Results 111 to 120 of about 314,552 (258)

Over 95% Optical Reflectance From Structurally Modulated All‐Biopolymer Multilayers

Advanced Materials, EarlyView.
A new dense–porous design turns ordinary polysaccharides into highly reflective photonic multilayers. Alternating dense pectin and porous cellulose nanofiber layers create strong refractive‐index contrast without inorganic or synthetic polymers, enabling nearly perfect visible reflection, high near‐infrared reflection, broadband metallic‐like colors ...
Takaaki Kasuga, Ami Mizui, Shun Ishioka, Yintong Huang, Yuto Kaku, Tsuguyuki Saito, Tatsuya Namba, Yohsuke Goi, Hirotaka Koga, Masaya Nogi   +9 more
wiley   +1 more source

Estrogen‐dependent control and cell‐to‐cell variability of transcriptional bursting

Molecular Systems Biology, 2018
Cellular decision‐making and environmental adaptation are dependent upon a heterogeneous response of gene expression to external cues. Heterogeneity arises in transcription from random switching between transcriptionally active and inactive states ...
Christoph Fritzsch, Stephan Baumgärtner, Monika Kuban, Daria Steinshorn, George Reid, Stefan Legewie   +5 more
doaj   +1 more source

Emergent bursting and synchrony in computer simulations of neuronal cultures

Frontiers in Computational Neuroscience, 2012
Experimental studies of neuronal cultures have revealed a wide variety of spiking network activity ranging from sparse, asynchronous firing to distinct, network-wide synchronous bursting.
Niru eMaheswaranathan, Silvia eFerrari, Antonius M J VanDongen, Craig eHenriquez   +3 more
doaj   +1 more source

Life‐Like Ferrous Oxide Microspheres from Kombucha

Advanced Materials Interfaces, EarlyView.
Kombucha bacterial cellulose, sodium alginate, and ferrous nitrate self‐assemble into membrane‐enclosed iron oxide microspheres. These microspheres bud daughter vesicles, sustain 24‐h electrochemical oscillations, and filter theta‐band signals.
Panagiotis Mougkogiannis, Anna Nikolaidou, Andrew Adamatzky   +2 more
wiley   +1 more source

Scalable Fabrication of Chemically Stabilized Gelatin Hydrogel Fibers by Thermal Drawing

Advanced Materials Interfaces, EarlyView.
Scalable processing of hydrogel fibers remains a major challenge. By coupling thermal drawing with Maillard chemistry, a transient viscous‐flow window is created that enables continuous fabrication of microstructured gelatin fibers tens of meters long, while continued in situ crosslinking during drawing stabilizes the fibers for physiological ...
Chaoqun Dong, Bastien Schyrr, Stella Laperrousaz, Hritwick Banerjee, Andreas Leber, Fabien Sorin   +5 more
wiley   +1 more source

A Critical Review on the Evolution of Chitosan‐Based Injectable Hydrogels in Bone Regeneration

Advanced Materials Interfaces, EarlyView.
The graphical illustration depicts hydrogel formulation using chitosan and biocompatible cross‐linkers, major advantages, and incorporation of cells, osteoinductive factors, and therapeutic drugs. Following injection, pH‐responsive gelation enables controlled drug release, promotes cell recruitment and osteogenic differentiation, enhances extracellular
Shivani Santosh Sakhrani, Abu ul Hassan S. Rana, S. Sudheer Khan   +2 more
wiley   +1 more source

Modeling Excitable Cells with Memristors

Journal of Low Power Electronics and Applications
This paper presents an in-depth analysis of an excitable membrane of a biological system by proposing a novel approach that the cells of the excitable membrane can be modeled as the networks of memristors.
Maheshwar Sah, Alon Ascoli, Ronald Tetzlaff, Vetriveeran Rajamani, Ram Kaji Budhathoki   +4 more
doaj   +1 more source

Optogenetic activation of nigral inhibitory inputs to motor thalamus in the mouse reveals classic inhibition with little potential for rebound activation

Frontiers in Cellular Neuroscience, 2014
The inhibitory output from the internal pallidum and substantia nigra to the thalamus forms an important link in the transmission of basal ganglia processing to cortex.
Jeremy R Edgerton, Jeremy R Edgerton, Dieter eJaeger   +2 more
doaj   +1 more source

Biodegradable and Edible Milli‐Fluidic Logic Circuits

Advanced Materials Technologies, EarlyView.
Fully biodegradable and edible fluidic circuits are developed using gelatin‐based valves that operate at low pressure. Logic gates, a one‐bit memory, and a ring oscillator are demonstrated, showing that biodegradable materials can perform computation and control.
Shuhang Zhang, Bokeon Kwak, Özgün Ekrem, Dario Floreano   +3 more
wiley   +1 more source

State-dependent modulation of gap junction signaling by the persistent sodium current

Frontiers in Cellular Neuroscience, 2012
Thalamic neurons fluctuate between two states: a hyperpolarized state associated with burst firing and sleep spindles, and a depolarized state associated with tonic firing and rapid, reliable information transmission between the sensory periphery and ...
Julie S Haas, Julie S Haas, Carole E Landisman, Carole E Landisman   +3 more
doaj   +1 more source