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Tau
 
(τ) The interpulse times (time between the 90° and 180° pulse, and between the 180° pulse and the echo) used in a spin echo pulse sequence.
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Temis-LostalóMRI Resource Directory:
 - Manufacturers -
 
www.temislostalo.com.ar Argentina-based company, which distributes contrast media like Feridex I.V..

MRI Contrast Agents:
Contact Information
MAIL
Temis-Lostaló
Zepita 3178
C1285ABF
Ciudad de Buenos Aires
ARGENTINA
PHONE
+??-6344-1300
FAX
+??-6344-1390
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Temporal Resolution
 
The shortest time duration between two events that can be measured with an MRI experiment.
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TeslaForum -
there are related threads
 
(T) The SI unit of magnetic flux density.
Definition: 1 T is the field intensity generating 1 newton of force per ampere of current per meter of conductor. The tesla unit value is defined as a field strength of 1 weber per square meter of area, where 1 weber represents 1 x 108 (100 000 000) flux lines.
One T is equal to 10 000 gauss, the older (CGS) unit. A field of 1 tesla is quite strong, the Earth's magnetic flux density, at its surface, is about 50 microteslas (μT). The slew rate of MRI devices is measured in mT/m/msec or T/m/sec.
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• View the DATABASE results for 'Tesla' (40).Open this link in a new window

 
Further Reading:
  Basics:
How strong are magnets?
   by my.execpc.com    
  News & More:
First European fully superconductive coil reaching a magnetic field of 25 Tesla produced
Wednesday, 8 June 2016   by www.news-medical.net    
7-Tesla MRI scanner allows even more accurate diagnosis of breast cancer
Thursday, 6 March 2014   by www.healthcanal.com    
Controversy about This Year's Nobel Prize in Medicine
2003   by www.teslasociety.com    
Teslascan®InfoSheet: - Contrast Agents - 
Intro, Overview, 
Characteristics, 
Types of, 
etc.MRI Resource Directory:
 - Contrast Agents -
 
(Mn-DPDP) This agent, mangafodipir trisodium, is a hepatocyte specific MRI contrast agent. Manganese is very toxic, so it has to be chelated and put in the form of a vitamin B6 analog, which is taken up by normal hepatocytes to some extent.
Teslascan® was developed in the early 1980's, went through clinical trials in the early 1990's, and was approved in 1997. One problem with assessing the efficacy of this agent is the fact that the phase III trials finished in the early 1990's, and the techniques used for MR today are very different from the techniques used almost a decade ago.
This contrast agent shortens the T1 relaxation time. On T1 weighted pictures it makes a normal liver look brighter. Since metastases, for example, do not generally take up this agent, the contrast between the enhancing liver and the non-enhancing lesions will increase on T1 weighted pictures. It does not have much effect on T2 weighted images.
Drug Information and Specification
NAME OF COMPOUND
Mangafodipir trisodium, Manganese dipyroxyl diphosphate, MN-DPDP
DEVELOPER
CENTRAL MOIETY
Mn2+
CONTRAST EFFECT
T1, Predominantly positive enhancement
r1=2.3, r2=4.0, B0=1.0 T
PHARMACOKINETIC
Hepatobiliary, pancreatic, adrenal
290 mosm/kgH2O
CONCENTRATION
0.01 mmol/L
DOSAGE
5 µmol/kg, 0.5 ml/kg
PREPARATION
Finished product
INDICATION
Liver lesions
DEVELOPMENT STAGE
Approved
DISTRIBUTOR
See below
PRESENTATION
Vials of 100 ml
DO NOT RELY ON THE INFORMATION PROVIDED HERE, THEY ARE
NOT A SUBSTITUTE FOR THE ACCOMPANYING PACKAGE INSERT!
Distribution Information
TERRITORY
TRADE NAME
DEVELOPMENT
STAGE
DISTRIBUTOR
USA
Teslascan®
for sale
EU
Teslascan®
for sale
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Further Reading:
  Basics:
EMEA - Teslascan - SCIENTIFIC DISCUSSION(.pdf)
   by www.emea.europa.eu    
  News & More:
Diagnosis and staging of pancreatic cancer: comparison of mangafodipir trisodium-enhanced MR imaging and contrast-enhanced helical hydro-CT.
2002
MAGNETIC RESONANCE IMAGING OF FOCAL LIVER LESIONS(.pdf)
2002
MRI Resources 
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