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Pengaruh Sirkel Pertemanan dan Kepercayaan Diri Terhadap Konformitas Sosial : Studi Kuantitatif pada Mahasiswa Semester 2 Program Studi Kebidanan di Politeknik Kebidanan Semarang Safitri, Dwi; Margaretha Maria Shinta Pratiwi; Hardani Widiastuti
IDEA: Jurnal Psikologi Vol. 9 No. 2 (2025): IDEA: Jurnal Psikologi
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/idea.v9i2.92014

Abstract

This study aims to examine the influence of friendship circles and self-confidence on social conformity among early semester midwifery students at Poltekes Semarang. A total of 70 second-semester students participated as respondents in this quantitative study. Data were collected using validated and reliable questionnaires measuring friendship circles, self-confidence, and social conformity. Descriptive statistics showed that students had moderately high scores on friendship circles and self-confidence, and a moderate tendency toward social conformity. Correlation analysis revealed a significant positive relationship between friendship circles and social conformity (r = 0.62, p < 0.01), and a significant negative relationship between self-confidence and social conformity (r = -0.45, p < 0.01). Multiple linear regression analysis indicated that both friendship circles and self-confidence significantly predicted social conformity (R² = 0.52, p < 0.001). The findings suggest that strong peer connections increase conformity tendencies, while higher self-confidence reduces it. These results highlight the importance of balancing peer influence and self-confidence development in midwifery students to foster healthy social adaptation without loss of individuality.
Antioxidant and Anti-inflammatory Potential of Sargassum sp Extract in Lotion Preparations Safitri, Dwi; Yuliani, Dina; Aldi, M Fardinal; Julfika, Titi; Larasati, Chandrika Eka; Rahman, Ibadur; Jefri, Edwin
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i2.6660

Abstract

Sargassum sp. is a type of brown algae found in Indonesian marine waters with great potential in the food and pharmaceutical industries. There is antioxidant and anti-inflammatory potential in Sargassum sp. extract so that it makes this type utilised as a lotion preparation. It is necessary to know the potential of Sargassum sp. extract in making lotions. This research uses extraction method to produce Sargassum sp. extract with organic solvent extraction technique, namely alcohol. In addition, the emulsion method was used in the manufacture of lotion preparations. Furthermore, secondary metabolites and anti-inflammatory (irritation) tests were conducted. In addition, the lotion preparation can be evaluated by conducting organoleptic, pH, and homogeneity tests.  The results showed that the Sargassum sp. extract contained significant antioxidant compounds, as indicated by a decrease in DPPH absorbance. Sargassum extract contains alkaloid, flavonoid, saponin, and tannin. In addition, lotion preparations containing Sargassum sp. extract also showed a significant decrease in pro-inflammatory cytokine expression in skin cells exposed to UVB radiation. In addition, the irritation test showed negative results with a safety level without causing irritation to the skin. These findings indicate the potential of Sargassum sp. extract in producing lotion preparations with antioxidant and anti-inflammatory effects that can contribute to skin protection from oxidative damage and inflammation.