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Madeleine Johnson

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mjohnson@genomeweb.com
Madeleine Johnson at Genomeweb / 360dx Madeleine Johnson at Genomeweb / 360dx

Madeleine covers PCR, nucleic acid amplification, and sample prep technologies for GenomeWeb. 

Articles Authored by Madeleine Johnson

May 09, 2019

Arc Bio Introduces Sample-to-Answer RUO NGS Kit for Transplant Viruses; Beta Users Report Data at CVS

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The company plans to take a tiered approach to assay development, targeting its first test to 10 viruses commonly detected in transplant patients.

May 06, 2019

Hologic Introduces Upgrades to Panther MDx System, Touting Scalability, Flexibility

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The upgrades include a method to connect Panther systems to create a higher-throughput system that can be configured to different footprints.

May 02, 2019

Meridian Biosciences Expects MDx Business Rejuvenation With GenePOC Acquisition

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Cincinnati, Ohio-based Meridian will acquire Quebec City-based GenePOC for $120 million, and hopes to quickly convert customers to a PCR-based instrument.

Apr 30, 2019

Malaria Test from Eiken Chemical Detects Less-Diagnosed Species

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The test for P. vivax-associated malaria was developed with support from FIND and will be distributed by Human Diagnostics Worldwide.

Apr 30, 2019

Aldatu Biosciences Developing Lassa Fever Diagnostic

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The developer of assays to detect drug-resistant strains of HIV has now branched into Lassa detection, and will potentially be seeking instrument partners.

Apr 30, 2019

Study of Luminex GI Panel in Children Reveals Salmonella Detection Issue

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Luminex has since fixed the problem with a software update but a similar issue with non-specific amplification has also affected two targets on BioFire's GI panel. 

Apr 26, 2019

FDA Clearances of Three GenMark BCID Panels Paves Way for Customizable Approach to Sepsis MDx

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The company has split bloodstream infection testing into three multiplex panels that can detect a total of 56 pathogen targets and 10 markers of antimicrobial resistance.

Apr 18, 2019

Progenity Launches Prenatal Monogenic Disease Screen, Develops New Test Technologies

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The new assay is part of the company's prenatal and women's health offerings, but it is also developing a preeclampsia test and technology for gastrointestinal testing.

Apr 05, 2019

Patia Marketing Diabetes Risk Test Including Polygenic Risk Score, Personalizable Prevention App

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The assessment incorporates different ethnic backgrounds, but debate continues among researchers on the utility of polygenic risk scores for diabetes.

Mar 22, 2019

Cannabis Testing Labs Adopt Molecular Methods as Throughput, Sample Diversity Skyrocket

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The number of US states legalizing cannabis for medical and recreational use is growing, expanding the market for pathogen detection solutions.

The Scan

Model of Discovery

University of Idaho researchers model the scientific discovery process to examine the link between reproducibility and scientific truth.

Subcommittee Calls for More Funding

A bill passed by a US House of Representatives appropriations subcommittee would give scientific agencies including the National Science Foundation boosts in funding.

Limit of Relevance

Relocating USDA agencies outside of Washington, DC, may make them less effective, critics of the move tell NPR.

This Week in PLOS

In PLOS this week: genes that help Borrelia burgdorferi survive in ticks, CiliaCarta collection of about 1,000 suspected cilia genes, and more.

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