Development of sanitizer liquid alcohol level sensor via light detection

Jamalul Rudad, Hanis Farzana (2024) Development of sanitizer liquid alcohol level sensor via light detection. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The use of hand sanitizer in this upcoming world after the whole world was affected by the spread of Coronavirus became an obligation to each human being all around the world. Hand sanitizers were known widely as an antiseptic and disinfectant for hand that comes in the form of liquid, foam, or gel that contains 60% to 95% alcohol which can kill many microorganisms, viruses, or bacteria. Past few years, hand sanitizer was one of the necessities for people and the sales of hand sanitizer were up by 300% in the United States. In the Malaysian market, hand sanitizer sales surged significantly during the COVID-19 era, according to recent reports, and hand sanitizer were widely used in a few sectors such as hospital, schools etcetera. During the pandemic era, hand sanitizers became a must-have item for personal hygiene and preventing viral transmission. The hospital were used alcohol-based hand sanitizer to kill germs on the healthcare worker's hands that usually use after they interact with the patients. Hand sanitizer was one of the mediums to replace hand washing with water for the healthcare worker because it is easy to reach and quick to clean their hands while it can improve hygiene compliance. Hand sanitizers were used to clean the germ on the skin but if you want to clean the visible dirty hand, hand sanitizer cannot hold it and we need to clean our hands at least 20 seconds with soap and water before eating or after attending the people with diarrhea. The perfect way to clean our hands using a hand sanitizer is by rubbing our hands together until dry and this process might take 20 seconds to complete. Hand sanitizer was invented back then in the mid-19th century and it is used in the hospital to reduce the transmission of infections. The formula solution of hand sanitizer back then and nowadays was a little bit different according to the development of alcohol that is being distributed and used from year to year

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