Results 241 to 250 of about 481,434 (314)

Quantum‐Grade Nanodiamonds from a Single‐Step, Industrial‐Scale Pressure and Temperature Process

Advanced Functional Materials, EarlyView.
Novel method for creation of nitrogen‐vacancy centers in 50‐nm nanodiamonds based on high‐temperature plastic deformation is demonstrated. Compared to the electron irradiation approach, it yields nitrogen‐vacancy centers with significantly improved charge stability, T1 relaxation time, and optical Rabi contrast.
Yahua Bao, Michal Gulka, Parkarsh Kumar, Jakub Copak, Priyadharshini Balasubramanian, Yuliya Mindarava, Rémi Blinder, Michael Olney‐Fraser, Haotian Wen, Hana Spanielova, Helen Zhi Jie Zeng, Benjamin Whitefield, Igor Aharonovich, Jaroslav Hruby, Fedor Jelezko, J. Daniel Belnap, Shery L. Y. Chang, Petr Cigler   +17 more
wiley   +1 more source

Alkali Ion‐Incorporated HfO2 Dielectrics for Reconfigurable Neuromorphic Computing

Advanced Functional Materials, EarlyView.
This work presents an indium gallium zinc oxide (IGZO) transistor with an alkali cation‐integrated hafnium dioxide (HfO2) dielectric exhibiting synaptic behavior via ion retention. The solution‐based film fabrication strategy overcomes the limitations of atomic layer deposition (ALD) and precursor coating, enabling the control of synaptic retention ...
Seung Yeon Ki, In Cheol Kwak, Seonkwon Kim, Jihyun Kim, Dong Gue Roe, Se‐Jin Kim, Joohoon Kang, Jeong Ho Cho   +7 more
wiley   +1 more source

Electrochemical Abuse‐Driven Thermal Runaway in Lithium‐Ion Batteries: Evolution From Beginning‐of‐Life to End‐of‐Life

Advanced Functional Materials, EarlyView.
Electrochemical abuse transforms thermal runaway behavior in lithium‐ion batteries. Through systematic decoupling of degradation mechanisms, this study reveals that lithium plating lowers the onset temperature by 10 °C, electrolyte consumption delays high‐temperature reactions, and capacity fade reduces total heat generation. These mechanistic insights
San Hwang, Sungjae Seo, Munsoo Song, Chihyun Nam, Juwon Kim, Yujeong Hwang, Songha Seo, Jaejung Song, Sugeun Jo, Hongjin Lim, Sung Pil Woo, SoHee Kim, Jongwoo Lim   +12 more
wiley   +1 more source

The utility of limited trans-thoracic echocardiography in the stratification of pulse pressure variation: A feasibility study in major open abdominal surgery.

Saudi J Anaesth, 2018
Samra T, Deepak R, Jayant A, Jayant A, Saini V.   +4 more
europepmc   +1 more source

Automated stroke volume and pulse pressure variations predict fluid responsiveness in mechanically ventilated patients with obstructive jaundice.

, 2015
Feng Zhao, Peng Wang, Shujun Pei, Weidong Mi, Qiang Fu   +4 more
openalex   +1 more source

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Arterial Pulse Pressure Variation with Mechanical Ventilation

American Journal of Respiratory and Critical Care Medicine, 2019
Fluid administration leads to a significant increase in cardiac output in only half of ICU patients. This has led to the concept of assessing fluid responsiveness before infusing fluid. Pulse pressure variation (PPV), which quantifies the changes in arterial pulse pressure during mechanical ventilation, is one of the dynamic variables that can predict ...
Teboul, Jean-Louis, Monnet, Xavier, Chemla, Denis, Michard, Frédéric   +3 more
openaire   +4 more sources

Influences of different vasopressors on stroke volume variation and pulse pressure variation

Journal of Clinical Monitoring and Computing, 2015
Pulse pressure variation (PPV) and stroke volume variation (SVV) during mechanical ventilation have been shown to be effective parameters to predict preload responsiveness. Although induced hypertension decreases PPV and SVV, the influences of different vasopressors on PPV and SVV are unknown.
Ran, Kong, Yi, Liu, Weidong, Mi, Qiang, Fu   +3 more
openaire   +3 more sources

Systolic pressure variation and pulse pressure variation during modifications of arterial pressure

Intensive Care Medicine, 2008
This study was performed to investigate the effect of vasopressor therapy on systolic pressure variation (SPV) and pulse pressure variation (PPV) compared to experimentally measured left ventricular stroke volume variation (SVV).Prospective study in a university laboratory.Twelve anesthetized and mechanically ventilated pigs.Increase in mean arterial ...
Jens C, Kubitz, Stefanie, Forkl, Thorsten, Annecke, Nils, Kronas, Alwin E, Goetz, Daniel A, Reuter   +5 more
openaire   +3 more sources

Pulse pressure variation and systolic pressure variation in horses undergoing general anesthesia

Journal of Veterinary Emergency and Critical Care, 2012
AbstractIntroductionChanges in arterial pressure due to respiratory phases have been used to predict fluid responsiveness in a number of species and pulse pressure variation (PPV) and systolic pressure variation (SPV) are commonly used. The relationship between PPV and SPV has not been described in horses.ObjectivesTo describe and compare PPV and SPV ...
C Langdon, Fielding, Diana N, Stolba
openaire   +2 more sources

Evaluation of pulse pressure variation and pleth variability index to predict fluid responsiveness in mechanically ventilated isoflurane‐anesthetized dogs

Journal of Veterinary Emergency and Critical Care, 2018
OBJECTIVE To evaluate whether pulse pressure variation (PPV) and pleth variability index (PVI) are more accurate than central venous pressure (CVP) for predicting fluid responsiveness in mechanically ventilated isoflurane-anesthetized dogs after ...
H. Sano, Joonbum Seo, P. Wightman, N. Cave, M. Gieseg, C. Johnson, P. Chambers   +6 more
semanticscholar   +1 more source