target horticulture journal rather viticulture or pomology.

17 December 2018 3,916 3 View

How can we calculate equivalent ratio of producer gas

In the area of biomass gasification

24 July 2017 7,783 3 View

Does GO molecualr function in UniprotKB represents the actual function of protein (eg kinase activity) or it means helping others for that function ?

Hi I am using UniprotKB to find the function of the CD Type I proteins. However as I see the GO molecular function for some of the proteins ( For e.g. CD 19 has one of the GO molecular function as...

26 January 2017 4,604 3 View

Has anyone had a standard protocol for total GA assessment from fresh plant sample?

25 June 2015 2,722 4 View

What common false positive proteins are there in affinity purifcation and mass spectrometry?

I have recently done affinity purification and mass spectrometry. The aim is to identify new protein interactors of the protein of interest. I have the MS result from the first trial, where I...

10 April 2014 5,153 0 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

How to modify micro-structure of Pure Copper which is available as a flat plate of 25 X 25 sq. cm?

Hi everyone, for a thesis project I have to modify the micro-structural properties of pure Cu flat plate of dimension 25 X 25 sq. cm . As I tried searching the available literature, I found a lot...

09 February 2021 5,090 3 View

Can I use aluminum or copper based substrate for DNA origami imaging using SEM?

As suggested in the title I want to image my DNA nanoflowers/origami using SEM. These nanoparticles are an organic-inorganic particle made out of highly packed DNA and also contain magnesium...

28 January 2021 3,343 3 View

What causes the temperature variation of Carbon/PAEK composite sample while heating with AC current at certain voltage in a number of cycles/one time?

It should be either decrease or increase for nth time during heat supply. Is there any possibility of irregular temperature sequences as shown in figure. In that picture the highest temperature...

12 January 2021 4,390 4 View

What to do with this Gaussian Convergence error?

Hi! I'm kind of a beginner with computational chemistry and I\m trying to study the interaction between copper ion and a graphitic carbon nitride quantum dot. the calculation converges with HF but...

02 January 2021 8,684 5 View

Why cannot get any graphene on the surface of copper foil after a CVD growth process?

Parameter: 0.3 sccm CH4 + 2 sccm H2 / 1000 C / 350 mTorr / 1-15 min Pretreatment: Electropolishing + 30 min anneal with 10 sccm H2 Tried several times but get no carbon on copper, then tried to...

01 January 2021 9,754 3 View

XPS analysis of cobalt sulfide?

Hello, Dear colleagues, I will be grateful if anyone helps me in determining which of these XPS results is more accurate. All of these results have been published previously in high impact...

23 December 2020 154 3 View

Is grain boundary scattering 'always' dominant over surface scattering in grained metal/semiconductor thin films?

Hi all, I was wondering if there is some theoretical insight in the relative contribution to the resistivity of grained thin metal or semiconductor films coming from bulk grain boundary...

18 December 2020 2,969 3 View

How can we remove copper from copper mine tailings, on an industrial scale?

Removing copper from copper mine tailings, to reduce environmental pollution

13 December 2020 2,037 8 View

Can I perform Zeta-potential analysis with for nanoparticles dispersed in propylene glycol using disposable capillary cell (DST1070) ?

I am conducting a zeta-potential experiment but it shows I have a poor quality result and my sample conductivity is low. My sample is copper nanoparticles dispersed in propylene glycol.

05 December 2020 3,966 9 View