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6,252 Results Found

  • Article
  • Open Access
454 Views
19 Pages

Hepatic Doppler Perfusion Index in Healthy Adults: Standardization, Physiological Reference Limit, and Clinical Perspectives

  • Christian Lueders,
  • Johannes Gladitz,
  • Nils Eckstein,
  • Judith Schulz and ,
  • Thomas Kiefer,
  • Heinz Völler,
  • Carsten-Heinrich Weylandt and
  • Daniel Merkel
  • + 3 authors+ 0 author

Background/Objectives: The Doppler perfusion index (DPI) quantifies the ratio of arterial to total hepatic blood flow and reflects hepatic hemodynamic balance. Its clinical applicability is limited by insufficient standardization and the absence of c...

(This article belongs to the Special Issue Abdominal Ultrasound: A Left Behind Area—2nd Edition)
  • Proceeding Paper
  • Open Access
2,141 Views
10 Pages

Ultra-Wide Band (UWB) real-time localization systems usually require either precise and robust synchronization of the anchor transceivers or sufficiently stable clocks for methods referred to as “synchronization-free”. Typically, reasonab...

(This article belongs to the Proceedings of European Navigation Conference 2024)
  • Article
  • Open Access
6 Citations
4,161 Views
17 Pages

Towards Creation of Ceramic-Based Low Permeability Reference Standards

  • Svyatoslav Chugunov,
  • Andrey Kazak,
  • Mohammed Amro,
  • Carsten Freese and
  • Iskander Akhatov

25 November 2019

Low-permeable materials, either artificial or natural, are essential components of the current technological development. Their production or processing requires a comprehensive characterization method based on confident reference standards. Permeabi...

(This article belongs to the Section Porous Materials)
  • Technical Note
  • Open Access
8 Citations
5,753 Views
15 Pages

22 May 2017

The radio noise that comes from the Sun has been reported in literature as a reference signal to check the quality of dual-polarization weather radar receivers for the S-band and C-band. In most cases, the focus was on relative calibration: horizonta...

(This article belongs to the Section Remote Sensors)
  • Review
  • Open Access
1 Citations
1,096 Views
14 Pages

5 June 2026

Redox catalysts play a critical role in advancing sustainability by enabling cleaner, more efficient chemical transformations. The redox potential of a catalyst determines the reaction direction thermodynamically, as electrons are transferred from th...

(This article belongs to the Section Sustainable Water Management)
  • Article
  • Open Access
30 Citations
4,255 Views
21 Pages

Harmonic Detection for Shunt Active Power Filter Using ADALINE Neural Network

  • Sarawut Janpong,
  • Kongpol Areerak and
  • Kongpan Areerak

19 July 2021

This paper presents an efficient harmonic detection for real-time generation of the reference current fed to a shunt active power filter using the ADALINE neural network. This proposed method is a single layer with 101 nodes generating the coefficien...

(This article belongs to the Section F: Electrical Engineering)
  • Article
  • Open Access
15 Citations
6,189 Views
21 Pages

Metabolomics Test Materials for Quality Control: A Study of a Urine Materials Suite

  • Daniel W. Bearden,
  • David A. Sheen,
  • Yamil Simón-Manso,
  • Bruce A. Benner and ,
  • Werickson F. C. Rocha,
  • Niksa Blonder,
  • Katrice A. Lippa,
  • Richard D. Beger,
  • Laura K. Schnackenberg and
  • Daniel Raftery
  • + 11 authors+ 6 authors

7 November 2019

There is a lack of experimental reference materials and standards for metabolomics measurements, such as urine, plasma, and other human fluid samples. Reasons include difficulties with supply, distribution, and dissemination of information about the...

  • Article
  • Open Access
28 Citations
6,140 Views
12 Pages

Determination of Minerals in Soft and Hard Cheese Varieties by ICP-OES: A Comparison of Digestion Methods

  • Gaurav K. Deshwal,
  • Laura G. Gómez-Mascaraque,
  • Mark Fenelon and
  • Thom Huppertz

For sample preparation prior to mineral analysis, microwave digestion (~2 h) is quicker and requires lower acid volume as compared to dry (6–8 h) and wet digestion (4–5 h). However, microwave digestion had not yet been compared systematic...

(This article belongs to the Special Issue Nutrition and Sensory Analysis of Food)
  • Article
  • Open Access
1 Citations
4,385 Views
16 Pages

Prediction of Drug Efficacy in Colon Cancer Preclinical Models Using a Novel Ranking Method of Gene Expression

  • Justine Fritz,
  • Olivier Lefebvre,
  • Aurore Fernandez,
  • Jordane Schmidt and
  • Dominique Bagnard

8 January 2020

The presence of stromal cells in tumors is altering the significance of molecular profiling when using standard methods of gene expression quantification. We developed a novel normalization method to rank target gene expression in tumor samples by co...

  • Article
  • Open Access
25 Citations
5,140 Views
13 Pages

An Enhanced Temporal Feature Integration Method for Environmental Sound Recognition

  • Vasileios Bountourakis,
  • Lazaros Vrysis,
  • Konstantinos Konstantoudakis and
  • Nikolaos Vryzas

8 May 2019

Temporal feature integration refers to a set of strategies attempting to capture the information conveyed in the temporal evolution of the signal. It has been extensively applied in the context of semantic audio showing performance improvements again...

(This article belongs to the Special Issue Indoor Soundscape: Integrating Sound, Experience and Architecture)
  • Review
  • Open Access
2 Citations
2,706 Views
13 Pages

Trace Elements in Post-Mortem Tissues: A Review of Current Evidence and Forensic Challenges

  • Claudia Trignano,
  • Angela Sabalic,
  • Andrea Pisano,
  • Davide Tutedde and ,
  • Pablo Hernández-Camarero,
  • Raffaele La Russa,
  • Macarena Perán and
  • Roberto Madeddu
  • + 3 authors+ 0 author

31 August 2025

Background: Trace elements and heavy metals can provide valuable forensic information for individual identification, lifestyle reconstruction, and association with the scene or time of death and may also assist in linking objects to criminal activiti...

(This article belongs to the Special Issue Forensic and Post-Mortem Toxicology)
  • Article
  • Open Access
11 Citations
5,456 Views
20 Pages

Validation of Abundance Map Reference Data for Spectral Unmixing

  • McKay D. Williams,
  • Robert J. Parody,
  • Alexander J. Fafard,
  • John P. Kerekes and
  • Jan Van Aardt

12 May 2017

The purpose of this study is to validate the accuracy of abundance map reference data (AMRD) for three airborne imaging spectrometer (IS) scenes. AMRD refers to reference data maps (“ground truth”) that are specifically designed to quantitatively ass...

  • Article
  • Open Access
2 Citations
3,480 Views
9 Pages

Dental Age Estimation Standards for Hispanic Children and Adolescents in California

  • Adriana Ustarez,
  • Daniela Rodrigues Silva,
  • Graham Roberts and
  • Jayakumar Jayaraman

24 August 2022

Background: In recent years, cross-border migrations have resulted in an increase in the number of unaccompanied children apprehended at the United States border, particularly in the state of California. The assessment of the chronological age of a c...

(This article belongs to the Special Issue Estimating Age in Forensic Anthropology)
  • Review
  • Open Access
3 Citations
5,527 Views
19 Pages

27 March 2023

Since written reference works on ancient design techniques are still extant, it is possible to gain an understanding of the development of these designs. In particular, we are able to investigate dimensional standards used for wood members using the...

(This article belongs to the Section Sustainable Engineering and Science)
  • Systematic Review
  • Open Access
1,572 Views
15 Pages

Diagnostic Accuracy of Point-of-Care Tests to Diagnose Vitamin D Deficiency in Adults and Children: Systematic Review

  • Jacqueline Murphy,
  • Youngjoo Kang,
  • Philip J. Turner,
  • Nia W. Roberts and ,
  • Gail N. Hayward,
  • Chris Bird and
  • Thomas R. Fanshawe
  • + 2 authors+ 0 author

Background/Objectives: Compared to conventional test methods, point-of-care tests (POCTs) offer advantages for optimising care in patient groups at risk of vitamin D deficiency. However, their diagnostic accuracy in clinical settings has not previous...

(This article belongs to the Section Point-of-Care Diagnostics and Devices)
  • Proceeding Paper
  • Open Access
2,115 Views
3 Pages

Anti-vibration gloves undergo a certification procedure that is described in the EN ISO 10819:2013. This is a laboratory practice that, in this paper, is compared with a standardized field method. Two methods are implemented in the tests: a direct me...

(This article belongs to the Proceedings of The 15th International Conference on Hand-Arm Vibration)
  • Article
  • Open Access
2 Citations
3,413 Views
14 Pages

An approach to design analog building blocks based on digital standard cells is presented in this work. By ensuring that every CMOS inverter from a standard-cell library operates with a well-defined quiescent current and output voltage, the suggested...

(This article belongs to the Special Issue Ultra-Low-Power ICs for the Internet of Things (2nd Edition))
  • Article
  • Open Access
4 Citations
3,234 Views
21 Pages

Comprehensive Comparison of the Capacity of Functionalized Sepharose, Magnetic Core, and Polystyrene Nanoparticles to Immuno-Precipitate Procalcitonin from Human Material for the Subsequent Quantification by LC-MS/MS

  • Thomas Masetto,
  • Kai Matzenbach,
  • Thomas Reuschel,
  • Sebastian-Alexander Tölke and ,
  • Klaus Schneider,
  • Lea Marie Esser,
  • Marco Reinhart,
  • Laura Bindila,
  • Christoph Peter and
  • Matthias Grimmler
  • + 5 authors+ 0 author

Sepsis is a life-threatening organ dysfunction caused by a dysregulated host response to infection. The fast and accurate diagnosis of sepsis by procalcitonin (PCT) has emerged as an essential tool in clinical medicine. Although in use in the clinica...

(This article belongs to the Special Issue Biopolymers for Enhanced Health Benefits)
  • Article
  • Open Access
18 Citations
7,957 Views
19 Pages

Uncertainty Analysis of a Two-Dimensional Hydraulic Model

  • Khalid Oubennaceur,
  • Karem Chokmani,
  • Miroslav Nastev,
  • Marion Tanguy and
  • Sebastien Raymond

4 March 2018

A reliability approach referred to as the point estimate method (PEM) is presented to assess the uncertainty of a two-dimensional hydraulic model. PEM is a special case of numerical quadrature based on orthogonal polynomials, which evaluates the stat...

  • Article
  • Open Access
2 Citations
2,332 Views
12 Pages

Validation of Automated Bacterial Suspension Preparation by Colibri® and Plate Streaking by WASP® for Antibiotic Disk Diffusion Susceptibility Testing

  • Robin Vanstokstraeten,
  • Eveline Van Honacker,
  • Kristof Emmerechts,
  • Zan Janssen and ,
  • Charlotte Michel,
  • Goran Van Der Kelen,
  • Kristof Vandoorslaer,
  • Deborah De Geyter and
  • Bram Vanmechelen
  • + 4 authors+ 0 author

21 November 2025

Background/objectives: One of the most crucial responsibilities of clinical microbiology laboratories involves conducting precise and fast antimicrobial susceptibility testing (AST) on bacterial isolates, necessary to guide antibiotic therapy. Standa...

(This article belongs to the Section Antibiotic Therapy in Infectious Diseases)
  • Article
  • Open Access
2 Citations
3,142 Views
13 Pages

Metagenomic data compression is very important as metagenomic projects are facing the challenges of larger data volumes per sample and more samples nowadays. Reference-based compression is a promising method to obtain a high compression ratio. Howeve...

(This article belongs to the Section Systems Microbiology)
  • Article
  • Open Access
4 Citations
6,105 Views
23 Pages

Fetal Gestational Age Prediction in Brain Magnetic Resonance Imaging Using Artificial Intelligence: A Comparative Study of Three Biometric Techniques

  • Farzan Vahedifard,
  • Xuchu Liu,
  • Kranthi K. Marathu,
  • H. Asher Ai and ,
  • Mark P. Supanich,
  • Mehmet Kocak,
  • Seth Adler,
  • Shehbaz M. Ansari,
  • Melih Akyuz and
  • Sharon Byrd
  • + 6 authors+ 1 author

15 July 2024

Accurately predicting a fetus’s gestational age (GA) is crucial in prenatal care. This study aimed to develop an artificial intelligence (AI) model to predict GA using biometric measurements from fetal brain magnetic resonance imaging (MRI). We...

  • Article
  • Open Access
21 Citations
4,783 Views
19 Pages

Multi-Evaluating Strategy for Siji-kangbingdu Mixture: Chemical Profiling, Fingerprint Characterization, and Quantitative Analysis

  • Zhuoru Yao,
  • Jingao Yu,
  • Zhishu Tang,
  • Hongbo Liu and ,
  • Kaihua Ruan,
  • Zhongxing Song,
  • Yanru Liu,
  • Kun Yan,
  • Yan Liu and
  • Huqiang Ma
  • + 6 authors+ 1 author

30 September 2019

Siji-kangbingdu mixture is an anti-inflammatory, anti-bacterial, and anti-viral herbal mixture which is frequently used by doctors to treat upper respiratory infections. It’s important to establish an efficient and economical quality-control me...

  • Article
  • Open Access
40 Citations
3,786 Views
12 Pages

29 June 2021

The tomato leaf miner, Tuta absoluta is a destructive pest of tomato. The leaf-mining activities of its larvae can cause significant yield losses. Real-time quantitative polymerase chain reaction (RT-qPCR) is commonly used to measure gene expression,...

  • Systematic Review
  • Open Access
10 Citations
1,622 Views
19 Pages

Artificial Intelligence for RECIST-Based Radiologic Treatment Response Assessment in Solid Tumors: A Systematic Review of Imaging- and Report-Derived Approaches

  • Agnieszka Leszczyńska,
  • Michał Seweryn,
  • Rafał Obuchowicz,
  • Michał Strzelecki and ,
  • Adam Piórkowski and
  • Paweł Michał Potocki
  • + 1 author+ 0 author

2 March 2026

Background/Objectives: To systematically review and critically appraise AI methods for RECIST-based radiologic treatment response assessment in solid tumors, comparing image-derived and report-derived approaches and summarizing their performance, agr...

(This article belongs to the Section Systematic Review or Meta-Analysis in Cancer Research)
  • Article
  • Open Access
19 Citations
5,633 Views
23 Pages

3 February 2021

A method for simultaneous laser profilometer and hand–eye calibration in relation to an industrial robot as well as its implementation is presented. In contrast to other methods, the new calibration procedure requires the measurement of only one refe...

(This article belongs to the Section Sensors and Robotics)
  • Article
  • Open Access
1 Citations
2,624 Views
19 Pages

25 October 2024

Reference intervals are indispensable for the interpretation of medical laboratory results to distinguish “normal” from “pathological” values. Recently, indirect methods have been published, which estimate reference intervals...

  • Article
  • Open Access
1 Citations
975 Views
6 Pages

Establishing Reference Intervals for White Blood Cell and Absolute Neutrophil Counts in Duffy Null Individuals

  • Mohammad Barouqa,
  • Muhammad Areeb Ashfaq,
  • Katrina J. Jiang,
  • Huseyin Kilic and ,
  • Nestor Dela Cruz,
  • Aariez Khalid and
  • Marianne E. Yassa
  • + 2 authors+ 0 author

Background/Objectives: The Duffy (Fy) blood group system, encoded by the ACKR1 gene, plays a key role in transfusion medicine and host susceptibility to malarial infections such as Plasmodium vivax. The Duffy-null phenotype [Fy(a−b−)] is...

  • Article
  • Open Access
33 Citations
9,633 Views
10 Pages

3 May 2011

A near infrared reflectance spectroscopy (NIRS) method for rapid determination of nitrogen, phosphorous and potassium in diverse meadow grasses was developed with a view towards utilizing this material for biogas production and organic fertilizer. NI...

(This article belongs to the Section Chemical Sensors)
  • Article
  • Open Access
23 Citations
6,092 Views
16 Pages

Effects of Category Aggregation on Land Change Simulation Based on Corine Land Cover Data

  • Orsolya Gyöngyi Varga,
  • Robert Gilmore Pontius Jr,
  • Zsuzsanna Szabó and
  • Szilárd Szabó

22 April 2020

Several factors influence the performance of land change simulation models. One potentially important factor is land category aggregation, which reduces the number of categories while having the potential to reduce also the size of apparent land chan...

(This article belongs to the Special Issue CORINE Land Cover System: Limits and Challenges for Territorial Studies and Planning)
  • Article
  • Open Access
3 Citations
3,696 Views
19 Pages

The High Efficiency Video Coding (HEVC) standard has now become the most popular video coding solution for video conferencing, broadcasting, and streaming. However, its compression performance is still a critical issue for adopting a large number of...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
39 Citations
6,129 Views
13 Pages

Quantification of Total Phenolic and Carotenoid Content in Blackberries (Rubus Fructicosus L.) Using Near Infrared Spectroscopy (NIRS) and Multivariate Analysis

  • Eva María Toledo-Martín,
  • María del Carmen García-García,
  • Rafael Font,
  • José Manuel Moreno-Rojas and ,
  • María Salinas-Navarro,
  • Pedro Gómez and
  • Mercedes Del Río-Celestino
  • + 2 authors+ 0 author

4 December 2018

A rapid method to quantify the total phenolic content (TPC) and total carotenoid content (TCC) in blackberries using near infrared spectroscopy (NIRS) was carried out aiming to provide reductions in analysis time and cost for the food industry. A tot...

(This article belongs to the Special Issue Advances in Near Infrared Spectroscopy and Related Computational Methods)
  • Article
  • Open Access
803 Views
15 Pages

Multi-Objective Cross-Entropy Approach for Distribution System Reliability Evaluation

  • Lucas Fritzen Venturini,
  • Beatriz Silveira Buss,
  • Erika Pequeno dos Santos,
  • Leonel Magalhães Carvalho and
  • Diego Issicaba

8 December 2025

Reliability evaluation of power distribution systems is computationally intensive, as standard Monte Carlo simulations require extensive sampling to accurately estimate rare event-based indices like SAIDI and SAIFI. This paper introduces a multi-obje...

(This article belongs to the Section F1: Electrical Power System)
  • Article
  • Open Access
22 Citations
5,579 Views
17 Pages

Chemical Separation of Uranium and Precise Measurement of 234U/238U and 235U/238U Ratios in Soil Samples Using Multi Collector Inductively Coupled Plasma Mass Spectrometry

  • Nimelan Veerasamy,
  • Asako Takamasa,
  • Rajamanickam Murugan,
  • Sharayu Kasar and ,
  • Tatsuo Aono,
  • Kazumasa Inoue,
  • Masahiro Fukushi and
  • Sarata Kumar Sahoo
  • + 3 authors+ 0 author

A new chemical separation has been developed to isolate uranium (U) using two UTEVA columns to minimize iron and thorium interferences from high background area soil samples containing minerals like monazites and ilmenite. The separation method was s...

(This article belongs to the Special Issue Advances and Future Trends in Inductively Coupled Plasma – Mass Spectrometry)
  • Article
  • Open Access
1 Citations
1,392 Views
9 Pages

Preparation of a Lyophilized Bovine Milk Reference Material for Quality Control of Amoxicillin Detection

  • Shulin Wei,
  • Wei Zhang,
  • Decheng Suo,
  • Peilong Wang and ,
  • Kang Ma and
  • Ruiguo Wang
  • + 1 author+ 0 author

15 February 2026

A bovine milk reference material was produced containing amoxicillin with a target concentration at the maximum residue limit. For the evaluation and characterization of the reference material, an isotope dilution–liquid chromatography/tandem m...

  • Article
  • Open Access
2,652 Views
14 Pages

Calibration of Target-Tracking MIMO Radar Sensors by Comparison with a Narrow-Beam CW Doppler Reference

  • Seif Ben-Hassine,
  • Jean-Marie Lerat,
  • Jimmy Dubard,
  • Pierre Betis and
  • Dominique Renoux

This paper introduces a method for calibrating radar sensors in a multi-sensor cinemometer system using a reference cinemometer based on CW Doppler radar. The method involves synchronizing sensors, pairing data with reference measurements, and perfor...

  • Article
  • Open Access
4 Citations
2,622 Views
14 Pages

Currently, China’s river water quality evaluation adopts the “Environmental Quality Standards for Surface Water”, while the seawater quality evaluation uses the “Seawater Quality Standard”. However, estuarine areas, wher...

(This article belongs to the Section Chemical Oceanography)
  • Article
  • Open Access
6 Citations
7,384 Views
22 Pages

Comparison of Dimensional Accuracy between a Laser Scanner and a Laser Tracker with Handheld Scan in a Laboratory Setting

  • Alex Krummenauer,
  • Douglas Bergamo,
  • Roberto Serpa Soares,
  • Victor Emmanuel de Oliveira Gomes and
  • Vitor Camargo Nardelli

12 April 2024

The dimensional accuracy of a laser scanner has been extensively evaluated using various measurement methods and diverse reference standards. This study specifically focuses on two key considerations. Firstly, it assesses the dimensional accuracy of...

  • Article
  • Open Access
2 Citations
2,804 Views
15 Pages

Comparison of Sensors for Air Quality Monitoring with Reference Methods in Zagreb, Croatia

  • Silvije Davila,
  • Marija Jelena Lovrić Štefiček,
  • Ivan Bešlić,
  • Gordana Pehnec and ,
  • Marko Marić and
  • Ivana Hrga
  • + 1 author+ 0 author

18 April 2025

Within the scope of “Eco Map of Zagreb” project, eight sensor sets (type AQMeshPod) were set up at an automatic measuring station at the Institute for Medical Research and Occupational Health (IMROH) for comparison with reference methods...

(This article belongs to the Special Issue Feature Papers in Atmospheric Techniques, Instruments, and Modeling)
  • Article
  • Open Access
12 Citations
10,479 Views
9 Pages

Papain Enzyme Assisted Extraction of Virgin Coconut Oil as Candidate In-House Reference Material

  • Yulirohyami,
  • Habibi Hidayat,
  • Aprisilia Rizky Wijaya and
  • Is Fatimah

6 February 2022

This study concerns papain enzyme assisted synthesis of virgin coconut oil (VCO) as a candidate in-house reference material. The study was conducted to obtain optimization of the VCO preparation with green processes as the standardized product which...

(This article belongs to the Special Issue Recent Advances in Natural Bioactive Compound Valorization)
  • Article
  • Open Access
5 Citations
4,269 Views
10 Pages

Analytical biosimilarity assessment relies on two implicit conditions. First, the analytical method must meet a set of requirements known as fit for intended use related to trueness and precision. Second, the manufacture of the reference drug product...

(This article belongs to the Special Issue Analytical Techniques in the Pharmaceutical Sciences)
  • Article
  • Open Access
6 Citations
7,769 Views
18 Pages

14 March 2022

This paper considers the unknown electrical resistance (measurand) as the numerical result of the measurement that was carried out by means of the well-known direct comparison measurement method using an appropriate standard resistor and voltmeter. I...

(This article belongs to the Topic Advanced Systems Engineering: Theory and Applications)
  • Article
  • Open Access
29 Citations
7,037 Views
16 Pages

Evaluating Normalization Methods for Robust Spectral Performance Assessments of Hyperspectral Imaging Cameras

  • Siavash Mazdeyasna,
  • Mohammed Shahriar Arefin,
  • Andrew Fales,
  • Silas J. Leavesley and ,
  • T. Joshua Pfefer and
  • Quanzeng Wang
  • + 1 author+ 0 author

4 January 2025

Hyperspectral imaging (HSI) technology, which offers both spatial and spectral information, holds significant potential for enhancing diagnostic performance during endoscopy and other medical procedures. However, quantitative evaluation of HSI camera...

(This article belongs to the Section Biosensor and Bioelectronic Devices)
  • Article
  • Open Access
17 Citations
3,187 Views
18 Pages

Beyond One-Size-Fits-All: Addressing Methodological Constraints in Novel Antimicrobials Discovery

  • Silvia Puxeddu,
  • Serena Canton,
  • Alessandra Scano,
  • Ilenia Delogu and ,
  • Andrea Pibiri,
  • Cristiana Cabriolu,
  • Sarah Vascellari,
  • Francesca Pettinau,
  • Tiziana Pivetta and
  • Fabrizio Angius
  • + 7 authors+ 2 authors

Background: Antimicrobial resistance is a growing global health concern that requires multiple strategies to be tackled effectively. While the discovery of new antimicrobial molecules is essential, the repurposing of existing compounds also plays a s...

  • Article
  • Open Access
9 Citations
5,222 Views
10 Pages

Performance of Contactless Respiratory Rate Monitoring by Albus HomeTM, an Automated System for Nocturnal Monitoring at Home: A Validation Study

  • William Do,
  • Richard Russell,
  • Christopher Wheeler,
  • Megan Lockwood and ,
  • Maarten De Vos,
  • Ian Pavord and
  • Mona Bafadhel
  • + 2 authors+ 0 author

21 September 2022

Respiratory rate (RR) is a clinically important predictor of cardio-respiratory deteriorations. The mainstay of clinical measurement comprises the manual counting of chest movements, which is variable between clinicians and limited to sporadic readin...

(This article belongs to the Section Biosensors)
  • Article
  • Open Access
10 Citations
2,784 Views
21 Pages

Intermethod Characterization of Commercially Available Extracellular Vesicles as Reference Materials

  • Sumeet Poudel,
  • Diane L. Nelson,
  • James H. Yen,
  • Yuefan Wang and ,
  • Hui Zhang,
  • Zhiyong He,
  • Ashley Beasley Green,
  • Wyatt N. Veerland,
  • Thomas E. Cleveland IV and
  • Lili Wang
  • + 8 authors+ 3 authors

31 December 2025

The National Institute of Standards and Technology (NIST) is developing analytical methods to characterize extracellular vesicles (EVs) to support the urgent need for standardized EV reference materials (RMs). This study used orthogonal techniques, c...

(This article belongs to the Section Cellular Biochemistry)
  • Technical Note
  • Open Access
13 Citations
6,347 Views
10 Pages

The electromagnetic power that comes from the Sun has been proved to be an effective reference for checking the quality of dual-polarization weather radar receiver. Operational monitoring methods have been developed and implemented for determining th...

(This article belongs to the Special Issue Radar Meteorology)
  • Article
  • Open Access
11 Citations
5,432 Views
22 Pages

Progress in Traceable Nanoscale Capacitance Measurements Using Scanning Microwave Microscopy

  • François Piquemal,
  • José Morán-Meza,
  • Alexandra Delvallée,
  • Damien Richert and
  • Khaled Kaja

23 March 2021

Reference samples are commonly used for the calibration and quantification of nanoscale electrical measurements of capacitances and dielectric constants in scanning microwave microscopy (SMM) and similar techniques. However, the traceability of these...

(This article belongs to the Special Issue Nanometrology)
  • Article
  • Open Access
30 Citations
8,854 Views
36 Pages

Standardized Time-Series and Interannual Phenological Deviation: New Techniques for Burned-Area Detection Using Long-Term MODIS-NBR Dataset

  • Osmar Abílio De Carvalho Júnior,
  • Renato Fontes Guimarães,
  • Cristiano Rosa Silva and
  • Roberto Arnaldo Trancoso Gomes

29 May 2015

Typically, digital image processing for burned-areas detection combines the use of a spectral index and the seasonal differencing method. However, the seasonal differencing has many errors when applied to a long-term time series. This article aims to...

  • Article
  • Open Access
2 Citations
1,337 Views
28 Pages

5 December 2025

The performance of various turbulence modelling methods for simulating cavitating flow over a hydrofoil was investigated. VOF mixture modelling was applied for the multiphase flow, along with a standard two-equation turbulence model, a hybrid RANS-LE...

(This article belongs to the Special Issue Cavitation Control in Marine Engineering: Modelling and Experiment)

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