Search Results - "Valor, Alma"
-
1
Design of a Low-Cost Diffuse Optical Mammography System for Biomedical Image Processing in Breast Cancer Diagnosis
Published in Sensors (Basel, Switzerland) (29-04-2023)“…Worldwide, breast cancer is the most common type of cancer that mainly affects women. Several diagnosis techniques based on optical instrumentation and image…”
Get full text
Journal Article -
2
Diffuse reflectance spectroscopy accurately discriminates early and advanced grades of fatty liver in mice
Published in Journal of biomedical optics (01-11-2018)“…Nonalcoholic fatty liver disease (NAFLD) ranges from steatosis to nonalcoholic steatohepatitis and cirrhosis. Liver biopsy, considered the gold standard to…”
Get full text
Journal Article -
3
Study of Methionine Choline Deficient Diet-Induced Steatosis in Mice Using Endogenous Fluorescence Spectroscopy
Published in Molecules (Basel, Switzerland) (29-08-2019)“…Non-alcoholic fatty liver disease is a highly prevalent condition worldwide that increases the risk to develop liver fibrosis, cirrhosis, and hepatocellular…”
Get full text
Journal Article -
4
Detection of Counterfeit Tequila by Fluorescence Spectroscopy
Published in Journal of spectroscopy (Hindawi) (01-01-2015)“…An ultraviolet (UV) light induced fluorescence study to discriminate fake tequila from genuine ones is presented. A portable homemade system based on four…”
Get full text
Journal Article -
5
Reliability assessment of buried pipelines based on different corrosion rate models
Published in Corrosion science (01-01-2013)“…► Five corrosion rate (CR) distributions are derived from different pitting growth models. ► These distributions are used to perform reliability analyses of…”
Get full text
Journal Article -
6
The negative binomial distribution as a model for external corrosion defect counts in buried pipelines
Published in Corrosion science (01-12-2015)“…•Observed external-corrosion defects in underground pipelines revealed a tendency to cluster.•The Poisson distribution is unable to fit extensive count data…”
Get full text
Journal Article -
7
Fiber-optic pulseoximeter for local oxygen saturation determination using a Monte Carlo multi-layer model for calibration
Published in Computer methods and programs in biomedicine (01-04-2020)“…•A handheld fiber optic pulse oximetrer for local measurements was fully developed.•Calibration curves were obtained and compared with a three and seven layers…”
Get full text
Journal Article -
8
Fluorescence spectroscopy on paraffin-preserved human liver samples to classify several grades of fibrosis
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05-12-2020)“…Nowadays, it is well established that biopsy is the gold standard for medical diagnosis of liver disease; however, recent studies have shown numerous…”
Get full text
Journal Article -
9
Combined methods of optical spectroscopy and artificial intelligence in the assessment of experimentally induced non-alcoholic fatty liver
Published in Computer methods and programs in biomedicine (01-01-2021)“…•For the first time data of DRS and EFS are combined to grade hepatic steatosis.•Algorithms to combine DRS/EFS data for accurate hepatic steatosis diagnosis…”
Get full text
Journal Article -
10
Statistical Analysis of Pitting Corrosion Field Data and Their Use for Realistic Reliability Estimations in Non-Piggable Pipeline Systems
Published in Corrosion (Houston, Tex.) (01-11-2014)“…The reliability and risk of non-piggable, corroding oil and gas pipelines can be estimated from historical failure data and through reliability models based on…”
Get full text
Conference Proceeding Journal Article -
11
Discussion: Statistical Characterization of Pitting Corrosion—Part 1: Data Analysis and Part 2: Probabilistic Modeling for Maximum Pit Depth
Published in Corrosion (Houston, Tex.) (01-02-2007)“…A. Valor, et al., discuss “Statistical Characterization of Pitting Corrosion—Part 1: Data Analysis” and “Statistical Characterization of Pitting Corrosion—Part…”
Get full text
Journal Article -
12
Thermal decomposition of the calcium salts of several carboxylic acids
Published in Thermochimica acta (01-07-2002)“…A systematic study of thermal decomposition of the calcium salts of eight carboxylic acids, using thermogravimetric analysis (TGA) and differential scanning…”
Get full text
Journal Article -
13
Spectroscopic and Imaging Characteristics of Pigmented Non-Melanoma Skin Cancer and Melanoma in Patients with Skin Phototypes III and IV
Published in Oncology and therapy (01-12-2016)“…Introduction Non-melanoma skin cancer is the most common malignancy worldwide. Differentiating between malignant and benign skin tumors, however, can be…”
Get full text
Journal Article -
14
Optical methods and image processing as a quantitative tool in photodynamic therapy: a proof of concept
Published in 2019 International Conference on Electronics, Communications and Computers (CONIELECOMP) (01-02-2019)“…This paper presents the first results of the combination of optical techniques, through fluorescence images captured by endoscopic techniques, and imaging…”
Get full text
Conference Proceeding -
15
Multispectral light source for endoscopic procedures
Published in 2018 International Conference on Electronics, Communications and Computers (CONIELECOMP) (01-02-2018)“…This paper presents the implementation of an endoscopic system with an opto-mechanical revolver for the interchange of five illumination sources for the in…”
Get full text
Conference Proceeding -
16
Residual magnetic fields reduce pit depth
Published in The Oil & gas journal (06-06-2011)“…This article studies the influence of the magnetic field on pitting corrosion in pipeline steel. Pitting corrosion experiments occurred on samples of API 5L…”
Get full text
Magazine Article -
17
Accurate corrosion modeling improves reliability estimations
Published in The Oil & gas journal (01-10-2012)“…Researchers derived five corrosion rate distributions from different pit growth models and used them to perform reliability analyses of underground pipelines…”
Get full text
Magazine Article -
18
Model choice governs accuracy of corrosion predictions
Published in The Oil & gas journal (05-11-2012)“…Pipeline reliability analysis requires selection of a defect growth model that will accurately predict both the time evolution of corrosion defects and the…”
Get full text
Magazine Article