Optical direct band gap change with substrate, why?

I deposited Zinc thin films on two types of substrate materials, one is ITO and second quartz substrate. When I calculated optical direct band gap there is difference in energy for 0.2-0.4 eV...

03 April 2019 2,467 8 View

How would you extract lipids without using solvents?

I prepared cell culture with phospolipid of interest. However, in extracting it I shouldnt use any kind of solvent. What techniques would you use that dont have liquid phase for extraction of...

04 May 2018 2,895 6 View

How would you ionized Calcium carbonate without using aqueous solution?

most non aqueous inorganic solvent are poisionos, or they contain protons. What do you think is the appropriate method for CaCO3 disolution without using solvent? some crystals are pyroelectric,...

02 March 2018 1,209 0 View

Why Rolling Circle Amplification is not used more in molecular biology?

We didnt even mention it at my BSc and Msc study in molecular biology, I only heard of it in context of sensor material, dna origami and nano DNA senors. Is this technique new? or it was under...

02 March 2018 7,760 2 View

Can you suggest reliable in-situ technique for absorption kinetic of pollutant (heavy metals) to nanoparticles?

I would like to know if there is easy, cheap and straightforward way to determined removal rate of pollutants by nanoparticles? I prepared several types of nanoparticles, (bare, polymer coated,...

31 December 2017 3,779 3 View

How to improve spatial resolution in Computed tomography?

Hello, I wanted to know what is wrong with my CT (CAT scan) image. when I do medical imaging everything look normal and clear but after Multi Planar Reformation picture in sagittal and coronal...

09 October 2017 4,520 5 View

Why different stregnt of magnetic field in magnetron sputtering yield to different results, nitridification rate?

05 June 2017 7,175 3 View

Why wustite ( FeO) and nitride (FeN) have same picks in GI XRD?

Iron nitrides thin films were synthesised, and grazing incidence XRD was applied to characterise crystalline state, Picks confirms structure of FeN, but afterwards I used raman to confirm it is...

08 September 2016 3,261 47 View

Why is sorption enhanced in presence of magnetic field?

06 July 2016 4,359 8 View

Is it possible to coat nanoparticles with environmentally friendly "green" method that is also cheap?

Have anybody tried some method in which surfactants, or polymer and any other molecule intended to cover surface of nanoparticles in environmentally friendly and economically acceptable way. Ultra...

02 March 2016 4,387 14 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 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

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

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View