There’s no doubt about it: forensics is at the front line of the criminal justice system. It’s where analytical chemistry has the power to fight crimes. It’s fascinating! But what excites me is how quickly things change and the speed of innovation. Just think about...
Tags
An overview: LC-MS analysis of targeted protein degraders and their metabolites
Targeted protein degraders (TPD) are a relatively new therapeutic modality that opens the potential to target disease-causing proteins. These disease-causing proteins have been highly challenging for traditional small-molecule therapeutics to treat, making TPDs an exciting new therapeutic modality.
Guide decisions during cell line development with more information at the intact level
Monitoring product quality attributes (PQAs) throughout monoclonal antibody (mAb) development is vital to ensuring drug safety and efficacy. By adopting orthogonal analytical techniques and integrating new technologies that have the potential to provide more information, it is possible to improve product quality and manufacturing efficiency and make more informed decisions.
Processing ZenoTOF 7600 system data with DIA-NN software
DIA-NN software is a powerful software tool for processing data independent acquisition (DIA) proteomics datasets. It uses neural networks and other algorithms to identify and quantify peptides and proteins from DIA data and is specifically optimized for fast...
Meat vs plant based. What is the best option?
As we become more conscious about the planet, healthier lifestyles and our duty to protect the environment, attitudes and behaviours are shifting when it comes to food consumption.
How is the protein level fold-change computed on proteomics data using Assembler app?
With bottom-up proteomics, we quantify peptides in the sample and then infer the protein level quantitation from that data. However, due to post-translational modifications, different protein isoforms, etc. we don’t always expect that all peptides associated with the...
Computing protein confidence with improved accuracy by reassessing peptide confidence during protein grouping
ProteinPilot software 4.0 and higher releases include a new method for calculating protein confidences that improves reliability at the end of protein lists. Figure 1 shows a simulated example that demonstrates how more accurate protein confidence is computed. Figure...
Intabio acquisition expands SCIEX portfolio of impactful solutions to accelerate biotherapeutic development
Due to the nature of their production, biotherapeutics are difficult to manufacture. Growth conditions, purification protocols and formulation requirements can introduce unintended modifications into the protein structure that may affect its efficacy and safety.
Breaking down the SCIEX Triple Quad™ 7500 LC-MS/MS System – QTRAP® Ready
Sensitivity and robustness carry different meanings in the world of mass spectrometry. Generally, sensitivity refers to an instrument’s ability to achieve lower limits of detection (LOD). Robustness, on the other hand, refers to an instrument’s ability to consistently...
The honey sting
As a consumer it’s hard for me not to feel inundated with claims that our food is “all-natural” or “chemical-free” or that we should buy certain “superfoods” for their health benefits. We read labels and trust that the product we are buying is what we are truly...
Innovation that’s blasting through limitations in explosive detection
Mass spectrometry’s important role in identifying explosives The need for rapid explosive detection is now an unfortunate reality. The remit is multifaceted. The first is for preventative purposes, to protect us from any threat to life. The second is in the...
10 Minutes in One Shot. That’s How Quickly You Can Screen 664 Forensics Compounds
Drug testing is a moving target. As novel psychoactive substances (NPS) rapidly emerge as a new class of designer stimulants (DS), global use has reached an all-time high over the last decade. Supposedly ‘legal’ alternatives to internationally controlled drugs, these...
Turbocharge THC-COOH Hair Analysis with Super Sensitive LC-MS/MS and Solid Phase Extraction
Do you want a more efficient workflow for the forensic analysis of THC-COOH in hair samples? Yes! Do we know a simple, highly sensitive technique? You bet! Read on to find out how you can detect THC-COOH in hair down to 0.2 pg/mg trace concentration levels with...
Fast Novel Psychoactive Substance Testing, At Your Fingertips
Why Dried Blood Spot Analysis Is the Way to Go for Novel Psychoactive Substances(And Why You Need This SCIEX LC-MS/MS Method) Anyone with children will remember that moment in the hospital when the nurse pricks the heel of your tiny new baby to squeeze out a few drops...
Take 5 with Dan Blake – 5 Minutes, 5 Questions on the World of Clinical Mass Spec
We would like to formally (or informally) introduce the new SCIEX Clinical Diagnostics blog series entitled, Take 5. Every couple of months we will ask a member of our team to answer five questions and share their responses in a format you can read in five minutes. We...
The Technology Behind Safe, Legal Cannabis
The Third in a Three-Part Series Part 1: Cannabis is Legal in Canada - How Did We Get Here? Part 2: Canada's Focus on Cannabis Quality and Safety Intensifies Welcome to the third in a series of blogs from the cannabis team at SCIEX, designed to bring you up to speed...
What is Multi Attribute Methodology (MAM)?
Q&A with Sean McCarthy Global Market Manager, Biologics, SCIEX MAM is an acronym for Multiple Attribute Method. In short, MAM is a method which may be applied for characterization of a biotherapeutic to understand its sequence, identify liabilities, identify...
New Methods for N-Glycan Sequencing Provide Structural Information in as Little as 1 Hour
As interest in N-glycan analysis grows within the biopharma industry, innovation continues allowing analyses to be done in less time with fewer and less tedious, sample preparation steps. One of these recent innovations was the release of the SCIEX Fast Glycan...
When Chiral Separation Turns Tricky: The Story Behind CESI-MS in Forensic Chiral Analysis
Against a backdrop of rapid growth, chirality plays a major role in the synthesis of drugs in both pharmaceutical and illicit drug development. In fact, more than half of the drugs currently in use are chiral compounds, available as either racemates or pure...
Cannabis is Legal in Canada – How Did We Get Here?
The First in a Three-Part Series Welcome to the first in a series of blogs from the cannabis team at SCIEX, designed to bring you up to speed and put you in the lead of the recently legalized cannabis market in Canada. The Canadian cannabis market has taken the plunge...
3 Dicamba Analysis Questions You Need to Ask Yourself Today
We blinked and the last two years went in a flash. It seems like just yesterday, the Dicamba herbicide controversy hit the headlines in 2016 and the EPA set the regulations to expire in two years. Fast forward to today. Dicamba is an acid herbicide used to kill...
Don’t Be a Food Scandal Scapegoat. Fight Back with LC-MS/MS for Your Meat Authenticity Testing
The infamous horsemeat scandal of 2013 shined a spotlight on the questionable integrity of our meat supply. What followed was a lengthy investigation as the extent of the scandal unraveled before our eyes, reaching far beyond the European borders...
It’s Time to Turn Things Around―Faster and Accurate Mass Analysis of Organic Explosives
Sadly, the world is a volatile place. The threat of organic explosive use by terrorists and criminals is very much with us, posing a significant danger to people worldwide. The rising concern for public safety is a top priority for national security organizations...
Push Your Research to the Cutting Edge: 2018 Global CESI-MS Symposium
There are a lot of conferences vying for your attention every year. The Global CESI-MS Symposium on October 10-11 in the Netherlands is one you can’t afford to miss. It is the place to hear about the latest advancements made through the adoption of CESI-MS...
Break the routine: SCIEX OS-MQ improves your quantitation workflows
Advances in today’s technology have resulted in a need for higher and faster sample throughput, with increasing number of measured analytes per sample. The new SCIEX OS-MQ software breaks the routine and takes quantitation workflows to a new level. Key features...
Stop Fumbling Around in the Dark: Try LC-MS/MS for Designer Drugs in Forensic Samples
Imagine being blindfolded, sent into a large (dark) room filled with obstacles and challenged to find an item, but you don’t know what that item is, and you have never seen it before. Then you must do the same again the next day, but you are looking for a different...
Something’s in the Water: Tackle Your PFAS Analysis
Exposure to per- and polyfluoroalkyl substances (PFAS) residues could be dangerous. These chemicals have been linked to a variety of adverse health effects including liver damage, thyroid disease, decreased fertility, high cholesterol, obesity, hormone suppression,...
5 Reasons Why Mass Spec is Transforming Clinical Labs
According to the American Clinical Laboratory Association, more than 7 billion clinical lab tests are performed in the U.S. every year. While mass spectrometry represents only a fraction of the clinical applications, there are a growing number of tests where mass...
Save Effort. Save Time. Consolidate Your BioTherapeutic Quality, Safety, and Efficacy Assessments with One Direct LC-MS MAM Assay.
In a previous blog, we learned how you could Simplify Your Life with a Streamlined Workflow for Multiple Attribute Methodology (MAM). Based on the well-known technique of peptide mapping, a Liquid Chromatography-Mass Spectrometry-based MAM workflow (LC-MS MAM) enables...
Metabolism and Biotransformation – What Are You Missing?
Are you looking to improve your MetID studies? Want to achieve the productivity and throughput you need to keep your projects moving and have complete confidence that you’re not missing any low level or parent-like metabolites in your sample? In this blog, we’re...
Biologics Characterization: Intact and Subunit Mass Analysis
When All You Need Is Range – Mass Range, Dynamic Range, and the Complete Range Launching the best possible product in the shortest time possible is key for pharmaceutical companies like you. As you know, nearly every process throughout the biologics development cycle...