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Jeff Klein

Researcher at University of Pennsylvania

Publications -  116
Citations -  8023

Jeff Klein is an academic researcher from University of Pennsylvania. The author has contributed to research in topics: Telescope & Atacama Cosmology Telescope. The author has an hindex of 38, co-authored 102 publications receiving 7497 citations. Previous affiliations of Jeff Klein include Carnegie Institution for Science & University of Minnesota.

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The harlequin mouse mutation downregulates apoptosis-inducing factor

TL;DR: The Hq mutation is identified as a proviral insertion in the apoptosis-inducing factor (Aif) gene, causing about an 80% reduction in AIF expression, and neurons damaged by oxidative stress in both the cerebellum and retina of Hq mutant mice re-enter the cell cycle before undergoing apoptosis.
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Cosmic ray production rates of 10Be and 26Al in quartz from glacially polished rocks

TL;DR: In this paper, the concentrations of Be-10 and Al-26 in quartz crystals extracted from glacially polished granitic surfaces from the Sierra Nevada range were studied and the most accurate estimates of absolute production rates of three nuclides in SiO2 due to cosmic ray nucleons and muons for geomagnetic latitudes 43.8-44.6 N and altitudes 2.1-3.6 km.
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Oxidative stress, cell cycle, and neurodegeneration

TL;DR: This work will discuss recent findings regarding the influence of oxidative stress on neurodegeneration and possible connections between oxidative stress and unscheduled cell cycle reentry, the understanding of which could lead to new strategies in the development of therapeutic agents for Neurodegenerative disorders.
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The Atacama Cosmology Telescope: Cosmological Parameters from Three Seasons of Data

Jonathan Sievers, +115 more
TL;DR: In this article, a model of primary cosmological and secondary foreground parameters is fit to the map power spectra and lensing deflection power spectrum, including contributions from both the thermal Sunyaev-Zeldovich (tSZ) effect and the kinematic SZ effect, Poisson and correlated anisotropy from unresolved infrared sources, radio sources and the correlation between the tSZ effect and infrared sources.
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Sediment incorporation in island-arc magmas: Inferences from 10Be

TL;DR: The radioisotope 10Be has been used as a tracer to evaluate subduction and recycling of sediments in island arcs as mentioned in this paper, and it is especially suitable for monitoring sediment subduction.