In recent years, peracetic acid (PAA) has gained a lot of attention as an alternative disinfectant to chlorine-based disinfectants in the water industry. Commercial PAA solutions contain both PAA and hydrogen peroxide (HP), and the degradation of HP is slower than PAA when it is used for disinfection. All previous toxicity studies have been based on commercial PAA, and variance in toxicity values have been observed due to different PAA:HP ratios. In this study, the ecotoxicity of pure PAA was studied, eliminating HP from the commercial PAA mixture using potassium permanganate. Ecotoxicity data were obtained by conducting a battery of ecotoxicity tests: bioassays using , and . The effect concentration (EC) of pure PAA was 0.84 (a 95% confidence interval of 0.78-0.91) mg/L for and 2.46 (2.35-2.58) mg/L for , whereas the lethal concentration (LC) was 0.74 (0.55-0.91) mg/L for . Compared to this, our previous study found that the EC values of commercial PAA towards and were 0.42 (0.41-0.44) and 1.38 (0.96-1.99) mg/L, respectively, which were lower than pure PAA, whilst the LC for was 0.78 (0.58-0.95) mg/L. These results showed that pure PAA was less toxic to the most commonly used aquatic species for toxicity tests compared to commercial PAA, except for .
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7400010 | PMC |
| http://dx.doi.org/10.3390/ijerph17145031 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Multi-crosslinking nanoclay/oxidized cellulose hydrogel bandage with robust mechanical strength, antibacterial and adhesive properties for emergency hemostasis.
J Colloid Interface Sci
April 2025
College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, Qingdao 266003, China. Electronic address:
Emergency bleeding presents significant challenges such as high blood flow and rapid hemorrhaging. However, many existing hemostatic bandages face limitations, including the uncontrolled release of hemostatic agents, insufficient mechanical strength, poor adhesion, and complex manufacturing processes. To address these limitations, we developed a multifunctional hydrogel bandage for emergency hemostasis using a one-pot synthesis method.
View Article and Find Full Text PDFFacile preparation of a hydrophilic Eu-based ratiometric fluorescent nanosensor for Cu ion detection and imaging in living cells.
Anal Methods
January 2025
Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430072, China.
In this work, a hydrophilic Eu-based ratiometric fluorescent nanosensor (PAAC-Eu) was developed for Cu ion detection in aqueous solutions and imaging in living cells. The sensor was prepared a simple one-step reaction at room temperature, leveraging the synergistic coordination of commercially accessible polyacrylic acid (PAA) and coumarin-3-carboxylic acid (CCAH) with Eu ions. PAAC-Eu was easy to disperse in aqueous media and exhibited two characteristic emission bands at 406 nm and 618 nm, respectively, upon excitation at 350 nm.
View Article and Find Full Text PDFAssociation between phenotypic age and mortality risk in individuals with obesity: a retrospective cohort study.
Front Public Health
December 2024
Department of Gastroenterology, First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian, China.
Objective: This study investigates the association between phenotypic age acceleration (PAA) and all-cause and cause-specific mortality in obese individuals.
Methods: Data were drawn from the National Health and Nutrition Examination Survey (NHANES) between 1999 and 2018, including 9,925 obese adults (BMI ≥ 30 kg/m). PAA, defined as phenotypic age exceeding chronological age, was assessed using clinical biomarkers.
Artificial Graphite-Based Silicon Composite Anodes for Lithium-Ion Batteries.
Nanomaterials (Basel)
December 2024
Department of Chemical, Biological and Battery Engineering, Gachon University, Seongnam-si 13120, Gyeonggi-do, Republic of Korea.
To develop an advanced anode for lithium-ion batteries, the electrochemical performance of a novel material comprising a porous artificial carbon (PAC)-Si composite was investigated. To increase the pore size and surface area of the composite, ammonium bicarbonate (ABC) was introduced during high-energy ball-milling, ensuring a uniform distribution of silicon within the PAC matrix. The physical and structural properties of the developed material were evaluated using several advanced techniques, including X-ray diffraction (XRD), transmission electron microscopy (TEM), and galvanostatic intermittent titration (GITT).
View Article and Find Full Text PDFFabrication and characterization of lactoperoxidase coated the modified graphene oxide-based nanocomposite for medical applications.
Int J Biol Macromol
February 2025
Institute of Biological and Chemical Systems - Functional Molecular Systems (IBCS-FMS), Kaiserstrasse 12, 76131 Karlsruhe, Germany. Electronic address:
Article Synopsis
- This study focuses on creating a new nanocomposite (GO-PAA-Cu-LP) for medical uses through a multi-step synthesis involving graphene oxide and polyacrylic acid.
- The research includes a variety of characterization techniques to analyze the nanocomposite, demonstrating that it retains about 73% of its reactivity even after 9 weeks of storage at low temperatures.
- The findings show that the modified GO-PAA-Cu-LP has enhanced selectivity against cancer cells, promoting apoptosis and cell cycle arrest compared to standard composites and lactoperoxidase alone.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!