Chosen Trauma, Emotions and Memory in Movements: The Ogoni and Ijaw in the Niger Delta

This paper presents a critical analysis of ‘Chosen Trauma’ theory and its applicability to social movement responses to oil resource extractive activities in Nigeria. Volkan’s (1985, 1997, 2005) formulations on ‘collective calamity of groups’ ancestors, defined in terms of shared pains suffered at the hands of an enemy is explored using the case of Ogoni and Ijaw movement activities against the Federal Government and oil companies operating in the Niger Delta. The framing of traumas focuses on the role played by leaders of both groups in their protests against calamitous environmental problems resulting from the activities of oil companies in the region. For the Ogoni, the memory of trauma is adaptive to non-violence while, for the Ijaw it is a fluid construction between non-violence and violence. Volkan’s theory is analytically helpful, but at the same time demands refinement to better explain the nuances in these cases

Knowledge, practice and factors associated with poor compliance with universal precautions among healthcare workers at Bugando Medical Centre, Mwanza, Tanzania

Background: Healthcare workers (HCWs) are exposed to blood-borne infections by pathogens, such as HIV, and Hepatitis B and C viruses, as they perform their clinical activities in hospitals. Compliance with universal precautions has been shown to reduce the risk of exposure to these pathogens. This aimed at assessing the knowledge, practices and factors associated with poor compliance to universal precautions among HCWs at Bugando Medical Centre in Mwanza, Tanzania.Methods: This was a cross sectional study carried out from December 2014 to February 2015.Results: There were 200 participants including 62 (31.0%) doctors, 74 (37.0%) nurses, laboratory personnel 34 (17.0%) and 29 (14.5%) auxiliary HCWs. More than three quarters (82%) of participants had adequate knowledge of uni­versal precautions. There was statistically significant difference between knowledge of universal precautions and sex, job category, working experience (≥ 5 years) and previous training on universal precautions. Out of 200 HCWs, 154 (77.0%) practiced universal precautions. Working experience (≥ 5 years) and previous training on universal precautions were significantly associated with good practice of universal precautions (P < 0.001). There was a strong correlation between knowledge and compliance (practice) with universal precautions (r=0.76, p<0.001). Factors associated with poor compliance with universal precautions included lack of personal protection equipment (69.5%), lack of knowledge (65.0%), emergency situations (63.0%), presumption that patient is not infected with HIV or HBV (59.0%), time constraints (53.0%), heavy workload (48.0%) and absence of penalties (34.0%).Conclusion: There was adequate knowledge and a fair level of compliance among HCWs towards universal precautions. These findings sug­gest that training of health care workers to increase their knowledge about blood-borne pathogens and universal precau­tions could improve their compliance and thus reduce health care workers’ risk of blood-borne patho­gen exposure

Experiences With Surgical Treatment of Chronic Lower Limb Ulcers at a Tertiary Hospital in Northwestern Tanzania: A Prospective Review of 300 Cases.

Chronic lower limb ulcers constitute a major public health problem of great important all over the world and contribute significantly to high morbidity and long-term disabilities. There is paucity of information regarding chronic lower limb ulcers in our setting; therefore it was necessary to conduct this study to establish the patterns and outcome of chronic lower limb ulcers and to identify predictors of outcome in our local setting. This was a descriptive prospective study of patients with chronic lower limb ulcers conducted at Bugando Medical Centre between November 2010 and April 2012. Ethical approval to conduct the study was sought from relevant authorities. Statistical data analysis was done using SPSS version 17.0 and STATA version 11.0. A total of 300 patients were studied. Their ages ranged from 3 months to 85 years (median 32 years). The male to female ratio was 2:1. The median duration of illness was 44 days. Traumatic ulcer was the most frequent type of ulcer accounting for 60.3% of patients. The median duration of illness was 44 days. The leg was commonly affected in 33.7% of cases and the right side (48.7%) was frequently involved. Out of 300 patients, 212 (70.7%) had positive aerobic bacterial growth within 48 hours of incubation. Pseudomonas aeruginosa (25.5%) was the most frequent gram negative bacteria isolated, whereas gram positive bacteria commonly isolated was Staphylococcus aureus (13.7%). Twenty (6.7%) patients were HIV positive with a median CD4+ count of 350 cells/μl. Mycological investigation was not performed. Bony involvement was radiologically reported in 83.0% of cases. Histopathological examination performed in 56 patients revealed malignancy in 20 (35.7%) patients, of which malignant melanoma (45.0%) was the most common histopathological type. The vast majority of patients, 270 (90.0%) were treated surgically, and surgical debridement was the most common surgical procedure performed in 24.1% of cases. Limb amputation rate was 8.7%. Postoperative complication rate was 58.3% of which surgical site infection (77.5%) was the most common post-operative complications. The median length of hospital stay was 23 days. Mortality rate was 4.3%. Out of the two hundred and eighty-seven (95.7%) survivors, 253 (91.6%) were treated successfully and discharged well (healed). After discharge, only 35.5% of cases were available for follow up at the end of study period. Chronic lower limb ulcers remain a major public health problem in this part of Tanzania. The majority of patients in our environment present late when the disease is already in advanced stages. Early recognition and aggressive treatment of the acute phase of chronic lower limb ulcers at the peripheral hospitals and close follow-up are urgently needed to improve outcomes of these patients in our environment

ANALISIS FAKTOR-FAKTOR YANG MEMPENGARUHI KETERSEDIAAN PANGAN RUMAH TANGGA PETANI DI DESA WEHALI DAN DESA KLETEK KECAMATAN MALAKA TENGAH, KABUPATEN MALAKA

This research aimed to determine the availability of food in agricultural households and the duration of food consumption in households based on the potential availability of food and the factors which affect the availability of food in agricultural households in the Malaka District. The data used in this research were secondary and primary data obtained from interviews based on questionnaires. The samples were determined step by step (multi-stage random sample), whereby determined the district area randomly, so that the Central Malaka district was selected among the 12 existing districts. Next was the determination of the sample villages, namely the Wehali village and the Kletek village, and the last one was the determination of the sample farm households (respondents) using the Slovenian formula, so that a total of 84 respondents were obtained. The analysis to determine the availability of food in the households of the farmers was carried out by adding the production, support and then reducing the sales, consumption, seeds and retail, which were previously converted to Kcal. Then, the duration of consumption was determined by dividing the total calories (calorie requirements per capita) by the number of household members. In addition to analyzing the factors that affect food availability in agricultural households, using the regression analysis. The results of the analysis showed that the total food availability of farm households in Wehali Village in terms of production, purchases and donations was 135441095,2Kcal, while the Kletek Village was 272385073,3 Kcal. The total duration of food consumption for each village was 444 days for the village of Wehali and 525 days for the village of Kletek. Based on the regression results, it was also known that the factorsn affecting the availability of food in agricultural households in both villages were land area and income, both of which had a positive impact, while age, number of dependent people and mother's education did not have an impact on the availability of food in agricultural households

Experimental investigation of retrofitting techniques for steel bridge girders subject to fatigue failure

Fatigue failure is major concern for infrastructure due to the increasing number of steel structures reaching the end of their design life each year. Increased loadings, deterioration due to weathering, climate change and human error also negatively impact the design life. Rehabilitating steel bridge girders rather than replacing the existing structure can provide an option for an economical and sustainable future. This paper presents the results of an experimental study which implements a simple retrofitting technique to combat fatigue failure. The retrofitting technique is applied to girders which have incurred fatigue cracking within the bottom flange. Experimental tests are performed on a riveted tapered 120-year-old girder and a new prefabricated hot rolled girder. The results from the experimental tests showed that fatigue cracking within the bottom flange of girders can be easily rehabilitated to increase the girder’s capacity to that of their original design. By utilising this simple designed retrofitting technique, existing structures do not need to be replaced. The technique shown herein is a viable method for increasing the service life of steel girders providing for a sustainable future

Examining Social, Cognitive and Teaching Presences in an Online Teacher Development Course Using WhatsApp and Community of Inquiry

Over the last decade, advancements in digital technologies have raised the interest of educators in all areas. Mobile learning, specifically, has drawn great attention for its potential to promote opportunities for mediating peer interactions. Drawing on the Community of Inquiry framework Garrison, Anderson and Archer’s (2000), this paper reports a quantitative analysis of the 1,670 interactions among 38 [elementary/high school teachers of Portuguese from around Brazil who participated in a 7-week continuing education course via WhatsApp. The findings show a high level of social presence at moments that the construction of collective knowledge takes place during the course

Capacitação em agroecologia na comunidade quilombola do Varzeão, Dr. Ulysses, Vale do Ribeira, PR.

O projeto "Assistência Técnica e Extensão Rural - ATER - e Capacitação em Agroecologia na Comunidade Quilombola do Varzeão, Dr. Ulysses, Vale do Ribeira" atua desde 2007 e procura, através da Agroecologia e dos seus princípios, contribuir com a organização das comunidades, estimulando o redesenho dos agroecossistemas. Os Quilombolas têm uma produção moldada através de métodos tradicionais e estão próximos dos princípios da Agroecologia. A comunidade remanescente de Quilombo do Varzeão se localiza em Dr. Ulysses e conta hoje com 19 famílias com um total de 56 pessoas com diversos problemas no que tange à sua situação social. O projeto surgiu por meio de contatos com as diversas organizações que atuam no Vale do Ribeira, isso desembocou em uma aproximação com a comunidade do Varzeão. Dessa forma, discutiu-se com a comunidade as demandas para um projeto de extensão, o que culminou na aprovação do projeto junto a Secretaria de Ciência e Tecnologia do Ensino Superior (SETI) - Universidade Sem Fronteiras e a Universidade Federal do Paraná (UFPR).Disponível também em: Cadernos de Agroecologia, V. 5, n.1, 2010

Blood transfusion practice in surgery at Bugando Medical Centre in northwestern Tanzania

 Background: Preoperative over-ordering of blood for surgical intervention, in excess of the actual and anticipated needs is a common practice in many developing countries. This can be decreased by simple means of changing the blood cross matching and ordering schedule depending upon the type of surgery performed. The aim of this study was to assess the blood transfusion practice in surgery at Bugando Medical Centre in northwestern Tanzania.Methods and Patients: This was a prospective cross sectional study among patients undergoing major operations at Bugando Medical Centre. We evaluated blood ordering and transfusion practices in emergency and elective surgical procedures at our centre and calculated different indices such as cross-match to transfusion ratio (C/T ratio), transfusion probability (% T) and transfusion index (TI). Next Maximal Surgical Blood Ordering System (MSBOS) was estimated for each procedure.Results: The overall blood utilization was only 28.2% at our centre, consisting of 17.1% in the elective operations and 26.9% in the emergency operations. Significant blood utilization was nil in most of the routine elective cases suggesting cross-matching of blood to be a culture than necessity. Generally, the overall blood transfusion of the requested blood as indicated by indices of C/T ratio, %T, TI and MSBOS were 3.5, 28.7%, 0.33 and 0.45, respectively. The overall CT ratio, %T, Ti and MSBOS in the elective operations were 5.8, 15.9%, 0.2 and 0.3, respectively. In the emergency operations, the overall CT ratio, %T, Ti and MSBOS were 3.7, 22%, 0.32 and 0.48, respectively.Conclusion: This study demonstrated that over-ordering of blood in excess of the actual needs is a common practice in our setting.  Blood ordering pattern needs to be revised and over-ordering of blood should be minimized. This can be possible by the estimation of MSBOS for each procedure and requisition as calculated

A Comprehensive Analysis of the Structure-Function Relationship in Proteins Based on Local Structure Similarity

BACKGROUND:Sequence similarity to characterized proteins provides testable functional hypotheses for less than 50% of the proteins identified by genome sequencing projects. With structural genomics it is believed that structural similarities may give functional hypotheses for many of the remaining proteins. METHODOLOGY/PRINCIPAL FINDINGS:We provide a systematic analysis of the structure-function relationship in proteins using the novel concept of local descriptors of protein structure. A local descriptor is a small substructure of a protein which includes both short- and long-range interactions. We employ a library of commonly reoccurring local descriptors general enough to assemble most existing protein structures. We then model the relationship between these local shapes and Gene Ontology using rule-based learning. Our IF-THEN rule model offers legible, high resolution descriptions that combine local substructures and is able to discriminate functions even for functionally versatile folds such as the frequently occurring TIM barrel and Rossmann fold. By evaluating the predictive performance of the model, we provide a comprehensive quantification of the structure-function relationship based only on local structure similarity. Our findings are, among others, that conserved structure is a stronger prerequisite for enzymatic activity than for binding specificity, and that structure-based predictions complement sequence-based predictions. The model is capable of generating correct hypotheses, as confirmed by a literature study, even when no significant sequence similarity to characterized proteins exists. CONCLUSIONS/SIGNIFICANCE:Our approach offers a new and complete description and quantification of the structure-function relationship in proteins. By demonstrating how our predictions offer higher sensitivity than using global structure, and complement the use of sequence, we show that the presented ideas could advance the development of meta-servers in function prediction