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All Journal Bioscience Bioeducation Journal Pendidikan Biologi Jurnal Biologi dan Pembelajarannya (JBP) Jurnal Pembangunan dan Alam Lestari SEMIRATA 2015 BIO-SITE |BIOLOGI Sains Terapan Eksakta : Berkala Ilmiah Bidang MIPA Atrium Pendidikan Biologi Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat Sainstek : Jurnal Sains dan Teknologi BERNAS: Jurnal Pengabdian Kepada Masyarakat BIOCHEPHY: Journal of Science Education Jurnal Serambi Biologi

Mades Fifendy

Universitas Negeri Padang

Author-ID : 266091

Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences Veterinary Other

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Pengembangan Handout Berbasis Kontekstual Disertai Peta Konsep Pada Materi Bahan Kimia Dalam Kehidupan Untuk Siswa SMP Muharti, Sisri; Fifendy, Mades; Susanti, Diana
Pendidikan Biologi Vol 1, No 1 (2014)
Publisher : STKIP PGRI Sumbar

Show Abstract | Download Original | Original Source | Check in Google Scholar

Â Handout is written material that prepared by teacher for students. The teacher can make handout by some literatures that have relevance from basic competence that will be achieve by students.Â Â Based on researcher observation and interview with teacher who teaches biology at SMPN 2 Lembah Gumanti, learning process had used handout but it is still not interested because there is only theory without contextual picture and also not enough sources. Then, based on interview to students, the researcher found that not all of students have handout. Next, the aim of this research is to produce a handout that contextual principle and have mapping on chemicals material in life that valid and practice. The type of this research is development research by procedural model that have a purpose to produce a product. The product will be developed by three steps of four D Models. They are defined, designed, and developed. The first step (define) is consist of curriculum analysis and students analysis. The second step (design) is done handout designed that contextual principle by using mapping on chemical material in life for junior high school students. Then, the third step (developed) is done validity test by two lecturers and two teachers at SMPN 2 Lembah Gumanti. Then, practicalities test by two teachers and twenty two students of SMPN 2 Lembah Gumanti. The data analyzed by using presentence technique and descriptively. The result of validity test is indicated that the handout is valid by criterion 88,8% viewed by didactic aspect, construction, and technique. Then, the result of practicalities handout test by teacher is very practice with criterion 90,8% meanwhile practicalities handout test by students with criterion 85,9%. In conclusion, the researcher found that handout made by teacher is valid and practice.

PENAMBAHAN GLISEROL PADA BAHAN PEMBAWA ALGINAT SEBAGAI PENSTABIL PERTUMBUHAN BAKTERI PSEUDOMONAS BERFLUORESEN Khairatul InÃ¢Â€Â™am, Linda Advinda, Mades Fifendy,
SEMIRATA 2015 Prosiding Bidang Biologi
Publisher : SEMIRATA 2015

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (10.946 KB)

Pseudomonas berfluoresen adalah kelompok bakteri rhizobakteria yang dapat digunakan sebagai pengendali penyakit tanaman.Bakteri ini dapat diformula dalam bahan pembawa alginat agar dapat disimpan lama dalam jumlah yang banyak dan mudah diaplikasikan.Tujuan penelitian untuk mengetahui pengaruh penambahan gliserol dalam bahan pembawa alginat terhadap viabilitas Pseudomonas berfluoresen.Rancangan penelitian Acak Lengkap dengan 6 perlakuan dan 4 ulangan. Perlakuan yang diberikan adalah A = tanpa gliserol, B = gliserol 0,01 mL, C = gliserol 0,02 mL, D = gliserol 0,03 mL, E = gliserol 0,04 mL, F = gliserol 0,05 mL. Viabilitas Pseudomonas berfluoresen diamati dengan menghitung jumlah bakteri pada masa inkubasi 14 hari, 28 hari, 42 hari, dan 56 hari.Data dianalisis dengan ANOVA dan uji lanjut DNMRT pada taraf nyata 5%. Hasil penelitian menunjukkan penambahan gliserol mempengaruhi viabilitas Pseudomonas berfluoresen dalam bahan pembawa alginat pada 14 hari, 28 hari dan 42 hari masa inkubasi. Pseudomonas berfluoresen paling stabil terdapat pada perlakuan C (gliserol 0,02 mL) pada masa inkubasi 42 hari. Kata kunci: Pseudomonas berfluoresen, gliserol, alginat

POTENSI PSEUDOMONAD FLUORESEN ISOLAT CAS3 PADA BEBERAPA FORMULA DENGAN PENAMBAHAN STABILIZER GLISEROL DALAM MENGENDALIKAN BLOOD DISEASE BACTERIA (BDB) SECARA INVITRO Advinda, Linda; Fifendy, Mades; Rahmadeni, Yossi
Sainstek : Jurnal Sains dan Teknologi Vol 6, No 2 (2014)
Publisher : IAIN Batusangkar

The purpose of this study was to determine the potential of fluorescent pseudomonads on some carrier with the addition of stabilizer glycerol in controlling Blood Disease Bacteria invitro. The experiment was conducted from May to July 2013, housed in the Laboratory of Plant Physiology, FMIPA UNP. Parameters measured were the amount of inhibition zone diameter fluorescent pseudomonads in controlling BDB CAS3 invitro. Observations preservation is done every 10 days until a preservation period of 60 days. This study is an experiment in completely randomized design (CRD) with 9 treatments and 3 replications. The treatments were fluorescent pseudomonads carrier CAS3 on tapioca (glycerol addition of 0,03 mL, 0,04 mL and 0,05 mL); carrier CAS3 fluorescent pseudomonads in rice flour (glycerol addition of 0,03 mL, 0,04 mL and 0,05 mL); carrier CAS3 fluorescent pseudomonads on talc (glycerol addition of 0,03 mL, 0,04 mL and 0,05 mL). Inhibition zone diameter data were analyzed using ANOVA at 5% significance level and continued with DNMRT test at 5% significance level. The results showed that the large inhibitory zone formed around the Blood Disease Bacteria vary. Results of analysis of variance on the preservation period of 10 days was significantly different at DNMRT further test, with the largest inhibition zone that is in treatment F (6,41mm) and the lowest in treatment I (1.15mm), whereas the preservation period of 20 to 60 days is not significantly different. All types of fluorescent pseudomonads carrier Cas3 potential in controlling Blood Disease Bacteria invitro.Key words : pseudomonad fluoresen, Blood Disease Bacteria, Glycerol

DAYA HAMBAT SARI TANAMAN OBAT TERHADAP PERTUMBUHAN BAKTERI STRAIN Methicillin Resistant Staphylococcus aureus (MRSA) Fifendy, Mades; Febrianti, Rhini; Putri, Dwi Hilda
Sainstek : Jurnal Sains dan Teknologi Vol 2, No 2 (2010)
Publisher : IAIN Batusangkar

Staphylococcus aureus infection can be treated with Methicilin, ? lactam class of antibiotics that have drug targets in the cell wall. Bacteria S. aureus that is resistant to methicillin called methicillin-resistant Staphylococcus aureus (MRSA). One alternative that can be used in strains of antibiotic-resistant bacteria that have this is to use medicinal plants. This study aimed to know the ability of medicinal plant extracts inhibit the growth of bacterial strains of MRSA. This kind of research is experimental research. Medicinal plants tested were Garlic, Turmeric, Aloe Vera, Daun Salam, Curcuma, Ginger, Betel Leaf and Alpinia galanga. As a control, which is used Amphicillin, ? lactam antibiotic class. The method used to determine the diameter of inhibition area of medicinal plant extracts is paper diffusion method. The results showed that all medicinal plants can inhibit bacterial growth of MRSA strains characterized by the inhibition zone formed on each treatment. The ability of garlic and turmeric extract better than Amphicillin and other medicinal plants to inhibit bacterial growth of MRSA strains.Kata kunci: inhibit, growth, bacteria, methicillin resistant staphylococcus aureus (MRSA)

PENGARUH PENAMBAHAN TOUGE SEBAGAI SUMBER NITROGEN TERHADAP MUTU NATA DE KAKAO Fifendy, Mades; Putri, Dwi Hilda; Maria, Shinta Sari
Sainstek : Jurnal Sains dan Teknologi Vol 3, No 2 (2011)
Publisher : IAIN Batusangkar

The research was aimed at knowing the effect of adding touge as nitrogen source on the quality of Nata de cacao. The research design used was completely randomized design with six treatments (without nitrogen source, urea 1.5 gr., touge 175 gr, touge 200 gr, touge 225 gr, and touge 250 gr). These were done three times. The parameter tested was thickness, fiber content, and elasticity of nata de cacao. The data obtained were analyzed by using ANOVA and Extended Test BNJ with ? 5%. As the result it was shown that the adding of touge as the nitrogen source and improve the thickness and the fiber content. However the addition of touge with different concentration did not give any effect significantly. For elasticity, the higher fiber contents the chewier nata de cacao. In short, the addition of touge as a nitrogen source effect on the quality of nata de cacao, in terms of its thickness, fiber contents, and plasticity.Key words: nitrogen sources, nata de cacao, acetobacter xylinum

UJI BAKTERIOLOGIS AIR SUMUR PEMUKIMAN PENDUDUK DI SEKITAR TEMPAT PEMBUANGAN AKHIR SAMPAH Irdawati, Irdawati; Fifendy, Mades; Kurniati, Deni
Sainstek : Jurnal Sains dan Teknologi Vol 4, No 2 (2012)
Publisher : IAIN Batusangkar

The purpose of this study was to determine the quality of well water in residential areas around the landfill of trash (TPA), Balai Gadang Aia Dingin, Padang, viewed from bacteriological aspects. This study was conducted from March to April 2012 in the Laboratory of Microbiology Department of Biology, Science Faculty, Padang State University (UNP). Samples were taken using Proposive sampling method with 10 wells that are encountered by the first well of the landfill to the distance between 0-100 meters. This study uses Most Probable Number (MPN) using a two-stage testing is Presumtive Test and Confirmative Test with a combination of 3:3:3. can be concluded that the quality of well water residential areas around the landfill 90% did not meet the standards set by the Ministry of Health (KEPMENKES) No. RI. 492/MenKes/PER/IV/2010. Key words : TPA Aia Dingin Padang, bacterial aspects, quality of well water

KUALITAS NATA DE CITRULLUS MENGGUNAKAN BERBAGAI MACAM STARTER Fifendy, Mades; Annisah, Nur
Sainstek : Jurnal Sains dan Teknologi Vol 4, No 2 (2012)
Publisher : IAIN Batusangkar

Low-calorie watermelon flesh contains as much as 93.4% water, 0.5% protein, 5.3% carbohydrate, fat 0.1%, fiber 0.2%, ash 0.5%, Vitamin A, Vitamin B and vitamin C. Chemical content of watermelon, especially the carbohydrate content can be used as an ingredient to make nata de Citrullus. The nata formation is strongly influenced by the carbohydrate content, pH, nitrogen content in the substrate and stable environmental condition. The purpose of this study was to determine the best starter. This study was carried out from February to June 2011. The research design was a Completely Randomized Design (CRD) with 6 (six) treatments, namely coconut water starter (A), watermelon starter (B), pineapple skin starter (C), banana peels starter (D), bangkuang starter (E) and tomato starter (F). The parameters tested were the thickness of nata, wet weight and dry weight, firmness and organoleptic tests. Data were analyzed by using ANOVA and further test HSD at the level of 5% and 1%. The result of this study indicates that the use of a wide range of real starter do not affect the thickness. However there were significant difference at the level of 5% of the wet weight, and it was significantly different at the level of 1% of the dry weight. Finally, it does not affect significantly on organoleptic test (flavor, color, taste and texture).

PENAMBAHAN GLISEROL PADA BAHAN PEMBAWA ALGINAT SEBAGAI PENSTABIL PERTUMBUHAN BAKTERI PSEUDOMONAS BERFLUORESEN Khairatul Inâ€™am, Linda Advinda, Mades Fifendy,
SEMIRATA 2015 Prosiding Bidang Biologi
Publisher : SEMIRATA 2015

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (331.089 KB)

Pseudomonas berfluoresen adalah kelompok bakteri rhizobakteria yang dapat digunakan sebagai pengendali penyakit tanaman.Bakteri ini dapat diformula dalam bahan pembawa alginat agar dapat disimpan lama dalam jumlah yang banyak dan mudah diaplikasikan.Tujuan penelitian untuk mengetahui pengaruh penambahan gliserol dalam bahan pembawa alginat terhadap viabilitas Pseudomonas berfluoresen. Rancangan penelitian Acak Lengkap dengan 6 perlakuan dan 4 ulangan. Perlakuan yang diberikan adalah A = tanpa gliserol, B = gliserol 0,01 mL, C = gliserol 0,02 mL, D = gliserol 0,03 mL, E = gliserol 0,04 mL, F = gliserol 0,05 mL. Viabilitas Pseudomonas berfluoresen diamati dengan menghitung jumlah bakteri pada masa inkubasi 14 hari, 28 hari, 42 hari, dan 56 hari. Data dianalisis dengan ANOVA dan uji lanjut DNMRT pada taraf nyata 5%. Hasil penelitian menunjukkan penambahan gliserol mempengaruhi viabilitas Pseudomonas berfluoresen dalam bahan pembawa alginat pada 14 hari, 28 hari dan 42 hari masa inkubasi. Pseudomonas berfluoresen paling stabil terdapat pada perlakuan C (gliserol 0,02 mL) pada masa inkubasi 42 hari. Kata kunci: Pseudomonas berfluoresen, gliserol, alginat

The Influence Of PowerPoint-Based Use In Increasing Learning Attention Student On Class X SMAN 10 Padang Raysa Juwita; Mades Fifendy; Ardi Ardi; Heffi Alberida
ATRIUM PENDIDIKAN BIOLOGI Vol 4, No 1 (2019): Atrium Pendidikan Biologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/apb.v4i1.5473

This research is based on the problems in SMAN 10 Padang, namely the low attention of students during the learning process takes place. One of the factors that influenced it was the use of cellphones during the learning process. Students tend to use mobile phones not only to find learning material, but also use it for personal purposes such as replying to messages or playing games. Submission of material by teachers tends to be less interesting and monotonous, to overcome students' lack of attention in learning using PowerPoint. The purpose of this study was to see the effect of using Powerpoint in increasing the learning attention of class X students at SMAN 10 Padang. This type of research is a quasi-experimental design with Randomized Control-Group Posttest Only Design. The population in this study were all tenth grade students of SMAN 10 Padang. The sample in this study were class X students of SMA N 10 Padang Academic Year 2018/2019 and the samples used were students of class X MIA 2 as a control class and X MIA 3 as an experimental class. The instrument used to assess students' attention is the student learning attention assessment sheet filled in by the observer. Based on the results of the study using the t-test it can be concluded that there is an influence of the use of PowerPoint in increasing student learning attention. It was proven that the average attention of the experimental class was higher than the control class.

The Development of Handout Images and Map of Concept In Material Classification of Living Things for Student of Class VII Junior High School 23 Padang Viola Mecita; Relsas Yogica; Ristiono Ristiono; Mades Fifendy
ATRIUM PENDIDIKAN BIOLOGI Vol 4, No 1 (2019): Atrium Pendidikan Biologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/apb.v4i1.4727

Learning media is one of the determinants of success in the learning process in school. The use of learning media will greatly help the effectiveness of the learning process and add one of the teaching materials that can be used by students in learning. But the role of learning media will not be seen if its use is not in accordance with the learning objectives that have been formulated. Students find it difficult to connect the concepts contained in the material, then students find it difficult to understand the material concepts. The material on biology teaching materials used is like narration, language that is difficult to understand, and the appearance is less attractive. To overcome this problem, the teacher needs to develop teaching materials that are expected to be interesting and easy to understand by students in understanding the concepts contained in biology learning material. Teaching materials developed are Handouts. This research is Development Research conducted at FMIPA UNP and Padang Junior High School 23, using the Plomp development model (2013). The subject of this study consisted of 2 lecturers of Biology Department FMIPA UNP, 1 Biology teacher at SMP 23 Padang, and 29 students in grade VII of SMP 23 Padang. The data in this study are data obtained from the validity test questionnaire and practicality test. This data includes primary data, namely data obtained directly from the research subject.From the research, produced a nuanced handout of drawings and concept maps of living class classification material for class VII students of SMP which were categorized as valid with a value of 4.50, stated to be very practical with a value of 4.60 by the teacher and very practical with a value of 4.40 by participants student.

Co-Authors Ade Indra Utama Andri Akhiruddin Lubis Anik Aspirin Ardi Ardi Armen Amir Asrul Azwir Anhar Betti Anggrayeni Chairatun Dyna Delfi Suganda Deni Kurniati Des M Des M Desi Musliati Desriyati Desriyati Dezi Handayani Dezi Handayani Diana Susanti Diga Mulya Dila Fitria Dini Yusta Prestu Ningsih Dwi Hilda Putri Eka Vidya Putra Elsa Yuniarti Faradilla Rattriana Fera Mawita Fitri Deswita Gustina Indriati Gustina Indriati Halizah Halizah Heffi Alberida Hendra Lardiman I Ketut Suada Ilham Pratama Intan Rahma Putri Irdawati Irdawati Irdawati Irdawati irma - leilani Irma Lailani Eka Putri Lara Annisa Linda Advinda Mardiah Tajun Marisa Marisa Meriza Fatma Metatia Monica Moca Faulina putri Moralita Chatri Muhyiatul Fadilah Multi Asmul Sovia NAJMI ARIF Nani Subandini Nur Annisah Nur Asiah Siregar Nurmiati Nurmiati Oki Jumaidi Oktavianes Oktavianes Periadnadi Periadnadi Pitri Anita Primayanti Jasdi Pujiana Okta Putri Putri Rahma Padilla Rahmadhani Fitri Rahmawati D Raysa Juwita Relsas Yogica, Relsas Rezi Junialdi Rhini Febrianti Ridhatul Rahayu Lova Ristiono Ristiono Rizki Rizki Rizki Rizki RRP Megahati Siregar RRP Megahati Siregar Santi Rodiah Selaras, Ganda Hijrah Shinta Sari Maria Sisri Muharti Sisri Yandila SUCI FAJRINA Suci Pebra Jusana Syadzli Agus Saputera Syovia Osnita Syukryani Syukryani Vega Ersalina Verawati Yesni Viola Mecita Vivi Fitriani Widya Anggrayesti Wisma Kayani Witria Malra Sari Yossi Rahmadeni Yuni Sepriani Zelvia Misdar

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