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All Journal Tekno - Pedagogi : Jurnal Teknologi Pendidikan Jurnal Natur Indonesia SAINSMAT Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Agrointek Indonesia Chimica Acta JMM (Jurnal Masyarakat Mandiri) JURNAL AGROHITA Dalton : Jurnal Pendidikan Kimia dan Ilmu Kimia Jambura Journal of Educational Chemistry Abdimas Toddopuli: Jurnal Pengabdian Pada Masyarakat Jurnal Dedikasi Jurnal Ilmiah Kajian Keimigrasian (JIKK) Indonesian Community Journal Sagu Chemistry Education Review Seminar Nasional Pengabdian Kepada Masyarakat JURNAL AGROINDUSTRI HALAL SAINSMAT: Jurnal Ilmiah Ilmu Pengetahuan Alam Indonesian Journal of Fundamental Sciences UNESA Journal of Chemical Education Vokatek : Jurnal Pengabdian Masyarakat PPSDP International Journal of Education Chemedu: Jurnal Ilmiah Pendidikan Kimia JIPI (Jurnal IPA dan Pembelajaran IPA) Abdi Kimia : Jurnal Pengabdian Masyarakat Journal of Social Work and Science Education Mammiri: Jurnal Pengabdian Masyarakat Jurnal Abdimas Kesehatan

Netti Herawati

Jurusan Kimia FMIPA Universitas Negeri Makassar

Author-ID : 279879

Religion Agriculture, Biological Sciences & Forestry Humanities 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 Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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SOLASI DAN IDENTIFIKASI SENYAWA METABOLIT SEKUNDER EKSTRAK METANOL AKAR NAPAS PEDADA (Sonneratia caseolaris L.) Netti Herawati; Sitti Faika; Maryono Maryono; Ramdani Ramdani
Indonesian Journal of Fundamental Sciences Vol 8, No 2 (2022)
Publisher : Universitas Negeri Makassar

Abstrak. Penelitian eksplorasi ini bertujuan untuk mengisolasi dan mengidentifikasi senyawa metabolit sekunder yang terdapat dalam ekstrak metanol akar S. caseolaris yang terdiri dari preparasi sampel, ekstraksi (maserasi) dengan metanol, fraksinasi dengan Kromatografi Kolom Cair Vakum dan Kromatografi Kolom Tekan, pemurnian dengan dekantasi dan identifikasi dengan uji pereaksi dan uji Spektroskopi. Sampel berasal dari muara sungai Waetuo, Kecematan Tanete Riattang Timur, Kabupaten Bone, Provinsi Sulawesi Selatan. Hasil penelitian berupa senyawa murni yaitu kristal putih berbentuk serbuk yang menunjukkan noda tunggal pada uji KLT sistem tiga eluen. Kristal menunjukkan hasil positif terhadap pereaksi Wagner dan Dragendorff. Hasil data spektrum FT-IR menunjukkan adanya gugus fungsi N—H primer, C—H alifatik, C—N, C—H (—CH2 dan —CH3), C=C aromatik dan C=O. Berdsarkan data tersebut, menunjukkan bahwa senyawa yang diperoleh merupakan golongan senyawa alkaloid.Kata Kunci: Akar, Sonneratia caseolaris L., Alkaloid

Isolasi dan Identifikasi Senyawa Metabolit Sekunder Ekstrak Metanol Daun Ungu (Graptophyllum pictum (L.) Griff) pada Fraksi Polar dan Uji Antibakteri Niluh Devi Yulyantari; Iwan Dini; Netti Herawati
Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Vol 24, No 1 (2023): CHEMICA
Publisher : Jurusan Kimia FMIPA UNM

ABSTRAKPenelitian ini adalah penelitian eksplorasi yang bertujuan untuk mengisolasi senyawa metabolit sekunder dalam ekstrak metanol daun ungu (G. pictum (L.) Griff) serta uji antibakteri dari sampel yang berasal dari desa Pepuro Barat, kecamatan Wotu, kabupaten Luwu Timur, Sulawesi Selatan. Isolasi dilakukan dengan beberapa tahap : maserasi, fraksinasi dan pemurnian. Identifikasi dilakukan dengan uji pereaksi dan alat spektrosko. Uji antibakteri dilakukan dengan metode difusi agar. Hasil penelitian berupa isolat berbentuk serbuk berwarna putih yang terdekomposisi pada suhu 202˚C dan positif terhadap pereaksi FeCl3. Identifikasi dengan spektrofotometer inframerah teridentifikasi adanya gugus –OH, C-O alkohol sekunder, C-H alifatik, C=C conj., dan C=C aromatik. Berdasarkan uji pereaksi dan identifikasi dengan spektrofotometer inframerah disimpulkan bahwa senyawa yang diperoleh adalah flavonoid. Hasil uji antibakteri menunjukkan ekstrak kasar, fraksi N, dan isolat murni dapat menghambat pertumbuhan bakteri S.aureus dan E.coli.Kata kunci : Antibakteri, Daun Ungu, Flavonoid, G. pictum (L.)Griff. ABSTRACTThis is an exploratory research that aims to isolate and identify secondary metabolite compound as well as antibacterial test contained in Methanol Extract of purple leaves from the Pepuro Barat village, Wotu district, Luwu Timur regency, South Sulawesi. The isolation was done through several stages: maceration, fractionation, purification and identification. Antibacterial of assay with agar diffusion method. The results was obtained in white powder, decompotition at 202oC, and the FeCl3 reagent est indicated that the sample are positive. Identification by analyzing the infrared spectrum which showed -OH groups, C-O of secondary alcohols, aliphatic C-H, C = C conj., And C = C aromatic. Based on the test reagents and identification with an infrared spectrophotometer showed the isolate is considered as flavonoid. The results of antibacterial test extract, fractions N, and isolate can be inhibit the growth of bacteria S.aureus and E.coli.Keywords: Antibacterial, Purple Leaves, Flavonoid, G. pictum L. (Griff).

Efektivitas Model Learning Cycle 5E dengan Teknik Make a Match Terhadap Hasil Belajar Peserta Didik Kelas XI MIPA 3 SMA Negeri 6 Bone Wardani H. Abidin; Muharram Muharram; Netti Herawati
ChemEdu Vol 4, No 1 (2023)
Publisher : Jurusan Kimia FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/chemedu.v4i1.34259

This research is a descriptive research that aims to determine the effectiveness of the 5E learning cycle model with the make a match technique on the learning outcomes of students in class XI MIPA SMA Negeri 6 Bone on the subject matter of acids and bases. The research was conducted by giving a pretest before treatment and giving a posttest after treatment. The subject of this research is class XI MIPA 3 which consists of 36 students. Data were collected using learning outcomes tests and observation sheets which were analyzed descriptively. The results of the study are: (1) Class completeness of students achieved is 83.33%. (2) The average value of normalized gain in learning outcomes of students is 0.78 which is in the high category. (3) The average activity of students in the learning process is 91.49% and is in the very good category. Based on normalized gain, it can be concluded that the application of the 5E learning cycle model with the make a match technique is effective on the learning outcomes of students of class XI MIPA SMA Negeri 6 Bone on the subject matter of acids and bases.

Pengembangan Modul Praktikum Koloid Berbasis Problem Based Learning Untuk SMA Alfi Syahar Arrozani; Netti Herawati; Muhammad Jasri Djangi
ChemEdu Vol 3, No 1 (2022)
Publisher : Jurusan Kimia FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/chemedu.v3i1.32946

Development of problem-based learning colloid practicum modules for SMA. Essay. Chemical Education Study Program. Department of Chemistry. Faculty of Math and Science. Makassar State University (supervised by Netti Herawati and Muhammad Jasri Djangi). This research is a development research that aims to produce a problem-based learning practicum module on colloid material that is valid, effective and practical. The subjects of this study were the XI IPA class of SMA Aksara Bajeng with a total of 31 people. The development of a problem-based learning practicum module uses the Plomp development model, consisting of five phases, namely the initial investigation phase, design, realization / construction, evaluation and revision tests, and the implementation phase. The instruments used in this study consisted of validation instruments, student activity observation sheets, practicum module assessment sheets, student response questionnaires and practicum implementation sheets. The results of this study indicate that: (1) The practicum module is declared valid with an average validity value of 3.64, (2) the practicum module is declared effective based on the percentage of participant activity of 96% and the average value of the practicum module is 92.93 with effective category (3) The module is said to be practical based on the results of the student response questionnaire by 71% in the very practical category and 29% in the practical category, and the results of the teacher response questionnaire are 92.5%.

PENGARUH MODEL PEMBELAJARAN DAN KESADARAN METAKOGNISI TERHADAP HASIL BELAJAR PESERTA DIDIK KELAS X SMA ISLAM KOTA TERNATE (Pokok Bahasan Ikatan Kimia) Sonyinga, Desma; Danial, Muhammad; Herawati, Netti
Chemistry Education Review (CER) Volume 2 Nomor 1 September 2018
Publisher : Program Pasca Sarjana UNM

Penelitian ini merupakan penelitian eksperimen semu yang bertujuan untuk mengetahui pengaruh model pembelajaran dan kesadaran metakognisi terhadap hasil belajar peserta didik kelas X SMA Islam Kota Ternate pada pokok bahasan ikatan kimia. Penelitian ini menggunakan rancangan Desain penelitian faktorial 2x2. Sampel terdiri atas dua kelas yang dipilih dengan random sampling teknik acak kelas. Kelas X IPA 1 sebagai kelas eksperimen 1 dibelajarkan dengan model pembelajaran inkuiri terbimbing dan kelas X IPA 2 sebagai kelas eksperimen 2 dibelajarkan dengan model pembelajaran berbasis masalah. Instrument penelitian yang digunakan yaitu angket inventori kesadaran metakognisi dan tes hasil belajar. Data yang diperoleh dianalisis secara inferensial dan deskriptif. Hasil analisis inferensial diperoleh bahwa: (1) model pembelajaran berpengaruh terhadap hasil belajar peserta didik dengan nilai signifikansi yang diperoleh yaitu 0,01<0,05. (2) kesadaran metakognisi berpengaruh terhadap hasil belajar peserta didik dengan nilai signifikansi yang diperoleh yaitu 0,008<0,05. (3) terdapat interaksi model pembelajaran dengan kesadaran metakognisi, terlihat pada nilai signifikansi yang diperoleh yaitu 0,014<0,05. Selanjutnya hasil analisis deskriftif diperoleh bahwa: (1) rata-rata nilai hasil belajar peserta didik yang menggunakan model pembelajaran inkuiri terbimbing hasilnya lebih tinggi dibandingkan dengan model pembelajaran berbasis masalah. (2) rata-rata nilai hasil belajar peserta didik dengan kesadaran metakognisi tinggi, lebih tinggi dibandingkan dengan rata-rata nilai hasil belajar dengan kesadaran metakognisi rendah, dan (3) terjadi interaksi interaksi antara model pembelajaran dan kesadaran metakognisi dalam mempengaruhi hasil belajar peserta didik kelas X IPA SMA Islam Kota Ternate. Jadi, ada pengaruh antara model pembelajaran dan kesadaran metakognisi terhadap hasil belajar peserta didik kelas X SMA Islam Kota Ternate pada pokok bahasan ikatan kimia.

Pengaruh Model Pembelajaran dan Kesadaran Metakognisi terhadap Hasil Belajar Peserta Didik Sonyinga, Desma; Danial, Muhammad; Herawati, Netti
Chemistry Education Review (CER) Volume 3 Nomor 1 September 2019
Publisher : Program Pasca Sarjana UNM

The study is quasi experiment which aims at examining the influence of learning model and metacognition awareness on learning autocomes of grade X at SMA Islam in Ternate city on chemistry Bond subject. The study employed 2x2 factorial research desaign. Samples consisted of two classes selected by employing random sampling technique and obtained grade X IPA 1 as the experiment class 1 taught by using guided inquiry learning model and grade X IPA 2 as experiment class 2 taught by using problem-based learning model. The research instruments used questionnaire of metacognition awareness inventory and learning result test. Data obtained were analyzed inferentially and descriptively. The results of inferential analysis reveal that (1) the learning model gives influence on learning outcomes with significant score of 0.01<0.05, (2) The metacognition awareness give influence on learning outcomes with significant score 0.008 < 0.05, (3) there is interaction of learning model and metacognition awareness, proved by the significant score 0.014 < 0.05. Then, the results of descriptive analysis indicate that (1) the mean score of learning outcomes taught using guided inquiry learning model is higher than problem-based learning model, (2) the mean score of learning outcomes with high metacognition awareness is higher than the mean score of learning outcomes with low metacognition awareness, (3) there is interaction between learning model and metacognition awareness in influencing learning outcomes of grade X IPA at SMA Islam in Ternate city. Therefore, there is influence between learning model and metacognition awareness on learning outcomes of grade X at SMA Islam in Ternate city on Chemistry Bond subject.

Pengembangan Instrumen Penilaian Kemampuan Berpikir Kritis Siswa SMA Hasan, Sri Wahyuni; Auliah, Army; Herawati, Netti
Chemistry Education Review (CER) Volume 3 Nomor 2 Maret 2020
Publisher : Program Pasca Sarjana UNM

The type of this study is Research and Development (R&D) which aims at examining the development procedure and quality of assessment instruments to measure critical thinking skills of students on Stoichiometry material. The study employed Plomp’s research and development model design that consisted of 5 stages, namely: (1) initial investigation stage, consisted of field study and review literature (2) design stage, consisted of planning and organizing assessment instruments for critical thinking skills on Stoichiometry material (3) realization/ construction stage, (4) test, evaluation and revision stage, consisted of two main activities, namely validation by experts and small grub test, and (5) implementation stage is the field test. The assessment instruments which was developed was in a form of essays format. The research subjects were students of grade XI MIPA 6 SMAN at SMA N 1 Makassar with 34 students. Data on the results of the instrument’s validation by Experts was declared to be very feasible/ valid with an average percentage of 91.66%. The results of the validity analysis of the items indicate that the items support the validity of the test so that it is said to be feasible or valid, while the item reliability was stated reliable with a reliability value of 0.897 with a high interpretation. Analysis of the difficulty level of the instrument obtained an average score of 0.64 with the medium category. The distinguishing power of the instrument shows good category with an average value of 0.49. The practicality of the instruments assessed by the teacher obtained a percentage of 92.5% with a very practical category. The results of the analysis of students' critical thinking skills obtained that the average critical thinking skills of students are in medium category.

Pengembangan Lembar Kerja Peserta Didik (LKPD) Elektronik Berbasis Masalah pada Materi Larutan Asam dan Basa Danial, Muhammad; Rano, Felisitas Yanti; Herawati, Netti
Chemistry Education Review (CER) Volume 5 Nomor 2 Maret 2022
Publisher : Program Pasca Sarjana UNM

This study is a development research that aims to develop problem-based e-LKPD on acid and base solutions which is valid, practical, and effective to be used to improve learning outcomes. The development model used in this study referred to the 4-D development model, which consisted of the defining stage, the design stage, the development stage, and the dissemination stage. The one developed was a problem-based electronic student’s worksheet (LKPD). The problem-based e-LKPD developed was then validated by two experts. After validation, a trial was conducted at SMKN 9 Jeneponto in grade X TKJ with a total of 22 students. The results show that the resulting e-LKPD is valid with an average validity value of 3.40 with valid criteria. The practicality test includes: (1) analysis of the teacher's response, the teacher gave a very positive response with an average value of 3.75 which means it is practical and not revised, (2) analysis of students’ responses, students gave a positive response with a percentage of 81.80 very responsive. This problem-based E-LKPD also meets the effectiveness criteria with learning outcomes meeting the effective criteria where the N-Gain of 0.64 increases in learning outcomes which is in moderate category, the percentage of completeness is 81.82% which is in good category.

Pengembangan Media Permainan Card Brain Scramble pada Materi Ikatan Kimia untuk Meningkatkan Gaya Kognitif Reflektif dan Hasil Belajar Priyatmo, Yudhi; Danial, Muhammad; Herawati, Netti
Chemistry Education Review (CER) Volume 4 Nomor 1 September 2020
Publisher : Program Pasca Sarjana UNM

This study is a development research which aims at developing CBS (Card Brain Scramble) game media on chemistry bond material to improve cognitive reflective style and learning outcomes which are valid, practical and effective to be applied. The development model used in this study referred to Hannafin and Peck’s development model, which consisted of several stages, namely need analysis stage, design making stage, development stage, and implementation stage. The learning media developed is CBS game media, then validated by two experts. After the validation, the tried out was conducted on the media which was conducted at MAN 3 Makassar in grade X MIPA with the total of 30 students. The results of the study reveal that the CBS game media which had been developed and validated indicate that the mean score is 3.65 with valid criteria. The CBS game media is stated as practical and effective because the practical test based on students' response on the utilization of CBS game media obtains 82.84% with the mean score of 3.31 which is in high level. The CBS game media also meets the effective criteria with the following results: (1) the improvement of cognitive reflective style of students is from 70.88% to 80.27%, (2) the learning outcomes meet the effective criteria which obtains from the mean score of 61% to 80.16%, whereas, the improvement of learning outcomes based on N-gain test is 0.49 which is moderate criteria. Therefore, the result of the study shows that the product of CBS game media developed is categorized as valid, practical, and effective.

Pengembangan Perangkat Pembelajaran Berbasis Inkuiri Terbimbing untuk Meningkatkan Kemandirian Belajar dan Hasil Belajar Peserta Didik pada Materi Asam Basa Yunus, Irda Sani; Sudding, Sudding; Herawati, Netti
Chemistry Education Review (CER) Volume 6 Nomor 2 Maret 2023
Publisher : Program Pasca Sarjana UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/cer.v6i2.45209

This development research aims at developing and producing a valid, practical, and effective guided inquiry-based learning device to increase independent learning and learning outcomes. The development model used was the 4D development model. Theh results of the study are (1) the device development process consisted of 4 stages, namely the defining stage, design stage, development stage, and dissemination stage, (2) the learning device meets a very valid category. The learning device is practical because at the practical test which related to (a) the implementation of guided inquiry-based learning device achieves the mean score M=1.88 with the category of implemented completely, (b) the teacher and students’ responses are positive with 92.94% and 89.11% with the category of very practical. The guided inquiry-based learning device is effective because it has met effective criteria with the following results: (a) the increase of independent learning of students before learning is 56.88% and after learning is 82.28% with independent category, (b) the completeness of learning outcomes meets the effective criteria with 85.71%.

Co-Authors . Alimin . Alimin, . ., faradillah A. Zulfikar Effendi A. Zulfikar Effendi, A. Zulfikar Abd Rahman Abda Abda Ahmad Fudhai Ahsan, Sitti Faika Alam, Muhammad Nur Alfi Syahar Arrozani Alimin Alimin Anandita, Nihla Andi Zulfikar Efendy Angga Pramana, Angga Aqrim, Muh. Arham, Husnayaini Army Auliah Asriani Asriani Astriani, Sulis Aulia, Nurul Army Bulqiah, Andi Citra Putri, Amida Darma Andayani, Dyah Darnitasari, Devy Deviyanti Deviyanti Dewanri Fattah Dewi Angraini, Dewi Dewi Fortuna Ayu Dian Ekawati Djangi, Muhammad Jasri Effendy, Raswen Erviani Rahmawati Kurnia Eva Anawinta Buangmanalu Firdaus Zenta Firlia Ayu Arini Fitri Indriani, R.A Rodia Fitri Kurnianingsih Gultom, Priscila Manuella GUSTIAWAN, SANDY Haryanti, Wa Ode Novi Hasan, Sri Wahyuni Hasri Hasri Hasri Hasri Ida Ratna Dilla Idhsa, Yasmin Azizah Ikshar Ikshar Ilmiah, Ide Indahsari, Fitriani Indriansyah, Agung Irawan, Jeri Irfandi, Rizal Irzaleny, Meli Iwan Dini Iwan Dini Jasdar Agus Jayalaksamana, Maghfirah Jusniar Jusniar, Jusniar Khairil Afdal La Daha Laily Hanifah Lethe, Maryella Oktafrilly Makmur Makmur Makmur Makmur Maryono Maryono Mazaya, Maulida Melly Kristanti Mohammad WIJAYA Mohammad Wijaya M Mufidha, Chusnul Muhaedah Rasyid Muhammad Anwar Muhammad Anwar Muhammad Danail Muhammad Danial Muhammad Jasri Djangi Muhammad Nur Alam Muhammad Rakib Muhammad Rivai Muhammad Syahrir Muhammad Yunus Muharram Muharram Muharram Mutiara, Syawatul Negara, Satria Putra Jaya Neta Dian Lestari Niluh Asriniasih Niluh Devi Yulyantari Nisai, Khaerun Nita Maghfirah Ilyas Noor Jalaluddin Nur Afni Nuraidah Nuraidah, Nuraidah Nurlaila Nurlaila Nurlita pertiwi, Nurlita Nurwijayanti Oktarina, Mona Palajukan, Yulianti Pangastuti, Dyah Ayunda Pratama Pasiak, Taufiq Fredrik Pertiwi, Rina Pince Salempa Prastika, Ike Priyatmo, Yudhi Rahmi Rahmi Ramdani Ramdani . Ramdani Ramdani Rano, Felisitas Yanti Raswen Efendi Ravika Mutiara Ridwansyah Riftyan, Emma Rini Perdana Risdawati, Risdawati Rita Ismail Rudi Subiyakto, Rudi Ruslan, Zuhra Adminira Ruslan, Zuhrah Adminira Salnus, Subakir Santosa, Yaya Aria SARI, SELVI MUSTIKA Selvianti H, Fifi Sitti Faika Sonyinga, Desma Sonyinga, Desma Sudding, Sudding Sugiarti Sugiarti Sugiarti Sugiarti Sumiati Side Suriati Eka Putri Suryani, Uci Susanti Susanti Syaputra, Wahyudi Syarifuddin, Ulben Sylvianica, Devi Taty Sulastry Taupik Hidayat, Taupik Thumo, Selyndion Ayundi Titi, Titi Ulben Syarifuddin UTAMI, MAULIDA Wardani H. Abidin Warnita Wulan, Dwi Yeni Susanti Yuliono Yuliono Yunus, Irda Sani

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