Hi,
Does anyone with experience with coupling two amine reactive handle using DST(disuccinimidyl tartrate)? I always get inconsistent and poor yield from that.
Thanks
This can be tricky, especially at the oxidation stage. Have a look at the links, and the citations therein.
https://tools.thermofisher.com/content/sfs/manuals/MAN0011282_DST_UG.pdf
https://www.thermofisher.com/order/catalog/product/20589
Thanks for all your reply, I will look into it.
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
Hi, Recently I was running VASP to calculate the spontaneous polarization of my alloy structure. I followed the instructions in this PDF wrote by Dr. Nabin (Nabaraj) Pokhrel, below is my INCAR...
07 August 2024 486 5 View
I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...
31 July 2024 2,033 1 View
What exactly is Retrieval Augmented Generation for Large Language Model doing? Isn’t it data engineering?
30 July 2024 7,376 3 View
After a lot of feature engineering for click-through rate modeling, it feels like it's basically the end of iteration? I mean, it's not cost-effective to keep doing it?
29 July 2024 4,955 0 View
all math can be traversed by code? all math can be translate to code?
26 July 2024 9,530 0 View
Am trying to develop a lesson/lab to determine and compare antioxidant properties of soybeans of various colors. Preference would be low tech and low cost. Any assistance is greatly appreciated.
25 July 2024 7,498 2 View
In running two-dimensional gel electrophoresis on bacterial protein, some spots that appear to match a protein sequence have a significantly more acidic isoelectric point than the calculated pI....
24 July 2024 8,076 3 View
Their is new research published in the biological control journal, and I am one of the authors. I want to add it to my account at researchgare. How can I do this?
21 July 2024 7,545 0 View
I have read that it is better to use other research methods alongside document analysis for triangulation, although it can also be used as a stand-alone method.
18 July 2024 4,218 0 View
Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
11 August 2024 3,770 4 View
I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...
08 August 2024 8,329 0 View
After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...
05 August 2024 9,637 2 View
Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...
05 August 2024 6,247 3 View
I'm fairly new to making homemade comp cells and have done so with some mild success. What is generally an acceptable way of resuspending comp cells during wash steps? I've been told to swirl the...
31 July 2024 8,309 0 View
Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...
29 July 2024 7,198 9 View
I am doing research on wear mechanism of the additive manufactured metal parts under dry condition. Please share the reference to start the analytical modelling of the wear prediction.
29 July 2024 6,115 0 View
I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...
28 July 2024 2,979 1 View
I have multiple small samples of grass pollen with anthers. I want to find a method to identify concentrations of proteins, lipids, and other various elements for these samples. any suggestions?
28 July 2024 5,331 1 View
PeptiCloud (www.pepticloud.com) is a bioinformatic platform that allows researchers to organize and share their data for their projects as well as collaborate with others in one place. Through...
28 July 2024 4,762 2 View