Luis Fernández
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View article: Portable ion mobility spectrometry and partial least squares discriminant analysis for odour source discrimination in wastewater treatment plants
Portable ion mobility spectrometry and partial least squares discriminant analysis for odour source discrimination in wastewater treatment plants Open
Odour emissions from Wastewater Treatment Plants are a relevant issue concerning environmental and social impact, regulatory compliance, and plant management. Instrumental Odour Monitoring Systems are widely used for real-time odour emissi…
View article: Signal Preprocessing in Instrument-Based Electronic Noses Leads to Parsimonious Predictive Models: Application to Olive Oil Quality Control
Signal Preprocessing in Instrument-Based Electronic Noses Leads to Parsimonious Predictive Models: Application to Olive Oil Quality Control Open
Gas sensor-based electronic noses (e-noses) have gained considerable attention over the past thirty years, leading to the publication of numerous research studies focused on both the development of these instruments and their various appli…
View article: Do AIs have politics? Thinking about ChatGPT through the work of Langdon Winner
Do AIs have politics? Thinking about ChatGPT through the work of Langdon Winner Open
Since at least the 1960s, scholars, pundits and the general public have been worried about AI hype – the tendency to project more power, agency and intelligence on AI than it really has. To counter this tendency, academics often warn again…
View article: A real-sized start-up monitoring module prototype for comprehensive test and irradiation campaigns of miniaturized neutron detectors according to the IFMIF-DONES baseline
A real-sized start-up monitoring module prototype for comprehensive test and irradiation campaigns of miniaturized neutron detectors according to the IFMIF-DONES baseline Open
The key system to know the neutron and gamma fields during the commissioning at IFMIF-DONES facility will be
\nthe STart-Up Monitoring Module (STUMM), which will include tens of very sophisticated and miniaturised detectors
\nproviding cru…
View article: A Service-Learning Experience in Secondary Education to Promote STEM Learning Through Collaboration Between Research and Education Centers
A Service-Learning Experience in Secondary Education to Promote STEM Learning Through Collaboration Between Research and Education Centers Open
The needs of the digital revolution and the knowledge-based economy impose a transformation of traditional education to improve technical and scientific knowledge and include alternative abilities. This work presents a service-learning ini…
View article: GCIMS: An R package for untargeted gas chromatography – Ion mobility spectrometry data processing
GCIMS: An R package for untargeted gas chromatography – Ion mobility spectrometry data processing Open
Gas-Chromatography coupled to Ion Mobility Spectrometry (GC-IMS) based metabolomics is an emerging technique for obtaining fast, reliable untargeted metabolic fingerprints of biofluids. The generated raw data is highly dimensional and comp…
View article: A Gas Chromatography – Ion Mobility Spectrometry dataset for colorectal cancer diagnostic of 56 urine samples corresponding to 29 subjects.
A Gas Chromatography – Ion Mobility Spectrometry dataset for colorectal cancer diagnostic of 56 urine samples corresponding to 29 subjects. Open
Contents of the dataset The dataset includes the set of urine samples in .mea format, which can be read using the GCIMS R package. It also contains analytical standards in the same format, used for quality control of the e…
View article: A Gas Chromatography – Ion Mobility Spectrometry dataset for colorectal cancer diagnostic of 56 urine samples corresponding to 29 subjects.
A Gas Chromatography – Ion Mobility Spectrometry dataset for colorectal cancer diagnostic of 56 urine samples corresponding to 29 subjects. Open
Contents of the dataset The dataset includes the set of urine samples in .mea format, which can be read using the GCIMS R package. It also contains analytical standards in the same format, used for quality control of the e…
View article: A Gas Chromatography – Ion Mobility Spectrometry dataset for colorectal cancer diagnostic of 56 urine samples corresponding to 29 subjects.
A Gas Chromatography – Ion Mobility Spectrometry dataset for colorectal cancer diagnostic of 56 urine samples corresponding to 29 subjects. Open
This is a .zip file which includes a dataset. The dataset includes 2 folders: one called Urines and a second one called Analytical Standards. The Urines folder includes a set of urine measures done with a GC-IMS FlavourSpec® instrument fro…
View article: Grape polyphenols decrease circulating branched chain amino acids in overfed adults
Grape polyphenols decrease circulating branched chain amino acids in overfed adults Open
Introduction and aims Dietary polyphenols have long been associated with health benefits, including the prevention of obesity and related chronic diseases. Overfeeding was shown to rapidly induce weight gain and fat mass, associated with m…
View article: Early fire detection based on gas sensor arrays: Multivariate calibration and validation
Early fire detection based on gas sensor arrays: Multivariate calibration and validation Open
View article: Full Workflows for the Analysis of Gas Chromatography—Ion Mobility Spectrometry in Foodomics: Application to the Analysis of Iberian Ham Aroma
Full Workflows for the Analysis of Gas Chromatography—Ion Mobility Spectrometry in Foodomics: Application to the Analysis of Iberian Ham Aroma Open
Gas chromatography—ion mobility spectrometry (GC-IMS) allows the fast, reliable, and inexpensive chemical composition analysis of volatile mixtures. This sensing technology has been successfully employed in food science to determine food o…
View article: Phase Shift Impact on the Performance of Time Modulated Antenna Arrays Driven by Radio Over Fiber
Phase Shift Impact on the Performance of Time Modulated Antenna Arrays Driven by Radio Over Fiber Open
The joint exploitation of Radio over Fiber (RoF) and Time Modulated Arrays (TMA) is proposed, showing how, particularly within In-Building scenarios, it allows to combine the pervasiveness of the first technique with the beam-steering capa…
View article: AlpsNMR: an R package for signal processing of fully untargeted NMR-based metabolomics
AlpsNMR: an R package for signal processing of fully untargeted NMR-based metabolomics Open
Summary Nuclear magnetic resonance (NMR)-based metabolomics is widely used to obtain metabolic fingerprints of biological systems. While targeted workflows require previous knowledge of metabolites, prior to statistical analysis, untargete…
View article: MALDI imaging mass spectrometry and chemometric tools to discriminate highly similar colorectal cancer tissues
MALDI imaging mass spectrometry and chemometric tools to discriminate highly similar colorectal cancer tissues Open
View article: Use of physiological information based on grayscale images to improve mass spectrometry imaging data analysis from biological tissues
Use of physiological information based on grayscale images to improve mass spectrometry imaging data analysis from biological tissues Open
View article: Thermal desorption-ion mobility spectrometry: A rapid sensor for the detection of cannabinoids and discrimination of Cannabis sativa L. chemotypes
Thermal desorption-ion mobility spectrometry: A rapid sensor for the detection of cannabinoids and discrimination of Cannabis sativa L. chemotypes Open
View article: A Practical Method to Estimate the Resolving Power of a Chemical Sensor Array: Application to Feature Selection
A Practical Method to Estimate the Resolving Power of a Chemical Sensor Array: Application to Feature Selection Open
A methodology to calculate analytical figures of merit is not well established for detection systems that are based on sensor arrays with low sensor selectivity. In this work, we present a practical approach to estimate the Resolving Power…
View article: NO2 Measurements with RGB Sensors for Easy In-Field Test
NO2 Measurements with RGB Sensors for Easy In-Field Test Open
We present a simple an inexpensive method to implement a Griess-Saltzman-type reaction that combines the advantages of the liquid phase method (high specificity, fast response time) with the benefits of a solid implementation (easy to hand…
View article: Fire detection using a gas sensor array with sensor fusion algorithms
Fire detection using a gas sensor array with sensor fusion algorithms Open
Conventional fire alarms are based on smoke detection. Nevertheless, in some fire scenarios volatiles are released before smoke. Fire detectors based only on chemical sensors have already been proposed as they may provide faster response, …
View article: Calibration transfer and drift counteraction in chemical sensor arrays using Direct Standardization
Calibration transfer and drift counteraction in chemical sensor arrays using Direct Standardization Open
Inherent variability of chemical sensors makes it necessary to calibrate chemical detection systems individually. This shortcoming has traditionally limited usability of systems based on metal oxide gas sensor arrays and prevented mass-pro…
View article: Calibration transfer in temperature modulated gas sensor arrays
Calibration transfer in temperature modulated gas sensor arrays Open
View article: Data set from gas sensor array under flow modulation
Data set from gas sensor array under flow modulation Open