Preview
Sign-in for full Details 
Sign-in free and Explore the Exciting World of BiomedExperts:
- Over 1.500.000 Profiles
- More than 1.800 Organizations worldwide
- State of the Art Network Visualizations
- Manage your own Profile
- Locate Experts in your Country/Region
- Locate Experts in your 1. and 2. Level Network
- Connect to Experts Worldwide
NetworkView
Jean Tkach
This is a preview profile on BiomedExperts - the first literature-based scientific social network. It brings the right researchers
together and allows them to collaborate online. Collexis and Dell provide the BiomedExperts network of +1.5 Million pre-calculated profiles
free of charge to researchers worldwide.
Research Profile (preview)
Concepts & Ideas
Activities & Behaviors
Procedures
Anatomy
Objects
Physiology
Phenomena
Disorders
Chemicals & Drugs
Sign-in to see full Profile
Network (preview)
18
Ruggieri, Paul
13
Masaryk, Thomas
12
Rezai, Ali
12
Ross, Jeffrey
12
Shellock, Frank
11
Modic, Michael
10
Haacke, Mark
9
Nyenhuis, John
8
Baker, Kenneth
6
Obuchowski, Nancy
5
Sharan, Ashwini
5
Hrdlicka, Greg
4
Lieber, Michael
4
Diehl, Beate
4
Fisher, Elizabeth
Sign-in to see all Coauthors
Publications
Sign-in to see all Publications
Sign in free and see...
Visualized networks:
See your personal network in
sophisticated graphical views
GeoTargeted Searches:
Locate experts around the world
and connect with global collaborators
Research Profiles:
See the visualized research activity
of experts around the globe
Sign-in to see more
Geonetwork of Jean Tkach (preview)
Cities where this author has publications
Cities where co-authors of this author have publications
Sign-in to see more
All Publications
-
2009: Demaree Heath A; Pu Jie; Jesberger Jack; Feeny Norah; Jeng Linda; Everhart D Erik; Duerk Jeff; Tkach Jean
5HTTLPR predicts left fusiform gyrus activation to positive emotional stimuli.
Magnetic resonance imaging 2009;27(4):441-8.
-
2009: Liu Guanshu; Ali M Meser; Yoo Byunghee; Griswold Mark A; Tkach Jean A; Pagel Mark D
PARACEST MRI with improved temporal resolution.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2009;61(2):399-408.
-
2008: Diehl Beate; Busch Robyn M; Duncan John S; Piao Zhe; Tkach Jean; Lüders Hans O
Abnormalities in diffusion tensor imaging of the uncinate fasciculus relate to reduced memory in temporal lobe epilepsy.
Epilepsia 2008;49(8):1409-18.
-
2007: Fisher Elizabeth; Chang Ansi; Fox Robert J; Tkach Jean A; Svarovsky Therese; Nakamura Kunio; Rudick Richard A; Trapp Bruce D
Imaging correlates of axonal swelling in chronic multiple sclerosis brains.
Annals of neurology 2007;62(3):219-28.
-
2007: Wehner T; Lapresto E; Tkach J; Liu P; Bingaman W; Prayson R A; Ruggieri P; Diehl B
The value of interictal diffusion-weighted imaging in lateralizing temporal lobe epilepsy.
Neurology 2007;68(2):122-7.
-
2006: Baker Kenneth B; Tkach Jean A; Phillips Micheal D; Rezai Ali R
Variability in RF-induced heating of a deep brain stimulation implant across MR systems.
Journal of magnetic resonance imaging : JMRI 2006;24(6):1236-42.
-
2006: Baker Kenneth B; Tkach Jean; Phillips Micheal D
In vitro studies of MRI-related heating of neurostimulation systems.
Magnetic resonance imaging 2006;24(5):677-9; author reply 679-80.
-
2006: Phillips Micheal D; Baker Kenneth B; Lowe Mark J; Tkach Jean A; Cooper Scott E; Kopell Brian H; Rezai Ali R
Parkinson disease: pattern of functional MR imaging activation during deep brain stimulation of subthalamic nucleus--initial experience.
Radiology 2006;239(1):209-16.
-
2005: Rezai Ali R; Baker Kenneth B; Tkach Jean A; Phillips Michael; Hrdlicka Greg; Sharan Ashwini D; Nyenhuis John; Ruggieri Paul; Shellock Frank G; Henderson Jaimie
Is magnetic resonance imaging safe for patients with neurostimulation systems used for deep brain stimulation?
Neurosurgery 2005;57(5):1056-62; discussion 1056-62.
-
2005: Henderson Jaimie M; Tkach Jean; Phillips Michael; Baker Kenneth; Shellock Frank G; Rezai Ali R
Permanent neurological deficit related to magnetic resonance imaging in a patient with implanted deep brain stimulation electrodes for Parkinson's disease: case report.
Neurosurgery 2005;57(5):E1063; discussion E1063.
-
2005: Baker Kenneth B; Tkach Jean; Hall John D; Nyenhuis John A; Shellock Frank G; Rezai Ali R
Reduction of magnetic resonance imaging-related heating in deep brain stimulation leads using a lead management device.
Neurosurgery 2005;57(4 Suppl):392-7; discussion 392-7.
-
2005: Fox Robert J; Fisher Elizabeth; Tkach Jean; Lee Jar-Chi; Cohen Jeffrey A; Rudick Richard A
Brain atrophy and magnetization transfer ratio following methylprednisolone in multiple sclerosis: short-term changes and long-term implications.
Multiple sclerosis (Houndmills, Basingstoke, England) 2005;11(2):140-5.
-
2005: Baker Kenneth B; Nyenhuis John A; Hrdlicka Greg; Rezai Ali R; Tkach Jean A; Shellock Frank G
Neurostimulation systems: assessment of magnetic field interactions associated with 1.5- and 3-Tesla MR systems.
Journal of magnetic resonance imaging : JMRI 2005;21(1):72-7.
-
2004: Baker Kenneth B; Tkach Jean A; Nyenhuis John A; Phillips Michael; Shellock Frank G; Gonzalez-Martinez Jorge; Rezai Ali R
Evaluation of specific absorption rate as a dosimeter of MRI-related implant heating.
Journal of magnetic resonance imaging : JMRI 2004;20(2):315-20.
-
2004: Rezai Ali R; Phillips Michael; Baker Kenneth B; Sharan Ashwini D; Nyenhuis John; Tkach Jean; Henderson Jaimie; Shellock Frank G
Neurostimulation system used for deep brain stimulation (DBS): MR safety issues and implications of failing to follow safety recommendations.
Investigative radiology 2004;39(5):300-3.
-
2003: Ross Jeffrey S; Tkach Jean; Ruggieri Paul M; Lieber Michael; Lapresto Eric
The mind's eye: functional MR imaging evaluation of golf motor imagery.
AJNR. American journal of neuroradiology 2003;24(6):1036-44.
-
2003: Shellock Frank G; Tkach Jean A; Ruggieri Paul M; Masaryk Thomas J; Rasmussen Peter A
Aneurysm clips: evaluation of magnetic field interactions and translational attraction by use of "long-bore" and "short-bore" 3.0-T MR imaging systems.
AJNR. American journal of neuroradiology 2003;24(3):463-71.
-
2003: Sharan A; Rezai A R; Nyenhuis J A; Hrdlicka G; Tkach J; Baker K; Turbay M; Rugieri P; Phillips M; Shellock F G
MR safety in patients with implanted deep brain stimulation systems (DBS).
Acta neurochirurgica. Supplement 2003;87():141-5.
-
2003: Shellock Frank G; Tkach Jean A; Ruggieri Paul M; Masaryk Thomas J
Cardiac pacemakers, ICDs, and loop recorder: evaluation of translational attraction using conventional ("long-bore") and "short-bore" 1.5- and 3.0-Tesla MR systems.
Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance 2003;5(2):387-97.
-
2002: Finelli Daniel A; Rezai Ali R; Ruggieri Paul M; Tkach Jean A; Nyenhuis John A; Hrdlicka Greg; Sharan Ashwini; Gonzalez-Martinez Jorge; Stypulkowski Paul H; Shellock Frank G
MR imaging-related heating of deep brain stimulation electrodes: in vitro study.
AJNR. American journal of neuroradiology 2002;23(10):1795-802.
-
2002: Rezai Ali R; Finelli Daniel; Nyenhuis John A; Hrdlicka Greg; Tkach Jean; Sharan Ashwini; Rugieri Paul; Stypulkowski Paul H; Shellock Frank G
Neurostimulation systems for deep brain stimulation: in vitro evaluation of magnetic resonance imaging-related heating at 1.5 tesla.
Journal of magnetic resonance imaging : JMRI 2002;15(3):241-50.
-
2001: Rezai A R; Finelli D; Rugieri P; Tkach J; Nyenhuis J A; Shellock F G
Neurostimulators: potential for excessive heating of deep brain stimulation electrodes during magnetic resonance imaging.
Journal of magnetic resonance imaging : JMRI 2001;14(4):488-9.
-
2001: Diehl B; Najm I; Ruggieri P; Tkach J; Mohamed A; Morris H; Wyllie E; Fisher E; Duda J; Lieber M; Bingaman W; Lüders H O
Postictal diffusion-weighted imaging for the localization of focal epileptic areas in temporal lobe epilepsy.
Epilepsia 2001;42(1):21-8.
-
1999: Perl J; Tkach J A; Porras-Jimenez M; Lieber M; Obuchowski N; Ross J S; Ding X P; Ruggieri P M; Shearer D M; Khajavi K; Masaryk T J
Hemorrhage detected using MR imaging in the setting of acute stroke: an in vivo model.
AJNR. American journal of neuroradiology 1999;20(10):1863-70.
-
1999: Diehl B; Najm I; Ruggieri P; Foldvary N; Mohamed A; Tkach J; Morris H; Barnett G; Fisher E; Duda J; Lüders H O
Periictal diffusion-weighted imaging in a case of lesional epilepsy.
Epilepsia 1999;40(11):1667-71.
-
1999: Johnson M J; Ayzman I; Wood A S; Tkach J A; Klauschie J; Skarupa D J; McAllister J P; Luciano M G
Development and characterization of an adult model of obstructive hydrocephalus.
Journal of neuroscience methods 1999;91(1-2):55-65.
-
1999: Oto A; Remer E M; O'Malley C M; Tkach J A; Gill I S
MR characteristics of oxidized cellulose (Surgicel).
AJR. American journal of roentgenology 1999;172(6):1481-4.
-
1998: McAllister J P; Chovan P; Steiner C P; Johnson M J; Ayzman I; Wood A S; Tkach J A; Hahn J F; Luciano M G
Differential ventricular expansion in hydrocephalus.
European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift für Kinderchirurgie 1998;8 Suppl 1():39-42.
-
1997: Ding X; Tkach J; Ruggieri P; Perl J; Masaryk T
Improvement of spiral MRI with the measured k-space trajectory.
Journal of magnetic resonance imaging : JMRI 1997;7(5):938-40.
-
1997: Tkach J A; Ding X; Ruggieri P M; Obuchowski N A; Lieber M; Masaryk T J
Segmented three-dimensional echo-planar flow imaging of the cervical carotid arteries.
AJNR. American journal of neuroradiology 1997;18(7):1339-47.
-
1995: Dagirmanjian A; Ross J S; Obuchowski N; Lewin J S; Tkach J A; Ruggieri P M; Masaryk T J
High resolution, magnetization transfer saturation, variable flip angle, time-of-flight MRA in the detection of intracranial vascular stenoses.
Journal of computer assisted tomography 1995;19(5):700-6.
-
1995: Hardy P A; Hinks R S; Tkach J A
Separation of fat and water in fast spin-echo MR imaging with the three-point Dixon technique.
Journal of magnetic resonance imaging : JMRI 1995;5(2):181-5.
-
1994: White R D; Obuchowski N A; VanDyke C W; Tkach J A; Geisinger M A; Link K M; Ruggieri P M; Dillinger J J; Lytle B W
Thoracic aortic disease: evaluation using a single MRA volume series.
Journal of computer assisted tomography 1994;18(6):843-54.
-
1994: Ding X; Tkach J A; Ruggieri P R; Masaryk T J
Sequential three-dimensional time-of-flight MR angiography of the carotid arteries: value of variable excitation and postprocessing in reducing venetian blind artifact.
AJR. American journal of roentgenology 1994;163(3):683-8.
-
1994: Lewin J S; Curtin H D; Ross J S; Weissman J L; Obuchowski N A; Tkach J A
Fast spin-echo imaging of the neck: comparison with conventional spin-echo, utility of fat suppression, and evaluation of tissue contrast characteristics.
AJNR. American journal of neuroradiology 1994;15(7):1351-7.
-
1994: Tkach J A; Lin W; Duda J J; Haacke E M; Masaryk T J
Optimizing three-dimensional time-of-flight MR angiography with variable repetition time.
Radiology 1994;191(3):805-11.
-
1993: Piraino D W; Hardy P A; Schils J P; Richmond B J; Tkach J A; Belhobek G H
Fast spin-echo imaging of the knee: factors influencing contrast.
Journal of magnetic resonance imaging : JMRI 1993;3(6):835-42.
-
1993: Tkach J A; Ruggieri P M; Ross J S; Modic M T; Dillinger J J; Masaryk T J
Pulse sequence strategies for vascular contrast in time-of-flight carotid MR angiography.
Journal of magnetic resonance imaging : JMRI 1993;3(6):811-20.
-
1993: Ross J S; Ruggieri P; Tkach J; Obuchowski N; Dillinger J; Masaryk T J; Modic M T
Lumbar degenerative disk disease: prospective comparison of conventional T2-weighted spin-echo imaging and T2-weighted rapid acquisition relaxation-enhanced imaging.
AJNR. American journal of neuroradiology 1993;14(5):1215-23.
-
1993: Shah M; Ross J S; Tkach J; Modic M T
3D MPRAGE evaluation of the internal auditory canals.
Journal of computer assisted tomography 1993;17(3):442-5.
-
1993: Tkach J A; Ruggieri P M; Dillinger J J; Rose J S; Modic M T; Masaryk T J
Three-dimensional time-of-flight MR angiography with a specialized gradient head coil.
Journal of magnetic resonance imaging : JMRI 1993;3(2):365-75.
-
1992: Ross J S; Tkach J A; Dillinger J; Ruggieri P M; Masaryk T J; Modic M T
Optimization of three-dimensional T1-weighted gradient-echo imaging of the cervical spine.
Journal of magnetic resonance imaging : JMRI 1992;2(3):359-64.
-
1992: Ross J S; Ruggieri P M; Tkach J A; Masaryk T J; Paranandi L; Dillinger J J; Modic M T
Gd-DTPA-enhanced 3D MR imaging of cervical degenerative disk disease: initial experience.
AJNR. American journal of neuroradiology 1992;13(1):127-36.
-
1991: Masaryk T J; Tkach J; Glicklich M
Flow, radiofrequency pulse sequences, and gradient magnetic fields: basic interactions and adaptations to angiographic imaging.
Topics in magnetic resonance imaging : TMRI 1991;3(3):1-11.
-
1991: Ross J S; Tkach J; VanDyke C; Modic M T
Clinical MR imaging of degenerative spinal disease: pulse sequences, gradient-echo techniques, and contrast agents.
Journal of magnetic resonance imaging : JMRI 1991;1(1):29-37.
-
1990: Haacke E M; Tkach J A
Fast MR imaging: techniques and clinical applications.
AJR. American journal of roentgenology 1990;155(5):951-64.
-
1990: Haacke E M; Masaryk T J; Wielopolski P A; Zypman F R; Tkach J A; Amartur S; Mitchell J; Clampitt M; Paschal C
Optimizing blood vessel contrast in fast three-dimensional MRI.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 1990;14(2):202-21.
-
1990: Haacke E M; Wielopolski P A; Tkach J A; Modic M T
Steady-state free precession imaging in the presence of motion: application for improved visualization of the cerebrospinal fluid.
Radiology 1990;175(2):545-52.
-
1990: White R D; Paschal C B; Tkach J A; Carvlin M J
Functional cardiovascular evaluation by magnetic resonance imaging.
Topics in magnetic resonance imaging : TMRI 1990;2(2):31-48.
-
1990: Steinberg P M; Ross J S; Modic M T; Tkach J; Masaryk T J; Haacke E M
The value of fast gradient-echo MR sequences in the evaluation of brain disease.
AJNR. American journal of neuroradiology 1990;11(1):59-67.
-
1989: VanDyke C; Ross J S; Tkach J; Masaryk T J; Modic M T
Gradient-echo MR imaging of the cervical spine: evaluation of extradural disease.
AJR. American journal of roentgenology 1989;153(2):393-8.
-
1989: Masaryk T J; Modic M T; Ruggieri P M; Ross J S; Laub G; Lenz G W; Tkach J A; Haacke E M; Selman W R; Harik S I
Three-dimensional (volume) gradient-echo imaging of the carotid bifurcation: preliminary clinical experience.
Radiology 1989;171(3):801-6.
-
1989: Haacke E M; Tkach J A; Parrish T B
Reduction of T2* dephasing in gradient field-echo imaging.
Radiology 1989;170(2):457-62.
-
1988: Hopkins A L; Haacke E M; Barr R G; Tkach J
Oxygen-17 contrast agents. Fast imaging techniques.
Investigative radiology 1988;23 Suppl 1():S240-2.
-
1988: Tkach J A; Haacke E M
A comparison of fast spin echo and gradient field echo sequences.
Magnetic resonance imaging 1988;6(4):373-89.
-
1988: Hopkins A L; Haacke E M; Tkach J; Barr R G; Bratton C B
Improved sensitivity of proton MR to oxygen-17 as a contrast agent using fast imaging: detection in brain.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 1988;7(2):222-9.
Sign-in to see more
