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Muhammad Ridwan
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Britain International of Exact Sciences Journal (BIoEx Journal)
Published by BIAR Publisher
ISSN : 26861216     EISSN : 26861208     DOI : https://doi.org/10.33258/bioex
Core Subject : Health, Science, Education,
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Medicine & Pharmacology Physics
Britain International of Exact Sciences Journal is a peer-reviewed journal published in January, May and September by BIAR Publisher. BIoEx Journal welcomes research paper in mathematics, physics, chemistry, biology, engineering, medical sciences, argicultural sciences and other related fields which is published in both online and printed versions.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 183 Documents
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Application of Modern Methods: Modeling of Sedimentary Soil ESP Content Sorush Niknamian
Britain International of Exact Sciences (BIoEx) Journal Vol 1 No 1 (2019): Britain International of Exact Sciences Journal, September
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v1i1.22

Abstract

Knowing the exchangeable sodium percentage (ESP) variations and its values in sodic or saline-sodic soils is essential in order to estimate the amount of soil amendments and better land management. ESP calculated from cation exchange capacity (CEC), and since CEC measurement is difficult and time-consuming, ESP computation is costly and subject to error. Thus, presenting a method to estimate ESP indirectly, by an easily available index is much more efficient and economical. In this study, 296 soil samples collected and analyzed from Sistan plain, southeastern Iran. Soil ESP were predicted by using artificial neural networks, comprising radial basis functions (RBFN) and multilayer perceptron (MLP) and adaptive neuro-fuzzy inference systems (ANFIS), and results compared with stepwise linear regression method. Results indicated that the linear regression models performed poorly in order to estimate ESP (R2 ≤ 0.58 and root mean square error (RMSE) ≥ 4.31). Applying fewer inputs (electrical conductivity (EC) and pH), ANFIS showed better results (R2=0.80, RMSE=2.34), while increasing inputs (clay and organic carbon) decreased the accuracy (R2=0.82, RMSE=4.20). Using more inputs, RBFN resulted in better performance in comparison with other methods (R2=0.83, RMSE=2.85). Sensitivity analysis using the connection weight method demonstrated that EC, pH, clay percentage and bulk density are the most important variables in order to explain ESP variability in the region, respectively. Generally, considering the evaluation criteria and the number of used variables of models, ANFIS (with EC and pH as inputs) is the most appropriate method for estimating ESP in Sistan plain.
Formulation of Two-Stage Stochastic Programming with Fixed Recourse Hashnayne Ahmed
Britain International of Exact Sciences (BIoEx) Journal Vol 1 No 1 (2019): Britain International of Exact Sciences Journal, September
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v1i1.23

Abstract

Stochastic Programming is an asset for the next world researchers due to its uncertainty calculations, which has been skipped in deterministic world experiments as it includes complicated calculations. Two-stage stochastic programming concerns two time period decisions based on some random parameters obtained from past experience or some sort of survey. The objective function for formulating two-stage stochastic programming with fixed recourse includes two parts: first-stage forecast and second-stage fixed decisions based on the experiment results. The constraints are similar to the normal optimization techniques rather some adjustments of requirements and technology assets. The fixed recourse decisions are sort of decisions from the deterministic world. Formulation techniques of two-stage stochastic programming with fixed recourse may be used for further complications arises in stochastic programming like complete recourse problems, multi-stage problems, etc. And that’s why Two-stage stochastic programming with fixed recourse is called the primary model for stochastic programming.
Epidemio-therapeutic Survey on Malnourished Children Aged 0-5 Years Old in the Gbado-Lite Health Zone (Nord Ubangi Province, Democratic Republic of the Congo) Koto-te-Nyiwa Ngbolua; Guy Kumbali Ngambika; Blaise Mbembo-wa-Mbembo; Ruphin Djolu DJoza; Gédéon Ngiala Bongo; Falanga Mawi Clarisse; Benjamin Gbolo Zoawe; Masengo Ashande Colette; Libwa Momi Tabonge Bertin
Britain International of Exact Sciences (BIoEx) Journal Vol 1 No 1 (2019): Britain International of Exact Sciences Journal, September
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v1i1.24

Abstract

Child malnutrition is one cause of death worldwide, but the greatest burden is borne by African countries, particularly in Sub-Saharan Africa. The Democratic Republic of Congo, despite its wealth of biodiversity, is confronted with this phenomenon which seriously hinders its development. A cross-sectional descriptive study was conducted in The Nord Ubangi Province from 01 to 31 December 2016 on a population of 133 malnourished children aged 0 to 5. The results show that the 2 to 3 year old age group (25-36 months) was the most affected by malnutrition. The most affected children were male, at 52.63%. Most of these children, 24.8%, resided in rural areas around Gbadolite. The majority of their parents, 61.6%, was farmers or only engaged in housework. 78.9% of respondents had edema in their bodies, and 91.7% did not meet the appetite test. These children were subjected to antibacterial treatment outside of ready-to-use therapeutic foods (ATPE). After this treatment, the cure rate was satisfactory at 73.6%.
Determining the Predictive Power of Vitamin D Levels in Iron Deficiency Anemia Sorush Niknamian
Britain International of Exact Sciences (BIoEx) Journal Vol 1 No 1 (2019): Britain International of Exact Sciences Journal, September
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v1i1.25

Abstract

Background:Iron deficiency anemia is one of the most common hypochromic microcytic anemias and nutritional disorders in today’s world. Vitamin D is an important steroid hormone for the metabolism of serum calcium and phosphorus and plays a major role in the function of various body systems. Evidence suggests that vitamin D deficiency is associated with iron deficiency anemia. We aimed to compare the serum level of vitamin D between children with iron deficiency anemia and healthy ones. Methods: This case-control study was conducted on 60 patients with iron deficiency anemia and 60 healthy ones who did not suffer from iron deficiency anemia. Patients participated in the study voluntarily. Vitamin D levels were measured using HPLC and ferritin by RIA method. To estimate the predictive value of vitamin D levels in iron deficiency anemia, ROC curve analysis was used. Results: In this study, 120 children aged 6-144 months with mean age of 30.2±31.4 months were analyzed; 49.2% of them were boys and 50.8% were girls. Vitamin D levels varied from 4.8 to 63.2 ng/ml with a mean of 23.87±12.57 ng/ml in all patients (19.25±9.15 ng/ml in the case group and 28.48±13.84 ng/ml in the control group (P<0.001). In other words, patients with a vitamin D level <23.6 ng/ml should be investigated for iron deficiency anemia, and sufficient vitamin D had a protective effect on iron deficiency anemia and each unit increase in vitamin D decreased the chance of iron deficiency anemia by 7.8%. Conclusion: The prevalence of simultaneous iron deficiency anemia and vitamin D deficiency is very high in children and there is a significant relationship between serum levels of 25(OH)D and hemoglobin.
Evaluation of the Clinical Efficiency of an Antisickling Polyherbal Formula Drepanoalpha in a Sickle cell disease Patient in Gbado-Lite City (Democratic Republic of the Congo) by Quantum Magnetic Resonance Analyzer Benjamin Gbolo Zoawe; Koto-te-Nyiwa Ngbolua; Pius T. Mpiana; Ndanga Bikibo Appolinaire; Pangodi Aundagba Jean-Marie; Masengo Ashande Colette; Mudogo Virima
Britain International of Exact Sciences (BIoEx) Journal Vol 1 No 1 (2019): Britain International of Exact Sciences Journal, September
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v1i1.26

Abstract

Sickle cell disease is a genetic disease linked to the presence of hemoglobin S in the blood and is a major public health problem in Africa. The drugs available are expensive in view of the purchasing power of the majority of the population. The aim of this study was to assess the clinical efficacy of an improved traditional medicine called Drepanoalpha (an anti-sickle cell polyherbal formula) in a homozygous sickle patient using the quantum magnetic resonance analyzer. The results show the relevance of the use of this unconventional technical approach in the sickle cell disease patient treatment evaluation. Indeed, this study showed that Drepanoalpha is effective in vivo and restored homeostatic balance by optimizing some vital functions in the treated patient. The quantum magnetic resonance analyzer is therefore an important away which allows understanding the disorders of the body due to sickle cell disease and their correction post-treatment. It is desirable that the use of this device be validated in the evaluation of the effectiveness of anti-sickling drugs in large-scale clinical trials in rural areas like Nord-Ubangi province. Indeed, this instrument is not only fast, practical, economical, accessible, non-invasive but also easy to use and suitable for this category of research in underprivileged areas. The results obtained are in perfect agreement with the facts observed (recovery of some vital parameters and disappearance of seizures in the patient).
Nurse's Perception of Patient Safety Culture in an Effort to Improve Service Quality in the Operating Room of Riau Province Hospital Yulisnawati; Zulfendri; Siti Saidah Nasution
Britain International of Exact Sciences (BIoEx) Journal Vol 2 No 1 (2020): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v2i1.100

Abstract

The aim of the study is to find out Nurse's perception of patient safety culture in an effort to improve service quality. This study uses qualitative research methods with a phenomenological approach. The result of the study is obtained that the informants assume that the socialization carried out by the hospital in the context of increasing knowledge related to patient safety is not effective. Education and training for patient safety is carried out continuously to increase knowledge, improve and maintain staff competence. While the socialization carried out by the hospital did not have much influence to increase the informant's knowledge related to patient safety.
Knowledge, Attitudes, Income and Implementation Regarding the Dengue Fever Prevention Program in Medan, Indonesia Heppy Santhi; Irnawati Marsaulina; Nurmaini
Britain International of Exact Sciences (BIoEx) Journal Vol 2 No 1 (2020): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v2i1.102

Abstract

The best program to control the spread of dengue infection is a dengue prevention program. Indonesia has a dengue prevention program known as 3M Plus. Medan City is one of the endemic areas of dengue fever in Indonesia. This study aims to evaluate the knowledge, attitude and income implementation of the dengue prevention program in Medan. Information on sociodemography, knowledge, attitudes, and implementation of dengue prevention was collected using a semi-structured questionnaire that had been tested previously. This cross-sectional survey was conducted with face-to-face interviews with 100 randomly selected heads of households. Bivariate analysis using chi-square test. The results showed that overall participants had low family income, poor dengue knowledge, moderate attitude and moderate prevention implementation. There was a significant positive relationship between family income and implementation of dengue prevention (p = 0.001), knowledge and implementation of dengue prevention (p = 0.012), and attitudes and implementation of dengue prevention (p <0.001). In conclusion, dengue prevention programs require increased knowledge, attitudes and implementation of dengue prevention. Households with an income below the city minimum wage must be the main target of the dengue prevention campaign. Knowledge-based campaigns and arousing positive attitudes will increase the application of dengue prevention.
Presentation of a Model for a Competency-Based Succession Planning Model with Respect to Adjusting Role of Organizational Culture in Telecommunication Infrastructure Company of Iran (TICIR) Sorush Niknamian
Britain International of Exact Sciences (BIoEx) Journal Vol 2 No 1 (2020): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v2i1.105

Abstract

The current research aims to propose a competency-based succession planning model with respect to adjusting role of organizational culture in Telecommunication Infrastructure Company of Iran (TICIR). This study was conducted as an applied research in terms of objective and it was assumed as a descriptive survey by taking approach toward interpretative structural modeling. The statistical population of this study included two groups of experts and directors (Directors general, chairmen of offices, responsible experts and experts of TICIR Company). Primarily, in order to determine sample size for statistical population, 20 of experts were elected using non-randomized and selective sampling method and 340 members of the second statistical population were chosen by means of classified sampling technique including directors general, deputies of directors general, chairmen of offices, responsible experts and other experts of TICIR Company. The findings about succession planning model indicated that the variable of succession planning reached to a level higher than satisfactory rate therefore all of the related elements were placed higher than satisfactory level. Finally variable of organizational culture, as adjusting variable, was also placed at the level higher than satisfactory rate in this study. Hence, all of these variables reached to the level higher than satisfactory rate.
Relationship between the Cleanliness of Nails and the Usage of Footwear with the Incidence of Helminths Infections on Elementary Student in Sibolga of 2019 Roslina Pane; Nurmaini; Lita Sri Andayani
Britain International of Exact Sciences (BIoEx) Journal Vol 2 No 1 (2020): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v2i1.107

Abstract

Soil – Transmitted Helminths (STH) infection is one of the most common infections in the world, especially for the poor society. Worm infections spread through eggs in human feces that contaminate soils where the level of sanitation is bad. Worm infections are widespread in tropical and subtropical regions, one of which is Indonesia. Around 568 million school-age children have high potential for STH because they live in an areas prone to STH infections (WHO, 2017a). Soil Transmitted Helminths Infection is a health problem with a high prevalence in the tropics and subtropics, especially Indonesia. Children with the primary school age are the group that most often suffer from infection because more daily activities are in contact with the soil and in clean living behavior is still low. The purpose of this study is to find out the relationship between sex and Helminths Infection, nail hygiene and using footwear with the incidence of helminthiasis in students in the city of Sibolga. The results obtained from this study are the number of students infected by helminthiasis by 33.82%, based on male gender as many as 20 students (60.6%) of the 44 students examined and the number of infected women as many as 18 students (39.4 %) of 41 female students examined. The results of the category assessment, for the category of nail hygiene with a good 32.94 percent (28 students) and the category is less good at 67.06 percent (57 people). From the bivariate analysis there was no relationship between sex and helminthiasis. The results of nail hygiene analysis, there is a significant relationship between nail hygiene with helminthiasis infection with a value of p = 0.009 and the value of the prevalence ratio of 2.751. Analysis using footwear, there is a significant relationship between the habit of using footwear with helminthiasis infection with a value of p = 0.004 with a prevalence ratio value of 3.195. From the results of the multiple logistic regression test, the most influential value between nail hygiene and using footwear is using footwear with a p value = 0.009 with a constant value of 3.410.
The Decision of Married Woman to Inspect IVA Test in Deli Serdang, Indonesia Nurbaity; Zulfendri; R. Kintoko Rochadi
Britain International of Exact Sciences (BIoEx) Journal Vol 2 No 1 (2020): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v2i1.108

Abstract

This study aims to find out the decision of married woman to inspect IVA Test in Deli Serdang, Indonesia. This type of research is an analytical survey research with cross sectional approach (Arikunto, 2010), which aims to determine the relationship of power relations with the low coverage of IVA Test coverage. The result shows that the dominance of power in the household, socio-economic that has a relationship with the decision making to conduct an IVA test in Deli Serdang Regency, It can be concluded several things.

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