Results 51 to 60 of about 124,440 (339)

Hooray for Hypoxia? [PDF]

open access: yes, 2005
The mortality of critically ill patients rises steadily as the partial pressure of arterial oxygen falls below about 11 kPa (80 mm Hg). A new animal study in the May 2005 issue of PLoS Biology showing a potential benefit for hypoxia is thus a challenge ...
Bellingan, G
core   +4 more sources

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

open access: yesAdvanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa   +3 more
wiley   +1 more source

COVID‐19 critical illness pathophysiology driven by diffuse pulmonary thrombi and pulmonary endothelial dysfunction responsive to thrombolysis

open access: yesClinical and Translational Medicine, 2020
Patients with severe COVID‐19 disease have been characterized as having the acute respiratory distress syndrome (ARDS). Critically ill COVID‐19 patients have relatively well‐preserved lung mechanics despite severe gas exchange abnormalities, a feature ...
Hooman D. Poor   +9 more
doaj   +1 more source

Novel Use of a Bronchial Blocker in a Challenging Case of Congenital Diaphragmatic Hernia—A Case Report

open access: yesChildren, 2021
The diagnosis of congenital diaphragmatic hernia (CDH) is associated with significant morbidity and mortality. Survival of neonates with CDH has improved recently, although the clinical course is complicated by sequelae of hypoplastic pulmonary ...
Deepika Sankaran   +4 more
doaj   +1 more source

Piezoelectric Stimulation of Neural Cells: Exploring the Synergistic Potential of Hybrid Scaffolds for Enhanced Regeneration

open access: yesAdvanced Materials Interfaces, EarlyView.
Hybrid piezoelectric scaffolds offer a promising route for Central Nervous System regeneration by combining structural and electrical cues to support neural stem cell growth. This review highlights their potential to overcome current challenges in neural tissue engineering by exploring porous hybrid materials, their biological interactions, and ...
Heather F. Titterton   +2 more
wiley   +1 more source

Temperature‐Dependent Zinc Oxide Cathodoluminescence: Toward Compact Wavelength‐Tunable Solid‐State Photoionization Sources

open access: yesAdvanced Optical Materials, EarlyView.
A proof‐of‐concept of a thermally‐tunable cathodoluminescence‐based light source is demonstrated using a wide‐bandgap z‐cut ZnO crystal as anode, resulting in the ultraviolet (UV) emission peak shifting from 398 nm to ~409 nm (3.115‐3.032 eV). Our results establish the feasibility of a compact, field‐deployable UV source with potential for gas sensing ...
Rui M. R. Pinto   +7 more
wiley   +1 more source

Abnormal Exercise Gas Exchange Before Pulmonary Emboli Diagnosis

open access: yesMayo Clinic Proceedings: Innovations, Quality & Outcomes
A 20-year-old male underwent diagnostic testing due to unexplained shortness of breath and chest discomfort. He had no previous medical problems and was not taking any medications.
Timothy Edwards, MS   +2 more
doaj   +1 more source

A Multivariable Index for Grading Exercise Gas Exchange Severity in Patients with Pulmonary Arterial Hypertension and Heart Failure

open access: yesPulmonary Medicine, 2012
Patients with pulmonary arterial hypertension (PAH) and heart failure (HF) display many abnormalities in respiratory gas exchange. These abnormalities are accentuated with exercise and track with disease severity.
Chul-Ho Kim   +3 more
doaj   +1 more source

PATHOLOGIC PHYSIOLOGY OF EXACERBATIONS OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE

open access: yesВестник анестезиологии и реаниматологии, 2019
The lecture describes the mechanisms of deterioration of respiratory exchange during exacerbation of chronic obstructive pulmonary disease (COPD). It has been demonstrated that the rapid diagnosis and treatment of exacerbations is an important part of ...
S. N. Avdeev
doaj   +1 more source

Hyperpolarized Xe MR imaging of alveolar gas uptake in humans. [PDF]

open access: yesPLoS ONE, 2010
One of the central physiological functions of the lungs is to transfer inhaled gases from the alveoli to pulmonary capillary blood. However, current measures of alveolar gas uptake provide only global information and thus lack the sensitivity and ...
Zackary I Cleveland   +10 more
doaj   +1 more source

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