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  • The Use of ICT Resources for Teaching Social Studies: Does the Availability of ICT Resources Matter?

    The paper explored the availability of information and communication technology (ICT) resources and the extent to which these resources influence the use of ICT in teaching Social Studies. The study setting was in the Awutu Senya district of Ghana. A descriptive survey design and quantitative approach were adopted for the study. From a target population of fifty-seven (57), 46 were sampled from which 39 participated in the survey. Means and standard regression were employed for the investigation. The testing of hypothesis was made possible through the use of structured equation modelling. The study concluded that ICT resources were inadequate for teaching Social Studies and that the use of ICT resources in teaching Social Studies in the district was low. The reason was evident based on the low level of ICT resources in the district. The study also concluded that there was a positive significant relationship between availability of ICT resources and its use in the teaching of Social Studies.

  • Ship navigation safety risk assessment based on genetic algorithm and BP neural network

    In order to ensure the safe navigation of ships and reduce the occurrence of marine accidents, through the analysis of ship historical navigation safety accident data and related accident literature research, taking into account various aspects such as marine meteorology, cargo loading, ship status and crew quality. Construct a ship navigation safety evaluation body. The BP neural network algorithm is used to design the ship navigation safety risk network structure. The sea damage data is used as the network input sample to train the BP neural network and data fitting. At the same time, the genetic algorithm is introduced to find the individual corresponding to the optimal fitness, and the weight and threshold of the network are further optimized. The purpose is to improve the accuracy of data fitting. The optimized BP neural network evaluation results show that there are many indicators affecting the safety of the ship’s navigation, and the relationship between the indicators is complicated. The optimized BP neural network utilizes the characteristics of online adaptive learning, which eliminates the construction of complex relationships among various indicators within the structure, and solves the difficult problems in ship risk assessment to a certain extent.

  • A Semi Organic Non-linear Optical Crystal: Synthesis, Growth and Characterization of Novel Thiosemicarbazide Magnesium Chloride

    Single crystals of thiosemicarbazide magnesium chloride (TSCMC) a semi organic nonlinear optical (NLO) material have been grown from aqueous solution by a slow evaporation technique. The grown crystals have been subjected to single crystal X-ray diffraction studies to identify of the structure. FTIR and optical transmission spectra reveal the optical properties of the grown crystals. The thermal behavior of TSCMC was investigated using the TG–DTA studies. Dielectric measurements were made over a wide range of frequencies for different temperatures. The second harmonic generation (SHG) efficiency for the grown crystals was determined using the Kurtz powder technique.

  • CHARACTERIZATION OF BIOACTIVITY OF EXTRACTS OF THE PLANT SPECIES JACARANDA RUGOSA A.H. GENTRY

    The use of plants by man as a way to treat diseases is an ancient practice and widely used within the communities. Plants said to be medicinal present in their composition substances capable of altering the systematic functioning of organs, and may influence the treatment of diseases. The branch of science that studies plants and their ethnofarmacologic characteristics has attracted industries and researchers to elucidate their real biological influences in the organism. The Jacaranda rugosa, native plant of the caatinga biome, has been used in the treatment of infections and skin wounds and in the treatment of diseases. In order to evaluate the bioactivities of this species, the methodology of phytochemical prospecting was used, through thin layer chromatography, the verification of the antioxidant potential of leaf and branch extracts, through techniques such as neutralization of DPPH and ABTS radicals, in order to identify the functioning of the lity and the performance of cellular protection against oxidizing agents. In addition, microbiological techniques were used to evaluate the efficiency of extracts in acting as bactericide against disease-causing pathogens. As results, phytochemical prospection demonstrated the presence of secondary metabolites tannins, flavonoids and coumarins, the analyses of antioxidant activities by jacanda rugosa’s DPPH radical showed considerable activities from 62.5 mg/ml. The analysis of the neutralization of ABTS radicals demonstrated efficacy of 46% and 49% of ability to react against antioxidant substances. Against the microorganisms Salmonella spp.and Staphylococcus aureus, there was the activity of the extract for Salmonella spp in 5 mg/mL of the extract, but there was no activity for S. aureus..

  • ANTIOXIDANT ACTIVITY AND HEMOTOXICITY OF MEDICINAL PLANT OF THE CAATINGA DOMAIN: AMBURANA CEARENSIS (FABACEAE)

    Amburana cearensis is a medicinal species popularly known as “cherry” or “aroma amburana” that has wide distribution in South America, being characteristic of Seasonal Forests. It also occurs in Semideciduous Seasonal Forest, restricted to rocky or limestone outcrops; in Submontane Deciduous SubmontanaSeasonalForest; in Dense Ombrophilous Forest (Atlantic Forest) and even in caatinga/dry forest. Taking into account the growing interest in the search for agents that act in the face of oxidative stress, without causing toxic effects to biological systems, the present study aimed to investigate the phytochemical composition and evaluate the antioxidant and hemotoxic activities in vitro of the aqueous extract obtained from the shells of Amburana cearensis (EAAc). Hemaglutination wasevaluated for human erythrocytes collected from people with the presence of O+ blood. In the face of the tests, Amburana cearensis presented significant results for antioxidant activity without causing erythrocyte hemolysis, highlighting the importance of the species as a source of antioxidant agents, which are recognized for blocking the evolution and acting to combat symptoms triggered by diseases associated with oxidative stress.

  • Evaluation of the Antioxidant Potential of Artisanal Liqueurs Produced From Fruits of the Caatinga Biome

    Plant extraction is a common practice performed in community with the presence of native species with strong population interest. For many Brazilian regions, extractivism acts as a complement of income for the population. The present work aimed to evaluate artisanal liqueurs produced in local communities of the State of Pernambuco in order to observe the antioxidant potentials present during production stages. For this, trials were performed with dpph and abts radicals. All the liqueurs evaluated showed antioxidant potential, with expressive results through the sequestration of the DPPH radical, comprising values of 50 CI between 0.5 and 2.25.

  • Constructing Consumers’ Mental Model with ZMET for Online Foreign Language Learning Activities

    The customers’ particular perception of any product, service, or even brand is also the representation of mental models that underlie the customers’ feelings additionally to consequently account for customer behaviour. To amass such customer insight, this article uses a vital customer analysis tool—the Zaltman metaphor elicitation technique (ZMET) to urge the perceptual and ideal meaning of customers in thinking levels that are different through visual picture and metaphor imagination, along with further incorporate the mean – end chain theory to produce the incorporated mental map for a team of consumers within the context of online language learning, therefore offering better insight into customers behaviour.

  • Incidentally Detected Microscopic Gastrointestinal Stromal Tumor: Clinicopathological and Immunohistochemical Evaluation of 11 Cases

    Aim: Gastrointestinal stromal tumor (GIST) originating from interstitial Cajal cells is the most common mesenchymal tumor of the gastrointestinal tract, often located in the stomach, but can be seen anywhere in the gastrointestinal tract. In this study, microGISTs, a preclinical form of GIST; retrospective evaluation was aimed with clinical, histopathological and immunohistochemical findings. Materials and Methods: This study included 11 cases who underwent surgery in our hospital between 2005 and 2017, were diagnosed as microGIST. Results: Three of the cases included in the study were male (27%), eight were female (73%), and the mean age was 59 years. The average lesion diameter was 0,7 cm. All lesions are asymptomatic and detected during surgeries for other reasons. In eight of 11 cases, the lesion was located in the stomach (73%) and three of them in the small intestine (27%). Mitotic activity was observed in only two cases. Spindle cell morphology was detected in all of them. While five of the cases were determined as dedifferentiated (45%), four of them were differentiated by muscle (36%), two of them were differentiated by nerve (19%). There was no risk of progressive disease in any case. In all cases, tumor cells were diffuse positive with CD117 and DOG1 in the immunohistochemical study. Conclusion: MicroGISTs are clinically different and have a pathologically significant low proliferative capacity than other similar tumors. These tumors with benign behavior potential should be kept in mind in the differential diagnosis of spindle cell mesenchymal lesions in the gastrointestinal tract.

  • THE IMPORTANCE OF SPIRITUALITY IN COPING WITH PAIN IN THE PERSPECTIVE OF PARENTS, IN FRONT OF THE COMMUNICATION OF THE DIAGNOSIS OF CHILDREN AND ADOLESCENTES CANCER

    Introduction: In Brazil it is estimated that there will be 12,500 new cases of cancer in children and adolescents (up to 19 years). It is considered the second cause of death in the kids and adolescents population,for allregions of Brazil, according to the National Cancer Institute (INCA). Even with advances in medicine and a significant increase of about 70% in the survival rate of patients, cancer is still associated with death, pain, loss and suffering, bringing family, personal and social repercussions to patients and families. Objective: This study aimed to identify the importance of religiosity and spirituality as a coping mechanism used by caregivers in relation to the diagnosis of childhood and juvenile cancer. Method: Qualitative descriptive study. Approved by the CEP of the Institute of Integral Medicine Prof. Fernando Figueira – IMIP, with CAAE 10829312.0.0000.5201. Participants were 10 caregivers of patients under going treatment at a pediatric oncolog yunitat a reference hospital in the cityof Recife / PE. Results and discussion: The reports showed the relevance of spirituality as an emotional support to caregivers, a source of Faith and hope in understanding the coping strategy used, in the face of pain, anguish and uncertainty experienced in the search for re – signification and understanding of cancer and its treatment. Conclusion: Considering the importance of the caregiver as essential in the patient’s coping with the disease and treatment, it is concluded that he experiences stress with the impact of diagnosis, seeking in religion and spirituality, an attempt to develop healthier ways of dealing with the suffering and confrontation of children and adolescentes cancer.

  • SPIRITUALITY IN THE PERSPECTIVE OF THE PROFESSIONALS OF PEDIATRIC ONCOLOGY IN RESPECT OF PALLIATIVE CARE

    Introduction: Spirituality in the context of illness is used as a coping mechanism by patients, family members and health professionals; allowing the creation of meanings and assisting in the subjectivation of individuals from contents transcendent to life. Objectives: Understand how spirituality is expressed as a coping mechanism in the face of the routine of health professionals working in the pediatric oncology context in the care setting palliative. Methodology: Qualitative study performed in a hospital-school in the city of Recife, a reference in the pediatric oncology treatment. Data collection was performed with 12 health professionals between August and October 2017. Data were collected through sociodemographic questionnaires and individual semi-structured interviews, recorded in audio and subsequently submitted to the Content Analysis technique. Results and Discussion: Spirituality was the coping mechanism most reported by health professionals. Participants meant working in pediatric oncology from the will of God, as chosen people for that mission, relating to the understanding of having a purpose for it. Regarding the practice of the profession before the patients in the process of treatment and palliation, spirituality is understood as the way to deal with the innumerable losses and deaths in the hospital setting. Conclusions/considerations: The presence of spirituality promotes quality of life and helps professionals to make the environment less difficult and endowed with transcendental meanings, showing that they also need the means to give meaning to the suffering present in their daily work.