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Journal articles on the topic 'MQ-2'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Easterline, Laurent Michelle, Alyssia Az-Zahra Ravica Putri, Patricia Sherryn Atmaja, Adhe Lingga Dewi, and Anang Prasetyo. "Smart Air Monitoring with IoT-based MQ-2, MQ-7, MQ-8, and MQ-135 Sensors using NodeMCU ESP32." Procedia Computer Science 245 (2024): 815–24. http://dx.doi.org/10.1016/j.procs.2024.10.308.

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Kuncoro, Purwoko Hari, Arief Sudarmaji, Susanto Budi Sulistyo, Krissandi Wijaya, and Agus Margiwiyatno. "Respon dan Akurasi Sensor Gas MOS (MQ-Series Module) Dalam Mengidentifikasi Minyak Nilam (Patchouli Oil)." Jurnal Keteknikan Pertanian Tropis dan Biosistem 11, no. 1 (2023): 28–40. http://dx.doi.org/10.21776/ub.jkptb.2023.011.01.03.

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Dalam penelitian ini dilakukan pengujian terhadap sensor gas MOS tipe MQ (MQ-2.1, MQ-2.2, MQ-3, MQ-4, MQ-5, MQ-6 MQ-7, MQ-8, MQ-9, dan MQ-135) untuk mendeteksi kemurnian minyak nilam. Penelitian ini dilakukan dengan tujuan: 1) mempelajari respons sensor gas MOS tipe MQ dalam mengidentifikasi kemurnian minyak nilam, dan 2) mempelajari akurasi sensor gas MOS tipe MQ dalam mengidentifikasi kemurnian minyak nilam. Minyak nilam yang digunakan adalah minyak nilam pada berbagai tingkat pencampuran dengan minyak zaitun. Terdapat 2 jenis perlakuan yang diamati, yaitu: dengan pemanasan dan tanpa pemanas

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Deacon, Glen B., Peter C. Junk, David R. Turner, and Julia A. Walker. "Homo- and Heteroleptic 8-Quinaldinolate Complexes From Elevated-temperature Rearrangements." Australian Journal of Chemistry 66, no. 10 (2013): 1138. http://dx.doi.org/10.1071/ch13185.

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Three new zinc 8-quinaldinolate complexes have been obtained from rearrangement reactions at elevated temperatures including the first homoleptic zinc 8-quinaldinolate complex. The homoleptic, trinuclear complex [Zn3(MQ)6] (1) (MQ = 8-quinaldinolate) was obtained by the recrystallisation of amorphous Zn(MQ)2 from a 1,2,4,5-tetramethylbenzene flux at 270°C. The heteroleptic complexes [Zn4Cl4(MQ)4] (2) and [Zn4Cl2(MQ)6] (3) were simultaneously obtained by the reaction between Zn(MQ)2 and anhydrous ZnCl2 under the same conditions. All complexes contain quinaldinolate ligands in a mixed chelating–

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Afiyat, Nur, and Muhammad Lahan Afif. "Perbandingan Kinerja Sensor MQ-2 dan MQ-6 pada Sistem Deteksi Kebocoran LPG dengan Notifikasi melalui Telegram." Jurnal RESISTOR (Rekayasa Sistem Komputer) 7, no. 2 (2024): 100–108. https://doi.org/10.31598/jurnalresistor.v7i2.1591.

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Penelitian ini bertujuan untuk mengembangkan sistem deteksi kebocoran gas LPG berbasis IoT yang dapat mengirimkan notifikasi real-time melalui aplikasi Telegram. Sistem ini menggunakan dua jenis sensor, MQ-2 dan MQ-6, yang diintegrasikan dengan NodeMCU V3 ESP8266 sebagai mikrokontroler. Metode penelitian meliputi perancangan sistem elektronik, pengembangan perangkat lunak, serta pengujian kinerja sistem dalam mendeteksi kebocoran LPG dan mengukur delay pengiriman notifikasi. Hasil penelitian menunjukkan bahwa sistem berhasil mendeteksi kebocoran LPG dengan sensitivitas rata-rata sebesar 541,2

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Carrillo-Amado, Yersson Ramiro, Miguel Angel Califa-Urquiza, and Jacipt Alexander Ramón-Valencia. "Calibration and standardization of air quality measurements using MQ sensors." Respuestas 25, no. 1 (2020): 70–77. http://dx.doi.org/10.22463/0122820x.2408.

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To perform the calibration and standardization of the air quality measurements through the MQ sensors, a mathematical relation was used based on the information provided by the manufacturers of the sensors through their data sheets, using the linear mathematical regression model that allowed to create the libraries for the sensors MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, MQ-8, MQ-9, MQ-135, MQ-131, MQ-303A, MQ-309A, These libraries are characterized by being open source, and are available to the public, whose software tool allows to take values in parts per million (ppm) from the value of the resis

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Haniza, Haniza, Berlian Pamungkas, Zanu Saputra, and Novitasari Novitasari. "Alat Pendeteksi Asap Rokok dengan Peringatan Suara Menggunakan Sensor Mq-2 dan Mq-135." Jurnal Inovasi Teknologi Terapan 3, no. 1 (2025): 129–38. https://doi.org/10.33504/jitt.v3i1.280.

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Polman Babel is one of the places for the nation's next generation to carry out the teaching and learning process in Bangka Regency to respond positively to regulations related to the No Smoking Area (KTR). This is realized by the presence of warning boards regarding the prohibition of smoking at several locations. The smoke-free area policy has been enforced, but there are still some violators and lack of awareness to comply with the regulation. To overcome this problem, a smoke detector is needed that can be used in the campus environment. A cigarette smoke detector using MQ-135 sensor and M

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Garonga, Melki, Aryo Michael, and Marni Dudung. "Sistem Pendeteksi Kebocoran Liquified Petroleum Gas (LPG) Menggunakan Sensor MQ-2 Berbasis Mikrokontroler." Journal Dynamic Saint 6, no. 1 (2021): 25–30. http://dx.doi.org/10.47178/dynamicsaint.v6i1.1274.

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Liquified Petroleum Gas (LPG) is a household need which is currently the most widely used by the community as a fuel other than petroleum. The use of LPG cylinders, which increases every year, is directly proportional to the increased risk of fire caused by gas leaks. Many LPG cylinders circulating in the community today do not use good safety. Therefore, a tool is needed to detect LPG leaks so that people can find out more quickly when there is a gas leak. This system is designed using a microcontroller-based MQ-2 sensor. The MQ-2 sensor functions as a gas leak detector, the buzzer serves as

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Iqbal, Muhammad, Nabilla Putri Puspita, Rahmad Rasyid, and Meqorry Yusfi. "Sistem Monitoring Kualitas Udara Jarak Jauh Berbasis Sensor MQ-2, MQ-6 dan Sensor DHT11." Jurnal Fisika Unand 14, no. 2 (2025): 137–44. https://doi.org/10.25077/jfu.14.2.137-144.2025.

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Kualitas udara dipengaruhi oleh aktivitas yang menghasilkan gas dari sumber alam dan manusia, sehingga pemantauan kadar gas menjadi penting untuk mencegah ancaman kesehatan. Tujuannya adalah menciptakan alat pemantauan gas alam yang efisien dan dapat diakses dari smartphone. Alat yang dirancang menggunakan sensor MQ-2 dan MQ-6 untuk pendeteksian gas serta sensor DHT11 untuk suhu dan kelembaban. Data dikirim secara real-time pada smartphone melalui aplikasi Blynk dengan modul nRF24L01+. Hasil penelitian menunjukkan bahwa sistem bekerja dengan baik dalam memantau butana, metana, suhu, dan kelemb

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Hayati, Fanur, Gunawan Wibisono, and Slamet Indriyanto. "RANCANG BANGUN SISTEM DETEKSI KEBOCORAN GAS LIQUEFIED PETROLEUM GAS (LPG) MENGGUNAKAN METODE DUA SENSOR MQ-2." Teodolita: Media Komunkasi Ilmiah di Bidang Teknik 23, no. 1 (2022): 22–30. http://dx.doi.org/10.53810/jt.v23i1.436.

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Abstrak Kebocoran gas memiliki resiko yang cukup tinggi karena jenis bahan bakar gas tidak memiliki warna serta jenis gas mudah terbakar. Sehingga dengan menggunakan dua sensor MQ-2 akan diletakan pada suatu tempat dekat dengan sumber gas LPG, nantinya akan terhubung ke NodeMCU, akan di deteksi dengan menggunakan sensor MQ-2 ke satu dan dua. Jika terdeteksi gas bocor maka buzzer akan berbunyi dan kadar kebocoran gas dapat dilihat melalui Antares. Nilai didapatkan dalam penelitian dengan menggunakan percobaan satu sensor MQ-2 dengan nilai tertinggi didapat 657, hasil terendah 356. Dua sen

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Krudsood, S., S. Looareesuwan, N. Tangpukdee, et al. "New Fixed-Dose Artesunate-Mefloquine Formulation against Multidrug-Resistant Plasmodium falciparum in Adults: a Comparative Phase IIb Safety and Pharmacokinetic Study with Standard-Dose Nonfixed Artesunate plus Mefloquine." Antimicrobial Agents and Chemotherapy 54, no. 9 (2010): 3730–37. http://dx.doi.org/10.1128/aac.01187-09.

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ABSTRACT A new fixed-dose artesunate (AS)-mefloquine (MQ) was assessed in adults hospitalized for 28 days with uncomplicated drug-resistant falciparum malaria. The patients (n = 25/arm) were treated with (i) two fixed-dose tablets (AS-MQ arm; 100 mg AS-200 mg MQ/tablet) daily for 3 days (days 0, 1, and 2) or (ii) nonfixed AS (AS-plus-MQ arm; 4 mg/kg of body weight/day for 3 days) plus MQ (15 mg/kg on day 1 and 10 mg/kg on day 2), dosed by weight. Clinical laboratory electrocardiogram (ECG), adverse events (AEs), efficacy, and pharmacokinetic parameters were assessed over 28 days. Both regimens

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Viciano-Tudela, Sandra, Lorena Parra, Paula Navarro-Garcia, Sandra Sendra, and Jaime Lloret. "Proposal of a New System for Essential Oil Classification Based on Low-Cost Gas Sensor and Machine Learning Techniques." Sensors 23, no. 13 (2023): 5812. http://dx.doi.org/10.3390/s23135812.

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Essential oils are valuable in various industries, but their easy adulteration can cause adverse health effects. Electronic nasal sensors offer a solution for adulteration detection. This article proposes a new system for characterising essential oils based on low-cost sensor networks and machine learning techniques. The sensors used belong to the MQ family (MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, and MQ-8). Six essential oils were used, including Cistus ladanifer, Pinus pinaster, and Cistus ladanifer oil adulterated with Pinus pinaster, Melaleuca alternifolia, tea tree, and red fruits. A total of

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Rombang, Ivanno Alexander, Lukas Bambang Setyawan, and Gunawan Dewantoro. "Perancangan Prototipe Alat Deteksi Asap Rokok dengan Sistem Purifier Menggunakan Sensor MQ-135 dan MQ-2." Techné : Jurnal Ilmiah Elektroteknika 21, no. 1 (2022): 131–44. http://dx.doi.org/10.31358/techne.v21i1.312.

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Merokok di tempat umum seperti di pusat perbelanjaan, perkantoran, dan restoran merupakan kebiasaan yang sering dijumpai. Asap rokok merupakan salah satu bentuk pencemaran udara yang mengandung karbon monoksida, amonia, kadmium, nikotin, tar, arsenik, nitrosamina dan sianida. Zat-zat beracun ini berbahaya bagi orang-orang yang berada di dalam ruangan tersebut sehingga hal ini menimbulkan masalah kesehatan. Perancangan prototipe alat deteksi asap rokok yang dibuat memberikan solusi untuk pembersihan udara yang disebabkan oleh polutan asap rokok. Dalam penelitian ini, dirancang alat deteksi asap

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P, Ali Rosyid, Ihtiari Prasetyaningrum, and Denny Hardiyanto. "LPG Gas Leakage Safety System Prototype Using Servo Motor with MQ-2 And MQ-6 Sensors." ICEETE Conference Series 2, no. 1 (2024): 252–60. https://doi.org/10.36728/iceete.v2i1.197.

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LPG is a trademark of LPG (Liquefied Petroleum Gas). LPG gas is a mixture of various hydrocarbons resulting from the refining of crude oil into gas form. No doubt, LPG gas is a basic need of the community because it is mainly used for cooking and many other things. However, LPG gas is sometimes also dangerous if not used properly. Among the dangers posed by LPG is flammable gas and contains poison when inhaled in large concentrations. Therefore, this research made a tool/prototype of LPG gas leak detection. This system uses the Wemos D1 module and MQ-2 and MQ-6 sensors, as well as servo motors

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Zajac, Pavol. "Connecting the Complexity of MQ- and Code-Based Cryptosystems." Tatra Mountains Mathematical Publications 70, no. 1 (2017): 163–77. http://dx.doi.org/10.1515/tmmp-2017-0025.

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Abstract We study the connection between the MQ problem and the decoding problem, through the intermediate MRHS representation. The main goal of this study is to explicitly bound the complexity of solving MQ systems with decoding tools. The main observation is that although the MQ problem over GF(2) can be efficiently transformed to syndrome decoding, the existing general decoding methods are not suitable to solve the system as efficiently as expected from the MQ representation.

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Arminarahmah, Nur, and Muhammad Rasyidan. "PROTOTYPE PENGUKUR KUALITAS UDARA PM10 BERBASIS INTERNET Of THINGS (IoT)." Technologia: Jurnal Ilmiah 9, no. 2 (2018): 101. http://dx.doi.org/10.31602/tji.v9i2.1373.

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Kondisi udara pada lingkungan tempat tinggal sudah mulai tercemar oleh polutan-polutan berupa asap pembakaran lahan, asap rokok, asap kendaraan bermotor serta banyak lagi sumber polutan yang lain.Untuk proses pendeteksian kualitas udara pada dualingkungan yang memiliki perbedaan mobilitas sehingga dapat dibandingkan hasi kwalitas udara pada dua daerah tersebut sehingga perlu dibuat prototype pengukur kwalitas udara yang berfungsi untuk mengukur kwalitas udara berbasis internet of things dan nantinya informasi peringatan kwalitas udara akan disebarkan melalui media sosial yaitu Twitter.Sensor y

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Setiawan, Andri, Didi Yulistio, and Gumono Gumono. "POLA PENALARAN PADA BAGIAN LATAR BELAKANG SKRIPSI MAHASISWA PROGRAM STUDI PETERNAKAN FAKULTAS PERTANIAN UNIVERSITAS BENGKULU TAHUN 2016." Jurnal Ilmiah KORPUS 2, no. 2 (2019): 131–40. http://dx.doi.org/10.33369/jik.v2i2.6514.

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Tujuan Penelitian ini untuk mendeskripsikan pola penalaran pada bagian latar belakang skripsi mahasiswa Program Studi Peternakan Fakultas Pertanian Universitas Bengkulu tahun 2016. Peneliti menggunakan teori Toulmin mencakup enam unsur argumen, yaitu C (claim), pernyataan , G (ground) alasan atau bukti, W (warrant) pendukung, B (backing) pendukung tambahan, M (modal qualifier) kepastian pernyataan atau ukuran klaim, dan R (rebuttal) penyangkalan. Metode penelitian yang digunakan, yaitu deskripsi kualitatif. Data dalam penelitian ini berupa kalimat pada bagian latar belakang skripsi mahasiswa P

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Naimo, Marshall A., and Ja K. Gu. "The Relationship between Resistance Training Frequency and Muscle Quality in Adolescents." International Journal of Environmental Research and Public Health 19, no. 13 (2022): 8099. http://dx.doi.org/10.3390/ijerph19138099.

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Previous research has established the role of resistance training (RT) on muscle function in adolescents, but a lack of evidence to optimize RT for enhancing muscle quality (MQ) exists. This study examined whether RT frequency is associated with MQ in a nationally representative adolescent cohort. A total of 605 adolescents (12–15 year) in NHANES were stratified based on RT frequency. MQ was calculated as combined handgrip strength divided by arm lean mass (via dual-energy X-ray absorptiometry). Analysis of covariance was adjusted for sex, race/ethnicity, and arm fat percentage; p < 0.05 wa

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Fajar Nugraha, Rifki, Fitria Nurul Husna, Sandi Sandi, Amanda Fairuz Syahla, Yogi Aldi Saputra, and Rahmat Hidayat. "Smart Air Quality Guardian: Pengawasan Polusi Udara Berbasis ESP32 dengan Sensor Gas MQ-2 dan MQ-135." Jurnal Komputer dan Elektro Sains 2, no. 2 (2024): 1–7. http://dx.doi.org/10.58291/komets.v2i2.175.

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The campus area of Singaperbangsa Karawang University has increased air pollution levels due to the growth of urban activities. Daily activities such as traffic, construction, and industrial activities are indicators of increased emissions of air pollutants such as PM2.5, carbon monoxide (CO), and volatile organic compounds. The lack of real-time air pollution data can hamper efforts to identify sources of pollution and take appropriate action to reduce air pollution on campus. To overcome this, solutions are needed to reduce sustainable pollutant emissions. The application of the concept of s

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Muhazir, Ahmad, Misbah Misbah, and Rini Puji Astutik. "IDENTIFIKASI PENYAKIT GAGAL GINJAL MELALUI BAU URINE MENGGUNAKAN SENSOR GAS DAN JARINGAN SARAF TIRUAN." E-Link: Jurnal Teknik Elektro dan Informatika 16, no. 1 (2021): 57. http://dx.doi.org/10.30587/e-link.v16i1.2714.

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Penyakit ginjal kronik (PGK) merupakan suatu proses patofisiologi dengan etiologi beragam, mengakibatkan penurunan fungsi ginjal yang progresif dan pada umumnya berakhir dengan gagal ginjal. Penelitian ini bertujuan untuk merancang suatu alat deteksi gagal ginjal yang handal dan ekonomis, dengan mengidentifikasi penderita ginjal kronik (gagal ginjal) melalui kadar urea menggunakan reagen diasetilmonoksim akan diserap oleh urine. Hal itu dapat menimbulkan warna kuning yang mana akan dicek kadarnya dengan spektometer. Metode yang digunakan diawali dengan studi kepustakaan, metode perancangan, me

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Yuchi, Akio, Motoo Shiro, Hiroshi Murakami, Hiroko Wada, and Genkichi Nakagawa. "X-Ray Crystal Structures of Nickel Complexes with 2-Methyl-8-quinolinol, Ni(mq)2(H2O)2and Na3Ni3H6(mq)15·H2O." Bulletin of the Chemical Society of Japan 63, no. 3 (1990): 677–86. http://dx.doi.org/10.1246/bcsj.63.677.

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Zikrullah, Alhadi Putra, Rima Tamara, and Iskandar Fitri. "PROTOTIPE SISTEM MONITORING PENDETEKSI KEBAKARAN MENGGUNAKAN FITUR LOOPING." JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) 7, no. 1 (2022): 224–30. http://dx.doi.org/10.29100/jipi.v7i1.2536.

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Kebakaran merupakan peristiwa yang tidak dikehendaki oleh manusia.Hal ini mengarah kepada pentingnya menjaga suatu ruangan dari bahaya kebakaran yang berakibat fatal,yang mana kejadian ini dapat terjadi tidak mengenal tempat dan waktu, bisa terjadi dimana saja dan kapan saja.Kebakaran dapat mengakibatkan kerugian material atau kerugian korban jiwa.Untuk itu di perlukan alat yang bisa mendeteksi kebarakaran api,asap dan gas.Perancangan alat pendeteksi kebakaran ini adalah rancangan sistem yang terhubung melalui jaringan internet dan dapat memberikan informasi jika terjadi adanya indikasi kebaka

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Liard, Davina J., Cornelis J. Kleverlaan, and Antonín Vlček. "Solvent-Dependent Dynamics of the MQ•→ReIIExcited-State Electron Transfer in [Re(MQ+)(CO)3(dmb)]2+." Inorganic Chemistry 42, no. 24 (2003): 7995–8002. http://dx.doi.org/10.1021/ic0346376.

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Rahman, Mizanur, Swapna Upadhyay, Koustav Ganguly, et al. "Comparable Response Following Exposure to Biodiesel and Diesel Exhaust Partices in Advanced Multicellular Human Lung Models." Toxics 11, no. 6 (2023): 532. http://dx.doi.org/10.3390/toxics11060532.

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Biodiesel is considered to be a sustainable alternative for fossil fuels such as petroleum-based diesel. However, we still lack knowledge about the impact of biodiesel emissions on humans, as airways and lungs are the primary target organs of inhaled toxicants. This study investigated the effect of exhaust particles from well-characterized rapeseed methyl ester (RME) biodiesel exhaust particles (BDEP) and petro-diesel exhaust particles (DEP) on primary bronchial epithelial cells (PBEC) and macrophages (MQ). The advanced multicellular physiologically relevant bronchial mucosa models were develo

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Lyu, Deng-Ping, Jie-Yu Zheng, Quan-Wen Li, et al. "Construction of lanthanide single-molecule magnets with the “magnetic motif” [Dy(MQ)4]−." Inorganic Chemistry Frontiers 4, no. 11 (2017): 1776–82. http://dx.doi.org/10.1039/c7qi00393e.

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[Dy<sub>2</sub>(MQ)<sub>4</sub>(NO<sub>3</sub>)<sub>3</sub>]<sup>+</sup> is SMM-silent (SMM = single-molecule magnet) owing to the unfavourable magnetic interactions. Introducing an additional “magnetic motif” [Dy(MQ)<sub>4</sub>]<sup>−</sup> to diminish such interactions gave a trinuclear [Dy<sub>3</sub>(MQ)<sub>8</sub>(NO<sub>3</sub>)], which behaves as an SMM.

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Asqarov, Azizbek Anvarovich. "THE IMPORTANCE OF THE MQ-2 SENSOR IN FIRE DETECTION." International journal of advanced research in education, technology and management 2, no. 6 (2023): 264–69. https://doi.org/10.5281/zenodo.8049427.

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<em>Fire detection is a crucial safety measure for both residential and industrial settings. Fire can cause serious damage to property and life, and it is important to detect it as early as possible and take appropriate actions. One of the devices that can help in fire detection is the MQ-2 sensor.</em><em>The MQ-2 sensor is an electronic device that is used to detect various types of gases, including hydrogen (H2), liquefied petroleum gas (LPG), methane (CH4), carbon monoxide (CO), alcohol, smoke, and propane</em><em>. It is widely used in both residential and industrial settings to dete

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El Sharazly, Basma M., Abrar Ahmed, Hany M. Elsheikha, and Wayne G. Carter. "An In Silico and In Vitro Assessment of the Neurotoxicity of Mefloquine." Biomedicines 12, no. 3 (2024): 505. http://dx.doi.org/10.3390/biomedicines12030505.

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Mefloquine (MQ) is a quinoline-based anti-malarial drug used for chemoprophylaxis or as a treatment in combination with artesunate. Although MQ has clear anti-Plasmodium falciparum properties, it can induce neurotoxicity and undesired neuropsychiatric side effects in humans. Hence, this study aimed to characterize the neurotoxicity of MQ using human neuroblastoma SH-SY5Y cells. The effects of MQ on neuronal toxicity and cell viability were investigated over a concentration range of 1–100 µM using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and lactate dehydrogenase (LDH)

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Leblanc, Nicolas, Stephen Sproules, Claude Pasquier, Pascale Auban-Senzier, Helene Raffy, and Annie K. Powell. "Approaching the limit of CuII/CuI mixed valency in a CuIBr2–N-methylquinoxalinium hybrid compound." Chemical Communications 51, no. 64 (2015): 12740–43. http://dx.doi.org/10.1039/c5cc04142b.

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We present a novel 1D hybrid salt (MQ)[CuBr<sub>2</sub>]<sub>∞</sub> (MQ = N-methylquinoxalinium) containing less than 0.1% Cu<sup>II</sup> and yet shows properties consistent with a mixed valent structure.

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Teguh. "Sistem Informasi Pendeteksi Asap Rokok Menggunakan Sensor Mq-2 Pada Klinik Berlian Limpung Berbasis Arduino Uno." Jurnal Ilmiah Sistem Informasi 1, no. 2 (2022): 29–38. http://dx.doi.org/10.51903/juisi.v1i2.320.

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Penelitian dengan membangun alat pendeteksi asap rokok menggunakan sensor MQ-2 berbasis Arduino Uno menghasilkan analisis bahwa semakin besar kadar asap rokok yang terdeteksi sensor maka semakin tinggi nilainya. Menggunakan Sensor MQ-2 digunakan untuk mendeteksi kondisi kadar asap rokok pada ruangan bebas asap rokok dimana pada saat sensor berada dibawah nilai ppm < 200 maka kondisi ruangan dalam kondisi normal pada saat sensor mendeteksi ppm antara 200 sampai dengan 300 kondisi ruangan dalam keadaan waspada, sedangkan saat sensor mendeteksi lebih dari 300 kondisi ruangan dalam keadaan baha

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Karimipour, V. "Representations of the quantum matrix algebra Mq,p(2)." Journal of Physics A: Mathematical and General 26, no. 22 (1993): 6277–84. http://dx.doi.org/10.1088/0305-4470/26/22/027.

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Gayo, Jr., William Sobredo, and Jerico Bravo Bacani. "On the Diophantine Equation Mp^x + (Mq + 1)^y = z^2." European Journal of Pure and Applied Mathematics 14, no. 2 (2021): 396–403. http://dx.doi.org/10.29020/nybg.ejpam.v14i2.3948.

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In this paper, we study and solve the exponential Diophantine equation of the formMxp + (Mq + 1)y = z2 for Mersenne primes Mp and Mq and non-negative integers x, y, and z. We use elementary methods, such as the factoring method and the modular arithmetic method, to prove our research results. Several illustrations are presented, as well as cases where solutions to the Diophantine equation do not exist.

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Latupeirissa, Dolpfy, Verna A. Suoth, and Hesky S. Kolibu. "RANCANG BANGUN ALAT UKUR SUHU DAN KADAR ALKOHOL MENGGUNAKAN SENSOR LM35 DAN SENSOR MQ-3." JURNAL ILMIAH SAINS 17, no. 1 (2015): 81. http://dx.doi.org/10.35799/jis.15.2.2015.9221.

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RANCANG BANGUN ALAT UKUR SUHU DAN KADAR ALKOHOLMENGGUNAKAN SENSOR LM35 DAN SENSOR MQ-3ABSTRAK Telah dilakukan penelitian untuk membuat alat ukur suhu dan kadar alkohol menggunakan sensor LM35 dan sensor MQ-3. Sistem akuisisi data alat ukur suhu dan kadar alkohol menggunakan mikrokontroler ATMega8 dan data hasil akuisisi ditampilkan menggunakan LCD 2×16. Alat ukur diuji dan dibandingkan dengan alat ukur standar. Hasil pengujian menunjukkan alat ukur suhu dan kadar alkohol dapat mengukur perubahan suhu dengan akurat dengan nilai NRMSE 0,0028, dan dapat mengukur kadar alkohol untuk alkohol medis

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Kadir, Sukron, and Zakiyah Amalia. "IoT-based Exhaust Gas Emission Detection System for Motorized Vehicle." International Journal of Frontier Technology and Engineering 3, no. 1 (2024): 19–29. https://doi.org/10.33795/ijfte.v3i1.5675.

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The increase in the number of motorized vehicles results in air pollution by emission gases such as carbon dioxide (CO2), carbon monoxide (CO), and hydrocarbons (HC). This causes air quality to decline and threatens public health. This research aims to monitor vehicle emissions using ESP32. MQ-7, MQ-2, and MQ-135 sensors are used to detect exhaust emissions. Detected gas data is sent to the Blynk platform for real-time monitoring, printed using a thermal printer, and stored in Firebase for further analysis. The MQ-7 sensor detects CO, the MQ-2 detects HC, and the MQ-135 detects CO2. The resear

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Rahman, Budi, Frengki Pernando, and Noviar Indriawan. "Sistem Monitoring Kebocoran Gas Dan Api Menggunakan Sensor MQ-2 Dan Flame Sensor Berbasis Android." Journal Sensi 8, no. 2 (2022): 209–22. http://dx.doi.org/10.33050/sensi.v8i2.2429.

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Berkembangnya ilmu pengetahuan teknologi informasi yang pesat saat ini telah memberikanbanyak manfaat pada masyarakat umum. Dengan adanya teknologi informasi akan mempermudahmanusia dalam melakukan segala hal. Perkembangan yang pesat pada teknologi hardware pun terjadipada perkembangan mikrokontroler Nodemcu ESP8266, suatu alat yang mampu mengkomunikasikanantara bahasa pemrograman dengan modul sensor MQ-2, Flame sensor, Buzzer, Water Pump danKipas DC sehingga dapat membantu memberikan informasi yang dibutuhkan. Denganberkembangannya teknologi software maupun hardware tersebut dapat dimanfaatka

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Sumaedi, Ade. "PERANCANGAN SISTEM KEAMANAN PENDETEKSI KEBOCORAN GAS LPG MENGGUNAKAN SENSOR MQ-2 BERBASIS MIKROKONTROLER ARDUINO UNO R3 STUDI KASUS DI RUMAH MAKAN." Infotech: Journal of Technology Information 10, no. 2 (2024): 199–208. https://doi.org/10.37365/jti.v10i2.286.

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This research aims to answer the need for a security system that is capable of detecting LPG gas leaks in restaurants to avoid potential fire and explosion hazards. The system developed uses an MQ-2 gas sensor controlled by an Arduino Uno R3 microcontroller, capable of detecting the presence of LPG gas and providing early warning to restaurant owners. The main objective of this research is to design and implement an effective and efficient safety system in detecting LPG gas leaks, which can provide warnings quickly and accurately to prevent accidents (explosion and fire). The methodology used

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Laksmana, Bisma. "Rancang Bangun Alat Penanganan Dan Pengendalian Kebakaran Berbasis Arduino Nano Dengan Si stem IoT." Teknologi Rekayasa Jaringan Telekomunikasi (TRekRiTel) 1, no. 1 (2021): 1–12. http://dx.doi.org/10.51510/trekritel.v1i1.395.

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This will be very useful for residents of the house to prevent what can cause a fire incident. In the main research, system design will make a fire detector and smoke and gas detector, using 3 Flame Sensors and 3 MQ-2 Sensors. This design concept will be installed in each room which consists of 3 rooms. The microcontroller used in this design system is an Arduino Nano microcontroller which functions as part of the Flame Sensor controller, MQ-2 Sensor, WeMos D1 Mini, Relay, and Buzzer. Furthermore, the system output uses a Flame Sensor which is already in a HIGH state so that it can activate au

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Ade Sumaedi, Irfan Fathoni, Roma Dian Candra Wiralaksana, Nurul Huda, and Ucup. "Pengantar dan Penerapan Teknologi Otomatisasi Untuk Sistem Kendali Kebocoran Gas LPG Berbasis Mikrokontroler Arduino dan Sensor MQ-2 Di SMAN 1 Cikeusal." Abdi Laksana : Jurnal Pengabdian Kepada Masyarakat 6, no. 1 (2025): 142–50. https://doi.org/10.32493/abdilaksana.v6i1.47047.

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Dalam upaya meningkatkan kesadaran serta wawasan mengenai teknologi keselamatan, khususnya terkait potensi kebocoran gas LPG, tim pengabdian masyarakat melaksanakan kegiatan pengenalan teknologi otomatisasi sistem kontrol kebocoran gas LPG di SMAN 1 Cikeusal. Kegiatan ini bertujuan untuk memberikan pemahaman yang komprehensif kepada para siswa tentang pentingnya menjaga keselamatan di lingkungan rumah serta bagaimana pemanfaatan teknologi dapat membantu meningkatkan keamanan. Teknologi yang diperkenalkan dalam kegiatan ini adalah sistem otomatisasi berbasis mikrokontroler Arduino yang dilengka

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Md., Shayan Rana, and Mahmud Shuaib. "A Prototype of Air Substance Quantity Monitoring System Using Internet of Things (IoT)." International Journal of Multidisciplinary Informative Research and Review 2, no. 1 (2022): 59–66. https://doi.org/10.5281/zenodo.7401036.

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<strong>Abstract: </strong>The biggest issue facing the planet now is air pollution. Because harmful chemicals like CO2, SO2, NO2, and CO are released into the atmosphere, the globe is becoming more polluted. These dangerous gases are dissolved in the air and are unpredictable. Consequently, a device is needed to measure the air quality. IoT devices that operate over the internet can be used to monitor air pollution. Devices connected to the Internet of Things (IoT) can gather data and analyze it to make predictions, such as whether the air is of acceptable quality or not. As a result, sensors

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Syahrin, Elvin, Rahmad Doni, and Fitri Pranita Nasution. "Rancang Bangun Alarm Kebocoran Gas Lpg Dengan Sensor MQ-2." Jurnal Sains dan Teknologi (JSIT) 2, no. 1 (2022): 46–52. http://dx.doi.org/10.47233/jsit.v2i1.86.

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In today's human life, both at home and in industry, it is very necessary to have LPG gas to meet daily needs. We know that gas can also have a bad impact, especially if there is no known leak from the LPG gas cylinder or storage area. The cause of this gas cylinder leak could be a leak in the hose, tube or also the regulator that is not installed properly and the gas cylinders that are distributed are of poor quality or physically damaged. This study aims to produce a tool that is an LPG gas cylinder leak alarm using the MQ-2 sensor. The way this tool works is, the Arduino UNO reads the MQ-2

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Susanto, Edi Susanto. "PROTOTYPE SISTEM PENDETEKSI KEBOCORAN GAS LPG BERBASIS ARDUINO UNO." Jurnal Elektro Kontrol (ELKON) 2, no. 1 (2022): 17–27. http://dx.doi.org/10.24176/elkon.v2i1.7375.

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ABSTRAK Gas LPG merupakan salah satu program konversi pemerintah yang menjadi barang kebutuhan rumah tangga modern saat ini. Meskipun gas LPG lebih praktis penggunaanya daripada minyak tanah, tetapi masih memiliki kekurangan yaitu bahaya yang dapat ditimbulkan gas LPG jika terjadi kebocoran gas. Berdasarkan bahaya tersebut maka diperlukan suatu alat yang dapat mendeteksi kebocoran serta tanda peringatan adanya kebocoran. Untuk mendapatkan sistem yang dapat bekerja secara otomatis, maka diperlukan arduino-uno sebagai pengontrol alat tersebut dan menggunakan Sensor Gas MQ-2. Alat ini bekerja pad

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Gültər Nəsibova, Şura Qənbərova, Gültər Nəsibova, Şura Qənbərova, Kamran Kərimli, Zaur Əliyev Kamran Kərimli, Zaur Əliyev, and Lətafət Lətifzadə Lətafət Lətifzadə. "ABŞERON-BALXANYANI ZONASINDA MƏHSULDAR QAT ÇÖKÜNTÜLƏRİNİN QALINLIQ VƏ QUMLULUĞUNUN DƏYİŞMƏ XÜSUSİYYƏTLƏRİ VƏ NEFTQAZLILIĞI." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 40, no. 05 (2024): 64–78. http://dx.doi.org/10.36962/pahtei40052024-64.

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Abşeron-Balxanyanı neftli-qazlı zonasında Pirallahı, Gürgan-dəniz, Xali, Çilov, Cənub, Cənub-2, Həzi Aslanov, Palçıq-Pilpiləsi, Neft Daşları, Günəşli, Çıraq, Azəri və Kəpəz strukturları üzrə tədqiqatlar yerinə yetirilmişdir. Abşeron–Balxanyanı zonasına aid olan sahələrin çökmə qatının kəsilişində Paleogen - Dördüncü dövr çöküntüləri iştirak edir. Bu zonada kəşf olunmuş zəngin neft və qaz yataqları Məhsuldar qatın (Pliosen) alt və üst şöbəsinin lay dəstələri ilə əlaqədardır. Tədqiqat sahəsinin strukturlarında MQ-nin lay dəstələrinin ümumi qalınlıqlarının və qumluluğun dəyişməsi 4 antiklinal zon

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Shin, Kyoung Yoon, Dong Hui Lim, Chan Hee Moon, Byung Jin Kim, and Tae-Young Chung. "Intense pulsed light plus meibomian gland expression versus intense pulsed light alone for meibomian gland dysfunction: A randomized crossover study." PLOS ONE 16, no. 3 (2021): e0246245. http://dx.doi.org/10.1371/journal.pone.0246245.

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Purpose To investigate the comparative efficacy of intense pulsed light (IPL) therapy alone with that of IPL plus meibomian gland expression (MGX) for meibomian gland dysfunction (MGD). Methods This is a prospective randomized crossover clinical trial. Sixty patients were enrolled and randomly assigned to two groups. All of patients underwent four treatment sessions in total, which were two weeks apart. Group 1 underwent two sessions of IPL therapy with MGX, as well as two sessions of IPL alone. Group 2 received two sessions of IPL therapy alone, and two sessions of IPL therapy with MGX. The f

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Almuyasir, Almuyasir, Raihan Putri, and Selamat Meliala. "Desain Sisitem Pendekteksi Api Menggunakan Sistem Sensor Flame dan MQ-2 Berbasis Arduino Uno." JET (Journal of Electrical Technology) 7, no. 3 (2022): 128–31. http://dx.doi.org/10.30743/jet.v7i3.6308.

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Api merupakan suatu zat di perlukan oleh manusia yang dapat dimanfaatkan untuk kebutuhan manusia, terkadang salah penggunaan api dapat menyebabkan kebakaran, oleh karena itu dengan merancang alat yang diberi sistem pendeteksi kebakaran dengan sistem Sensor Flame dan MQ-2 berbasis Arduino Uno”. ini adalah untuk dorongan sebagai peringantan dini terhadat kebakarang yang terjadi kerap kali terjadi tanpa ada peringatan.Desain sistem kebakaran dan memberikan peringatan suara dan bergantung pada mikrokontroler. Perangkat ini memiliki sistem sensor Flame dan MQ-2 sebagai indikator kebakaran, mengguna

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Khalaf, Omar Raad, and Aya A. Almukhtar. "Design and Implementation of Arduino-Based Sterilization Robot." Control Systems and Optimization Letters 1, no. 3 (2023): 181–85. http://dx.doi.org/10.59247/csol.v1i3.62.

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In this paper, the primary objective is to design implement a low-cost mobile robot used for the sterilization and control of toxic and flammable gas leaks in the polluted areas. To implement the proposed robot, we employ a tank robot structure equipped with sensors/modules for detection, sterilization, and environmental analysis. The robot is outfitted with a camera to enhance its surveillance capabilities. For sterilization, we utilize ultraviolet rays emitted by a UV Lamp (220V Sterilizer 8W-T5 Tube) in infested areas. Special sensors are strategically placed to identify gases and viruses i

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Siswaya and Anddini Fitriani. "Implementasi Sensor MQ-2 dan ESP8266 Menggunakan Metode ADDIE untuk Mendeteksi Kebocoran LPG." Jurnal Informatika Komputer, Bisnis dan Manajemen 22, no. 2 (2024): 70–81. https://doi.org/10.61805/fahma.v22i2.135.

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Gas LPG termasuk dalam kategori flammable gas atau gas yang mudah terbakar. Jika terjadi kebocoran atau kesalahan dalam penggunaan, gas dapat menyebabkan kebakaran atau ledakan yang berpotensi merugikan manusia dan lingkungan. Maka diperlukan teknologi yang tepat untuk mengatasi permasalahan tersebut. Alat peringatan dan pendeteksi udara yang terkontaminasi gas adalah alat yang tepat sebagai upaya pencegahan dini, oleh sebab itu dibuatlah proyek tugas akhir yang berjudul “Implementasi sensor MQ-2 dan modul esp8266 untuk mendeteksi kebocoran gas LPG rumah memanfaatkan katup solenoide dengan not

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Guo, Xujing, Xirui Chen, Rui Chen, et al. "Ratiometric Monitoring of Biogenic Amines by a Simple Ammonia-Response Aiegen." Foods 11, no. 7 (2022): 932. http://dx.doi.org/10.3390/foods11070932.

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Herein, we developed a paper-based smart sensing chip for the real-time, visual, and non-destructive monitoring of food freshness using a ratiometric aggregation-induced emission (AIE) luminogen (i.e., H+MQ, protonated 4-(triphenylamine)styryl)quinoxalin-2(1H)-one) as pH sensitive indicators. Upon exposure to amine vapors, the deprotonation of H+MQ occurs and triggers its color change from blue to yellow, with the fluorescence redshift from blue to amaranth. Consequently, we successfully achieved the sensitive detection of ammonia vapors by recording the bimodal color and fluorescence changes.

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Ligier, B., M. J. Breslow, K. Clarkson, H. Raff, and R. J. Traystman. "Adrenal blood flow and secretory effects of adrenergic receptor stimulation." American Journal of Physiology-Heart and Circulatory Physiology 266, no. 1 (1994): H220—H227. http://dx.doi.org/10.1152/ajpheart.1994.266.1.h220.

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To evaluate effects of adrenergic receptor stimulation on regional adrenal blood flow and secretion, pentobarbital-anesthetized dogs (n = 5–6/group) received the beta-agonist isoproterenol (group I), the alpha 1-agonist phenylephrine (group II), or the alpha 2-agonist dexmedetomidine (group III). Measurements of adrenal cortical (CQ) and medullary (MQ) blood flow (radiolabeled microspheres) and catecholamine secretion were made before and during agonist infusion. Isoproterenol increased catecholamine secretion but had no direct effect on MQ or CQ. In contrast, phenylephrine increased MQ and CQ

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Makarim, Fakhri Zaki, and Yenniwarti Rafsyam. "PENGIRIMAN DATA POLUSI UDARA MENGGUNAKAN KOMUNIKASI LONG RANGE (LoRa)." Orbith: Majalah Ilmiah Pengembangan Rekayasa dan Sosial 18, no. 1 (2022): 22–27. https://doi.org/10.32497/orbith.v18i1.3560.

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LoRa adalah sistem telekomunikasi nirkabel yang dapat melakukan komunikasi jarak jauh yang memiliki daya rendah dengan bit-rate yang rendah. Data sensor kualitas udara adalah hasil pemantauan kadar gas karbon monoksida (CO) dan kadar gas karbon dioksida (CO2) oleh sensor MQ-135 dan MQ-7. LoRa end node dapat mengirimkan data polusi udara yang sudah dideteksi oleh sensor tanpa harus menggunakan internet ke LoRa gateway. Sistem dapat diaplikasikan menggunakan jaringan komunikasi LoRa sehingga mampu mengirim data kepada LoRa gatway. Data dapat dikirim dengan baik dalam kondisi LoS dengan jarak ter

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Umar, Nuraeni, Sahbuddin A. K., Lidemar Halide, Maudy Imayanthi Rusjdi, and Ismah Afifah Ijsam. "SENSOR MQ-2 DETEKSI ASAP ROKOK BERBASIS INTERNET OF THINGS." Jurnal Teknologi Elekterika 20, no. 2 (2023): 119. http://dx.doi.org/10.31963/elekterika.v20i2.4637.

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Cigarette smoke contains toxic chemicals such as carbon monoxide (CO), nicotine and tar. The dangerous/poisonous ingredients in cigarettes cause health problems for those who smoke (active smokers) or those who don't smoke (passive smokers). To avoid the accumulation of cigarette smoke in the room, this research was created and carried out to detect cigarette smoke and reduce the levels of cigarette smoke in the room. Fan. will emit cigarette smoke into the room. The results of the detection of cigarette smoke levels will be sent to Labtop. This system was built using an MQ-2 sensor, ESP8266 m

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McDonald, John. "Vector-like quark stabilised Higgs inflation: implications for particle phenomenology, primordial gravitational waves and the Hubble tension." Journal of Cosmology and Astroparticle Physics 2025, no. 03 (2025): 055. https://doi.org/10.1088/1475-7516/2025/03/055.

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Abstract The Standard Model (SM) Higgs potential is likely to be metastable, in which case Higgs Inflation requires an extension of the SM to sufficiently stabilise the Higgs potential. Here we consider stabilisation by adding nQ ≤ 3 Vector-Like Quarks (VLQs) of mass mQ . We consider isosinglet T vector quarks transforming under the SM gauge group as (3, 1, 2/3) and B vector quarks transforming as (3, 1, -1/3). Requiring stability of the finite temperature effective potential after instant reheating, and assuming that the t-quark mass mt equals the mean value of its experimental range, we find

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Di Lauro, L., S. I. Fattoruso, L. Giacinti, P. Vici, D. Sergi, and M. Lopez. "Second-line chemotherapy with FOLFIRI in patients with metastatic gastric cancer (MGC) not previously treated with fluoropyrimidines." Journal of Clinical Oncology 27, no. 15_suppl (2009): 4549. http://dx.doi.org/10.1200/jco.2009.27.15_suppl.4549.

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4549 Background: No established second-line chemotherapy exists for patients (pts) with MGC failing to respond or progressing after first-line chemotherapy. This study was designed to determine the efficacy and safety of FOLFIRI combination used as second-line therapy in pts with MGC not previously treated with regimens containing fluoropyrimidines. Methods: Pts with measurable distant metastases, previously treated with a combination of epirubicin, docetaxel and cisplatin or oxaliplatin as first-line therapy, received irinotecan 180 mg/mq (150 mg/mq in pts >70 ys old) as a 1-h infusion day

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