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J, Volume 4, Issue 2

June 2021 - 12 articles

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Articles (12)

  • Article
  • Open Access
12 Citations
4,882 Views
17 Pages

Medical Device Regulation Efforts for mHealth Apps during the COVID-19 Pandemic—An Experience Report of Corona Check and Corona Health

  • Marc Holfelder,
  • Lena Mulansky,
  • Winfried Schlee,
  • Harald Baumeister,
  • Johannes Schobel,
  • Helmut Greger,
  • Andreas Hoff and
  • Rüdiger Pryss

16 June 2021

Within the healthcare environment, mobile health (mHealth) applications (apps) are becoming more and more important. The number of new mHealth apps has risen steadily in the last years. Especially the COVID-19 pandemic has led to an enormous amount o...

  • Article
  • Open Access
3 Citations
3,076 Views
13 Pages

Adsorptive and Coagulative Removal of Trace Metals from Water Using Surface Modified Sawdust-Based Cellulose Nanocrystals

  • Opeyemi A. Oyewo,
  • Sam Ramaila,
  • Lydia Mavuru,
  • Taile Leswifi and
  • Maurice S. Onyango

14 June 2021

The presence of toxic metals in surface and natural waters, even at trace levels, poses a great danger to humans and the ecosystem. Although the combination of adsorption and coagulation techniques has the potential to eradicate this problem, the use...

  • Review
  • Open Access
1 Citations
4,255 Views
11 Pages

9 June 2021

There is an ongoing demand for data on population health, for reasons of resource allocation, future planning and crucially to address inequalities in health between people and between populations. Although there are regular sources of data at coarse...

  • Article
  • Open Access
5 Citations
4,041 Views
15 Pages

7 June 2021

A p–n heterojunction semiconductor structure composed of Ce3O4 and BiVO4 has been synthesized and then incorporated into reduced graphene oxide (rGO) by the hydrothermal method. The ternary composites were characterized by X-ray diffraction, transmis...

  • Article
  • Open Access
3 Citations
4,424 Views
13 Pages

Prevalence and Factors Associated with Hygiene Behaviours among In-School Adolescents in Ghana

  • Abdul-Aziz Seidu,
  • Hubert Amu,
  • Tarif Salihu,
  • John Elvis Hagan,
  • Ebenezer Agbaglo,
  • Abigail Amoah,
  • Eric Abodey,
  • Margaret Abokoma Boateng and
  • Bright Opoku Ahinkorah

7 June 2021

(1) Background: Despite a global call to act to resolve communicable diseases caused by lack of clean water, sanitation, and hygiene, many people in low- and middle-income countries continue to die each year. In this study, we looked at in-school ado...

  • Communication
  • Open Access
7 Citations
7,830 Views
7 Pages

The Importance of Implementing Cyber Physical Systems to Acquire Real-Time Data and Indicators

  • Paula Morella,
  • María Pilar Lambán,
  • Jesús Antonio Royo and
  • Juan Carlos Sánchez

21 May 2021

Among the new trends in technology that have emerged through the Industry 4.0, Cyber Physical Systems (CPS) and Internet of Things (IoT) are crucial for the real-time data acquisition. This data acquisition, together with its transformation in valuab...

  • Article
  • Open Access
2 Citations
4,768 Views
16 Pages

14 May 2021

Factors underlying neighborhood variation in COVID-19 mortality are important to assess in order to prioritize resourcing and policy intervention. As well as characteristics of area populations, such as health status and ethnic mix, it is important t...

  • Article
  • Open Access
1 Citations
5,153 Views
15 Pages

7 May 2021

Current social and environmental challenges have led to the rethinking of residential designs. Global warming, food insecurity, and, as a result, costly fresh produce are some of the causes of the reconsideration. Moreover, with obligatory isolation...

  • Article
  • Open Access
3 Citations
3,548 Views
15 Pages

6 May 2021

Invasive plant species are a global environmental threat since they affect native species and can modify ecosystems, which negatively impacts human health and world economics. The aim of this preliminary study was to synthesize and characterize a new...

  • Article
  • Open Access
4 Citations
3,697 Views
15 Pages

Fractional SIR-Model for Estimating Transmission Dynamics of COVID-19 in India

  • Nita H. Shah,
  • Ankush H. Suthar,
  • Ekta N. Jayswal and
  • Ankit Sikarwar

30 April 2021

In this article, a time-dependent susceptible-infected-recovered (SIR) model is constructed to investigate the transmission rate of COVID-19 in various regions of India. The model included the fundamental parameters on which the transmission rate of...

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