R A Hopkins
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Explore the profile of R A Hopkins including associated specialties, affiliations and a list of published articles.
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51
Citations
256
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Recent Articles
1.
Freant L, Hopkins R
Cardiovasc Pathol
. 2015 May;
6(4):231-6.
PMID: 25991540
Aschoff bodies are granulomatous lesions believed to be pathognomonic of rheumatic fever. Most histologic descriptions have been limited to locations adjacent to or within the myocardium. Aschoff bodies within valves...
2.
Payne D, Hopkins R, Eilert B, Noojin G, Stolarski D, Thomas R, et al.
J Biomed Opt
. 2012 Sep;
4(3):337-44.
PMID: 23015254
Laser damage threshold energies produced from ultrashort (i.e., ⩽1 ns) laser pulses are investigated as a function of both pulse width and spot size for an artificial retina. A piece...
3.
Domkowski P, Messier Jr R, Cockerham J, Kot P, Diodato L, Hopkins R
J Surg Res
. 2001 Aug;
100(1):116-26.
PMID: 11516214
The current study determined the dynamic stress-strain elastic moduli (E(Y)) and characteristic impedances (Z(0(2-7Hz))) of the main pulmonary artery in open-chest, anesthetized newborn pigs at 2 days, 2 weeks, and...
4.
Martin J, Lambert R, Merrett J, Parkes K, Thomas G, Baker S, et al.
Bioorg Med Chem Lett
. 2001 Jun;
11(13):1655-8.
PMID: 11425530
A series of carboxamide derivatives of 5'-amino-2',5'-dideoxy-5-ethyluridine has been prepared as inhibitors of HSV-TK (herpes simplex virus thymidine kinase). The most potent compounds were derived from xanthene, thioxanthene and dihydroanthracene...
5.
Domkowski P, Cockerham J, Kot P, Myers J, Hopkins R
Ann Thorac Surg
. 2000 Nov;
70(5):1522-30.
PMID: 11093481
Background: This study determined the pulmonary vascular responses to intravenous (IV) administration of endothelin-1 (ET-1) before and after an IV bolus of bosentan (Ro 47-0203), an endothelin receptor antagonist, in...
6.
Hong T, Maish M, Cohen J, FitzPatrick P, Bert A, Harper 3rd J, et al.
Contemp Top Lab Anim Sci
. 2000 Oct;
39(5):20-5.
PMID: 11040870
Increased use of the ovine animal model in cardiovascular surgical research has created a salient need for standardized echocardiography techniques. To demonstrate a reproducible image in this species and confirm...
7.
Buchholz B, Bert A, Price D, Hopkins R, Stearns G
J Extra Corpor Technol
. 1999 Oct;
31(1):47-9.
PMID: 10539715
A method of performing veno-arterial modified ultrafiltration is described that utilizes conventional blood flow through the aortic and venous cannulae. A dual-pump blood cardioplegia console is adapted to aspirate blood...
8.
Messier Jr R, Bass B, Domkowski P, Hopkins R
J Thorac Cardiovasc Surg
. 1999 Jun;
118(1):36-49.
PMID: 10384183
Objectives: We previously characterized the porcine aortic leaflet interstitial cell phenotype as having both synthetic and contractile characteristics; that is, it is a myofibroblast. In this study we hypothesized (1)...
9.
Rockwell B, Hammer D, Hopkins R, Payne D, Toth C, Roach W, et al.
J Laser Appl
. 1999 May;
11(1):42-4.
PMID: 10346063
Recent studies of retinal damage due to ultrashort laser pulses have shown that less energy is required for retinal damage for pulses shorter than 1 ns than that for longer...
10.
Hilbert S, Luna R, Zhang J, Wang Y, Hopkins R, Yu Z, et al.
J Thorac Cardiovasc Surg
. 1999 Feb;
117(3):454-62.
PMID: 10047647
Objective: The purpose of this study was to determine whether apoptosis of endothelial and connective tissue cells is responsible for the loss of cellularity observed in implanted aortic allograft valves....