Results 51 to 60 of about 108,032 (305)
Transforming Cellulose Into Functional Three‐Dimensional Structures
Cellulose is promising for replacing synthetic polymers due to its excellent mechanical properties and low cost. This review highlights the recent advancements in transforming cellulose into functional 3D structures, including liquid gels and porous materials.
Xia Sun+5 more
wiley +1 more source
Although music and the emotion it conveys unfold over time, little is known about how listeners respond to shifts in musical emotions. A special technique in heavy metal music utilizes dramatic shifts between loud and soft passages.
Tzu-Han eCheng+2 more
doaj +1 more source
Designing for Degradation: Transient Devices Enabled by (Nano)Cellulose
Recent progress in transient devices enabled by (nano)cellulosic materials is reviewed. Transiency mechanisms, advantages of nanocelluloses, and a suite of applications are discussed. A circular thinking approach coupled with life cycle assessment is applied to critically revisit the potential, advantages, and challenges of nanocellulose‐enabled ...
Lucas J. Andrew+2 more
wiley +1 more source
The Voice of the Heart: Vowel-Like Sound in Pulmonary Artery Hypertension
Increased blood pressure in the pulmonary artery is referred to as pulmonary hypertension and often is linked to loud pulmonic valve closures. For the purpose of this paper, it was hypothesized that pulmonary circulation vibrations will create sounds ...
Mohamed Elgendi+8 more
doaj +1 more source
A Robust Interpretable Deep Learning Classifier for Heart Anomaly Detection Without Segmentation [PDF]
Traditionally, abnormal heart sound classification is framed as a three-stage process. The first stage involves segmenting the phonocardiogram to detect fundamental heart sounds; after which features are extracted and classification is performed. Some researchers in the field argue the segmentation step is an unwanted computational burden, whereas ...
arxiv
Enhancing Ultrasound Power Transfer: Efficiency, Acoustics, and Future Directions
Implantable devices significantly enhance healthcare but are limited by battery life. Ultrasound power transfer technology offers a promising solution for sustainable operation. This review addresses gaps in current research, particularly in sound field analysis and energy efficiency optimization.
Yi Zheng+6 more
wiley +1 more source
A dataset of lung sounds recorded from the chest wall using an electronic stethoscope
The advancement of stethoscope technology has enabled high quality recording of patient sounds. We used an electronic stethoscope to record lung sounds from healthy and unhealthy subjects.
Mohammad Fraiwan+3 more
doaj
Health Monitoring via Heart, Breath, and Korotkoff Sounds by Wearable Piezoelectret Patches
Real‐time monitoring of vital sounds from cardiovascular and respiratory systems via wearable devices together with modern data analysis schemes have the potential to reveal a variety of health conditions. Here, a flexible piezoelectret sensing system is
Liuyang Han+6 more
doaj +1 more source
Pushing Radiative Cooling Technology to Real Applications
Radiative cooling controls surface optical properties for solar and thermal radiation, offering solutions for global warming and energy savings. Despite significant advances, key challenges remain: optimizing optical efficiency, maintaining aesthetics, preventing overcooling, enhancing durability, and enabling scalable production.
Chongjia Lin+8 more
wiley +1 more source