In this paper, Krapcho's one-step decarbomethoxylation of oleuropein in DES is reported. Oleuropein used as reagent was extracted with water from olive leaves, widely available and inexpensive waste from the olive oil production chain. The reaction has been carried out in a series of ChCl-based DES of increasing acidity, with or without the addition of an amount of water, under microwave and conventional heating.
View Article and Find Full Text PDFTwenty-one rissoid species have been found in four bathyal samples from the Strait of Sicily, represented exclusively by empty shells. Some of these species are shallow water dwellers, associated with algal facies, others are typical of deep-sea (bathyal-abyssal). Two species are described as new (Alvania ismar n.
View Article and Find Full Text PDFContext: The National Board of Osteopathic Medical Examiners (NBOME) administers the Comprehensive Osteopathic Medical Licensing Examination of the United States (COMLEX-USA), a three-level examination designed for licensure for the practice of osteopathic medicine. The examination design for COMLEX-USA Level 3 (L3) was changed in September 2018 to a two-day computer-based examination with two components: a multiple-choice question (MCQ) component with single best answer and a clinical decision-making (CDM) case component with extended multiple-choice (EMC) and short answer (SA) questions. Continued validation of the L3 examination, especially with the new design, is essential for the appropriate interpretation and use of the test scores.
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