Results 121 to 130 of about 887,056 (402)

Response of Autonomic Nervous System to Body Positions: Fourier and Wavelet Analysis

open access: yes, 2005
Two mathematical methods, the Fourier and wavelet transforms, were used to study the short term cardiovascular control system. Time series, picked from electrocardiogram and arterial blood pressure lasting 6 minutes, were analyzed in supine position (SUP)
A. FEDERICI   +11 more
core   +1 more source

Electrical Metamaterial‐Based Interconnects‐Enabled Highly Stretchable Wireless Electrocardiography Circuit

open access: yesAdvanced Materials Technologies, EarlyView.
This article presents a novel strategy for creating highly stretchable wireless circuits using electrical metamaterial‐based interconnects (EMIs). Embedded in soft polymers and filled with liquid metal, EMIs uniquely reduce resistance under strain. A fully integrated ECG circuit demonstrates reliable performance under 100% stretch, offering a highly ...
Anan Zhang   +2 more
wiley   +1 more source

Transformative 4D Printed SMPs into Soft Electronics and Adaptive Structures: Innovations and Practical Insights

open access: yesAdvanced Materials Technologies, EarlyView.
This review highlights recent advancements in 3DP techniques that incorporate emerging multifunctional SMP materials for applications in e‐electronics, soft actuators, biomedical devices, and more. Abstract Shape memory polymers (SMP) have recently gained significant attention as multifunctional materials for flexible and wearable electronics ...
Muhammad Yasir Khalid   +4 more
wiley   +1 more source

MIND-BODY RESPONSE AND NEUROPHYSIOLOGICAL CHANGES DURING STRESS AND MEDITATION: CENTRAL ROLE OF HOMEOSTASIS [PDF]

open access: yes, 2014
Stress profoundly impacts quality of life and may lead to various diseases and conditions. Understanding the underlying physiological and neurological processes that take place during stress and meditation techniques may be critical for effectively ...
Barnes, Vernon A.   +2 more
core  

Progress in Surface Plasmon and Other Resonance Biosensors for Biomedical Applications

open access: yesAdvanced Materials Technologies, EarlyView.
This is the shortened version: Recent advancements in surface plasmon resonance and other optical resonance biosensors for biomedical applications are presented. Advanced sensing strategies are examined for the detection of diverse analytes, integration of nanomaterials and machine learning, and emerging nonplasmonic modes like guided mode resonance ...
Faten Bashar Kamal Eddin   +8 more
wiley   +1 more source

Clinical Challenges in Soft Robotics

open access: yesAdvanced Robotics Research, EarlyView.
This review explores the exciting field of soft robots for medical applications. It delves into the critical challenges facing their development, including material selection, cytotoxicity, and locomotion limitations. The review then examines promising avenues for overcoming these hurdles and achieving clinical translation.
Kailas Mahipal Malappuram   +3 more
wiley   +1 more source

Heart Rate Variability as a Method for Assessment of the Autonomic Nervous System and the Adaptations to Different Physiological and Pathological Conditions

open access: yesFolia Medica, 2016
The autonomic nervous system controls the smooth muscles of the internal organs, the cardiovascular system and the secretory function of the glands and plays a major role in the processes of adaptation. Heart rate variability is a non-invasive and easily
Z. Taralov, K. Terziyski, S. Kostianev
semanticscholar   +1 more source

Comparison of the generic neuronal differentiation and neuron subtype specification functions of mammalian achaete-scute and atonal homologs in cultured neural progenitor cells [PDF]

open access: yes, 2002
In the vertebrate peripheral nervous system, the proneural genes neurogenin 1 and neurogenin 2 (Ngn1 and Ngn2), and Mash1 are required for sensory and autonomic neurogenesis, respectively.
Anderson, David J.   +3 more
core  

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

open access: yesAdvanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira   +5 more
wiley   +1 more source

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