Results 61 to 70 of about 91,593 (205)

rphological aspects of fruits, seeds and seedlings of Rhamnidium elaeocarpum Reissek

open access: yesSemina: Ciências Agrárias, 2015
Rhamnidium elaeocarpum Reissek is a species found in forests, especially in riparian forests. This medicinal species is commonly used to reduce itching of the gums in children at the onset of teething and contains several substances responsible for ...
Lílian Abadia da Silva   +4 more
doaj   +1 more source

3D Printed PEDOT:PSS‐Based Lattice Pressure Sensors With Tunable Electromechanical Response

open access: yesAdvanced Materials Technologies, EarlyView.
poly(3,4‐ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS)‐based architected lattices are fabricated via single‐step Digital Light Processing (DLP) printing for tunable pressure sensing. Structural design variations allow precise control of sensitivity and range, while integrated conductivity eliminates post‐processing.
Ozan Karakaya   +9 more
wiley   +1 more source

Democracia Participativa e Juventude Politizada: estudo bibliométrico sobre os periódicos brasileiros de políticas públicas de juventude

open access: yesCiência da Informação em Revista, 2018
As políticas públicas de juventude (PPJ) são um tema essencialmente multidisciplinar, cujas discussões em âmbito federal acontecem na Secretaria Nacional de Juventude, em parceria com os ministérios.
Frederico Ramos Oliveira   +4 more
doaj   +1 more source

Respiratory Signal Processing and Analysis Using Flexible Capacitive Sensor Data

open access: yesAdvanced Materials Technologies, EarlyView.
Capacitive pressure sensors based on poly(glycerol sebacate) (PGS) substrates are developed for continuous, non‐invasive respiratory monitoring. Integrated with a signal processing algorithm, they enable accurate tracking of thoracic expansion and retraction.
Bernardo A. Vicente   +3 more
wiley   +1 more source

Lead‐Free Bismuth Halide Perovskite Memristors: Low‐Voltage Switching and Physical Modeling of Resistive Hysteresis

open access: yesAdvanced Materials Technologies, EarlyView.
Lead‐free bismuth halide perovskite memristors exhibit stable low‐voltage resistive switching behavior. The conductance‐activated quasi‐linear memristor model quantitatively reproduces the experimental hysteresis, confirming ion migration‐driven filament dynamics.
So‐Yeon Kim   +4 more
wiley   +1 more source

An Accessible Microfluidic Platform for the Generation of Polarized Brain Organoids

open access: yesAdvanced Materials Technologies, EarlyView.
This study presents an accessible double‐gradient microfluidic device that enables controlled morphogen delivery and spatially polarized differentiation in brain organoids. By integrating a pump‐free design and stable fabrication method, the platform generates dorsal–ventral neuronal asymmetry, offering a reproducible and versatile approach to model ...
Daniel Pérez‐Calixto   +6 more
wiley   +1 more source

Linhas de esperança: oficina de crochê como ferramenta de capacitação e inclusão para mulheres em vulnerabilidade social no interior do Maranhão

open access: yesCadernos Cajuína
O presente projeto teve como objetivo promover a capacitação e a inclusão social e econômica de mulheres em situação de vulnerabilidade no interior do Maranhão, por meio de oficinas de crochê voltadas ao desenvolvimento de habilidades manuais e ...
Reysi Jhayne Pegorini   +6 more
doaj   +1 more source

Challenges and Future Directions in Assessing the Quality and Completeness of Advanced Materials Safety Data for Re‐Usability: A Position Paper From the Nanosafety Community

open access: yesAdvanced Sustainable Systems, EarlyView.
Nanosafety data provide a guiding example for establishing best practices in data management, aligning with FAIR principles and quality criteria. This review explores existing quality assessment approaches for reliability, relevance, and completeness, emphasizing the need for harmonization and adaptation to nanomaterials and advanced materials. The aim
Verónica I. Dumit   +43 more
wiley   +1 more source

CDK4/6 Inhibition Induces CD8+ T Cell Antitumor Immunity via MIF‐Induced Functional Orchestration of Tumor‐Associated Macrophages

open access: yesAdvanced Science, EarlyView.
CDK4/6 inhibition promotes CD8+ T cell expansion through tumor‐macrophage crosstalk by activating HIF‐1α and enhancing MIF‐CD44/CD74 signaling. This reprograms TAMs to boost MHC‐I antigen presentation, and CDK4/6 inhibitor‐trained M1 TAM supernatant therapy synergizes with low‐dose PD‐1 blockade to restore antitumor immunity.
Lin He   +17 more
wiley   +1 more source

EDUCAÇÃO AMBIENTAL NO ENSINO MÉDIO A PARTIR DA AVALIAÇÃO DA QUALIDADE DA ÁGUA SUBTERRÂNEA CONSUMIDA EM LOCALIDADES DE SÃO JOÃO DA BARRA/RJ

open access: yesRevista Águas Subterrâneas, 2012
Devido à exigência de mão de obra qualificada para o complexo logístico e portuário do Açu, do grupo EBX, a população de São João da Barra/RJ vem aumentando assim como o uso da água e os resíduos gerados, os quais podem comprometer o lençol freático.
TAYNÁ DE SOUZA GOMES SIMÕES   +4 more
doaj  

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