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Multi-Channel Tissue or Organ Baths
  Most Consistent, Versatile, and Easy-to-use
      Isolated Tissue/Organ Bath Systems with Lowest Costs in the Field !
"I used to finish experiments at midnight with other systems, and now (with your EZ-Bath) I can go home before 9 o'clock..." Commended by a Scientist from UMO, US

INNOVATIONS WITH PROVEN RESULTS!


 Based on many years of combined experiences of various scientists.

 Produces the most consistent, efficient experimental data and reduces data statistical     errors, with the innovative 2-D micro-controls, consistent contractile signal transduction,     fast tissue mounting (reducing tissue hypoxia), fixed tissue holding and stimulation     positions, etc.

 Eases tissue/organ studies in all phases of experiments: tissue mounting, oxygenation     control, preset tension, (stimulation), recording and data marking, waste disposal/washing,     and data analyses.

 Proprietary design, featuring modular, miniature tissue holders with embedded stimulation     Pt. electrodes, for various types and sizes of tissues and organs, in baths as small as 2ml.

 High sensitivity for isometric/isotonic tissue or organ studies, with a included bridge     amplifier, or an integrated amplifier/data acquisition system, or an separate data     acquisition system.

 Much lower system ($1K to $3K less for a 4-ch.) & drug costs than competitions.

 Suitable for studies of vascular rings (as small as 200¦Ìm), smooth/skeletal tissue strips,     cardiac tissues (atria, papillary, sinus node, etc.) , and other isolated tissues and organs,     on one or multiple channels.


The EZ-Bath™, the most user friendly, cost-effective 4-channel tissue/organ bath systems in the market. The state-of-the-art tissue bath is designed, based on many years of combined experiences of various scientists. The EZ-Bath™ can be used for studies of vascular or non-vascular tissues, skeletal or smooth muscles, cardiac tissues/organs (e.g. atria, papillary, sinus node), and other isolated biological tissue or organ preparations.

The EZ-Bath™ features multiple innovative, proprietary functions that ease the tissue/organ studies, efficiently producing more consistent data than any other systems in the market. At the heart of the system is a versatile mounting platform, on a mounting/control (M/C) bracket, for studying distinct types and sizes of tissue or organ samples with ease. Among the innovative functions are consistent point-of-force application, reliable contractile signal transduction even for mini-contractile, tissue tension micro-adjustment (as fine as 5 microns, see McPherson, 1992), modular tissue holders with or without embedded miniature stimulation electrodes, and a multi-function adjustment feature. The multi-function adjustment is designed to ease tissue mounting and to accommodate different types and sizes of tissue preparations. The micro-adjustment features, along with other innovations, improve experimental consistency among different tissue channels and across different experiments, which is essential for statistical data analyses for bio-tissues/organs.

THE EZ-BATH ADVANTAGES: Consistency, Versatility, Efficiency & Low Cost

1. The Proprietary, High Consistency

•  Fixed Point-of-Force Application on Transducer & Solid Connection onto Transducer For    Reliable Contractile Relay, in stead of competitors·¯ hanging hook or suture strings which    can not sense mini contractile;

• 2-D Micro Adjustments for Presetting Tension and Easing Tissue Mounting and Consistent    Tissue Positioning, in stead of competitors'1-D rough adjustment;

• Embedded Mini Electrodes On Tissue Holders for Consistent Stimulation,
   in stead of competitors' externally positioned electrodes or in-efficient electrodes    fabricated on glass chamber, introducing in-consistency among different tissue channels or    across experiments.

2. Versatility and Miniature Tissue Holders

The EZ-Bath™ features a series of proprietary, compact, exchangeable tissue mounting devices, the MV, LV, TSS and TSC™ series tissue holders. These holders relay accurately the mechanical tension, contractility, and mobility of tissues under study, have embedded stimulation electrodes that generate consistent stimulation actions, and are suitable, in a single platform of exchangeable mounting, for studying various bio-tissue preparations ranging from large/small/micro diameter vessel rings (as small as 200µm in i.d.), skeletal muscle spindles, smooth muscle strips, to atria and other organ/tissue preparations, in our jacketed tissue baths as small 2ml in volume.

3. The Simplicity and Efficiency: Reducing Tissue Hypoxia

(1). Reducing Tissue Hypoxia by Easing & Quickening Tissue Mounting

(2). Reducing Tissue Hypoxia by Easing & Quickening Tissue Mounting

High-Performance Bridge Amp or Integrated Amp/Data Acquisition System included!
When used in combination with our isometric or isotonic force transducers, i-FOT™, the low-noise lock-in bridge amplifier, BRAM-4B, can measure force as small as 0.2-0.5 milligrams and as large as 2000grams.

The EZ-Bath™ system is compatible with transducers and/or bridge amplifiers manufactured by many other suppliers. For more information, please contact GlobalTown.

Reduce Costs! Add High Performance Data Acquisition and Analysis Functions
Option 1: EZ-Bath-4TAD: Organ Baths, Transducers, Integrated Amp/DAQ System BRAMDA-4
Option 2: EZ-Bath-4TBD: Organ Baths, Transducers, BRAM4, and i-DAQ4 or i-DAQ8

GlobalTown provides a very cost-effective solution to the need for computerized data recording and transducer amplification in a "one-box" solution, BRAMDA-4. The 4-channel system, along with the powerful DAQChart™ software, integrates bridge amplifiers, data acquisition system and analysis, and is well suited for tissue/organ bath researches.

Alternatively, our portable, versatile data acquisition systems, i-DAQ4
and i-DAQ8, can be added as a separate system as needed for 4- or 8-channel EZ-Bath-4/8TBD with one BRAM4 or 2xBRAM4 bridge amplifiers.

In either configuration, all you need is a computer to start with highly efficient and consistent experiments, recording and data analyses!


EZ-Bath-1: Low Cost, Single Channel, Tissue/Organ Bath System
 With all the high performances of EZ-Bath-4 system in a single channel,
   low cost format, daisy-chainable to multiple bath channels

 Combined stimulation and aeration manifold, with extra sensor mount site
• Transducer (included) can be used on i-BRIDGE amplifier or adapted to
   any exiting transducer amplifiers.

 Suitable for low cost, budget research projects or pharmacological lab
   classes, easily upgradeable to multiple channel full research systems.

 EZ-Bath-1TR at $1195

To meet the needs of investigators for low-cost, high performance single channel tissue/organ bath, GlobalTown Microtech introduced the EZ-Bath-1 systems, with the full benefits of the EZ-Bath4. The one channel bath cab be easily upgraded to multiple channels, when needed in the feature.

The EZ-Bath-1TR consists of all the necessary components for study of one tissue/organ sample at a time. It includes all you need for a single tissue/organ experiments: a jacketed bath chamber, an isometric transducer, an M/C bracket with 2D micro adjustments, an aeration/stimulation manifold, vertical stainless steel rods, base plate, and accessories.

The EZ-Bath-1TB includes, in addition to all the components of EZ-Bath-1TR, a mini one-channel i-BRIDGE™ amplifier. Please contact us for more information at info@globaltowns.com.



EZ-Bath™ System vs. Competitions: A Summary
Categories EZ-Bath System Most Competitors' Systems
Reducing tissue hypoxia/
Tissue mounting
Quick, easy and consistent with innovative components & design quicken tissue mounting processes and reduce tissue hypoxia
Slow, with suture strings/hanging hooks tied to wire hook at chamber bottom, to glass hook or to bent rod with inconsistent position.
Tension/contractile action relay
Accurate relay of mechanical tension, contractility, and mobility of tissue under study with fixed, solid mini rod, excellent even for micro-contractile.

Poor relay due to spring actions of wires or suture strings in their systems.
Vascular rings

Suitable for vessels as small as 0.1mm in diameters.

Mostly only used for study of larger vessels.

Stimulation

Efficient and consistent with miniature stimulation electrodes on embedded on tissue holders.

Either inefficient with bath electrodes or cumbersome and inconsistent with separately positioned electrodes.

Transducers

Isometric

Many are "semi-isometric"

Sensitivity

Highly sensitive, <1mg

About 1-10mg in sensitivity

Versatility

Excellent. Suitable for study of tissues of different types and sizes, on the same platform, with a collection of novel, proprietary tissue holders, with or without stimulation.

Poor. Many components have to be changed for different tissue preparations.

Tissue tension

Micro-adjustment as fine as 0.01mm

Rough, inconsistent adjustment

Oxygenation, heating water, waster disposal paths

Well organized, clean-cut design with no tubing twisting/tangling.
Poor organized, often with twisted & tangled tubing.

Net Results

Versatile, easy-to-use, efficiently producing more consistent data, lower statistical errors in data.

Less versatile, more difficult to use, less consistent

Prices

About $1000-$3000 less for a 4-channel system.

About $1000-$3000 more for a 4-channel system.

REFERENCES:
Newcomer, S.C. et al. (2007). Comparative Biochem. and Physiol.¨CPart A, 148, 292-300
McAllister, R.M., et al. (2007). J. Appl. Physiol., 104, 186-197
Challinor-Rogers, J.L., et al. (1994). Naunyn-Schmiedeberg's Arch. Pharmacol.,
350, 158-166.
McPherson, G.A. (1992). Clin. Exp. Pharm. Physiol., 12, 815-825.
McPherson, G.A. and Piekarska, A.E. (1994). Br. J. Pharmacol. 112, 1223-1229.

Buffer Pre-Warming System Ease Tissue/Organ Bath Experiments

The buffer pre-warming system (PS) can be easily added to the EZ-Bath system (i.e. on the same base plate), without the need for extra space, to shorten the buffer-warming time and speed up experiments.


The 4-channel EZ-Bath™-4 system includes 4 tissue channels (4 M/C brackets, choice of 4 tissue baths-2ml, 5ml, 10ml, 25ml, or 50ml, and 4 tissue holders of your choice), stimulation manifold, oxygen/carbogen manifold, plus all the accessories. It is configured for customers who desire to take advantages of the versatile tissue bath systems and to make use their own transducers and bridge amplifier. The 4-channel EZ-Bath™-4TR includes one
EZ-Bath™-4 system and choice of 4 i-FOT™ force transducers (2gram, 10gram, and 100gram, 500gram, or 2000gram). The 4-channel EZ-Bath™-4TB includes one EZ-Bath™-4 system, 4 i-FOT force transducers and one low-noise bridge amplifier, BRAM™-4B. The 4-channel EZ-Bath™-4TAD includes one EZ-Bath™-4 system, choice of 4 i-FOT™ force transducers and one integrated amplifier/computerized data acquisition system BRAMDA™-4. The 4-channel EZ-Bath™-4TBD includes one EZ-Bath™-4 system, 4 i-FOT force transducers, one low-noise bridge amplifier BRAM™-4B, and one stand-alone i-DAQ™-4 computerized data acquisition system. All the tissue/organ bath systems can easily be dais-chained into 8, 12, or other number of channels, with i-DAQ-8™ readily available along with powerful DAQChart™ software. For pricing on other combinations of tissue channels or components, please contact GlobalTown. We provide discounts to 5-8% for preferred institutions.

When used in combination with our isometric force transducers, i-FOT™, the low-noise lock-in bridge amplifier, L-BRAMP™-400 can measure force 0.2 milligrams or less. The EZ-Bath™ system is compatible with transducers and bridge amplifiers manufactured by other vendors. For pin-out adapters or re-configuration, please contact GlobalTown.