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Search for "quantitative analysis" in Full Text gives 158 result(s) in Beilstein Journal of Nanotechnology.

Alloyed Pt3M (M = Co, Ni) nanoparticles supported on S- and N-doped carbon nanotubes for the oxygen reduction reaction

  • Stéphane Louisia,
  • Yohann R. J. Thomas,
  • Pierre Lecante,
  • Marie Heitzmann,
  • M. Rosa Axet,
  • Pierre-André Jacques and
  • Philippe Serp

Beilstein J. Nanotechnol. 2019, 10, 1251–1269, doi:10.3762/bjnano.10.125

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  • could be leached during the ink preparation and then trapped by the ionomer. Based on the quantitative analysis of the catalyst composition, it can be calculated that for the unwashed Pt3Co/N-CNT, 1.5 µmol of Co2+ is released into the ink, for each square centimeter of prepared MEA. As the cathode
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Published 21 Jun 2019

Porous N- and S-doped carbon–carbon composite electrodes by soft-templating for redox flow batteries

  • Maike Schnucklake,
  • László Eifert,
  • Jonathan Schneider,
  • Roswitha Zeis and
  • Christina Roth

Beilstein J. Nanotechnol. 2019, 10, 1131–1139, doi:10.3762/bjnano.10.113

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  • in the functional groups on the surface of the fibers increases their hydrophilicity and hence their electrochemical performance [28][29]. We refrained, however, from quantitative analysis due to the inherent restrictions of fitting the rather broad C 1s and O 1s peaks with a multitude of individual
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Published 28 May 2019

Quantitative analysis of annealing-induced instabilities of photo-leakage current and negative-bias-illumination-stress in a-InGaZnO thin-film transistors

  • Dapeng Wang and
  • Mamoru Furuta

Beilstein J. Nanotechnol. 2019, 10, 1125–1130, doi:10.3762/bjnano.10.112

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Published 27 May 2019

Influence of dielectric layer thickness and roughness on topographic effects in magnetic force microscopy

  • Alexander Krivcov,
  • Jasmin Ehrler,
  • Marc Fuhrmann,
  • Tanja Junkers and
  • Hildegard Möbius

Beilstein J. Nanotechnol. 2019, 10, 1056–1064, doi:10.3762/bjnano.10.106

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  • from different forces. Therefore, the quantitative analysis of magnetic properties is still an issue especially because of contributions from electrostatic forces leading to topographic features in the MFM phase images [7][9][10][11][12][13][14]. Yu et al. [9] explained the topographic artifacts by
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Published 17 May 2019

Serum type and concentration both affect the protein-corona composition of PLGA nanoparticles

  • Katrin Partikel,
  • Robin Korte,
  • Dennis Mulac,
  • Hans-Ulrich Humpf and
  • Klaus Langer

Beilstein J. Nanotechnol. 2019, 10, 1002–1015, doi:10.3762/bjnano.10.101

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  • complexes from excess serum proteins we used sodium dodecylsulfate polyacrylamide gel electrophoresis (SDS-PAGE), zeta potential measurements, and liquid chromatography–mass spectrometry/mass spectrometry (LC–MS/MS) to study the composition of adsorbed proteins in detail. A quantitative analysis of corona
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Published 06 May 2019

Biomimetic synthesis of Ag-coated glasswing butterfly arrays as ultra-sensitive SERS substrates for efficient trace detection of pesticides

  • Guochao Shi,
  • Mingli Wang,
  • Yanying Zhu,
  • Yuhong Wang,
  • Xiaoya Yan,
  • Xin Sun,
  • Haijun Xu and
  • Wanli Ma

Beilstein J. Nanotechnol. 2019, 10, 578–588, doi:10.3762/bjnano.10.59

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  • .-20 SERS substrate for quantitative analysis. The reproducibility detection of pesticide molecules by Ag-G.b.-20 substrate was also conducted by employing 10−8 mg/mL acephate solution, and the Raman spectra recorded from 25 randomly selected points are shown in Figure 7d. The RSD values of 1185 and
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Published 28 Feb 2019

Quantification and coupling of the electromagnetic and chemical contributions in surface-enhanced Raman scattering

  • Yarong Su,
  • Yuanzhen Shi,
  • Ping Wang,
  • Jinglei Du,
  • Markus B. Raschke and
  • Lin Pang

Beilstein J. Nanotechnol. 2019, 10, 549–556, doi:10.3762/bjnano.10.56

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  • provides for a novel design principle to optimize SERS substrates for sensing and photocatalysis in a new systematic manner for quantitative analysis and photochemistry. New theoretical work to investigate the underlying electronic and vibronic structure of the metal–molecule system under different
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Published 25 Feb 2019

Interaction of Te and Se interlayers with Ag or Au nanofilms in sandwich structures

  • Arkadiusz Ciesielski,
  • Lukasz Skowronski,
  • Marek Trzcinski,
  • Ewa Górecka,
  • Wojciech Pacuski and
  • Tomasz Szoplik

Beilstein J. Nanotechnol. 2019, 10, 238–246, doi:10.3762/bjnano.10.22

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  • the Se 3d line overlaps with both the Au 5p3/2 and Ag 4p3/2 lines. Therefore we used the SeLMM Auger line as an indication of the presence of selenium. Determining the Se concentration within the sample is prone to high errors and quantitative analysis is problematic. Figure 2 (right), presents the
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Published 21 Jan 2019

Scanning probe microscopy for energy-related materials

  • Rüdiger Berger,
  • Benjamin Grévin,
  • Philippe Leclère and
  • Yi Zhang

Beilstein J. Nanotechnol. 2019, 10, 132–134, doi:10.3762/bjnano.10.12

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  • of performing KPFM measurements on nanoscale electrical devices [4]. In particular, the knowledge of the true potential of surfaces is required for the analysis of cross-sections of solar cell devices [5][6]. Thus, this work is the basis for future quantitative analysis of nanoscale devices even
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Published 10 Jan 2019

Characterization and influence of hydroxyapatite nanopowders on living cells

  • Przemyslaw Oberbek,
  • Tomasz Bolek,
  • Adrian Chlanda,
  • Seishiro Hirano,
  • Sylwia Kusnieruk,
  • Julia Rogowska-Tylman,
  • Ganna Nechyporenko,
  • Viktor Zinchenko,
  • Wojciech Swieszkowski and
  • Tomasz Puzyn

Beilstein J. Nanotechnol. 2018, 9, 3079–3094, doi:10.3762/bjnano.9.286

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  • representative SEM images using the ImageJ software [34]. SEM in combination with an X-ray microanalyser (EDS, energy dispersion spectroscopy) was used to carry out chemical pre-analysis. EDS was carried out in dark-field (accelerating voltage = 8 kV, 2 min scan, ca. 10,000 counts) and quantitative analysis was
  • quantitative analysis of nanopowders [54]. AFM allowed for 3D topography reconstruction and phase-contrast acquisition yielding for deeper insight into nanoscale features of the tested materials. It is important to note that nanoparticle imaging requires scanning probes with a small tip radius, otherwise the
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Published 27 Dec 2018

Co-intercalated layered double hydroxides as thermal and photo-oxidation stabilizers for polypropylene

  • Qian Zhang,
  • Qiyu Gu,
  • Fabrice Leroux,
  • Pinggui Tang,
  • Dianqing Li and
  • Yongjun Feng

Beilstein J. Nanotechnol. 2018, 9, 2980–2988, doi:10.3762/bjnano.9.277

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  • composite films were tailored to a size of 20 × 20 × 0.1 mm and thermally aged at 150 °C. Every 80 min, the composition was monitored by FTIR. For the quantitative analysis of the degradation, the integrated area of peaks in the range of 1810–1660 cm−1, assigned to carbonyl groups was used. The photo
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Published 05 Dec 2018
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  • 9.54 and 9.93 V when the TIGZO further increases to 75 and 100 nm. For further quantitative analysis of the origin of the NBIS-induced hysteresis, a positive gate pulse mode is carried out just after the NBIS duration of 104 s. Based on our previous publication [17], the optimized condition of a
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Published 26 Sep 2018

ZnO-nanostructure-based electrochemical sensor: Effect of nanostructure morphology on the sensing of heavy metal ions

  • Marina Krasovska,
  • Vjaceslavs Gerbreders,
  • Irena Mihailova,
  • Andrejs Ogurcovs,
  • Eriks Sledevskis,
  • Andrejs Gerbreders and
  • Pavels Sarajevs

Beilstein J. Nanotechnol. 2018, 9, 2421–2431, doi:10.3762/bjnano.9.227

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  • more potential applications. Electrochemical methods such as cyclic voltammetry (CV), impedance spectroscopy (IS) and differential pulse voltammetry (DPV) are highly efficient in both qualitative and quantitative analysis of solutions [9][10][11]. These methods allow for the detection of hazardous
  • of nanotubes, as was observed in CV measurements (Figure 4), but also in the cases of nanoneedles and even for nanorods. Conclusion Overall, it can be concluded that the CV technique is suitable for qualitative process monitoring, but the DPV measurements are more suitable for quantitative analysis
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Published 11 Sep 2018

Biomimetic and biodegradable cellulose acetate scaffolds loaded with dexamethasone for bone implants

  • Aikaterini-Rafailia Tsiapla,
  • Varvara Karagkiozaki,
  • Veroniki Bakola,
  • Foteini Pappa,
  • Panagiota Gkertsiou,
  • Eleni Pavlidou and
  • Stergios Logothetidis

Beilstein J. Nanotechnol. 2018, 9, 1986–1994, doi:10.3762/bjnano.9.189

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  • degradation pattern of which is appropriate for this application, contributed positively to the anti-inflammatory action of dexamethasone and not to its immunosuppressive action. Cytocompatibility behavior The MTT assay shows the quantitative analysis of cell proliferation as a function of the time. The MTT
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Published 13 Jul 2018

Quantitative comparison of wideband low-latency phase-locked loop circuit designs for high-speed frequency modulation atomic force microscopy

  • Kazuki Miyata and
  • Takeshi Fukuma

Beilstein J. Nanotechnol. 2018, 9, 1844–1855, doi:10.3762/bjnano.9.176

Graphical Abstract
  • response speeds of multiplication-based PCs. In addition, when a LPF is used in a PLL circuit, it is placed in the phase feedback loop, so its influence is further amplified. For quantitative analysis, we present the latency-versus-frequency curves of different filters in Figure 2(iii). The design
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Published 21 Jun 2018

SO2 gas adsorption on carbon nanomaterials: a comparative study

  • Deepu J. Babu,
  • Divya Puthusseri,
  • Frank G. Kühl,
  • Sherif Okeil,
  • Michael Bruns,
  • Manfred Hampe and
  • Jörg J. Schneider

Beilstein J. Nanotechnol. 2018, 9, 1782–1792, doi:10.3762/bjnano.9.169

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  • functionalities on the surface (1.43 atom % for VACNTs). For VACNTs, using XPS depth profile measurements we have previously shown that the oxygen functionalities are present only in the top few nanometers of typically several hundred micrometer long CNTs [44]. The results of XPS quantitative analysis are
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Published 13 Jun 2018

Controllable one-pot synthesis of uniform colloidal TiO2 particles in a mixed solvent solution for photocatalysis

  • Jong Tae Moon,
  • Seung Ki Lee and
  • Ji Bong Joo

Beilstein J. Nanotechnol. 2018, 9, 1715–1727, doi:10.3762/bjnano.9.163

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  • . Although zeta potential values of TiO2 samples do not exactly represent quantitative analysis of surface functional groups, it is a useful method to estimate the surface charge which is highly related with the surface OH group. The results show that the zeta potential values are estimated to be
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Published 08 Jun 2018

Magnetic characterization of cobalt nanowires and square nanorings fabricated by focused electron beam induced deposition

  • Federico Venturi,
  • Gian Carlo Gazzadi,
  • Amir H. Tavabi,
  • Alberto Rota,
  • Rafal E. Dunin-Borkowski and
  • Stefano Frabboni

Beilstein J. Nanotechnol. 2018, 9, 1040–1049, doi:10.3762/bjnano.9.97

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  • those previously observed, and is characterized by two pairs of consecutive domains running along the sides of the square symmetrically with respect to the diagonal. Such a magnetization arrangement is referred to as an “onion” state [43]. By carrying out a quantitative analysis on Figure 3e, a contrast
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Published 03 Apr 2018

Single-crystalline FeCo nanoparticle-filled carbon nanotubes: synthesis, structural characterization and magnetic properties

  • Rasha Ghunaim,
  • Maik Scholz,
  • Christine Damm,
  • Bernd Rellinghaus,
  • Rüdiger Klingeler,
  • Bernd Büchner,
  • Michael Mertig and
  • Silke Hampel

Beilstein J. Nanotechnol. 2018, 9, 1024–1034, doi:10.3762/bjnano.9.95

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  • about 60 × 50 µm2 (see Figure S1 in Supporting Information File 1), whereas in TEM-EDX, the relative ratio was obtained for a large number of individual nanoparticles. Quantitative analysis indicates the average atomic percentage of Fe is 51.2 ± 1.0 atom % and 48.8 ± 1.0 atom % for Co in Fe50Co50@CNT
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Published 29 Mar 2018

Cyclodextrin inhibits zinc corrosion by destabilizing point defect formation in the oxide layer

  • Abdulrahman Altin,
  • Maciej Krzywiecki,
  • Adnan Sarfraz,
  • Cigdem Toparli,
  • Claudius Laska,
  • Philipp Kerger,
  • Aleksandar Zeradjanin,
  • Karl J. J. Mayrhofer,
  • Michael Rohwerder and
  • Andreas Erbe

Beilstein J. Nanotechnol. 2018, 9, 936–944, doi:10.3762/bjnano.9.86

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  • stronger. Although there are procedures that allow for a quantitative analysis of the depth dependence of photoemission information [23][25], material constants that are not exactly known for the β-CD/ZnO system are required for application of these procedures. Therefore, the presented depth information is
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Published 20 Mar 2018

Nanoscale mapping of dielectric properties based on surface adhesion force measurements

  • Ying Wang,
  • Yue Shen,
  • Xingya Wang,
  • Zhiwei Shen,
  • Bin Li,
  • Jun Hu and
  • Yi Zhang

Beilstein J. Nanotechnol. 2018, 9, 900–906, doi:10.3762/bjnano.9.84

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  • both of the wetting and dielectric properties of the sample. Based on this principle, a quantitative analysis on the dielectric constant of macroscopic film has been realized by measuring the surface–water contact angle and adhesion force between the dielectric layer and a biased AFM tip [38]. Recently
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Published 16 Mar 2018

Tuning adhesion forces between functionalized gold colloidal nanoparticles and silicon AFM tips: role of ligands and capillary forces

  • Sven Oras,
  • Sergei Vlassov,
  • Marta Berholts,
  • Rünno Lõhmus and
  • Karine Mougin

Beilstein J. Nanotechnol. 2018, 9, 660–670, doi:10.3762/bjnano.9.61

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  • during the measurements, contamination of the sample by air-born materials etc. In addition, the exact contact area between tip/nanoparticle is unknown, which complicates quantitative analysis and interpretation. The size effect of nanoscale adhesion is not yet fully understood and is on the way to be
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Published 20 Feb 2018

Towards 3D crystal orientation reconstruction using automated crystal orientation mapping transmission electron microscopy (ACOM-TEM)

  • Aaron Kobler and
  • Christian Kübel

Beilstein J. Nanotechnol. 2018, 9, 602–607, doi:10.3762/bjnano.9.56

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  • , and orientation density [28][29][33]. The quantitative analysis capability makes it a very unique tool for the investigation of nanomaterials. However, it has been shown that the orientation analysis is challenging when crystals partially overlap in projection, and the orientation of the main crystal
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Published 15 Feb 2018

Humidity-dependent wound sealing in succulent leaves of Delosperma cooperi – An adaptation to seasonal drought stress

  • Olga Speck,
  • Mark Schlechtendahl,
  • Florian Borm,
  • Tim Kampowski and
  • Thomas Speck

Beilstein J. Nanotechnol. 2018, 9, 175–186, doi:10.3762/bjnano.9.20

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  • the quantitative analysis of the relative bending angle γn after a transversal wounding as a measure of the self-sealing efficiency depending on various humidity conditions in the wound region (24, 49 and 100 % relative air humidity, water droplet) (see Supporting Information File 1) and as a measure
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Published 16 Jan 2018

Transition from silicene monolayer to thin Si films on Ag(111): comparison between experimental data and Monte Carlo simulation

  • Alberto Curcella,
  • Romain Bernard,
  • Yves Borensztein,
  • Silvia Pandolfi and
  • Geoffroy Prévot

Beilstein J. Nanotechnol. 2018, 9, 48–56, doi:10.3762/bjnano.9.7

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  • measurements or to the different evaporation rates used during the experiments. Conclusion The quantitative analysis of the evolution of AES intensity during Si growth at different temperatures shows that the growth mechanism is different for low temperature deposition (T = 200 K) and in the regime described
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Published 05 Jan 2018
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