Organ burden of inhaled nanoceria in a 2-year low-dose exposure study: dump or depot?

abstract：:Glycodendrimers (Glyco-DDMs) represent a rapidly growing class of nanoparticles with promising properties for biomedical applications but concerns regarding the impact on human health and environment are still justified. Here we report, for the first time, the comparative study of in vivo developmental toxicity of car...

journal_title：Nanotoxicology

authors： Liegertová M,Wrobel D,Herma R,Müllerová M,Šťastná LČ,Cuřínová P,Strašák T,Malý M,Čermák J,Smejkal J,Štofik M,Maly J

更新日期：2018-10-01 00:00:00

abstract：:Iron nanoparticles (NPs) have been proposed as a tool in very different fields such as environmental remediation and biomedical applications, including food fortification against iron deficiency, even if there is still concern about their safety. Here, we propose Xenopus laevis embryos as a suitable model to investiga...

journal_title：Nanotoxicology

authors： Bonfanti P,Colombo A,Saibene M,Fiandra L,Armenia I,Gamberoni F,Gornati R,Bernardini G,Mantecca P

更新日期：2020-03-01 00:00:00

abstract：:There is a paucity of data regarding the safety of administering solid gold nanoparticles (AuNPs) in large animal tumor models. We assessed the acute toxicity and biodistribution of 5 nm and 25 nm solid AuNPs in New Zealand White rabbits (n = 6 in each) with implanted liver Vx2 tumors 24 h after intravenous injection....

journal_title：Nanotoxicology

authors： Glazer ES,Zhu C,Hamir AN,Borne A,Thompson CS,Curley SA

更新日期：2011-12-01 00:00:00

abstract：:Due to the increasing use of nanometric cerium oxide in applications, concerns about the toxicity of these particles have been raised and have resulted in a large number of studies. We report here on the interactions between 7 nm anionically charged cerium oxide particles and living mammalian cells. By a modification ...

journal_title：Nanotoxicology

authors： Ould-Moussa N,Safi M,Guedeau-Boudeville MA,Montero D,Conjeaud H,Berret JF

更新日期：2014-11-01 00:00:00

abstract：:Foodborne nanoparticles (NPs) have drawn great attention due to human health concerns. This study reports the detection of the presence of fluorescent NPs, about 5 nm, in two of the most popular beverages, Coca-Cola (Coke) and Pepsi-Cola (Pepsi). The NPs contain H, C and O, three elements with a tunable emission and w...

journal_title：Nanotoxicology

authors： Li S,Jiang C,Wang H,Cong S,Tan M

更新日期：2018-02-01 00:00:00

abstract：:Our group already demonstrated that europium hydroxide nanorods (EHNs) show none or mild toxicity in C57BL/6 mice even at high dose and exhibited excellent pro-angiogenic activity towards in vitro and in vivo models. In the present study, we evaluated the in vivo cytogenetic toxicity of intraperitoneally administered ...

journal_title：Nanotoxicology

authors： Bollu VS,Nethi SK,Dasari RK,Rao SS,Misra S,Patra CR

更新日期：2016-01-01 00:00:00

abstract：:Little information exists on the toxicological hazards associated to organo-modified clays. We evaluated the cytotoxicity of a series of pristine and organo-modified nanoclays in different cell lines. The calculated IC50 values for cell viability ranged from 1.4 to 47 µg/mL for the six organoclays used and were above ...

journal_title：Nanotoxicology

authors： Janer G,Fernández-Rosas E,Mas del Molino E,González-Gálvez D,Vilar G,López-Iglesias C,Ermini V,Vázquez-Campos S

更新日期：2014-05-01 00:00:00

abstract：:Uptake of polydispersed acid-functionalized single-walled carbon nanotubes (AF-SWCNTs) in resting and LPS-activated B cells was studied using fluorescence-tagged AF-SWCNTs (FAF-SWCNTs). Activated B cells internalized substantially higher amounts of FAF-SWCNTs [76.5% AF-SWCNT+ B cells, mean fluorescence intensity (MFI)...

journal_title：Nanotoxicology

authors： Dutt TS,Mia MB,Saxena RK

更新日期：2019-08-01 00:00:00

abstract：:Certain types of carbon nanotubes (CNT) can evoke inflammation, fibrosis and mesothelioma in vivo, raising concerns about their potential health effects. It has been recently postulated that NLRP3 inflammasome activation is important in the CNT-induced toxicity. However, more comprehensive studies of the protein secre...

journal_title：Nanotoxicology

authors： Palomäki J,Sund J,Vippola M,Kinaret P,Greco D,Savolainen K,Puustinen A,Alenius H

更新日期：2015-01-01 00:00:00

abstract：:Administration of poly-dispersed acid-functionalized single-walled carbon nanotubes (AF-SWCNTs, 10 µg intravenously on alternate days) induced a sustained anemia in mice. Using a modified double in vivo biotinylation (DIB) technique, blood counts of reticulocytes and erythrocytes of different age groups were simultane...

journal_title：Nanotoxicology

authors： Bhardwaj N,Saxena RK

更新日期：2015-01-01 00:00:00

abstract：:Abstract To examine gold nanoparticle reprotoxicity, bovine spermatozoa were challenged with ligand-free or oligonucleotide-conjugated gold nanoparticles synthesized purely without any surfactants by laser ablation. Sperm motility declined at nanoparticle mass dose of 10 µg/ml (corresponding to ∼14 000 nanoparticles p...

journal_title：Nanotoxicology

authors： Taylor U,Barchanski A,Petersen S,Kues WA,Baulain U,Gamrad L,Sajti L,Barcikowski S,Rath D

更新日期：2014-08-01 00:00:00

abstract：:Nanoparticle (NP) uptake across the gut is poorly understood. In vitro gut sac preparations and isolated perfused intestines were used to investigate the absorption mechanism(s). Exposure of whole gut sacs to 1 mg/l TiO₂ NPs for 4 h caused total Ti metal concentrations to increase in the intestine, with 80% or more of...

journal_title：Nanotoxicology

authors： Al-Jubory AR,Handy RD

更新日期：2013-12-01 00:00:00

abstract：:With the increased production and widespread commercial use of silver nanoparticles (AgNPs), human and environmental exposures to silver nanoparticles are inevitably increasing. In particular, persons manufacturing and handling silver nanoparticles and silver nanoparticle containing products are at risk of exposure, p...

journal_title：Nanotoxicology

authors： Weldon BA,M Faustman E,Oberdörster G,Workman T,Griffith WC,Kneuer C,Yu IJ

更新日期：2016-09-01 00:00:00

abstract：:Dose-response by in vitro testing is only valid if the fraction of the particle dose that deposits onto adherent cells is known. Modeling tools such as the 'distorted grid' (DG) code are common practices to predict that fraction. As another challenge, workflow efficiency depends on parallelized sample preparation, for...

journal_title：Nanotoxicology

authors： Keller JG,Quevedo DF,Faccani L,Costa AL,Landsiedel R,Werle K,Wohlleben W

更新日期：2020-10-26 00:00:00

abstract：:Although the production of engineered nanoparticles increases our knowledge of toxicity and mechanisms of bioactivity during relevant exposures is lacking. In the present study mice were exposed to PbO nanoparticles (PbONP; 192.5 µg/m3; 1.93 × 106 particles/cm3) for 2, 5 and 13 weeks through continuous inhalation. The...

journal_title：Nanotoxicology

authors： Bláhová L,Nováková Z,Večeřa Z,Vrlíková L,Dočekal B,Dumková J,Křůmal K,Mikuška P,Buchtová M,Hampl A,Hilscherová K,Bláha L

更新日期：2020-03-01 00:00:00

abstract：:If engineered nanomaterials are released into the environment, some are likely to end up associated with the food of animals due to aggregation and sorption processes. However, few studies have considered dietary exposure of nanomaterials. Here we show that zinc (Zn) from isotopically modified (67)ZnO particles is eff...

journal_title：Nanotoxicology

authors： Croteau MN,Dybowska AD,Luoma SN,Valsami-Jones E

更新日期：2011-03-01 00:00:00

abstract：:Sunscreens containing metal oxide nanoparticles appear transparent on the skin and provide excellent protection against sunburn caused by UV radiation. While it is likely that nanoparticles remain on the surface of the skin of healthy adult humans, and thus are considered safe for use in sunscreens, there has been no ...

journal_title：Nanotoxicology

authors： Osmond MJ,McCall MJ

更新日期：2010-03-01 00:00:00

abstract：:Foodborne nanoparticles (NPs) refer to the nanostructures generated during food processing, rather than the man-made nano-structural additives that are added to improve the property of food. In this research, discovery of fluorescent NPs in roasted pork was reported at different temperature of 180, 230, and 280 °C. Th...

journal_title：Nanotoxicology

authors： Zhao X,Shan S,Li J,Cao L,Lv J,Tan M

更新日期：2019-12-01 00:00:00

abstract：:Titanium dioxide nanoparticles (TiO2 NPs) have shown great adsorption capacity for arsenic (As); however, the potential impact of TiO2 NPs on the behavior and toxic responses of As remains largely unexplored. In the present study, we focused on the physicochemical interaction between TiO2 NPs and As(III) to clarify th...

journal_title：Nanotoxicology

authors： Wang X,Liu Y,Wang J,Nie Y,Chen S,Hei TK,Deng Z,Wu L,Zhao G,Xu A

更新日期：2017-10-01 00:00:00

abstract：:The widespread increase in the production and use of nanomaterials has increased the potential for nanoparticle exposure; however, the biological effects of nanoparticle inhalation are poorly understood. Rats were exposed to nanosized titanium dioxide aerosols (10 μg lung burden); at 24 h post-exposure, the spinotrape...

journal_title：Nanotoxicology

authors： Knuckles TL,Yi J,Frazer DG,Leonard HD,Chen BT,Castranova V,Nurkiewicz TR

更新日期：2012-11-01 00:00:00

abstract：:The levels of exposure and internal doses of nanomaterials are becoming more and more important for estimating the health effects resulting from exposure to nanomaterials. Health surveillance can be used as an indicator of whether exposure is occurring, rather than in determining if levels of exposure are safe. We hav...

journal_title：Nanotoxicology

authors： Lee JH,Mun J,Park JD,Yu IJ

更新日期：2012-09-01 00:00:00

abstract：:Cellular adaptation is the dynamic response of a cell to adverse changes in its intra/extra cellular environment. The aims of this study were to investigate the role of: (i) the glutathione antioxidant system, and (ii) the transcription factor EB (TFEB), a newly revealed master regulator of lysosome biogenesis, in cel...

journal_title：Nanotoxicology

authors： Neibert KD,Maysinger D

更新日期：2012-05-01 00:00:00

abstract：:ZnO nanoparticles (NPs) elicit significant adverse effects in various cell types, organisms and in the environment. The toxicity of nanoscale ZnO has often been ascribed to the release of zinc ions from the NPs but it is not yet understood to which extent these ions contribute to ZnO NP toxicity and what are the under...

journal_title：Nanotoxicology

authors： Buerki-Thurnherr T,Xiao L,Diener L,Arslan O,Hirsch C,Maeder-Althaus X,Grieder K,Wampfler B,Mathur S,Wick P,Krug HF

更新日期：2013-06-01 00:00:00

abstract：:Copper nanoparticles (Cu NPs) have various uses, including as additives in polymers/plastics, lubricants for metallic coating, and biomedical applications. We investigated the role of transforming growth factor (TGF)-β1 signaling in hepatic damage caused by Cu NPs and explored the effects of a 28-day repeated oral adm...

journal_title：Nanotoxicology

authors： Lee IC,Ko JW,Park SH,Shin NR,Shin IS,Moon C,Kim SH,Yun WK,Kim HC,Kim JC

更新日期：2018-08-01 00:00:00

abstract：:We aimed to create transgenic (Tg) mice engineered for magnetic resonance imaging (MRI). To ascertain if MagA expression contributes to oxidative stress and iron metabolism, we report the generation of Tg mice in which ubiquitous expression of MagA can be detected by MRI in vivo. Expression of MagA in diverse tissues ...

journal_title：Nanotoxicology

authors： Guan X,Jiang X,Yang C,Tian X,Li L

更新日期：2016-01-01 00:00:00

abstract：:The increasing presence of ZnO nanoparticles (NPs) in consumer products may be having a dramatic impact in aquatic environments. The evaluation of ZnO NP toxicity represents a great challenge. This study aimed at evaluating the cytotoxic effect of micro- and nanosized ZnO in a fish and a mammalian hepatoma cell line. ...

journal_title：Nanotoxicology

authors： Fernández-Cruz ML,Lammel T,Connolly M,Conde E,Barrado AI,Derick S,Perez Y,Fernandez M,Furger C,Navas JM

更新日期：2013-08-01 00:00:00

abstract：:The available biomonitoring studies on workers producing/handling nanomaterials (NMs) focused on potential effects on respiratory, immune and cardio-vascular system. Aim of this study was to identify a panel of sensitive biomarkers and suitable biological matrices to evaluate particularly genotoxic and oxidative effec...

journal_title：Nanotoxicology

authors： Ursini CL,Fresegna AM,Ciervo A,Maiello R,Del Frate V,Folesani G,Galetti M,Poli D,Buresti G,Di Cristo L,Sabella S,Iavicoli S,Cavallo D

更新日期：2020-12-29 00:00:00

abstract：:Here, we evaluate the extent of sorption of silver nanoparticles (AgNPs) with different primary sizes (30 and 70 nm) and surface properties (branched polyethylene imine, "bPEI" and citrate coating) to laboratory plastic during (eco)toxicological testing. Under conditions of algal growth inhibition assay, up to 97% of ...

journal_title：Nanotoxicology

authors： Malysheva A,Ivask A,Hager C,Brunetti G,Marzouk ER,Lombi E,Voelcker NH

更新日期：2016-01-01 00:00:00

abstract：:To address the impact of cadmium sulphide nanoparticles (CdSNPs) of two different sizes (8 and 50 nm), Danio rerio zebrafish were dietary exposed to very low doses: 100 or 40 ng CdSNPs/day/g body weight for 36 or 60 days, respectively. The results obtained using RAPD-PCR genotoxicity test showed genomic alteration sin...

journal_title：Nanotoxicology

authors： Ladhar C,Geffroy B,Cambier S,Treguer-Delapierre M,Durand E,Brèthes D,Bourdineaud JP

更新日期：2014-09-01 00:00:00

abstract：:Abstract Nickel, zinc, and copper oxide nanoparticles (NiONP, ZnONP, and CuONP) and their aqueous extracts (AEs) were applied to A549 lung epithelial cells to determine the cytotoxicity, IL-8 production, and activation of transcription factors. Nanoparticles (NPs) and their AEs were also instilled into rat lungs to ...

journal_title：Nanotoxicology

authors： Cho WS,Duffin R,Poland CA,Duschl A,Oostingh GJ,Macnee W,Bradley M,Megson IL,Donaldson K

更新日期：2012-02-01 00:00:00