MULTI-METHODOLOGICAL CHARACTERISATION OF COSTA RICAN BIOCHARS FROM SMALL-SCALE RETORT AND TOP-LIT UPDRAFT STOVES AND INTER-METHODOLOGICAL COMPARISON

Multi-methodological characterisation of Costa Rican biochars from small-scale retort and top-lit updraft stoves and inter-methodological comparison

We applied common (pH, elemental analysis, thermogravimetry) and less-common (infrared spectroscopy, GACS adsorption test, pyrolysis-GC-MS, hydrogen pyrolysis) analytical procedures to a set of biochars from Costa Rica (bamboo stalk, cacao chaff, sawmill scrap, coconut husk and orchard prunings feedstocks).The biochars were produced by high tempera

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Using Systems Engineering and Implementation Science to Design an Implementation Package for Preoperative Comprehensive Geriatric Assessment Among Older Adults Having Major Abdominal Surgery: Protocol for a 3-Phase Study

BackgroundOlder Americans, a growing segment of the population, have an increasing need for surgical services, and they experience a disproportionate burden of postoperative complications compared to their younger counterparts.A preoperative comprehensive geriatric assessment (pCGA) is recommended to reduce risk and improve surgical care delivery f

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Explosive Vomiting Associated with Proximal Colonic Distention during a Difficult Propofol-Assisted Colonoscopy

We present a case of explosive Zaino vomiting associated with the extensive manipulation of the proximal colon during a difficult colonoscopy procedure.The cause of vomiting in this case may have been multifactorial; however, proximal colonic distention was the most likely factor because the onset of vomiting coincided with proximal colonic manipul

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