Society of Toxicology
@sotoxicology.bsky.social
Sharing toxicology news & topics for discussion as part of the Society of Toxicology’s commitment to creating a safer, healthier world by advancing the science.
Pinned
Put your smarts to the test! Every Tuesday, we’ll drop a new trivia question to challenge your knowledge and spark some curiosity. #ToxTriviaTuesday
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question:
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question:
The US EPA announced the availability a draft risk evaluation under #TSCA for Octamethylcyclotetrasiloxane (Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-) (D4) (CASRN 556-67-2). Comments are due December 2: www.federalregister.gov/documents/20...
Federal Register :: Request Access
Due to aggressive automated scraping of FederalRegister.gov and eCFR.gov, programmatic access to these sites is limited to access to our extensive developer APIs.
www.federalregister.gov
November 26, 2025 at 10:07 PM
The US EPA announced the availability a draft risk evaluation under #TSCA for Octamethylcyclotetrasiloxane (Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-) (D4) (CASRN 556-67-2). Comments are due December 2: www.federalregister.gov/documents/20...
A new opportunity has just been posted on the SOT Job Bank!
Position: Assistant/Associate Professor - AI-Driven Biomolecular Design, Biotechnology, and Computational Biology
Organization: Purdue University
Location: West Lafayette, Indiana, US
Full details 👉 jobbank.toxicology.org/job/assistan...
Position: Assistant/Associate Professor - AI-Driven Biomolecular Design, Biotechnology, and Computational Biology
Organization: Purdue University
Location: West Lafayette, Indiana, US
Full details 👉 jobbank.toxicology.org/job/assistan...
November 26, 2025 at 7:59 PM
A new opportunity has just been posted on the SOT Job Bank!
Position: Assistant/Associate Professor - AI-Driven Biomolecular Design, Biotechnology, and Computational Biology
Organization: Purdue University
Location: West Lafayette, Indiana, US
Full details 👉 jobbank.toxicology.org/job/assistan...
Position: Assistant/Associate Professor - AI-Driven Biomolecular Design, Biotechnology, and Computational Biology
Organization: Purdue University
Location: West Lafayette, Indiana, US
Full details 👉 jobbank.toxicology.org/job/assistan...
The NASEM Health and Medicine is seeking experts in public health risk assessment, toxicology, and more to participate in a new study that will review the 2025 Report on Carcinogens Handbook on Methods for Conducting Cancer Hazard Evaluations. Submit nominations by December 3:
Review of Methods in the Report on Carcinogens Handbook: Call for Experts.
survey.alchemer.com
November 26, 2025 at 5:44 PM
The NASEM Health and Medicine is seeking experts in public health risk assessment, toxicology, and more to participate in a new study that will review the 2025 Report on Carcinogens Handbook on Methods for Conducting Cancer Hazard Evaluations. Submit nominations by December 3:
A new opportunity has just been posted on the SOT Job Bank!
Position: Appointment Stream Assistant/Associate Professor
Organization: University of Pittsburgh
Location: Pittsburgh, Pennsylvania, United States (On-Site)
See full details 👉 jobbank.toxicology.org/job/appointm...
#SOTJobBank #NowHiring
Position: Appointment Stream Assistant/Associate Professor
Organization: University of Pittsburgh
Location: Pittsburgh, Pennsylvania, United States (On-Site)
See full details 👉 jobbank.toxicology.org/job/appointm...
#SOTJobBank #NowHiring
November 26, 2025 at 12:35 AM
A new opportunity has just been posted on the SOT Job Bank!
Position: Appointment Stream Assistant/Associate Professor
Organization: University of Pittsburgh
Location: Pittsburgh, Pennsylvania, United States (On-Site)
See full details 👉 jobbank.toxicology.org/job/appointm...
#SOTJobBank #NowHiring
Position: Appointment Stream Assistant/Associate Professor
Organization: University of Pittsburgh
Location: Pittsburgh, Pennsylvania, United States (On-Site)
See full details 👉 jobbank.toxicology.org/job/appointm...
#SOTJobBank #NowHiring
Recognizing that shifts in the government and economic landscapes have negatively impacted #SOTMembers, SOT Council is creating a Hardship Relief Temporary Endowment Fund to assist members who experienced and continue to experience interrupted employment: toxchange.toxicology.org/blogs/cynthi...
November 25, 2025 at 10:26 PM
Recognizing that shifts in the government and economic landscapes have negatively impacted #SOTMembers, SOT Council is creating a Hardship Relief Temporary Endowment Fund to assist members who experienced and continue to experience interrupted employment: toxchange.toxicology.org/blogs/cynthi...
The US EPA has postponed the virtual preparatory meeting for the Science Advisory Committee on Chemicals to consider the scope and clarity of the draft charge questions for the peer review of the draft risk evaluation of octamethylcyclotetrasiloxane (D4): www.federalregister.gov/documents/20...
Federal Register :: Request Access
Due to aggressive automated scraping of FederalRegister.gov and eCFR.gov, programmatic access to these sites is limited to access to our extensive developer APIs.
www.federalregister.gov
November 25, 2025 at 8:11 PM
The US EPA has postponed the virtual preparatory meeting for the Science Advisory Committee on Chemicals to consider the scope and clarity of the draft charge questions for the peer review of the draft risk evaluation of octamethylcyclotetrasiloxane (D4): www.federalregister.gov/documents/20...
Put your smarts to the test! Every Tuesday, we’ll drop a new trivia question to challenge your knowledge and spark some curiosity. #ToxTriviaTuesday
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question:
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question:
November 25, 2025 at 6:07 PM
Put your smarts to the test! Every Tuesday, we’ll drop a new trivia question to challenge your knowledge and spark some curiosity. #ToxTriviaTuesday
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question:
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question:
FINAL REMINDER: Volunteer for undergraduate student activities at the 2026 SOT Annual Meeting by Monday, December 1: toxchange.toxicology.org/blogs/checo-...
November 25, 2025 at 3:59 PM
FINAL REMINDER: Volunteer for undergraduate student activities at the 2026 SOT Annual Meeting by Monday, December 1: toxchange.toxicology.org/blogs/checo-...
A new opportunity has just been posted on the SOT Job Bank!
Position: Associate Director, Cell Biology and Analytical Pathology Functional Team Lead
Organization: BioMarin Pharmaceutical
Location: San Rafael, California, US (On-Site)
See full details 👉 jobbank.toxicology.org/job/associat...
Position: Associate Director, Cell Biology and Analytical Pathology Functional Team Lead
Organization: BioMarin Pharmaceutical
Location: San Rafael, California, US (On-Site)
See full details 👉 jobbank.toxicology.org/job/associat...
November 25, 2025 at 12:22 AM
A new opportunity has just been posted on the SOT Job Bank!
Position: Associate Director, Cell Biology and Analytical Pathology Functional Team Lead
Organization: BioMarin Pharmaceutical
Location: San Rafael, California, US (On-Site)
See full details 👉 jobbank.toxicology.org/job/associat...
Position: Associate Director, Cell Biology and Analytical Pathology Functional Team Lead
Organization: BioMarin Pharmaceutical
Location: San Rafael, California, US (On-Site)
See full details 👉 jobbank.toxicology.org/job/associat...
The US EPA proposed amendments to the #TSCA regulation for reporting and recordkeeping requirements for perfluoroalkyl and polyfluoroalkyl substances (PFAS). Comments are due December 29: www.federalregister.gov/documents/20...
Federal Register :: Request Access
Due to aggressive automated scraping of FederalRegister.gov and eCFR.gov, programmatic access to these sites is limited to access to our extensive developer APIs.
www.federalregister.gov
November 24, 2025 at 10:57 PM
The US EPA proposed amendments to the #TSCA regulation for reporting and recordkeeping requirements for perfluoroalkyl and polyfluoroalkyl substances (PFAS). Comments are due December 29: www.federalregister.gov/documents/20...
Discover how a fun Hamilton-inspired video from SOT member Angela Slitt’s lab sparked the launch of the new SOT TikTox Video Challenge—a light-hearted way to showcase the quirks of scientific life while helping humanize science and build community:
Challenge Issued: SOT to Explore the Lighter Side of Scientific Life
Ever been about to head out the lab door for the day when your PI stops you, wanting to work just a little longer? SOT member Angela Slitt’s lab took this common experience, set it to a song from Hamilton, and created 30 seconds of joy (watch now on the new SOT TikTok account).
toxchange.toxicology.org
November 24, 2025 at 9:31 PM
Discover how a fun Hamilton-inspired video from SOT member Angela Slitt’s lab sparked the launch of the new SOT TikTox Video Challenge—a light-hearted way to showcase the quirks of scientific life while helping humanize science and build community:
It’s time for something “Toxically Funny,” direct from the SOT Weekly Update delivered via email on Thursdays! #ToxicallyFunny
November 24, 2025 at 7:13 PM
It’s time for something “Toxically Funny,” direct from the SOT Weekly Update delivered via email on Thursdays! #ToxicallyFunny
In this clip from Adverse Reactions, Timothy Nurkiewicz, PhD, of West Virginia University explains how particulate matter can travel deep into the lungs and, in the case of nanoparticles, even beyond them. #LungCancerAwarenessMonth #Nanotoxicology www.youtube.com/shorts/NqnD3...
Tiny Particles Sneaking Into Your Lungs #LungCancerAwarenessMonth #AirPollution #Nanotoxicology
www.youtube.com
November 24, 2025 at 5:02 PM
In this clip from Adverse Reactions, Timothy Nurkiewicz, PhD, of West Virginia University explains how particulate matter can travel deep into the lungs and, in the case of nanoparticles, even beyond them. #LungCancerAwarenessMonth #Nanotoxicology www.youtube.com/shorts/NqnD3...
A new opportunity has just been posted on the SOT Job Bank!
Position: Tenure-Track Assistant Professor
Organization: The University of Tennessee Health Science Center
Location: Memphis, Tennessee, United States (On-Site)
See full details 👉 jobbank.toxicology.org/job/tenure-t...
Position: Tenure-Track Assistant Professor
Organization: The University of Tennessee Health Science Center
Location: Memphis, Tennessee, United States (On-Site)
See full details 👉 jobbank.toxicology.org/job/tenure-t...
November 21, 2025 at 11:34 PM
A new opportunity has just been posted on the SOT Job Bank!
Position: Tenure-Track Assistant Professor
Organization: The University of Tennessee Health Science Center
Location: Memphis, Tennessee, United States (On-Site)
See full details 👉 jobbank.toxicology.org/job/tenure-t...
Position: Tenure-Track Assistant Professor
Organization: The University of Tennessee Health Science Center
Location: Memphis, Tennessee, United States (On-Site)
See full details 👉 jobbank.toxicology.org/job/tenure-t...
#SOTFullMember Shaun McCullough @RTI_Intl received a Best Poster Award at the 14th Annual American Society for Cellular and Computational Toxicology Meeting:
Thanks to ASCCT - American Society for Cellular and Computational Toxicology for this award and a great 2025 Annual Meeting! I'm very happy and proud of the RTI Respiratory Toxicology...
Thanks to ASCCT - American Society for Cellular and Computational Toxicology for this award and a great 2025 Annual Meeting! I'm very happy and proud of the RTI Respiratory Toxicology Lab team for some great work on a very complex study! Erin Huber, Ryan Chartier, Hope Kellner, A. Clint Clayton, Dalton Kessans, Nyzera Washington, and Erin Piel
www.linkedin.com
November 21, 2025 at 9:21 PM
#SOTFullMember Shaun McCullough @RTI_Intl received a Best Poster Award at the 14th Annual American Society for Cellular and Computational Toxicology Meeting:
Get all the latest SOT news in the Weekly Update for November 20, 2025:
SOT Weekly Update 11-20-2025
This is the video format of the SOT Weekly Update for the week of 11-20-2025. View the newsletter here: https://societyoftoxicology.informz.net/informzdataservice/onlineversion/ind/bWFpbGluZ2luc3RhbmNlaWQ9MzQ5MzgyNiZzdWJzY3JpYmVyaWQ9N • TOP STORY: SOT Council Creates Hardship Relief Temporary Endowment Fund - https://toxchange.toxicology.org/blogs/cynthia-rider1/2025/11/20/sot-council-creates-hardship-relief-temporary-endo?CommunityKey=fc369e8b-e268-48fa-b276-8edd4ab68fb2 • TOP STORY: Challenge Issued: SOT to Explore the Lighter Side of Scientific Life - https://toxchange.toxicology.org/blogs/matthew-campen/2025/11/20/challenge-issued-sot-to-explore-the-lighter-side-o?CommunityKey=fc369e8b-e268-48fa-b276-8edd4ab68fb2 • “In Memoriam: Steven G. Gilbert” by Matthew Campen - https://toxchange.toxicology.org/blogs/matthew-campen/2025/11/20/in-memoriam-steven-g-gilbert?CommunityKey=fc369e8b-e268-48fa-b276-8edd4ab68fb2 • “In Memoriam: Timothy Marrs” by Matthew Campen - https://toxchange.toxicology.org/blogs/matthew-campen/2025/11/20/in-memoriam-timothy-marrs?CommunityKey=fc369e8b-e268-48fa-b276-8edd4ab68fb2
www.youtube.com
November 21, 2025 at 7:04 PM
Get all the latest SOT news in the Weekly Update for November 20, 2025:
SOT is pleased to share that childcare services will once again be offered during #2026SOT. Whether you’re attending Scientific Sessions or exploring the #ToxExpo, you can fully engage knowing your children are enjoying a safe, fun, and enriching experience: toxchange.toxicology.org/blogs/cynthi...
November 20, 2025 at 10:33 PM
SOT is pleased to share that childcare services will once again be offered during #2026SOT. Whether you’re attending Scientific Sessions or exploring the #ToxExpo, you can fully engage knowing your children are enjoying a safe, fun, and enriching experience: toxchange.toxicology.org/blogs/cynthi...
"Balancing Act: Vaping’s Effects on Cardiac Autonomic Function and Oral Microbial Health" is the title of a free #SOTWebinar on January 28, 2026, hosted by the SOT Inhalation and Respiratory Specialty Section: www.toxicology.org/groups/ss/IR...
November 20, 2025 at 8:08 PM
"Balancing Act: Vaping’s Effects on Cardiac Autonomic Function and Oral Microbial Health" is the title of a free #SOTWebinar on January 28, 2026, hosted by the SOT Inhalation and Respiratory Specialty Section: www.toxicology.org/groups/ss/IR...
#SOTFullMember Phoebe Stapleton @RutgersU received a 2025–2026 CEED Pilot Grant Award: www.linkedin.com/posts/rutger...
November 20, 2025 at 5:19 PM
#SOTFullMember Phoebe Stapleton @RutgersU received a 2025–2026 CEED Pilot Grant Award: www.linkedin.com/posts/rutger...
Recognizing the effects of the government shutdown on members and their work, SOT is extending the abstract submission deadline for the 2026 SOT Annual Meeting and ToxExpo for only federal government employees and contractors until December 13: toxchange.toxicology.org/blogs/james-...
November 19, 2025 at 11:47 PM
Recognizing the effects of the government shutdown on members and their work, SOT is extending the abstract submission deadline for the 2026 SOT Annual Meeting and ToxExpo for only federal government employees and contractors until December 13: toxchange.toxicology.org/blogs/james-...
On Oct 27, the Ad Hoc Group for Medical Research of which SOT is a member sent a letter to leaders of House & Senate Committees on Appropriations, urging them to provide a robust investment in the NIH as part of the FY 2026 Labor, Health & Human Services, Education, & Related Agencies spending bill:
Regulation and Policy Update: SOT Continues Support of Strong Budget for NIH in FY 2026
Throughout the year, SOT is approached by like-minded organizations to lend its support to varying issues and recommendations. This blog contains a summary of a recent action by SOT related to regulations and public policy.
toxchange.toxicology.org
November 19, 2025 at 9:24 PM
On Oct 27, the Ad Hoc Group for Medical Research of which SOT is a member sent a letter to leaders of House & Senate Committees on Appropriations, urging them to provide a robust investment in the NIH as part of the FY 2026 Labor, Health & Human Services, Education, & Related Agencies spending bill:
It’s time for something “Toxically Funny,” direct from the SOT Weekly Update delivered via email on Thursdays! #ToxicallyFunny
November 19, 2025 at 7:11 PM
It’s time for something “Toxically Funny,” direct from the SOT Weekly Update delivered via email on Thursdays! #ToxicallyFunny
A free #SOTWebinar will provide an overview of the Expanded Decision Tree (EDT), including recent progress in external validation efforts, outcomes from peer review, and more. Learn more and register: toxchange.toxicology.org/events/event...
November 19, 2025 at 5:31 PM
A free #SOTWebinar will provide an overview of the Expanded Decision Tree (EDT), including recent progress in external validation efforts, outcomes from peer review, and more. Learn more and register: toxchange.toxicology.org/events/event...
Breathing in wood smoke—even for a short time—can change the bacteria and immune cells in your lungs, finds study co-authored by #SOTMembers: news.unchealthcare.org/2025/11/unc-... via @UNC
UNC Researchers Uncover Wildfire Smoke’s Impact on Respiratory Health | Newsroom
Breathing wildfire smoke, even briefly, can change the bacteria and immune cells in your lungs, which may contribute to adverse health effects.
news.unchealthcare.org
November 18, 2025 at 11:13 PM
Breathing in wood smoke—even for a short time—can change the bacteria and immune cells in your lungs, finds study co-authored by #SOTMembers: news.unchealthcare.org/2025/11/unc-... via @UNC
Put your smarts to the test! Every Tuesday, we’ll drop a new trivia question to challenge your knowledge and spark some curiosity. #ToxTriviaTuesday
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question:
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question:
November 18, 2025 at 4:06 PM
Put your smarts to the test! Every Tuesday, we’ll drop a new trivia question to challenge your knowledge and spark some curiosity. #ToxTriviaTuesday
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question:
Leave your guesses in the comments and check back tomorrow to see if you guessed correctly!
This week's question: