Results 121 to 130 of about 742,635 (391)

Carbon nanotubes – Characteristic of the substance, biological effects and occupational exposure levels

open access: yesMedycyna Pracy, 2017
Carbon nanotubes (CNTs) are a diverse group of nano-objects in terms of structure, size (length, diameter), shape and characteristics. The growing interest in these structures is due to the increasing number of people working in exposure to CNTs ...
Anna Maria Świdwińska-Gajewska   +1 more
doaj   +1 more source

Geochemistry and risk assessment of street dust in Luanda, Angola, a tropical urban environment [PDF]

open access: yes, 2005
A total of 92 samples of street dust were collected in Luanda, Angola, were sieved below 100 μm, and analysed by ICP-MS for 35 elements after an aqua-regia digestion.
Ferreira Baptista, Lopes   +1 more
core   +2 more sources

Electrosynthesis of Bioactive Chemicals, From Ions to Pharmaceuticals

open access: yesAdvanced Functional Materials, EarlyView.
This review discusses recent advances in electrosynthesis for biomedical and pharmaceutical applications. It covers key electrochemical materials enabling precise delivery of ions and small molecules for cellular modulation and disease treatment, alongside catalytic systems for pharmaceutical synthesis.
Gwangbin Lee   +4 more
wiley   +1 more source

Drug consumption among medical students in São Paulo, Brazil: influences of gender and academic year Consumo de drogas entre estudantes de medicina em São Paulo: influências de gênero e ano letivo

open access: yesBrazilian Journal of Psychiatry, 2009
OBJECTIVE: To analyze alcohol, tobacco and other drug use among medical students. METHOD: Over a five-year period (1996-2001), we evaluated 457 students at the Universidade de São Paulo School of Medicine, located in São Paulo, Brazil.
Lucio Garcia de Oliveira   +6 more
doaj   +1 more source

Pulmonary Delivery of siRNA Anti‐TNFα‐loaded Lipid Nanoparticles for Rapid Recovery in Murine Acute Lung Injury

open access: yesAdvanced Healthcare Materials, EarlyView.
In a murine model of acute lung injury, pulmonary administration of lipid nanoparticles carrying TNFα siRNA enables targeted delivery to immune cells. The study emphasises the importance of optimizing LNP distribution and delivery timing to improve therapeutic outcomes and develop emergency therapies for lung hyperinflammation.
Qinglin Wang   +14 more
wiley   +1 more source

Exploring the role of quantitative feedback in inhaler technique education : a cluster-randomised, two-arm, parallel-group, repeated-measures study [PDF]

open access: yes, 2014
Peer reviewedPublisher ...
Amin Basheti, Iman   +3 more
core   +2 more sources

A Novel Sprayable Fibrinogen/Glycosaminoglycans/Collagen‐Based Bioink for Skin Wound Healing Applied by a Handheld Dual‐Head Airbrush

open access: yesAdvanced Healthcare Materials, EarlyView.
A dual‐head airbrush‐based spraying device, combined with a fibrinogen bioink enriched with glycosaminoglycans and collagen, enables the delivery of biomaterials and cells to promote wound healing. This system demonstrates effective skin regeneration in vitro and in vivo, with comparable results to autografts.
Paula Pleguezuelos‐Beltrán   +7 more
wiley   +1 more source

Assessment of the Aerosol Generation and Toxicity of Carbon Nanotubes

open access: yesNanomaterials, 2014
Current interest in the pulmonary toxicity of carbon nanotubes (CNTs) has resulted in a need for an aerosol generation system that is capable of consistently producing a CNT aerosol at a desired concentration level.
Patrick T. O'Shaughnessy   +3 more
doaj   +1 more source

Inhalation Devices [PDF]

open access: yesCanadian Respiratory Journal, 2018
Petra Moroni-Zentgraf   +2 more
openaire   +5 more sources

Administration of Nebulized Ketamine for Managing Acute Pain in the Emergency Department: A Case Series [PDF]

open access: yes, 2020
Ketamine administration in sub-dissociative doses in the emergency department (ED) results in effective pain relief in patients with acute traumatic and non-traumatic pain, chronic pain, and opioid-tolerant pain.
Butt, Mahlaqa   +5 more
core  

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