Showing 1-30 of 1968 results for "nanomaterials"
Muqsit Pirzada et al.
Sensors (Basel, Switzerland), 19(23) (2019-12-08)
In recent years, an increasing number of nanomaterials have been explored for their applications in biomedical diagnostics, making their applications in healthcare biosensing a rapidly evolving field. Nanomaterials introduce versatility to the sensing platforms and may even allow mobility between...
Andrea Zijno et al.
Journal of applied toxicology : JAT, 40(11), 1511-1525 (2020-07-02)
The European Union (EU) continuously takes ensuring the safe use of manufactured nanomaterials (MNMs) in consumer products into consideration. The application of a common approach for testing MNMs, including the use of optimized protocols and methods' selection, becomes increasingly important...
Po-Hsun Huang et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 6(19), 1900913-1900913 (2019-10-09)
Synthesis of nanoparticles and particulate nanomaterials with tailored properties is a central step toward many applications ranging from energy conversion and imaging/display to biosensing and nanomedicine. While existing microfluidics-based synthesis methods offer precise control over the synthesis process, most of...
Tirto Soenaryo et al.
Chemosphere, 210, 567-576 (2018-07-22)
Contamination of soil by engineered nanomaterials (ENM) is an emergent environmental problem that urges the development of robust treatment protocols to prevent ENM transport through soil. We developed a method for efficient entrapment and retention of ENM in solid porous...
John P Moore Ii et al.
Molecules (Basel, Switzerland), 25(8) (2020-04-23)
The 2,2,6,6-tetramethylpiperidin-1-oxyl (TEMPO) oxidation of cellulose, when mediated with Oxone® (KHSO5), can be performed simply and under mild conditions. Furthermore, the products of the reaction can be isolated into two major components: Oxone®-mediated TEMPO-oxidized cellulose nanomaterials Form I and Form...
Kunal Bhattacharya et al.
Nanotoxicology, 11(6), 809-826 (2017-08-18)
Engineered nanomaterials (ENMs) are being produced for an increasing number of applications. Therefore, it is important to assess and categorize ENMs on the basis of their hazard potential. The immune system is the foremost defence against foreign bodies. Here we...
Mazaher Ahmadi et al.
Analytica chimica acta, 958, 1-21 (2017-01-24)
In recent years, application of nanomaterials as sorbent has gained the attention of researchers in bioanalysis. Different nanomaterials have been utilized as the sorbent in extraction techniques such as solid phase extraction, dispersive solid phase extraction, magnetic solid phase extraction...
Renia Fotiadou et al.
Nanomaterials (Basel, Switzerland), 9(6) (2019-05-31)
In the present study, hybrid nanoflowers (HNFs) based on copper (II) or manganese (II) ions were prepared by a simple method and used as nanosupports for the development of effective nanobiocatalysts through the immobilization of lipase B from Pseudozymaantarctica. The...
R V Kumaraswamy et al.
International journal of biological macromolecules, 113, 494-506 (2018-02-27)
Excessive use of agrochemicals for enhancing crop production and its protection posed environmental and health concern. Integration of advanced technology is required to realize the concept of precision agriculture by minimizing the input of pesticides and fertilizers per unit while...
Fadri Gottschalk et al.
Environmental pollution (Barking, Essex : 1987), 181, 287-300 (2013-07-17)
Scientific consensus predicts that the worldwide use of engineered nanomaterials (ENM) leads to their release into the environment. We reviewed the available literature concerning environmental concentrations of six ENMs (TiO2, ZnO, Ag, fullerenes, CNT and CeO2) in surface waters, wastewater...
Victor C Ude et al.
Particle and fibre toxicology, 14(1), 31-31 (2017-08-25)
Copper oxide nanomaterials (CuO NMs) are exploited in a diverse array of products including antimicrobials, inks, cosmetics, textiles and food contact materials. There is therefore a need to assess the toxicity of CuO NMs to the gastrointestinal (GI) tract since...
R A González-Fuenzalida et al.
Journal of chromatography. A, 1432, 17-25 (2016-01-23)
Following the present trends in miniaturization, a methodology that combines on-line In-Tube Solid-Phase Microextraction (IT-SPME) with Liquid Nanochromatography (nano-LC) and UV-vis diode array detection (DAD) was developed. This coupling was achieved by using two interconnected valves (i.e. conventional and micro-automatic...
Shafeer Kalathil et al.
Biotechnology advances, 31(6), 915-924 (2013-05-18)
Microorganisms naturally form biofilms on solid surfaces for their mutual benefits including protection from environmental stresses caused by contaminants, nutritional depletion or imbalances. The biofilms are normally dangerous to human health due to their inherited robustness. On the other hand...
Dongwook Kim et al.
Biomaterials, 35(23), 6026-6036 (2014-05-03)
The polygenetic nature of most cancers emphasizes the necessity of cancer therapies that target multiple essential signaling pathways. However, there is a significant paucity of targeting ligands with multi-specificities for targeted delivery of biomaterials. To address this unmet need, we...
Xiaolin Li et al.
Nanoscale research letters, 9(1), 583-583 (2014-10-28)
We examined the toxicity of four carbon-based nanomaterials (unmodified) by using carbon quantum dots (CQDs), graphene quantum dots (GQDs), graphene oxide (GO), and single-walled carbon nanotubes (SWCNTs) to cultivate bean sprout. Results showed that the toxicity of these four carbon...
Susana I L Gomes et al.
International journal of environmental research and public health, 12(6), 6858-6878 (2015-06-19)
The effects of several copper (Cu) and silver (Ag) nanomaterials were assessed using the cellular energy allocation (CEA), a methodology used to evaluate the energetic status and which relates with organisms' overall condition and response to toxic stress. Enchytraeus crypticus...
Jiamao Chen et al.
Journal of applied toxicology : JAT, 39(5), 798-806 (2019-01-09)
We recently synthesized ZnO nanomaterials (denoted as ZnO nanorods [NRs] and Mini-NRs) and suggested that their cytotoxicity could be related with the activation of endoplasmic reticulum (ER) stress apoptosis. However, in a complex biological microenvironment, the ER stress-apoptosis pathway could...
Yu Zhang et al.
Molecules (Basel, Switzerland), 23(9) (2018-09-14)
Viruses are widely used to fabricate nanomaterials in the field of nanotechnology. Plant viruses are of great interest to the nanotechnology field because of their symmetry, polyvalency, homogeneous size distribution, and ability to self-assemble. This homogeneity can be used to...
Vera L Maria et al.
Proteomics, 18(19), e1800091-e1800091 (2018-08-11)
The transcriptome of the ecotoxicological model Enchytraeus crypticus (known as potworm) is well studied, but the downstream changes at the protein level remained a gap. Changes in the protein regulation following exposure to CuO nanomaterial (NM) and Cu salt (CuCl2...
Andrew J Chetwynd et al.
Small (Weinheim an der Bergstrasse, Germany), 16(21), e2000295-e2000295 (2020-04-03)
Nanomaterials (NMs) are promptly coated with biomolecules in biological systems leading to the formation of the so-called corona. To date, research has predominantly focused on the protein corona and how it affects NM uptake, distribution, and bioactivity by conferring a...
Dejian Yan et al.
Journal of applied toxicology : JAT, 39(2), 231-240 (2018-08-31)
Understanding the possible role of physicochemical properties in determining the toxicity of ZnO nanomaterials (NMs) is crucial for the safe use of ZnO-based materials. In this study, we synthesized four types of ZnO NMs, and characterized them as ZnO nanorods...
Ji Lu et al.
Water research, 169, 115205-115205 (2019-11-02)
The release of silver nanomaterials (AgNMs) from extensive use poses potential risks to human health and ecological environments. Although previous studies have reported the negative effects of AgNMs on various microorganisms, little is known about the response of bacteria under...
Alaeddin B Abukabda et al.
Toxicology and applied pharmacology, 367, 51-61 (2019-02-04)
The fetal consequences of gestational engineered nanomaterial (ENM) exposure are unclear. The placenta is a barrier protecting the fetus and allowing transfer of substances from the maternal circulation. The purpose of this study was to determine the effects of maternal...
Santosh Phuyal et al.
Toxicology in vitro : an international journal published in association with BIBRA, 44, 230-240 (2017-07-27)
The most plausible exposure route to manufactured nanomaterials (MNM) remains pulmonary inhalation. Yet, few studies have attempted to assess carcinogenic properties in vitro following long-term exposure of human pulmonary cells to low and occupationally relevant doses. The most advanced in...
Thomas Loret et al.
Particle and fibre toxicology, 13(1), 58-58 (2016-12-07)
Recently, much progress has been made to develop more physiologic in vitro models of the respiratory system and improve in vitro simulation of particle exposure through inhalation. Nevertheless, the field of nanotoxicology still suffers from a lack of relevant in...
Susan Dekkers et al.
Particle and fibre toxicology, 16(1), 39-39 (2019-10-30)
Engineered nanoparticles (NPs) have been shown to enhance allergic airways disease in mice. However, the influence of the different physicochemical properties of these particles on their adjuvant properties is largely unknown. Here we investigate the effects of chemical composition and...
Yan Xu et al.
Journal of nanobiotechnology, 15(1), 50-50 (2017-07-12)
Increasing production of nanomaterials requires fast and proper assessment of its potential toxicity. Therefore, there is a need to develop new assays that can be performed in vitro, be cost effective, and allow faster screening of engineered nanomaterials (ENMs). Herein...
Yongqi Liang et al.
Dose-response : a publication of International Hormesis Society, 17(3), 1559325819865713-1559325819865713 (2019-08-07)
Polyphenols as typical food components can influence the colloidal properties and internalization of nanomaterials (NMs) into mammalian cells. Recently, we found that 3-hydroxyflavone (H3) promoted intracellular Zn ions in ZnO nanoparticle (NP) exposed Caco-2 and HepG2 cells. However, it is...
Tatiana Andreani et al.
Environmental science and pollution research international, 27(16), 19845-19857 (2020-04-01)
This work reports the role of different dispersants, namely, polyethylene glycol (PEG 200 2%), ethylene glycol 5%, ethanol 2%, dimethyl sulfoxide (DMSO 5%), and polyvinyl alcohol (PVA 5%) in the toxicity profile of several commercial nanomaterials (NM), such as hydrophilic...
Raghav Garg et al.
ACS nano, 11(6), 6301-6311 (2017-05-27)
Graphene, a honeycomb sp

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