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Immune-oxidative and apoptotic response to titanium dioxide nanoparticle (TiO2-NP) exposure in an aquatic lower vertebrate, rohu (Labeo rohita). 水生低等脊椎动物罗虎(Labeo rohita)对二氧化钛纳米颗粒(TiO2-NP)暴露的免疫氧化和凋亡反应。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-05-19 DOI: 10.1080/17435390.2025.2503265
Chinmayee Muduli, Pushpa Choudhary, Satya Narayan Sahoo, Sudhansu Sekhar Mishra, Priyabrat Swain
{"title":"Immune-oxidative and apoptotic response to titanium dioxide nanoparticle (TiO<sub>2</sub>-NP) exposure in an aquatic lower vertebrate, rohu (<i>Labeo rohita</i>).","authors":"Chinmayee Muduli, Pushpa Choudhary, Satya Narayan Sahoo, Sudhansu Sekhar Mishra, Priyabrat Swain","doi":"10.1080/17435390.2025.2503265","DOIUrl":"https://doi.org/10.1080/17435390.2025.2503265","url":null,"abstract":"<p><p>Titanium dioxide nanoparticles (TiO<sub>2</sub>-NPs) are one of the most commercially manufactured and widely applied NPs. However, often TiO<sub>2</sub>-NPs leak into the environment and make aquatic animals exposure inevitable. Consequently, a deeper comprehension of TiO<sub>2</sub>-NPs toxicity is utmost important. The 96-hour lethal concentration of TiO<sub>2</sub>-NP in rohu (<i>Labeo rohita</i>) was 77.49 mg/L. An <i>in-vivo</i> toxicity assessment of TiO<sub>2</sub>-NP was conducted at sub lethal concentration of 1 mg/L (2%), 2.5 mg/L (5%), and 5 mg/L (10%) at 24 hours post exposure (hpe), 4 days post exposure (dpe), and 14 dpe in an aquatic lower vertebrate, rohu. Quantitative bioaccumulation analysis showed highest TiO<sub>2</sub>-NPs bioaccumulation in intestine followed by liver, gill, kidney, spleen, and negligible in muscle. TiO<sub>2</sub>-NP at 5 mg/L concentration induced the immunotoxic response by destabilization of serum lysozyme and antiprotease activity which was further potentiated by increased production of myeloperoxidase, respiratory burst activity leading to higher production of reactive oxygen species that contribute to oxidative stress, inflammation and cellular damage. Molecular study demonstrated that TiO<sub>2</sub>-NP is recognized and processed by signaling PRR, TLR22 leading to initiation of the downstream immune-signaling cascade and pro-inflammatory cytokines production. The TiO<sub>2</sub>-NP induced the oxidative stress gene (SOD, CAT, and GPx) expression significantly at 1, 2.5 and 5 mg/L. Nevertheless, apoptotic biomarker (caspase3, BAX and p53) were induced significantly on 14th dpe at 5 mg/L dose exposure. Our study infer that TiO<sub>2</sub>-NP induced immunotoxic response at higher concentration of 5 mg/L, nevertheless it acts as immunostimulator at lower concentration of 1 mg/L in <i>L. rohita</i>.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-17"},"PeriodicalIF":3.6,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144094464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects on digestive enzyme activities in the house crickets Acheta domesticus exposed to graphene oxide in food for several generations. 食物中氧化石墨烯对几代家蟋蟀消化酶活性的影响。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-05-14 DOI: 10.1080/17435390.2025.2500430
Agnieszka Babczyńska, Monika Tarnawska, Klaudia Czaja, Barbara Flasz, Amrendra K Ajay, Łukasz Napora-Rutkowski, Katarzyna Rozpędek, Ewa Świerczek, Andrzej Kędziorski, Maria Augustyniak
{"title":"Effects on digestive enzyme activities in the house crickets <i>Acheta domesticus</i> exposed to graphene oxide in food for several generations.","authors":"Agnieszka Babczyńska, Monika Tarnawska, Klaudia Czaja, Barbara Flasz, Amrendra K Ajay, Łukasz Napora-Rutkowski, Katarzyna Rozpędek, Ewa Świerczek, Andrzej Kędziorski, Maria Augustyniak","doi":"10.1080/17435390.2025.2500430","DOIUrl":"https://doi.org/10.1080/17435390.2025.2500430","url":null,"abstract":"<p><p>Increasing usage of nanoparticles or nanomaterials may lead to their release into the environment. The toxicity of these structures, classified as contaminants of emerging concern, is not yet sufficiently understood. However, as in the case of other environmental stressors, the effects of exposure to them should be analyzed on a multigenerational scale to predict the consequences for exposed populations. Therefore, this project aimed to assess the impact of graphene oxide (GO) nanomaterial on digestive enzyme activities in the house cricket <i>Acheta domesticus</i> as a model species, depending on GO concentration (0.2 or 0.02 µg·g<sup>-1 </sup>dry weight of food), previous selection for longevity and the number of generations (1-5) that have occurred since the beginning of exposure. The last and sixth generations were insects for which GO was withdrawn from the diet (recovery generation). Enzymatic activity was tested using API Zym kit modified for spectrophotometric reads. The tests revealed that GO intervenes with some digestive enzymes. Moreover, the effects of GO depend on the population's previous selection for longevity. The impact of mechanisms mitigating the consequences of aging supports the possible tolerance to GO intoxication. It demonstrated itself in diverse patterns of multigenerational response to GO in wild and long-lived insects. Also, multigenerational exposure revealed the 'third generation' effect. Finally, the impact of GO elimination depended on the concentration of nanomaterial used for the tests. Also, the potential impact of concentration-dependent agglomeration of GO in the context of hormesis has been discussed.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-14"},"PeriodicalIF":3.6,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144079245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nanoparticles induced neurotoxicity. 纳米颗粒诱导神经毒性。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-04-16 DOI: 10.1080/17435390.2025.2488310
Divya Bajpai Tripathy, Subhalaxmi Pradhan, Anjali Gupta, Pooja Agarwal
{"title":"Nanoparticles induced neurotoxicity.","authors":"Divya Bajpai Tripathy, Subhalaxmi Pradhan, Anjali Gupta, Pooja Agarwal","doi":"10.1080/17435390.2025.2488310","DOIUrl":"https://doi.org/10.1080/17435390.2025.2488310","url":null,"abstract":"<p><p>The early development of nanotechnology has spurred major interest on the toxicity of nanoparticles (NPs) due to their ability to penetrate the biological barriers such as the BBB. This review aims at addressing how silver (AgNPs), titanium dioxide (TiO<sub>2</sub>NPs), zinc oxide (ZnONPs), iron oxide (Fe<sub>3</sub>O<sub>4</sub>NPs), carbon NPs, Copper (Cu-NPs), silicon oxide (SiO<sub>2</sub> NPs) nanoparticles and quantum dots cause neurotoxicity. Some of the major signaling that occur are the signaling related to oxidative stress, neuroinflammation, mitochondrial dysfunction and cell equilibrium, hence results in neuronal damage and neurodegeneration. It is critical to describe that there are multiple ways by how NPs may be toxic based on their size and surface, dosage, and the recipient's age and health condition. A review on in vitro and in vivo analysis provides information about the toxic potentials of NPs and preventive measures including modification of NP surface and antioxidant treatment. The results underline the necessity of comprehensive safety assessments to allow the further utilization of nanoparticles across the economy.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-28"},"PeriodicalIF":3.6,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144034002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemometrical assessment of adverse effects in lung cells induced by vehicle engine emissions. 汽车发动机排放物对肺细胞不良影响的化学计量学评估。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-04-09 DOI: 10.1080/17435390.2025.2489631
Miroslava Nedyalkova, Ruiwen He, Alke Petri-Fink, Barbara Rothen-Rutishauser, Marco Lattuada
{"title":"Chemometrical assessment of adverse effects in lung cells induced by vehicle engine emissions.","authors":"Miroslava Nedyalkova, Ruiwen He, Alke Petri-Fink, Barbara Rothen-Rutishauser, Marco Lattuada","doi":"10.1080/17435390.2025.2489631","DOIUrl":"10.1080/17435390.2025.2489631","url":null,"abstract":"<p><p>Vehicle engine exhausts contain complex mixtures of gaseous and particulate pollutants, which are known to affect lung functions adversely. Many in vitro studies have shown that exposure to engine exhaust can induce oxidative stress in lung cells, leading to cellular inflammation and cytotoxicity. However, it remains challenging to identify key harmful components and their specific adverse effects via traditional toxicological assessments. Machine learning (ML) methods offer new ways of analyzing such complex datasets and have gained attention in predicting toxicity outcomes and identifying key pollutants in mixtures responsible for adverse effects in a non-biased way. This study aims to understand the contribution of exhaust components to lung cell toxicity using ML techniques. Data were reanalyzed from previous studies (2015-2018), where a 3D human epithelial airway tissue model was exposed to gasoline and diesel engine exhausts under air-liquid interface (ALI) conditions with different fuels and exhaust after-treatment systems. This dataset included exhaust characteristics (particle number (PN), carbon monoxide (CO), total gaseous hydrocarbons (THC), and nitrogen oxides (NO<i>x</i>) levels) and corresponding biological responses (cytotoxicity, oxidative stress, and inflammatory responses). The relationships between pollutants and biological responses were explored using ML techniques, including hierarchical and nonhierarchical clustering and principal component analysis. The findings reveal both gaseous (CO, THC, and NO<i>x</i>) and particulate pollutants contribute to oxidative stress, inflammation, and cytotoxicity in lung cells, highlighting the significant role of each gaseous component. In addition, unmeasured factors beyond CO, THC, NO<i>x</i>, and PN likely contribute to biological effects, indicating the need for a more detailed characterization of exhaust parameters in ML analysis. By successfully integrating ML techniques, this study shows the potential of ML in identifying pollutant-specific contributions to cell toxicity. These insights can guide the analysis of complex exposure scenarios and inform regulatory measures and technical developments in emission control.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-14"},"PeriodicalIF":3.6,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143811794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The current advancements in chitosan nanoparticles in the management of non-surgical periodontitis treatment. 壳聚糖纳米颗粒在牙周炎非手术治疗中的最新进展。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-28 DOI: 10.1080/17435390.2025.2484002
Mehrnaz Sadighi Shamami, Mohammad Ekhlaspour, Jameel M A Sulaiman, Radhwan Abdul Kareem, Nahed Mahmood Ahmed Alsultany, Kamyar Nasiri, Naghmeh Shenasa
{"title":"The current advancements in chitosan nanoparticles in the management of non-surgical periodontitis treatment.","authors":"Mehrnaz Sadighi Shamami, Mohammad Ekhlaspour, Jameel M A Sulaiman, Radhwan Abdul Kareem, Nahed Mahmood Ahmed Alsultany, Kamyar Nasiri, Naghmeh Shenasa","doi":"10.1080/17435390.2025.2484002","DOIUrl":"https://doi.org/10.1080/17435390.2025.2484002","url":null,"abstract":"<p><p>Because of the intricate interactions between bacteria internalization in periodontal cells and chronic inflammatory activation, periodontal disorders remain difficult. Furthermore, the primary cause of adult tooth loss is periodontitis, one of the most common dental disorders worldwide. The key to preventing periodontitis has been to reduce the development of bacteria and the generation of substances that eventually erode the tissue surrounding and supporting the teeth. Furthermore, there are several disadvantages to treating periodontitis with antibiotics administered systemically. A naturally occurring polymer with antibacterial and anti-inflammatory properties is chitosan (CS). CS is highly interested in treating periodontal disease as a medicine carrier due to its actions against anaerobic microorganisms and possible anti-inflammatory properties. Due to the multifactorial pathophysiology of periodontitis, combining antimicrobial medications in a single drug delivery method is preferable to administering them separately since it increases the therapeutic range when numerous organisms are present. As a result, CS-based drug delivery technologies, such as gels, micro, and nanoparticles (NPs), were created to transport drugs to the periodontal pocket over an extended period. This research provides an overview of the existing therapeutic benefits of CSNP on periodontitis. This information might be used to create therapeutic substitutes based on CSNP for treating periodontal infections.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-35"},"PeriodicalIF":3.6,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143730807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biokinetics of inhaled silver, gold, copper oxide, and zinc oxide nanoparticles: a review. 吸入银、金、氧化铜和氧化锌纳米颗粒的生物动力学研究综述。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-10 DOI: 10.1080/17435390.2025.2476994
Niels Hadrup, Ulla Vogel, Nicklas R Jacobsen
{"title":"Biokinetics of inhaled silver, gold, copper oxide, and zinc oxide nanoparticles: a review.","authors":"Niels Hadrup, Ulla Vogel, Nicklas R Jacobsen","doi":"10.1080/17435390.2025.2476994","DOIUrl":"10.1080/17435390.2025.2476994","url":null,"abstract":"<p><p>The understanding of nanomaterial toxicity is aided by biokinetic information pointing to potential target organs. Silver (Ag), copper oxide (CuO), and zinc oxide (ZnO) are often referred to as soluble materials in the literature. In addition, data suggest gold (Au) nanoparticles to be soluble in the mammalian body. We identified inhalation studies on these materials and extracted data on physicochemical properties, organ distribution, and excretion. Silver and gold were retained in the lung for an extended period (>2,000 and >672 hours, respectively); copper initially increased in lung and then returned to baseline at ∼500 hours. Zinc increased in the lungs after short-term exposure to zinc oxide, but not after prolonged exposure. In blood, silver initially increased after inhalation but then gradually declined over ∼200 hours. Gold was elevated in the blood after exposure to 4, 7, 11, and 13 nm particles (but not particles of 20, 34, and 105 nm) and remained elevated for at least 672 hours after exposure to the 4 and 11 nm particles. Silver increased in the liver and spleen and was still present 2,000 hours post exposure. Gold was elevated in several organs, including the spleen and kidney, for more than 600 hours post exposure, indicating persistence in some organs. Both silver and gold were increased in the brain and olfactory bulb. Overall, we found no large differences in the biodistribution of the four nanomaterials but note that silver and gold were still increased in several organs at the last investigated post-exposure time points.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"1-31"},"PeriodicalIF":3.6,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143597348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review of carbonaceous nanoparticles for antibacterial uses in various dental infections. 碳质纳米颗粒在各种牙齿感染中的抗菌应用综述。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-01 Epub Date: 2025-01-30 DOI: 10.1080/17435390.2025.2454277
Naghmeh Shenasa, Mareb Hamed Ahmed, Radhwan Abdul Kareem, Athmar Jaber Zrzor, Aseel Salah Mansoor, Zainab H Athab, Hannaneh Bayat, Fatemeh Abedi Diznab
{"title":"Review of carbonaceous nanoparticles for antibacterial uses in various dental infections.","authors":"Naghmeh Shenasa, Mareb Hamed Ahmed, Radhwan Abdul Kareem, Athmar Jaber Zrzor, Aseel Salah Mansoor, Zainab H Athab, Hannaneh Bayat, Fatemeh Abedi Diznab","doi":"10.1080/17435390.2025.2454277","DOIUrl":"10.1080/17435390.2025.2454277","url":null,"abstract":"<p><p>The mouth cavity is the second most complex microbial community in the human body. It is composed of bacteria, viruses, fungi, and protozoa. An imbalance in the oral microbiota may lead to various conditions, including caries, soft tissue infections, periodontitis, root canal infections, peri-implantitis (PI), pulpitis, candidiasis, and denture stomatitis. Additionally, several locally administered antimicrobials have been suggested for dentistry in surgical and non-surgical applications. The main drawbacks are increased antimicrobial resistance, the risk of upsetting the natural microbiota, and hypersensitivity responses. Because of their unique physiochemical characteristics, nanoparticles (NPs) can circumvent antibiotic-resistance mechanisms and exert antimicrobial action via a variety of new bactericidal routes. Because of their anti-microbial properties, carbon-based NPs are becoming more and more effective antibacterial agents. Periodontitis, mouth infections, PI, dentin and root infections, and other dental diseases are among the conditions that may be treated using carbon NPs (CNPs) like graphene oxide and carbon dots. An outline of the scientific development of multifunctional CNPs concerning oral disorders will be given before talking about the significant influence of CNPs on dental health. Some of these illnesses include Periodontitis, oral infections, dental caries, dental pulp disorders, dentin and dental root infections, and PI. We also review the remaining research and application barriers for carbon-based NPs and possible future problems.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"180-215"},"PeriodicalIF":3.6,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Toxicological impact of silver nanoparticles on soil microbial indicators in contaminated soil (pot experiment). 纳米银对污染土壤微生物指标的毒理学影响(盆栽试验)。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-01 Epub Date: 2025-01-21 DOI: 10.1080/17435390.2025.2454967
Ali Ashraf Soltani Toularoud, Samira Nasrollahi, Esmaiel Goli Kalanpa, Tohid Rouhi Kelarlou, Ali Nematollahzadeh
{"title":"Toxicological impact of silver nanoparticles on soil microbial indicators in contaminated soil (pot experiment).","authors":"Ali Ashraf Soltani Toularoud, Samira Nasrollahi, Esmaiel Goli Kalanpa, Tohid Rouhi Kelarlou, Ali Nematollahzadeh","doi":"10.1080/17435390.2025.2454967","DOIUrl":"10.1080/17435390.2025.2454967","url":null,"abstract":"<p><p>Silver nanoparticles (AgNPs), recognized for their unique properties, are widely applied in fields such as agriculture, biotechnology, food security, and medicine. However, concerns persist regarding their interactions with living organisms and potential environmental impacts. This study investigates the effects of AgNPs on key soil microbial indicators that are essential for ecological functioning. A pot experiment was conducted with varying concentrations of AgNPs (0, 30, 60, 120, 240 mg kg<sup>-1</sup>) and incubation periods (0, 15, 30, and 45 days). The results demonstrated a substantial reduction in microbial indicators, including bacterial and fungal colony-forming units (B.CFUs and F.CFUs), total microbial population (MPN), microbial basal respiration (BR), substrate-induced respiration (SIR), and microbial biomass carbon and nitrogen (MBC and MBN). These declines were more pronounced with increasing AgNP concentrations and prolonged incubation times, particularly within the first 15 days. Notably, even at lower concentrations, AgNPs exhibited significant toxicity to microbial indicators. The most severe impact was observed at 240 mg kg<sup>-1</sup> of AgNPs after 45 days, where B.CFUs, F.CFUs, MPN, MBC, and MBN showed substantial declines, with the greatest reduction at the highest concentration. Additionally, the microbial quotient (qmic) decreased by 66%, and variations in the respiratory quotient (qCO<sub>2</sub>) were observed. Strong positive correlations were found among the microbial indicators, highlighting their interconnected responses to AgNP exposure. Overall, the study emphasizes the significant toxicity of AgNPs, raising concerns about their potential to disrupt soil ecosystems.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"216-231"},"PeriodicalIF":3.6,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143008629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of titanium oxide nanoparticles on growth, biochemical composition, and photosystem mechanism of marine microalgae Isochrysis galbana COR-A3. 纳米二氧化钛对海洋微藻Isochrysis galbana COR-A3生长、生化组成及光系统机制的影响
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-01 Epub Date: 2025-01-30 DOI: 10.1080/17435390.2025.2454267
Manikandan Sivakumar, Inbakandan Dhinakarasamy, Subham Chakraborty, Clarita Clements, Naren Kumar Thirumurugan, Anu Chandrasekar, Jeevitha Vinayagam, Chandrasekar Kumar, Rajendar Thirugnanasambandam, Ramesh Kumar V, Valli Nachiyar Chandrasekaran
{"title":"Effects of titanium oxide nanoparticles on growth, biochemical composition, and photosystem mechanism of marine microalgae <i>Isochrysis galbana</i> COR-A3.","authors":"Manikandan Sivakumar, Inbakandan Dhinakarasamy, Subham Chakraborty, Clarita Clements, Naren Kumar Thirumurugan, Anu Chandrasekar, Jeevitha Vinayagam, Chandrasekar Kumar, Rajendar Thirugnanasambandam, Ramesh Kumar V, Valli Nachiyar Chandrasekaran","doi":"10.1080/17435390.2025.2454267","DOIUrl":"10.1080/17435390.2025.2454267","url":null,"abstract":"<p><p>The widespread utilization of titanium oxide nanoparticles (TiONPs) in various industrial applications has raised concerns about their potential ecological risks in marine environment. Assessing the toxicity of TiONPs on primary producers is essential to understand their impact on marine ecosystem. This study investigates the acute toxicity effect of TiONPs on <i>Isochrysis galbana</i> COR-A3 cells, focusing on structural and physiological changes that can compromise algal viability and ecological function. Cells were exposed to TiONPs concentration of 10-50 mg/L and assessments were conducted over 96 h to evaluate cell viability, biochemical composition, photo-physiology, oxidative stress and morphological deformations. At 50 mg/L concentration, cell viability was significantly reduced by 73.42 ± 3.46% and subsequent decrease of 42.8%, 29.2%, 44.2% in carbohydrate, protein and lipid content were observed. TiONPs exposure elevates the reactive oxygen species production and thereby impairing the photosystem II efficiency and disrupting the cellular metabolism. Morphological analysis revealed significant cell membrane disruption and plasmolysis. These cascading effects reveal TiONPs ability to interfere with algal physiological process, potentially affecting the primary productivity in marine ecosystem. Our findings highlight the ecological risk associated with the TiONPs, emphasizing the need for regulatory measures to mitigate the nanoparticle pollution in aquatic environment. This study provides more insights on the TiONPs induced toxicity in marine microalgae by altering the photosynthetic performance and biochemical integrity.</p>","PeriodicalId":18899,"journal":{"name":"Nanotoxicology","volume":" ","pages":"156-179"},"PeriodicalIF":3.6,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143066846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Protective effects of quercetin on intestinal barrier and cellular viability against silver nanoparticle exposure: insights from an intestinal co-culture model. 槲皮素对银纳米颗粒暴露的肠道屏障和细胞活力的保护作用:来自肠道共培养模型的见解。
IF 3.6 3区 医学
Nanotoxicology Pub Date : 2025-03-01 Epub Date: 2025-02-03 DOI: 10.1080/17435390.2025.2450372
Adelaide Sousa, Angela A M Kämpfer, Roel P F Schins, Félix Carvalho, Eduarda Fernandes, Marisa Freitas
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