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Articles 1,509 Documents
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EFFECTIVENESS OF CHROMATOGRAPHIC METHOD FOR ORDERING SECONDARY METABOLITE COMPOUNDS ON PLANT (PEPEROMIA PELLUCIDA L.) WITH METHANOL SOLUTIONS Lutfiana Kartika Dewi; Muhammad Ghufron; Ngain Kristin
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2017: Proceeding 3rd ISET 2017 | International Seminar on Educational Technology 3rd 2017
Publisher : Universitas Muhammadiyah Semarang

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Abstract

This study aims to determine the effectiveness of chromatographic methods to isolate secondary metabolite compounds in methanol condensed extracts of surrogate plants. A total of 200 grams of simplified planting plants were macerated with methanol solvent for 8x24 hours. The resulting maserate is further distilled to produce a methanol condensed extract of 40 grams. Methanol condensed extract was further analyzed by using thin layer chromatography to see how many compounds in the sample. The result of the thin chromatography obtained by the color of the basket showing in the plants there are somecompounds. Keywords: Surety, Isolation, Simplicia, Secondary Metabolite, Flavonoids
INITIATING CULTURAL-BASED CHARACTER LEARNING IN PRIMARY SCHOOL Masrukhi -
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2017: Proceeding 3rd ISET 2017 | International Seminar on Educational Technology 3rd 2017
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Each nation will recognize the importance of character building in order to preserve and maintain its existence as a nation-state. The most strategic vehicle for character building process is education in schools, through the learning process in class. By taking a learning setting of Citizenship Education (PKn) in primary schools in Semarang, empirical studies which have conducted find a few things. Firstly, configuration model that was built of the latent exogenous variables , such as appreciation of teachers, principal leadership, school culture, learning design, and the latent endogenous variable; learning of character-buildingindicate that the model fit, based on the findings of Chi-Square value of 23.22 and its p-value of 0.0871. Secondly, the learning of character-building more awakened by the school culture and leadership of school principals.This study recommends several ways. First, it is necessary to increase the understanding of PKn elementary school teachers about Character Development through synergy activities between education department as a facilitator, universities as a material developer, by empowering and developing the existing institutions at the community of primary school teachers as Teacher Working Group (KKG), professionorganizations, and so on. Second, it is necessary to facilitate the arrangement of examples or models of Citizenship Education learning design which contains Character Building, to teachers in primary schools by involving various stakeholders. Third, it is necessary to dostructural approach, empowering principals to facilitate and motivate Citizenship Education teachers of Character Development learning in the classroom, which is done through the meetings of Principals Working Group (KKKS). Fourth, it is necessary to do the empowerment of school culture to support Character Development learning in PKnclassroom through the strengthening of extra-curricular activities that can be created and developed by the Citizenship Education teachers by empowering local potentials which contain the noble values , such as traditional games, folklores, fairy tales, poetry, wise words,symbols, etc., which contain local wisdom. Keywords: Character building, learning process, school culture.
KEJADIAN HIPERTENSI, PENINGKATAN BERAT BADAN, DAN PERUBAHAN POLA MENSTRUASI PADA PENGGUNA KONTRASEPSI SUNTIK DEPO MEDROKSI PROGESTERON ASETAT (DMPA) Machmudah -; Edy Cahyono; Sufiati Bintanah
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2012: PROCEEDING SEMINAR NASIONAL KEPERAWATAN : Penggunaan Herbal Dalam Kesehatan Perempuan
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Latar belakang: Kontrasepsi hormonal dibagi dalam dua jenis suntikan yaitu Depomedroksiprogesteron Asetat (DMPA) yang diberikan setiap 3 (tiga) bulan dan DepoNoretisteron Enantat (Depo Noristerat) yang diberikan setiap 1 (satu) bulan dengan cara disuntik intramuscular. Masing - masing kontrasepsi hormonal memiliki keuntungan dan kerugian yang harus disesuaikan dengan penggunanya.Efek samping dari penggunaan kontrasepsi suntik antara lain gangguan haid, permasalahan berat badan, sakit kepala, hipertensi dan stroke. Tujuan: penelitian ini bertujuan untuk mengetahui hubungan kejadian hipertensi, peningkatan berat badan, dan perubahan pola menstruasi dengan lama penggunaan suntik (DMPA) pada wanita usia subur di Desa Betek Kecamatan Jati Kabupaten Blora. Metode : Penelitian ini merupakan penelitian diskriptif korelasi dengan  metode pendekatan cross sectional. Populasi dalam penelitian ini adalah semua wanita usia subur yang menggunakan kontrasepsi hormonal suntik di Desa Betek Kecamatan Jati Kabupaten Blora dan sampel yang diambil adalah seluruh populasi yaitu berjumlah 66 orang. Variabel yang dikaji dalam penelitian ini adalah kejadianhipertensi, peningkatan berat badan, perubahan pola menstruasi dan lama penggunaan kontrasepsi suntik DMPA. Analisa data yang digunakan dalam penelitian ini adalah dengan menggunakan analisis statistik Chi Square.Hasil : Berdasarkan hasil analisis statistik diperoleh sebagianbesar responden mengalami kejadian hipertensi yaitu sebanyak 37 orang (56,1%), yang mengalami peningkatan berat badan tinggi yaitu sebanyak 28 orang (42,4%), yang mengalami gangguan pola menstruasi yaitu sebanyak 40 orang (60,6%), dan yang menggunakan KB suntik selama 2-5 tahun yaitu sebanyak 30 orang (45,5%). Ada hubungan yang signifikan antara kejadianhipertensidenganlama penggunaankontrasepsi suntik DMPA, dengan nilai p-value 0,000<α(0,05), Ada hubungan yang signifikan antara peningkatanberatbadandenganlamapenggunaankontrasepsisuntik DMPA, dengan nilai p-value 0,013<α(0,05), Ada hubungan yang signifikan antara perubahan pola menstruasi denganlama penggunaan kontrasepsisuntik DMPA, dengan nilai p-value 0,002<α(0,05).Kesimpulan dan saran: Berdasarkan hasil analisis statistik tersebut makadiharapkan masyarakat atau calon akseptor sebelum memilih alat kontrasepsi hendaknya menggali informasi terlebih dahulu tentang semua alat kontrasepsi dan efek sampingnya, terutama pada akseptor yang masih dalam usia  reproduksi disarankan menggunakan kontrasepsi non hormonal karena untuk meminimalisirkan efek samping dari alat kontrasepsi.
PENGARUH DERAJAD DEASETILASI KITOSAN DAN pH PELARUTAN ENZIM TERHADAP KEMAMPUAN IMOBILISASI LIPASE PADA KITOSAN SERBUK Fandhi Adi Wardoyo
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2014: PROSIDING SEMINAR NASIONAL HASIL - HASIL PENELITIAN & PENGABDIAN
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Immobilization of lipase on chitosan powder was performed. The aim of this research is todetermine the optimum conditions for the immobilization process. Chitosan was prepared fromcrab shell through continous deacetylation, and crosslinked with glutaraldehyde. Immobilizationof lipase on chitosan powder was studied under the optimum conditions e.i. pH optimum oflipase solubility and deacetylation degree of chitosan. Immobilized lipase on chitosan powderwas tested for the activity through the hydrolysis reaction of palm oil. Continous deacetylationproduced chitosans A, B and C with deacetylation degrees of 81.34% , 90.23%, and 92.80%,respectively. The optimum pH for enzyme dissolution was obtained at pH 6. Optimumefficiency of immobilization on chitosans A, B, and C, were 47.67; 40.74 and 38.76%,respectively. Specific activity of free lipase, immobilized lipase on chitosan A, immobilizedlipase on chitosan B and immobilized lipase on chitosan C were 23.94; 0.0435; 0.0178; and0.0175 U/g, respectively.Keywords: lipase, immobilization, chitosan, cross linking
DESAIN BAHAN AJAR PROGRAM LINEAR DENGAN PENDEKATAN KONTEKSTUAL BERBANTUAN LINEVER Venissa Dian Mawarsari; Dwi Sulistyaningsih
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2017: Prosiding Seminar Nasional Pendidikan, Sains dan Teknologi
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Teaching material is a tool for an educator in the success of the learning processat all levels of education and all areas of study. No exception learning process oflinear program in Higher Education. For that an educator must be able toarrange their own teaching materials in accordance with the competence to beachieved as well as student characteristics. In the course of linear programming,there needs to be a theory application in everyday problems or in industryproblems. In addition complex calculation problems make the process of solvingproblems related to linear program takes a long time. So that researchers doresearch in designing teaching materials linear program with linear assistedcontextual approach. So the purpose of this study is to know that the teachingmaterials linear program with linear-assisted contextual assisted approach usedin the learning process. Linever is an acronym for Lindo and Excel Solversoftware. The teaching materials developed are Diktat and Student Worksheet(LKM). This research is a part of development research with ADDIE developmentmodel (Analysis, Design, Development, implementation, Evaluation), that is atDesign stage. Data collection techniques use validation materials sheet given tothe validator. The result of the research shows that the linear program teachingmaterials with linearly validated contextual approach are used with the averagerating of 3.6% included in the criteria. Keywords: Teaching material, linear program, contextual , Lindo and Excel Solver
DAYA HAMBAT EKTRAK ETANOL BUAH BELIMBING WULUH (Averrhoa bilimbi L) TERHADAP PERTUMBUHAN Staphylococcus aureus dan Staphylococcus epidermidis SECARA IN VITRO Asri Rahmiati; Sri Darmawati; Ana Hidayati Mukaromah
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2017: Prosiding Seminar Nasional Publikasi Hasil-Hasil Penelitian dan Pengabdian Masyarakat
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Acne infection is caused inflammation of pilosebasea accompanied by accumulation of keratin material, caused by S. aureus and S. epidermidis bacteria. The community uses of wuluhstarfruit (Averrhoabilimbi L) as a traditional medicine to treat acne infection. Wuluh starfruit contains flavonoids, alkaloids, tannins, and saponins that act as anti microbial. The aim of this study was to analyze the inhibitory power of wuluh starfruit ethanol extract on the growth of S. aureus and S. epidermidis bacteria. The method used in this research is the diffusion of wells. This research used two types of bacteria. S.aureus and S.epidrmidis, each bacteria of the four treatment groups that is 10%w/v; 20%w/v; 30%w/v; 40%w/v; positive control of Ciprofloxacin, and negative control of sterile aquades. The research results of inhibitory power of ethanol extract of wuluh starfruit with variation of concentration 10 %w/v; 20 %w/v; 30 %w/v; and 40 %w/v successively in S.aureus was 21.6 mm; 27.0 mm; 31.3 mm; And 34.0 mm, whereas in S.epidermidis is 28.6 mm; 31.6 mm; 36.3 mm; And 39.0 mm. Then the positive control of Ciprofloxacin has an inhibit zone of 30.0 mm and 35.0 mm. While the negative control of sterile aquades is not formed inhibit zone. The result ofOne Way Anova statistic test on S. aureus is p=0.000 and S. epidermidis is p=0.000, because (p<0.05) hence result there is significant difference, so it can be concluded that the extract of wuluh starfruit ethanol can inhibit the growth of S. aureus and S. epidermidis and there is a significant difference between the variantconcentration ofethanol extract wuluhstarfruit. Keywords: Staphylococcus aureus, Staphylococcus epidermidis, Ethanol extract of wuluhstarfruit.
MENGUATKAN SIKAP TINDAK WIRAUSAHA MELALUI PENDIDIKAN TEKNOLOGI PENGOLAHAN HASIL PERTANIAN Asih Kuswardinah
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2010: Sain, Teknologi, Kimia Sosial dan Humaniora, Kimia
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Secara umum tujuan yang ingin dicapai dalam penelitian ini adalah: menemukan model menguatkan sikap tindak wirausaha melalui pemberdayaan KWT (dala  m bentuk pendidikan). Penelitian ini dilakukan di Kabupaten Semarang, Propinsi Jawa Tengah. Pengambilan sample dilakukan secara purposif sampling, dengan pertimbangan sekelompok subyek yang memiliki karakteristik: sebagai anggota KWT kategori proaktif, reaktif dan nonaktif; memiliki status sosial ekonomi rendah, berdomisili di Kabupaten Semarang. Jumlah sample 198 orang. Menurut jenisnya, penelitian ini termasuk penelitian terapan; Menurut metodenya, penelitian ini termasuk penelitian tindakan (Action Research), Menurut tingkat eksplanasinya, penelitian ini termasuk penelitian deskriptif karena hanya untuk mengetahui nilai variabel mandiri yaitu pemberdayaan KWT. Selanjutnya akan menghasilkan model dan modul pemberdayaan KWT. Hasil penelitian menunjukkan, Tingkat pengetahuan, paska pendidikan termasuk pada kategori baik. Berdasarkan hasil analisis menunjukkan bahwa terbukti ada peningkatan pengetahuan paska pendidikan.  Berdasarkan temuan hasil penelitian, beberapa saran yang dapat disampaikan khususnya untuk dinas terkait di Kabupaten Semarang, yakni: Bagi Dinas Pertanian: akan lebih tepat memasukan program kewirausahaan; pengolahan pangan hasil pertanian (lokal). ke dalam program kerja rutin KWT .Secara umum tujuan yang ingin dicapai dalam penelitian ini adalah: menemukan model menguatkan sikap tindak wirausaha melalui pemberdayaan KWT (dala  m bentuk pendidikan). Penelitian ini dilakukan di Kabupaten Semarang, Propinsi Jawa Tengah. Pengambilan sample dilakukan secara purposif sampling, dengan pertimbangan sekelompok subyek yang memiliki karakteristik: sebagai anggota KWT kategori proaktif, reaktif dan nonaktif; memiliki status sosial ekonomi rendah, berdomisili di Kabupaten Semarang. Jumlah sample 198 orang. Menurut jenisnya, penelitian ini termasuk penelitian terapan; Menurut metodenya, penelitian ini termasuk penelitian tindakan (Action Research), Menurut tingkat eksplanasinya, penelitian ini termasuk penelitian deskriptif karena hanya untuk mengetahui nilai variabel mandiri yaitu pemberdayaan KWT. Selanjutnya akan menghasilkan model dan modul pemberdayaan KWT. Hasil penelitian menunjukkan, Tingkat pengetahuan, paska pendidikan termasuk pada kategori baik. Berdasarkan hasil analisis menunjukkan bahwa terbukti ada peningkatan pengetahuan paska pendidikan.  Berdasarkan temuan hasil penelitian, beberapa saran yang dapat disampaikan khususnya untuk dinas terkait di Kabupaten Semarang, yakni: Bagi Dinas Pertanian: akan lebih tepat memasukan program kewirausahaan; pengolahan pangan hasil pertanian (lokal). ke dalam program kerja rutin KWT .
The Description of II Class Women Prisoners Cervix in Semarang Erna Kusumawati; Novita Nining Anggraini
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2016: Proceeding of International Seminar on Education Technology (ISET) 2016
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Abstract. The second highest cancer in the world is cervix. The early detection of cervix was done in order to give the description about pathophysiology, the risk, the symptoms, the invention of lesion of cancer, and treat them. The prisoners often faced the obstacle in doing the adaptation to the prisons environment. The longer isolation in the prison made the improvement of doing homosexual done by someone. It influenced to the cervix health that enabled traumatic.Besides that, the condition of the prison with bad sanitation and environment could decrease the quality of prisoners life,facilitate the spread of health problems like TBC, HIV/AIDS. The method of this research was descriptive. The population was 44 women prisoner of class IIB in which two of them were infected by HIV. Speculum examination was done to the women prisoners. The result of this study showed that the test of positive IVA was 27.3% (12 women), the negative IVA was 72.7% (32 women), the partio erosion was 34.1% (15 women), the un partio erosion was 65.9% (29 women), whitish translucent was 36.4% (16 women) consisted of whitish was 54.5% (24 women), yellowish was 6.8% (3 women), and greenish was 2.3% (1 woman). From the result above, it could be concluded that the description of II class womens cervix in the prison was not health physically.
KONSERVASI AIR DAN LINGKUNGAN BERBASIS KEARIFAN LOKAL DI KAWASAN TELAGA MOTOINDRO Djoko Rahardjo; Aniek Prasetyaningsih
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2015: Prosiding Bidang Sosial Ekonomi dan Psikologi The 2nd University Research Colloquium
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Telaga Motoindro merupakan telaga yang sangat penting bagi masyarakat Girisuko khususnyaPadukuhan Temuireng II sebagai sumber air bersih. Ketika musim hujan, telaga ini penuh denganair namun pada musim kemarau air telaga seperti menghilang dan dalam waktu semalam airtelaga sudah mulai habis. Kejadian ini terjadi sejak tahun 2012, yang diperkirakan akibat bencanaalam (gempa bumi) serta kerusakan kondisi lingkungan sekitar kawasan telaga akibat praktekperubahan peruntukan lahan, dan penebangan pohon. Mempertimbangkan hal tersebut, mendesakuntuk segera dilakukan program konservasi air dan lingkungan kawasan telaga Motoindro,dengan tujuan untuk menumbuhkan kesadaran, partisipasi masyarakat untuk menjaga kawasantelaga serta secara sadar melakukan gerakan konservasi lingkungan serta memulihkan kondisilingkungan kawasan telaga dan konservasi air.  Program dilakukan selama 4 bulan, dimulai dariobservasi dan identifikasi kebutuhan, pendampingan kelompok masyarakat, penyusunan program,pengembangan kemitraan, pelaksanaan aksi konservasi disekitar kawasan dan pelatihan sertapembentukan kader konservasi. Dari program ini, masyarakat, yang diwakili oleh kelompokpemuda dan beberapa tokoh masyarakat menyadari bahwa masyarakatlah yang harusbertanggung jawab untuk memulihkan kondisi lingkungan telaga, dan melalui pendampinganprogram pengabdian, masyarakat mampu menyusun program, menjalin kemitraan sertamempunyai ketrampilan dalam melakukan konservasi telaga yang ditunjukan dengan terbentuknyakader konservasi. Keyword : Konservasi, lingkungan, telaga
DESAIN OP-AMP RAIL TO RAIL MENGGUNAKAN TEKNOLOGI CMOS 0.35µm Erfiana Wahyuningsih; Hamzah Afandi; Dyah Nur‘ainingsih
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2018: SEMINAR NASIONAL PENDIDIKAN SAINS DAN TEKNOLOGI
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Op amp (Operating Amplifier) is a differential amplifier that has a large gain. Op amp is very flexible and easy to apply for various purposes. One is op amp rail to rail, compiled using 0.35u technology with adjusted W and L values to obtain the expected null offset value. Vdd and Vss's short-circuited voltage makes the op amp drive like a rail to a rail or a rail to rail. The output of the op amp rail to rail in the form of swing voltage or swing voltage defines how close the op-amp output can be driven to VDD or VSS (rail to rail). Keywords: Op amp, rail to rail, null offset

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