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Study of green reductant effects of highly reduced graphene oxide production and their characteristics Chasanah, Uswatul; Trisunaryanti, Wega; Triyono; Oktaviano, Haryo Satriya; Santoso, Iman; Fatmawati, Dyah Ayu
Communications in Science and Technology Vol 7 No 2 (2022)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.7.2.2022.906

The study of the green reductant effects to produce reduced graphene oxide (rGO) has been completed successfully. The reduction of graphene oxide (GO) was carried out chemically using various reductants such as ascorbic acid (rGO-AA), gallic acid (rGO-AG), and trisodium citrate (rGO-NS). The GO was prepared using the Tour method at a temperature of 65 ? for 6 hours with potassium permanganate: graphite weight ratio 1:3.5. The results showed that rGO-AA had the highest electrical conductivity value of 755.70 S/m, with characteristics such as a surface area of 255.93 m2/g, a pore volume of 0.61 cm3/g, an average pore diameter of 7.10 nm, ID/IG ratio of 1.93, and three graphene layers in the material nanostructure stack. Therefore, it can be concluded that the reduction of GO with ascorbic acid (rGO-AA) is the most effective in producing rGO.

Impak Brand Image, Celebrity Endorser Pada Keputusan Pembelian Melalui Minat Beli Konsumen Kopi GoodDay Fatmawati, Dyah Ayu; Prabowo, Budi
Journal of Economic, Management, Accounting and Technology (JEMATech) Vol 7 No 2 (2024): Agustus
Publisher : Fakultas Teknik dan Ilmu Komputer, Universitas Sains Al-Qur'an (UNSIQ) Wonosobo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32500/jematech.v7i2.5982

Penelitian ini bertujuan untuk mengetahui pengaruh signifikan dari brand image dan celebrity endorser terhadap keputusan pembelian, brand image dan celebrity endorser memiliki pengaruh yang signifikan terhadap minat beli, pengaruh minat beli secara signifikan memengaruhi keputusan pembelian, dan brand image dan celebrity endorser terhadap keputusan pembelian melalui minat beli. Metode penelitian yang digunakan adalah kuantitatif, dengan populasi yang terdiri dari konsumen kopi Good Day pada mahasiswa aktif Fakultas Ilmu Sosial dan Ilmu Politik UPN "Veteran" Jawa Timur Angkatan 2020-2021. Pengambilan sampel dilakukan dengan menggunakan metode purposive sampling, dengan total sampel sebanyak 100 responden yang dihimpun melalui penyebaran kuesioner. Analisis data dilakukan menggunakan teknik SEM-PLS, path analysis, dan uji hipotesis. Hasil penelitian menunjukkan bahwa brand image memiliki pengaruh positif dan signifikan terhadap keputusan pembelian. Celebrity endorser tidak memiliki pengaruh positif yang signifikan terhadap keputusan pembelian. Brand image dan celebrity endorser memiliki pengaruh positif dan signifikan terhadap minat beli. Minat beli memiliki pengaruh positif dan signifikan terhadap keputusan pembelian. Brand image dan celebrity endorser juga berpengaruh positif dan signifikan terhadap keputusan pembelian melalui minat beli.

Meta-Analysis the Effects of Hand Washing Behavior Using Soap and Latrine Availability on the Diarrhea Incidence in Children Under Five Fatmawati, Dyah Ayu; Sumardiyono; Murti, Bhisma
Journal of Health Promotion and Behavior Vol. 9 No. 2 (2024)
Publisher : Masters Program in Public Health, Universitas Sebelas Maret, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26911/thejhpb.2024.09.02.03

Background: Diarrheal disease is a major problem in developing countries, including Indonesia. Apart from being a cause of death, diarrhea is also a major cause of malnutrition and can cause extraordinary events. This study aimed to analyze and estimate the effect of washing hands with soap and availability of latrines on the incidence of diarrhea in toddlers, with a meta-analysis based on previous primary studies. Subjects and Method: The meta-analysis was carried out using the PICO format including: (1) Population: Children under five; (2) Intervention: Mother washing hands with soap and having latrines available; (3) Comparison: Mothers who don't wash their hands with soap and don't have latrines available; and (4) Outcome: Incidence of diarrhea. Article searches were performed using several databases such as PubMed, Google Scholar, ScienceDirect, BioMed Central, and PLOS ONE. The keywords used are “Hand Washing OR Hand Hygiene AND “Latrine OR Latrine Availability” AND “Infection” AND “Diarrhea Childhood” AND “Children”. The inclusion criteria for the included articles were full text articles with a cross-sectional design, published years from 2013 to 2022. This study was conducted according to PRISMA guidelines (Preferred Reporting Item for Systematic Reviews and Meta-Analysis). Data were analyzed using the Review Manager 5.3 application. Results: A total of 14 cross-sectional studies were included in this meta-analysis study which contained a total of 12,851 children under five who were at risk of diarrhea. This research article comes from Ethiopia which is on the African continent. The results of this meta-analysis show that mothers who wash their hands with soap can reduce the incidence of diarrhea in toddlers by 0.31 times compared to mothers who do not wash their hands with soap (aOR= 0.31; 95% CI= 0.17 to 0.57; p= 0.001), and the availability of latrines can reduce the incidence of diarrhea in toddlers by 0.38 times compared to the unavailability of latrines (aOR= 0.38; 95% CI= 0.15 to 0.96; p= 0.040). Conclusion: The behavior of washing hands with soap and the availability of latrines can reduce the incidence of diarrhea in toddlers.

Impak Brand Image, Celebrity Endorser Pada Keputusan Pembelian Melalui Minat Beli Konsumen Kopi GoodDay Fatmawati, Dyah Ayu; Prabowo, Budi
Journal of Economic, Management, Accounting and Technology (JEMATech) Vol 7 No 2 (2024): Agustus
Publisher : Fakultas Teknik dan Ilmu Komputer, Universitas Sains Al-Qur'an (UNSIQ) Wonosobo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32500/jematech.v7i2.5982

Penelitian ini bertujuan untuk mengetahui pengaruh signifikan dari brand image dan celebrity endorser terhadap keputusan pembelian, brand image dan celebrity endorser memiliki pengaruh yang signifikan terhadap minat beli, pengaruh minat beli secara signifikan memengaruhi keputusan pembelian, dan brand image dan celebrity endorser terhadap keputusan pembelian melalui minat beli. Metode penelitian yang digunakan adalah kuantitatif, dengan populasi yang terdiri dari konsumen kopi Good Day pada mahasiswa aktif Fakultas Ilmu Sosial dan Ilmu Politik UPN "Veteran" Jawa Timur Angkatan 2020-2021. Pengambilan sampel dilakukan dengan menggunakan metode purposive sampling, dengan total sampel sebanyak 100 responden yang dihimpun melalui penyebaran kuesioner. Analisis data dilakukan menggunakan teknik SEM-PLS, path analysis, dan uji hipotesis. Hasil penelitian menunjukkan bahwa brand image memiliki pengaruh positif dan signifikan terhadap keputusan pembelian. Celebrity endorser tidak memiliki pengaruh positif yang signifikan terhadap keputusan pembelian. Brand image dan celebrity endorser memiliki pengaruh positif dan signifikan terhadap minat beli. Minat beli memiliki pengaruh positif dan signifikan terhadap keputusan pembelian. Brand image dan celebrity endorser juga berpengaruh positif dan signifikan terhadap keputusan pembelian melalui minat beli.

Meta-Analysis the Effects of Hand Washing Behavior Using Soap and Latrine Availability on the Diarrhea Incidence in Children Under Five Fatmawati, Dyah Ayu; Sumardiyono; Murti, Bhisma
Journal of Health Promotion and Behavior Vol. 9 No. 2 (2024)
Publisher : Masters Program in Public Health, Universitas Sebelas Maret, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26911/thejhpb.2024.09.02.03

Background: Diarrheal disease is a major problem in developing countries, including Indonesia. Apart from being a cause of death, diarrhea is also a major cause of malnutrition and can cause extraordinary events. This study aimed to analyze and estimate the effect of washing hands with soap and availability of latrines on the incidence of diarrhea in toddlers, with a meta-analysis based on previous primary studies. Subjects and Method: The meta-analysis was carried out using the PICO format including: (1) Population: Children under five; (2) Intervention: Mother washing hands with soap and having latrines available; (3) Comparison: Mothers who don't wash their hands with soap and don't have latrines available; and (4) Outcome: Incidence of diarrhea. Article searches were performed using several databases such as PubMed, Google Scholar, ScienceDirect, BioMed Central, and PLOS ONE. The keywords used are “Hand Washing OR Hand Hygiene AND “Latrine OR Latrine Availability” AND “Infection” AND “Diarrhea Childhood” AND “Children”. The inclusion criteria for the included articles were full text articles with a cross-sectional design, published years from 2013 to 2022. This study was conducted according to PRISMA guidelines (Preferred Reporting Item for Systematic Reviews and Meta-Analysis). Data were analyzed using the Review Manager 5.3 application. Results: A total of 14 cross-sectional studies were included in this meta-analysis study which contained a total of 12,851 children under five who were at risk of diarrhea. This research article comes from Ethiopia which is on the African continent. The results of this meta-analysis show that mothers who wash their hands with soap can reduce the incidence of diarrhea in toddlers by 0.31 times compared to mothers who do not wash their hands with soap (aOR= 0.31; 95% CI= 0.17 to 0.57; p= 0.001), and the availability of latrines can reduce the incidence of diarrhea in toddlers by 0.38 times compared to the unavailability of latrines (aOR= 0.38; 95% CI= 0.15 to 0.96; p= 0.040). Conclusion: The behavior of washing hands with soap and the availability of latrines can reduce the incidence of diarrhea in toddlers.

Pengobatan Gratis Bagi Masyarakat Desa Swarangan Kecamatan Jorong Apriani, Dwi Wulan; Nurwanto, Ahmad; Putri, Melly Anisa; Fauziah, Yanti; Sisilia, Adelina; Pratiwi, Ika; Marpaung, Tio Widia Astuti; Syawaludin, M. Husein; Nafilla, Dinda; Fatmawati, Dyah Ayu
PROGRESIF: Jurnal Pengabdian Komunitas Pendidikan Vol. 6 No. 1 (2026)
Publisher : Sekolah Tinggi Ilmu Ekonomi Indonesia Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36406/progresif.v6i1.416

Limited public awareness of routine health check-ups and healthy lifestyle practices contributes to various untreated health problems in the community. This community service program aimed to increase public awareness and promote early detection of health conditions through free medical screening services. The activity was conducted by lecturers and students of Borneo Citra Medika Polytechnic of Health in collaboration with Borneo Citra Medika Hospital. A total of 52 participants, predominantly housewives, attended the program. The methods included medical anamnesis, basic physical examinations, and health consultations. The results showed that 15 participants experienced myalgia, 7 reported toothache, 6 had gastritis, and 6 had cough, while others presented with asthma, diabetes mellitus, hypertension, fever, and allergies. The program improved community awareness regarding the importance of regular health check-ups and early detection. Sustainable community-based screening activities are recommended to strengthen preventive and promotive health efforts and improve overall community health outcomes.

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