Ditapis dengan
Isolasi Dan Uji Toksisitas Senyawa Metabolit Sekunder Dari Ekstrak N-Heksana …
Pyrrosia longifolia is a fern species in the Polypodiaceae family. This species is frequently found attached to old trees, usually on branches or nagging branches. The goal of this study was to isolate secondary metabolites of P. longifolia and analyze their toxicity using the Brine Shrimp Letalithy Test (BSLT). This species was extracted using the maceration method with methanol and fracti…
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- xi, 27 hlm.: ill.: 29 cm
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- 03 02. 121 (0051)
Sintesis Dan Uji Toksisitas Senyawa 5-(4-Fluorofenil)-3-(1-Hidroksinaftalen-2…
Pyrazoline is a five ring heterocyclic compounds that cointains two nitrogen atoms in a close position with one double bond in the ring which is known to have various bioactivities such as an anti-oxidant, anti-cancer, anti-microbial, and anti-bacterial. The pyrazoline derivative 5-(4-fluorophenyl)-3-(1-hydroxynaphthalene-2-yl)-1- phenyl-4,5-dihydro-1H-pyrazole (PF-NH1-4F) was synthesized b…
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- xiii, 36 hlm.: ill.: 29 cm
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- 03 02. 121 (0050)
Sintesis Dan Uji Toksisitas Senyawa Pirazolin 5-(4-Bromofenil)-3-(1-Hidroksin…
Pyrazoline is a secondary metabolic compound with five circular heterocyclic structures that has three carbon atoms and two nitrogen atoms position close to each other. Pyrazoline has high toxicity and possess various bioactivities such as antitumor and anticancer agent. Pyrazoline (5-(4-bromophenyl)-3-(1- hydroxynaphthalene-2-yl)-1-phenyl-4,5-dihydro-1H-pyrazole has successfully synthesiz…
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- xi, 59 hlm.: ill.: 29 cm
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- 03 02. 121 (0049)
Isolasi Senyawa Metabolit Sekunder Dan Penghambatan Α-Glukosidase Dari Ekstr…
Coleus hybridus better known as "green iler or green miana" is one of the traditional plants from the Lamiaceae family with various varieties of leaves that used as medicines. This study aims to isolate secondary metabolites and test the inhibition of α-glucosidase activity of green miana. Isolation of compounds was carried out by maceration method using methanol as solvent. The methanol …
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- xii, 43 hlm.: ill.: 29 cm
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- 03 02. 121 (0048)
Isolasi Senyawa Metabolit Sekunder Dan Uji Hambatan -Glukosidase Ekstrak D…
Peperomia pellucida or sirih Cina (also called suruhan, tumpang air, sasaladahan) is a herbal plant that has many benefits. It can be found in damp places such as on the edge of ditches, between rocks, wall gaps, and in the yard. This plant has the potential to produce secondary metabolites that might have antidiabetic activity. The aim of this study was to test the activity of the ethyl ac…
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- xii, 31 hlm.: ill.: 29 cm
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- 03 02. 121 (0047)
Isolasi Senyawa Metabolit Sekunder Dan Penghambatan Α-Glukosidase Dari Ekstr…
Miana (C. hybridus) is an ornamental plant that is widely used as a medicinal plant. This study aimed to isolate secondary metabolites and test α-glucosidase inhibition from these plants. Isolation was carried out by maceration method with methanol and then partitioned with n-hexane solvent to obtain a thick n-hexane extract. Extracts were separated by vacuum liquid chromatography (VLC) an…
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- xii, 50 hlm.: ill.: 29 cm
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- 03 02. 121 (0046)
Isolasi Dan Uji Penghambatan Α-Glukosidase Metabolit Sekunder Dari Ekstrak N…
Peperomia pellucida is one of species belongs to Piperaceae family which is widely distributed in Indonesia. This plant commonly is used as a traditional medicine by various tribes in Indonesia. Several species of this genus are reported have antidiabetic, antioxidant, antibacterial, and antiinflammatory. This investigation was intended to isolate P. pellucida secondary metabolites from n-…
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- xiii, 44 hlm.: ill.: 29 cm
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- 03 02. 121 (0045)
Sintesis Ag-Mno2 Dua Tahap Dan Aktivitas Katalitiknya Untuk Degradasi Metilen…
Water pollution by synthetic dyes has been major environmental concern due to the stability and toxic nature of most synthetic dyes. Thus, it is urgent to find an effective method to solve this problem. Manganese oxides and modified counterpart with tunnel and layered structure have been proposed as heterogeneous Fenton catalyst for the degradation of dyes. In this study, the Ag-MnO2 has be…
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- x, 47 hlm.: ill.: 29 cm
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- 03 02. 121 (0044)
Efisiensi Penyerapan Bubuk Limbah Kulit Nangka Yang Dimodifikasi Dengan Ca-Al…
Jackfruit peel waste from the production of jackfruit chips in Rimbo Panjang, Kampar, Riau is still wasted and has not been used optimally. From several studies it is known that jackfruit peel waste can be used as an adsorbent. To increase the adsorption ability, an activation process was carried out with NaOH and continued with modification using Ca-alginate. This study aims to determine …
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- vii, 42 hlm.: ill.: 29 cm
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- 03 02. 121 (0043)
Rasio Determination Of Bleaching Earth And Phosphorus Acid In The Degumming A…
Oil from palm oil processing into crude palm oil generally still contains impurities, so it is necessary to carry out a physical purification process which includes pre-treatment and deodorization processes consisting of degumming and bleaching processes to remove gum and other impurity components. The purpose of this study was to determine the ratio of phosphoric acid in the degumming pro…
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- xv, 59 hlm.: ill.: 29 cm
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- 10 25. 221 (0006)
Pengembangan Soal Berpikir Kritis Menggunakan Software Ispring Quizmaker Seba…
The ability of students to solve problems is still low, so an instrument for evaluating critical thinking using media is needed. This study aims to produce an evaluation instrument for critical thinking using the software iSpring QuizMaker on ion balance material and the pH of a valid salt solution according to material and media experts, knowing the validity, reliability, level of difficulty, …
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- ix, 289 hlm.: ill.: 29 cm
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- No. Panggil
- 05 09. 121 (0044)
Pengembangan E-LKPD Berbasis Preview, Question, Read, Reflect, Recite, Review…
The development of PQ4R-based electronic activity sheet on the subject of ionic equilibrium and pH of buffer solutions aims to develop a valid electronic activity sheet and determine user responses in learning. The research method used is the research and development (R&D) method by applying a 4D development model which includes Define, Design, Develop and Disseminate, pandemic conditions that …
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- ix, 204 hlm.: ill.: 29 cm
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- 05 09. 121 (0043)
Analisis Kesalahan Peserta Didik SMA/MA Dalam Mengerjakan Soal Stoikiometri B…
Students' understanding of stoichiometric material can be seen from the average value of student learning outcomes at SMAN 5 Pekanbaru and SMAN 8 Pekanbaru which is still below the standard set by the school. This study aims to determine the types and causes of errors made by high school students in working on stoichiometry questions based on the Newman procedure. The form of research used by t…
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- viii, 172 hlm.: ill.: 29 cm
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- 05 09. 121 (0042)
Pengembangan Modul Berbasis Introduction, Connection, Application, Reflection…
This Research aims to develop an ICARE-based module on ion balance material and the pH of salt solutions. This development research uses a 4-D model (Define, Design, Develop, Disseminate). The research was only carried out until the develop stage and followed by user response testing. The data collection instruments used were in the form of validation sheets and user response questionnaires. Va…
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- viii, 178 hlm.: ill.: 29 cm
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- 05 09. 121 (0041)
Pengembangan Instrumen Evaluasi Berbasis Higher Order Thinking Skill (HTS) De…
This research aims to develop HOTS questions with wondershare quiz creator on ionic balance and pH buffer solution for class XI SMA/MA. The research method used is research development (R&D) with the Plomp model. The research used the Plomp model which was carried out in four stages are preliminary investigation, design, realization/construction, validation, test and revision and implementa…
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- ix, 334 hlm.: ill.: 29 cm
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- 05 09. 121 (0040)
Pengembangan E-LKPD Berbasis Contextual Teaching And Learning (CTL) Menggunak…
This research is directed to develop e-worksheets based on contextual teaching and learning (CTL) using the Web Sway Office on acidic and alkaline materials as a valid teaching material and knowing the user's response to the developed e-worksheets. This type of the developed research is research and development using 4-D development model namely defines, designs, develops, and disseminates…
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- ix, 222 hlm.: ill.: 29 cm
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- 05 09. 121 (0039)
Pengembangan Lembar Kegiatan Peserta Didik (LKPD) Berbasis Discovery Learning…
The purpose of this research is to know: (1) The process of activity sheet development based on Discovery Learning to improving students' critical thinking ability, (2) The validity of activity sheet is based on the application stages of Discovery Learning, the teacher's and students respond toward activity sheet based on Discovery Learning, that is developed for high school, (3) The students' …
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- xii, 297 hlm.; ill.; 29 cm
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- 10 20. 219 (0009)
Pengembangan Instrumen Asesmen Kemampuan Berpikir Kreatif Siswa Pada Materi H…
The Creative Thinking Ability Assessment Instrument is a tool used to measure students' thinking skills based on available information data, find many possible answers to a problem or be able to find many ways to solve a problem. An assessment instrument will be developed according to indicators of creative thinking skills and integrated with hydrocarbon materials. Hydrocarbons are compounds de…
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- xv, 111 hlm.: ill.: 29 cm
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- 10 20. 221 (0002)
Kelimpahan Mikroplastik Pada Sedimen Sungai Air Htam, Pekanbaru, Riau
ABSTRACT Microplastics are plastic sinks measuring
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- xii, 29 hlm.; ill.: 29 cm
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- 07 02. 121 (0074)
Analisis Karakteristik Debu Jatuh (Dustfall) Di Area Pabrik Crude Palm Oil Da…
Abstrack : Crude Palm Oil (CPO) processing plant PT. Z Pelalawan Regency is one of the palm oil processing factories that uses palm kernel shells and fiber as an energy source. Palm oil processing is certainly inseparable from the problem of air pollution, especially in the environment, namely pollutant gases and dust. This study aims to analyze the characteristics of dustfall and dustfall …
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- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 07 02. 121 (0073)
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah