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All Journal Jurnal Medik Veteriner Journal of Economics Development Research
Azzahrah, Putri
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Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Veterinary

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Erythrogram Profile of Blood Samples Anticoagulated with Tri-potassium Ethylene Diamine Tetraacetic Acid (K3EDTA) Stored for 48 Hours at 4oC Azzahrah, Putri; Esfandiari, Anita; Mihardi, Arief Purwo; Widhyari, Sus Derthi; Wulansari, Retno; Ningtias, Putri Indah
Jurnal Medik Veteriner Vol. 7 No. 1 (2024): April
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmv.vol7.iss1.2024.76-87

Abstract

Several pre-analytical variables influence hematological results, including anticoagulant use, storage temperature, and time between blood sample collection and analysis. Delayed sample analysis owing to prolonged storage could result in erythrogram profiles, which could complicate the interpretation of the resulting data. This study investigated the erythrogram profile of tripotassium ethylenediaminetetraacetic acid (K3EDTA) in blood samples stored for 48 h at 4°C. Ten healthy blood samples of Ongole crossbred cattle were collected into K3EDTA tubes from the jugular or coccygeal veins and analyzed for erythrogram profiles (erythrocyte counts, hemoglobin levels, hematocrit value, and erythrocyte morphology). Blood sample analysis for the control (0 h) was performed within ± 1.5 hours after collection, then the samples were refrigerated (4°C) and analyzed at 3, 6, 9, 12, 24, and 48 h. The results showed increased (p < 0.05) erythrocyte counts and hematocrit values after 9–24 and 6–48 h of storage, respectively. There was a significant difference in erythrocyte diameter between 0 h and other time observations (p < 0.05). Echinocytes were observed at 0 h of storage and continued to increase up to 48 h. Hypochromasia was also found at 6 to 48 hours of storage. Therefore, the analysis of blood samples for erythrogram parameters should be performed as soon as possible, preferably within three hours after collection, to ensure clinically reliable results.
Dampak Ekonomi E-commerce terhadap Perubahan Pola Konsumsi Masyarakat Sanjaya, Risman; Novitasari, Novitasari; Azzahrah, Putri
Journal of Economics Development Research Vol. 2 No. 1 (2026): Journal of Economics Development Research, March 2026
Publisher : Gema Cendekia Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71094/joeder.v2i1.313

Abstract

Perkembangan e-commerce telah menjadi salah satu fenomena penting dalam transformasi ekonomi digital dan membawa perubahan signifikan terhadap pola konsumsi masyarakat. Penelitian ini bertujuan untuk menganalisis dampak ekonomi e-commerce terhadap perubahan perilaku dan pola konsumsi masyarakat, baik dari sisi permintaan maupun penawaran pada tahun 2025. Metode penelitian yang digunakan adalah studi literatur dengan pendekatan deskriptif-analitis terhadap berbagai jurnal ilmiah, laporan lembaga resmi, dan publikasi terkait ekonomi digital. Hasil penelitian menunjukkan bahwa e-commerce mendorong peningkatan efisiensi pasar, memperluas akses konsumen terhadap barang dan jasa, serta mengubah preferensi konsumsi menuju pola yang lebih praktis, cepat, dan berbasis teknologi. Di sisi lain, e-commerce juga menimbulkan tantangan berupa perubahan struktur pasar, pergeseran usaha konvensional, serta potensi peningkatan perilaku konsumtif. Oleh karena itu, diperlukan kebijakan yang adaptif untuk memaksimalkan manfaat ekonomi e-commerce sekaligus meminimalkan dampak negatifnya.
Co-Authors Anita Esfandiari Ningtias, Putri Indah Novitasari Novitasari Retno Wulansari Sanjaya, Risman Sus Derthi Widhyari