The Madura State Polytechnic was known in abbreviation as POLTERA (in Indonesian), and formerly founded by Bina Sampang Mandiri (BSM) foundation in Madura island of Indonesia. The campus purposes to aim for the first Applied Technology model-based polytechnic college which is not similarly with Engineering model-based University. Since it was inaugurated as a state university as one of the well-known several polytechnics in East Java, which located in Sampang. Then previously founded in the year of 2012, the polytechnic is under the auspices of Ministry of Education (Kemendikbud). In the year of 2014, the auspices was replaced to the Ministry of Research, Technology and Higher Education (Kemenristekdikti). Poltera is not only educational role-model of engineering science in which was focussing towards maritime transport and marine technology as a kick-starter, but is also adopts model of industry-oriented education in tomorrow's engineer for the future of polytechnic (POLTECH).Since 2012, Poltera was the first vocational education system in Madura. So, Poltera is located in Camplong by UTC+07:00 or West Indonesia Time (WIB), Province of East Java, which institution is equivalent to the university, especially the Institute of Technology. Poltera has been officially established to organizes academic and non-academic activities, as the initial pioneer with the coordination of two well-known institutions from Surabaya, such as the Electronic Engineering Polytechnic Institute of Surabaya (EEPIS) and the Shipbuilding Institute of Polytechnic Surabaya (SHIPS) as the temporary foundation for the readiness, towards establishment of an independent polytechnic college. For the constructions, lectures, academics and its facilities, in which explanation based on interview of first Director, Ir. Achmad Ansori, DEA. that in mid-2016, Poltera plans to utilize existing building facilities for lectures program of the only applied courses in Madura and as the flagship campus in Indonesia, especially Madura. In 2012, Poltera initially established a diploma-three of associate degree (D3) with a percentage of weight between practice and theory is 70% pre-industry in approach and 30% theory of application that can be reached normally with 6 semester (3 years). While going to the future, Poltera is plans to established a diploma-four of bachelor's degree (D4) which is equivalent to strata one of bachelor's degree (S1), the difference lies in the percentage of weight between research, rules, and regulations. Those are 40% of applied scientific and 60% scientific method that can be completed in the normal period for 8 semesters (4 years). Since establishment, the Union of polytechnic (UNIPOLTECH) is an association of state polytechnic colleges in Indonesia (automatically), and Plotter Dies Natalis of birthday celebrations in which officially commemorated every 11 November by interval (born in 2012) of several achievement on progress..
In this study, a novel non-enzymatic electrochemical sensor based on a nanocomposite of reduced graphene oxide and conducting polyaniline, denoted as reduced graphene oxide/polyaniline/glassy carbon electrode (rGO/PANI/GCE), was developed for detecting nitrate ions in environmental water sources. The reduced graphene oxide/polyaniline nanocomposite was synthesised by dispersing graphene oxide in water to form a homogeneous suspension, preparing polyaniline separately through chemical oxidative polymerisation, and subsequently combining them while reducing graphene oxide to reduced graphene oxide to produce a uniform composite material. The reduced graphene oxide/polyaniline nanocomposites were deposited on a glassy carbon electrode and applied as the working electrode. The nanocomposite was characterised using Fourier-transform infrared spectroscopy, field-emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction. Cyclic voltammetry, electrochemical impedance spectroscopy, and square wave voltammetry were employed to evaluate the electrochemical behaviour of the sensor. The reduced graphene oxide/polyaniline/glassy carbon electrode exhibited electrocatalytic oxidation performance that surpassed those of the polyaniline/glassy carbon electrode, the graphene oxide/glassy carbon electrode, and the bare glassy carbon electrode. Under optimal conditions, the recorded current showed a linear correlation with nitrate ion concentration in the range of 7 to 45 µM. The regression equation was I = 22.943 + 0.863 C (R2 = 0.982). The sensor demonstrated a sensitivity of 0.863 µA µM−1 with a detection limit of 1.74 µM. It also exhibited reproducibility with a relative standard deviation of 2.99
Mesoporous aluminosilicate decorated with nickel nanoparticles confined in the mesoporous channels enhanced the stability of catalysts for hydrocarbon production from non-edible oils. Mesoporous aluminosilicate (AlMs) synthesized via a mixture of Pluronic and Nanocellulose (NCC) as template (PN) was compared with Pluronic P123 (P) only. The role of NCC in increasing stability of Al-MS was observed on the preservation of high surface area (315 m2 g-1), mesoporosity (7.05 nm) and the absence of amorphous aluminosilicate cluster, allowing NiO deposition within the confined mesopores. A stronger Lewis acidity and open mesopores channel of Ni/AlMs(PN) promotes stability of the catalysts for four deoxygenation cycles of Calophyllum inophyllum oil (CIO) to green hydrocarbon diesel. Ni/AlMs (PN) achieved 99.11% conversion, 66.37% liquid yield, and 84.48% hydrocarbon selectivity with C15-C17 fractions (73.05%). This work demonstrates that NCC as a green co-template effectively produced high-performance catalyst with enhanced distribution of acid site for sustainable green diesel production.
The development of science and technology has experienced a very high acceleration. Along with this, the need for and demand for fast and accurate information is also getting higher. Based on this, this research aims to create an automatic portal model using UHF RFID. In addition, this model will have digital data documenting entry and exit of vehicles, so that it is easier in the process of monitoring data on students, lecturers and guests in carrying out activities within the Madura State Polytechnic (POLTERA) campus. To help security officers, and prevent transmission of Covid-19, an automatic entry and exit control system is needed. The purpose of this research is to design and build an automatic portal with RFID that has Ultra High Frequency (UHF) technology and additional driver body temperature detection technology. The temperature value and the RFID code are read by the RFID Reader and then the code is used as a condition for access to open and close the portal. After that, the recorded data in the form of RFID card data, temperature data, and driver images will be stored in a microSD data logger.
The degradation of groundwater quality near landfill sites due to potential pollutant exposure requires quantitative evaluation to determine actual health risks to surrounding communities. This study aimed to analyze aluminum and chromium(VI) concentrations and characterize environmental health risk associated with groundwater exposure near the landfill. Water samples were collected from five residential wells using purposive sampling. Health risk assessment was conducted by calculating the Average Daily Dose, Hazard Index (HI) for non-carcinogenic effects, and Total Cancer Risk (TCR) for carcinogenic effects via ingestion and dermal contact. Results showed aluminum concentrations ranged from 0.012 to 0.14 mg/L, complying with the WHO drinking water quality standards, whereas chromium(VI) concentrations remained below the limit of detection (<0.0099 mg/L). Risk characterization revealed all HI values were below 1, ranging from 0.0003 to 0.0094, indicating no potential non-carcinogenic risk. Conversely, the estimated TCR, calculated by substituting the detection limit for chromium(VI), exceeded the acceptable risk range (4.0×10?? for adults and 9.5×10?? for children). However, these results represent a highly conservative theoretical worst-case scenario. Children were identified as a vulnerable group with the highest risk due to their higher water intake per unit of body weight. In conclusion, current exposure to well water does not indicate potential non-carcinogenic risk, and the presence of these metals may be attributed to natural processes or activities around the landfill. These findings highlight the importance of periodic groundwater quality monitoring and further hydrogeological studies to strengthen pollutant source identification.
Latar Belakang: Hipertensi pada lansia merupakan kondisi yang berpotensi menurunkan kualitas hidup dan meningkatkan beban biaya kesehatan akibat tingginya biaya pengobatan tahunan. Upaya penurunan tekanan darah di masyarakat masih berfokus pada terapi farmakologis, sedangkan pendekatan non-farmakologis seperti terapi bekam basah belum diterapkan secara rutin, padahal terapi ini dapat menjadi bagian dari gaya hidup sehat dalam pengelolaan hipertensi. Terapi bekam basah dinilai aman, nyaman, dan dapat digunakan sebagai pengobatan komplementer di masyarakat. Tujuan: Penelitian ini bertujuan untuk mengetahui pengaruh terapi bekam terhadap perubahan tekanan darah sistolik dan diastolik pada lansia penderita hipertensi di Desa Jenangger, Kecamatan Batang-Batang, Kabupaten Sumenep. Metode: Penelitian ini menggunakan desain pra-eksperimental one-group pre-posttest. Populasi penelitian adalah seluruh lansia penderita hipertensi yang berjumlah 30 orang. Sampel yang diperoleh melalui teknik non-probability purposive sampling adalah 18 orang. Pengumpulan data dilakukan menggunakan lembar observasi dan sphygmomanometer untuk mengukur tekanan darah. Data yang diperoleh diolah, dianalisis, dan disajikan dalam bentuk nilai rata-rata tekanan darah. Analisis data menggunakan uji Wilcoxon Signed Ranks. Hasil: Penelitian menunjukkan nilai α <0,001 (<0,05) baik untuk tekanan sistolik maupun diastolik, yang mengindikasikan bahwa terapi bekam berpengaruh terhadap penurunan tekanan darah sistolik pada lansia penderita hipertensi. Nilai Z-score sistolik sebesar -5,252 dan Z-score diastolik sebesar -5,258 menunjukkan bahwa semakin sering dan lama terapi bekam dilakukan, semakin rendah tekanan darah yang dihasilkan. Kesimpulan: Mengingat adanya pengaruh tersebut, terapi bekam sebaiknya dilakukan secara berkelanjutan sesuai kebutuhan untuk membantu menurunkan tekanan darah. Perawat perlu terus memberikan edukasi dan motivasi terkait pelaksanaan terapi bekam di fasilitas pelayanan kesehatan terdekat.
