Manipulation of isolated brain nerve terminals by an external magnetic field using D-mannose-coated γ-Fe₂O₃ nano-sized particles and assessment of their effects on glutamate transport

• Tatiana Borisova,
• Natalia Krisanova,
• Arsenii Borуsov,
• Roman Sivko,
• Ludmila Ostapchenko,
• Michal Babic and
• Daniel Horak

Beilstein J. Nanotechnol. 2014, 5, 778–788, doi:10.3762/bjnano.5.90

• effects of D-mannose coating in biological experiments can be ascribed to chemical properties of the D-mannose, while the effects of physical parameters can be neglected. Similarly as described in [12], the composition of the surface of nanoparticles was investigated by using ATR FTIR spectroscopy. The

Adsorption and oxidation of formaldehyde on a polycrystalline Pt film electrode: An in situ IR spectroscopy search for adsorbed reaction intermediates

• Zenonas Jusys and
• R. Jürgen Behm

Beilstein J. Nanotechnol. 2014, 5, 747–759, doi:10.3762/bjnano.5.87

• stages of the adsorption process, when surface blocking by strongly adsorbed COad species is negligible or less pronounced, we followed the initial build-up of adsorbed species upon admission of formaldehyde molecule containing electrolyte to the electrode via in situ ATR-FTIR spectroscopy, optimizing

• perfectly with the clear identification of adsorbed acetyl-type species, with a characteristic band at 1635 cm−1, in a series of recent ATR-FTIR spectroscopy studies for adsorption of higher alcohols and aldehydes. [46][47][48][59][60][61]. In those studies, the barrier for C–C bond breaking stabilizes

Shape-selected nanocrystals for in situ spectro-electrochemistry studies on structurally well defined surfaces under controlled electrolyte transport: A combined in situ ATR-FTIR/online DEMS investigation of CO electrooxidation on Pt

• Sylvain Brimaud,
• Zenonas Jusys and
• R. Jürgen Behm

Beilstein J. Nanotechnol. 2014, 5, 735–746, doi:10.3762/bjnano.5.86

• FTIR spectroscopy, using adsorbed CO as probe molecule. For these measurements, the Pt nanocrystals are supported on a polycrystalline Au film pre-deposited on the flat side of a hemispherical Si prism for in situ ATR-IR investigations (see section ‘Preparation and characterization of the Pt

• . Finally, the difference in anion re-adsorption for the three different samples illustrates also the structure sensitivity of this process. Conclusion Employing in situ ATR-FTIR spectroscopy and mass spectrometry in a combined ATR-FTIR/DEMS flow cell set-up, we could demonstrate that shape-selected and

• spectro-electrocatalytic studies on structurally well defined electrodes under enforced and controlled electrolyte mass transport will be demonstrated, using Pt nanocrystals prepared by colloidal synthesis procedures and a flow cell set-up allowing simultaneous measurements of the Faradaic current, FTIR

Cyclodextrin-poly(ε-caprolactone) based nanoparticles able to complex phenolphthalein and adamantyl carboxylate

• Daniela Ailincai and
• Helmut Ritter

Beilstein J. Nanotechnol. 2014, 5, 651–657, doi:10.3762/bjnano.5.76

• the reduction of CuSO4 with sodium ascorbate. DMF was used as a solvent due its high boiling point and its ability to solubilize both starting materials. The click reaction product was characterized by using 1H NMR and FTIR spectroscopy. The properties of 3 in water were investigated by DLS

A catechol biosensor based on electrospun carbon nanofibers

• Dawei Li,
• Zengyuan Pang,
• Xiaodong Chen,
• Lei Luo,
• Yibing Cai and
• Qufu Wei

Beilstein J. Nanotechnol. 2014, 5, 346–354, doi:10.3762/bjnano.5.39

• component analysis The obtained ECNFs were, respectively, investigated by Raman and FTIR spectroscopy (Figure 2a and Figure 2b). As shown in Figure 2a, there are two characteristic peaks appearing at about 1330 and 1590 cm−1, which were related to the D-band and the G-band, respectively. The D-band was

FTIR nanobiosensors for Escherichia coli detection

• Stefania Mura,
• Gianfranco Greppi,
• Maria Laura Marongiu,
• Pier Paolo Roggero,
• Sandeep P. Ravindranath,
• Lisa J. Mauer,
• Nicoletta Schibeci,
• Francesco Perria,
• Massimo Piccinini,
• Plinio Innocenzi and
• Joseph Irudayaraj

Beilstein J. Nanotechnol. 2012, 3, 485–492, doi:10.3762/bjnano.3.55

• absorption properties monitored. The film-based biosensors showed a detection limit for E. coli of 1 × 102 CFU/mL, constituting a simple and selective method for the effective screening of water samples. Keywords: biosensors; E. coli; FTIR spectroscopy; foodborne pathogens; nanomaterials; Introduction

• work is to develop a simple new nanodevice capable of detecting pathogens in low concentration and suitable for a fast real-time monitoring, using Fourier transform infrared (FTIR) spectroscopy as an optical transduction method. Experimental Chemicals All commercially available solvents and reagents

• this solution for 15 h at 4 °C. Finally the films were washed with PBS and water, and dried at room temperature. FTIR spectroscopy measurements were carried out for each step to monitor the chemical functionalization and the linking of antibodies to the films. Bacteria preparation E. coli O157:H7 and E

Nano-FTIR chemical mapping of minerals in biological materials

• Sergiu Amarie,
• Paul Zaslansky,
• Yusuke Kajihara,
• Erika Griesshaber,
• Wolfgang W. Schmahl and
• Fritz Keilmann

Beilstein J. Nanotechnol. 2012, 3, 312–323, doi:10.3762/bjnano.3.35

• its first application to natural nanostructures, the mineral particles in shell and bone. "Nano-FTIR" spectral images result from Fourier-transform infrared (FTIR) spectroscopy combined with scattering scanning near-field optical microscopy (s-SNOM). On polished sections of Mytilus edulis shells we

Superhydrophobicity in perfection: the outstanding properties of the lotus leaf

• Hans J. Ensikat,
• Petra Ditsche-Kuru,
• Christoph Neinhuis and
• Wilhelm Barthlott

Beilstein J. Nanotechnol. 2011, 2, 152–161, doi:10.3762/bjnano.2.19

• wax components with similar chain length shows that the melting points increase with the occurrence of polar OH-groups. Strong hydrogen bonding effects have been measured recently by Coward (2010) [17] in nonacosanol wax using FTIR spectroscopy. The effects on the crystal structure should be even