I find it hard to understand these concepts I would like to have a proper break down these to enable me understand it very well.
Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...
28 February 2021 912 3 View
Hi everyone, I am currently running a mixed-mode simulation of a DCB using a user-defined cohesive zone model (UEL), however, the results I am getting don't make sense. I used the same UEL for...
24 February 2021 4,157 1 View
I would like to use some photo from a government website for my questionnaire. But, different photo is from the different owner. So, should I just get permission from that government body or still...
23 February 2021 1,631 3 View
I use 1% BSA in 10 mM phosphate buffer (pH 7.4) solution when striping my nitrocellulose membranes with antigens and antibodies. However, I always observe deformed flow when my sample or running...
16 February 2021 4,224 3 View
There are contradictory research papers about the correlation between meteorological parameters and incidence of COVID-19 in some countries worldwide. Is there correlation between the...
15 February 2021 5,806 2 View
Good Evening, My name is David Marshall and I am Doctor of Management Student at Colorado Technical University Online. I just recently received approval from the IRB to start data collection on...
08 February 2021 346 7 View
Whether L version and D version peptides should have identical NMR, especially in the state of self-assembly have to have identical NMR? How to use HRMS to confirm L version or D version...
01 February 2021 6,756 4 View
Hi, I am using a mix of 2 polymers and want to try and crosslink them. I have a UVA lamp of 365nm and have tried the lab previously at 30cm above. How would you recommend I approach the lab and...
31 January 2021 8,711 3 View
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27 January 2021 7,974 3 View
I am exploring up-to-date books on air pollution and air quality, and I would like to know which books do you recommend for environmental engineering students.
25 January 2021 3,972 7 View
03 March 2021 8,272 1 View
Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...
01 March 2021 2,027 2 View
Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...
24 February 2021 9,902 5 View
Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...
22 February 2021 4,032 4 View
What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.
22 February 2021 1,515 1 View
In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...
21 February 2021 1,864 2 View
Most of the data sets on the network only contain good information about the voltage and internal resistance of lithium batteries. The data of faulty battery is missing. Who can help me, I will be...
21 February 2021 8,659 1 View
Hello, I have read in a few publications that to extract total DNA from sputum samples, both bead beating and enzymes are used to disrupt the cells. Bead beating is supposed to be efficient in...
18 February 2021 3,360 2 View
Hi, all I am using some protocol for protoplast production from Fusarium graminearum (Fg), but I need them in a huge amount. Sometimes the protocol worked well but most of the time failed....
14 February 2021 2,286 4 View
A certain protocol we have developed requires the use of a Rocker/Rocking Shaker in which our dishes with cells are maintained in the incubator. The rocking is essential to the protocol but we...
09 February 2021 3,291 1 View