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New insights on the agglomeration and sedimentation behaviours
网页2023年2月1日The agglomeration and sedimentation behaviours of catalyst ink of proton-exchange membrane fuel cells are vital for the properties of the ink and the formation of the catalyst layer. The ionomers affect the microstructure and interparticle interaction of
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Cell Aggregation and Sedimentation 5 Cell Adhesion in
网页This chapter overviews the fundamentals of cell aggregation and sedimentation with liberal reference to other sources. It describes traditional applications of cell aggregation and
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Assessment of agglomeration, co-sedimentation and
网页2016年8月17日Factors such as surface interactions (adsorption or hetero-agglomeration), internalisation, oxidative stress, membrane damage
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Agglomeration, sedimentation, and cellular toxicity of
网页2010年11月25日The effects of agglomeration and sedimentation on cellular toxicity were investigated using four different floating and adherent cells (Fig. 4). For floating
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Agglomeration and sedimentation of TiO2 nanoparticles in cell
网页2009年1月1日The agglomeration rate and sedimentation rate increased with particles’ concentration. The size of the agglomerates at 100 mg/L TiO 2 was significantly
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Sedimentation an overview ScienceDirect Topics
网页Sedimentation is a settling process in which gravity causes heavier solids to collect at the bottom of containment vessel, separated from the suspending fluid. The sedimentation
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ISDD: A computational model of particle sedimentation PubMed
网页2010年11月30日Results: The In vitro Sedimentation, Diffusion and Dosimetry model (ISDD) was tested against measured transport rates or cellular doses for multiple sizes of
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A comparison of techniques for size measurement of
网页The agglomeration of the nanoparticles induced by the cell culture medium had a significant influence on the DLS measurements, rendering the numerical results unusable, and led to a significant size increase in PTA,
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On the state and stability of fuel cell catalyst inks
网页2021年10月1日Interestingly, the sedimentation front III becomes diffused towards the lower end of the sample cell after 2 h of experimental elapse time. This is because of the
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Agglomeration and sedimentation of TiO2 nanoparticles in cell
网页2009年1月1日The agglomeration rate and sedimentation rate increased with particles' concentration. The size of the agglomerates at 100 mg/L TiO2 was significantly reduced,
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Effects of humic acid and bovine serum albumin on the agglomeration
网页2014年8月8日To better understand the nanoparticle (NP) transport in the environment, the agglomeration and sedimentation of Al 2 O 3, SiO 2, and TiO 2 NPs were evaluated after being treated with bovine serum albumin (BSA) and a commercial humic acid (HA). The morphology of NP agglomerates was examined through a transmission electron
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Size-dependent cytotoxicity of silver nanoparticles in human lung
网页2014年2月17日Changes in hydrodynamic size distribution and state of agglomeration of all AgNPs monitored directly after dispersion (0 h) and after 4 h as well as 24 h in cell medium (BEGM) are presented as density distribution (by volume) with size in Figure 1B together with the changes in scattered light intensities for the corresponding time points.
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Sedimentation an overview ScienceDirect Topics
网页However, this method can only be applied to large-cell microalgae (> In environmental fate modeling, sedimentation, agglomeration, and aggregation are all interlinked [66]. Nanoparticles show Brownian motion and Brownian agglomeration, but as they slowly aggregate/agglomerate, gravitational agglomeration becomes dominant.
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Colloids and Surfaces B: Biointerfaces ResearchGate
网页Agglomeration and sedimentation of TiO2 nanoparticles in cell culture medium Zouhir E. Allouni a,Mihaela R. Cimpan ,PaulJ.Høl b,c ∗,Tore Skodvin d,Nils R. Gjerdet a
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Difficulties and flaws in performing accurate determinations of
网页2017年7月27日Case study 3: Effect of rapid particle agglomeration, sedimentation and dissolution on the zeta potential. This case study addresses difficulties to estimate the ZP of rapidly dissolving, In media of high ionic strength, e.g. cell media used in nanotoxicological assays that have an ionic strength of approx. 150 mM,
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ISDD: A computational model of particle sedimentation PubMed
网页2010年11月30日We have developed a computational model of solution particokinetics (sedimentation, diffusion) and dosimetry for non-interacting spherical particles and their agglomerates in monolayer cell culture systems. Particle transport to cells is calculated by simultaneous solution of Stokes Law (sedimentation) and the Stokes-Einstein equation
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Agglomeration, sedimentation, and cellular toxicity of alumina
网页Agglomeration, sedimentation, and cellular toxicity of alumina nanoparticles in cell culture medium . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email you a reset link.
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(PDF) Agglomeration and sedimentation of TiO2 nanoparticles in cell
网页2008年10月1日Agglomeration and sedimentation of TiO 2 nanoparticles in cell culture medium Zouhir E. Allouni a,Mihaela R. Cimpan a ,P a u lJ .H øl b,c,∗,Tore Skodvin d,Nils R. Gjerdet a,b
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Nanomaterials Free Full-Text Agglomeration State of Titanium
网页2021年11月27日Extensive production and use of nanomaterials (NMs), such as titanium dioxide (TiO2), raises concern regarding their potential adverse effects to humans. While considerable efforts have been made to assess the safety of TiO2 NMs using in vitro and in vivo studies, results obtained to date are unreliable, possibly due to the dynamic
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New insights on the agglomeration and sedimentation
网页2023年2月1日The agglomeration and sedimentation behaviours of catalyst ink of proton-exchange membrane fuel cells are vital for the properties of the ink and the formation of the catalyst layer.The ionomers affect the microstructure and interparticle interaction of the ink, subsequently affecting macro-properties. In this study, inks with ionomer-to
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Fluorescent analysis of bioactive molecules in single cells based
网页2018年4月17日Abstract. Single-cell analysis of bioactive molecules is an essential strategy for a better understanding of cell biology, exploring cell heterogeneity, and improvement of the ability to detect early diseases. In single-cell analysis, highly efficient single-cell manipulation techniques and high-sensitive detection schemes are in urgent
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(PDF) Agglomeration and sedimentation of TiO2 nanoparticles in cell
网页Agglomeration and sedimentation of TiO2 nanoparticles in cell culture medium . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this We demonstrated that cytotoxicity assays based on specialized cell functions exhib Download Free PDF View PDF. Journal of Nanobiotechnology.
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Oxide nanoparticle uptake in human lung fibroblasts: effects of
网页2005年12月1日Quantitative studies on the uptake of nanoparticles into biological systems should consider simultaneous agglomeration, sedimentation, and diffusion at physiologically relevant concentrations to assess the corresponding risks of nanomaterials to human health. In this , the transport and uptake
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A comparison of techniques for size measurement of
网页The higher level of agglomeration of the NP–NH 2 with respect to NP-plain is most likely driven by the low zeta-potential of the former. 27 In addition, in cell culture medium there may be an active bonding of the amine surface
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Dispersion and sedimentation of titanium dioxide nanoparticles
网页2 agglomeration found. Additionally, the hydrodynamic size of nTiO 2 suspension in the presence of arsenate was significantly larger, increasing with arsenate concentration in ultrapure water. Conversely, the hydrodynamic size in BG-11 and SM7 decreased with arsenate concentration. The nTiO 2 sedimentation rate increased significantly with
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Structural stability of catalyst ink and its effects on the catalyst
网页2022年1月1日The catalyst layer (CL) is a key component of proton exchange membrane fuel cell (PEMFC). As the place where the electrochemical reaction takes place, the CL microstructure controls the transport properties of electrons, protons, reactants and products, thus largely determining the PEMFC performance [1, 2].Generally, CL is
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Full article: Dispersion and sedimentation of titanium dioxide
网页ABSTRACT. Little information is available on Titanium dioxide nanoparticles (nTiO 2) behavior in different culture media for aquatic organisms.This study aimed to accurately evaluate nTiO 2 dispersion and sedimentation in common freshwater algae (BG-11) and daphnia aquatic (SM7) culture media. We additionally investigated potential mechanisms
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Toxicity of stainless and mild steel particles generated from gas
网页2021年11月8日This is, at least in part, mediated by the higher agglomeration and sedimentation of the welding particles in the serum free medium of the hSAEC cells compared with the serum enriched medium of
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ISDD: A computational model of particle sedimentation, diffusion
网页2010年11月30日Most nanoparticles exist in some degree of agglomeration in cell culture medium . Agglomeration affects particle shape, density and size, with corresponding effects on both diffusion and sedimentation [12, 30].
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Agglomeration, sedimentation, and cellular toxicity of alumina
网页Agglomeration, sedimentation, and cellular toxicity of alumina nanoparticles in cell culture medium . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email you a reset link.
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