Search Results - "DOS SANTOS, D. A"
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Electroluminescence in conjugated polymers
Published in Nature (London) (14-01-1999)“…Research in the use of organic polymers as the active semiconductors in light-emitting diodes has advanced rapidly, and prototype devices now meet realistic…”
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2
Direct Addition of Grignard Reagents to Aliphatic Carboxylic Acids Enabled by Bulky turbo‐Organomagnesium Anilides
Published in Chemistry : a European journal (16-02-2022)“…The synthesis of ketones through addition of organometallic reagents to aliphatic carboxylic acids is a straightforward strategy that is limited to…”
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3
Nanoscale Infrared Spectroscopy and Chemometrics Enable Detection of Intracellular Protein Distribution
Published in Analytical chemistry (Washington) (15-12-2020)“…Determination of the intracellular location of proteins is one of the fundamental tasks of microbiology. Conventionally, label-based microscopy and…”
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4
Influence of Interchain Interactions on the Absorption and Luminescence of Conjugated Oligomers and Polymers: A Quantum-Chemical Characterization
Published in Journal of the American Chemical Society (18-02-1998)“…Correlated quantum-chemical calculations are used to investigate the influence of interchain interactions on the absorption and emission of π-conjugated…”
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5
Charge separation in localized and delocalized electronic states in polymeric semiconductors
Published in Nature (London) (30-04-1998)“…Conjugated polymers such as poly(p-phenylene vinylene)s (PPVs) allow low-cost fabrication of thin semiconducting films by solution processing onto substrates…”
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6
AFM-IR for Nanoscale Chemical Characterization in Life Sciences: Recent Developments and Future Directions
Published in ACS measurement science au (18-10-2023)“…Despite the ubiquitous absorption of mid-infrared (IR) radiation by virtually all molecules that belong to the major biomolecules groups (proteins, lipids,…”
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Outbreak of Neisseria meningitidis C in workers at a large food-processing plant in Brazil: challenges of controlling disease spread to the larger community
Published in Epidemiology and infection (01-05-2012)“…An outbreak of meningococcal disease (MD) with severe morbidity and mortality was investigated in midwestern Brazil in order to identify control measures. A MD…”
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8
The relevance of ecoregions and mountainous environments in the diversity and endemism of land gastropods
Published in Progress in physical geography (01-04-2021)“…Twenty-five sub-ecoregions make Argentina from southern South America a favored area to study the mutual correspondence between environments and biodiversity…”
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PESTICIDE RESIDUES IN CONVENTIONALLY AND ORGANICALLY GROWN TOMATOES IN ESPÍRITO SANTO (BRAZIL)
Published in Química Nova (01-07-2015)“…The aim of this study was to investigate the presence of acephate, carbaryl, carbendazim, chlorpyrifos, dichlorvos, fenpropathrin, methamidophos and permethrin…”
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10
Joint Experimental and Theoretical Characterization of the Electronic Structure of 4,4‘-Bis(N-m-tolyl-N-phenylamino)biphenyl (TPD) and Substituted Derivatives
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (31-05-2001)“…We investigate by means of gas-phase ultraviolet photoelectron spectroscopy complemented by quantum-chemical calculations how the frontier levels of the…”
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11
i‑Pr2NMgCl·LiCl Enables the Synthesis of Ketones by Direct Addition of Grignard Reagents to Carboxylate Anions
Published in Organic letters (04-10-2019)“…The direct preparation of ketones from carboxylate anions is greatly limited by the required use of organolithium reagents or activated acyl sources that need…”
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12
Direct Addition of Grignard Reagents to Aliphatic Carboxylic Acids Enabled by Bulky turbo‐Organomagnesium Anilides
Published in Chemistry : a European journal (16-02-2022)“…Invited for the cover of this issue is the group of Abraham Mendoza at Stockholm University. The image depicts a Grignard reagent “turbo‐charged” with a…”
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13
EXPLORATION OF SOUNDSCAPE IN THE MOUNTAIN RAINFORESTS OF YUNGAS
Published in Anales AFA (01-06-2024)“…In this work, the results of a detailed sound monitoring conducted during December 2023 in the mountain rainforest of Yungas (750 meters above sea level), in…”
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14
Development of a Portable Data Acquisition System for Extensometry
Published in Experimental techniques (Westport, Conn.) (2022)“…The acquisition and treatment of strain data play an important role in various engineering applications, involving experimental stress analysis on a surface…”
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15
Role of disorder in the conduction mechanism of polyanilines
Published in Physical review letters (14-08-1989)Get full text
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16
Which index is the best to assess stream health?
Published in Ecological indicators (01-03-2011)“…Biotic indices are widely used in monitoring the health status of various ecosystems. The choice of the best index is generally done qualitatively depending on…”
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Valence Electronic Structure of π-Conjugated Materials: Simulation of the Ultraviolet Photoelectron Spectra with Semiempirical Hartree−Fock Approaches
Published in Chemistry of materials (20-09-1999)“…A detailed understanding of the electronic structure of π-conjugated materials can be reached by means of two widely available semiempirical quantum-chemical…”
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18
Locomotion and morphological adaptations in the glass lizard Ophiodes cf. fragilis (Raddi, 1820) (Squamata: Anguidae)
Published in Anais da Academia Brasileira de Ciências (01-01-2024)“…There are few studies related to the biological and ecological aspects of the glass snake, a limbless lizard and with a wide geographic distribution. The aim…”
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i -Pr 2 NMgCl·LiCl Enables the Synthesis of Ketones by Direct Addition of Grignard Reagents to Carboxylate Anions
Published in Organic letters (04-10-2019)“…The direct preparation of ketones from carboxylate anions is greatly limited by the required use of organolithium reagents or activated acyl sources that need…”
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20
Intermolecular interactions in electroluminescent conjugated materials
Published in Thin solid films (01-03-2000)“…We discuss the results of correlated quantum–chemical calculations aimed at addressing the way intermolecular interactions influence the absorption and…”
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