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Search for "quartz crystal microbalance" in Full Text gives 47 result(s) in Beilstein Journal of Nanotechnology.

Ordering of Zn-centered porphyrin and phthalocyanine on TiO2(011): STM studies

  • Piotr Olszowski,
  • Lukasz Zajac,
  • Szymon Godlewski,
  • Bartosz Such,
  • Rémy Pawlak,
  • Antoine Hinaut,
  • Res Jöhr,
  • Thilo Glatzel,
  • Ernst Meyer and
  • Marek Szymonski

Beilstein J. Nanotechnol. 2017, 8, 99–107, doi:10.3762/bjnano.8.11

Graphical Abstract
  • variable temperature (VT) scanning tunneling microscope (STM), an ion gun, an effusion cell manufactured by Kentax GmbH, and a quartz crystal microbalance. The base pressure in the system was kept at 1 × 10−10 mbar. The rutile TiO2(011) samples purchased from MaTeck were prepared in a standard procedure by
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Published 11 Jan 2017

Surface-enhanced Raman scattering of self-assembled thiol monolayers and supported lipid membranes on thin anodic porous alumina

  • Marco Salerno,
  • Amirreza Shayganpour,
  • Barbara Salis and
  • Silvia Dante

Beilstein J. Nanotechnol. 2017, 8, 74–81, doi:10.3762/bjnano.8.8

Graphical Abstract
  • during the second step, were independently monitored by using a quartz crystal microbalance with dissipation monitoring (QCM-D) technique. The SLB membranes represent a simplified model system of the living cells membranes, which makes the successful observation of SERS on these films promising in view
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Published 09 Jan 2017

Low temperature co-fired ceramic packaging of CMOS capacitive sensor chip towards cell viability monitoring

  • Niina Halonen,
  • Joni Kilpijärvi,
  • Maciej Sobocinski,
  • Timir Datta-Chaudhuri,
  • Antti Hassinen,
  • Someshekar B. Prakash,
  • Peter Möller,
  • Pamela Abshire,
  • Sakari Kellokumpu and
  • Anita Lloyd Spetz

Beilstein J. Nanotechnol. 2016, 7, 1871–1877, doi:10.3762/bjnano.7.179

Graphical Abstract
  • spectroscopy [1], electrochemical quartz crystal microbalance measurements [2], optical sensing [3], impedimetric sensing [4][5][6], and capacitive sensing [7][8][9][10][11]. The lab-on-a-chip (LoC) concept is an excellent way to implement label-free, noninvasive, cost-effective cytotoxicity assessment. LoCs
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Published 29 Nov 2016

Monolayer graphene/SiC Schottky barrier diodes with improved barrier height uniformity as a sensing platform for the detection of heavy metals

  • Ivan Shtepliuk,
  • Jens Eriksson,
  • Volodymyr Khranovskyy,
  • Tihomir Iakimov,
  • Anita Lloyd Spetz and
  • Rositsa Yakimova

Beilstein J. Nanotechnol. 2016, 7, 1800–1814, doi:10.3762/bjnano.7.173

Graphical Abstract
  • technology based on a quartz crystal microbalance (QCM) to detect toxic heavy metals such as cadmium, mercury, arsenic, and lead in water and soil samples. The working principle of such detectors is based on the dependence of the frequency of a quartz crystal resonator on the concentration of the foreign
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Published 22 Nov 2016

3D solid supported inter-polyelectrolyte complexes obtained by the alternate deposition of poly(diallyldimethylammonium chloride) and poly(sodium 4-styrenesulfonate)

  • Eduardo Guzmán,
  • Armando Maestro,
  • Sara Llamas,
  • Jesús Álvarez-Rodríguez,
  • Francisco Ortega,
  • Ángel Maroto-Valiente and
  • Ramón G. Rubio

Beilstein J. Nanotechnol. 2016, 7, 197–208, doi:10.3762/bjnano.7.18

Graphical Abstract
  • -dimensional solid-supported inter-polyelectrolyte films. The growth mechanism of the multilayers, followed using a quartz crystal microbalance, evidences two different growth trends, which show a dependency on the ionic strength due to its influence onto the polymer conformation. The hydration state does not
  • out between the rinsing and the deposition of the second polyelectrolyte layer following the above described procedure. For this purpose, the films were exposed to highly purified nitrogen flow after each adsorption–rinsing cycle. Dissipative quartz crystal microbalance (QCM-D) We have used a
  • dissipative quartz-crystal microbalance (QCM-D) from KSV (Model QCM Z-500, Finland) for the study of the wet films, and an impedance/gain phase analyzer from Hewlett-Packard (HP4194A, U.S.A.) coupled to a QCM electrode for the study of the dry films. In similar manner as described in [19], the gold coated AT
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Published 05 Feb 2016

Fabrication and characterization of novel multilayered structures by stereocomplexion of poly(D-lactic acid)/poly(L-lactic acid) and self-assembly of polyelectrolytes

  • Elena Dellacasa,
  • Li Zhao,
  • Gesheng Yang,
  • Laura Pastorino and
  • Gleb B. Sukhorukov

Beilstein J. Nanotechnol. 2016, 7, 81–90, doi:10.3762/bjnano.7.10

Graphical Abstract
  • . Both multilayer structures, with and without polymeric precursor, were firstly fabricated and characterized on planar supports. A quartz crystal microbalance (QCM), attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) and ellipsometry were used to evaluate the thickness and
  • quartz crystal microbalance (QCM) were used to monitor the step-by-step assembly and to evaluate the thickness and the mass of the multilayers. The use of ellipsometry to characterize the layer growth gave us information about the thicknesses of the films compared to the previously used QCM technique
  • in a refrigerator at 4 °C. Quartz crystal microbalance A homemade quartz crystal microbalance (QCM) with a resonance frequency of 10 MHz was used for measurements. Before the multilayer deposition, the quartz electrodes were cleaned with piranha solution (H2SO4:30% H2O2 aqueous solution, 3:1 in
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Published 21 Jan 2016

Controlled graphene oxide assembly on silver nanocube monolayers for SERS detection: dependence on nanocube packing procedure

  • Martina Banchelli,
  • Bruno Tiribilli,
  • Roberto Pini,
  • Luigi Dei,
  • Paolo Matteini and
  • Gabriella Caminati

Beilstein J. Nanotechnol. 2016, 7, 9–21, doi:10.3762/bjnano.7.2

Graphical Abstract
  • was monitored by quartz crystal microbalance (QCM) technique as a function of GO bulk concentration. The experiment provided values of the adsorbed GO mass on the AgNC array and the GO saturation limit as well as the thickness and the viscoelastic properties of the GO film. Atomic force microscopy
  • analysis. Keywords: graphene oxide; quartz crystal microbalance; sensing application; SERS; silver nanocubes; Introduction Organized films composed of metal nanoparticles have been extensively studied in recent years owing to their enormous potential in fields as diverse as photoelectrochemistry [1][2
  • has received much less attention [30][31][32] due to the lack of direct monitoring of the assembly process in situ. In this work, we followed the formation of an adlayer of AgNCs on silicon oxide surfaces by means of a quartz crystal microbalance with dissipation monitoring as a function of time and
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Published 06 Jan 2016

Enhanced fullerene–Au(111) coupling in (2√3 × 2√3)R30° superstructures with intermolecular interactions

  • Michael Paßens,
  • Rainer Waser and
  • Silvia Karthäuser

Beilstein J. Nanotechnol. 2015, 6, 1421–1431, doi:10.3762/bjnano.6.147

Graphical Abstract
  • sample A and at room temperature for sample B. The C60 deposition rate was 0.1 ML/min for sample A and 0.25 ML/min for sample B, respectively, as monitored by a quartz crystal microbalance. During the deposition the background pressure was in the 10−10 mbar range. After deposition the samples were
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Published 29 Jun 2015

Electrical characterization of single molecule and Langmuir–Blodgett monomolecular films of a pyridine-terminated oligo(phenylene-ethynylene) derivative

  • Henrry M. Osorio,
  • Santiago Martín,
  • María Carmen López,
  • Santiago Marqués-González,
  • Simon J. Higgins,
  • Richard J. Nichols,
  • Paul J. Low and
  • Pilar Cea

Beilstein J. Nanotechnol. 2015, 6, 1145–1157, doi:10.3762/bjnano.6.116

Graphical Abstract
  • ratio of the monolayer during the upstroke of the film transfer process was determined by the software controlling the Langmuir trough, resulting in a value close to unity for a surface pressure of transference of 16 mN·m−1. This high deposition ratio was also demonstrated using a quartz crystal
  • microbalance (QCM). The frequency change (Δƒ) for a QCM quartz resonator before and after the deposition process was experimentally determined. This frequency change can be introduced in the Sauerbrey equation [95]: to determine the surface coverage. In Equation 1, f0 is the fundamental resonance frequency of
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Published 11 May 2015

Stiffness of sphere–plate contacts at MHz frequencies: dependence on normal load, oscillation amplitude, and ambient medium

  • Jana Vlachová,
  • Rebekka König and
  • Diethelm Johannsmann

Beilstein J. Nanotechnol. 2015, 6, 845–856, doi:10.3762/bjnano.6.87

Graphical Abstract
  • frequency, tangential excitation of variable amplitude (0–20 nm). The contacts were established between glass spheres and the surface of a quartz crystal microbalance (QCM), where the resonator surface had been coated with either sputtered SiO2 or a spin-cast layer of poly(methyl methacrylate) (PMMA). The
  • experiments. A contact is established between a resonator (which is a quartz crystal microbalance here and is the cantilever in AFM experiments) and an external object. The geometry is configured such that the contact does not overdamp the resonance, but rather shifts the resonance frequency and the resonance
  • be tested easily. The experiments were undertaken with a quartz crystal microbalance (QCM). The QCM is mostly known as a device for thickness determination, but it can equally well be employed to measure contact stiffness. In this regard, it is helpful to view the QCM as a shear wave reflectometer
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Published 30 Mar 2015

Conformal SiO2 coating of sub-100 nm diameter channels of polycarbonate etched ion-track channels by atomic layer deposition

  • Nicolas Sobel,
  • Christian Hess,
  • Manuela Lukas,
  • Anne Spende,
  • Bernd Stühn,
  • M. E. Toimil-Molares and
  • Christina Trautmann

Beilstein J. Nanotechnol. 2015, 6, 472–479, doi:10.3762/bjnano.6.48

Graphical Abstract
  • size of the analyzer, the ALD-treated foils were deposited on a gold-coated quartz crystal microbalance (QCM). To account for charging effects all spectra were shifted to the Si 2p emission of SiO2 at 103.3 eV [33]. Spectra were corrected for the Au background before C 1s and O 1s analysis. The applied
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Published 16 Feb 2015

Mechanical properties of MDCK II cells exposed to gold nanorods

  • Anna Pietuch,
  • Bastian Rouven Brückner,
  • David Schneider,
  • Marco Tarantola,
  • Christina Rosman,
  • Carsten Sönnichsen and
  • Andreas Janshoff

Beilstein J. Nanotechnol. 2015, 6, 223–231, doi:10.3762/bjnano.6.21

Graphical Abstract
  • the cellular response to external stimuli. Results: Mechanical properties of confluent MDCK II cells exposed to gold nanorods as a function of surface functionalization and concentration have been explored by atomic force microscopy and quartz crystal microbalance measurements in combination with
  • enzymes. More advanced techniques, like electric cell-substrate impedance sensing (ECIS) or quartz crystal microbalance measurements monitor the vertical cell motility, i.e., dynamic changes of the cell-substrate distance, as a reporter for cell viability [1][10][11][12][13][14][15]. Mechanical properties
  • about cellular properties like the cytoskeleton or the plasma membrane [21]. Alternatively, mechanical properties of cells in response to nanoparticle exposure can be monitored time resolved by the quartz crystal microbalance with dissipation monitoring (D-QCM) [14][22][23]. The QCM-method records
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Published 20 Jan 2015

The fate of a designed protein corona on nanoparticles in vitro and in vivo

  • Denise Bargheer,
  • Julius Nielsen,
  • Gabriella Gébel,
  • Markus Heine,
  • Sunhild C. Salmen,
  • Roland Stauber,
  • Horst Weller,
  • Joerg Heeren and
  • Peter Nielsen

Beilstein J. Nanotechnol. 2015, 6, 36–46, doi:10.3762/bjnano.6.5

Graphical Abstract
  • experimental setups. Various techniques such as ITC (isothermal titration calorimetry), SPR (surface plasmon resonance), DCS (differential centrifugal sedimentation), QCM (quartz crystal microbalance), and FCS (fluorescence correlation spectroscopy) have been used to monitor the affinities of proteins for
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Published 06 Jan 2015

Probing the electronic transport on the reconstructed Au/Ge(001) surface

  • Franciszek Krok,
  • Mark R. Kaspers,
  • Alexander M. Bernhart,
  • Marek Nikiel,
  • Benedykt R. Jany,
  • Paulina Indyka,
  • Mateusz Wojtaszek,
  • Rolf Möller and
  • Christian A. Bobisch

Beilstein J. Nanotechnol. 2014, 5, 1463–1471, doi:10.3762/bjnano.5.159

Graphical Abstract
  • reconstructed Ge(001) from a resistively heated crucible. The deposition rate of 0.2 ML/min is monitored by using a quartz crystal microbalance and the substrate temperature during the deposition of Au is kept at 150 K. After the deposition, no ordered structure is observed until the sample is annealed. After
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Published 05 Sep 2014

Mimicking exposures to acute and lifetime concentrations of inhaled silver nanoparticles by two different in vitro approaches

  • Fabian Herzog,
  • Kateryna Loza,
  • Sandor Balog,
  • Martin J. D. Clift,
  • Matthias Epple,
  • Peter Gehr,
  • Alke Petri-Fink and
  • Barbara Rothen-Rutishauser

Beilstein J. Nanotechnol. 2014, 5, 1357–1370, doi:10.3762/bjnano.5.149

Graphical Abstract
  • 2.4 mg Ag/mL. The Ag NP suspension (1 mL) was nebulized in the ALICE system. The amount of deposited Ag was calculated by the efficiency of the system (50% as previously calculated for smaller Ag NPs [44]) and the quartz crystal microbalance giving 0.03, 0.3, and 3 µg Ag/cm2, respectively. Exposures
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Published 26 Aug 2014

Purification of ethanol for highly sensitive self-assembly experiments

  • Kathrin Barbe,
  • Martin Kind,
  • Christian Pfeiffer and
  • Andreas Terfort

Beilstein J. Nanotechnol. 2014, 5, 1254–1260, doi:10.3762/bjnano.5.139

Graphical Abstract
  • sensitive for small and larger molecules, in contrast to SPR, second-harmonic generation (SHG) spectroscopy [35] and quartz-crystal microbalance (QCM) experiments [36]. To employ this extremely sensitive technique for the determination of adsorption kinetics, we tested ethanol of several commercial
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Published 12 Aug 2014

Organic and inorganic–organic thin film structures by molecular layer deposition: A review

  • Pia Sundberg and
  • Maarit Karppinen

Beilstein J. Nanotechnol. 2014, 5, 1104–1136, doi:10.3762/bjnano.5.123

Graphical Abstract
  • acid [57] and TMA+oxiran-2-ylmethanol (glycidol, GLY) [38]. The characterization techniques used to investigate the thin films deposited by using MLD do not vary much from those techniques used for inorganic thin films grown by ALD. An in situ quartz crystal microbalance (QCM) is often used to give
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Published 22 Jul 2014

3D-nanoarchitectured Pd/Ni catalysts prepared by atomic layer deposition for the electrooxidation of formic acid

  • Loïc Assaud,
  • Evans Monyoncho,
  • Kristina Pitzschel,
  • Anis Allagui,
  • Matthieu Petit,
  • Margrit Hanbücken,
  • Elena A. Baranova and
  • Lionel Santinacci

Beilstein J. Nanotechnol. 2014, 5, 162–172, doi:10.3762/bjnano.5.16

Graphical Abstract
  • regard to the electrooxidation of formic acid in an acidic medium (0.5 M H2SO4). Both deposition processes, Ni and Pd, with various mass content ratios have been continuously monitored by using a quartz crystal microbalance. The morphology of the Pd/Ni systems has been studied by electron microscopy and
  • onto the Ni films (Figure 1g). Both NiO and Pd deposition processes have been monitored by quartz crystal microbalance (QCM). The morphology, the chemical composition and the crystalline structures have been investigated by scanning and transmission electron microscopy (SEM and TEM) and atomic force
  • /Ni catalysts have been deposited both on 3D alumina templates and flat Si(100) wafers in order to facilitate the chemical and structural characterizations. In situ monitoring of the relative mass gain and loss was performed by using a quartz crystal microbalance (QCM from Inficon). The QCM is
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Published 12 Feb 2014

Growth behaviour and mechanical properties of PLL/HA multilayer films studied by AFM

  • Cagri Üzüm,
  • Johannes Hellwig,
  • Narayanan Madaboosi,
  • Dmitry Volodkin and
  • Regine von Klitzing

Beilstein J. Nanotechnol. 2012, 3, 778–788, doi:10.3762/bjnano.3.87

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  • . Both relaxation times decrease with increasing initial indentation velocity, suggesting a non-Newtonian, shear-thinning fluid character. Frequency-dependent AFM force [41] and quartz crystal microbalance measurements are planned for a better understanding of shear and friction effects on the mechanical
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Published 21 Nov 2012

Mapping mechanical properties of organic thin films by force-modulation microscopy in aqueous media

  • Jianming Zhang,
  • Zehra Parlak,
  • Carleen M. Bowers,
  • Terrence Oas and
  • Stefan Zauscher

Beilstein J. Nanotechnol. 2012, 3, 464–474, doi:10.3762/bjnano.3.53

Graphical Abstract
  • , including surface plasmon resonance (SPR) [58], quartz-crystal microbalance (QCM) [59][60][61] and ellipsometry [62]. These methods, however, do not resolve differences in the grafting density and packing of the molecules with high spatial resolution (micrometer or less). Here we show that FMM in solution
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Published 26 Jun 2012

Generation and agglomeration behaviour of size-selected sub-nm iron clusters as catalysts for the growth of carbon nanotubes

  • Ravi Joshi,
  • Benjamin Waldschmidt,
  • Jörg Engstler,
  • Rolf Schäfer and
  • Jörg J. Schneider

Beilstein J. Nanotechnol. 2011, 2, 734–739, doi:10.3762/bjnano.2.80

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  • either thermal evaporation (heating Al in a boron nitride crucible with a tungsten filament) or electron beam evaporation onto a commercial TEM grid (SiOx; Fa. Plano, Wetzlar). Aluminium buffer layer (10 nm) deposition was monitored by means of a quartz crystal microbalance (Cressington MTM 10). After
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Published 01 Nov 2011

Sensing surface PEGylation with microcantilevers

  • Natalija Backmann,
  • Natascha Kappeler,
  • Thomas Braun,
  • François Huber,
  • Hans-Peter Lang,
  • Christoph Gerber and
  • Roderick Y. H. Lim

Beilstein J. Nanotechnol. 2010, 1, 3–13, doi:10.3762/bjnano.1.2

Graphical Abstract
  • layer formation, a direct determination of local morphology/conformation changes in the polymer layer is largely restricted to nanomechanics-based techniques such as the surface force apparatus [9] and atomic force microscopy (AFM) [10]. Developments in the quartz crystal microbalance with dissipation
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Published 22 Nov 2010
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