Results 11 to 20 of about 512,433 (365)

Dynamics of airflow in a short inhalation [PDF]

open access: yes, 2015
During a rapid inhalation, such as a sniff, the flow in the airways accelerates and decays quickly. The consequences for flow development and convective trans- port of an inhaled gas were investigated in a subject geometry extending from the nose to the bronchi.
Bates, Alister   +7 more
arxiv   +7 more sources

Effects of Δ⁹-tetrahydrocannabinol (THC) vapor inhalation in Sprague-Dawley and Wistar rats. [PDF]

open access: yes, 2021
An inhalation system based on e-cigarette technology produces hypothermic and antinociceptive effects of Δ⁹-tetrahydrocannabinol (THC) in rats. Indirect comparison of some prior investigations suggested differential impact of inhaled THC between Wistar ...
Cole, Maury   +4 more
core   +1 more source

Pulmonary Toxicity of Polystyrene, Polypropylene, and Polyvinyl Chloride Microplastics in Mice

open access: yesMolecules, 2022
Globally, plastics are used in various products. Concerns regarding the human body’s exposure to plastics and environmental pollution have increased with increased plastic use.
Isaac Kwabena Danso   +2 more
doaj   +1 more source

In-vitro and Particle Image Velocimetry Studies of Dry Powder Inhalers [PDF]

open access: yesInt J Pharm 592 (2021) p.119966, 2021
Inhalation drug delivery has seen a swift rise in the use of dry powder inhalers (DPIs) to treat chronic respiratory conditions. However, universal adoption of DPIs has been restrained due to their low efficiencies and significant drug losses in the mouth-throat region. Aerosol efficiency of DPIs is closely related to the fluid-dynamics characteristics
arxiv   +1 more source

Using the Isolated Rat Placenta to Assess Fetoplacental Hemodynamics

open access: yesFrontiers in Toxicology, 2022
Placental health is critical to fetal growth and maternal health during gestation. However, investigating placental flow in an ex-vivo isolated system where inflow is independently controlled has yet to be developed in the rat.
K. L. Garner   +11 more
doaj   +1 more source

Inhale: Enabling High-Performance and Energy-Efficient In-SRAM Cryptographic Hash for IoT [PDF]

open access: yes, 2022
In the age of big data, information security has become a major issue of debate, especially with the rise of the Internet of Things (IoT), where attackers can effortlessly obtain physical access to edge devices. The hash algorithm is the current foundation for data integrity and authentication.
arxiv   +1 more source

Nebulized heparin in burn patients with inhalation trauma : safety and feasibility [PDF]

open access: yes, 2020
Background: Pulmonary hypercoagulopathy is intrinsic to inhalation trauma. Nebulized heparin could theoretically be beneficial in patients with inhalation injury, but current data are conflicting.
Binnekade, Jan M.   +17 more
core   +2 more sources

The Inhalation Characteristics of Patients When They Use Different Dry Powder Inhalers [PDF]

open access: yes, 2015
Background: The characteristics of each inhalation maneuver when patients use dry powder inhalers (DPIs) are important, because they control the quality of the emitted dose.
Alaboud A   +8 more
core   +1 more source

Metalloproteinases and their Inhibitors under the Course of Immunostimulation by CPG-ODN and Specific Antigen Inhalation in Equine Asthma [PDF]

open access: yes, 2019
Objectives. Inhalation of immunostimulatory bacterial DNA segments (cytosine-phosphate-guanosine-oligodeoxynucleotides, CpG-ODN) normalizes clinical and cytologic parameters in severe equine asthma.
Barton, Ann Kristin   +5 more
core   +1 more source

Maternal nano-titanium dioxide inhalation alters fetoplacental outcomes in a sexually dimorphic manner

open access: yesFrontiers in Toxicology, 2023
The placenta plays a critical role in nutrient-waste exchange between the maternal and fetal circulations, thus functioning as an interface that profoundly impacts fetal growth and development. The placenta has long been considered an asexual organ, but,
Julie A. Griffith   +19 more
doaj   +1 more source

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