Results 201 to 210 of about 279,153 (249)

Integration of Reconfigurable p‐Bit and 1R Crossbar Array for Memristive Probabilistic Computing

Advanced Science, EarlyView.
A memristive probabilistic computing system is demonstrated by integrating stochastic p‐bits based on volatile memristors with a 1R crossbar array encoding interaction weights. The system performs weighted‐sum operations across the array and updates p‐bits iteratively.
Keunho Soh, Ji Eun Kim, Suk Yeop Chun, Su In Hwang, Byung Seok Kim, Young Jae Lee, Ho Won Jang, Jung Ho Yoon   +7 more
wiley   +1 more source

Wake‐Up and Fatigue under Electrical Cycling in HfO2‐Based Ferroelectrics: Mechanisms and Strategies toward Reliable Devices

Advanced Science, EarlyView.
HfO2‐based ferroelectrics exhibit wake‐up and fatigue behaviors during electrical cycling, significantly affecting device endurance and reliability. These phenomena are governed by defect dynamics, including oxygen vacancy redistribution and charge trapping.
Hongseok Kim, Shinhyeong Lee, Hyojun Choi, Minseung Park, Hyunah Cho, Min Hyuk Park, Yunseok Kim   +6 more
wiley   +1 more source

A Rigid–Foldable Kirigami‐Inspired Metamorphic Mechanism With Programmable Motion Modes and Self‐Locking

Advanced Science, EarlyView.
Geometric constraint reconfiguration enables a rigid–foldable kirigami‐inspired mechanism to switch between twisting, directional translation, and self‐locking states. By encoding multifunctionality directly into its architecture, the mechanism achieves multimodal motion and passive locking without reassembly, providing a compact platform for adaptive ...
Jianlin Wang, Zhongmin Song, Ketao Zhang
wiley   +1 more source

Review of Gastrointestinal Capsule Robots: Materials, Actuation, Diagnostics, and Therapeutics

Advanced Science, EarlyView.
This review examines gastrointestinal capsule robots through a systems engineering lens, covering shell materials, actuation and localization strategies, diagnostic modalities, therapeutic interventions, and commercialization status. By mapping the complete technological chain from fabrication to clinical deployment, this work identifies critical gaps ...
Zengsheng Li, Zhongguo Ren, Yiliang Lin, Xianfeng Xia, Tianlong Li, Kai Fung Chan, Philip Wai Yan Chiu, Wei Peng Yong, Mengmeng Sun   +8 more
wiley   +1 more source

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Parasites and Parasitism

AIBS Bulletin, 1957
In contrast to numerous texts and reference books on human and veterinary parasitology, only three English language publications on comparative parasitology and parasitism have appeared in recent years, viz., Pearse (1942), Baer (1941) and Lapage (1951).
  +6 more sources

Parasites and Parasitic Diseases

2018
Parasitism is a form of existence. Parasitism means “life of an organism (‘parasite’) at the expense of another organism (host)”. If the profit is on both sides, this is called symbiosis. The host may be damaged but not necessarily. Parasites are therefore mono- or multicellular organisms.
Presterl, Elisabeth, Schahawi, Magda Diab-El, Segagni Lusignani, Luigi, Paula, Helga, Reilly, Jacqui S.   +4 more
openaire   +2 more sources

Parasitization of the Parasite

JAMA: The Journal of the American Medical Association, 1973
ABSTRACT To the Editor.— After I had read Dr. Vincent de Paul Lynch's comments to a letter on parasite transmission by Dr. Paul Abrahm (222:1309, 1972), I felt impelled to add a few of my comments. Back in the 40s when I was working on Entamoeba histolytica, I encountered Dientamoeba fragilis a number of times in examination of stools of servicemen and
openaire   +2 more sources

Leishmania — A Parasitized Parasite

New England Journal of Medicine, 2011
Leishmaniasis can be visceral and deadly or restricted to a cutaneous lesion. A particularly severe form of disease is caused by an unregulated inflammatory response. A recent study suggests that this response may be triggered by a virus that infects the Leishmania parasite.
openaire   +2 more sources

Parasitism

2008
Parasitism is a pervasive phenomenon in nature involving, either as hosts or as parasites, virtually all species on Earth. By definition, parasites are costly for their hosts as they divert resources for their growth, reproduction, and survival with no rewards for the hosts.
Sorci, Gabriele, Garnier, Stéphane
openaire   +2 more sources

Parasites and Parasitism

Nature, 1970
Platyhelminthes and Parasitism An Introduction to Parasitology. By D. R. R. Burt. Pp. viii + 150 + 11. (English Universities: London, September 1970.) 45s boards; 28s paper.
openaire   +1 more source