[PDF] Top 20 Factores protectores de la salud mental positiva en adolescentes

... The development of smart dendrimers that can respond to external stimuli is of significant interest as this can impart new properties and further expand their scope of ...various stimuli, light is of ... See full document

... the development of polymers that degrade in the environment or under physiological ...conditions. Biodegradable polymers are finding increasingly widespread application in a range of biomedical devices such ... See full document

... the development of biodegradable polymers has led to their widespread usage in many different fields of ...of biodegradable polymers into areas where environmentally-friendly plastics could replace ... See full document

... being responsive to plant stimuli, fertilizer release occurs through an interaction between environmental conditions (primarily temperature) surface defects, and water penetration occurs via osmotic ... See full document

... Oral administration of APIs necessitates the stability of the API in the digestive tract (and its respective acidic and basic components), and effective permeation of cell membranes (39). Ion-exchange systems have been ... See full document

... It has been reported that a pH gradient exists between intracellular and extracellular compartments in tumors, which results from the rapid proliferation and growth of tumor cells exceeding blood transportation, causing ... See full document

... This chapter presents the synthesis of a library of amino-substituted maleimides: a new class of highly emissive compounds, with large Stokes shifts (>100 nm) and high fluorescence quantum yields (up to ~60%). The ... See full document

... of stimuli-responsive or "smart" materials represents one of the most promising approaches in drug delivery to improve the pharmacokinetics parameters of active pharmaceutical ingredients (API) [1, ... See full document

... dual stimuli-responsive nature of the PPY nanoparticles was validated in vitro: the PPY nanoparticles delivered an anticancer drug (allicin) in response to exposure to an electric field in vitro as ... See full document

... of stimuli responsive polymers with biological systems which provide access to variations of new functions and ...external stimuli in an ‘intellectual’ and expected ...their development ... See full document

... Due to their reversible diol-binding ability, phenylboronic acid (BA) derivatives have gained considerable interest for the development of saccharide sensors and drug delivery systems. In particular, BA-containing ... See full document

... coronas of polymer 2.6 and with PEG stabilizing the surface of the particle. 41 Increasing the hydrophilic weight fraction to ~0.07 in copolymer 2.10 favours vesicle formation, along with a smaller population of solid ... See full document

... pH stimuli cause hydrolysis due to which either bond breaks and structure degenerates or there can be a change in molecular interaction because of protonation, which, in turn, causes breakage of the ... See full document

... There has been recent interest in using end functionalised low molecular weight polyester prepolymers in the synthesis of biodegradable networks. This synthesis involves an initial ring- opening polymerisation of ... See full document

... Stock strategy of medication was readied by dissolving 60 mg of Pure Tenofovir & 40 mg of flawless Emtricitabine in 100 ml volumetric glasses containing tasteful me[r] ... See full document

... Ionic Strength-Responsive Characteristics The effect of external ionic strength on the equilibrium weight of swelling of epoxy-polyamide/acacia blends polymeric films at 35°C is given in Fig. 2 (a) & (b). pH ... See full document

... lent immobilization of anticancer drug onto the surfaces of functionalized SWNTs through hydrazone linkage. Presented herein is the preparation of the SWNT-hydrazone-DOX delivery system, in which the antitumor agent DOX ... See full document

... detachable PEG and degradable PCL, and the hard segments were constructed from lysine and cystine derivatives bearing reduction-responsive disulfide linkages and click-active alkynyl moieties, allowing for ... See full document

... However, the polyimide production can be provided with monomer raw materials not only by an improved technology for raw material production for PMDA (dureneor2,5-diisopropyl- p-xylene), [r] ... See full document

... As we have seen, during leaf cell differentiation a specific stage is reached during which massive accumulation of photosynthetic complexes takes place. This stage does not occur in non-photo- synthetic cells. How is ... See full document