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J D Nichols

Explore the profile of J D Nichols including associated specialties, affiliations and a list of published articles. Areas
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Articles 27
Citations 163
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Recent Articles
1.
Dunn W, Weigt D, Grodent D, Yao Z, May D, Feigelman K, et al.
Geophys Res Lett . 2022 Jul; 49(11):e2021GL097390. PMID: 35865009
We present 14 simultaneous Chandra X-ray Observatory (CXO)-Hubble Space Telescope (HST) observations of Jupiter's Northern X-ray and ultraviolet (UV) aurorae from 2016 to 2019. Despite the variety of dynamic UV...
2.
Gladstone G, Versteeg M, Greathouse T, Hue V, Davis M, Gerard J, et al.
Geophys Res Lett . 2017 Oct; 44(15):7668-7675. PMID: 28989207
Juno ultraviolet spectrograph (UVS) observations of Jupiter's aurora obtained during approach are presented. Prior to the bow shock crossing on 24 June 2016, the Juno approach provided a rare opportunity...
3.
Meredith C, Alexeev I, Badman S, Belenkaya E, Cowley S, Dougherty M, et al.
J Geophys Res Space Phys . 2015 Jul; 119(3):1994-2008. PMID: 26167441
Key Points: We examine seven cases of joint HST Saturn auroral images and Cassini IMF dataThe persistent but variable dawn arc shows no obvious IMF dependencePatchy postnoon auroras are present...
4.
Nichols J, Badman S, Baines K, Brown R, Bunce E, Clarke J, et al.
Geophys Res Lett . 2015 Jun; 41(10):3323-3330. PMID: 26074636
We present observations of significant dynamics within two UV auroral storms observed on Saturn using the Hubble Space Telescope in April/May 2013. Specifically, we discuss bursts of auroral emission observed...
5.
Hines J, Nichols J, Royle J, MacKenzie D, Gopalaswamy A, Kumar N, et al.
Ecol Appl . 2010 Jul; 20(5):1456-66. PMID: 20666261
Occupancy modeling focuses on inference about the distribution of organisms over space, using temporal or spatial replication to allow inference about the detection process. Inference based on spatial replication strictly...
6.
Moniz L, Nichols J, Nichols J
J Biol Phys . 2009 Aug; 33(3):171-81. PMID: 19669538
We investigate previously unreported phenomena that have a potentially significant impact on the design of surveillance monitoring programs for ecological systems. Ecological monitoring practitioners have long recognized that different species...
7.
Nichols J, MONIZ L, Nichols J, Pecora L, Cooch E
Theor Popul Biol . 2005 Jan; 67(1):9-21. PMID: 15649520
A number of important questions in ecology involve the possibility of interactions or "coupling" among potential components of ecological systems. The basic question of whether two components are coupled (exhibit...
8.
Kmiecik S, Stammers A, Petterson C, Liu J, Nichols J, Kohtz R, et al.
J Extra Corpor Technol . 2002 Jan; 33(4):227-32. PMID: 11806434
Although controversy exists concerning the optimal total protein and colloid osmotic pressure that should be maintained during cardiopulmonary bypass (CPB), the primary volume expanders remain albumin and 6% hetastarch. The...
9.
Kohtz R, Petterson C, Mills N, Kmiecik S, Liu J, Nichols J, et al.
J Extra Corpor Technol . 2001 Jul; 33(2):94-9. PMID: 11467444
The use of low molecular weight heparins (LMWH) as an anticoagulant in the heparin-resistant patient poses challenges during cardiopulmonary bypass (CPB). The ultrafiltrability of LMWH has not been previously examined....
10.
Kmiecik S, Liu J, Vaadia T, Nichols J, Kohtz R, Mills N, et al.
J Extra Corpor Technol . 2001 Jul; 33(2):100-5. PMID: 11467435
The purpose of this study was to investigate the effects of temperature change on the coagulation time of blood at two different hematocrit levels by using various coagulation-monitoring devices. The...