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Articles 11131 - 11160 of 32427
Full-Text Articles in Entire DC Network
Falling In Love With Chemistry, Jody Record
Impacts Of Antiretroviral Therapy And Food Supplements On Life Outcomes Of Adults Living With Hiv & Aids In Delta State, Nigeria, Patricia K. Omenogor, Nosa L. Orhue, Prisca O. Adejumo
Impacts Of Antiretroviral Therapy And Food Supplements On Life Outcomes Of Adults Living With Hiv & Aids In Delta State, Nigeria, Patricia K. Omenogor, Nosa L. Orhue, Prisca O. Adejumo
General Submissions: Presentations (Oral and Poster)
This study will investigate the roles of ART and food supplements in improving the lives of PLWHA in Delta State, Nigeria.
Pelayanan Consultation Liaison Psychiatry (Clp) Menuju Peningkatan Pelayanan Yang Lebih Holistik Di Rumah Sakit Tingkat Ii Udayana Denpasar, Rinie Indah Chandra Wirasati, Ede Surya Darmawan
Pelayanan Consultation Liaison Psychiatry (Clp) Menuju Peningkatan Pelayanan Yang Lebih Holistik Di Rumah Sakit Tingkat Ii Udayana Denpasar, Rinie Indah Chandra Wirasati, Ede Surya Darmawan
Jurnal ARSI : Administrasi Rumah Sakit Indonesia
In the past, the medical field was still dominated by a medical model approach which was still overshadowed by a physical-psychic dichotomy. The reality shows that there are a lot of 'sick' conditions that are not enough to be overcome only by a medical model approach. Many physical complaints do not show obvious physical abnormalities, as well as many physical diseases whose morbidity and mortality are strongly influenced by mental-emotional conditions. Not to mention the various conditions of chronic illness or disability, which have a mental-emotional / psychosocial impact that greatly reduces the quality of life of the patient in …
A Qualitative Exploration Of Community Ownership Of A Maternity Waiting Home Model In Rural Zambia, Constance P. Fontanet Mph, Rachel M. Fong, Jeanette L. Kaiser, Misheck Bwalya, Thandiwe Ngoma, Taryn Vian, Godfrey Biemba, Nancy A. Scott
A Qualitative Exploration Of Community Ownership Of A Maternity Waiting Home Model In Rural Zambia, Constance P. Fontanet Mph, Rachel M. Fong, Jeanette L. Kaiser, Misheck Bwalya, Thandiwe Ngoma, Taryn Vian, Godfrey Biemba, Nancy A. Scott
Nursing and Health Professions Faculty Research and Publications
Context
Ownership is an important construct of sustainability for community-based health programming, though it is often not clearly defined or measured. We implemented and evaluated a community-driven maternity waiting home (MWH) model in rural Zambia. We engaged stakeholders at all levels and provided intensive mentorship to an MWH governance committee comprised of community-selected members. We then examined how different stakeholders perceive community ownership of the MWH.
Methods
We conducted 42 focus group discussions with community stakeholders (pregnant women, fathers, elders, and community health volunteers) and 161 in-depth interviews with MWH stakeholders (health facility staff, district health officials, and MWH governance …
Cephalometric Norms Of Erbil Kurdish Adults, Bootan A. Mustafa, Bayan A. Hassan
Cephalometric Norms Of Erbil Kurdish Adults, Bootan A. Mustafa, Bayan A. Hassan
Polytechnic Journal
Ethical group might have differential skeletal forms, thus cephalometric analysis and orthodontic material have been developed for specific ethnic groups which might be different for Kurdish Ethics.Objectives: This study is to determine the cephalometric norms of an Erbil Kurdish population according to Steiner analysis, who attend to Tishk Hospital/Diagnosis Department Materials and Methods: In this cross-sectional study, 48 lateral cephalograms of adult orthodontic subjects between 20 and 29 years with normal occlusion, and with no previous orthodontic treatment were evaluated. Lateral cephalograms were traced and analyzed based on Steiner’s cephalometric parameters. Data were analyzed using SPSS. Differences between Erbil Kurdish …
Analisis Kebutuhan Untuk Pengembangan Bahan Ajar Fisiologi Hewan Dan Manusia Pada Jurusan Biologi, Arwinda Probowati, Abdul Gofur, Betty Lukiati
Analisis Kebutuhan Untuk Pengembangan Bahan Ajar Fisiologi Hewan Dan Manusia Pada Jurusan Biologi, Arwinda Probowati, Abdul Gofur, Betty Lukiati
Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan
This research aims to determine the feasibility of interactive multimedia-based teaching materials for elementary school students on traditional game materials. This research is a research development of traditional game teaching materials for small grade elementary school students. The product development then goes through a validation test by game experts, physical & health education learning experts, multimedia experts and user experts. The results of the feasibility test are then analyzed descriptively. The results of this research product development in the form of interactive multimedia-based traditional game teaching materials, the percentage of product viability ranges from 75% to 100%. These results indicate …
Construction Of Giant 2d And 3d Metallo-Supramolecules Based On Pyrylium Salts Chemistry, Yiming Li
Construction Of Giant 2d And 3d Metallo-Supramolecules Based On Pyrylium Salts Chemistry, Yiming Li
USF Tampa Graduate Theses and Dissertations
Pyrylium salts are a type of six-membered cationic heterocycles with one positively charged oxygen atom. Since the discovery of pyrylium salts in 1911, such salts have been underappreciated for a long time. Until 1960s, the importance of pyrylium salts has been realized as versatile precursors in a variety of organic syntheses. Due to their high reactivity towards various nucleophiles, pyrylium salts were widely used for the convenient synthesis of diverse heterocyclic compounds. Starting from 1980s, the high reactive feature of pyrylium salts were further utilized to synthesize viologen polymers with pyridinium salts in the backbones. During the past two decades, …
The Role Of Antiapoptotic Erythropoietin On Ultraviolet B-Induced Photodamaged Skin Through Inhibition Of Sunburn Cells, Handi Suyono, Kristian Sanjaya, Deby Susanti
The Role Of Antiapoptotic Erythropoietin On Ultraviolet B-Induced Photodamaged Skin Through Inhibition Of Sunburn Cells, Handi Suyono, Kristian Sanjaya, Deby Susanti
Folia Medica Indonesiana
Ultraviolet light causes photodamaged skin leading to photoaging skin. Ultraviolet-B (UV-B) causes epidermal keratinocyte apoptosis, namely sunburn cell, through apoptotic intrinsic pathway. Erythropoietin (EPO) has a role in cytoprotection in various tissues but its role to epidermal skin is not clear yet. This study was designed pretest-posttest control group design. Thirty two male mice Mus musculus, strain Balbc, were divided into control and treatment group, 16 mice each group. All mice were exposured by UV-B light 16mJ/cm2, distance 30 cm, duration 90 seconds, for 3 consecutive days. Four mice each group were randomly sacrificed as pretest data. The control mice …
Hubungan Smoking Media Literacy Dengan Status Merokok Siswa Menengah Atas, Danang Wahansa Sugiarto, Dian Ayubi, Evi Martha
Hubungan Smoking Media Literacy Dengan Status Merokok Siswa Menengah Atas, Danang Wahansa Sugiarto, Dian Ayubi, Evi Martha
Perilaku dan Promosi Kesehatan: Indonesian Journal of Health Promotion and Behavior
Background. Media exposure is a very influential factor in the initiation of adolescents to smoke. Therefore, media literacy (smoking media literacy [SML]) was developed as a school-based tobacco control strategy. Objective. The purpose of this research was to examine the relation of SML with the smoking status of high school students in Purwakarta Regency Method. This research used quantitative research with a cross-sectional design conducted in April-May 2018 in Purwakarta Regency. Data were collected by self-administered questionnaires from 310 students of public senior high school. Data were analyzed using logistic regression test. Statistical adjustments were made for gender, parental education, …
Effect Of Varying Feeding Windows On An Acute Response To Exercise Following Chronic Exercise And Time-Restricted Feeding, Aaron Michael Persinger
Effect Of Varying Feeding Windows On An Acute Response To Exercise Following Chronic Exercise And Time-Restricted Feeding, Aaron Michael Persinger
Electronic Theses and Dissertations Archive
Time-restricted feeding (TRF) involves splitting the day into two windows, a feeding window and a fasting window. TRF positively affects mitochondria and metabolic health. Aerobic exercise is shwon to have the same effect. However, the combination of the two in healthy subjects is not as extensively studied. The purpose of this study was to examine how changing the window of feeding in relation to exercise changes performance and mitochondrial biogenesis. Healthy, young mice were divided into 3 groups: an ad libitum control group (CON), a 16-hour fast with an 8-hour feed immediately post exercise (IM), and a 16-hour fast with …
Acute Toxicity, Antidiarrhoeal And Antioxidant Activities Of Methanolic Leaf Extract Of Baphia Macrocalyx In Mice, Regina Malekela, Jacob Mwakalinga, Rosta Antony, Flora Stephano
Acute Toxicity, Antidiarrhoeal And Antioxidant Activities Of Methanolic Leaf Extract Of Baphia Macrocalyx In Mice, Regina Malekela, Jacob Mwakalinga, Rosta Antony, Flora Stephano
Tanzania Journal of Science
The aim of the current study was to assess the acute toxicity, antidiarrhoeal and antioxidant potentials of methanolic leaf extract of Baphia macrocalyx (BM) in mice. Acute toxicity test of BM extract was performed based on OECD guideline 423. Results revealed that the extract did not produce any changes in general behaviour, body weight or mortality of the tested mice even at the highest oral administered dose (2000 mg/kg body weight). The antidiarrhoeal effect was examined using castor oil induced diarrhoea test. Results showed that BM extract delayed the onset of diarrhoea, decreased frequency of defaecation and reduced the severity …
Assessment Of Biochemical Changes During Fermentation Process For Production Of Traditional Fermented Cassava Meal “Mchuchume”, Severino Alphonce, Lilian Kaale
Assessment Of Biochemical Changes During Fermentation Process For Production Of Traditional Fermented Cassava Meal “Mchuchume”, Severino Alphonce, Lilian Kaale
Tanzania Journal of Science
“Mchuchume” is a ready to eat fermented cassava food whose production is accomplished by a consortium of microorganisms, some of which may be probiotic in nature and others pathogens to humans and of no use in the fermenting system. This work made characterization of biochemical changes evolved at different times in local (open) and biotechnological (closed) fermentation methods. The study also assessed organoleptic properties of final products. Acidification was observed in the retting water as pH ranged from 6.32 to 4.25 and titratable acidity from 0.02% to 0.32%. A decrease in total reducing sugars (6.59 to 4.03 mg/g) in fermenting …
Analyses Of Land Cover Changes From 1981 To 2016 In Pande Game Reserve, Tanzania, Cosmas Mligo
Analyses Of Land Cover Changes From 1981 To 2016 In Pande Game Reserve, Tanzania, Cosmas Mligo
Tanzania Journal of Science
Pande Game Reserve is among the protected areas in the coast of Tanzania. The reserve is heavily degraded because of illegal anthropogenic disturbances. The patterns of land cover changes which occurred in the reserve between 1981 and 2016 were determined using GIS and remote sensing techniques. Five land cover types, namely woodland, bushland, grassland, natural forest and bare soils were detected. The base map of 1981 indicated natural forest covering 965 ha (63.2%) followed by bushland with an area of 462ha (30%), grassland covering 7% (100 ha) where the woodland and bare soils did not exist in the reserve. The …
Stabilizing Capability Of Gum Arabic On The Synthesis Of Poly(Styrene-Methylmethacrylate-Acrylic Acid) Latex For The Generation Of Colloidal Crystal Films, Ikhazuagbe Ifijen, Stanley Omorogbe, Muniratu Maliki, Ifeanyi Odiachi, Aireguamen Aigbodion, Esther Ikhuoria
Stabilizing Capability Of Gum Arabic On The Synthesis Of Poly(Styrene-Methylmethacrylate-Acrylic Acid) Latex For The Generation Of Colloidal Crystal Films, Ikhazuagbe Ifijen, Stanley Omorogbe, Muniratu Maliki, Ifeanyi Odiachi, Aireguamen Aigbodion, Esther Ikhuoria
Tanzania Journal of Science
This article describes the generation and characterization of colloidal crystals from particles of gum arabic (GA) and sodium dodecylbenzene sulfate (SDBS) emulsified poly(styrene methylmethacrylate-acrylic acid) (P(St-MMA-AA) latex. The colloidal latex was synthesized using GA and SDBS as the emulsifying agents and then used to generate colloidal crystal films via the vertical deposition technique. Dynamic light scattering analysis placed the average particle diameter, polydispersity and Zeta potential at about 122 nm, 0.014 and –36.20 mV for the as-synthesized GA emulsified terpolymer latex and 213 nm, 0.006, –35.60 mV for the SDBS emulsified terpolymer latex, respectively. Thermo-gravimetric analysis and differential scanning calorimetry …
Device–To-Device Association Algorithm For Optimal Neighbour Selection And Channel Sharing In 5g Cellular Networks, Chiza Christophe, Omar Hamad, Libe Massawe, Abdi Abdalla
Device–To-Device Association Algorithm For Optimal Neighbour Selection And Channel Sharing In 5g Cellular Networks, Chiza Christophe, Omar Hamad, Libe Massawe, Abdi Abdalla
Tanzania Journal of Science
The integration of device-to-device (D2D) communication in 5G cellular networks has generated the possibility of multiple transmission modes in a single cell. This has motivated scholars to investigate different mode selection and D2D association algorithms that guarantee the selection of proper transmission mode. However, the complexity of algorithms and tractability of devices in the cell are still remarkably challenging. This paper, therefore, presents a utility based D2D association algorithm that ensures optimal neighbour selection by using numerical linear algebra to minimize computational complexity. Simulation results show that the minimum utility based D2D association increases the expected values of attached devices …
The Effects Of Milk Components On Lactoperoxidase Activity, Leonard Fweja, Michael Lewis, Alistair Grandison
The Effects Of Milk Components On Lactoperoxidase Activity, Leonard Fweja, Michael Lewis, Alistair Grandison
Tanzania Journal of Science
This study examined the effects of storage conditions (in particular temperature and media composition) and changes in composition of each milk fraction, and of individual components on lactoperoxidase (LP) activity. The enzyme demonstrated a pulsing characteristic especially in samples stored at 5 °C, however, temperature and media composition did not have great effects on the pulsing behaviour of the enzyme. The results also indicated small but statistically significant variations (P ≤ 0.05) in LP activity between whole milk (control) and acid whey, rennet whey and cream and non-significant variations (P > 0.05) between the control and skimmed milk, and between skimmed …
Current Epidemiological Assessment Of Plasmodium Falciparum And Helminth Co-Infections In Children After A Decade Of Implementation Of Control Programs In Morogoro Region, Tanzania, Christopher Kisiringyo, Winifrida Kidima
Current Epidemiological Assessment Of Plasmodium Falciparum And Helminth Co-Infections In Children After A Decade Of Implementation Of Control Programs In Morogoro Region, Tanzania, Christopher Kisiringyo, Winifrida Kidima
Tanzania Journal of Science
A school based cross-sectional study was conducted from July to November 2018 to assess the burden of asymptomatic Plasmodium falciparum, Schistosoma and soil transmitted helminth (STH) infections in Mvomero. A total of 374 children (age range = 5–16 years, mean age = 11.3 years) were recruited from five primary schools. Prevalence of asymptomatic P. falciparum infections were 29.9%, S. haematobium 49.7%, hookworm 20.3%, Ascaris lumbricoides 12.6%, Taenia saginata 0.5% and S. mansoni 0.3%. Malaria parasite density increased with increasing children age (r = 0.99). Only 6.5% (12/186) of S. haematobium infected children were presented with heavy infections, whereas all STH-positive …
Soil-Plant Nutrient Cycling In Old Cocoa Farms In A Part Of South Western Nigerian Forest Belt, Olusola Afolayan
Soil-Plant Nutrient Cycling In Old Cocoa Farms In A Part Of South Western Nigerian Forest Belt, Olusola Afolayan
Tanzania Journal of Science
Apart from pests and diseases, a vital issue in the early mature of cocoa crop in Nigeria is soil nutrient degradation in relation to the ageing of the farms and annual mining of nutrients via yield harvests. Indigenous production of cocoa in southwest Nigeria has been on without fertilizer applications. This is the basis for the reduction average lifespan and productive years of the plantation. The aim of this study was to quantify the rates of soil nutrient losses via cycling channels in old cocoa farm using cocoa beans, leaves, litters, and pod husks in south western Nigeria forest belt. …
Latent Securitisation Of Illegal, Unreported And Unregulated (Iuu) Fishing In Indonesia, Rage Taufika
Latent Securitisation Of Illegal, Unreported And Unregulated (Iuu) Fishing In Indonesia, Rage Taufika
Global: Jurnal Politik Internasional
This paper aims to explore and explain to what extent and in what ways the Indonesian Government has securitised the Illegal, Unreported and Unregulated (IUU) fishing in Indonesia since 2009, by utilising critical discourse analysis. Using the Securitisation theory from the Copenhagen School, this paper explains the analysis of the speech act and extraordinary measures from SBY’s administration, Jokowi’s first term and second term administration. While IUU fishing has been a severe global issue, 30 percent of the cases take place in Indonesia and it becomes a serious threat for the economy and maritime resources. In 2009, Indonesia amended the …
Caregiver’S Perceptions Of Nutritional Status In Children Aged Under Five Years In Nakhon Phanom Province Of Thailand, Darunee Ditsungnoen, Praphaphan Un-Ob, Teeradej Chai –Aroon, Prabda Praphasiri
Caregiver’S Perceptions Of Nutritional Status In Children Aged Under Five Years In Nakhon Phanom Province Of Thailand, Darunee Ditsungnoen, Praphaphan Un-Ob, Teeradej Chai –Aroon, Prabda Praphasiri
Asia-Pacific Social Science Review
This study was conducted to understand the caregivers’ perceptions of nutritional status among children aged under five years in Nakhon Phanom province of Thailand. Qualitative research methods, such as participant observation, focus group discussion, and in-depth interviews, were used to collect data between February and July 2017. One rural sub- district with a high prevalence of child malnutrition was purposively selected, and a total of 36 caregivers were recruited. Triangulation and reflexivity were applied to reduce bias during data collection and analysis. The study findings indicated that caregivers perceived that good nutritional status in children equated to living and eating …
Efektivitas Model Pembelajaran Guided-Inquiry Terhadap Kemampuan Berpikir Kritis Dan Pemecahan Masalah, Reginaldis Isabella Sado, Daud Dakabesi, Tien Aminatun
Efektivitas Model Pembelajaran Guided-Inquiry Terhadap Kemampuan Berpikir Kritis Dan Pemecahan Masalah, Reginaldis Isabella Sado, Daud Dakabesi, Tien Aminatun
Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan
The purpose of this study was to determine the effectiveness of guided-inquiry model on critical thinking skills and problem solving about material changes in the environment. This research was done by using quasi-experiment with post-test only design. Besides, this research used four research classes that are the experiment two class which is given the treatment of guided-inquiry model and control two class which is given the treatment of conventional model. The population used in this study was tenth grade students of science major at SMAN 2 Ngaglik, that is chosen randomly. Data collection techniques used are test and observation. The …
The Impact Of Probiotics In Respiratory Diseases, Rafee H. Askandar, Nasim Ebrahimi
The Impact Of Probiotics In Respiratory Diseases, Rafee H. Askandar, Nasim Ebrahimi
Polytechnic Journal
Probiotics are viable microorganisms that, if adequately administered, confer great benefits to the host for the prevention or treatment of a wide range of human diseases, including recurrent respiratory tract infection (RRTI), cystic fibrosis, allergies, and chronic obstructive pulmonary disease (COPD). One of the current problems is that the overuse of antibiotics during respiratory tract infection has led to increased resistance to them, which has been demonstrated in numerous examinations that specific lactic acid bacteria (LAB), one of the key probiotics, against bacterial and viral infections of the respiratory and gastrointestinal tract, have a protective effect. On the other hand, …
Effects Of 15 Local Medicinal Plant Species On Protein Tyrosine Phosphatase 1b And Dipeptidyl Peptidase 1v Activity As Herbal Antidiabetic Type 2 Remedies, Pamhidzai Dzomba, Chidavayenzi Tinevimbo
Effects Of 15 Local Medicinal Plant Species On Protein Tyrosine Phosphatase 1b And Dipeptidyl Peptidase 1v Activity As Herbal Antidiabetic Type 2 Remedies, Pamhidzai Dzomba, Chidavayenzi Tinevimbo
Tanzania Journal of Science
This study aimed at investigating plant species that are used locally in Zimbabwe to manage diabetes type 2 and their respective modes of action using in vitro studies. The plants for this study were identified by ethnobotanical studies and their respective antidiabetic potentials were evaluated using protein tyrosine phosphatase 1B (PTP 1B) and dipeptidyl peptidase IV (DPP IV) inhibition assays. Out of the 15 plant species used to manage diabetes in traditional practices, 9 inhibited PTP 1B with half maximal inhibitory concentrations (IC50) ranging from 0.03 ± 0.00 to 61.31 ± 0.70 µg/mL. The mechanism of inhibition deduced from Lineweaver-Burk …
A Nexus Between Carbon Emissions And Land Surface Temperature In The Six Ecological Zones Of Nigeria, Folasade Oderinde
A Nexus Between Carbon Emissions And Land Surface Temperature In The Six Ecological Zones Of Nigeria, Folasade Oderinde
Tanzania Journal of Science
The increase in the emission of carbon dioxide (CO2) in the atmosphere has been identified as a driving cause of global climate change which is a threat to the normal functioning of human and natural systems. Therefore, this study investigated the relationship between the emissions of CO2 and land surface temperature (LST) in the six ecological zones of Nigeria. High resolution satellite imageries of land surface temperature and carbon were downloaded from the website of the National Aeronautics and Space Administration (NASA) between January 2002 and December 2012 and were utilized for the study. The data were processed using Arc …
Occurrence Of Aflatoxins In Maize And Maize Products From Selected Locations Of Tanzania And The Effects Of Cooking Preparation Processes On Toxin Levels, Macarius Mtega, Clarence Mgina, Eliangiringa Kaale, Kessy Kilulya
Occurrence Of Aflatoxins In Maize And Maize Products From Selected Locations Of Tanzania And The Effects Of Cooking Preparation Processes On Toxin Levels, Macarius Mtega, Clarence Mgina, Eliangiringa Kaale, Kessy Kilulya
Tanzania Journal of Science
The production and storage of food crops in different countries is affected by aflatoxins contamination, which are known to be carcinogenic and mutagenic to human beings and domestic animals. This study investigated on the occurrence of aflatoxins in maize products and the effects of cooking preparation processes on their concentrations. The maize samples were collected from fields, farmers' stores and markets of selected locations in Tanzania (i.e., Kongwa and Njombe districts). Extracted samples were analyzed for aflatoxins using high performance liquid chromatography. The concentrations of aflatoxins in maize and maize products ranged from below detection limit to 9.99 ± 1.43 …
Extraction, Derivatization, Characterization And Antifungal Investigation Of Limonene From Citrus Sinensis Peels, Ita Uwidia, Bodunde Owolabi, Richard Okafor
Extraction, Derivatization, Characterization And Antifungal Investigation Of Limonene From Citrus Sinensis Peels, Ita Uwidia, Bodunde Owolabi, Richard Okafor
Tanzania Journal of Science
Limonene, a cyclic monoterpene is the main component in citrus oils. Oranges (Citrus sinensis) were sourced from a local market, peeled and the peels collected for this study. The orange peels were distilled using steam distillation to obtain the oil. The oil obtained was then distilled to obtain a pure colourless form of limonene (95%). The limonene (2 ml) was dissolved in dry chloroform (25 ml) and freshly distilled hydroiodic acid (57%; boiling point 127 °C) to give the derivative iodo-limonene (1.4 g; 30% yield). Another reaction of epoxidation of limonene was carried out by reacting limonene with hydrogen peroxide …
Comparison Of Prescribed From Delivered Dose To Cancer Of Cervix Patients Treated By Theratron Equinox 80 Cm Source-To-Axis Distance (Sad) Technique At Ocean Road Cancer Institute In Tanzania, Khamis Amour, Khamza Maunda, Najat K. Mohammed, Peane Maleka, Peter Msaki
Comparison Of Prescribed From Delivered Dose To Cancer Of Cervix Patients Treated By Theratron Equinox 80 Cm Source-To-Axis Distance (Sad) Technique At Ocean Road Cancer Institute In Tanzania, Khamis Amour, Khamza Maunda, Najat K. Mohammed, Peane Maleka, Peter Msaki
Tanzania Journal of Science
Abstract The aim of the present study was to investigate deviations between prescribed from delivered dose for cervical cancer patients treated at Ocean Road Cancer Institute using Equinox 80 Tele-cobalt machine. In this work, anterior-posterior (AP) and posterior-anterior (PA) fields using Source-to-Axis Distance (SAD) technique was used. Measurements of entrance doses were taken using calibrated diode detector in three groups of patients. In group 1, only 15 patients out of 31 curative intent patients received doses lower than ± 5% of 2 Gy as compared to the prescribed dose. In group 2, 1 measurement was done for 9 patients who …
Assessment Of The Geochemical Characteristics Of Water And Surface Sediments Of Rufiji Mangrove Forest, Tanzania, Dativa Shilla, Daniel Shilla
Assessment Of The Geochemical Characteristics Of Water And Surface Sediments Of Rufiji Mangrove Forest, Tanzania, Dativa Shilla, Daniel Shilla
Tanzania Journal of Science
This study was carried out to investigate the geochemical characteristics of the Rufiji mangrove systems using mineralogy and heavy metal analyses. Rufiji mangrove sediments showed predominance of fine grain size fractions with silt as the major component. Stoichiometric ratios of nutrients revealed phosphorus enrichment in Rufiji sediment. The overall order of heavy metal concentrations in sediments was: Fe > Mg > Mn > Zn > Cr > Ni > Pb > Cu > Co > Cd. There was no relationship between grain size and some of the heavy metal concentrations, except for Co, Cr, Fe, and Mg which negatively correlated with sand, and positively correlated with silt. The findings …
Comparative In Vitro Antioxidant Activities Of Aqueous Extracts Of Garcinia Kola And Buchholzia Coriacea Seeds, Abdulkadir Abubakar, Moshood Olorunkemi, Musa Busari, Rabiat Hamzah, Tawakaltu Abdulrasheed-Adeleke
Comparative In Vitro Antioxidant Activities Of Aqueous Extracts Of Garcinia Kola And Buchholzia Coriacea Seeds, Abdulkadir Abubakar, Moshood Olorunkemi, Musa Busari, Rabiat Hamzah, Tawakaltu Abdulrasheed-Adeleke
Tanzania Journal of Science
Comparative in vitro antioxidant activities of aqueous extracts of Garcinia kola and Buchholzia coriacea seeds were carried out using 2, 2-diphenyl 1-picrylhydrazyl (DPPH) free radical scavenging activities, ferric reducing antioxidant power (FRAP) and inhibition of lipid peroxidation assays. Total phenolics, alkaloids, tannins, saponins and flavonoids constituents of the samples were also determined. G. kola seeds contained higher concentrations of secondary metabolites compared to B. coriacea seeds except flavonoids. Both G. kola and B. coriacea exhibited minimum percentage inhibition when compared with the gallic acid. However, B. coriacea exhibited significantly (p < 0.05) higher percentage DPPH scarvenging activities (44.66%) when compared with G. kola (43.62%) at maximum concentration of 100 µg/mL. G. kola on the other hand, showed higher percentage inhibition of lipid peroxidation when compared with B. coriacea at all tested concentrations. Percentage FRAP by B. coriacea was significantly (p < 0.05) higher than G. kola at 100 µg/mL (46.65%, and 38.35%, respectively) and 50 µg/mL (38.75%, and 46.05%, respectively), while lower percentage FRAP of the G. kola than B. coriacea were recorded at 25 µg/mL (24.26% and 38.24%, respectively) and 12.5 µg/mL (34.41% and 37.41%, respectively). Therefore, Garcinia kola and B. coriacea showed appreciable antioxidant activities at varying concentrations and this may be due to the presence of various phenolic compounds in both samples Keywords: Buchholzia coriacea; Garcinia kola; Antioxidant; DPPH free radicals; Secondary metabolites.
Variability Of Selected Mineral Contents In Marine Fish From Local Markets In Tanzania, Stella Shija, Matobola Mihale, Daniel Shilla
Variability Of Selected Mineral Contents In Marine Fish From Local Markets In Tanzania, Stella Shija, Matobola Mihale, Daniel Shilla
Tanzania Journal of Science
Mineral contents (K, Na, Ca and Mg) in selected marine fish species (Alectis ciliaris, Lethrinus harak, Rastrelliger kanagurta and Siganus canaliculatus) from local fish markets were analysed in wet and dry seasons. The processing methods (frying and boiling) were also assessed for their influence on the mineral contents. Samples were randomly collected from Tanga, Bagamoyo, Dar es Salaam and Mtwara seaports, analysed using established methods and determined by Graphite Furnace Atomic Absorption Spectrometry. Mean mineral contents in individual and all analysed fish species were high during dry season compared to wet season except Ca and the difference was statistically significant …