Enginyeria Electrònica i Biomèdica: Envíos recientes
Mostrando ítems 241-260 de 781
Miniaturizable ion-selective arrays based on highly stable polymer membranes for biomedical applications
Poly(vinylchloride) (PVC) is the most common polymer matrix used in the fabrication of ion-selective electrodes (ISEs). However, the surfaces of PVC-based sensors have been reported to show membrane instability. In an ...
First characterization results obtained in a wind tunnel designed for indoor gas source detection
This paper presents the preliminary characterization results of a custom wind tunnel for designed for performing experiments on locating a volatile gas source with a mobile robot. Such experiments require a previous ...
Fast-degrading PLA/ORMOGLASS fibrous composite scaffold leads to a calcium-rich angiogenic environment
The success of scaffold implantation in acellular tissue engineering approaches relies on the ability of the material to interact properly with the biological environment. This behavior mainly depends on the design of the ...
Bioinspired Early Detection through gas flow modulation in chemo-sensory systems
The design of bioinspired systems for chemical sensing is an engaging line of research in machine olfaction. Developments in this line could increase the lifetime and sensitivity of artificial chemo-sensory systems. Such ...
Design of a Customized multipurpose nano-enabled implantable system for in-vivo theranostics
The first part of this paper reviews the current development and key issues on implantable multi-sensor devices for in vivo theranostics. Afterwards, the authors propose an innovative biomedical multisensory system for in ...
Artificial Olfaction in the 21st Century
The human olfactory system remains one of the most challenging biological systems to replicate. Humans use it without thinking, where it can measure offer protection from harm and bring enjoyment in equal measure. It is ...
Combining three-dimensionality and CaP glass-PLA composites: Towards an efficient vascularization in bone tissue healing
Bone regeneration often fails due to implants/grafts lacking vascular supply, causing necrotic tissue and poor integration. Microsurgical techniques are used to overcome this issue, allowing the graft to anastomose. These ...
Nanoscale ligand density modulates gap junction intercellular communication of cell condensates during chondrogenesis
Aim: To unveil the influence of cell-matrix adhesions in the establishment of gap junction intercellular communication (GJIC) during cell condensation in chondrogenesis. Materials & methods: Previously developed nanopatterns ...
Composite biomaterials as long-lasting scaffolds for 3D bioprinting of highly aligned muscle tissue
New biocompatible materials have enabled the direct 3D printing of complex functional living tissues, such as skeletal and cardiac muscle. Gelatinmethacryloyl (GelMA) is a photopolymerizable hydrogel composed of natural ...
The ESCRT-III machinery participates in the production of extracellular vesicles and protein export during Plasmodium falciparum infection
Infection with Plasmodium falciparum enhances extracellular vesicle (EV) production in parasitized red blood cells (pRBCs), an important mechanism for parasite-to-parasite communication during the asexual intraerythrocytic ...
Microfabrication of poly(acrylamide) hydrogels with independently controlled topography and stiffness
The stiffness and topography of a cell's extracellular matrix are physical cues that play a key role in regulating processes that determine cellular fate and function. While substrate stiffness can dictate cell differentiation ...
Data set from gas sensor array under flow modulation
Recent studies in neuroscience suggest that sniffing, namely sampling odors actively, plays an important role in olfactory system, especially in certain scenarios such as novel odorant detection. While the computational ...
Efficient long-range conduction in cable bacteria through nickel protein wires
Filamentous cable bacteria display long-range electron transport, generating electrical currents over centimeter distances through a highly ordered network of fibers embedded in their cell envelope. The conductivity of ...
Effect of surface functionalization and loading on the mechanical properties of soft polymeric nanoparticles prepared by nano-emulsion templating
Drug and gene delivery systems based on polymeric nanoparticles offer a greater efficacy and a reduced toxicity compared to traditional formulations. Recent studies have evidenced that their internalization, biodistribution ...
Lunar occultations events from the Earth-Moon equilateral Lagrangian point: Simulations and scientific potential
Recently, a novel idea has been proposed to use a spacecraft orbiting closely around the L4 or L5 Lagrangian points of the Earth–Moon system as a vantage location for astronomical observations under unique and advantageous ...
Understanding odor information segregation in the olfactory bulb by means of mitral and tufted cells
Odor identification is one of the main tasks of the olfactory system. It is performed almost independently from the concentration of the odor providing a robust recognition. This capacity to ignore concentration information ...
Multilayered broadband antenna for compact embedded implantable medical devices: design and characterization
Design and characterization of a multilayered compact implantable broadband antenna for wireless biotelemetry applications is presented in this paper. The main features of this novel design are miniaturized size, structure ...
A microphysiological system combining electrospun fibers and electrical stimulation for the maturation of highly anisotropic cardiac tissue
The creation of cardiac tissue models for preclinical testing is still a non-solved problem in drug discovery, due to the limitations related to the in vitro replication of cardiac tissue complexity. Among these limitations, ...
Instrumental drift removal in GC-MS data for breath analysis: the short-term and long term temporal validation of putative biomarkers for COPD
Breath analysis holds the promise of a non-invasive technique for the diagnosis of diverse respiratory conditions including COPD and lung cancer. Breath contains small metabolites that may be putative biomarkers of these ...
Optically active Er3+ ions in SiO2 codoped with Si nanoclusters
Optical properties of directly excited erbium (Er3+) ions have been studied in silicon rich silicon oxide materials codoped with Er3+. The spectral dependence of the direct excitation cross section (σdir) of the Er3+ atomic ...
