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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

Mar 14, 2019

Molecular Macrolide Resistance Assay Shows Promise for Point-of-Care Use

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The test can detect resistance to two of the most commonly prescribed antibiotics used to treat strep throat, and could potentially be adapted for point-of-care use.

Mar 13, 2019

Quantabio Pairs Rapid Thermal Cycler, Proprietary Reagents for Fast NGS Library QC

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The company is developing dedicated product lines for next-generation sequencing that incorporate a thermal cycler capable of 35-minute PCR.

Mar 07, 2019

NCI Develops High-Throughput, Low-Cost Sequencing Assay for HPV Research

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The assay has been developed for research purposes, as a higher-throughput and lower-cost alternative to similar commercially available tests.

Feb 22, 2019

Bio-Rad Expects Expansion of Clinical ddPCR System Menu With FDA Clearance

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The firm plans to add more oncology tests, NIPTs and newborn screening assays through in-house development and partnerships with third-party assay makers.

Feb 21, 2019

SAW Diagnostics Developing Acoustic Sample Prep Technology for Point-of-Care MDx

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The firm's technology can perform in-droplet centrifugation, 10-second cell lysis, and sound wave-based PCR on the surface of an inexpensive polymer chip.

Feb 20, 2019

Stilla Technologies Launches High-Throughput Digital PCR Chip, Plans Six-Color System

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The new chip enables the firm's digital PCR system to test up to 240 samples per day, and also uses lower volumes of sample input. 

Feb 15, 2019

Purdue Spinout OmniVis Commercializing Smartphone-Based Cholera Test

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OmniVis is developing the assay for cholera detection in environmental samples while the lab that created it is working toward a paper-based HIV test.

Feb 08, 2019

U Maryland Researchers, Vaccine Maker Sanaria Collaborate on Plasmodium Sequencing Study

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New funding will support genome-wide studies to uncover loci conferring immunity to a live-attenuated Plasmodium vaccine.

Jan 24, 2019

RiboMed Expands Epigenetic Testing From Oncology to Endometriosis

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The firm also continues to use its methylation-specific PCR technology to develop assays for partners in the oncology space.

Jan 18, 2019

Curetis Subsidiary Ares Ramping Up NGS Antibiotic Resistance Testing Business

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New funding will support assay development and lab space to offer test services, and ultimately a test kit using the firm's resistance database.

The Scan

Push for Predictive Genetic Tests

Matt Hancock, the UK health secretary, is calling for the swift rollout of predictive genetic tests, the Guardian reports.

Gene-Editing Registry Proposed

A WHO panel is calling for a global registry of human germline gene-editing projects, according to Stat News.

Sneaking Out of the Lab

Vox writes that lab mishaps involving pathogens are quite common.

This Week in Genome Biology

In Genome Biology this week: analysis of wild and cultivated peach genomes, Hi-C-based pipeline for assembling microbial genomes from metagenomic data, and more.

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