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Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...
28 February 2021 364 3 View
Hello fellow researchers, I recently have a problem with an HPLC coupled to an Orbitrap mass analyzer. I usually use some protein mix to make sure the equipment is ready to separate and read...
09 February 2021 3,595 8 View
In my research related to monitoring the cow behavior with help of sensors I have a permanent and principal problem with the data for model validation. I tried to find some available open-source...
26 December 2020 8,197 2 View
Hello, For a project which studies how teens deal with social media and their interfaces, I'm interested in so-called "activity theory" (also know as cultural-historical activity theory). I know...
21 October 2020 2,364 4 View
Hi everyone! Does anybody know about a good website or place to get some guidance on Northern blotting? Also, advice on blotting the RNA ladder?
07 October 2020 739 3 View
I am trying to design a vector as compact as posible to test DNA transcriptional enhancer and/or repressor activity, I already have a compact bacbone (pICOz vector), minimal promoter, translation...
22 August 2020 1,083 1 View
Hi everybody! I need to amplify phage DNA so as to be able to produce restriction profiles using different restriction endonucleases. Can anyone recommend which primers should I use? I know random...
06 August 2020 1,194 3 View
My current research is about SPC and I'm interested in tuning strategies for these types of predictive control approaches. The cost function is on the photo and the tuning parameters are Np...
23 July 2020 1,176 1 View
On the role of aluminum in TWIP steels
22 July 2020 5,670 4 View
There are some theories, as Pelgrum and Law (2003) suggested that it is necessary to make a switch between the teacher and the student roles. I mean, the student should be also the active role in...
15 July 2020 5,169 15 View
I am working on transparent/translucent zirconia-based ceramics. In many papers, I have seen that they are reporting both In-line transmission (%) & Total transmission (%) value of...
20 February 2021 9,405 6 View
I need to spin a 120um thick film. My current procedure consists of spinning the polymer (about 20um), uv exposure, plasma etch, and then spinning another 20um thick layer, uv again, plasma etch...
10 February 2021 2,055 6 View
Hello. I run my Abaqus simulation in the supercomputer and once it's done, I copied the result (odb file) into my local computer using winSCP. But I faced a problem to read that file (see...
08 February 2021 6,198 3 View
I am looking for a glassy material that hardens between 500-650 C degrees and is transparent in color. I will make a coating on metal sheet with this material. This material will also provide...
04 February 2021 3,835 4 View
I 'm trying to extract polysacharides from Aloe leaf and tried ethanol percipitation, but after getting the pellet. I used the protocol from following reference following the steps, but I don't...
27 January 2021 7,049 5 View
What's the criteria of comolete lysis of E.coli when breaking them using ultrasonic? What phenomena can help to determine if the cell are broken completely? From smell, transparence of the lysis...
07 January 2021 1,911 3 View
Hi! I am getting a higher fluorescence value for a lower concentration Umblifero solution than compared to a higher concentration solution. I am using the 0.001, 0.0008, 0.0006,0.0004, and 0.0002...
07 January 2021 4,353 5 View
The impact of corruption in education is unbearable, as witnessed out from the sufferings of society in all different aspects of life. Can you please provide a comparative impact on the percentile...
03 January 2021 2,725 8 View
Are there any particular uses for transparent wood other than visual appeal? The transparent wood is really cool to see, but what are the practical uses? Please provide examples. Happy New Year!
31 December 2020 2,479 4 View
I have the Corruption perception index as a control variable in my study and i'm not sure what i have use the score or the rank of the country ? please advice what i have to use in the data entry...
09 December 2020 3,797 2 View
