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Assessment of Particulate Matter, Volatile Organic Compounds, and Suspended Solids in Some Settlements around Port Harcourt Metropolis, Rivers State Nigeria

There is a proliferation of particulate matter in the atmosphere within and around the cities because of increased industrial activities. It is thus hypothesized that increase in human activities lead to increase in pollutants concentration inside (n=80 houses sampled) and outside residential areas. Thus, to investigate the air quality at different residential areas within indoor and outdoor environment air samples were collected using Particle Counter (Model: HHPC MET), and Gas Monitor (Aeroqual series 500) to determine particulate matters (i.e., PM10, and PM2,5), volatile organic carbon (VOC) and total solid particle (TSP).
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Chronic Exposure to Artificial Light Spectra at night alter Neurobehaviour and Neurotransmitter levels in Albino Rats

Artificial light at night has been reported to have significant effects on the physiology and behaviour of animals by its impact on their circadian rhythm. This study investigated the effect of artificial light spectra at night on neurotransmitter activities and neurobehavioural changes in the albino rat. Blue (470 nm) and red (665 nm) lights were used; with ambient light and darkness serving as positive and negative controls, respectively. The rats were exposed to daylight from 6 am to 6 pm and 12 hours of artificial light (6 pm - 6 am) daily (light sources were 13 Watt compact florescent electric bulbs). Neurobehavioural outcomes were measured using the Open Field Test (OFT) and Morris Water Maze (MWM).
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Dietary Supplementation of Zinc Oxide Nanoparticles on Growth, Haematological, and Biochemical Parameters of Koi Carp Cyprinus carpio var koi

The present study aimed at the dietary supplementation of zinc oxide nanoparticles on growth, haematological and biochemical parameters of Koi carp. The zinc oxide nanoparticles were synthesized and characterized using UV-VIS, SEM, EDAX, and FTIR. Six feeds were prepared with different quantities of synthesized zinc oxide nanoparticles (F1 - Control, F2 -20 mg, F3 – 40mg, F4 – 60mg, F5-80mg and F6 – 100mg) and feed ingredients are fish meal, groundnut oilcake, wheat flour, and tapioca flour.
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Decompressive Hemicraniectomy for Malignant Middle Cerebral Artery at the Regional University Hospital of Besançon, France: Mortality and Functional Outcome at Six Months and 12 Months

Malignant infarction of the middle cerebral artery territory is a serious clinical form with a mortality rate of approximately 80%. Several large studies have demonstrated the effectiveness of decompressive hemicraniectomy in reducing mortality and functional impairment following malignant infarction of the middle cerebral artery. The aim of this work was to assess the mortality and functional prognosis of patients who underwent decompressive hemicraniectomy surgery for malignant infarction of the middle cerebral artery from 2009 to May 2016 at the Regional University Hospital of Besançon.
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Chemical Synthesis, Characterization of Ag, Au Nanoparticles and Formulation of Bimetallic Nanostructure onto Tri-block Copolymer Surfaces

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Early Predictive Value of MR-proADM in Critically Ill Patients with Covid-19: An Observational Study in the Emergency Department

Since December 2019, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has reached catastrophic proportions. Many patients required admission to the intensive care units (ICU), stressing the capacity of public health systems. The workload in the emergency departments (ED), especially the ICU, has dramatically increased, creating a pressing need to optimize resources through risk stratification for critically ill COVID-19 patients.
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Wartenbergs syndrome or angiodynia. Ultrasound differentiation

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A Controlled Release PLGA Bupivacaine Construct and its Effect on Chondrocytes

Controlling osteoarthritic pain has emerged as a major health care challenge. Available treatments are either cytotoxic or addictive and therefore there is an urgent need to develop alternative treatment options. We previously developed a liposomal-alginate construct to improve local anesthetic delivery as a potential chronic pain management treatment.
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Application of Lando®Artificial Dermal Regeneration Matrix in Treatment of Challenging Scar Contracture Release of a Severely Deformed Wrist: A Case Report

Here we present a case of a 36–year–old woman who suffered from severe (118°) flexion deformity of the right wrist joint because of heavily burn scar contracture of the right hand wrist. After scar excision, the wrist external fixator was applied and adjusted regularly to extent the wrist and to obtain normal range of motion of the wrist joint. Skin reconstruction was performed with a dermal regeneration matrix and eventually with a split-thickness skin graf
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Facial Arteriovenous Fistula following Orthodontic Treatment: Case Report

The arteriovenous fistula is an anomalous connection between an artery and a vein. The superficial temporal artery and the facial artery are the most affected in the head and neck regions. It can be congenital, acquired or a post-traumatic fistula.
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Microscopic Characteristics of Nanoparticles inside the Liquid Suspension by Molecular Dynamics Simulation

Conveying nanopowder or nanoparticles are involved in the numerous industry fields, but discontinuous and unstable transportation often takes place, and even the pipes clogged because of nanoparticle aggregation. Understanding in detailed the microscopic characteristics of nanoparticles suspended in the base fluid will play a vital role.
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Can Vitamin D Deficiency be a Risk Factor for Coronary Artery Disease? A Large Cross-Sectional Study of Patients Referred to Cardiovascular Clinic

Cardiovascular disease (CVD) is one of the most common causes of mortality and morbidity worldwide.Coronary artery disease (CAD) is the most common form of CVD. To prevent CAD we need to assess the risk of future CAD in all patients referred for cardiovascular care, but each of the several available systems for risk assessment has its own limitations. This study was designed to determine whether vitamin D deficiency is a potential risk factor for CAD.
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Rehabilitation Outcomes under Precaution-Free Management for Dislocation after Bipolar Hemiarthroplasty with a Conjoined Tendon Preserving Posterior Approach: A Retrospective Case-Control Study

Early rehabilitation after bipolar hemiarthroplasty (BHA) requires risk management for postoperative dislocation. Since April 2018, BHA has been performed at our hospital using a conjoined tendon-preserving posterior (CPP) approach, which preserves the piriformis and short rotator muscles (the gemellus superior, the obturator internus and the gemellus inferior) and dissects only the external obturator.
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Right Ovarian Vein Thrombophlebitis Complicated by an Inferior Endocaval Floating Thrombus Revealed by Postpartum Pyrexia: A Case Report

The clinical course of our patient highlights an atypical presentation of thromboembolic disease related to pregnancy, a thrombophlebitis of the right ovarian vein with endocaval floating thrombus. The diagnosis remains difficult since it is a rare entity with an atypical presentation but with serious medical consequences.
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Application of CCASNS with iVNS in The Treatment of Cerebral Palsy with DrugRefractory Epilepsy

The aim of this study was to investigate the safety and feasibility of common carotid artery sympathetic nerve network stripping (CCASNS) combined with implanted vagus nerve stimulation (iVNS) for seizure control in children with cerebral palsy with refractory epilepsy. We reviewed the medical records of children with cerebral palsy with drugrefractory epilepsy treated at the Fifth Affiliated Hospital of Zhengzhou University from September 2015 to June 2019.
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Anodizing for Design and Function

Two basic reactions occur during the anodizing of aluminum: 1) the aluminum is consumed and 2) an oxide grows. By accepting this statement as true, the anodizing process can be viewed as a corrosion process, and anodizing can be modeled using the Tafel Equation. Anodizing process parameters of electrolyte chemistry and concentration, temperature, aluminum substrate resistance and current density are presented as they relate to the Tafel Equation and how they impact the anodic aluminum oxide structure and properties. Understanding this relationship is consequent in making anodizing an engineering process, one that enables tuning the structure such that it yields distinct characteristics to fulfill design and application requirements.
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Recent Developments in Human Odor Detection Technologies

Human odor detection technologies have drawn attention due to the wide possibility of potential applications they open up in areas such as biometrics, criminal investigation and forensics, search for survivors under rubble, and security checkpoint screening. Gas chromatography/mass spectrometry (GC/MS) has been the most successful and powerful analytical approach developed to date for human odor analysis, and hundreds of human odorants have been identified using this tool.
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Electronic-nose Applications in Forensic Science and for Analysis of Volatile Biomarkers in the Human Breath

The application of electronic-nose (E-nose) technologies in forensic science is a recent new development following a long history of progress in the development of diverse applications in the related biomedical and pharmaceutical fields. Data from forensic analyses must satisfy the needs and requirements of both the scientific and legal communities. The type of data collected from electronic-nose devices provides a means of identifying specific types of information about the chemical nature of evidentiary objects and samples under investigation using aroma signature profiles of complex gaseous mixtures containing volatile organic compounds (VOCs) released from manufactured products and parts of the human body. E-nose analyses also provide useful qualitative information about the physicochemical characteristics and metabolic conditions of human subjects without the need for time-consuming analyses to identify all chemical components in human-derived volatile mixtures.
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Analysis of Sweat Simulant Mixtures using Multiplexed Arrays of DNA-Carbon Nanotube Vapor Sensors

Carbon nanotube (NT) based electronic vapor sensors were tested against synthetic sweat solutions, consisting of 13 volatile organic compounds (VOCs) in saline, in order to probe the device ability to analyze and differentiate vapors derived from complex biological samples.
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Characteristic Human Scent Compounds Trapped on Natural and Synthetic Fabrics as analyzed by SPME-GC/MS

The collection of human odor volatiles is of interest to forensic applications as a path to investigate canine scent discriminations in legal investigations. A study using a selected array of previously identified human odor compounds has been conducted to determine the retention and release capabilities of five (5) natural and synthetic fabric types, cotton (mercerized fabric and gauze matrix), polyester, rayon and wool.
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The Effects of the Film Thickness and Roughness in the Anodization Process of Very Thin Aluminum Films

The anodization of aluminum foils having micrometer thickness is a common process and results in hexagonally self-ordered alumina membranes. However, anodic aluminum oxide (AAO) membranes fabricated from nanometer-thin films present new challenges to the anodization process, since aluminum films adheres poorly on supporting substrates and the smoothness of the film is highly related to the kind of substrate.
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Anodic Oxidation of Titanium in Sulphuric Acid and Phosphoric Acid Electrolytes

Anodisation of pure titanium has been carried out in sulphuric and in phosphoric acid solutions at potentials ranging from 50 to 150V. The SEM and AFM morphological analysis indicates that, within this potential range, oxidation in sulphuric acid solution produces better developed mesoporous oxide layers.
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Fabrication of Ordered Arrays of Anodic Aluminum Oxide Pores with Interpore Distance Smaller than the Pitch of Nano-pits formed by Ion Beam Etching

We investigated a method for preparation of ordered nanopore arrays with the interpore distance of 60 nm by guided self-organization of anodic aluminum oxide with a prepatterned array of pits in the starting Al film.
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Preparation of Large Area Anodic Alumina Membranes and their Application to Thin Film Fuel Cell

The design of an electrochemical reactor for the preparation of self-supported comparatively thin (up to 10 μm) and large area (up to 50 cm2) anodic alumina membranes is described allowing growth of porous alumina at high applied potential (up to 150 V) without burning.
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Fabrication of Vertical Cu2ZnSnS4 Nanowire Arrays by Two-Step Electroplating Method into Anodic Aluminum Oxide Template

Vertical Cu2ZnSnS4 (CZTS) nanowire arrays have been synthesized via two-step electroplating method into anodized aluminum oxide template. For deposition of CZTS nanowires, anodized aluminum oxide (AAO) was used as the growth mask for the growth of the nanowires. AAO templates with hole sizes of 70 nm in diameter were used in the experiments.
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Fabrication and Luminescence of Anodic Alumina with Incorporated Vanadyl Citrate Chelate Anions

Anodic aluminum oxide doped with vanadyl citrate chelate complex anions was formed by a two-step self-organized anodization in 2 wt. % sulfuric acid containing 0.04 M V2O5 and 0.08 M citric acid at voltage range 13-23 V, and at 0 and 15 oC. The combination of two temperatures and at least four voltages (depending on the applied temperature) was applied as the operating conditions of anodization.
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Synthesis of BaTiO3 Nanowires via Anodic Aluminum Oxide Template Method Assisted by Vacuum-and-Drop Loading

In this paper, we report on the synthesis of BaTiO3 nanowires via the anodic aluminum oxide template method. To fill in the precursors of BaTiO3 into anodic aluminum oxide templates, the vacuum and drop loading method developed in our previous study was used. Ba(CH3COO)2 (barium acetate) and C12H28O4Ti (tetraisopropyl orthotitanate) were used as Ba and Ti sources, respectively. Anodic aluminum oxide membranes with the through-hole diameter of ~200 nm were used as the template for BaTiO3 nanowires.
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Editorial Board Members Related to ART

CLAUDIO FOZZA

Aggregate Professor
Department of Biomedical sciences
University of Sassari
Italy

Sheldon R. Gordon

Professor
Department of Biological Sciences
Oakland University
United States

Gheorghe Mircea Constantinescu

Professor
Department of Biomedical Sciences
University of Missouri
United States

SERDAR-UYSAL

Associate Professor
Department of Dentomaxillofacial Radiology
Hacettepe University
Turkey

Eyad Mazin Mallah

Associate professor
Department of Pharmaceutical Medicinal Chemistry and Pharmacognosy
University of Petra
Jordan

Asma Amleh

Assistant Professor
Department of Biology
American University in Cairo
Egypt

ILANA B. ADDIS

Associate Professor
Department of Obstetrics and Gynecology
University of Arizona College of Medicine
United States

Tatjana Rundek

Professor
Miller School of Medicine
University of Miami
United States

Jiang He

Associate Professor
Department of Radiology and Medical Imaging
University of Virginia
United States

Lina H K LIM

Associate Professor
Department of Physiology
National University of Singapore
Singapore
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