Rizka Amalia Amalia

• Islamic University of Riau

Water hyacinth (Eichornia crassipes) is an aquatic plant that grows very quickly in Indonesian waters and is classified as an invasive weed, so it can cause ecological problems. Water hyacinth stems have a high cellulose content of 28-39%. Extraction of cellulose from water hyacinth needs to be done to remove lignin content. The microwave delignifi...

Introduction: Urinary Tract Infection (UTI) is a disease that often occurs in developing countries after upper respiratory tract infections. The incidence of UTI in 2018 in Indonesia is quite high, ranging from 39-60%. Antibiotics are the main therapy for UTIs, but excessive and inappropriate use of antibiotics can cause occurrence of antibiotic re...

Food waste is a description of people’s behavior regarding consumption patterns that are not in accordance with daily needs. The negative impacts caused by food waste behavior have become a world issue, including: food crisis, water and land pollution, and global warming. Global warming occurs partly due to food waste which accumulates in large qua...

Choosing the right career specialization significantly affects students' future life prospects. However, the career specialization service provided by the Guidance and Counselling (GC) teachers remains suboptimal due to the continued reliance on manual instruments, which results in protracted analysis periods. One challenge GC teachers face is thei...

Tren peningkatan jumlah sampah tingkat global dan nasional mengancam aspek kesehatan manusia dan kesehatan lingkungan hidup. Presentase sampah didominasi dari jenis sampah makanan dan limbah biologis. Kedua jenis sampah ini bersumber dari kegiatan rumahtangga berupa kegiatan konsumsi dan produksi. Jumlah sampah makanan meningkat dapat disebabkan ol...

Mangosteen peel is rich antioxidant compounds which are very beneficial for human health and this potential is being utilized by the community. Mangosteen peel extract contains anthocyanin compounds. Anthocyanin are considered as active compounds whose consumption is associated with beneficial health effects. Nata de coco has many benefits for heal...

Pada dasarnya kemampuan bernalar kritis sangat penting untuk berbagai kegiatan yang sulit. Maka dari itulah artikel ini memiliki tujuan sebagai referensi dalam upaya meningkatkan kemampuan bernalar kritis seorang peserta didik pada era globalisasi berdasarkan teori kognitif. Metode yang digunakan merupakan studi litertur yang mengkaji sumber-sumber...

The lack of students’ reading interest is indicated by many students who are more interested in playing with gadgets than reading a book. It is exacerbated by the condition of the library, which has been closed for approximately 5 years so it makes students less facilitated to read. The purpose of this paper is to find out how the implementation of...

Masuknya teknologi ke dalam dunia pendidikan akan berdampak baik, terjadinya perubahan-perubahan baru seperti motode, media pembelajaran dan lain sebagainya. Adanya teknologi akan memberi warna baru terutama dalam media pembelajaran. Kemampuan guru dalam melakukan sebuah inovasi dan berkreasi harus terus diasah, guru harus bisa memberikan warna bar...

- This study aims to determine the characteristics and optimization of biodegradable films based on pectin from breadfruit peel. The study was employed using a factorial design with multiple variables: pectin (2 and 4 grams), sorbitol concentration (10% and 20%) and drying temperature (1200C and 1400C) were studied. The results obtained from eight...

- This study aims to determine the characteristics and optimization of biodegradable films based on pectin from breadfruit peel. The study was employed using a factorial design with multiple variables: pectin (2 and 4 grams), sorbitol concentration (10% and 20%) and drying temperature (1200C and 1400C) were studied. The results obtained from eight...

ABSTRAK Infeksi Saluran Kemih (ISK) merupakan penyakit yang sering terjadi pada semua usia dan sering dijumpai di berbagai negara. Angka kejadian ISK di Indonesia termasuk dalam kasus tertinggi yaitu berkisar antara 39-60%. Penelitian ini bertujuan mengetahui pola peresepan antibiotik pasien ISK di RSUD Provinsi NTB tahun 2019. Penelitian ini bersi...

Organic waste is waste that contains carbon compounds that come from living things, such as fruit and vegetable waste. However, the community is still not able to manage it optimally, even though organic and non-organic waste can still be processed into useful products. This effective way can be realized through the manufacture of eco-enzymes that...

Eco-enzyme is a multifunctional liquid produced from fermentation of waste or organic waste, brown sugar or granulated sugar, and water. Fermentation of eco-enzymes is carried out for ±3 months. The length of time fermentation affects color, aroma and pH. The resultingeco-enzyme liquid is dark brown and has a strong fresh sour aroma. Eco-enzymeliqu...

ABSTRAK Alzheimer adalah proses penyakit dengan hendaya berat fungsi otak (kemampuan kerja otak menurun) atau sering disebut gangguan pikun, yang berlangsung secara progresif yang mengakibatkan gangguan berpikir, mengingat, mental, emosi dan perilaku. Sehingga mengakibatkan aktivitas sehari-hari terganggu. Umumnya yang terkena orang usia lanjut, wa...

ABSTRAK Alzheimer adalah proses penyakit dengan hendaya berat fungsi otak (kemampuan kerja otak menurun) atau sering disebut gangguan pikun, yang berlangsung secara progresif yang mengakibatkan gangguan berpikir, mengingat, mental, emosi dan perilaku. Sehingga mengakibatkan aktivitas sehari-hari terganggu. Umumnya yang terkena orang usia lanjut, wa...

ABSTRAK Alzheimer adalah proses penyakit dengan hendaya berat fungsi otak (kemampuan kerja otak menurun) atau sering disebut gangguan pikun, yang berlangsung secara progresif yang mengakibatkan gangguan berpikir, mengingat, mental, emosi dan perilaku. Sehingga mengakibatkan aktivitas sehari-hari terganggu. Umumnya yang terkena orang usia lanjut, wa...