Publications by authors named "J A Carrion"
Article Synopsis
- Peru is a significant player in the coffee market, ranking as the ninth-largest producer and the leading exporter of organic coffee globally, with a focus on how fermentation affects flavor.
- This study explored the diversity of bacterial communities during different fermentation durations in northern Peru using advanced genetic sequencing techniques, highlighting the critical role of specific acid-tolerant bacteria in enhancing coffee quality.
- Results showed that longer fermentation periods positively influence the sensory attributes of coffee by promoting the production of various enzymes and volatile compounds, suggesting that these processes could lead to higher-quality beans and offer new biotechnological opportunities.
Positron emission tomography (PET) utilizes radiotracers like [F]fluorodeoxyglucose (FDG) to measure brain activity in health and disease. Performing behavioral tasks between the FDG injection and the PET scan allows the FDG signal to reflect task-related brain networks. Building on this principle, we introduce an approach called behavioral task-associated PET (beta-PET) consisting of two scans: the first after a mouse is familiarized with a conditioning chamber, and the second upon recall of contextual threat.
View Article and Find Full Text PDFPositron emission tomography (PET) is a highly sensitive tool for studying physiology and metabolism through positron-emitting radionuclides that label molecular targets in the body with unparalleled specificity, without disturbing their biological function. Here, we introduce a small-animal technique called behavioral task-associated PET (beta-PET) consisting of two scans: the first after a mouse is familiarized with a conditioning chamber, and the second upon recall of contextual threat. Associative threat conditioning occurs between the scans.
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- This study investigates the relationship between hepatic venous pressure gradient (HVPG) and direct portal pressure (DPP) in cirrhosis patients who still have esophageal varices (EV) after treatment to remove the underlying cause, even when HVPG is low (<10 mmHg).
- Ten patients with hepatitis C virus (HCV) or alcohol-related cirrhosis were examined, showing that HVPG correlates well with portal pressure measurements but doesn't fully explain the persistence of varices post-treatment.
- The research suggests that while HVPG reflects overall portal pressure accurately, the presence of varices after treatment needs further exploration, indicating a gap in understanding the benefits of treatment for patients with EV but low HVPG.