Showing all posts
“Pesticides” is one of those terms that invokes a wide range of emotions in people. Some people smile when they think of the insecticides that keep their award-winning flower garden looking beautiful ...
Have you ever put your water sample onto your Biotage® Horizon 3100 extractor and all your prewet/conditioning steps worked great and then suddenly, the water inlet valve opens, and nothing happens! T...
As a chemist new to the peptide community, there are many choices that have to be made. Which coupling reagents to use? Heat or no heat to promote chemistry? And most importantly, which resin?
I have experimented a lot with disulfide rich peptides lately, finding conditions that work well for not only the linear synthesis, but also for on-resin cysteine oxidations. Although simple scaffolds...
More and more groups are exploring the utility of peptides with an ever widening variety of applications. And although peptides are getting cheaper to purchase outright, many groups are continuing to ...
In the past, when I have synthesized a new peptide, I always ran a “scout run” – a small scale injection, usually with an analytical HPLC column – to both get an idea of the crude purity and also to i...
You’ve just finished a peptide synthesis and now it’s time to cleave the peptide from the resin. You’ve selected a specific cleavage cocktail, performed the reaction and now what? The vast majority of...
Recently there has been substantial motivation to consider and evaluate alternative, more environmentally friendly solvents. Some countries have even gone so far as to ban some of the more toxic, yet ...
As the rules for cell permeability continue to be elucidated, peptides are increasingly being used to deliver either themselves or cargo to the cell’s interior. One thing is clear, increasing the over...
Have you ever wondered if there was a faster (and possibly cheaper) way to purify your peptides?