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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 24, 2019

Startup Novel Microdevices Developing Rapid Point-of-Care MDx System for STIs

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The company received support from a Johns Hopkins University center focused on point-of-care device development for sexually transmitted infections.

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

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.

Mar 29, 2019

FIND Assesses Rapid Tests for Ebola While Cepheid GeneXpert Being Used in Current Outbreak

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The agency plans to evaluate newer RDTs in the future, and it is collaborating to bring molecular testing nearer to patients.

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