Institut de Nanociència i Nanotecnologia (IN2UB): Envíos recientes
Mostrando ítems 241-260 de 375
Heparin Administered to Anopheles in Membrane Feeding Assays Blocks Plasmodium Development in the Mosquito
Innovative antimalarial strategies are urgently needed given the alarming evolution of resistance to every single drug developed against Plasmodium parasites. The sulfated glycosaminoglycan heparin has been delivered in ...
Dynamics of equilibration and collisions in ultradilute quantum droplets
Employing time-dependent density-functional theory, we have studied dynamical equilibration and binary head-on collisions of quantum droplets taking as a case of study droplets made of a 39 K - 39 K Bose mixture. The phase ...
Differential regulation of insulin signalling by monomeric and oligomeric amyloid beta-peptide
Alzheimer's disease and Type 2 diabetes are pathological processes associated to ageing. Moreover, there are evidences supporting a mechanistic link between Alzheimer's disease and insulin resistance (one of the first ...
Ultra rapid in vivo screening for anti-Alzheimer anti-amyloid drugs
More than 46 million people worldwide suffer from Alzheimer's disease. A large number of potential treatments have been proposed; among these, the inhibition of the aggregation of amyloid β-peptide (Aβ), considered one of ...
Engineering Cell-Derived Matrices: From 3D Models to Advanced Personalized Therapies
Regenerative medicine and disease models have evolved in recent years from two to three dimensions, providing in vitro constructs that are more similar to in vivo tissues. By mimicking native tissues, cell-derived matrices ...
An in-situ DRIFTS-MS study of the photocatalytic H2 production from ethanol(aq) vapor over Pt/TiO2 and Pt-Ga/TiO2 catalysts
In this paper, Pt/TiO2 and Ptsingle bondGa/TiO2 catalysts with similar Pt dispersion and similar structural and morphological characteristics were compared in the H2 production from the phototransformation of aqueous ...
Superfluid helium droplet-mediated surface-deposition of neutral and charged silver atomic species.
Experimental and theoretical work has delivered evidence of the helium nanodroplet-mediated synthesis and soft-landing of metal nanoparticles, nanowires, clusters, and single atoms on solid sup- ports. Recent experimental ...
Loading of beclomethasone in liposomes and hyalurosomes improved with mucin as effective approach to counteract the oxidative stress generated by cigarette smoke extract
In this work beclomethasone dipropionate was loaded into liposomes and hyalurosomes modified with mucin to improve the ability of the payload to counteract the oxidative stress and involved damages caused by cigarette smoke ...
Deu anys de seguiment demogràfic i genètic d'Stachys maritima a Catalunya (2001-2010). Implicacions per a un pla de recuperació.
Ten years of demographic and genetic monitoring of Stachys maritima in Catalonia (2001-2010). Implications for a recovery plan.- Stachys maritima is a species typical of the coastal dunes, with a wide distribution within ...
Physical and photocatalytic properties of sprayed Dy doped ZnO thin films under sunlight irradiation for degrading methylene blue
Dysprosium-doped zinc oxide (ZnO) thin films have been prepared through spray pyrolysis onto glass substrates. Cross-sections of the deposited thin films were assessed through Scanning Electron Microscopy (SEM), showing ...
On the Binding of Congo Red to Amyloid Fibrils
Amyloids are characterized by their capacity to bind Congo red (CR), one of the most used amyloid‐specific dyes. The structural features of CR binding were unknown for years, mainly because of the lack of amyloid structures ...
Magnetic Nanoparticles Cross the Blood-Brain Barrier: When Physics Rises to a Challenge
The blood-brain barrier is a physical and physiological barrier that protects the brain from toxic substances within the bloodstream and helps maintain brain homeostasis. It also represents the main obstacle in the treatment ...
Spontaneous Hetero-attachment of Single-Component Colloidal Precursors for the Synthesis of Asymmetric Au−Ag2X (X = S, Se) Heterodimers
Finding simple, easily controlled, and flexible synthetic routes for the preparation of ternary and hybrid nanostructured semiconductors is always highly desirable, especially to fulfill the requirements for mass production ...
Photoluminescence of ZnO Nanowires: A Review
One-dimensional ZnO nanostructures (nanowires/nanorods) are attractive materials for applications such as gas sensors, biosensors, solar cells, and photocatalysts. This is due to the relatively easy production process of ...
Video-rate quantitative phase imaging with dynamic acousto-optic defocusing
Various quantitative phase imaging techniques exist capable of characterizing transparent and low-contrast samples without the addition of dyes or fluorescent probes. Among them, the transport of intensity equation (TIE) ...
The template effect of a SiF62- guest drives the formation of a heteroleptic Fe(II) coordination helicate
The anion SiF62− exerts a strong template effect, driving the exclusive assembly of two different bispyridylpyrazolyl ligands into a triple stranded Fe(II) dinuclear heteroleptic helicate, engendering a new class within ...
Polyamide fabric coated with a DHA-loaded chitosan hydrogel for a cosmeto-textile application
Cosmeto-textiles, which allow the administration of molecules when in contact with the skin, are increasingly being developed by cosmetic industries. We have designed an innovative approach for cosmeto-textile products, ...
A transfer Hamiltonian approach for an arbitrary quantum dot array in the self-consistent field regime
A transport methodology to study electron transport between quantum dot arrays based on the transfer Hamiltonian approach is presented. The interactions between the quantum dots and between the quantum dots and the electrodes ...
Enhanced photocatalytic activity of chemically deposited ZnO nanowires using doping and annealing strategies for water remediation
Water pollution represents one of the most challenging ecological threats humankind faces nowadays, resulting in the fast growing development of the heterogeneous photocatalysis using ZnO nanowires. A typical approach to ...
Propulsion and hydrodynamic particle transport of magnetically twisted colloidal ribbons
We describe a method to trap, transport and release microscopic particles in a viscous fluid using the hydrodynamic flow field generated by a magnetically propelled colloidal ribbon. The ribbon is composed of ferromagnetic ...
