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Nitrogenative Degradation of Polystyrene Waste.
J Am Chem Soc
January 2025
Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, P. R. China.
Owing to massive production and poor end-of-life management, plastic waste pollution has become one of the most pressing environmental crises. In response to the mounting crisis, the past several decades have witnessed the development of numerous methods and technologies for plastic recycling. However, most of the current recycling technologies often produce low-quality or low-value products, making it difficult to recover the operating costs.
View Article and Find Full Text PDFClinical application and progress in preoxygenation techniques.
Minerva Anestesiol
December 2024
Department of Anesthesia, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China -
Introduction: Airway management is often a life-saving procedure for patients. However, during airway management, difficult ventilation and difficult intubation are not always predictable. Preoxygenation, a crucial technique to improve oxygen reserves, plays a vital role in preventing hypoxemia during anesthesia induction.
View Article and Find Full Text PDFEnd-Tidal Oxygen as an Effective Noninvasive Measure of Preoxygenation during Rapid Sequence Intubation in the Emergency Department.
J Emerg Med
January 2025
Department of Emergency Medicine, Yale New Haven Hospital, New Haven, Connecticut.
Background: Preoxygenation is intended to extend the duration of apnea until desaturation occurs. End-tidal oxygen (ETO) is the standard for measuring preoxygenation, however, peripheral capillary oxygen saturation (SpO) is used more commonly within the emergency department.
Objective: The primary aim was to determine whether patients were optimally preoxygenated as measured by ETO vs.
Efficacy of high-flow nasal oxygenation during induction of general anaesthesia in parturients living with obesity: a two-centre, prospective, randomised clinical trial.
Anaesthesia
November 2024
Department of Anesthesiology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.
Article Synopsis
- High-flow nasal oxygenation improves oxygenation during anaesthesia induction for pregnant women with obesity, but its effects compared to standard facemask ventilation were studied due to a lack of existing data.
- A clinical trial involving 54 participants revealed that those using high-flow nasal oxygen had significantly higher oxygen levels after pre-oxygenation compared to the facemask group.
- While high-flow nasal oxygen showed improved oxygenation results, the differences weren’t deemed clinically significant, suggesting it could be a viable option for these patients.
Long-Circulating Nanoemulsion with Oxygen and Drug Co-Delivery for Potent Photodynamic/Antibiotic Therapy Against Multidrug-Resistant Gram-Negative Bacterial Infection.
Int J Nanomedicine
November 2024
School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, People's Republic of China.
Purpose: Compared to conventional photodynamic therapy (PDT), oxygen-affording PDT represents a promising strategy for treating multidrug-resistant (MDR) gram-negative bacterial infections due to its enhanced sensitization ability towards bacteria and amplified therapeutic efficacy. Over the last decade, various nanoplatforms for the co-delivery of oxygen and photosensitizers have been developed. However, their application in the treatment of infectious diseases is hampered by their poor stability and easy clearance by the reticuloendothelial system (RES).
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