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All Journal Jurnal Pendidikan Kimia, Fisika dan Biologi Andan Jejama: Indonesian Journal Of Community Engagement
Rohimatul Anwar
Universitas Lampung
Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Education Public Health

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Edukasi PHBS melalui Cuci Tangan dan Pengelolaan Sampah di UPTD SDN 39 Gedong Tataan Annisa Ananda; Widyastuti; Rohimatul Anwar
ANDAN JEJAMA: Indonesian Journal of Community Engagement (IJCE) Vol. 5 No. 1 (2026): Indonesian Journal of Community Engagement (IJCE) ANDAN JEJAMA
Publisher : FMIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ijceaj.v5i1.70

Abstract

Penerapan perilaku hidup bersih dan sehat (PHBS) pada anak usia sekolah dasar merupakan salah satu upaya penting dalam pencegahan penyakit menular di lingkungan sekolah. Namun, masih ditemukan rendahnya kesadaran siswa mengenai praktik cuci tangan yang benar dan pentingnya membuang sampah pada tempatnya. Kegiatan pengabdian kepada masyarakat ini bertujuan meningkatkan pemahaman siswa sekolah dasar mengenai perilaku hidup bersih dan sehat melalui edukasi cuci tangan dan pengelolaan sampah sederhana. Kegiatan dilaksanakan dalam bentuk penyuluhan, demonstrasi langkah cuci tangan yang benar, diskusi interaktif, serta pemberian media edukasi berupa poster tahapan cuci tangan dan tempat sampah untuk setiap ruang kelas. Hasil kegiatan menunjukkan antusiasme tinggi siswa serta kemampuan menjawab pertanyaan terkait materi yang diberikan. Kegiatan ini berkontribusi dalam meningkatkan kesadaran siswa terhadap pentingnya menjaga kebersihan diri dan lingkungan sekolah.
Analisis Morfologi Rambut Sebelum dan Sesudah Rebonding Menggunakan Scanning Electron Microscopy (SEM) Annisa Ananda; Widyastuti Widyastuti; Rohimatul Anwar
Jurnal Pendidikan Kimia, Fisika dan Biologi Vol. 2 No. 3 (2026): Mei : Jurnal Pendidikan Kimia, Fisika dan Biologi
Publisher : Asosiasi Riset Ilmu Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupenkifb.v2i3.1117

Abstract

Rebonding is a chemical hair straightening procedure widely popular in Indonesia, involving two-stage redox reactions on keratin disulfide bonds using ammonium thioglycolate and hydrogen peroxide. Although it provides effective hair-straightening results, rebonding potentially causes significant damage to the hair cuticle structure. This study aimed to analyze the morphological changes of hair surface before and after rebonding treatment through a descriptive comparative case study approach using Scanning Electron Microscopy (SEM). The samples consisted of one strand of healthy, chemically untreated hair (control) and one strand of post-rebonding hair that both obtained from a female. Samples were prepared using gold-sputter coating prior to SEM observation. Representative SEM images from each sample were then qualitatively compared based on cuticle morphology parameters. The results showed clear morphological differences between the two samples: the control hair displayed tightly arranged and orderly cuticle scales with a smooth surface, while the post-rebonding hair showed surface erosion and the presence of cracks in multiple areas of the cuticle. These findings confirm that rebonding procedures cause visible and characterizable morphological cuticle damage as identified through SEM, providing a scientific basis for developing more protective post-rebonding hair care products.
Co-Authors Annisa Ananda Widyastuti Widyastuti Widyastuti