H
Helena I. S. Nogueira
Researcher at University of Coimbra
Publications - 205
Citations - 6247
Helena I. S. Nogueira is an academic researcher from University of Coimbra. The author has contributed to research in topics: Overweight & Raman spectroscopy. The author has an hindex of 38, co-authored 195 publications receiving 5048 citations. Previous affiliations of Helena I. S. Nogueira include University of Western Australia & University of Reading.
Papers
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Journal ArticleDOI
Coordination modes of pyridine-carboxylic acid derivatives in samarium (III) complexes
Paula C. R. Soares-Santos,Filipe A. Almeida Paz,Rute A. S. Ferreira,Jacek Klinowski,Luís D. Carlos,Tito Trindade,Helena I. S. Nogueira +6 more
TL;DR: In this paper, the crystal structures of the samarium complexes K2[Sm2(pic)6(μ-pic)2] − 7.5H2O (1), [Sm(picOH)2(μ -HpicO)(H 2O), 3-hydroxypicolinic acid (HpicOH), and 2-HnicO (H2NicO) were determined by single-crystal X-ray diffraction studies.
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Surface-Enhanced Raman Scattering Spectral Imaging for the Attomolar Range Detection of Crystal Violet in Contaminated Water.
TL;DR: These studies demonstrate that the parameters employed in the fabrication of the SERS substrates have a strong impact on the Raman signal enhancement and allow establishing improvements that translate to better performances of the substrates in the analyte detection.
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Healthy communities: the challenge of social capital in the Lisbon Metropolitan Area.
TL;DR: The results show that social capital was strongly associated with self-rated health, even after an adjustment for individual attributes, and it is not possible to divorce health planning from urban planning and from the promotion of social capital.
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Magnetite-Supported Gold Nanostars for the Uptake and SERS Detection of Tetracycline
TL;DR: The hybrid nanomaterials were investigated as adsorbents for the uptake of tetracycline from aqueous solutions and subsequent detection using surface-enhanced Raman scattering (SERS).
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Vibrational spectra of melamine diborate, C3N6H62H3BO3.
TL;DR: Lower symmetry of the melamine molecule in the crystal has resulted in the decrease of intensity of the Raman active melamine band around 1490 cm(-1), and hydrogen bonding affects the ring breathing modes of melamine.