PELATIHAN SOFTSKILL PENGGUNAAN UNMANNED AERIAL VEHICLE (UAV) PADA MAHASISWA PECINTA ALAM UNIVERSITAS NUSA CENDANA

Di era modern (era industri 4.0), drone atau pesawat udara tanpa awak (PUTA) menjadi salah satu peralatan yang dapat digunakan untuk menunjang berbagai aktifitas, diantaranya bidang fotografi, videografi, promosi, dan juga ilmu pengetahuan pada berbagai bidang keilmuan. Penggunaan teknologi drone memiliki berbagai macam kelebihan yang tidak dimiliki oleh peralatan lainnya, yaitu efisiensi waktu, fleksibilitas, dan mampu melakukan pemotretan kondisi lahan secara aktual dengan resolusi yang sangat tinggi. Organisasi Mahasiswa Pecinta Alam (MAPALA) merupakan salah satu wadah untuk menyalurkan minat dan bakat mahasiswa yang berfungsi sebagai sarana pengembangan pribadi, sosialisasi, dan kesadaran akan lingkungan. Kelompok pecinta alam mengisi kegiatannya dengan melakukan kegiatan di alam bebas yang bersifat sosial serta pengabdian kepada masyarakat. Oleh karena itu, dukungan keahlian penggunaan teknologi drone akan sangat membantu dalam pelaksanaan kegiatan-kegiatan yang akan dilakukan. Pengabdian ini bertujuan untuk memberikan pengetahuan dan keahlian pendukung dalam pemanfaatan teknologi berupa penggunaan dan pengoperasian drone pada MAPALA Undana. Pelaksanaan pengabdian kepada masyarakat ini menggunakan metode penyampaian langsung untuk menjelaskan materi regulasi, pengertian dan jenis-jenis drone, bagian-bagian drone, prosedur persiapan penerbangan drone, serta menggunakan metode pembelajaran yang berpusat pada murid (student centered learning) dengan menggunakan media simulator penggunaan drone. Sasaran program mengikuti kegiatan pengabdian masyarakat ini dengan aktif dan komunikatif dikarenakan materi yang disampaikan merupakan hal yang baru bagi mereka. Penyampaian materi didukung oleh media berupa wahana drone secara langsung yang diperkenalkan kepada sasaran program dengan diakhiri oleh praktik penggunaan dan pengoperasian drone dengan tampilan nyata dari simulator

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Not AvailablePhyto-oxylipins are a group of biologically active molecules that play an important role in plant defense. Their production begins with the oxygenation of polyunsaturated fatty acids by lipoxygenases (LOXs; EC 1.13.11.12) to form 9- or 13-hydroperoxides. These are substrates for several enzymes involved in the synthesis of final oxylipins, which can act as signal molecules and/or direct antimicrobials. Recent completion of the castor bean genome sequence now permits genome-wide analysis of the LOX gene family in castor as well as comparison with LOX in Arabidopsis. We identified 12 candidate LOX genes in the castor bean genome. Phylogenetic analysis indicated that these LOX members cluster into two groups, designated types 1 and 2, as expected from previous studies. Out of which six LOX gene specific primers were designed to amplify castor LOX genes i.e. LOX1, LOX2, LOX3, LOX4, LOX5 and Dox. Sequence analysis showed conserved five iron binding sites in the LOX domain of all the Rc-LOX, however, only LOX5 contained consensus (positions 547, 556, and 715) histidines residue. Expression analysis of LOX2, 3, 4, 5 and DOX genes in resistant and susceptible genotypes of castor at 0 days after infection (DAI), 5 DAI and 10 DAI (30 days after sowing) was carried out using quantitative real time (RT)-PCR during castor bean–Fusarium oxysporium f. sp. ricini interaction. Results suggest that 2 (LOX2 and LOX5) of 6 Rc-LOX genes were detectable. Resistant genotypes (48-1 and SKP-84) exhibited appreciably higher expression of LOX5 during castor bean–F. oxysporium interaction, which further suggest the participation of Rc-LOX5, a type-1 LOX predicted to be 9-LOX, in wilt resistance.Not Availabl

Synthesis of Cobalt Powder by Reduction of Cobalt Oxide with Ethanol

In this study, ethanol (C2H5OH) was used as a reducing agent for Co powder synthesis from Co3O4. It aimed to investigate the effects of temperature (700-900 K), reaction time (0-60 min), and gas flow rate on the reaction behavior of Co3O4 in ethanol flow. Mass measurement, x-ray diffraction, and scanning electron microscopy techniques were used to characterize the products. Single-phase Co powders with mean particle sizes of 0.51 mu m and 0.70 mu m were obtained within similar to 10 min at 800 K and 900 K, respectively. Above 800 K, external mass transfer controlled the reduction process (Q(a) = 0.52 kJ/mole). Below 800 K, the process (Q(a) = 20.17 kJ/mole) was partly controlled by external mass transfer and partly by intrinsic chemical reaction kinetics. Significant C uptake was observed at 700 K and 750 K within 60 min. The reactions were discussed in the light of thermodynamic results, which predicted Co formation from Co3O4 and C2H5OH

Outdoor biting and pyrethroid resistance as potential drivers of persistent malaria transmission in Zanzibar

Abstract Background Low-level of malaria transmission persist in Zanzibar despite high coverage of core vector control interventions. This study was carried out in hot-spot sites to better understand entomological factors that may contribute to residual malaria transmission in Zanzibar. Methods A total of 135 households were randomly selected from six sites and consented to participate with 20–25 households per site. Mosquito vector surveillance was carried out indoors and outdoors from 6:00 pm–7:00 am using miniaturized double net trap (DN-Mini™). Additional collections were done indoors using mouth aspirators to retrieve resting mosquitoes from wall and ceiling surfaces, and outdoors using resting bucket and pit traps. All collected mosquitoes were morphologically and genetically (PCR) analysed in the laboratory. All collected anopheline and blood-fed mosquitoes were analysed for sporozoite infection and blood meal host preferences by Circumsporozoite Protein ELISA and blood meal ELISA, respectively. The differences between indoor and outdoor mosquito biting rates were analysed using generalized linear mixed models. Levels of resistance to commonly used insecticides were quantified by WHO susceptibility tests. Results Out of 704 malaria vectors collected across 135 households, PCR analysis shows that 98.60% were Anopheles arabiensis, 0.6% Anopheles merus and 0.6% Anopheles gambiae sensu stricto. Sporozoite ELISA analysis indicates that all mosquitoes were negative for the malaria parasite. The results show that more An. arabiensis were collected outdoor (~ 85%) compared to indoor (~ 15%). Furthermore, large numbers of An. arabiensis were caught in outdoor resting sites, where the pit trap (67.2%) collected more mosquitoes compared to the outdoor DN-Mini trap (32.8%). Nearly two-thirds (60.7%) of blood-fed mosquitoes had obtained blood meals from non-human hosts. Mosquitoes displayed non-uniform susceptibility status and resistance intensity among the tested insecticides across the study sites to all WHO recommended insecticides across the study sites. Conclusion This study suggests that in contexts such as Zanzibar, testing of novel techniques to complement indoor protection and targeting outdoor biting and/or resting mosquitoes, may be warranted to complement existing interventions and contribute to malaria elimination efforts. The study highlights the need to implement novel interventions and/or adaptations of strategies that can target outdoors biting mosquitoes. </jats:sec

Outdoor Vector Biting, Feeding on Animal and Pyrethroid Resistance Potential Drivers of Persistent Malaria Transmission in Zanzibar

Abstract Background:Low-level of malaria transmission persist in Zanzibar despite high coverage of core vector control interventions. This study was carried out in hot-spot shehias to better understand entomological factors that may contribute to residual malaria transmission in Zanzibar. Methods:A total of 135 households were randomly selected from six sites and consented to participate with 20-25 households per site. Mosquito vector surveillance was carried out indoors and outdoors from 6:00PM–7:00AM using miniaturized double net trap (DN-MiniTM). Additional collections were done indoors using mouth aspirators to retrieve resting mosquitoes from wall and ceiling surfaces, and outdoors using resting bucket and pit traps. All collected mosquitoes were morphologically and genetically (PCR) analysed in the laboratory. All collected anopheline and blood-fed mosquitoes were analysed for sporozoite infection and blood meal host preferences by Circumsporozoite Protein ELISA and blood meal ELISA respectively. The differences between indoor and outdoor mosquito biting rates were analysed using generalized linear mixed models. Levels of resistance to commonly used insecticides were quantified by WHO susceptibility tests.Results:Out of 704 malaria vectors collected across 135 households, PCR analysis shows that 98.60% were Anopheles arabiensis, 0.6% Anopheles merus and 0.6% Anopheles gambiae.s.s. Sporozoite ELISA analysis indicates that all mosquitoes were negative for the malaria parasite. The results show that more An. arabiensis were collected outdoor (~85%) compared to indoor (~15%). Furthermore, large numbers of An. arabiensis were caught in outdoor resting sites, where the pit trap (67.2%) collected more mosquitoes compared to the outdoor DN-Mini trap (32.8%). Nearly two-thirds (60.7%) of blood-fed mosquitoes had obtained blood meals from non-human hosts. Mosquitoes displayed non-uniform susceptibility status and resistance intensity among the tested insecticides across the study sites to all WHO recommended insecticides across the study sites.Conclusion:This study suggests that in contexts such as Zanzibar, testing of novel techniques to complement indoor protection and targeting outdoor biting and/or resting mosquitoes, may be warranted to complement existing interventions and contribute to malaria elimination efforts. The study highlights the need to implement novel interventions and/or adaptations of strategies that can target outdoors biting mosquitoes.</jats:p