Fermentasi Nira Nipah Menjadi Bioetanol Menggunakan Saccharomyces Cerevisiae dengan Penambahan Urea sebagai Sumber Nitrogen

Nypa is one of biomass wich has a potential to be converted into bioethanol. Bioethanol produced through the process of fermentation of glucose with the help of a microorganism. In this research, nypa sap was converted to be bioethanol using Saccharomyces cerevisiae. The purpose of this researches were doing the fermentation of nypa sap to produce bioethanol, to study the influence of the addition nitrogen source in the fermentation process, and obtain the optimum fermentation time to bioethanol production. The sequances of this research were preparation of material, equipment sterilization, making the starter (inoculum), making the medium fermentation and fermentation process. Fermentation takes place in batches with a volume of 2 liters of fermentation medium. Variation of urea were used 0,2; 0,4; 0,6; and 0,8 g/l, variation of fermentation time were 24, 36, 58, 60, and 72 hours. Temperature fermentation was occured at room temperatur (25 – 30oC). Ethanol concentration was analyzed by using Gas Chromatography. The highest bioethanol concentration was 7,12% at variation of urea 0,6 g/l and fermentation time 36 hours

Reducing the environmental impact of surgery on a global scale: systematic review and co-prioritization with healthcare workers in 132 countries

Abstract Background Healthcare cannot achieve net-zero carbon without addressing operating theatres. The aim of this study was to prioritize feasible interventions to reduce the environmental impact of operating theatres. Methods This study adopted a four-phase Delphi consensus co-prioritization methodology. In phase 1, a systematic review of published interventions and global consultation of perioperative healthcare professionals were used to longlist interventions. In phase 2, iterative thematic analysis consolidated comparable interventions into a shortlist. In phase 3, the shortlist was co-prioritized based on patient and clinician views on acceptability, feasibility, and safety. In phase 4, ranked lists of interventions were presented by their relevance to high-income countries and low–middle-income countries. Results In phase 1, 43 interventions were identified, which had low uptake in practice according to 3042 professionals globally. In phase 2, a shortlist of 15 intervention domains was generated. In phase 3, interventions were deemed acceptable for more than 90 per cent of patients except for reducing general anaesthesia (84 per cent) and re-sterilization of ‘single-use’ consumables (86 per cent). In phase 4, the top three shortlisted interventions for high-income countries were: introducing recycling; reducing use of anaesthetic gases; and appropriate clinical waste processing. In phase 4, the top three shortlisted interventions for low–middle-income countries were: introducing reusable surgical devices; reducing use of consumables; and reducing the use of general anaesthesia. Conclusion This is a step toward environmentally sustainable operating environments with actionable interventions applicable to both high– and low–middle–income countries

The Correlation Between Students' Vocabulary Mastery and Listening Achievement at 10th A Grade of Smks Keluarga Bunda Jambi

Language is the basic skills are needed for real communication among people. Vocabulary and  listening is one of the problems confronted by English language learners . SMKS Kesehatan Keluarga Bunda Jambi is one of Islamic boarding school that have problem in English lesson. The students have low motivation for study English, especially in vocabulary and listening. Based on explanation above, it is interested to conduct the research with entitled “The Correlation Between Students' Vocabulary Mastery and Listening Achievement at 10th A Grade of SMKS Keluarga Bunda Jambi.   Research design was use correlation research design with quantitative method. The population of the research was all students of 10th grade students' at SMKS Kesehatan Keluarga Bunda Jambi, Academic Year 2021. The sample in this research was 26 students from Nursing Class and Pharmacy Class. There is no significant correlation of students' vocabulary mastery and listening achievement at 10th A grade students of SMKS Keluarga Bunda Jambi, Academic Year 2021. It can be proved with the result is 0.670. The correlation is positive and can be categorized as substantial correlation