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Open Access Original Research

Influence of Aging, Sterilization, and Composition on the Degradation of Polyurethane Foams

Sam Briggs ,

Mary Beth B Monroe ,

Mark Weizbicki ,

Sayyeda Marziya Hasan and

Duncan Maitland

Received: 05 April 2021; Published: 25 June 2021; doi: 10.21926/rpm.2102025

Abstract

Shape memory polymers (SMPs) are highly attractive materials for medical devices. Specifically, SMP foams are currently being used as embolic devices in peripheral and cerebral vascular applications. To ensure the proper function and safety of these materials in their intended applicatio [...]

Open Access Review

Psilocybin as a Novel Pharmacotherapy for Treatment-Refractory Anorexia Nervosa

Sarah-Catherine Rodan ,

Phillip Aouad ,

Iain S McGregor and

Sarah Maguire

Received: 08 April 2021; Published: 24 June 2021; doi: 10.21926/obm.neurobiol.2102102

Abstract

Anorexia Nervosa (AN) is a major health problem with one of the highest mortalities and treatment costs of any psychiatric condition. Cognitive behavioural therapy (CBT) is currently the most widely used treatment for AN in adults but provides remission rates ≤ 50%. Treatment drop-out is [...]

Open Access Review

Dynamic Behavior of Li in Solid-State Li-Ion Batteries Studied using MeV Ion Beam Analysis Techniques

Kenji Morita and

Bun Tsuchiya

Received: 26 March 2021; Published: 24 June 2021; doi: 10.21926/jept.2102029

Abstract

In this review, various studies on the Li depth profiles of metal/electrolyte/metal capacitors and batteries of Au/LCO/LATP/Pt, LCO/LiPON/Si, and LMO/LiPON/NbO with different metal electrodes at both sides (by bias; LCO =LiCoO₂ [...]

Open Access Original Research

Development of Wind IPMSG Based Bipolar DC Microgrids

Chang-Ming Liaw ,

Xiang-Yu Sun ,

Min-Ze Lu and

Ping-Hong Jhou

Received: 25 February 2021; Published: 22 June 2021; doi: 10.21926/jept.2102028

Abstract

This paper presents the development of a wind Interior Permanent-Magnet Synchronous Generator (IPMSG) based bipolar DC microgrids along with various switch-mode rectifiers. Firstly, the wind IPMSG is established and adequately controlled to possess satisfactory generating characteristics during diff [...]

Open Access Review

Use of α-Lactalbumin [α-La] from Whey as a Vehicle for Bioactive Compounds in Food Technology and Pharmaceutics: A Review

Andrea Patricia Cuevas-Gómez ,

Izlia J. Arroyo-Maya and

Hernandez-Sanchez Humberto

Received: 26 April 2021; Published: 22 June 2021; doi: 10.21926/rpm.2102027

Abstract

Whey protein is a byproduct of cheese, casein, and Greek yogurt produced in Europe, North America, and Australasia. It is a substantial source of functional proteins and peptides for the worldwide food industry. α-Lactalbumin (α-La) is a globular protein that can be isolated from WPI (&l [...]

Open Access Case Report

Varicella-Zoster Gastritis in a Liver Transplant Patient: A Call to Attention

Víctor Escrich ,

Angela Martinez Herreros ,

Berta Lapeña ,

Marta Mayorga ,

Antonio Cuadrado ,

Javier Crespo and

Emilio Fabrega

Received: 01 March 2021; Published: 21 June 2021; doi: 10.21926/obm.hg.2102057

Abstract

The reactivation of the Varicella-zoster virus (VZV) is a rare cause of acute gastritis in adults. About 30 cases have been reported in the literature, mostly with immunocompromised patients and mainly after bone marrow transplantation or during the development of malignant hematological [...]

Open Access Review

A Review of the Multi-Physical Characteristics of Plant Aggregates and Their Effects on the Properties of Plant-Based Concrete

Herinjaka Haga Ratsimbazafy ,

Aurélie Laborel-Préneron ,

Camille Magniont and

Philippe Evon

Received: 26 March 2021; Published: 20 June 2021; doi: 10.21926/rpm.2102026

Abstract

The use of plant aggregates obtained from agricultural co-products mixed with mineral binders to form eco-friendly insulating building materials has been initiated for a few years to bring environmentally friendly solutions to the construction sector. Several studies on different agro-re [...]

Open Access Original Research

Automated Probabilistic Analysis and Parametric Modelling of the Seasonal-Diurnal Wind Vector

Nicholas Cook

Received: 14 April 2021; Published: 19 June 2021; doi: 10.21926/jept.2102027

Abstract

A refined and extended version of the Offset Elliptical Normal mixture model has been developed to parameterise the seasonal diurnal wind vector automatically. Automated using R scripts, the method eliminates any potential risk of confirmation bias posed by the manual supervision in the original met [...]

Open Access Original Research

Potential Impact of UWWT Effluent Discharges on Ruditapes decussatus: An Approach Using Biomarkers

Sofia Silva ,

Alexandra Cravo ,

João Rodrigues ,

Cátia Correia and

Cristina Almeida

Received: 09 April 2021; Published: 19 June 2021; doi: 10.21926/aeer.2102015

Abstract

The use of biomarkers in bivalves has gained significance as a reliable method for the assessment of the presence and effect of contaminants in aquatic ecosystems. However, it is important to note that the biomarkers respond not only to contaminant loadings and bioavailability but also t [...]

Open Access Research Article

Numerical Investigation of Pyrotechnical Initiators and Their Impact in Airbag Inflator Applications: Ballistic Modeling and Functional Analysis

Peng Li ,

Chi-Yao Chang and

Amsini Sadiki

Received: 02 April 2021; Published: 19 June 2021; doi: 10.21926/jept.2102026

Abstract

A numerical model describing the ballistic behavior of a commercially used initiator is presented in this article. This model was built on the principle of conservation of mass and energy in the multi-phase framework incorporated with mul [...]

Open Access Original Research

Estimating Met-Ocean Parameters during a Tropical Cyclone for Marine Science and Engineering

Shih-Ang Hsu

Received: 16 April 2021; Published: 16 June 2021; doi: 10.21926/jept.2102025

Abstract

During a tropical cyclone (TC) worldwide, the Regional and Mesoscale Meteorological Branch (RAMMB) of NOAA/NESDIS (http://rammb.cira.colostate.edu/) issues real-time TC surface wind analyses. The purpose of this article is to provi [...]

Open Access Opinion

Establishing and Evaluating a Multidisciplinary Community-Based Sleep Clinic for Children with Neurodevelopmental Difficulties in Inner London

Sally Hobson ,

Jenna Vyas-Lee ,

Jessica Turnbull and

Bidisha Lahoti

Received: 31 January 2021; Published: 15 June 2021; doi: 10.21926/obm.neurobiol.2102101

Abstract

We describe our experience of setting up and evaluating a community-based multi-disciplinary sleep service for children with neurodevelopmental disorders and psychosocial vulnerabilities.Referrals are accepted for children (1-18 years of age) with persistent sleep problems, and neurodeve [...]

Open Access Research Article

The PBAR Protocol: Antipsychotic Medication Reduction in the Nursing Home

Melodee Harris ,

Priya Mendiratta ,

Gohar Azhar ,

Ruofei Du and

Jing Jin

Received: 24 November 2020; Published: 15 June 2021; doi: 10.21926/obm.geriatr.2102172

Abstract

Neuropsychiatric symptoms (NPS) occur in almost all persons living with dementia. Antipsychotic medications are often prescribed inappropriately for persons living with dementia who experience NPS. Adverse side effects of antipsychotic medications include falls, sedation, cognitive dysfu [...]

Open Access Original Research

The Use of Sulfur Waste to Protect Against Corrosion of Metal Implants

Mariusz Książek

Received: 24 March 2021; Published: 15 June 2021; doi: 10.21926/rpm.2102024

Abstract

Metal parts of endoprosthesis have a detrimental effect on the bones that come into contact with them and on the entire body of the patient. Coating them with biocompatible layers (hydroxyapatite and bioglass) has not yet brought about permanent results. In this study, the author showed [...]

Open Access Original Research

Performance Investigation of a Nickel Cermet Anode Modified with Copper, Alkaline Earth Metal Oxide, Boron, and Perovskite for Direct Methane Fuel Cell

Andrew Chien ,

Eric Lin and

Nicole Ye

Received: 26 April 2021; Published: 11 June 2021; doi: 10.21926/jept.2102024

Abstract

The metallic copper, alkaline earth metal oxide, boron, and perovskite were incorporated on the surface of a Ni-cermet anode, and the performance of the modified Solid Oxide Fuel Cell (SOFC) anode was evaluated. The cell performance was analyzed by voltage-current characteristics (V-I curve) and H&l [...]

Open Access Research Article

Modelling the Cumulative Number of COVID-19 Cases

Mieczysław Szyszkowicz

Received: 14 April 2021; Published: 10 June 2021; doi: 10.21926/aeer.2102014

Abstract

Each country has its own characteristics of COVID-19 infection trajectory and epidemic waves. Differences in government-implemented restrictions and social regulations result in variability of the virus transmissions and spread dynamics. This in turn results in various shapes of the grow [...]

Open Access Research Article

Effects of Oxygen on Renal Function and Oxidative Stress During Hypothermic Machine Perfusion in an Experimental Porcine Model of Kidney Donation after Cardiac Death

VICTORIA GOMEZ-DOS-SANTOS ,

VITAL HEVIA-PALACIOS ,

MARIA LAURA GARCÍA-BERMEJO ,

ALBERTO ALCAZAR-GONZALEZ ,

MIREN EDURNE RAMOS-MUÑOZ ,

LAURA SALINAS-MUÑOZ ,

ELISA CONDE-MORENO ,

ALEJANDRO ESCOBAR-PESO ,

ANA BELEN SERRANO-ROMERO ,

ANA SAIZ-GONZALEZ ,

MIRIAM MENACHO-ROMAN and

FRANCISCO JAVIER BURGOS-REVILLA

Received: 22 December 2020; Published: 10 June 2021; doi: 10.21926/obm.transplant.2102144

Abstract

The efficacy and safety of using high concentrations of oxygen during hypothermic machine perfusion (HMP) have not been fully elucidated to date. This study investigated the impact of administering high concentrations of oxygen on renal function during HMP in a porcine donation after cir [...]

Open Access Original Research

An Ab Initio Study of Li/Ni-doped NaxMeO2 Cathode Material for Na-Ion Batteries

Arianna Massaro ,

Ana Belen Muñoz-García ,

Mariarosaria Tuccillo ,

Michele Pavone and

Pier Paolo Prosini

Received: 02 November 2020; Published: 10 June 2021; doi: 10.21926/jept.2102022

Abstract

The current state-of-the-art quantum mechanics methodologies were applied to derive information on the bulk and surface properties of the P2-type layered oxide Na_0.85Li_0.17Ni_0.21Mn_{0.6 [...]}

Open Access Original Research

The Trails Making Test. Does a Single Trial Reflect Performance Capability?

Kate McKeown ,

Emma Richards ,

Jessica Richardson and

Andrea Tales

Received: 08 January 2021; Published: 07 June 2021; doi: 10.21926/obm.neurobiol.2102100

Abstract

Information processing speed (Reaction time, RT) to a single administration of the Trails A and Trails B components of the Trail Making Test (TMT) is used in the assessment of brain and behavioural functional integrity across the lifespan in both clinical and research contexts. Although [...]

Open Access Research Article

Stenting of the esophagus in the course of the malignant dysphagia in elderly patients

Janusz Włodarczyk and

Alicja Włodarczyk

Received: 26 October 2020; Published: 07 June 2021; doi: 10.21926/obm.geriatr.2102171

Abstract

Esophageal cancer is a disease with difficult clinical management, and palliative therapy is the only predominant treatment. This retrospective study analyses the results of clinical management of elderly patients (>75 years of age) who were treated with esoph [...]

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Journal	2021
Advances in Chemical Research	free
Advances in Environmental and Engineering Research	free
Catalysis Research	free
Journal of Energy and Power Technology	free
OBM Genetics	charges
OBM Geriatrics	charges
OBM Hepatology and Gastroenterology	free
OBM Integrative and Complementary Medicine	charges
OBM Neurobiology	free
OBM Transplantation	charges
Recent Progress in Nutrition	free
Recent Progress in Materials	free
Recent Progress in Plant Science	free

Journal

2021

Advances in Chemical Research

free

Advances in Environmental and Engineering Research

free

Catalysis Research

free

Journal of Energy and Power Technology

free

OBM Genetics

charges