Results 111 to 120 of about 258,099 (288)

Volunteering in America Research Highlights [PDF]

open access: yes, 2009
The Corporation for National and Community Service hosts the most comprehensive collection of information on volunteering in the U.S. at its Web site: www.VolunteeringInAmerica.gov.

core  

Nanobiosensor Based on Catalytic Palladium Nanoclusters and Oxidases for Bianalyte Electrochemical Determination: Glucose and Ethanol in Sweat

open access: yesAdvanced Healthcare Materials, EarlyView.
A nanobiosensor for fast and simultaneous determination of sweat glucose and ethanol is presented. Deposited oxidase enzymes consume oxygen in the presence of the substrates, and co‐deposited palladium nanoclusters catalyze the electrochemical oxygen reduction, basis of the detection.
Alejandro Rodríguez‐Penedo   +3 more
wiley   +1 more source

Volunteering and well being among working individuals in Abu Dhabi

open access: yesDiscover Psychology
Volunteering is increasingly recognized as a key contributor to personal and societal well-being. This study examines its impact on well-being indicators among working individuals in Abu Dhabi, focusing on job satisfaction, work-life balance, mental ...
Masood Badri   +7 more
doaj   +1 more source

A Matter of Survival: Volunteering [PDF]

open access: yes, 2000
This monograph documents the rich traditions of self-help and civic engagement that are found in America's "tough" communities -- communities most often found in the inner city, where resources are scarce and where it is difficult to live and to raise a ...

core  

A Versatile Engineering Platform for the Fabrication of Prosthetic Venous Valves Using Electrospinning

open access: yesAdvanced Healthcare Materials, EarlyView.
Percutaneous prosthetic venous valves are fabricated by embedding stents in an electrospun matrix that extends luminally to form leaflets. The design shields leaflets from hyperplastic cells, isolates struts from blood contact, and avoids discrete anchoring points.
Dario Arcuti   +6 more
wiley   +1 more source

The Motivation to Volunteer and Change of Attitudes Towards Volunteering in a Post-Soviet Country

open access: yesSocial Welfare: Interdisciplinary Approach
The paper explores the attitudes towards volunteering and the change of attitudes towards volunteering in a Post-Soviet country after the collapse of the Soviet regime.
Irma Pranaitytė
doaj   +1 more source

Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain

open access: yesAdvanced Materials, EarlyView.
A radiofrequency antenna platform comprising planar and bend configurations is developed, incorporating structurally integrated epsilon‐negative metamaterial unit cells to enhance MRI. These antennas enable high‐resolution in vivo human MRI of the eye, orbit, and occipital brain. Comprehensive validation, including simulations, phantom experiments, SAR,
Nandita Saha   +14 more
wiley   +1 more source

Chromatic‐Invariant Photothermal Fabrics Enabled by Narrow‐Bandgap Organic Semiconductors for Wearable Solar Energy Harvesting

open access: yesAdvanced Materials, EarlyView.
A chromatic‐invariant photothermal fabric is fabricated for outdoor activewear, realizing 4°C–8°C heating within 5 min under 1000 W m−2 illumination via NIR absorption, retaining high visible‐light reflectivity and original fabric functions, and achieving >95.3% sterilization in 20 min.
Jingshuai Zhu   +6 more
wiley   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane   +4 more
wiley   +1 more source

Youth international volunteering in the context of social work

open access: yesTaikomieji Moksliniai Tyrimai
The article analyzes the peculiarities of youth voluntary work when choosing and carrying out voluntary activities in foreign countries in the context of the field of social work.
Neringa Paulauskytė   +1 more
doaj   +1 more source

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