Results 61 to 70 of about 330,973 (257)

Optimal Estimation of Recurrence Structures from Time Series [PDF]

open access: yes, 2015
Recurrent temporal dynamics is a phenomenon observed frequently in high-dimensional complex systems and its detection is a challenging task. Recurrence quantification analysis utilizing recurrence plots may extract such dynamics, however it still encounters an unsolved pertinent problem: the optimal selection of distance thresholds for estimating the ...
arxiv   +1 more source

Phase transitions in biological membranes

open access: yes, 2018
Native membranes of biological cells display melting transitions of their lipids at a temperature of 10-20 degrees below body temperature. Such transitions can be observed in various bacterial cells, in nerves, in cancer cells, but also in lung ...
A Blicher   +76 more
core   +1 more source

Cross-approximate entropy of cortical local field potentials quantifies effects of anesthesia - a pilot study in rats [PDF]

open access: yes, 2010
Background Anesthetics dose-dependently shift electroencephalographic (EEG) activity towards high-amplitude, slow rhythms, indicative of a synchronization of neuronal activity in thalamocortical networks. Additionally, they uncouple brain areas in higher
Antkowiak, Bernd   +5 more
core   +3 more sources

Conducting Polymer Microelectrode Arrays for Simultaneous Electrophysiology and Advanced Brain Imaging

open access: yesAdvanced Functional Materials, EarlyView.
A flexible micro‐electrocorticography array with PEDOT:SS electrodes is shown to be compatible with ultra‐high magnetic field MRI up to 9.4 T. Multimodal brain monitoring is demonstrated by performing simultaneous blood oxygen level‐dependent functional MRI in parallel with electrophysiology.
Sagnik Middya   +7 more
wiley   +1 more source

Bioresorbable and Wireless Rechargeable Implanted Na‐ion Battery for Temporary Medical Devices

open access: yesAdvanced Functional Materials, EarlyView.
An all‐solid‐state bioresorbable Na‐ion battery is developed, composed entirely of bio‐eliminable materials. In vivo and ex vivo tests confirmed harmless disintegration of this implanted battery. Lifetime of the implanted battery can be precisely controlled by adjusting the dissolvable encapsulation layer's thickness.
Vedi Kuyil Azhagan Muniraj   +8 more
wiley   +1 more source

Vibrational Infrared Lifetime of the Anesthetic nitrous oxide gas in solution [PDF]

open access: yesBiophysical Review Letters, 1:309-316 (2006), 2007
The lifetime of the asymmetric fundamental stretching 2218 cm$^{-1}$ vibration of the anesthetic gas nitrous oxide (N$_2$O) dissolved in octanol and olive oil is reported. These solvents are model systems commonly used to assess anesthetic potency. Picosecond time-scale molecular dynamics simulations have suggested that protein dynamics or membrane ...
arxiv  

Ropivacaine vs tetracaine in topical anesthesia for intravitreal injection [PDF]

open access: yes, 2015
Aim: The object of the study was to evaluate the long term efficacy and safety of ropivacaine 0,5% vs tetracaine 0,5% for topical anesthesia in intravitreal injection of dexamethasone in patients with diabetic macular edema (DME) and anti-vascular ...
COLLINI, Saul   +6 more
core   +1 more source

Biomimetic Design of Biocompatible Neural Probes for Deep Brain Signal Monitoring and Stimulation: Super Static Interface for Immune Response‐Enhanced Contact

open access: yesAdvanced Functional Materials, EarlyView.
Ultrathin, flexible neural probes are developed with an innovative, biomimetic design incorporating brain tissue‐compatible materials. The material system employs biomolecule‐based encapsulation agents to mitigate inflammatory responses, as demonstrated through comprehensive in vitro and in vivo studies.
Jeonghwa Jeong   +7 more
wiley   +1 more source

Biocompatibility of Water‐Dispersible Pristine Graphene and Graphene Oxide Using a Close‐to‐Human Animal Model: A Pilot Study on Swine

open access: yesAdvanced Healthcare Materials, EarlyView.
Graphene‐based materials are attracting considerable interest for biomedical applications. Analysis of their biocompatibility is required before their clinical translation, and swine represents an excellent close‐to‐human model. This study evaluates the toxicological and immunological impact of pristine graphene and graphene oxide through a compendium ...
Paola Nicolussi   +26 more
wiley   +1 more source

Postoperative pain management in children: Guidance from the pain committee of the European Society for Paediatric Anaesthesiology (ESPA Pain Management Ladder Initiative) [PDF]

open access: yes, 2018
The main remit of the European Society for Paediatric Anaesthesiology (ESPA) Pain Committee is to improve the quality of pain management in children. The ESPA Pain Management Ladder is a clinical practice advisory based upon expert consensus to help to ...
Adamek   +196 more
core   +1 more source

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