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All Journal Jurnal SOLMA Makara Journal of Science
Fitriyawardhani, Nurwentari Dyah
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Analysis of Pelvic Bone of Ovariectomized Rats using Infrared and Raman Spectroscopies Fitriyawardhani, Nurwentari Dyah; Juwono, Ariadne Lakshmidevi; Mulyaningsih, Neng Nenden
Makara Journal of Science Vol. 26, No. 1
Publisher : UI Scholars Hub

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Abstract

Osteoporosis is a bone disease that generally occurs in postmenopausal women. Osteoporosis can be studied using an animal model such as rats because rat bone structure is similar to human bone structure. This research aimed to analyze pelvic bones of ovariectomized rats that showed osteoporosis signs for the first time. In this study, 20 Rattus norvegicus were given ovariectomy at 12 weeks of age and were used as an animal model for menopausal women. The rats were euthanized every 2 weeks from 13 to 21 weeks of age. In addition, the pelvic bones of ovariectomized rats will be analyzed using FTIR and Raman spectroscopy to show the first osteoporosis signs periodically. Results of FTIR and Raman spectroscopy indicated that the pelvic bones of the ovariectomized rats showed the first osteoporosis signs at 17 weeks of age with changes in phosphate and carbonate contents, increased hydroxyl functional groups, reduction of mineral maturity about 7.47%, and reduction of crystallinity about 29.26%. In addition, morphological changes from fine fibers to coarser fibers and reduction of the crystal size and crystallinity index at the angle of 2θ ≅ 25° about 9.29% and 25.18%, respectively, were observed using SEM-EDS and XRD.
Sosialisasi Hak Merek dalam Dunia Usaha Ritel : Bekal Kewirausahaan bagi Siswa di Madrasah Aliyah Sa’adatuddarain Lailah, Febri Shollihatul; Fitriyawardhani, Nurwentari Dyah; Vernia, Dellia Mila; Meisa, Deva; Putri, Ananda Mutiara Darussalam
Jurnal SOLMA Vol. 15 No. 1 (2026)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v15i1.22048

Abstract

Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan pemahaman siswa siswi tentang pentingnya merek dalam pengembangan produk kreativitas hasil pembelajaran kewirausahaan. Program bertemakan "Sosialisasi Hak Merek" dilaksanakan di Madrasah Aliyah Sa’adatuddarain, Jakarta Selatan. Melalui sosialisasi dan workshop, siswa-siswi diperkenalkan pada konsep merek dan mengembangkan usaha kreatif. Metode yang digunakan meliputi pengenalan merek yang mengandung unsur ketertarikan konsumen, kegiatan interaktif seperti sesi diskusi untuk merefleksikan pengalaman mereka. Hasil dari kegiatan ini menunjukkan peningkatan kesadaran siswa-siswi terhadap isu-isu merek yang berkembang di masyarakat, dan motivasi untuk mengembangkan usaha hasil kreativitas. Dengan demikian, Sosialisasi Hak Merek tidak hanya sekedar pengenalan merek, tetapi juga menumbuhkan rasa sadar akan manfaat dari pemberikan nama pada produk serta mendorong untuk lebih kreatif dan inovatif. Program ini diharapkan dapat menjadi model bagi lembaga pendidikan dalam mengintegrasikan materi tentang hak kekayaan intelektual, khususnya hak merek dalam pembelajaran kewirausahaan dengan metode yang interaktif, serta pemerintah diharapkan dapat meningkatkan sosialisasi dan edukasi mengenai hak merek kepada masyarakat.
Co-Authors Juwono, Ariadne Lakshmidevi Lailah, Febri Shollihatul Meisa, Deva Mulyaningsih, Neng Nenden Putri, Ananda Mutiara Darussalam Vernia, Dellia Mila