Determination of Nicotine in Cigarette Tobacco Smuggled to Brazil by Modified QuEChERS Methodology Cinthia Eloise Domingues, Januário Kordiak, Carlos R. Pedroso, Tatiana R. de Oliveira Stremel, Rosimara Zittel, Patrícia Los Weinert, Carlos M. de Sousa Vidal, Sandro X. de Campos 68-73 PDF
Hydrogenation of Biomass-derived 5-hydroxymethylfurfural (HMF) over Pd Catalysts in Aqueous Medium Wesley Romário da Silva, José Maurício Rosolen, Paulo Marcos Donate 74-81 PDF
The Efficacy of New Liquid Laser Dye Material – Chalcone: 1-(4-methylsulfonyl phenyl)-3-(4-N,N-dimethyl (amino phenyl)-2-propen-1-one (MSPPP) Mohana Faroug Attia, Abdelrahman A. Elbadawi 82-88 PDF
Chemical composition and photoprotective potential of aqueous extract from Casearia sylvestris var. lingua (Cambess.) Eichler leaves Claudia Andrea Lima Cardoso, Thiago Luis Aguayo de Castro, André Luís Duarte Goneli, Maria Helena Verdan 89-94 PDF
Effects of Different Irrigation Solutions on the Chemical Composition of Multi-Root Canals of Radicular Dentine in Upper Premolar Teeth Morgana Quteifani Quteifan, Ali Khuder 95-102 PDF
Structural and Morphological Study of PbS:ZnO Nanowires Films Deposited Using Thermal Evaporation Method Bassam Abdallah, M. Kakhia, W. Zetoun 103-109 PDF
Ion Chromatography: Principles and instrumentation Alexandre Varão Moura, José Domingos Santos da Silva, Priscila Gubert 110-115 PDF
Development of Gamification-Based Wordwall Game Platform on Reaction Rate Materials Jacky Anggara Nenohai; Deni Ainur Rokhim, Nur Indah Agustina, Munzil Munzil 116-122 PDF
The Confusion Between Intravenous Sodium Chloride and Potassium Chloride: A Potential Application for a Problem Based Learning (PBL) in Nursing Education to Minimize Medication Errors Luca D'Ottone 123-129 PDF
Let's Talk About Stereochemistry for a Moment: a Home Experiment Conducted with College Students in Social Isolation Pamella Moreira Monte, Jose C. Barros, Tiago Lima da Silva 130-133 PDF
Synthesis and Solvatochromism of Oxazolone Derivative: Combining Organic Synthesis and Physical Organic Chemistry in a Single Experiment Taianne D’Angelo Korb, Lucia Helena Franco Martires da Costa, Mauricio Ferreira da Rosa 134-138 PDF