Results 41 to 50 of about 108,514 (272)

Evaluation of the Diagnostic Accuracy of Nasal Cavity and Nasopharyngeal Swab Specimens for SARS-CoV-2 Detection via Rapid Antigen Test According to Specimen Collection Timing and Viral Load

open access: yesDiagnostics, 2022
The rapid diagnosis of SARS-CoV-2 is an essential aspect in the detection and control of the spread of COVID-19. We evaluated the accuracy of the rapid antigen test (RAT) using samples from the nasal cavity and nasopharynx based on sample collection ...
Seungjun Lee   +5 more
doaj   +1 more source

High Repetition Rate Laser‐Induced Printing of Bioink with Picosecond Pulse Durations: Optimization of the Printing Process

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the use of laser‐induced forward transfer in the picosecond regime to create in vitro biomodels. Focusing on hydrodynamics and rheology, it investigates jet dynamics through time‐resolved imaging, optimizing laser fluence, biological ink viscosity, and printing distance to precisely control the volume and location of bioink ...
Lucas Duvert   +5 more
wiley   +1 more source

Foreign Bodies in Nasal Cavity: Our Experience over 1 Year [Nazal Kavitede Yabanci Cisim: 1 Yillik Sonuclarimiz]

open access: yesMedicine Science, 2015
The aim of this study is to determine some parameters such as the structure of foreign body, age of patient etc. in patients with foreign body in their nasal cavity.
Korhan Kilic, Muhammed Sedat Sakat
doaj   +1 more source

Regioselective and Anisotropic Multi‐Patching of Small Microparticles via a Polymer Brush‐Assisted Microcontact Printing (µCP)

open access: yesAdvanced Functional Materials, EarlyView.
A method to fabricate anisotropic SiO2 patchy microspheres is presented using a modified microcontact printing technique. This involves a PDMS elastomer stamp with grooved surface topography, creating a confined environment for the microspheres.
Martin Reifarth   +10 more
wiley   +1 more source

Intraoral Drug Delivery: Bridging the Gap Between Academic Research and Industrial Innovations

open access: yesAdvanced Functional Materials, EarlyView.
Intraoral drug delivery offers a promising route for systemic and localized therapies, yet challenges such as enzymatic degradation, limited permeability, and microbial interactions hinder efficacy. This figure highlights innovative strategies—mucoadhesive materials, enzyme inhibitors, and permeation enhancers—to overcome these barriers.
Soheil Haddadzadegan   +4 more
wiley   +1 more source

Impaired nasal breathing and allergic rhinitis in children

open access: yesМедицинский совет, 2015
Impaired nasal breathing is one of the most frequent causes for seeking otorhinolaryngologist's aid. In childhood, it affects the quality of life and learning, and during infancy - the overall development of the baby and its activities.
T. I. Garaschenko, N. E. Boikova
doaj   +1 more source

Ammonia Dynamics in the Human Body: Insights in Biomedical Sensing Technologies

open access: yesAdvanced Sensor Research, EarlyView.
Ammonia (NH3) is a significant biomarker in diagnostics, affecting the respiratory system, stomach, liver, kidneys, bladder, and gastrointestinal tract. NH3 detection, using sensors, has the potential to improve medical diagnosis. This review examines recent advancements in NH3 sensing technologies and explores future research directions, including ...
Annelot Nijkoops   +8 more
wiley   +1 more source

Bi‐directional nasal drug delivery systems: A scoping review of nasal particle deposition patterns and clinical application

open access: yesLaryngoscope Investigative Otolaryngology, 2023
Objectives To compare the deposition patterns within the nasal cavity between the bi‐directional and unilateral nasal delivery systems. And to summarize the clinical application of the bi‐directional nasal drug delivery devices.
Yuxing Liu, Dawei Wu
doaj   +1 more source

Inhalable Hsa‐miR‐30a‐3p Liposomes Attenuate Pulmonary Fibrosis

open access: yesAdvanced Science, EarlyView.
The study explores inhalable hsa‐miR‐30a‐3p‐loaded liposomes as a treatment for bleomycin‐induced pulmonary fibrosis in mice. Hsa‐miR‐30a‐3p is electroporated into liposomes and formulated into a dry powder for inhalation. Delivered via dry powder inhalation, it improves pulmonary function, promotes myofibroblast de‐differentiation by targeting CNPY2 ...
Shuo Liu   +14 more
wiley   +1 more source

Numerical simulation of the influence of nasal cycle on nasal airflow

open access: yesScientific Reports
To study the characteristics of nasal airflow in the presence of nasal cycle by computational fluid dynamics. CT scan data of a healthy Chinese individual was used to construct a three-dimensional model of the nasal cavity to be used as simulation domain.
Jing Wei   +7 more
doaj   +1 more source

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