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The test uses levels of plasma amyloid-β to estimate the buildup of protein plaques in the brain.

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image: Mapping Brain Proteins

Mapping Brain Proteins

By Devika G. Bansal | February 1, 2018

Researchers are using souped-up mass spectrometry to localize proteins within brain cells.


image: 2017 Top 10 Innovations

2017 Top 10 Innovations

By The Scientist Staff | December 1, 2017

From single-cell analysis to whole-genome sequencing, this year’s best new products shine on many levels.

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image: Metabolomics Data Under Scrutiny

Metabolomics Data Under Scrutiny

By Ashley P. Taylor | September 15, 2017

Out of 25,000 features originally detected by metabolic profiling of E. coli, fewer than 1,000 represent unique metabolites, a study finds.


image: Quantitating Glycans for Biomarker Discovery

Quantitating Glycans for Biomarker Discovery

By Amanda Keener | August 28, 2017

Techniques for comparing the relative abundances of glycans and glycoproteins in clinical samples


image: Top 10 Innovations 2016

Top 10 Innovations 2016

By The Scientist Staff | December 1, 2016

This year’s list of winners celebrates both large leaps and small (but important) steps in life science technology.


image: Mass Spec Analysis of Protein Interactions

Mass Spec Analysis of Protein Interactions

By Jeffrey M. Perkel | October 1, 2016

Using the technique to study how RNA, DNA, lipids, and small molecules interact with proteins


image: Single-Cell Suck-and-Spray

Single-Cell Suck-and-Spray

By Ruth Williams | December 1, 2015

A nanoscopic needle and a mass spectrometer reveal the contents of individual cells.


image: Cracking the Complex

Cracking the Complex

By Jeffrey M. Perkel | November 1, 2015

Using mass spec to study protein-protein interactions


image: GC-MS Distorts Data?

GC-MS Distorts Data?

By Jef Akst | October 22, 2015

A study suggests that gas chromatography-mass spectrometry modifies or destroys sample compounds, but some are skeptical.


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