Results 231 to 240 of about 302,708 (266)

Elephant‐Skin‐Inspired Porous Cementitious Tiles with Programmable Crack Networks for Passive Cooling

Advanced Materials, EarlyView.
Elephant‐skin‐inspired crack networks are programmed in porous diatomaceous earth (DE)‐cement composites using substrate‐guided, stress‐concentration induced fracture. The resulting crack lattices act as capillary conduits that redistribute water, while the porous matrix stores moisture.
Qingya Huang, Kun‐Hao Yu, Ji Yoon Bae, Yunchan Lee, Dorit Aviv, Shu Yang   +5 more
wiley   +1 more source

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

Advanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair, Hrisheekesh Thachoth Chandran, Karl Leo, Hans Kleemann   +3 more
wiley   +1 more source

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Abnormal functional connectivity density in Parkinson's disease

Behavioural Brain Research, 2015
The pathology of Parkinson's disease (PD) is not confined to the nigrostriatal pathway, but also involves widespread cerebral cortical areas. Using seed-based resting state functional connectivity, many previous studies have demonstrated that PD patients have abnormal functional integration. However, this technique strongly relies on a priori selection
Jiuquan, Zhang, Wenwei, Bi, Yuling, Zhang, Maohu, Zhu, Yanling, Zhang, Hua, Feng, Jian, Wang, Yuanchao, Zhang, Tianzi, Jiang   +8 more
openaire   +4 more sources

Frequency-specific alteration of functional connectivity density in bipolar disorder depression

Progress in Neuro-Psychopharmacology and Biological Psychiatry, 2021
Functional dysconnectivity has been widely reported in bipolar disorder during depressive episodes (BDD). However, the frequency-specific alterations of functional connectivity (FC) in BDD remain poorly understood. To address this issue, the FC patterns across slow-5 (0.01-0.027 Hz) and slow-4 (0.027-0.073 Hz) bands were computed using resting-state ...
Yang, Yang, Qian, Cui, Yajing, Pang, Yuyan, Chen, Qin, Tang, Xiaonan, Guo, Shaoqiang, Han, Ahmed, Ameen Fateh, Fengmei, Lu, Zongling, He, Jing, Huang, Ailing, Xie, Di, Li, Ting, Lei, Yifeng, Wang, Huafu, Chen   +15 more
openaire   +4 more sources

Functional connectivity density mapping: comparing multiband and conventional EPI protocols

Brain Imaging and Behavior, 2017
Functional connectivity density mapping (FCDM) is a newly developed data-driven technique that quantifies the number of local and global functional connections for each voxel in the brain. In this study, we evaluated reproducibility, sensitivity, and specificity of both local functional connectivity density (lFCD) and global functional connectivity ...
Alexander D. Cohen, Dardo Tomasi, Ehsan Shokri-Kojori, Andrew S. Nencka, Yang Wang   +4 more
openaire   +4 more sources

Altered functional connectivity density in high myopia

Behavioural Brain Research, 2016
Abnormal visual experience can affect the brain structure and function. Visual functional performances of high myopia (HM) individuals were observed to be abnormal in contrast to emmetropics, even with a corrected visual acuity. Attention deficits and brain morphological changes have been revealed in the HM, but it is unknown whether there are ...
Liying, Zhai, Qian, Li, Tianyue, Wang, HongHuan, Dong, Yanmin, Peng, Mingxia, Guo, Wen, Qin, Chunshui, Yu   +7 more
openaire   +2 more sources

A transversing connection between density functionals

The Journal of Chemical Physics, 2001
We identified a transversing physical connection between kinetic, exchange, and correlation functionals by using parameter-free (Pfree) exchange and one-parameter progressive (OP) correlation. On the basis of this connection, we investigated how the calculated energies and chemical properties depend on the shape of the functional in the Kohn–Sham ...
Takao Tsuneda, Muneaki Kamiya, Naoki Morinaga, Kimihiko Hirao   +3 more
openaire   +1 more source

Abnormal Functional Connectivity Density in Post-Stroke Aphasia

Brain Topography, 2018
Post-stroke aphasia (PSA), which refers to the loss or impairment of language, is typically caused by left hemisphere lesions. Previous neuroimaging studies have indicated that the pathology of PSA may be related to abnormalities in functional integration.
Jing Guo, Mi Yang, Bharat B. Biswal, Pu Yang, Wei Liao, Huafu Chen   +5 more
openaire   +2 more sources

Abnormal functional connectivity density in sleep-deprived subjects

Brain Imaging and Behavior, 2018
Sleep deprivation (SD) can alter the intrinsic brain functional organization. However, its effects on intrinsic low-frequency connectivity in the whole brain have not been well characterized. In this study, we used voxel-based functional connectivity density (FCD) analysis to investigate the effects of SD on the spontaneous functional organization of ...
Liu, Yang, Yu, Lei, Lubin, Wang, Pinhong, Chen, Shan, Cheng, Shanshan, Chen, Jicheng, Sun, Yanyan, Li, Yihan, Wang, Wendong, Hu, Zheng, Yang   +10 more
openaire   +2 more sources