Judul: Analisis Faktor-Faktor yangMemengaruhi Impulse Buying Produk Fashion di E-Commerce oleh Generasi Z
Abstrak: Perkembangan internet saat ini mengalami peningkatan secara masif yang menjadi salah satu faktor bertumbuhnya e-commerce di Indonesia. Salah satu perusahaan yang baru saja mengembangkan bisnis ke ranah e-commerce adalah Tiktok. Kemudahan dalam mengakses produk atau jasa memungkinkan konsumen melakukan impulse buying. Para pelaku usaha harus mengetahui perilaku konsumen agar mampu bersaing dan dapat merumuskan strategi yang tepat untuk meningkatkan penjualan. Penelitian ini bertujuan mengidentifikasi karakteristik konsumen dan faktor-faktor yang memengaruhi impulse buying di Tiktok Shop pada generasi Z. Metode yang digunakan adalah non probability sampling dengan teknik purposive sampling. Penelitian ini menggunakan metode analisis deskriptif dan analisis Structural Equation Modelling (SEM) dengan bantuan program SmartPLS versi 4. Hasil dari penelitian ini menunjukkan bahwa faktor-faktor yang berpengaruh terhadap impulse buying di Tiktok Shop pada generasi Z yaitu hedonic shopping motives, fashion involvement, time availability, dan presence of others.
Keyword: e-commerce, keputusan pembelian, pembelian tidak terencana, SEM- PLS

Judul: Factor That Influence Impulse Buying in Generation Z (Shopee E-commerce Users)
Abstrak: Teknologi internet semakin berkembang pesat di seluruh dunia termasuk Indonesia. Dengan bertambahnya jumlah penduduk maka jumlah pengguna internet juga ikut meningkat. Saat ini masyarakat memiliki tren untuk melakukan belanja online akibat dari pesatnya perkembangan e-commerce di Indonesia. Konsumen yang melakukan pembelian produk yang dilakukan secara online sebagian besar mengalami impulse buying atau pembelian yang tidak direncanakan. Tujuan penelitian ini yaitu untuk menganalisis karakteristik konsumen dan faktor apa saja yang memengaruhi terjadinya impulse buying pada generasi Z pengguna e-commerce Shopee. Penelitian ini menggunakan data primer dan data sekunder. Data primer berasal dari kuisioner yang diisi oleh responden yang merupakan generasi Z pengguna e-commerce Shopee. Metode yang digunakan yaitu metode analisis deskriptif dan analisis model persamaan struktural dengan pendekatan partial least square (SEM-PLS). Hasil penelitian menunjukkan faktor emotion, hedonic shopping, dan time available memiliki pengaruh positif dan signifikan terhadap perilaku impulse buying generasi Z dengan faktor dominan yaitu faktor hedonic shopping yang memiliki nilai t statistik sebesar 3,629., Internet technology is overgrowing throughout the world, including in Indonesia. The number of internet users has also increased with the increase in population. Currently, people have a trend to do online shopping due to the rapid development of e-commerce in Indonesia. Consumers who make product purchases made online mainly experience impulse buying or unplanned purchases. The purpose of this study is to analyze the characteristics of consumers and what factors influence the occurrence of impulse buying in Generation Z of Shopee e-commerce users. This study uses primary data and secondary data. Primary data comes from questionnaires filled out by respondents who are Generation Z users of Shopee e-commerce. The method used is the descriptive analysis method and structural equation model analysis with a partial least squares approach (SEM-PLS). The results showed that emotion, hedonic shopping, and time available factors had a positive and significant influence on the impulse buying behaviour of Generation Z. The dominant factor was the hedonic shopping factor, which had a t-statistical value of 3,629.
Keyword: e-commerce, impulse buying, generation Z, Shopee

Judul: Pemurnian dan karakterisasi protein inhibitor RNA helikase virus hepatitis C
Abstrak: Hepatitis C virus (HCV) infection is the second most common chronic viral infection in the world with global prevalence. This infection is contribution to chronic hepatitis and liver cirrhosis, often leading to hepatocellular carcinoma. There is no effective drug and vaccine available against HCV. The current standard treatment, a combination of pegylated interferon-α with ribavirin, is limited by its suboptimal response rate in a significant patient population, side effects, and affordability. Therefore, development of effective drug is needed. One approach to find out the candidate of antiviral drug is to discover the inhibitor of enzyme that essential for virus replication, such as RNA helicase. Streptomyces chartreusis 5-095 produce the inhibitor of HCV RNA helicase. The aim of this study was to purify the protein inhibitor which has inhibition activity against ATPase activity of RNA helicase HCV from S. chartreusis 5-095. The supernatant of culture S. chartreusis 5-095 exhibited high inhibiton activity against ATPase activity of RNA helicase HCV (approximately 72%) at 10 days of incubation. The extracellular protein inhibitor was partially purified by procedures of precipitation with ammonium sulfate to 65% saturation and gel filtration (Sephadex G50) using methanol water solution (4:6) as an eluen. The purity of protein inhibitor was monitored by SDS PAGE. The protein inhibitor showed a relative molecular mass were estimated to be 14 kDa and increased the purity 23,08 fold than those of the crude protein. The specific activity and IC50 after purification were 13,1338 U/mg and 0,0767 mg/mL, respectively. The activity of purified protein inhibitor showed its stability over pH range from 5-8 and optimum at pH 7,4. The inhibition activity showed its stability up to 70% at temperature 100 oC. The purified protein inhibitor relatively stable its activity at storage in the range of -20 oC to room temperature for 35 days.
Keyword: