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Effect of Combining Maize Straw and Palm Oil Fuel Ashes in Concrete as Partial Cement Replacement in Compression
(2021) Odeyemi S.O., Abdulwahab R., Giwa Z.T, Anifowose M.A, Odeyemi O.T., Ezenweani C.F
The high energy consumption connected with cement manufacturing, as well as the depletion of
limestone resources and the release of carbon dioxide, which contributes to global warming, are all
important issues that must be addressed. Partially replacing cement with agricultural wastes in concrete,
which reduces cement output, is an innovative solution to this problem. This paper examined the effect of
combining Palm Oil Fuel Ash (POFA) and Maize Straw Ash (MSA) as partial replacement of cement on
the compressive strength of Grade 20 concrete at 0 - 30 % POFA and 0 - 30 % MSA using Historical data
under the Response Surface study in Design-Expert software. The concrete cubes were tested at 7, 28, and
56 days of curing. It was discovered that there was a decrease in the compressive strength of the concrete
with the percentage increase in the quantity of the POFA and MSA for all the curing days considered.
However, there was a progressive increase in the compressive strength with an increase in the days of
curing. The optimum combination of percentages of POFA, MSA and cement that gave a strength greater
than the target compressive strength of 20 N/mm2 in 56 days is 30 % POFA and 16.6 % MSA and 53.4 %
Cement at 0.58 water-cement ratio.
Item
Community-Based Strategies to Improve Primary Health Care (PHC) Services in Developing Countries. Case Study of Nigeria
(Scient Open Access Journal: Journal of Primary Health Care and General Practice, 2020-02-06) Oluwasogo A. OLALUBI; Ibrahim Sebutu BELLO
Primary Health Care (PHC) remains the minimum package of healthcare that
should be provided to every individual and community across Nigeria's Health System. The
aim is to improve relatively the health status of the nation by ensuring the provision of healthcare
services to people in rural areas which is indicated by reduced mortality and morbidity
and improved survival rates in such communities. However, the situation of health status
in Nigeria has not yet attained the desired level. Data shows that as of 2015, the country
recorded 814 maternal deaths / 100,000 live births which put her in the same category
as the poorest countries in the world such as Chad, Niger and Somalia among others.
Furthermore, Nigeria’s health profile reveals that 2,300 under-five children and 145 women
of childbearing age die every single day. Moreover, malaria, pneumonia, diarrhoea and
other preventable infectious diseases remain the major causes of under-five deaths
in Nigeria. Given these problems faced by PHC in the country, there is an urgent need
for ‘‘one health’’ approach integrating the principal stakeholders, the current Minister of Health,
state commissioners for health, all 774 Local Government chairmen as well as the National
Postgraduate Medical College of Nigeria (NPMCN) to revisit manpower need of PHCs and
secondary healthcare facilities. There is also the need for policies for restructuring, leadership
and running of these PHC institutions. Promoting health and prolonging life requires prompt
detection and effective management of common communicable and non-communicable
diseases cases which can only be achieved through a robust primary healthcare facility.
A national health insurance system that provides cover for vulnerable special groups,
aged, young adolescents, school children, as well as pregnant mothers is a necessity
towards reducing inequality in access to basic primary healthcare. This will reduce
dependence on out-of-pocket spending and improve access to healthcare services.
Item
Values and Hopes of Ebola Vaccines Mass Immunization Programs and Treatments Adoption and Implementation Benefits in Africa
(International Journal of Vaccines and Vaccination, 2015-11-06) Ernest Tambo; Chidiebere EU; Oluwasogo A. Olalubi; Isatta W; Jeannetta KJ; Jeane YN
The potential benefits of safe, effective and cost effective Ebola vaccines
and massive population-based immunization and treatment can be easily
demonstrated by the unprecedented Ebola outbreak consequences that raged
West Africa and intimidation the international public health security. Effective
community-based health programming and contextual understanding have shown
to be of tremendous benefits of global poliomyelitis immunization initiative.
Africa fertility rate is among the highest in the world and projected growth over
next 40 years, from 1.1 billion to 2.4 billion by 2050. It has become clear that
the lack of effective Ebola immunization programs and management logistics
in both vulnerable populations and international travellers was complicated by
weak health planning and epidemics preparedness. Moreover, poor prognosis
and late local, regional and international response led to preventable toll of
over 27,609 cases and 11,261 deaths been recorded in West Africa recently.
As Ebola still represents a common threat in Africa and threatening the global
community; this article reports a cumulative survival rate varying between 37-
66% in West Africa with the highest in Sierra Leone of 67% in contrast to 26% in
DR Congo with the highest cumulative frequencies of seven of Ebola resurgence
episodes from 1977-2014, and Uganda five episodes from 2000-2012. But what
exactly triggers to those Ebola patients fortunate enough to survive is still to be
elucidated. West Africa has recorded a cumulative fatality rate ranging from 34-
63 %. Understanding the benefits of Ebola immunization should be of importance
and could provide inklings into Ebola’s weakness in such dearth of local medical
and healthcare delivery, intense global travel and food insecurity systems. Hence,
development and effective deployment of massive population-based Ebola
immunization program and travel medicine policy on prevention and control
measures should be a major priority post-Ebola emergency response directed to
curb and to eradicate the threatening Ebola outbreaks. In addition, development
of evidence-based innovative community-based primary healthcare services,
functioning delivery mechanisms, other public health interventions surveillance
and recovery packages. Hence, support in improving safety and healthy living
in achieving the national / regional growth, sustainable development goals and
global health security.
Item
An evaluation of the effect of graphene oxide on Saccharomyces cerevisiae
(African Journal of Microbiology Research, 2018-12-21) Nafisat Omotayo; Onyanobi Abel-Anyebe; Oluwasogo Olalubi; Obaid Ullah; Shahlla Mir; Opeyemi Ojekunle; Adedamola Olatoregun; Judith Anglin; Ayodotun Sodipe