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Editor’s note: as we build the hand held sensors – tricorders – that we take along on Away Team mission on other worlds we’ll need to build in as much functionality as possible.
Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength. Measuring the absorbance of an atom or molecule can provide important information about [...]
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La spectroscopie d’absorption est un outil précieux en chimie analytique, capable de déterminer la présence d’une substance spécifique dans un échantillon en mesurant l’intensité de la lumière absorbée en fonction de la longueur d’onde. Cette technique offre des informations cruciales sur la structure électronique, l’état quantique, la concentration de l’échantillon, les changements [...]
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Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength. Measuring the absorbance of an atom or molecule can provide important information about electronic structure, quantum state, sample concentration, phase changes or composition changes, among other variables, including interaction with other molecules and possible technological [...]
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Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength. Measuring the absorbance of an atom or molecule can provide important information about electronic structure, quantum state, sample concentration, phase changes or composition changes, among other variables, including interaction with other molecules and possible technological [...]
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October 11, 2023 This article has been reviewed according to Science X's editorial process and policies Editors have highlighted the following attributes while ensuring the content's credibility:
by José Tadeu Arantes, FAPESP
Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength. Measuring the absorbance of an atom or molecule [...]
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An alternative method of calculation has been developed by physicist Tárcius Nascimento Ramos and his team to reduce the time required for computer simulation of absorption spectra. The method, known as INDO/S (Intermediate Neglect of Differential Overlap with Spectroscopic Parameterization), offers a more efficient and cost-effective approach compared to the currently dominant density functional theory (DFT) method.
Simulation is an essential tool in studying molecules with high [...]
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Un équipe de physiciens dirigé par Tárcius Nascimento Ramos a développé une nouvelle méthode pour réduire le temps requis dans la simulation informatique de spectres d’absorption. Cette méthode, connue sous le nom de INDO/S (Intermédiaire Négligence de Chevauchement Différentiel avec Paramétrisation Spectroscopique), offre une option plus efficace et rentable par rapport aux méthodes actuelles [...]
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Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength. Measuring the absorbance of an atom or molecule can provide important information about electronic structure, quantum state, sample concentration, phase changes or composition changes, among other variables, including interaction with other molecules and possible technological [...]
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Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength. Measuring the absorbance of an atom or molecule can provide important information about electronic structure, quantum state, sample concentration, phase changes or composition changes, among other variables, including interaction with other molecules and possible technological [...]
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Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength. Measuring the absorbance of an atom or molecule can provide important information about electronic structure, quantum state, sample concentration, phase changes or composition changes, among other variables, including interaction with other molecules and possible technological [...]
