Madeleine Johnson
Madeleine covers PCR, nucleic acid amplification, and sample prep technologies for GenomeWeb and 360Dx.
Articles Authored by Madeleine Johnson
Global organizations are calling for an increase in diagnostic tests — particularly point-of-care molecular assays — to meet the challenge of a new outbreak.
Bio-Rad Laboratories Q2 Revenues Decline 6 Percent, Firm Lowers Full-Year Outlook
Bio-Rad is expecting a decline in revenues for the full year due to a slower pace of recovery among customers of its core businesses.
QuidelOrtho Q2 Revenues Dip 4 Percent as Firm Beats Revenue, EPS Estimates
The San Diego-based in vitro diagnostics company plans to reduce its real estate footprint by selling facilities in California and New Jersey.
The firm announced its four-year plan on Monday during an analyst day event held at the New York Stock Exchange.
Momentum Builds for Amplification-Free Molecular Diagnostics, but Significant Hurdles Remain
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New systems to directly detect nucleic acids from patient samples are on the horizon, but still fall short of gold standard amplification-based techniques and likely face a difficult regulatory path.
CDC Launches Influenza A Wastewater Surveillance Dashboard
The dashboard is intended to provide information about flu A levels based on molecular wastewater testing and is also incorporated into the agency's H5N1 monitoring strategies.
Verily Team Finds H5 Avian Flu Subtype in Wastewater as Expanded CDC Surveillance Plan Takes Shape
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The Alphabet health technology company found bird flu in Texas sewage, but CDC is not currently planning to monitor this pathogen.
QuidelOrtho Suspends Guidance After Lowering Full-Year Expectations on COVID, Savanna MDx Platform
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The firm said it expects to reinstate guidance and reschedule its Investor Day at some point this year as new CEO Brian Blaser continues to assess the business.
Bio-Rad Laboratories Maintains Full-Year Guide Despite Life Science Q1 Revenue Decline of 25 Percent
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The firm expects sales in its clinical diagnostics business to offset declines in life sciences related in part to lower instrument sales.
Qiagen Q1 Revenues Dip 5 Percent, Exceeding Analyst Estimates
In its diagnostics business, declining sales of its NeuMoDx systems were offset by growth in QiaStat-Dx and QuantiFeron tuberculosis testing.