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🔍 erik wittern 📄 Peer-Reviewed
Showing 8050 results for "erik wittern" · Peer-Reviewed
Multidisciplinary & Other Peer-Reviewed PDF DOI

Design of a High-Gain Single Circular Patch Radiator With a Cavity-Backed Structure Using Multiple SIW Feeders for Monopulse DF-Applications

Sangwoon Youn, Tae Heung Lim, Byung-Jun Jang, Hosung Choo · 2022

This paper proposes the design of a gain enhanced single circular patch radiator (SCPR) with a cavity-backed structure using multiple substrate integrated waveguide (SIW) feeders for monopulse systems…

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Multidisciplinary & Other Peer-Reviewed PDF DOI

Estimating the Bot Population on Twitter via Random Walk Based Sampling

Mei Fukuda, Kazuki Nakajima, Kazuyuki Shudo · 2022

The rise of social bots, which contribute to marketing, political intervention, and the spread of fake news, has been noted. Analysis methods for the characteristics of Twitter bots have been develope…

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Computer Science Peer-Reviewed PDF DOI

Robust Network Intrusion Detection System Based on Machine-Learning With Early Classification

Taehoon Kim, Wooguil Pak · 2022

Network Intrusion Detection Systems (NIDSs) using pattern matching have a fatal weakness in that they cannot detect new attacks because they only learn existing patterns and use them to detect those a…

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Multidisciplinary & Other Peer-Reviewed PDF DOI

Automated Heart Valve Disorder Detection Based on PDF Modeling of Formant Variation Pattern in PCG Signal

Monjur Morshed, Shaikh Anowarul Fattah, Mohammad Saquib · 2022

Heart valve disorder (HVD) analysis from heart sound is being well known for a long period of time, and use of digital stethoscope gives opportunity to diagnose HVDs from phonocardiographic (PCG) sign…

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Multidisciplinary & Other Peer-Reviewed PDF DOI

Angular Features-Based Human Action Recognition System for a Real Application With Subtle Unit Actions

Jaeyeong Ryu, Ashok Kumar Patil, Bharatesh Chakravarthi, Adithya Balasubramanyam, Soungsill Park, Youngho Chai · 2022

Human action recognition (HAR) technology is receiving considerable attention in the field of human-computer interaction. We present a HAR system that works stably in real-world applications. In real-…

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Multidisciplinary & Other Peer-Reviewed PDF DOI

A Single-Layer Broadband Reflectarray in K-Band Using Cross-Loop Slotted Patch Elements

Debidas Kundu, Dhrubajyoti Bhattacharya, Ruchi Ruchi · 2022

A broadband linearly polarized reflectarray antenna is designed by modifying a typically narrowband square patch unit element with cross-loop slot (CLS). Due to the introduction of the CLS, the unit p…

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Medicine & Health Peer-Reviewed PDF DOI

Excess Mortality Among Patients Hospitalized During the COVID-19 Pandemic.

Amber K Sabbatini, Ari Robicsek, Shih-Ting Chiu, Ty J Gluckman · 2021

The extent to which the COVID-19 pandemic has affected outcomes for patients with unplanned hospitalizations is unclear. To examine changes in in-hospital mortality for patients without COVID-19 durin…

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Medicine & Health Peer-Reviewed PDF DOI

What do COVID-19 Tweets Reveal about Public Engagement with Nature of Science?

David B Bichara, Zoubeida R Dagher, Hui Fang · 2021

Using the social media platform Twitter, this study explores public reference to "scientific method(s)" in tweets specifically pertaining to COVID-19 posted between January and June 2020. The study fo…

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Medicine & Health Peer-Reviewed PDF DOI

Medical Oncology Patient Perceptions of Telehealth Video Visits.

Rachel E Granberg, Arianna Heyer, Kristin L Rising, Nathan R Handley, Alexzandra T Gentsch, Adam F Binder · 2021

Telehealth in medical oncology has expanded secondary to the COVID-19 pandemic. However, quantitative research on medical oncology telehealth use shows conflicting results on patient satisfaction, whe…

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Computer Science Peer-Reviewed PDF DOI

Jagged Love: Narratives of Romance on Dating Apps during COVID-19.

Lisa Portolan, Jodi McAlister · 2021

The romance plot is one of the most pervasive narratives in Western society. It is a cultural masterplot: a story with which almost everyone is familiar, which can deeply and intrinsically shape the w…

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Medicine & Health Peer-Reviewed PDF DOI

Intracranial Hemorrhage in COVID-19 patients: A Case Series.

Rawad Abbas, Kareem El Naamani, Ahmad Sweid, Joseph W Schaefer, Kimon Bekelis, Nader Sourour, Mahmoud Elhorany, Aditya S Pandey, Stavropoula Tjoumakaris, Michael R Gooch, Nabeel A Herial, Robert H Rosenwasser, Pascal Jabbour · 2021

The COVID-19 pandemic is an ongoing public health emergency. While most cases end in asymptomatic or minor illness, there is growing evidence that some COVID-19 infections result in non-conventional d…

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Medicine & Health Peer-Reviewed PDF DOI

The impact of the COVID-19 pandemic on diagnostic imaging services in Australia.

Subhashaan Sreedharan, Mustafa Mian, David John Tobias McArdle, Alexander Rhodes · 2021

The COVID-19 pandemic is driving unprecedented changes in healthcare services worldwide. This study aimed to quantify the impact of the first wave of the COVID-19 pandemic on diagnostic imaging servic…

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Medicine & Health Peer-Reviewed PDF DOI

Interrogating structural inequalities in COVID-19 mortality in England and Wales.

Gareth J Griffith, George Davey Smith, David Manley, Laura D Howe, Gwilym Owen · 2021

Numerous observational studies have highlighted structural inequalities in COVID-19 mortality in the UK. Such studies often fail to consider the hierarchical, spatial nature of such inequalities in th…

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Medicine & Health Peer-Reviewed PDF DOI

Preventive behaviours and family inequalities during the COVID-19 pandemic: a cross-sectional study in China.

Yisheng Ye, Ruijun Wu, Yao Ge, Tao Wang, Xin Yao, Yao Yang, Chengxu Long, Fangfei Chen, Shangfeng Tang, Rui Huang · 2021

The coronavirus disease 2019 (COVID-19) pandemic is an international public health threat, and people's participation in disease-related preventive behaviours is the key to controlling infectious dise…

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Medicine & Health Peer-Reviewed PDF DOI

Future of Education or Present Reality: MD Anderson Cancer Center Hematopathology Virtual Educational Platform under Coronavirus Disease 2019 (COVID-19) Pandemic.

Kirill A Lyapichev, Sanam Loghavi, Siba El Hussein, Haneen Al-Maghrabi, Jie Xu, Sergej Konoplev, L Jeffrey Medeiros, Joseph D Khoury · 2021

Context - The main focus of education in most pathology residency and subspecialty pathology fellowships is the light microscopic examination of pathology specimens. Classes with multiheaded scopes ar…

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Medicine & Health Peer-Reviewed PDF DOI

Lung Ultrasound in the Diagnosis of COVID-19 Pneumonia: Not Always and Not Only What Is COVID-19 "Glitters".

Carla Maria Irene Quarato, Antonio Mirijello, Michele Maria Maggi, Cristina Borelli, Raffaele Russo, Donato Lacedonia, Maria Pia Foschino Barbaro, Giulia Scioscia, Pasquale Tondo, Gaetano Rea, Annalisa Simeone, Beatrice Feragalli, Valentina Massa, Antonio Greco, Salvatore De Cosmo, Marco Sperandeo · 2021

Background: In the current coronavirus disease-2019 (COVID-19) pandemic, lung ultrasound (LUS) has been extensively employed to evaluate lung involvement and proposed as a useful screening tool for ea…

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Computer Science Peer-Reviewed PDF DOI

Analyzing the Proliferation of Social Media Use Among Orthopaedic Surgery Residency Programs.

Taylor M Yong, Matthew A Pappas, Gabrielle S Ray, Timothy G McManus, Marcus P Coe · 2021

Social media can influence how students and residents learn about and select graduate medical education programs. COVID-19-related travel restrictions forced residencies to adapt their recruitment str…

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Medicine & Health Peer-Reviewed PDF DOI

Identification of potential phytochemicals from against main protease of SARS-CoV-2: molecular docking, molecular dynamic simulations and quantum computations.

Jishan Khan, Shahenur Alam Sakib, Shafi Mahmud, Zidan Khan, Mohammad Nazmul Islam, Mahfuz Ahmed Sakib, Talha Bin Emran, Jesus Simal-Gandara · 2021

The outbreak of coronavirus disease (COVID-19) caused by a novel RNA virus emerged at the end of 2019. Most of the patient's symptoms are mild to moderate, and influenza, acute respiratory distress sy…

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Computer Science Peer-Reviewed PDF DOI

The impact of physical activity rate on subjective well-being among North-Western Italian population during COVID-19 nationwide lockdown.

Federico Abate Daga, Samuel Agostino, Serenella Peretti, Luca Beratto · 2021

Several factors influence subjective well-being, and one of them is the rate of physical activity. However, the possibilities to perform physical activity are compromised by the running COVID-19 pande…

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Medicine & Health Peer-Reviewed PDF DOI

SARS-CoV-2 antibodies seroprevalence in dogs from France using ELISA and an automated western blotting assay.

Younes Laidoudi, Youssouf Sereme, Hacene Medkour, Stephanie Watier-Grillot, Pierre Scandola, Jacques Ginesta, Virginie Andreo, Claire Labarde, Loic Comtet, Philippe Pourquier, Didier Raoult, Jean-Lou Marie, Bernard Davoust · 2021

Dogs are occasionally susceptible to SARS-CoV-2, developing few or no clinical signs. Epidemiological surveillance of SARS-CoV-2 in dogs requires testing to distinguish it from other canine coronaviru…

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