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Pengaruh Produk, Harga, Promosi, Dan Lokasi Terhadap Keputusan Pembelian Pelanggan Toko Muhammadiyah Bisnis Center (MBC) Kota Metro Suryadi, Suryadi; Yateno, Yateno; Kurnia, Dewi
Jurnal Manajemen DIVERSIFIKASI Vol. 3 No. 3 (2023): September
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/diversifikasi.v3i3.2579

Abstract

The purpose of this research is to determine 1) the partial effect of the product on purchasing decisions, 2) price on purchasing decisions, 3) promotion on purchasing decisions, 4) location on purchasing decisions, and 5) simultaneously on purchasing decisions. The design of this research is a quantitative method. With a total population of 14,155 respondents for 30 days, while the sample calculation found 100 respondents. The sampling technique is purposive sampling. The data collection method uses a questionnaire by sharing it with consumers who often make transactions at Muhammadiyah Bisnis Center store in Metro City. And the analysis tool uses validity, reliability and multiple regression results with the decision to use a partial test (t), test together and the coefficient of determination. The analysis results conclude that purchasing decisions can be understood by consumer behaviour and how consumers make purchasing decisions. So the combination of the retail mix elements (Retailing mix) of products, prices, promotions, and the right location by retailers is expected to attract the target market through consumer purchases.
Hubungan Krisis identitas dengan kedisiplinan siswa di SMK Negeri 4 Tanjung Jabung Timur Kurnia, Dewi; Rasimin, Rasimin; Harahap, Nur Hasanah
TERAPUTIK: Jurnal Bimbingan dan Konseling Vol 8, No 2 (2024): TERAPUTIK: Jurnal Bimbingan dan Konseling
Publisher : Pusat Kajian Bimbingan dan Konseling FIPPS Unindra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26539/teraputik.823121

Abstract

This research is motivated by student discipline where students commit disciplinary violations at school. This research aims and focuses on revealing the relationship between identity crisis and student discipline at SMK Negeri 4 Tanjung Jabung Timur. This type of research is quantitative research with correlation methods. The population in this study were all students at SMK Negeri 4 Tanjung Jabung Timur for the 2023-2024 academic year. The sample in this research was 96 students using the purposive sampling technique. The instrument used is a questionnaire (Questionnaire). Data analysis uses the Percentage Test with formula C, Normality Test, Linearity Test and Correlation Test. The research results show that: the level of identity crisis for students at SMK Negeri 4 Tanjung Jabung Timur is in the high category with a percentage of 73%. The level of student discipline at SMK Negeri 4 Tanjung Jabung Timur is in the high category with a percentage of 75%. The Pearson correlation value obtained is interpreted using correlation guidelines, where the calculated r (0.662) is in the range (0.40-0.70) which is interpreted as being in the medium category. It can be concluded that there is a significant relationship between identity crisis and student discipline. From the research results, it is recommended that future researchers be able to use other research methods to strengthen the validity of the research and that future researchers can improve this research by reducing errors in research.
Literature review on the activity of kepuh plant (Sterculiafoetida L.) as a natural antioxidant Kurnia, Dewi; Roni, Asep; Rahayu, Kiki Dwi
Journal of Agritechnology and Food Processing Vol 4, No 1 (2024)
Publisher : UNIVERSITAS MUHAMMADIYAH MATARAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jafp.v4i1.24831

Abstract

Kepuh (Sterculiafoetida L.) is a traditional medicinal plant that is a source of secondary metabolites, also known for its phenolic content as an antioxidant and antibacterial.   The kepuh plant has been scientifically proven to have anti-inflammatory and analgesic activities. The preparation of this literature review aims to provide information on the efficacy of the kepuh plant as an antioxidant. The methods used to test the antioxidant activity of kepuh are DPPH (1,1-diphenyl-2-picrylhydrazyl) and ABTS (2,2-Azinobis-3-ethyl benzhothiazoline-6-sulfonic acid). Antioxidant activity is determined from the IC50 value. Where, the lower the IC50 value, the stronger the antioxidant activity of a sample.  The conclusion from this literature search is that kepuh is a plant that has strong antioxidant activity.
Workshop Production of Liquid Soap Made from Arabica Coffee and Yogurt in Cibiru, Bandung to Develop Hygiene Lifestyle Rum, Ira Adiyati; Supriadi, Dadih; Kurnia, Dewi; Mardhiani, Yanni Dhiani; Kosasih, Kosasih
Inaba of Community Services Journal Vol. 3 No. 1 (2024): Volume 3 No. 1, June 2024
Publisher : Universitas INABA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56956/inacos.v3i1.259

Abstract

Few communities in Cibiru have a problem, namely that they have not implement a clean and healthy lifestyle, namely the lack of the habit of washing hands with soap before eating, especially for children, resulting in moderate diarrhea in the community area, as well as a lack of post-harvest diversification of coffee and milk. The solution   provided is to educate the community by presentation about the importance of washing hands with soap before eating. This event also holds training in making liquid hand washing soap, so that people are skilled at making the product, and can even sell the product. There are three specific goals and targets to be achieved, namely the community gaining knowledge on how to make hand washing soap, the community get used to a clean and healthy lifestyle and increasing community income by selling the liquid soap. The methods that are used are presentation of material using in focus and Microsoft PPT, training in making hand-washing soap products (hands-on) and monitoring post-training product marketing. The method used to make this hand washing soap is the fermentation method for making yogurt, the maceration method for making Arabica coffee extract. From the results of the questionnaire evaluation, there was an increase in participants' insight after being given the training, namely from an average score of 68 to 90, so there is quantitative data on the results of this training
DETEKSI PROTEIN ALERGEN PREVALBUMIN PADA IKAN TONGKOL MENGGUNAKAN KROMATOGRAFI FILTRASI GEL G-50 DAN SDS-PAGE Emma Emawati; idar idar; Dewi Kurnia; Sintia Amelia
JURNAL FARMASI GALENIKA Vol 5 No 3 (2018): Jurnal Farmasi Galenika Volume 5 No. 3, 2018
Publisher : Universitas Bhakti Kencana

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Reaksi alergi (reaksi hipersensitivitas) adalah reaksi-reaksi dari sistem kekebalan yang terjadi ketika jaringan tubuh yang normal mengalami cedera atau terluka. Bahan pangan yang dikenal mengandung protein alergen seperti pada ikan, susu, kacang kedelai, kacang tanah, kerang, telur, gandum, dan udang salah satunya pada ikan tongkol, protein alergen yang terdapat pada ikan tongkol adalah Prevalbumin (10-13 kDa). Penelitian ini bertujuan untuk mengidentifikasi protein alergen yang terdapat pada ikan tongkol. Metode yang digunakan pada penelitian ini adalah ekstraksi, pemisahan protein menggunakan kromatografi kolom filtrasi gel G-50 prinsip kromatografi filtrasi gel adalah pemisahan berdasarkan perbedaan bobot molekul, karakterisasi protein menggunakan SDS-PAGE prinsip elektroforesis, jika suatu fase zat bermuatan diberi beda potensial fase tersebut akan berpindah sepanjang medium yang kontinu ke arah katoda atau anoda sesuai dengan muatan partikel. Berdasarkan hasil penelitian yang telah dilakukan pada proses ekstraksi didapat supernatant kemudian proses pemisahan protein menggunakan kromatografi kolom didapat 50 fraksi dan proses karakterisasi menggunakan SDS-PAGE menunjukan terdapat protein alergen prevalbumin sesuai dengan literatur yaitu 10-13 kDa.
Modeling of terahertz radiation absorption temperature distribution in biological tissue of a cattle using Simulink-MATLAB model Kurnia, Dewi; Hamdi, Muhammad; Muhammad, Juandi; Saktioto, Saktioto; Yupapin, Preecha; Abdullah, Hewa Yaseen
Science, Technology and Communication Journal Vol. 1 No. 2 (2021): SINTECHCOM Journal (February 2021)
Publisher : Lembaga Studi Pendidikan and Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v1i2.6

Abstract

Terahertz radiation (THz) has interesting and effective properties in the field of biomedical imaging techniques, this is because of its ability to interact easily, is not ionized, and does not damage biological tissue. The purpose of this study was to determine the effect of THz radiation power density on temperature distribution and heat production in bovine biological tissue consisting of skin, fat, and muscle using a modeling approach. This study uses biophysical computation techniques with the Simulink-MATLAB model in the 0.1 – 1 THz frequency range, 50 – 150 mW power, and 5 – 25 mW/mm3 power density. Temperature distribution modeling is carried out in two ways, namely with different power densities and variations in the circumference of the THz radiation source. The results showed that the higher the power density used, the greater the absorbed radiation energy with increasing temperature. This causes the temperature distribution in the biological tissue to be wider and the production of heat in the tissue will increase. The results of imaging analysis of temperature distribution to depth in bovine biological tissue, show that fat tissue has less heat production compared to other tissues. The comparison of experimental data and modeling results shows an error percentage of 1.09%.
Peran Guru Penggerak dalam Menumbuhkan Kebiasaan Gemar Membaca Melalui Kegiatan Literasi di Sekolah Dasar Negeri 110 Kota Jambi Kurnia, Dewi; Evidawati, Evidawati; Saputra, Muhammad Deni; Sari, Putri Aprilia; Sabrina Wiyanpuri, Rahma; Destrinelli, Destrinelli; Sofwan, Muhammad
Jurnal Ilmiah Profesi Pendidikan Vol. 10 No. 1 (2025): Februari
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jipp.v10i1.2961

Abstract

Kemampuan literasi merupakan hak asasi setiap individu dan merupakan fondasi untuk belajar sepanjang hayat. Literasi adalah keterampilan dasar yang penting untuk perkembangan individu, dan pengenalan literasi sejak dini di sekolah dasar mencakup membaca, menulis, berpikir kritis, memahami informasi, serta berkomunikasi efektif. Tujuan penelitian ini untuk mendeskripsikan peran guru penggerak dalam menumbuhkan kebiasaan gemar membaca melalui kegiatan literasi, mendeskripsikan peran dan kendala yang dialami guru dalam menumbuhkan kebiasaan gemar membaca peserta didik dan mendeskripsikan solusi yang didapat guru dalam menumbuhkan kebiasaan gemar membaca pada peserta didik di SD Negeri 110 Kota Jambi. Penulis mengangkat judul ini karena banyak peserta didik di SD Negeri 110 Kota Jambi yang masih memiliki minat membaca yang rendah dan Penulis semangat serta antusias dalam melakukan kegiatan literasi untuk menumbuhkan kebiasaan gemar membaca dalam diri setiap peserta didik di Sekolah Dasar Negeri 110 Kota Jambi. Oleh karena itu kebiasaan gemar membaca peserta didik di SD Negeri 110 Kota Jambi perlu ditumbuhkan lagi. Metode penelitian ini yaitu kualitatif dengan desain fenomenologi. Hasil penelitian ini menyatakan bahwa: 1) Peran guru dalam menumbuhkan kebiasaan gemar membaca melalui kegiatan literasi 2) Kendala yang dialami guru dalam menumbuhkan kebiasaan gemar membaca melalui kegiatan literasi, 3) Sedangkan solusi yang dilakukan guru penggerak dalam menumbuhkan kebiasaan gemar membaca melalui kegiatan literasi sehingga tercapainya tujuan untuk menanamkan kebiasaan literasi dalam kehidupan sehari-hari peserta didik. Dapat disimpulkan bahwa peran guru penggerak sangat penting karena guru dapat menggunakan keterampilan yang dimiliki untuk menumbuhkan kebiasaan membaca melalui kegiatan literasi.
Arah dan Komponen Pokok Pelayanan Bimbingan Konseling di Sekolah Ramadhani, Rahma; Amanah, Siti; Kurnia, Dewi
JURNAL KONSELING GUSJIGANG Vol 9, No 2 (2023): Jurnal Konseling Gusjigang Desember 2023
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/jkg.v9i2.9274

Abstract

Students have potentials that can be developed and material, spiritual needs that must be met. Guidance and Counseling in schools is a form of educational activity to achieve educational goals. This study uses the method of literature review or literature study. This technique is used with the aim of uncovering various theories related to the problem under study as reference material for discussing research results. In this study it was found that the direction of Guidance and Counseling services is to develop the potential of students according to the stages and tasks of their development. Educational efforts in general constitute the implementation of development services for students. In educational units, educators and educational staff have a dominant role in implementing the development of students. Guidance and counseling functions as a service provider to students so that each student can develop optimally so that they become whole and independent individuals.
In Vitro Inhibitory Activity of the α-Glucosidase Enzyme from Eucheuma cottonii Macroalgae Extract Kurnia, Dewi; Zakiyah, Farah; Budiana, Wempi; Andriansyah, Ivan
Jurnal Kimia Riset Vol. 10 No. 1 (2025): June
Publisher : Universitas Airlangga, Campus C Mulyorejo, Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jkr.v10i1.65372

Abstract

Diabetes mellitus is a metabolic disorder caused by damage to the pancreas, insulin resistance, or other factors. α-glucosidase inhibitors are compounds that can prevent the breakdown of complex carbohydrates into glucose, so α-glucosidase inhibitors have the potential to be used as diabetes drugs. One of the natural marine ingredients that has the potential to act as an antidiabetic is the macroalgae Eucheuma cottoniii. This research aims to determine the potential of Eucheuma cottoniii extract in inhibiting the activity of the α-glucosidase enzyme extract using an in vitro approach. Eucheuma cottoniii was extracted by a multistage maceration method used n-hexane, ethyl acetate and 70% ethanol as solvents. Extracts were characterized by the TLC method. The α-glucosidase inhibitory activity was tested in vitro used a microplate reader at 405 nm. TLC analysis results showed that the extract of Eucheuma cottonii contained flavonoid, phenol, alkaloid, steroids, and terpenoid. The α-glucosidase enzyme inhibition activity test showed that the IC50 values of the n-hexane, ethyl acetate and 70% ethanol extracts were 567.84; 174.32 and 99.57 μg/mL, while the IC50 of acarbose as a comparison was 64.41 μg/mL. It can be concluded that Eucheuma cottoniii extract with 70% ethanol has strong α-glucosidase enzyme inhibitory activity, so it has the potential to be developed as an alternative in antidiabetic treatment.
EFEK EKSTRAK BAWANG PUTIH (Allium sativum L) DAN BAWANG HITAM (black garlic) TERHADAP KADAR MALONDIALDEHID (MDA) PADA DARAH TIKUS Kusriani, R. Herni; Kurnia, Dewi; Umaro, Syifa Qudwatul
JURNAL FARMASI GALENIKA Vol 8 No 3 (2021): Jurnal Farmasi Galenika Vol 8 No 3
Publisher : Universitas Bhakti Kencana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70410/jfg.v8i3.199

Abstract

Bawang putih (Allium sativum L) dan bawang hitam (black garlic) dengan kandungan senyawa alisin dan alil disulfida memiliki aktivitas antioksidan. Salah satu mekanisme mengevaluasi aktivitas penghambatan radikal bebas adalah dengan mengukur tingkat malondialdehid (MDA) yang merupakan produk peroksidasi lipid yang stabil. Penelitian ini bertujuan untuk mengetahui efek antioksidan ekstrak bawang putih dan bawang hitam, serta mengetahui dosis efektif pemberian ekstrak yang dapat menurunkan kadar MDA tikus yang diinduksi CCl4. Penelitian ini menggunakan 28 ekor tikus Wistar jantan yang terbagi dalam 7 kelompok yaitu kelompok 1 (normal), kelompok 2 (kontrol negatif), kelompok 3 (vitamin E 200 mg/kg), kelompok 4 (ekstrak bawang putih 150 mg/kg), kelompok 5 (ekstrak bawang putih 300 mg/kg), kelompok 6 (ekstrak bawang hitam 150 mg/kg), dan kelompok 7 (ekstrak bawang hitam 300 mg/kg). Induksi CCl4 10 ml/kg dalam minyak jagung 0,2% tikus secara intraperitoneal pada hari ke-8 perlakuan kecuali kelompok normal. Pengukuran kadar MDA dilakukan pada hari ke-9 perlakuan. Data kadar MDA diuji Shapiro-wilk untuk mengetahui normalitas data, kemudian dianalisis dengan uji One Way Anova yang dilanjutkan Uji Tukey HSD. Hasil penelitian menunjukkan bahwa dosis yang paling efektif dalam menurunkan kadar MDA yaitu ekstrak bawang hitam 300 mg/kg sebesar 35,940 nmol/g dibanding kelompok ekstrak yang lain, tapi belum mampu menurunkan kadar MDA seefektif vitamin E 200 mg yaitu sebesar 20,641 nmol/g (P<0,005).