18 Questions 112 Answers 0 Followers
Questions related from Stefan Ručman
Please see in the attachement, I prepared iron thin films on ITO substrate and I measured resistance, however the graph dont start from same point, why would something like that happend?
14 November 2022 6,279 6 View
I synthesized gold nanoparticle thin films under four conditions, three of them show agglomerated islands, like any metallic particle observed before, highly agglomerated. However this fourth...
14 October 2022 4,792 9 View
I would like to know from DLS experts if they ever used DLS to quantify nanobubble distribution in solution? and if its possible to use it while producing it in situ?
30 December 2020 8,528 21 View
I would like to test my contrast agent and measure relaxation testing with mri. MRI is cheaper but they have a long queue and the concentration used is higher than in NMR. but I never used NMR...
26 January 2020 9,662 4 View
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...
05 April 2019 5,794 7 View
I recently compared how different gasses influence crystallisation of thin film. I used Nitrogen, Carbon dioxide (CO2), Argon, Ambient air. And got easy crystalization of Zinc, Iron and Nickle...
01 April 2019 958 10 View
Is that because my thin film is dark? I prepared in the same way and measured succsefully Iron oxide, SnO, Indium, Copper, Tungsten and Alluminium thin film. but somehow I cannot use it on Nickle...
04 July 2018 9,116 12 View
I prepared zerovalent iron thin films, and also sulfated and nitride version of it. Lower band gap facilities electron transfer which is beneficial to environmental remediation, but experiment...
18 December 2017 929 3 View
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...
08 October 2017 9,690 4 View
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...
27 September 2016 2,671 46 View
I am confused with lectures on XPS and AES by Richard Haasch and in general, I have a feeling that these two spectroscopic methods are basically same, a simular principle of technique. Something...
04 April 2016 3,473 7 View
I would like to know if you have two layers of ferromagnetic iron nanoparticles inside of conductive polymer matrix layer. Can Scanning Tunneling microscopy spectroscopy be used to observe GMR...
09 March 2016 3,126 10 View
There are many concerns about a food safety. Especially milk and juice products, most important contaminants are antibiotics, hormones, bacteria, blood... Did anyone developed membrane technique...
18 December 2015 8,380 4 View
I was preparing magnetic nanoparticles in lab (SPIONS), after measuring of OD I left the cuvettes to dry on the table, and suddenly in cuvette that was iron-oxide solution ( I can't call it MNP...
31 October 2015 5,028 17 View
Dear, I would like to know if anybody know or could recommend method for controlling surface coating of polymeric membranes? As Ruckert et al (2002) and Titirici and Sellergreen ( 2006) report,...
14 October 2015 5,024 15 View
Dear researchers, I would like to know if there is any other material that doesnt have surface on any other charge, and also to be possible to use in higher amount without releasing of heat? I...
23 June 2015 4,591 3 View
Dear, I literally checked everything twice, and I still dont know why I am not obtaining enough amount of plasmid. Did any of you experienced trouble with L.Lactis? I thought this would be easy...
12 June 2015 10,055 1 View
Could anybody suggest me what is appropriate host strain for pNZ vector? I am using plasmid from L. Lactis and now I need to find out appropriate complement cell. Best regards,
21 February 2015 782 6 View
