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All Journal Jurnal Penelitian dan Evaluasi Pendidikan JOURNAL OF COASTAL DEVELOPMENT Jurnal Pendidikan Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Nexus Kedokteran Komunitas Nexus Kedokteran Klinik Nexus Biomedika Nexus Kedokteran Translasional Jurnal EECCIS Jurnal Riset Kimia Jurnal Riset Industri Hasil Hutan Jurnal Pendidikan Kimia Universitas Riau IDEAS: Journal on English Language Teaching and Learning, Linguistics and Literature IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Sriwijaya International Seminar on Energy-Environmental Science and Technology Science and Technology Indonesia Langkawi: Journal of The Association for Arabic and English Adi Widya : Jurnal Pengabdian Masyarakat Indonesian Journal of Education and Learning Jurnal Purifikasi Jurnal Teknik Kimia Jurnal Ilmu Pertanian Tirtayasa Padjadjaran Law Research and Debate Society Jurnal Pengabdian Kepada Masyarakat SRIWIJAYA JOURNAL OF ENVIRONMENT NUSRA: Jurnal Penelitian dan Ilmu Pendidikan Transformasi dan Inovasi : Jurnal Pengabdian Masyarakat Journal Of Research and Education Chemistry (JREC) Smart Society Empowerment Journal Leksema: Jurnal Bahasa dan Sastra Tabsyir: Jurnal Dakwah Dan Sosial Humaniora Jurnal Pengabdian Masyarakat dan Riset Pendidikan International Journal of Educational Evaluation and Policy Analysis Indonesian Journal of Health Research Innovation
Sri Haryati
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The Effect of Granules of Spring Onions Extract (Allium fistulosum L.) to the Mortality of Anopheles aconitus Larvae Riko Saputra; Sri Haryati; Bagus Wicaksono
Nexus Biomedika Vol 4, No 1 (2015): Nexus Biomedika
Publisher : Nexus Biomedika

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Abstract

Background: Nowadays the prevalence of malaria in Indonesia is still high. Anopheles aconitus is one of the vector of malaria. Insecticide is a way which government uses to kill the Anopheles aconitus mosquitoes, but it can cause the resistence of the mosquitoes, because of that we need an alternative way to kill them, and we can use larvacide to kill the Anopheles aconitus larvae. Spring Onion contains substances that can be larvacide, so the researcher wanted to prove that granules of Spring Onions extract had effects to kill the Anopheles aconitus larvae. Methods:This research used laboratory experimental design with post test only control group design. The subject of this research was Anopheles aconitus larvae that were divided into 7 groups, each group contained 25 larvae and the research was repeated in 4 times. For the negative control group we used 100 ml water. The other six groups contained a different number of granules of Spring Onions extract; they were 850 mg, 1000 mg, 1150 mg, 1300 mg, 1450 mg, and 1600 mg. The observation was held after 24 hours, then, the number of dead larvae was counted. The data were analyzed using Linear Regression and Probit test. Results:Linear Regression test showed that the R correlation score was 0.984 and R2 score was 0.969, this meant that the effect of the number of granules of the Spring Onions extract to kill larvaes was 96.9% and the rest 3.1% was effected by the others variables. Probit test showed LC50 (Lethal Concentration) was 820.573 mg and LC99 was 1671.886 mg. Conclusion:There is effect of granules of Spring Onions extract to the mortality of Anopheles aconitus larvae. The LC50 is 820.573 mg and the LC99 is 1671.886 mg, while the effect of the number of granules to influence is R2: 96.9% and the correlation between the number of granules and mortality is R: 0.984. Keyword: granules, Spring Onions extract, Anopheles aconitus larvae, mortality
Efek Antifungi Seduhan Teh Hijau (Camellia sinensis L.) terhadap Pertumbuhan Candida albicans In Vitro Irene Ardiani Pramudya Wardhani; Sri Haryati; Novan Adi Setyawan
Nexus Biomedika Vol 1, No 2 (2012): Nexus Biomedika
Publisher : Nexus Biomedika

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Abstract

Background : Brewed green tea contains antifungal substance such as polyphenol which is considered can inhibit fungal growth. The aim of this research is to determine antifungal effect of brewed green tea (Camellia sinensis L.) against Candida albicans growth In Vitro. Methods : The research was performed as experimental laboratory. The subject of this research were clinical sample of Candida albicans and taken randomly. This research used 7 treatment groups, they were sterilized aquadest as negative control, brewed green tea with concentration of 60%, 70%, 80%, 90% and 100%, also fluconazole 25 g as positive control. This research was repeated four times. The plate was incubated at the temperature of 37C for 48 hours then inhibition diameter zone formed was measured. The data was analyzed by Linier Regression test then continued by Correlation test on IBM Statistics for Windows version 20. Results : The diameter of inhibition zone increased along with increasing concentrations, because higher concentration of brewed green tea contained more substances, and the diameter of concentration of 100% group is almost the same with diameter of positive control group. The results of statistical analysis using Linier Regression test showed that there are significant differences on seven of treatment groups (p < 0,05) and the Correlation test showed that there are close relation between concentration of brewed green tea and the diameter of inhibition zone. Conclusion : Brewed green tea (Camellia sinensis L.) has antifungal effect against Candida albicans growth In Vitro. Start from concentration of 60% up to 100%, there were antifungal effect, and the antifungal effect of concentration of 100% is close to fluconazole 25 g/ml. Keywords : Antifungal Effect, Brewed Green Tea, Candida albicans
The Difference of Efficacy Between Granule Form of Pandan Wangi Leaf (Pandanus amaryllifolius Roxb.) Extract and Abate Against Aedes aegypti L. Dewi Nur Khotimah; Sutartinah Sri Handayani; Sri Haryati
Nexus Kedokteran Translasional Vol 4, No 2 (2015): Nexus Kedokteran Translasional
Publisher : Fakultas Kedokteran Universitas Sebelas Maret Surakarta

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Abstract

Background: Abatisasi is considered quite effective against Aedes aegypti L. as a dengue hemorrhaegic fever vector. Improperly use of abate dose can interfere human health and prolonged use can cause larvae resistance so that need an alternative larvicide. Granule of pandan wangi leaf extract (Pandanus amaryllifolius Roxb.) has a potention to be an alternative larvicide. This study aims to determine the effectiveness differences between pandan wangi leaf extract granule with abate against Aedes aegypti L. Methods: This study uses a quasi-experimental method with the approach posttest only control group design. This study was conducted in September and October 2014 in B2P2VRP Salatiga using the inclusion and exclusion criteria have been determined. The sampling technique used is incidental sampling. The independent variable is abate and pandan wangi leaf extract granule, while the dependent variable is the number of Aedes aegypti L. larvae instar III that be dead. Researcher compare into two different groups, namely pandan wangi leaf extract granule with various concentrations and abate. The data analysis used is One Way ANOVA continuing with LSD test and Probit Analysis. Results: The effectiveness of pandan wangi leaf extract granule is more lower than abate. The result of One Way ANOVA test shows a significance value p <0:01 (p <0.05), which means that there is a significant difference in mortality between the treatment group of larvae and the differences is statistically significant. The result of LSD test shows that abate 1% is significantly different with pandan wangi leaf extract granule 1.5%, 3.5% and 8%, while abate 1% is not significantly different with pandan wangi leaf extract granule 12.5% and 17%. The result of Probit Analysis shows LC50 is 7.007% and LC99 is 94,745%. Conclusions: There is an effectiveness difference between pandan wangi leaf extract granule with abate to against Aedes ageypti L. larvae. Keywords: Aedes aegypti L., pandan wangi leaf extract granule, abate.
Pengaruh Komposisi Material Semikonduktor Dalam Menurunkan Energi Band Gap Terhadap Konversi Gelombang Mikro Mohammad Wahyu Aminullah; Herry Setiawan; Adri Huda; Hazairin Samaulah; Sri Haryati; Muhammad Djoni Bustan
Jurnal EECCIS Vol 13, No 2 (2019)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Uji pengaruh komposisi material semikonduktor yang dilakukan oleh sintesis material menggunakan metode kopresipitasi dengan sintering 1000C selama 1 jam. Variabel tetap dalam proses sintesis material adalah NH4OH (80ml), Temperatur (500C), dan Aquades (500ml), sedangkan variasi variabelnya adalah komposisi material (NaxCuyZnz). Penelitian ini dilakukan untuk melihat pengaruh temperatur material yang digunakan untuk mengukur resistansi mulai dari 30,35, 40, 45, dan 500C. Metode yang digunakan adalah untuk secara langsung menguji pengaruh komposisi material terhadap konversi gelombang mikro. Hasil penelitian menunjukkan bahwa penurunan terkecil pada energi band gap diperoleh dengan menggunakan komposisi material 50% ZnCl2, 25% CuCl2, dan 25% NaCl. Rata-rata penurunan energi band gap karena pengaruh variasi komposisi material semikonduktor  berhasil dari 2,63 menjadi 0,79 eV. Fraksi x, y, dan z dalam material ditentukan dari analisis PMI (ARC-MET 8000) dan analisis Scanning Elektron Microscope (SEM) VEGA 3 TESCAN. Kata kunci: Konversi gelombang mikro, semikonduktor, energi band gap
Ketahanan Membran Komposit Kitosan/ Polisulfon Terhadap pH Maria Erna; Sri Haryati; Roy Naldo; Yeni Fitri Yana
Jurnal Riset Kimia Vol. 2 No. 1 (2008): September
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrk.v2i1.73

Abstract

  ABSTRACT It has been done resistance test of chitosan/polysulfon composite membrane to solvent. The results of research obtained that resistance composite membrane  to pH. This matter is marked with its percentage swelling highest that is 75.48%. This result is also supported by porous photo membrane using SEM that is across-section, up surface and bottom photo showed that happed change porous structure membrane but structure tying membrane can not experiencing of damage.  Keywords: composite membrane, chitosan, percentage of  swelling
PENGGUNAAN MATRIKS PENDUKUNG (SILIKA GEL) PADA TANAMAN KAYU APU (pistia stratiotes. l) SEBAGAI BIOSORBEN UNTUK MENGURANGI TINGKAT PENCEMAR ION TIMBAL (Pb2+) Sri Haryati; Elva Yasmi; Erviyenni -
Jurnal Riset Kimia Vol. 3 No. 2 (2010): March
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrk.v3i2.80

Abstract

 ABSTRACT Problems of environmental became one of problem must be interested by public, One of them was the stain by ion lead (Pb2+). An experiment was conduct about the use of “Kayu Apu” (Pistia Stratiotes. L) as ion Pb2+ adsorbents before and after added supporting matrix (silica gel). This experiment worked with static method. The parameters were examined carefully: pH (2, 4, 6, 8, and 10), concentrate (10, 25, 50, 75, and 100 ppm), and contacted time (15, 30, 45, 60, and 75 minutes). pH, concentrate, and contacted time optimum for “Kayu Apu” before using supporting matrix (silica gel) successively 6, 50 ppm, 30 minute, with the adsorbtion efficiency: 89.16%. Besides, pH, concentrate, and contacted time optimum after using supporting matrix (silica gel) successively 4, 50 ppm, 45 minute, with the adsorbtion efficiency: 97.47%. Biomaterial of “Kayu Apu” has been given supporting matrix (silica gel) more efficiently than without supporter matrixs for adsorbing ion Pb2+.Keywords: pistia Stratiotes. L, biosorbent, silica gel, Pb2+
Penenaman Nilai-Nilai IMTAQ melalui Proses Pembelajaran PPKn di SMA Negeri 1 Imogiri Bantul Sri Haryati
Jurnal Penelitian dan Evaluasi Pendidikan Vol 8, No 1 (2006)
Publisher : Graduate School, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pep.v8i1.2014

Abstract

Tujuan penelitian ini adalah untuk mengungkapkan: (1) usaha guru dalam proses penanaman nilai-nilai imtaq pada pembelajaran PPKn; (2) peranan guru PPKn dalam menanamkan nilai-nilai imtaq dengan pendekatan komprehensif yang meliputi inkulkasi (penanaman nilai) dan pemodelan atau keteladanan nilai; dan (3) cara guru PPKn mengaitkan materi pelajaran dengan mated yang bernafaskan nilai-nilai imtaq dalam pembelajaran PPKn sehingga dapat meningkatkan pengamalan nilai-nilai imtaq oleh siswa. Penelitian ini menggunakan metode kualitatif jenis penelitian tindakan kelas, dengan subjek penelitian seorang guru PPKn dan siswa kelas 1.4 SMA Negeri 1 Imogiri BantuL Instrumen penelitian adalah peneliri sendiri. Data dikumpulkan melalui wawancara, observasi, dan analisis dokumen. Keabsahan data diperoleh melalui trianggulasi, yakni menggunakan sumber data ganda dan teknik pengumpulan data ganda. Analisis data menggunakan model analisis interaktif yang dikembangkan oleh Miles dan Hubermen yang meliputi reduksi data, displai data dan verifikasi (kesimpulan). Hasil penelitian ini mengindikasikan bahwa sebelum dilakukan tindakan, pembelajaran PPKn masih berwujud indoktrinasi, guru masih terlihat menguasai kelas, penggunaan metode kurang bervariasi, metode ceramah menjadi andalan, siswa malas dan pasif, pembelajaran masih mengarah pada aspek kognitif dan kurang menekankan pada aspek afekuf, dan guru kurang menguasai materi yang bernafaskan imtaq. Setelah dilaksanakan tindakan, pembelajaran PPKn menggunakan pendekatan komprehensif, yaitu penanaman nilai dan pemodelan atau keteladanan, pembelajaran menjadi lebih demokratis. Pengaitan materi PPKn dengan nilai-nilai yang bernafaskan imtaq ternyata dapat meningkatkan pengamalan nilai-nilai imtaq pada subjek didik dalam kehidupan sehari-harL Untuk meningkatkan pengamalan nilai-nilai imtaq pada siswa, guru dijadikan sebagai model atau teladan karena guru adalah sebagai sosok yang digugu dan ditiru dalam segala tingkah lakunya yang dijadikan sebagai panutan atau suri teladan yang baik bagi para siswanya. Kata kunci: penanaman nilai imtaq, proses pembelajaran ppkn
THE EFFECT OF DIFFERENT SUBSTITUTION MEALS TO PHYSICAL AND CHEMICAL QUALITY OF INSTANT NOODLES Tri Winarni Agustini; Sri Haryati
JOURNAL OF COASTAL DEVELOPMENT Vol 11, No 1 (2007): Volume 11, Number 1, Year 2007
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

Fishery resources including scadjish (Restrelliger sp.), Small Shrimp (A cetes sp.), and Swimming crab (Portunus pelagicus) have a high nutritional value. It can be processed into meal through several procedures, so the product can be used as a substituted material to create a nutritious instant noodle. The objectives of this research were to study the #ct of jish meals as substituted material with diferent concentration to the physical and chemical quality of instant noodle produced and to find out what the optimal composition also whether there are any interaction of both factors. This research used factorial experimental design based on group random design, consisted of 2 factors: factor A (different fish meals): Scad fish meal (A I), Small shrimp meal (A2) and Swimming crab (Portunus pelagicus) meal (A3); and factor B (d@rent concentration) consisted of 5 level: 0%, 5%, I 0%, 15% and 20%. The analysis used was anabtsis of variance (ANOVA) followed by HSD 5%. The results of this research showed that there was signyicant eyct (P<0, 05) of dmrent fshmeals and concentration to the physical and chemical quality of the product. The type of meal has a signyicant @0t (P<0, 05) to the tensile strength. moisture, ash, protein, fat, and calcium content. Concentration treatment has a signficant eject (P<0,005) to the physical (brightness) and chemical quality, but there was no interaction of treatment to tensile strength, brightness, fat, and co/or of instant noodles (P>0, 005). The optimal compositions of protein rate (I 9, 77%) were achieved by 20% seadfishmeal; fat rate (19,93%) by 20% Small Shrimp meal, and calcium rote (42,525%) by 20% swimming crab meal. The favorite composition for instant noodle was achieved by I 0% swimming crab meal
Peningkatan Aktifitas dan Hasil Belajar Mahasiswa Pendidikan Kimia Melalui Presentasi tugas dengan Sistem Kepala Bernomor Pada Mata Kuliah Kimia Dasar II Elva Yasmi; Sri Haryati
Jurnal Pendidikan Vol 3, No 1 (2012)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (93.278 KB) | DOI: 10.31258/jp.3.1.%p

Abstract

Lecturing activities in the campus should be in the form of student-centeredlearning, in which lecturers as the educators have a role to facilitate the learning activities tobe optimally running. However, the low activity of students has an impact on the learningoutcomes. One of the efforts to improve the students’ activities in learning is byimplementing the task presentation with the numbered-head system. Through this activity, itis expected that the students’ activity in the classroom would significantly improve andwould impact the learning out comes. This research has been applied in two cycles on theeven semester of 2010/2011 in the class of B2 (Non-Regular) Chemistry EducationDepartment. The result of the research showed that there was a significant improvement onstudents’ activities from 68,9 % in the cycle 1 up to 70,3 % in the cycle 2. The impact onstudents’ learning outcomes was also increased, from the average of 46,20 up to 66,47. Thestudents were in the perception of strongly agree (3,34) on the treatment given, therefore, theefforts on improving students’ learning activities and learning outcomes could be achieved.
Ekstrak metanolik biji duwet (Syzygum cumini L. (Skeels) untuk penghambatan kerusakan oksidatif pada emulsi minyak wijen [Methanolic extract of Java plum (Syzygium cumini L. (Skeels) seed to inhibit oxidative damages in sesame seed oil emulsion] Rohadi Rohadi; Dewi Larasati; Sri Haryati
Jurnal Riset Industri Hasil Hutan Vol 13, No 1 (2021)
Publisher : Kementerian Perindustrian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24111/jrihh.v13i1.6729

Abstract

Methanolic extract of Java Plum (Syzygium cumini) seed (MEJS) have strong antioxidant activity by radical scavenging antioxidant-2,2 diphenyl-1-picrylhydrazyl (RSA-DPPH) assay, ferric ion reducing antioxidant power (FRAP), also strong in the inhibition of lipid oxidation in the linoleic acid emulsion system assay, but moderate on striped catfish (Pangasius hypothalamus) oil-in-water emulsions. Antioxidant activity of MEJS is relatively stable on thermal heating by oven until 130 oC/10 minutes, gamma ray’s irradiation up to 12.5 KGy and suitable application on pH 6-9 acidity. MEJS is potential as a natural antioxidant in food system. However, must be carried out further assay the effectiveness of its use in commercial edible oil. The purpose of this research was to analyzed the effect of the addition of MEJS 200-1000 ppm against inhibition of lipid oxidation in an emulsion system. Research methods consisted of sesame seed oil extraction and analyzes of its a fatty acid profile, MEJS applied on sesame seed oil emulsion system to inhibit of lipid oxidation during 3 weeks storage. Assay variables were RSA-DPPH, the peroxide value  (PoV), TBARs value and the free fatty acids (FFA) values changes. The result showed that 35.85% Sesame seed oil yield consisted of 11.62% saturated fatty acids, 6.23 % mono unsaturated fatty acids and 85.95% poly unsaturated fatty acids. Applied of MEJS (200-1000 ppm) could increase of DPPH• radical scavenging stronger than both BHT 200 ppm and the control (sesame seed oil bulky), but didn’t correlative impact with inhibition autoxidation on it. Applied MEJS > 800 ppm comparable with BHT 200 ppm. MEJS as a natural antioxidant is not appropriate to apply for the oil in water of emulsion system.
Co-Authors Abdullah Abdullah Adella Kamala Sari - Adellina Tentri Yulhan Aditya Eka Septiriana Adri Huda Afifah Syifa Khairunnisa Amanda Putri Ramadhani Anggie Septia Rini Arsyisyah Aryo Seno Asmadi M.Noer Aulia Augustha Auxana Qudsi Avamira Rosita Pranoto Azizah, Vanya Maulidia BAGUS WICAKSONO Bambang Sukilarso Bambang Sukilarso Sakiman Betti Holiwarni Betty Holiwarni Budhi Kuswan Dewi Cahyaningrum Dewi Larasati Dewi Nur Khotimah Dewi Rochsantiningsih Diah Permata Suci Edhi suryanto Elisabeth Dea Resitarani Ellisa Indriyani Putri Handayani Elsa Candra Rafsyanjani Elva Yasmi Elva Yasmi Amran Endang Listyaningsih S Endang Listyaningsih Suparyanti Erviyenni &#039; Erviyenni - Erviyenni Erviyenni Fauzia Rahmi Fitria Purnama Sari Gagat Ragil Andaru P Hasnul Habiba Hazairin Samaulah Heny Juniar Herdini , Herdini Herry Setiawan Hidayati, Diyah Nur Humaidatul Fikriah Irene Ardiani Pramudya Wardhani Johni Azmi Jumaida &#039; Kartina AM Kasori Mujahid Lenny Anwar Lilik Wijayanti Lisa Asparia Mardwita, Mardwita Maria Erna Mesy Witari Metta Wijayanti Meuthia Kartika Putri Miftahnur Hasanah Mita Fresandi Moh. Wahyu Aminullah Muhammad Djoni Bustan Muhammad Faizal Muhammad Hendri Nuryadi Muhammad Said Muhammad Yani Nadira As&#039;ad Ngadiso Niffi Nedia Sari Novan Adi Setyawan Novia Cristi Br Pasaribu Nur Arifah Drajati Nur Latiffahni Nurlini Eka Putri Nurul Hanifah Nurul Hasanah Pritami . Puteri Kusuma Wardhani Putri Adita Wulandari Putri Ayang Alika R. Usman Rery R.Usman Rery Raffica Zahara Raharjo Raharjo Rasmiwetti Rasmiwetti &#039; Riko Saputra rini triastuti Risfidian Mohadi Risya Cilmiaty Arief Riswiyanto Riyadhatul Jannah Rizkha Fatma Sari Rohadi Rohadi Rosye Destiana Nurjannati Roy Naldo Roza Linda Sepra Pajar Septia, Fatimah Shyiba Yunia Aliffah Sigit Setyawan Siswanto Siswanto Siti Marufah Sri Puji Rohmiatin Sri Sarwanti Sri Wilda Albeta Sugeng Purnomo Sukarno Sukarno Sukarno Sukarno Surya Agung Wijaya Susilawati &#039; Susilawati Susilawati Sutartinah Sri Handayani Tiara Armita Tri Winarni Agustini Tyarakanita Usman Rery Victoria Husadani Permata Sari Vivin Desvionita Widia Susanti wijianto wijianto Yeni Fitri Yana Yessy Asnovida Amri Yudi L.A Salampessy Yulia Sari Yulia Sari Yuni Safitri Yusi Tri Hastuti Yusup Subagio Sutanto Zakka Zayd Zhullatullah Jayadisastra