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Questions related to Scanning Electron Microscopy
One of my colleagues is working on the synthesis of metal oxide nanoparticle. We got a surprising issue in SEM analysis. When we start SEM imaging the sample got disappear within few second while...
28 August 2020 2,352 6 View
The interfacial chemical bonding between nano-filler and polymer matrix could not be observed by SEM or TEM technique. By general Foutier Infrared Spectrometer (FTIR) or X-ray photoelectron...
15 August 2020 6,456 4 View
Actually I want to peel off my polystyrene film from the aluminium foil without any disturbance of the fiber structure. But when I tried to peel it off, it became disturbed, because its like...
14 August 2020 9,648 8 View
Does someone have appropriate SEM images?
11 August 2020 3,246 5 View
hi please I have Al/W sample and I am looking for screw dislocations on the intermetallic surface, my question is: Should the sample be etched? and should I use the SEM or TEM microscopy? what...
07 August 2020 9,888 2 View
My project is Preparation and Characterization of nanowire. I'm a graduate student and I start doing research recently,so I want my peers to recommend some books or journals about...
04 August 2020 3,292 4 View
Dear All, Could you please help me with improving the quality of my SEM images? An example image is attached. It has obtained by a basic Jeol SEM microscope with a tungsten filament. I have tried...
02 August 2020 10,023 6 View
Hi all, I have SEM images of electrospun nanofibers and I'd like to measure its porosity/diameter. However I'm not sure how to do it with ImageJ or any other software. Can anybody help me please?...
28 July 2020 6,337 7 View
Beads formed during electrospinning can normally be controlled by optimizing the solute concentration, applied voltage and collector speed etc. I have tried concentration and voltage variations...
23 July 2020 9,019 7 View
In measurement model, one of the construct having AVE 0.4 but the composite reliability is 1 and Chi square = 1.099, GFI = 0.995, CFI = 0.997, RMSEA = 0.022. So, is it OK to go ahead in SEM.
18 July 2020 7,265 4 View
Dear All, I am looking for answer of two questions. Anyone has an idea or a reference about the following questions: 1- Does the size of the polymer (droplet) change in the emulsion...
27 June 2020 6,849 10 View
We have a model with two endogenous variables (discipline with four categories and education role with four categories) affecting a latent variable (curiosity). We used Lavaan which automatically...
22 June 2020 4,652 0 View
We have crystallized a native protein; it lacks significant homology to any other known structures. We have been trying to crystallize the SeMet-substituted protein, but have difficulties to...
16 June 2020 6,703 1 View
Dear forum, I am currently working on a project where I have two groups (A and B), and I want to compare if a relationship between an IV and a DV significantly differs across the two...
12 June 2020 3,467 3 View
It can’t be an SD or SEM because i only plotted the test sample concentration and the computed enzyme activity. Thank you.
06 June 2020 9,020 1 View
For SEM-based analysis of trichomes (soybean plant) can we preserve the samples collected for some period of time? or after following standard fixation procedures it can be preserved under low...
02 June 2020 5,848 1 View
Dear Researchers: Greetings! I am interested in learning electron microscopy image analysis of bacterial biofilms, mainly using open-source software. I have been using basic functions and tool...
29 May 2020 5,718 4 View
Hello, I have questions about XL30 SEM (with tungsten filament). Can anybody help me with how to correct crossover? You will see in the picture look of my crossover. I trying everything and can't...
25 May 2020 1,538 3 View
I am trying to simulate interaction of hemoglobin with silver and gold nano particles using NAMD. However, I couldn't find any suitable potential. Does anyone have any idea to simulate the...
08 May 2020 7,960 0 View
I have tried PAA and F-127 to disperse TiO2 nanowires after aggressive probe-sonication which resulted in smaller aggregates upto few microns instead of individually dispersed as seen from DLS,...
05 May 2020 7,636 3 View
Dear EBSD friends, I am wondering what the possibilities are for EBSD without sample tilt. I vaguely remember a paper (or conference talk) where this was done. I think they used a detector which...
02 April 2020 839 10 View
Dear all, I am running an SEM in R. However, the model does not fit with reporting 'lavaan WARNING: some estimated lv variances are negative'. Any suggestion or solution? I guess the problem...
30 March 2020 9,618 4 View
I conducted an experiment of depositing zinc on a glass substrate using dc magnetron sputtering. and I found through SEM that zinc was deposited as a porous structure under pressures of 100-300...
20 March 2020 5,125 3 View
I have prepared water in oil in water double nanoemulsions samples .The formulation consist of sample extract 25mg + 4% oil + 2% Tween20 + 1% Chitosan(90% deacetylated). DLS results show Mean...
04 March 2020 3,819 4 View