Article
Environmental Sciences
Christian M. Bako, Timothy E. Mattes, Rachel F. Marek, Keri C. Hornbuckle, Jerald L. Schnoor
Summary: The experiments showed that the aerobic PCB-degrading bacteria Paraburkholderia xenovorans LB400 can rapidly degrade most PCB congeners when they are freely dissolved in liquid, but cannot degrade PCB congeners with three or more chlorine substituents in sediment slurry. Using GC/MS-MS triple quadrupole spectrometry, the study distinguished between physical (sorption to cells) and biological removal mechanisms, and illuminated how microorganisms like LB400 can selectively transform lower-chlorinated congeners over time.
ENVIRONMENTAL POLLUTION
(2021)
Review
Environmental Sciences
Tyler J. Hannah, David Megson, Courtney D. Sandau
Summary: There is an increasing awareness of paints and pigments as a source of by-product PCBs in the environment. This review identified the presence of 149 different PCBs in paint samples, which is more than what has been reported in commercial Aroclor formulations. The study also provides valuable information on the mechanisms of PCB formation in pigments, dyes, and paints, as well as additional classes of pigments that are expected to contain PCBs.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Multidisciplinary Sciences
Tuo Lan, Buyun Liu, Wei Bao, Peter S. Thorne
Summary: This study investigates the combined effects of different PCB congeners on diabetes and finds that PCB 126 has the strongest association with diabetes. The study also reveals the associations between PCB 101, PCB 49, and diabetes.
SCIENTIFIC REPORTS
(2023)
Article
Biodiversity Conservation
Shagufta Tahir, Abdul Qadir, Mehvish Mumtaz, Nadia Jamil, Mujtaba Baqar, Asad Ullah Saeed, Naeem Khan, Richard Halbrook
Summary: This study evaluates the risk of infants exposed to PCBs in breast milk in urban centers of Pakistan. The findings show higher concentrations of PCBs compared to previous reports from Asia, and their levels are related to factors such as the age and diet pattern of the mother. There are significant differences among test locations, with higher bioaccumulation observed in more urbanized areas. The estimated daily intakes of PCBs for infants exceed recommended values, indicating health risks in these study regions.
HUMAN AND ECOLOGICAL RISK ASSESSMENT
(2023)
Article
Environmental Sciences
Guilherme R. Lotufo, Philip T. Gidley, Andrew D. McQueen, David W. Moore, Deborah A. Edwards, Jeffery Hardenstine, Allen D. Uhler
Summary: This study investigated the bioavailability of PCBs associated with paint chips dispersed in sediment, finding that the bioavailability of PCBs from paint chips mixed in sediment was significantly lower than that of field-collected sediments. These results are important for risk assessment and remediation decision-making at sites where contamination from non-paint PCB sources is present.
ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
(2022)
Article
Environmental Sciences
Pham Thi Dau, Hiroshi Ishibashi, Le Huu Tuyen, Hiroki Sakai, Masashi Hirano, Eun-Young Kim, Hisato Iwata
Summary: This study evaluated the binding affinities of PCBs and PBDEs with the CAR_LBD of the Baikal seal and mouse using SPR biosensor, showing that PBDEs had higher binding affinities than PCBs for both CAR_LBDs; in silico docking simulations revealed that PBDEs had more non-covalent interactions with specific amino acid residues in both CAR_LBDs; the binding affinities were not consistent with the previously reported transactivation potencies of the congeners.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Obstetrics & Gynecology
S. S. Tottenborg, K. S. Hougaard, L. Deen, E. B. Pedersen, M. Frederiksen, A. B. B. Kofoed, K. U. Petersen, H. W. Meyer, N. E. Ebbehoj, J. P. E. Bonde
Summary: The study found marginal and inconsistent associations between maternal exposure to PCBs in indoor air and semen quality, testicular size, and reproductive hormones in adult offspring.
HUMAN REPRODUCTION
(2022)
Article
Environmental Sciences
Heidelore Fiedler, Ike van der Veen, Jacob de Boer
Summary: In the two rounds of UNEP-coordinated assessments of POPs laboratories, participation varied across global regions with different levels of analytical capacity, particularly limited in Africa and Central and Eastern European countries, but increasing in Latin America. Laboratories using gas chromatographs coupled to high-resolution mass spectrometers had the best results, but encountered challenges with human milk and fish samples in the last round, indicating a need for improved performance, especially at low concentrations in foodstuffs.
Article
Chemistry, Analytical
Cuiying Lin, Qingqing Huang, Yilei Lu, Zhixin Li, Peilong Wang, Bin Qiu, Zhenyu Lin
Summary: This study combined the selective recognition ability of MIPs with the development of a sensor for detecting OH-PCBs, showing a relationship between the total flow time and the concentration of OH-PCBs. The proposed technique also demonstrated flexibility in detecting different targets by changing MIPs with different imprints.
MICROCHEMICAL JOURNAL
(2022)
Article
Chemistry, Applied
Eva Mariasole Angelin, M. Conceicao Oliveira, Austin Nevin, Marcello Picollo, Maria J. Melo
Summary: The research calculated photodegradation quantum yields for a series of naphthol red pigments, revealing that sulfonate groups have a stabilizing effect and keto forms are generally more stable. In addition, the type of solvent used also has a significant impact on the stability of these compounds.
Article
Multidisciplinary Sciences
Marta Gabryszewska, Barbara Gworek
Summary: This study investigated the impact of municipal waste landfill on the release of polychlorinated biphenyls (PCBs) to the environment in relation to groundwater flow directions. The analysis showed that groundwater flow direction influenced PCB concentration in groundwater due to low solubility of PCBs. Additionally, the strong sorption of PCBs to organic matter prevented the influence of groundwater flow directions on PCB content in soils and plant tissues. The largest PCB deposition zone was found to be located approximately 50 meters from the contamination source.
Review
Biochemistry & Molecular Biology
Li-Hsuan Wang, Li-Ru Chen, Kuo-Hu Chen
Summary: Xenoestrogens (XEs) are substances that mimic endogenous estrogens to affect physiological functions, either synthetic or natural, with endocrine disrupting properties. While XEs may be associated with reproductive disorders and congenital malformations, they are more likely to exhibit tissue-specific and non-genomic actions at relatively low estrogen concentrations.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Review
Toxicology
Jens Rengelshausen, Isabella Randerath, Thomas Schettgen, Andre Esser, Andrea Kaifie, Jessica Lang, Thomas Kraus, Patrick Ziegler
Summary: After detecting high PCB exposure in a German recycling company, the HELPcB program was established to investigate potential health effects of PCB exposure through a longitudinal study. More than 300 individuals were enrolled and various assessments were conducted. The program yielded new data on adverse effects of PCB exposure in humans and potential mechanisms. Larger studies are needed to confirm the results and establish causality between PCB exposure and clinical effects in humans.
ARCHIVES OF TOXICOLOGY
(2023)
Article
Multidisciplinary Sciences
Francesco Donato, Marco Moneda, Nazario Portolani, Angelo Rossini, Sarah Molfino, Silvia Ministrini, Giovanni Battista Contessi, Silvia Pesenti, Giuseppe De Palma, Alice Gaia, Elena Zanardini, Claudio Vito Sileo, Michele Magoni
Summary: This study investigated the association between PCB serum levels and hepatocellular carcinoma (HCC) in a PCB-polluted area. The results suggest that PCBs may play a role in the development of HCC.
SCIENTIFIC REPORTS
(2021)
Article
Engineering, Environmental
Na Liu, Fangjing Lin, Jie Chen, Zexi Shao, Xinru Zhang, Lizhong Zhu
Summary: In response to organic pollutants, rice plants activate defense systems including cytochrome P450s, glutathione S-transferases, and phenylpropanoid biosynthesis to reallocate metabolites and improve adaptability. This novel strategy enhances crop outputs and quality in environments impacted by organic contaminants.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Environmental Sciences
Kannan Narayanan, Haruhiko Miyagawa, Riki Kitano, Katsuhiro Nakagawa, Megumi Hirooka, Shunji Hashimoto, Vladimir P. Beskoski, Haris Hafizal Abd Hamida, Fatemeh A. Jahromi, Ignatius Phang, Ahmad Zaharin Aris, Donghao Li, Takeshi Nakano
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2018)
Article
Environmental Sciences
Kensaku Kakimoto, Haruna Nagayoshi, Yoshimasa Konishi, Keiji Kajimura, Takeshi Ohura, Takeshi Nakano, Mitsuhiko Hata, Masami Furuuchi, Ning Tang, Kazuichi Hayakawa, Akira Toriba
ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
(2017)
Article
Environmental Sciences
Haruna Nagayoshi, Kensaku Kakimoto, Yoshimasa Konishi, Keiji Kajimura, Takeshi Nakano
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2018)
Article
Environmental Sciences
Satomi Mizukami-Murata, Katsuhide Fujita, Takeshi Nakano
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2018)
Article
Environmental Sciences
Kensaku Kakimoto, Kazuhiko Akutsu, Haruna Nagayoshi, Yoshimasa Konishi, Keiji Kajimura, Naomi Tsukue, Tomoo Yoshino, Fumio Matsumoto, Takeshi Nakano, Ning Tang, Kazuichi Hayakawa, Akira Toriba
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2018)
Article
Environmental Sciences
Yuki Haga, Motoharu Suzuki, Chisato Matsumura, Toshihiro Okuno, Masahiro Tsurukawa, Kazuo Fujimori, Narayanan Kannan, Roland Weber, Takeshi Nakano
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2018)
Editorial Material
Environmental Sciences
Takeshi Nakano, Yasuyuki Shibata, Michael Denison, Roland Weber
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2018)
Review
Environmental Sciences
Sarva Mangala Praveena, Seoh Wei Teh, Ranjith Kumar Rajendran, Narayanan Kannan, Chu-Ching Lin, Rozaini Abdullah, Suresh Kumar
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2018)
Article
Environmental Sciences
Vladimir P. Beskoski, Atsushi Yamamoto, Takeshi Nakano, Katsuya Yamamoto, Chisato Matsumura, Mamoru Motegi, Latinka Slavkovic Beskoski, Hideyuki Inui
SCIENCE OF THE TOTAL ENVIRONMENT
(2018)
Article
Engineering, Environmental
Marija Ljesevic, Gordana Gojgic-Cvijovic, Teruyo Ieda, Shunji Hashimoto, Takeshi Nakano, Sandra Bulatovic, Mila Ilic, Vladimir Beskoski
JOURNAL OF HAZARDOUS MATERIALS
(2019)
Article
Environmental Sciences
Haris Hafizal Abd Hamid, Mohd Talib Latif, Mohd Shahrul Mohd Nadzir, Royston Uning, Md Firoz Khan, Narayanan Kannan
AIR QUALITY ATMOSPHERE AND HEALTH
(2019)
Article
Chemistry, Multidisciplinary
Aleksandra Zeradjanin, Kristina Joksimovic, Jelena Avdalovic, Gordana Gojgic-Cvijovic, Takeshi Nakano, Srdjan Miletic, Mila Ilic, Vladimir P. Beskoski
Summary: The study analyzed the sequential multi-stage aerobic/anaerobic microbial biodegradation of PCBs in heavily polluted river sediment. The results showed that the natural microbial community has a strong potential to reduce PCB levels under alternating multi-stage aerobic/anaerobic conditions.
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY
(2022)
Article
Environmental Sciences
Nobuyasu Hanari, Takeshi Nakano
Summary: Chlorinated paraffins (CPs) are industrial chemicals primarily used in metalworking fluids. Short-chain chlorinated paraffins (SCCPs) are a famous environmental pollutant, and reliable quantification of SCCPs has been a critical issue due to the large number of SCCP isomers. This study developed a novel SCCP formulation as a candidate reference material and evaluated the reliability of gas chromatography mass spectrometry (GC/MS) and liquid chromatography mass spectrometry (LC/MS) methods. The results showed comparable concentrations of SCCPs from GC and LC, indicating the effectiveness of the candidate reference material for quantification and evaluation.
Article
Engineering, Environmental
Hideyuki Inui, Terushi Ito, Chiharu Miwa, Yuki Haga, Makoto Kubo, Toshimasa Itoh, Keiko Yamamoto, Masayuki Miyaoka, Tadashi Mori, Harunobu Tsuzuki, Shintaro Mise, Erika Goto, Chisato Matsumura, Takeshi Nakano
Summary: Although polychlorinated biphenyls (PCBs) were banned 50 years ago, they still contaminate the environment and organisms. Chiral PCBs with multiple chlorine atoms exhibit developmental and neurodevelopmental toxicity. Cytochrome P450 enzymes have been found to metabolize these compounds and produce different metabolites, which may affect their toxicity.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Pil Gyu Choi, Akito Kamijo, Naoyoshi Nunotani, Takeshi Nakano, Nobuhito Imanaka