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Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests
Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests
6PPD, a tire preservative, reacts with ozone to produce a compound that the researchers say may be responsible for large die-off events.
Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests
Q&A: Tire Rubber Preservative Harms Coho Salmon, Study Suggests

6PPD, a tire preservative, reacts with ozone to produce a compound that the researchers say may be responsible for large die-off events.

6PPD, a tire preservative, reacts with ozone to produce a compound that the researchers say may be responsible for large die-off events.

toxicity
Disturbed Microbes Contribute to Lung Damage from Oxygen Treatment
Ruth Williams | Aug 12, 2020 | 3 min read
In humans, higher oxygen levels during ventilation are tied to an altered bacterial composition in the lungs, and mouse experiments show a causative link.
Activities Discovered for Some Inactive Drug Ingredients
Ruth Williams | Jul 23, 2020 | 4 min read
Screens of hundreds of drug excipients reveal that some can interact with biological targets, contradicting their FDA categorization as inert.
 Learn how excessive oxygen availability during cell culture causes abnormal cell behavior 
What Oxygen Level Is Biologically Relevant For Cell Culture?
Thermo Fisher Scientific | 1 min read
Normoxic atmospheric conditions provide excessive oxygen availability, leading to abnormal cell behavior.
Infant Monkeys Died in Accidental Poisoning at UC Davis Lab
Catherine Offord | Jun 18, 2019 | 2 min read
The seven primates came into contact with a dye that was used on their mothers, documents reveal.
AI mice in labs
Opinion: AI Beats Animal Testing at Finding Toxic Chemicals
Thomas Hartung | May 1, 2019 | 3 min read
Machine learning could be the key to reducing the use of animals in experiments.
800x560-nov-23-2021
A Guide for High-Throughput Screens with Pluripotent Stem Cells
The Scientist Creative Services Team in collaboration with Miltenyi Biotec | 1 min read
Experts discuss reliable high-throughput workflows for PSC-derived cellular screens
a beagle in a cage
Humane Society Successfully Campaigns to End Pesticide Test on Dogs
Shawna Williams | Apr 8, 2019 | 3 min read
After the release of an undercover investigation, Corteva Agrisciences announces it will release 36 beagles for rehoming.
removing chemotheraphy drugs
Mopping Up Excess Chemotherapy Drugs
Ruth Williams | Apr 1, 2019 | 2 min read
A prototype in-vein device would collect toxic medications before they reach healthy tissues.
Undone Proteins Take Out Bladder Cancer
Roni Dengler, PhD | 3 min read
An unfolded protein found in human milk shows promise in early clinical trials to treat bladder cancer.
removing chemotherapy drugs infographic
Infographic: Medication Mop-Up
Ruth Williams | Apr 1, 2019 | 1 min read
Researchers have developed a prototype device to filter excess chemotherapy medication from the bloodstream.
Industry-Funded Pesticide Data Problematic, Study Shows
Anna Azvolinsky | Nov 27, 2018 | 5 min read
Scrutinizing a company’s study on a widely used pesticide, chlorpyrifos, academic researchers find shortcomings in analyses and public disclosures of results.
US EPA’s Chemical Assessment Guide Creates Contention
Sukanya Charuchandra | Aug 16, 2018 | 2 min read
Scientists and advocacy groups criticize new guidelines that could exclude some academic studies during toxicity reviews.
Software-Based Chemical Screen Could Minimize Animal Testing
Anna Azvolinsky | Jul 13, 2018 | 4 min read
Researchers develop a machine-learning tool for toxicity analyses that is more consistent in predicting chemical hazards than assays on animals.
How Toxic is the World’s Most Popular Herbicide Roundup?
Katarina Zimmer | Feb 6, 2018 | 9 min read
Glyphosate, the active ingredient in Roundup, is designed to be toxic to plants, but scientists observe some untoward effects on animals in the lab. 
Animal-Free Toxicity Testing
Anna Azvolinsky | Jan 26, 2016 | 4 min read
Scientists debut a system that can quickly test the toxicity of thousands of compounds in vitro.
BBC Cameras Capture Dolphin High?
Jef Akst | Jan 2, 2014 | 1 min read
A new, two-part TV series to be aired on BBC1 includes video of dolphins playing with toxic puffer fish—possibly to get intoxicated.
Next Generation: Cancer Drug in Disguise
Kate Yandell | Nov 5, 2013 | 3 min read
Researchers develop a strategy for rendering a toxic drug harmless—until it encounters a pair of enzymes that signals cancer cells are nearby.
Opinion: Toxicants and the Brain
Philippe Grandjean | Jun 17, 2013 | 3 min read
Investment in brain research should aim at protecting the brains of the future from harmful environmental pollutants.
BRET Meets FRET
Ruth Williams | May 1, 2013 | 3 min read
Scientists create biocompatible, self-luminescing nanoparticles for in vivo imaging.
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