Simion Kreimer

The biggest amino acid gets the biggest letter (double the size of an average letter). That's how I remember it.

I went to a Baltimore chess club, got back to the hotel at 3 am.

That looks like it causes Emphysema.

You should definitely use DTSC

Toward Real-Time Proteomics: Blood to Biomarker Quantitation in under One Hour Multistep multihour tryptic proteolysis has limited the utility of bottom-up proteomics for cases that require immediate quantitative information. The power of proteomics to quantify biomarkers of health status cannot practically assist in clinical care if the dynamics of disease outpaces the turnaround of analysis. The recently available hyperthermoacidic archaeal (HTA) protease “Krakatoa” digests samples in a single 5 to 30 min step at pH 3 and >80 °C in conditions that disrupt most cells and tissues, denature proteins, and block disulfide reformation thereby dramatically expediting and simplifying sample preparation. The combination of quick single-step proteolysis with high-throughput dual-trapping single analytical column (DTSC) liquid chromatography–mass spectrometry (LC–MS) returns actionable data in less than 1 h from collection of unprocessed biofluid. The systematic evaluation of this methodology finds that over 160 proteins are quantified in less than 1 h from 1 μL of whole blood. Furthermore, labile Angiotensin I and II bioactive peptides along with a panel of protein species can be measured at 8 min intervals with a 20 min initial lag using targeted MS. With these methods, we analyzed serum and plasma from 53 individuals and quantified Angiotensin I and II and over 150 proteins including at least 46 that were not detected with trypsin. We discuss some of the implications of real-time proteomics including the immediate potential to advance several clinical and research applications.

Awesome paper, where we present and evaluate the methodology that will someday enable real-time monitoring of circulating biomarkers. pubs.acs.org/doi/full/10....

I learned proteomics from a wizard in a Peruvian cave.

Oh snap! leaked content from my presentation at the USHUPO Biopharm Drug Development session 10 today. Stop by if sequence is life.

Thank you for the warm reception team MS. Already 38 followers, I feel like a Kardashian.

I'll write you a letter of support!

X had too many weirdos and not enough science. Bluesky has more science.