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909  Articles
1 of 92 pages  |  10  records  |  more records»
Itaconic acid, also known as methylene succinic acid, is a colorless, crystalline substance that is found in nature. Due to its two functional carboxylic acid forms and - unsaturated bond, it can be used in a variety of sectors (plastics, super-absorbents... see more

Prolonged exposure to solvents has a harmful impact on all living organisms, damaging most organs. Reducing the use of solvents or replacing them with less toxic ones, are two of the most important ambitions of green chemistry. Water, supercritical fluids... see more

The components and quantities of hazardous waste emissions have been reported to be the pollution indicator of large urban areas. The multiplicity and complexity of sources of pollutants in environment has put forward the need of use alternate fuels in in... see more

Introduction: Pansies (Viola×wittrockiana) are a rich source of natural antioxidants with beneficial effects on human health.Objetives: The aim of our study was to investigate solvents’ influence (water, methanol, water:acetone (6:4, v/v)) on the extracti... see more

In the cultivation of cocoa plants there are by-products, one of which is cocoa leaves. This by-product comes from periodic pruning of cocoa plants which has not been utilized optimally. Phenolic compounds contained in the cocoa leaves are known as bioact... see more

Robusta coffee (Coffea canephora) and strawberries (Fragaria x annanassa) are plants containing of antioxidant. This research is aimed to determine the antioxidant activity of each plant and the combination of both plants. The activities were measured by ... see more

Propolis is a widely used medicine that may be found in both its pure form and when combined with othernatural ingredients in over-the-counter preparations, cosmetics, and health foods. Some customers develop alcohol sensitivity after using ethanol, which... see more

Anthocyanin is pigments are red, purple and blue that commonly found in plants and can be used as a natural dye. One kind of plant that can be extracted as a source of natural dyes and contain anthocyanin is rosella petals flower. The use of solvents and ... see more

Introduction: Endodontic retreatment seeks reentry to the root canal system to remove all filling material, identification and correction of pathological or iatrogenic defects. Objective: This study aimed to compare the dissolving capacity of eucalyptus o... see more

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