Results 41 to 50 of about 3,041,653 (403)

Midgut Volvulus: A Rare but Fatal Cause of Abdominal Pain in Pregnancy—How Can We Diagnose and Prevent Mortality?

open access: yesObstetrics and Gynecology International, 2020
Midgut volvulus in pregnancy is rare but life-threatening, resulting in high maternal and fetal mortality. This surgical emergency commonly masquerades as symptoms of pregnancy, which together with its low incidence often leads to delay in diagnosis and ...
Eelyn Chong   +4 more
doaj   +1 more source

Preparation and electrical properties of dense micro-cermets made of nickel ferrite and metallic copper [PDF]

open access: yes, 2009
Dense micro-cermets made of nickel ferrites and copper micrometric particles were obtained from partial reduction under hydrogenated atmosphere at 350 C of mixed copper nickel ferrites, and sintering in nitrogen at 980 C.
Baco-Carles, Valérie   +4 more
core   +3 more sources

The Role of Copper Homeostasis in Brain Disease

open access: yesInternational Journal of Molecular Sciences, 2022
In the human body, copper is an important trace element and is a cofactor for several important enzymes involved in energy production, iron metabolism, neuropeptide activation, connective tissue synthesis, and neurotransmitter synthesis.
Yu-wen An   +5 more
semanticscholar   +1 more source

Inactivation of murine norovirus on a range of copper alloy surfaces is accompanied by loss of capsid integrity

open access: yes, 2015
Norovirus is one of the most common causes of acute viral gastroenteritis. The virus is spread via the fecal-oral route, most commonly from infected food and water, but several outbreaks have originated from contamination of surfaces with infectious ...
Keevil, C William   +2 more
core   +1 more source

The Octarepeat Domain of the Prion Protein Binds Cu(II) with Three Distinct Coordination Modes at pH 7.4 [PDF]

open access: yes, 2005
The prion protein (PrP) binds Cu2+ in its N-terminal octarepeat domain. This unusual domain is comprised of four or more tandem repeats of the fundamental sequence PHGGGWGQ.
Antholine, William E.   +9 more
core   +3 more sources

Copper metallothioneins [PDF]

open access: yesIUBMB Life, 2017
AbstractMetallothioneins (MTs) are a class of low molecular weight and cysteine‐rich metal binding proteins present in all the branches of the tree of life. MTs efficiently bind with high affinity several essential and toxic divalent and monovalent transition metals by forming characteristic polynuclear metal‐thiolate clusters within their structure ...
Jenifer, Calvo   +2 more
openaire   +2 more sources

The Outlook for Taiwan’s New President, Lai Ching-te

open access: yesEast Asian Policy
On 13 January 2024, Taiwan elected Lai Ching-te as its new president, marking the first time a single political party won three consecutive times. Despite this victory, the Democratic Progressive Party did not secure a legislative majority, spelling a ...
John F COPPER
doaj   +1 more source

Energy-efficient motors [PDF]

open access: yes, 2008
The use of a copper-squirrel cage in induction motors has been analyzed testing a prototype rated 1.1 kW and comparing the performances with a twin machine with an aluminum cage. The comparison has been made using torque, efficiency, starting torque, and
Boglietti, Aldo   +3 more
core   +1 more source

Early Silurian (Aeronian) East Point Coral Patch Reefs of Anticosti Island, Eastern Canada: First Reef Recovery from the Ordovician/Silurian Mass Extinction in Eastern Laurentia

open access: yesGeosciences, 2012
An extensive late Aeronian patch reef swarm outcrops for 60–70 km on Anticosti Island, eastern Canada, located in the inner to mid-shelf area of a prominent tropical carbonate platform of southeastern Laurentia, at 20°–25° S paleolatitude of the southern
Jisuo Jin, Paul Copper
doaj   +1 more source

A Comparative Study on the Condensation Heat Transfer of R-513A as an Alternative to R-134a

open access: yesMachines, 2021
This paper presents the two-phase condensation heat transfer and pressure drop characteristics of R-513A as an alternative refrigerant to R-134a in a 9.52-mm OD horizontal microfin copper tube.
Andreas Karageorgis   +2 more
doaj   +1 more source

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