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Research Article
Intracranial Ependymomas in Children the Role of Surgery and the Adjuvant Therapy
Bouaita K*, Atroune L, Selmane T and Habchi N
DOI: 10.31031/SMOAJ.2022.04.000595
Abstract
PDF
Full-Text
e-Pub
The purpose: The management of intracranial ependymomas represents a real challenge and the perfect treatment modality remains controversed. The goal of this study is to highlight the role of tumour removal
and the adjuvant therapy in the survival rate of children presenting with intracranial ependymomas.
Patients and methods: This retrospective study of 56 children presenting with non-metastatic
intracranial ependymomas treated in the period between 2015 and 2020. The age varies from 3 months
to 15 years while the mean age was 8 years. The infra tentorial location was found in 67.8%.
Result: The total resection of the tumour was achieved in only 42.8% of cases, whereas the subtotal
resection was performed in 35.7%. More than 50% of tumours were grade I and II of the Who classificati.....
Mini Review
Development of Polymers Coated with Immobilized Carbonic Anhydrase for CO2 Capture and its Application
DOI: 10.31031/PSPRJ.2022.02.000548
The rocketing CO2 emissions has caused intensified global warming effect to human beings. Although
several approaches have been proposed to reduce atmospheric CO2
emissions, high temperature condition
and high energy consumption make those approaches hard to carried out in industrial application.
Carbonic Anhydrase (CA) catalyzed hydration reactions or aqueous solvents are a potential alternative in
conventional amine-based CO2
capture, for its energy saving and excellent performance. However, free CA
will significantly increase the CA amounts and system cost, as well as decreasing the system efficiency. To
face the mentioned issues, some new methods of immobilization of CA are introduced, which can help to provide new ideas for alleviating greenhouse effect and global warming
Opinion
The Need for a Sustainable Energy Transition in Spain
Pablo Fernandez-Arias* and Diego Vergara-Rodriguez
DOI: 10.31031/COJEC.2022.02.000535
Sustainable development and climate change have gone from being issues to be dealt with
superficially at various international summits to become real problems on which concrete
decisions need to be taken in a short period of time. To give a few figures on the seriousness of
the problem, in the last 50 years, atmospheric CO2
concentration has increased by more than
30%. More than 10% of Green House Gas (GHG) emissions are due to deforestation. These
emissions are similar to those generated by land transport, mainly cars and trucks, which
continue to have a high dependence on traditional fossil fuels. The United Nations Climate
Change conference held in Paris in 2015 set a goal of limiting temperature rise this century to
below 1.5 degrees Celsius, yet 17 of the 18 warmest years in.....
Case Report
Posterior Root-End Resection with Palatal Approach
Juan G Robledo*, Karina I Krasnopolski and Pablo A Rodriguez
DOI: 10.31031/MRD.2022.07.000654
Root-end resection has been defined as “The surgical removal of the apical portion
of a root and adherent soft tissues” [1] thus, is a reliable method of treatment for peri
radicular disease. However, if surgery is indicated in the posterior region, some drawbacks
such as limited access, visibility and anatomical structures induce decision to extraction or
intentional replantation of the tooth. On the palatal side, anatomic considerations should
be evaluated such as root shape, curvatures, location of foramina, fused roots, fenestrations
and even possibility of molars with double palatal root [2,3].
The greater palatine neurovascular bundle (GPB) can be damaged during osteotomy,
root resection or even if a posterior relieving incision is used. Bleeding or paresthesia
could be .....
Mini Review
Innovation in Information Technology for Biomedicine: Ontologies Applied to the Systems Interoperability
Jeanne L Emygdio and Mauricio B Almeida*
Biomedicine is a vibrant field identified with a continuous in innovation. To address the vast amounts of
biomedical data, before innovating, one needs to interoperate data between information systems. Here
we provide a brief account of the pioneer initiatives to foster systems integration
Mini Review
Formation of Rhenium and Tantalum During Electrolysis of Distilled Water Using Tungsten Electrodes and the Expected Isotope Ratio
Kashchenko MP, Pechorsky VI, Kashchenko NM*, Nikolaeva NV and Pushin VG
DOI: 10.31031/AMMS.2022.08.000688
The original installation for plasma electrolysis of water demonstrated, according to [1], an example of the
implementation of low-energy nuclear reactions of the synthesis of chemical elements with low erosion of
electrodes. That is, the initial material for the formation of chemical elements was water, and the product was a solid fraction in the form of a polymetallic powder
Opinion
On The Mechanism of Human Carcinogenesis
DOI: 10.31031/NACS.2022.06.000646
Some bad ideas never die, like drinking and driving, American football, and refusing to
take COVID precautions. Thinking that “incidence rates for cancers overall increase steadily
as age increases” [1] is such an idea. It originated in the 1950’s [2], but has been thoroughly
debunked since then [3,4]. Unfortunately, even the National Cancer Institute continues to
promulgate this myth. Look at the age-distribution of new cancer diagnoses in the 2021
NCI report [1]. It is a bar graph, with each bar representing the number of new cancer cases
per 100,000 people at each age. The cancer incidence rate does increase with age steadily,
meaning regularly or at a relatively unchanging pace, but only from age 20 or so to age 60
or so. After that, the increase in incidence becomes grad.....
Review Article
Is There a Role for Employers to Play in Flexible Working?
This short paper examines the extent to which a range of organizational structure and cultural factors
influence employees’ engagement in Flexible-Working Arrangements (FWAs). Drawing upon a two-year
panel data in Britain, the analysis reveals that, in relation to organizational structural support, enriched
job design and teamwork have a negative impact on employees’ engagement in flextime and job share.
With regard to organizational culture factors, while perceived supervisor’s support enhances employees’
use of various FWAs, work-life balance policy has a positive impact on work-at-home and flextime. Overall, the findings suggest that, while management initiatives targeting a supportive culture likely enhances
employees’ engaging in flexibility, new measures are in need t.....
Opinion
Metallo Nanocomposites in the Matrix of Copolymer of 1-Vinyl-1,2,4, -Triazole with Methacrylic Acid
Sargsyan SH*, Sargsyan AS, Khizantsyan KM, Sargsyan TS, Margaryan KS and Aghajanyan IG
DOI: 10.31031/PSPRJ.2022.02.000547
For medicine, nanophotonics, and catalysis, nanocomposite materials with silver
nanoparticles are necessary and their use in these areas is promising [1]. In modern
chemical science, electrosynthesis and the study of the properties of functional polymers
and nanomaterials based on them are the most rapidly developing areas. Nanomaterials in
medicine are used as antibacterial drugs, biosensors, drug delivery systems, etc. [2,3]. The
process of electrosynthesis of metal-polymer nanocomposites and coatings on pure iron and
steel electrodes was investigated by combining the electrochemical (co)
Short Communication
Antimicrobial Activity of Moringa Oleifera
DOI: 10.31031/NTNF.2022.06.000636
Moringa oleifera is a tree native to the Himalayas but has been introduced to various regions of America, it has antimicrobial, nutritional, antioxidant and therapeutic properties. The objective of this study
was to evaluate the minimum inhibitory concentration of ethanolic extracts of Moringa oleifera leaves on
Staphylococcus epidermidis and Enterococcus faecalis. In the study it was observed that in S. epidermidis
the inhibition was similar in all concentrations, and for E. faecalis inhibition was only observed in the test
with the pure extract. Therefore, it is important to evaluate the inhibitory effect of Moringa oleifera on
other pathogenic strains, as well as the identification of the components that caused the inhibition
Research Article
Mechanism of Temporary Trapped Penis in Circumcision: Some Theories
DOI: 10.31031/RPN.2022.06.000634
Background: There are complications and bleeding differences among obese and buried penis cases.
Bleeding symptoms in these cases may not indicate the amount of bleeding. Continuation of bleeding
without symptoms may bring along other problems such as trapped penis.
Objective: Aim of the study is to draw attention to hematoma and associated trapped penis cases, to
explain the mechanism of trapped penis formation through established theories based on the fluid mechanics, to demonstrate that minor hemorrhages, which occur in patients with the buried penis, may be
incompatible with the amount of bleeding.
Materials & methods: Patients with penile/perineal hematoma that developed after routine ritual circumcision, which was performed under local anesthesia in healthy individuals, were in.....
Opinion
Ignorance, the Hidden Epidemic Habits, Addiction and COVID 19
DOI: 10.31031/FSAR.2022.05.000624
Humanity suffers from epidemics dating back at least 428 BC, where Thucydides describes
for the first time and in detail a plague that struck Athens. For multiple reasons, infectious
epidemics have raged since Greek times, generating more concern and more attention than
other non- infectious but far more deadly epidemics. Perhaps the suddenness of its onset,
the fear of the invisible germ, added to the apocalyptic tone shown by the media and the
confusion of governments when managing infectious epidemics, contribute to this effect. The
COVID 19 epidemic is an excellent sample. However, statistics show that contrary to popular
beliefs, the number of deaths does not place COVID 19 in the number one fatality position.
Even more paradoxical is that the same citizens who are distressed .....
Opinion
Artificial Intelligence and Digital Forensics on Data Governance Breaking Through its Importance to Organizations and its Operations
Bruno Bernardo*, Joao Barroso and Vitor Santos
DOI: 10.31031/FSAR.2022.05.000625
Nowadays, organizations and its businesses are being affected by threats from different
sources, being one of the main, the ever-increasing exponential growth of data, namely the
digital one and the digital disruption [1]. In fact, according to Ragan [2], data, specially the
actionable one, can be considered as the “secret weapon” on the highly dynamic and everinnovative market that characterizes the industry and financial market nowadays [2].
Likewise, the greatest amount of the decisions that organizations make and choose are based
on data [3]. According to Hoppszallern [4], it is unavoidable the importance that information
technology and data governance can have in managing and creating value for organizations.
In fact, Johnston [5] denotes data management as being amongst th.....
Mini Review
Machine Learning: Producing Sophisticated Injection Molded Articles Reliably with New Monitoring Systems
DOI: 10.31031/NRS.2022.10.000734
The most important processing methods for thermoplastics are injection moulding, blow
moulding and extrusion. The diverse and tailor-made properties of specified plastics and
the rapid developments in their processing technology have contributed significantly to the
successful substitution of traditional materials such as metal, wood and glass in various fields
of application.
Even though a rethinking seems to have started recently due to the pandemic situation
[1], in the course of globalization, economic growth and technological progress, it can still be
observed that novel and improved products and processes are becoming established, so that
a consistent change in industry and production can still be observed
Case Report
Gastric Post-Transplant Lymphoproliferative Disorder after Allogenic Stem Cell Transplantation
DOI: 10.31031/GMR.2022.06.000642
Post-Transplant Lymphoproliferative Disease (PTLD) is a well-known complication
following transplantation. Its estimated incidence is 2.5% at 1 year after bone marrow
transplantation [1,2]. PTLD consists of excessive (most frequently B) lymphocyte proliferation
in immunosuppressed patients. Most cases are associated with primary EBV infection
and occur within the first year after transplantation. Staging ranges from plasmocytic
hyperplasia to lymphoma. PTLD can be potentially fatal and treatment is based on reduced
immunosuppression, antiviral therapies, B cell proliferation blockers, chemotherapy and
most recently T-cell therapies [1,3]. We present the case of an 18-year-old young man, who
presented with a 48-hour history of low-grade fever, anorexia, abdominal discomfort and
vom.....
Research Article
Effect of Curcumin Mediated Photodynamic Technology on Salmonella typhimurium Biofilm and Its Bactericidal Mechanism and Application in Milk
DOI: 10.31031/MCDA.2022.10.000731
The inactivation effect of curcumin-mediated photodynamic technology (PDT), a novel alternative nonthermal technique, on Salmonella typhimurium (S. typhimurium) biofilm and its preliminary bactericidal
mechanism and application in milk were investigated. Biofilm formed from S. typhimurium ATCC 14028
was incubated with the photosensitizer curcumin, followed by exposure to blue laser (mad450nm) for
testing antibiofilm effect. Planktonic S. typhimurium was taken for exploring the possible bactericidal
mechanism. After curcumin-PDT treatment, the damages of bacterial DNA and protein were observed by
agarose gel electrophoresis and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE)
respectively, and the morphology change was visualized by scanning electron microscopy (SE.....
Opinion
Integrative Care in General Medicine
DOI: 10.31031/COJRR.2022.03.000570
Integrated care is defined as health services that are managed and delivered such that
people receive a continuum of health promotion, disease prevention, diagnosis, treatment,
disease management, rehabilitation, and palliative care services, coordinated across the
different levels and sites of care within and beyond the health sector and, according to their
needs, throughout the life course [1]. Behind this definition there are especially important
concepts
Opinion
Cost-Effective Environmental Remediation - Emerging Trend of Green Synthesis
DOI: 10.31031/MADD.2022.03.000569
Anthropogenic pollutions of the hydrosphere and lithosphere has been emerging as a
growing concern globally for sustainable development and human health. Current industrial
activities with abandoned plants and mining sites in addition to everyday life has been
a continuous source of environment pollution. In the context of growing need of cleaning
the industrial and municipal effluents and remediating contaminated soil and groundwater,
nanosized Zero-Valent Iron (nZVI) appears an emerging material due to its high reactivity
and expected low impact on the environment due to higher abundance of iron in the earth
crust. For testing the effectiveness of nZVI in contaminant removal from water and soil and
to modify its physicochemical properties of this material a number of studies incl.....
Perspective
What is Wrong with No Tillage System?
DOI: 10.31031/MCDA.2022.10.000729
Agriculture is the world’s largest industry and employs over one billion people and generates over $1.3
trillion dollar worth of food annually. The concept of no-tillage as the planting of crops with minimum soil
disturbance after harvesting previous crops has been used by indigenous cultures in ancient times. No
tillage agriculture represents an agricultural management system that mitigates soil erosion, decreases
production input costs, and sustains long-term crop productivity. There is the notion that no tillage
systems can mitigate climate change without any equivocal evidence that no-tillage can lead to carbon
sequestration let alone climate change mitigation. In the Kyoto protocol, the potential mitigation of
greenhouse gas emissions by terrestrial ecosystems with soil organ.....
Opinion
Antioxidant Activity in Plants Grown in Fly Ash Amended Soil
DOI: 10.31031/MCDA.2022.10.000728
During past years, meager information is obtained regarding the plant’s reaction with
respect to heavy metal stress induced when the plant is cultivated on various treatment
of fly ash in soil. Fly ash is an inorganic solid waste which contain several macronutrients,
micronutrients, heavy metals like As, Cr, Cd, Cu, Pb, Ni, Zn etc. which shows harmful effect
on the environment, soil, and ultimately human health. Throughout the world, fly ash is
produced in huge amounts, and now-a-days it is utilized as soil ameliorants in agriculture, as
a building material, in road construction, and in manufacturing of cement. As per reports from
various researchers, fly ash amended to soil may improve the physico-chemical properties of
soil and which h will ultimately improves the plant growth .....
Research Article
Evaluation of Aerial Carbon Sequestration in Cocoa Plantations of Different Ages in Baraderes, Haiti
DOI: 10.31031/MCDA.2022.10.000730
During the work, localities such as: Calbacier, Maton, Font-Tortue, Vincent-dron and Boino were identified
by their reputation in cacao culture to collect data that were collected through the five (5) localities,
of which 30 cacaoyers per locality were randomly selected within a radius of two-thirds of a hectare
(10000m2
), making a total of two hundred and forty (240) cacaoyers measured by the method described
by Purata [1]. To estimate biomass, dendrometry parameters such as (H and D) were selected and
then the allometric equation of Chave et al. [2] was used. Therefore, sequestered airborne carbon was
projected by biomass, the result of which is multiplied by the IPCC constant [3]. After calculation, the
results found for the space-sequestered carbon were respectively: Calbacier.....
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