Results 41 to 50 of about 49,169 (260)

Polyurea-Functionalized Multiwalled Carbon Nanotubes [PDF]

, 2005
An in situ polycondensation approach was applied to functionalize multiwalled carbon nanotubes (MWNTs), resulting in various linear or hyperbranched polycondensed polymers [e.g., polyureas, polyurethanes, and poly(urea-urethane)-bonded carbon nanotubes].
Acquah, Steve F. A., Chen, G. Y., Fearon, Peter, Gao, Chao, Hartschuh, Achim, Henley, Simon, Jin, Yi Zheng, Kong, Hao, Kroto, Harold W., Qian, Huihong, Silva, S. R. P., Walton, David R. M., Whitby, Raymond L. D.   +12 more
core   +1 more source

High-Resolution Near-Field Raman Microscopy of Single-Walled Carbon Nanotubes [PDF]

, 2003
We present near-field Raman spectroscopy and imaging of single isolated single-walled carbon nanotubes with a spatial resolution of ≈25  nm. The near-field origin of the image contrast is confirmed by the measured dependence of the Raman scattering ...
Achim Hartschuh, Erik J. Sánchez, J. Wessel, Lukas Novotny, X. Sunney Xie   +4 more
core   +2 more sources

Integrated waveguides and deterministically positioned nitrogen vacancy centers in diamond created by femtosecond laser writing [PDF]

, 2018
Diamond's nitrogen vacancy (NV) center is an optically active defect with long spin coherence times, showing great potential for both efficient nanoscale magnetometry and quantum information processing schemes.
Armellini, C., Barclay, P. E., Bharadwaj, V., Chiappini, A., Eaton, S. M., Fernandez, T. T., Ferrari, M., Hadden, J. P., Jayakumar, H., Osellame, R., Rampini, S., Ramponi, R., Sotillo, B., Witmer, J.   +13 more
core   +3 more sources

Tip-enhanced Raman spectroscopic imaging of localized defects in carbon nanotubes [PDF]

, 2010
We used tip-enhanced Raman spectroscopy to study defect induced D-band Raman scattering in metallic single-walled carbon nanotubes with a spatial resolution of 15 nm.
Georgi, Carsten, Hartschuh, Achim
core   +2 more sources

Correlative Raman–Electron–Light (CREL) Microscopy Analysis of Lipid Droplets in Melanoma Cancer Stem Cells

Biosensors, 2022
Among all neoplasms, melanoma is characterized by a very high percentage of cancer stem cells (CSCs). Several markers have been proposed for their identification, and lipid droplets (LDs) are among them.
Francesca Pagliari, Elisa Sogne, Davide Panella, Gerardo Perozziello, Carlo Liberale, Gobind Das, Alice Turdo, Simone Di Franco, Joao Seco, Andrea Falqui, Santo Gratteri, Arturo Pujia, Enzo Di Fabrizio, Patrizio Candeloro, Luca Tirinato   +14 more
doaj   +1 more source

Dual-modal SERS/fluorescence AuNP probe for mitochondrial imaging [PDF]

, 2017
A novel SERS/fluorescent multimodal imaging probe for mitochondria has been synthesised using 12 nm diameter gold nanoparticles (AuNP) surface functionalised with a rhodamine thiol derivative ligand.
Beija, Best, Brindle, Chen, Doubrovin, Duchen, Enüstün, Frens, Ghosh, Gonçalves, Hockings, Huang, Jaworska, Jennings, Kimling, Lavis, Lee, Lee, Lefevre, Lin, Longmire, Mayer, Pan, Rivas, Rivas, Saha, Scaduto, Stasiuk, Stasiuk, Stuchinskaya, Suksai, Sun, Sung, Wang, You, Yuan, Zhou   +36 more
core   +1 more source

Grading of Melanoma Tissues by Raman MicroSpectroscopy

Engineering Proceedings, 2023
Melanoma is one of the most aggressive forms of cancer. Early-stage diagnosis is therefore a landmark for the success of the therapies and to improve the prognosis.
Gianmarco Lazzini, Mario D’Acunto
doaj   +1 more source

Correction of diffraction effects in confocal raman microspectroscopy [PDF]

, 2006
A mathematical approach developed to correct depth profiles of wet-chemically modified polymer films obtained by confocal Raman microscopy is presented which takes into account scattered contributions originated from a diffraction-limited laser focal
Gallardo, A., Navarro, R., Reinecke, H., Spells, S. J.   +3 more
core   +1 more source

Duplex Stainless Steel Laser‐Surface Textured: Stability in Brine Solution

Advanced Engineering Materials, EarlyView.
Controlled laser‐surface treatment (LST) of duplex DSS2205 steel is performed to increase its stability in brine solution under cyclic electrochemical assays. The superior protection with respect to flat and smooth panels is attributed to the presence of FeCr2O4 as the main protective oxide layer in the LST surface, after corrosion tests. The stability
Mohammad Rezayat, Hamidreza Enshaei, Elaine Armelin, José I. Iribarren, Antonio Mateo, Miguel Morales   +5 more
wiley   +1 more source

Analysis of Milk Microstructure Using Raman Hyperspectral Imaging

Molecules, 2023
Optical spectroscopic analysis of the chemical composition of milk in its natural state is complicated by a complex colloidal structure, represented by differently sized fat and protein particles. The classical techniques of molecular spectroscopy in the
Anastasiia Surkova, Andrey Bogomolov
doaj   +1 more source