Results 221 to 230 of about 337,281 (326)

Electrically Tunable Friction: From Sticky to Slippery with Ionic Hydrogels

open access: yesAdvanced Materials, EarlyView.
This work demonstrates electrically tunable friction “from sticky to slippery” using ionic hydrogels, achieving reversible more‐than‐fifty‐fold modulation without liquid lubricants. An electric field extracts a salt‐rich interfacial layer that dramatically reduces friction.
Chenxu Liu   +9 more
wiley   +1 more source

CLINICAL CALORIMETRY

open access: hybrid, 1928
Walter S. McClellan   +4 more
openalex   +1 more source

Phase‐Change Solvents for Thermally Switchable Ion Conduction in Organogels

open access: yesAdvanced Materials, EarlyView.
Organogels containing salts dissolved in phase‐change solvents exhibit thermally switchable ion conduction. The organogels, which display an over 10 000‐fold on‐off ratio and high cycling stability, can be synthesized with a wide range of salts and customizable conductivity/temperature relations for applications in ionotronics and energy storage ...
Yi‐ming Yuan, Thomas B. H. Schroeder
wiley   +1 more source

Calorimetry

open access: yes
Georg Viehhauser, Tony Weidberg
  +4 more sources

The accuracy of Apple Watch measurements: a living systematic review and meta-analysis. [PDF]

open access: yesNPJ Digit Med
Lambe R   +5 more
europepmc   +1 more source

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