Zachary T. Kralles, PhD
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zacharykralles.bsky.social
Zachary T. Kralles, PhD
@zacharykralles.bsky.social
Postdoc @ Johns Hopkins
Environmental Engineer x 3
DBPs | Env Chem | qNTA
I don’t trust people that “don’t like the Beatles”
May 2, 2025 at 12:05 PM
I know I’ve been looking at compound discoverer too long this week because I had several dreams about FISh scoring last night
April 30, 2025 at 6:37 PM
April 5, 2025 at 7:07 PM
Looking forward to the 2025 Gordon Research Conference on Water Disinfection, Byproducts & Health (7/27-8/1) at Mount Holyoke College! Get your applications in.

🔗 GRC: grc.org/water-disinf...

#Water #DisinfectionByproducts #DBPs #OpportunisticPathogens #PublicHealth
2025 Water Disinfection, Byproducts and Health Conference GRC
The 2025 Gordon Research Conference on Water Disinfection, Byproducts and Health will be held in South Hadley, Massachusetts. Apply today to reserve your spot.
grc.org
April 3, 2025 at 12:49 PM
Anyone else having issues accessing CFM-ID recently ? #massspec
April 1, 2025 at 5:14 PM
Enjoying the Cherry Blossoms in DC! Happy spring!!!
March 29, 2025 at 7:21 PM
My son, Wilson, and I on our walk today in sunny Baltimore.
March 23, 2025 at 2:13 AM
Toured WSSC Western Branch today !
March 19, 2025 at 4:35 PM
QuEChERS extraction on kale
March 15, 2025 at 1:44 AM
Tomorrow
March 7, 2025 at 1:41 AM
This is making me sick to my stomach
March 5, 2025 at 2:41 AM
Reposted by Zachary T. Kralles, PhD
Hello Buffalo friends! It’s rally for science time! March 7, 2-6PM, Niagara Square! Sign up below and please spread the word!

www.eventbrite.com/e/stand-up-f...
Stand Up For Science, Buffalo!
On March 7, 2025, we rally to defend science as a public good and pillar of social, political, and economic progress.
www.eventbrite.com
February 24, 2025 at 7:22 PM
I’m really excited about this project I’ve been working on in collaboration with the FDA and EPA. I’m developing qNTA methods to look at pesticide residues in various food matrices.
February 21, 2025 at 10:59 PM
Reposted by Zachary T. Kralles, PhD
Excited our paper doi.org/10.1021/acse...

was selected for a 2023 ACS ES&T Water Best Paper Award! doi.org/10.1021/acse...

This was a field study during COVID that couldn't have been done without the help of our families who could travel with team members to sample waters and sediments!
Determination of the Antibiotic and Antibiotic Resistance Footprint in Surface Water Environments of a Metropolitan Area: Effects of Anthropogenic Activities
This study investigated geospatial distributions of antibiotics and antibiotic resistance genes (ARGs) in surface waters and their associations with anthropogenic activities. During July–October 2020,...
doi.org
December 13, 2024 at 3:07 PM
It begins!!!! I have 60 drinking water extracts running from around the U.S. Working on a nontarget analysis for large-DBPs.
November 26, 2024 at 8:55 PM
Wake up babe, new DBP dropped
November 23, 2024 at 12:09 AM
I’ve been sitting idle over here for a year but I think it’s time to join the mass exodus from X
November 22, 2024 at 5:19 PM
Reposted by Zachary T. Kralles, PhD
In SCIENCE this week, Julian Fairey and collaborators (including @krismcneill.bsky.social) solve an enduring analytical mystery, pinpointing [Cl-N-NO2]- as a by-product of water treatment by chloramine.

🧪chemsky

This one was @michaelafunk.bsky.social’s

www.science.org/doi/10.1126/...
Chloronitramide anion is a decomposition product of inorganic chloramines
Inorganic chloramines are commonly used drinking water disinfectants intended to safeguard public health and curb regulated disinfection by-product formation. However, inorganic chloramines themselves...
www.science.org
November 21, 2024 at 7:52 PM