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Polycyclic aromatic hydrocarbon biodegradation rates: a structure-based study.

• Kristine H. Wammer, Catherine A. Peters
• Environmental science & technology
• 2005

This study was designed to examine the role of molecular structure in determining the biodegradation rates of polycyclic aromatic hydrocarbons (PAHs). Laboratory experiments were performed in aqueous… (More)

Direct photochemistry of three fluoroquinolone antibacterials: norfloxacin, ofloxacin, and enrofloxacin.

• Kristine H. Wammer, Andrew R. Korte, Rachel A Lundeen, Jacob E Sundberg, Kristopher McNeill, William A. Arnold
• Water research
• 2013

Fluoroquinolone (FQ) antibacterial compounds are frequently detected in the aquatic environment, and photodegradation is expected to play an important role in FQ fate in some sunlit surface waters.… (More)

Oxidation of antibiotics during water treatment with potassium permanganate: reaction pathways and deactivation.

• Lanhua Hu, Amanda M Stemig, Kristine H. Wammer, Timothy J. Strathmann
• Environmental science & technology
• 2011

Recent work demonstrates that three widely administered antibiotics (ciprofloxacin, lincomycin, and trimethoprim) are oxidized by potassium permanganate [KMnO(4), Mn(VII)] under conditions relevant… (More)

Tetracycline photolysis in natural waters: loss of antibacterial activity.

• Kristine H. Wammer, Matthew T Slattery, Amanda M Stemig, Jayna L. Ditty
• Chemosphere
• 2011

Previous work has shown that tetracycline undergoes direct photolysis in the presence of sunlight, with the decomposition rate highly dependent on conditions such as water hardness and pH. The… (More)

Environmental photochemistry of tylosin: efficient, reversible photoisomerization to a less-active isomer, followed by photolysis.

• Jeffrey J. Werner, Mahati Chintapalli, Rachel A Lundeen, Kristine H. Wammer, William A. Arnold, Kristopher McNeill
• Journal of agricultural and food chemistry
• 2007

The environmental photochemical kinetics of tylosin, a common veterinary macrolide antibiotic and growth promoter, were investigated under simulated sunlight. An efficient, reversible… (More)

Environmental photochemistry of dienogest: phototransformation to estrogenic products and increased environmental persistence via reversible photohydration.

• Nicholas C Pflug, Madeline K Hankard, +5 authors Kristine H. Wammer
• Environmental science. Processes & impacts
• 2017

Potent trienone and dienone steroid hormones undergo a coupled photohydration (in light)-thermal dehydration (in dark) cycle that ultimately increases their environmental persistence. Here, we… (More)

Correction to Environmental Photochemistry of Altrenogest: Photoisomerization to a Bioactive Product with Increased Environmental Persistence via Reversible Photohydration.

• Kristine H. Wammer, Kyler C Anderson, +10 authors Edward P. Kolodziej
• Environmental science & technology
• 2016

Comment on "Photodegradation of sulfathiazole under simulated sunlight: Kinetics, photo-induced structural rearrangement, and antimicrobial activities of photoproducts" by Niu et al. [Water Research…

• Ethan Hain, Kristine H. Wammer, Lee Blaney
• Water research
• 2017

Recent efforts have employed antimicrobial susceptibility assays to describe the residual antimicrobial activity of antibiotics and their transformation products in a variety of environmental… (More)

Changes in antibacterial activity of triclosan and sulfa drugs due to photochemical transformations.

• Kristine H. Wammer, Timothy M LaPara, Kristopher McNeill, William A. Arnold, Deborah L Swackhamer
• Environmental toxicology and chemistry
• 2006

Sulfa drugs and triclosan represent two classes of antibacterials that have been found in natural waters and for which photodegradation is anticipated to be a significant loss process. Parent… (More)

A molecular modeling analysis of polycyclic aromatic hydrocarbon biodegradation by naphthalene dioxygenase.

• Kristine H. Wammer, Catherine A. Peters
• Environmental toxicology and chemistry
• 2006

A theoretical analysis was performed to examine the role of naphthalene dioxygenase (NDO) enzymes in determining differences in biodegradability and biodegradation rates of two- to four-ring… (More)

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