Judul: Identify Potential of Dengue Hermologic Fever (DHF) Vulnerabilities as Climate Change Impacts with The Logit Model (Study in Jakarta Province)
Abstrak: Global warming as the trigger of climate change is a very important issue in many countries, the data showed global average temperature increase by 0.74oC during the 20th century. Rising sea levels from the 19th century until the 20th The results of ordinal logistic regression analysis, the models with socio-demographic and climatic variables as predictor is a good model with about 80% accuracy rate, and pass the test individually and overall. So by using the model to calculate the degree of vulnerability of each district then the resulting degree of vulnerability to be spatial in the map. century amounted to 0,17 m, this is consistent with extensive snow cover decreased by 7% since 1900. The fact of climate change and Indonesia's geographical position is on the growth of endemic mosquito Aedes aegypti as a dengue vector, Climate change will accelerate the spread of dengue virus due to changing rainfall patterns, high frequency and irregular rainfall and warmer temperatures will increase the number of mosquito Aedes aegypti. The Purpose of this research is determining the association between risk factors of DHF with Climate (Temperature and Rainfall), determining the factors that influence susceptibility DHF region of Jakarta, and social demography in Jakarta area and the finally purpose is determining the potential vulnerability of dengue in the Jakarta province as well as display them spatially in a map of dengue due to climate change vulnerability.
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Judul: Kajian Potensi Transmisi Penyakit Demam Berdarah Dengue Berdasarkan Curah Hujan dan Suhu di Jawa Tengah
Abstrak: Dengue hemorrhagic fever (DHF) is a viral disease which has spread throughout Indonesia over the past 25 years. Ae. aegypti is the main vector of the disease. In Indonesia, especially in Central Java, there has been an upward trend in the incidence of dengue hemorrhagic fever. Therefore some efforts to suppress an outbreak of this disease had been done by the government with focus against the vector. This research aims to determine and mapping the transmission potential (TP) of DHF in Central Java under 4 principal seasons: rainy (December- February), transition 1 (March – May), dry (June-August) and transition 2 (September – November) at 3 rainfall conditions ( below normal, normal and above normal years) using vectorial capacity (VC) method. The results show that the maximum average VC for under normal years occur on December-February, whereas for normal and above normal years its occurs on March-May. In every rainfall condition, the minimum VC occur on June-August when rainfall is minimum. Based on resulted map from this research, in coastal area of northern and southern site of Central Java which is lowland area, TP were higher than in central area which is highland. TP on city with high population such as Tegal, Semarang, and Surakarta were higher. Nevertheless, between VC and incidence rate (IR) were significant with coefficient correlation 0.057, caused by there weren’t interventions between 35 districts in Central Java to supress the number of DHF disease in case of sanitation, vector controls (fogging, aerial spraying, making abate), immunity of society, etc.
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Judul: Sintesis Nanorod Seng Oksida (ZnO) dengan Metode Sonokimia
Abstrak: Gelombang ultrasonik telah digunakan untuk membantu sintesis ZnO. ZnO terbentuk dari campuran ZnAc dan NaOH. ZnO disintesis dengan variasi konsentrasi ZnAc 0.5 M ( ZnO 1:1 ) dan 1.5 M ( ZnO 3:1 ) yang dicampurkan dengan NaOH konsentrasi 0.5 M. Sampel yang diporoleh dikarakterisasi dengan XRD dan SEM. Karakterisasi difraksi sinar-X menunjukkan bahwa struktur kristal ZnO yang dihasilkan merupakan heksagonal dengan pertumbuhan yang dominan pada orientasi bidang nonpolar a dengan indeks hkl 101. Kristalinitas dan kemurnian kristal ZnO 1:1 lebih baik dibandingkan ZnO 3:1 ditunjukan dengan intensitas puncak difraksi sinar-X yang lebih tinggi, sempit dan tajam. Untuk ukuran kristalit ZnO 1:1 mempunyai rata-rata ukuran kristalit 30.57 ± 4.31 nm sedangkan ZnO 3:1 mempunyai ukuran rata-rata 20.25 ± 7.12 nm. Dari ukuran kristal yang terbentuk partikel ZnO termasuk nanokristal. ZnO 1:1 terbentuk batang-batang nano (nanorods) sedangkan pada ZnO 3:1 tidak terbentuk batang-batang nano (nanorods). Untuk ukuran morfologi, ZnO 1:1 mempunyai rata-rata ukuran butiran kristal 230 nm dan lebih besar dibandingkan ukuran ZnO 3:1 yang mempunyai rata-rata ukuran butiran kristal 50 nm.
Keyword: nanorot, sintesis, sonokimia, ZnO