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Uji Daya Hambat Ekstrak Etanol Daun Kersen (Muntingia Calabura Linn) terhadap Bakteri Gram Negatif (Eschericia Coli) dan Bakteri Gram Positif (Staphylococcus Aureus) R, L. Alif Akbar; Andriana, Ana; Herlinawati, Herlinawati
MAHESA : Malahayati Health Student Journal Vol 4, No 10 (2024): Volume 4 Nomor 10 (2024)
Publisher : Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/mahesa.v4i10.15727

Abstract

ABSTRACT Infectious diseases are a global health problem, especially in developing countries because they can cause morbidity and death rates that are quite high in a fairly short period of time. According to the World Health Organization (2017) low-income countries are at risk of having a high mortality rate due to Human Immunodeficiency Virus infection, Tuberculosis and malaria as well as other infectious diseases. Based on data from the Statistics agency (2021), West Nusa Tenggara Province obtained 1,125,608 cases of infectious diseases. Bacteria that can cause infectious diseases in humans are Escherichia coli and Staphylococcus aureus. This study aims to measure the inhibition zone of ethanol extract of kersen leaves (Muntingia calabura Linn) against the growth of gram-negative bacteria Escherichia coli and gram-positive bacteria Staphylocococcus aureus. The method used in this study was Kirby Bauer's well to see the effects of kersen leaf ethanol extract (Muntingia calabura Linn) Conducted in a Complete Randomized Design (RAL) with 6 treatment groups on each bacterium using concentrations of 25%, 50%, 75%, and 100%, with the positive control group Ciprofloxcacin and the negative control group Aquadest. The results of the Kruskall-wallis statistical test showed that concentrations of 25%, 50%, 75%, and 100% had no effect in inhibiting the growth of gram-negative bacteria Escherichia coli with P-value = 1,000. The results of the Kruskall-wallis statistical test showed that concentrations of 25%, 50%, 75%, and 100% were influential in inhibiting the growth of gram-positive bacteria Staphylococcus aureus with P-value = 000.1.  Keywords: Extract, Muntingia Calabura Linn, Antibacterial, Escherichia Coli, Staphylococcus Aureus  ABSTRAK Penyakit infeksi menjadi permasalahan kesehatan global terutama di negara berkembang karena dapat menimbulkan angka kesakitan dan angka kematian yang cukup tinggi dalam kurun waktu yang cukup singkat. Menurut Organisasi Kesehatan Dunia (2017) negara berpendapatan rendah beresiko memiliki angka kematian yang tinggi akibat infeksi Human Immunodeficiency Virus, Tuberkulosis dan malaria serta penyakit menular lainnya. Berdasarkan data badan Statistik (2021) Provinsi Nusa Tenggara barat diperoleh 1.125.608 kasus penyakit infeksi. Bakteri yang dapat menyebabkan penyakit infeksi pada manusia adalah Escherichia coli dan Staphylococcus aureus. Penelitian ini bertujuan untuk  mengukur zona hambat ekstrak etanol daun kersen (Muntingia calabura Linn) terhadap pertumbuhan bakteri gram negatif Escherichia coli dan bakteri gram positif Staphylocococcus aureus. Metode yang digunakan dalam penelitian ini adalah sumuran Kirby Bauer untuk melihat efek dari esktrak etanol daun kersen (Muntingia calabura Linn) Dilakukan Rancangan Acak Lengkap (RAL) dengan 6 kelompok perlakuan pada tiap bakteri menggunakan konsentrasi 25%, 50%, 75%, dan 100%, dengan kelompok kontrol positif antibiotik Ciprofloxcacin dan kelompok kontrol negatif Aquadest. Hasil uji statistik Kruskall-wallis menunjukkan bahwa konsentrasi 25%, 50%, 75%, dan 100% tidak berpengaruh dalam menghambat pertumbuhan bakteri gram negatif Escherichia coli dengan P-value =1.000. Hasil uji statistik Kruskall-wallis menunjukkan bahwa  konsentrasi 25%, 50%, 75%, dan 100% berpengaruh dalam menghambat pertumbuhan bakteri gram positif Staphylococcus aureus   dengan   P-value = 000.1. Kata Kunci: Ekstrak, Muntingia Calabura Linn, Antibakteri, Escherichia Coli,  Staphylococcus Aureus
PENENTUAN JARAK OBJEK PENGHALANG MENGGUNAKAN METODE PERHITUNGAN JARAK PIKSEL DARI HISTOGRAM PROYEKSI BERPANDUAN LASER GARIS Wicaksono, Ageng; Setyawan, F. X. Arinto; Herlinawati, Herlinawati
Jurnal Informatika dan Teknik Elektro Terapan Vol. 10 No. 3 (2022)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v10i3.2638

Abstract

The rapid advancement of digital image processing technology is expected to facilitate human life in various aspects of life. This study aims to detect and determine the distance of a barrier object based on the detection of lines emitted by a line laser light beam using the Matlab programming language with the pixel distance calculation method. The pixel distance calculation method is used to detect lines in an image that is processed by looking at the consistency of the laser lines. This study uses a box as an object to determine the presence of obstructions from an image captured by a camera. In this study, the parameters of distance, camera angle, and line laser angle are used. Research data collection was carried out in the afternoon in a closed room with a light intensity of 10 lux. An object can be said to be a barrier if in an image there is a laser line that is broken or not at the same pixel position. However, if in an image there are consistent lines or no line changes, then the image can be said to have no barriers. Based on the evaluation of the distance accuracy calculation with data collection, it can actually be concluded that the distance accuracy when taking data is above 85%.
Adsorbent Preparation From Rice Husks Coated With Nanochitosan From Crab Shells Lubis, Arinda Budiarti; Herlinawati, Herlinawati
Indonesian Journal of Chemical Science and Technology (IJCST) Vol. 7 No. 2 (2024): JULY 2024
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v7i2.62258

Abstract

Rice husks are a waste that is often found, containing 50% cellulose and 25-30% lignin so it has the potential to be used as an absorbent material. Therefore, rice husks can be used to make active carbon. The carbon activation process using HCl is preferred because compared to other acids, carbon activated with HCl shows better adsorption capacity. Chitosan comes from chitin found in crustaceans such as crabs. The crab shells are then processed to obtain chitosan. This research aims to produce rice husk adsorbent coated with nanochitosan from crab shells. Characterization in this study used FTIR which showed the presence of N-H groups as a characteristic of chitosan at a wavelength of 3354.42 cm-1. PSA analysis shows nano-sized chitosan with a size of 58.15 nm. Coating rice husk activated carbon with crab shell chitosan has produced a suitable adsorbent and can be used for further testing..
PENERAPAN MEDIA PEMBELAJARAN WORDWALL TERHADAP PENINGKATAN HASIL BELAJAR SISWA PADA MATA PELAJARAN MATEMATIKA Herlinawati, Herlinawati; Sheryl Mutiara Putri
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 3 (2025): Volume 10 No3 September, 2025
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i3.32176

Abstract

Elementary school students' difficulties in understanding mathematics are often exacerbated by the minimal use of interactive learning media. The use of media such as Wordwall, which combines educational games, is considered to be able to increase student engagement and support a more enjoyable learning process. This study aims to determine the effect of Wordwall on improving elementary school students' mathematics learning outcomes. The method used is a qualitative literature review with the PRISMA approach. From the results of searching 100 articles, 18 articles were selected that met the criteria: relevant to mathematics learning in elementary school, published in scientific journals in the last five years, and focused on the use of Wordwall. The results of the study showed that Wordwall was effective in improving elementary school students' understanding of concepts and mathematics learning outcomes. Thus, Wordwall can be an appropriate alternative media to support interactive and meaningful mathematics learning in elementary school.
Hubungan Sanitasi Lingkungan Dengan Kejadian Demam Berdarah Dengue di Rumah Sakit Tingkat II Iskandar Muda Banda Aceh Herlinawati, Herlinawati; Husna, Asmaul
JOURNAL OF HEALTHCARE TECHNOLOGY AND MEDICINE Vol 9, No 2 (2023): Oktober 2023
Publisher : Universitas Ubudiyah Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33143/jhtm.v9i2.3341

Abstract

Menurut Word Health Organization (WHO), dilaporkan sebanyak 390 juta demam dengue dengan 96 juta setiap tahunnya dilaporkan mengalami manifestasi klinis DBD. Kasus DBD naik setiap tahun dimana terjadi kenaikan 8 kali lebih banyak dalam 20 tahun terakhir dengan 505.430 kasus di tahun 2000 jadi 4,2 juta kasus di tahun 2019. Kematian akibat penyakit ini juga meningkat 4 kali lipat dari tahun 2015 dengan 960 kematian menjadi 4.032 kematian pada tahun 2019. Penelitian ini termasuk jenis penelitian survei analitik dengan pendekatan cross sectional. Penelitian ini telah dilakukan di Rumah Sakit Tingkat II Iskandar Muda Banda Aceh pada tanggal 14 Agutus - 18 Agustus tahun 2023. Populasi dalam penelitian ini adalah seluruh pasien di poli penyakit dalam sebanyak 503 orang. Adapun teknik yang digunakan dalam pengambilan sampel adalah secara accidental sampling sehingga sampel dalam penelitian ini sebanyak 35 orang. Analisa data dalam penelitian ini yaitu analisa univariat dan bivariat dengan menggunakan uji statistik chi square. hasil penelitian peneliti terhadap 35 responden, didapatkan p-value = 0,010 artinya nilai α = < 0,05 sehingga ada hubungan sanitasi lingkungan dengan kejadian demam berdarah deungue pada pasien di poli Rumah Sakit Tingkat II Iskandar Muda Banda Aceh. Diharapakn kepada seluruh masyarakat dengan diketahuinya faktor-faktor yang mempengaruhi kejadian DBD akan menjadi masukan bagi masyarakat, sehingga dapat diambil langkah-langkah yang tepat untuk meningkatkan Derajat kesehatan dan terbebas dari penyakit DBD.Kata kunci: Sanitasi lingkungan, Demam Berdarah DengueAccording to the World Health Organization (WHO), as many as 390 million dengue fevers are reported, with 96 million each year reported to experience clinical manifestations of dengue fever. DHF cases increase every year, with an increase of 8 times more in the last 20 years with 505,430 cases in 2000 to 4.2 million cases in 2019. Deaths from this disease also increased 4 times from 2015 with 960 deaths to 4,032 deaths. in 2019. This research is an analytical survey research type with a crosssectional approach. This research was conducted at the Iskandar Muda Level II Hospital in Banda Aceh on 14 August - 18 August 2023. The population in this study was all 503 patients in the internal medicine clinic. The technique used in sampling was accidental sampling so that the sample in this study was 35 people. Data analysis in this research is univariate and bivariate analysis using the chi square statistical test. The results of the researcher's research on 35 respondents, obtained p-value = 0.010, meaning the α value = <0.05, so there is a relationship between environmental sanitation and the incidence of deungue hemorrhagic fever in patients at the Iskandar Muda Level II Hospital Polyclinic in Banda Aceh. It is hoped that the entire community by knowing the factors that influence the incidence of dengue fever will provide input for the community, so that appropriate steps can be taken to improve the level of health and be free from dengue fever.Keywords: Environmental sanitation, Dengue Hemorrhagic Fever
Workshop on Using Technology Applications as a Learning Media for MTs Al-Ittihad Pekanbaru Teachers: Workshop Penggunaan Aplikasi Teknologi Sebagai Media Pembelajaran Bagi Guru MTs Al-Ittihad Pekanbaru Marwa*, Marwa; Herlinawati, Herlinawati; Awal, Raudhah; Safitri, Yona Dwi Tirta; Mutia, Jul Prima; Saputra, Novriandi Eka
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 8 No. 2 (2024): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v8i2.16319

Abstract

The workshop on using technology applications as a learning medium for MTs Al-Ittihad teachers was based on the problem identified by the Postgraduate School Faculty service team, Universitas Lancang Kuning, namely the lack of knowledge about digital literacy in contemporary learning. For this reason, training in using technology applications in learning should be provided. This workshop was held in May 2023 at MTs Al-Ittihad School with 20 participants for 4 hours. To measure the level of teacher understanding, the service team provided questionnaires in the sessions before and after activities. The results of the pre-test regarding the use of technology applications namely ChatGPT, Vocaroo, and Tricider, showed that 93% -100% of the participants did not know about these technology applications. However, after the training was given, the results of the post test showed that 100% of the participants understood and could use the learning technology applications provided. Finally, the service team concluded that teachers really need knowledge about ICT empowerment in order to improve the achievement of learning outcomes. Workshop penggunaan aplikasi teknologi sebagai media pembelajaran bagi guru MTs Al-Ittihad ini dilaksanakan berdasarkan masalah yang diidentifikasi oleh tim pengabdian Fakultas Sekolah Pascasarjana Universitas Lancang Kuning yaitu kurangnya pengetahuan tentang literasi digital dalam pembelajaran kekinian. Untuk itu, pelatihan menggunakan aplikasi teknologi dalam pembelajaran diberikan. Kegiatan workshop ini dilaksanakan pada bulan Mei 2023 di Sekolah MTs Al- Ittihad dengan 20 peserta selama 4 jam. Untuk mengukur tingkat pemahaman guru pada kegiatan pelatihan ini, tim pelaksana pengabdian memberikan angket pada sesi sebelum dan sesudah kegiatan workshop. Hasil angket pre-test dari penggunaan aplikasi teknologi sebagai media pembelajaran yaitu ChatGPT, Vocaroo, dan Tricider yang diberikan menunjukkan 93%-100% dari peserta belum mengetahui aplikasi teknologi tersebut. Namun, setelah pelatihan diberikan, hasil angket post test menunjukkan 100% peserta memahami dan dapat menggunakan aplikasi teknologi pembelajaran yang diberikan. Akhirnya, tim pengabdian menyimpulkan bahwa guru-guru memang memerlukan pengetahuan tentang pemberdayaan TIK dalam rangka meningkatkan pencapaian hasil belajar.
Pengembangan Media Pembelajaran Lectora Inspire Berbasis Pendekatan Contextual Teaching and Learning (CTL) pada Materi Asam Basa Mardhatillah, Mardhatillah; Herlinawati, Herlinawati
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 5 No. 4 (2025): October (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v5i4.727

Abstract

Mastery of learning media by educators is an important element in the learning process, because learning media can increase interest, curiosity, and motivation to learn. This study aims to determine the feasibility and response of students to Lectora Inspire learning media based on the Contextual Teaching and Learning (CTL) approach on acid-base materials. A type of R&D (Research and Development) research with a 4D (Define, Design, Develop, and Disseminate) development model. The instruments used were in the form of material and media feasibility assessment sheets, student response questionnaires using the Likert scale. The research subjects consisted of 3 lecturers of Chemistry Education at the State University of Medan, 2 chemistry teachers of SMA S Pertiwi Medan, and 15 students of SMA S Pertiwi Medan, and the object of the research was Lectora Inspire learning media based on the Contextual Teaching and Learning (CTL) approach on acid-base materials. Data collection techniques used interviews, literature studies, and questionnaires. The results of the material feasibility test were obtained with a percentage of 88.5% and media feasibility was obtained with a percentage of 91.3% which had the criteria of "very feasible". In addition, the response of students showed a percentage of 85.5% with the criterion of "very interesting". Based on the results of the research, Lectora Inspire learning media based on the Contextual Teaching and Learning (CTL) approach on acid-base material is very suitable for use in learning in schools, and helps students understand the material by contextually relating the understanding of acid-base concepts.
Co-Authors Abdurahman Abdurrahman Ade Kurniawan Adolf Bastian Agus Kembaren Ahmad Yusuf Alforqi, Alforqi Anafri, Puspita Winda Andriana, Ana Angga Adnyana, I Gede Anggraini, Nursela Arifin Noor Asyikin, Arifin Noor Ariyanto, Suwondo Asiah Asiah Asmaul Husna Asmawati Asrifan, Andi Dahlia Dahlia Dermana, Kadek Diah Ari Wulan Dharmawibawa, Iwan Doddy Distiani, Dewi Mayang Dyah Wulandari Effendi, M. Iqbal Emailijati, Kartika Endah Wiji Lestari Ety Sofia Ramadhan Faris, Mohammad Al Fayruz, Nafila Fildzah, Qisthina Firmansyah Firmansyah Fuad Sholihin Guswita, Reni Hamsar, Adriana Hasibuan, Syahril Hastina, Sri Hendri Marhadi Herawati, Cucu Hermawati, Resna Herpratiwi Herpratiw Hidayat, Abas Hidayati, Diani Sri Hidayatullah Hidayatullah Ibrahim Ibrahim Ida Ayu Made Mahayani Ida Ayu Putu Sri Widnyani Ida Hastuti, Ida Indina Tarjiah Indrasary, Younie Isnawati , Uzlifatul Masruroh Jannah, Dina Raodatul Junaidi Junaidi Junifa Layla Sihombing, Junifa Layla Junita, Weni Kadek Wini Mardewi, Kadek Wini Kristanti, Iin Kurniasih, Uun Kusnandar, Enan Kusumaning Ayu, Ratu Tsamarah Leliyanah Leliyanah, Leliyanah Lestari, Novianti Anggie Lilis Banowati Lisepta, Citra Lubis, Arinda Budiarti M Firdaus M. Firdaus M. Helmy Noor Mahmud Alpusari Marasabessy, Rosida Marbun, Intan Monika Mardhatillah, Mardhatillah Marwa*, Marwa Marwa, Marwa Mashudi Mashudi Meliani, Lisah Muhammad Kristiawan Muhdi Muhdi Muslimin Muslimin Musyarrafah, Musyarrafah Mutia, Jul Prima Muzeliati, Muzeliati Nabila, Rahma Igta Nafi, Muhammad Nashrulloh Kartika MR, Galuh Ngena Ria Noor, Hasni Nugroho, Agus Setiyo Budi Nur Arofah, Nur Nurfaisal, Nurfaisal Nurhamidah Nurjannah, Laili Nurliana Nasution, Nurliana Nurul amin, Nurul Nurwahidin, Muhammad Pamungkas, Kun Nursyaiful Priyo Panjaitan, Angel Shilvya Pratiwi, Margarett Henni Priyowidodo, Agustinus Putra, Imam Syahrul Fatoni Putri, Septya R, L. Alif Akbar R.A Murti Kusuma Wirasti Rahayu, Susi Tri Rahimi Fitri, Rahimi Rahmat Hakim, Budi Rahmawaty, El Kamty Yamareta Rangga Firdaus Raudhah Awal Rohaendi, Nendi Ronanarasafa, Ronanarasafa Saberan Safitri, Yona Dwi Tirta Safrini, Safrini Saputra, Novriandi Eka Saragih, Aminah Br. Setiawan, Iwan Fahlevi Setyawan, F. X. Arinto Sheryl Mutiara Putri Simanjuntak, Suryani Sirait, Healthy Seventina Sitepu, Deri Salsalina Br Siti Kustini, Siti Sitorus, Westy Natasya Sofyana, Nova Rindani Sri Purwiyanti Sri Ratna Sulistiyanti Sri Utami Subandi Subandi SUCIKA ARMIANI, SUCIKA Sugihati, Yuni Sunari, Ida Ayu Rati Surasmaji, Lalu Irawan Suryadiwansa Harun Syahdan Syahdan, Syahdan Syahidi, Aulia Akhrian Syaifullah Syaifullah Tahang, Heriyanti Tarigan, Pasion Tumilah, Tumilah Wahyudi Saputra Wahyudi Wahyudi Wahyuningtyas, Miranda Gita Wanadiatri, Halia Wanti, Anika Wanvy Arifha Saputra Wicaksono, Ageng Widianto, Triyana Yoenie Indrasary Yogi Yunefri, Yogi Yudar, Ratih Saltri Yulistiyana, Laili Nurjannah Zul Azhar