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FCS3 Closed Chamber-Upright Buy NowDownload BrochureDownload Brochure
       
FCS3
FCS3 & Universal Upright Stage Adapter


FCS3 ® - Focht Chamber System 3


Closed System Live Cell Environmental Chamber System for Upright Microscopes

The FCS3 provides the user with all of the functionality of the popular FCS2 but redesigned for upright microscopes to provide the following attributes in one easy to load and use chamber:

• Suitable for no flow through high rate flow procedures where a rapid exchange of media is required with low cell surface shear

• Cell temperature can be controlled from ambient to 50 degrees C +/- 0.2 degrees C without the need of an air curtain

• Temperature is controlled uniformly across entire field with media equilibrating as it enters the chamber

• Closed system so that bicarbonate CO2 or organic buffers can be employed

• Compatible with 1/16" tubing for perfusion (C-Flex, Tygon, etc.)

• Easily assembled with ordinary skill (no tools required) Stand-alone temperature controller with an alarm circuit to safeguard your cells

• Near laminar flow

FCS3

What is it?

The Focht Chamber System 3 (FCS3) is a live-cell micro-observation system specifically for upright microscopes. It has all of the optical, thermal and fluidic capabilities of its predecessor the FCS2. Therefore, it provides compatibility with all modes of microscopy, uniform temperature control throughout the observation aperture, a near laminar flow that is adjustable to provide the user with the ability to modify the separation of optical surfaces, flow path geometry, and fluid volume.

The system is comprised of:


• Chamber (environmental optical cavity, this page)

• Electronic Controller (this page)

• Stage Adapter

How does it work?

Temperature Control

The FCS3 was designed to maintain accurate thermal control and allow near laminar flow perfusion. Both of these functions are incorporated into our patented Microaqueduct Slide (see drawing below). The surface of the slide, opposite the specimen side, is coated with an electrically conductive transparent thin film of Indium-Tin Oxide (ITO) and two electrical contacts (busbars). When the FCS3 is completely assembled and placed on the stage adapter, two electrical contacts and a thermal sensor, (not shown in drawing), rest on these busbars. A temperature controller is used to pass a regulated current flow through the ITO Coating. This causes the surface of the slide to heat. The heat is transferred through the media to the cell surface on the coverslip thereby providing a conductive heat transfer. The metal base of the chamber is also temperature regulated to provide heat to both the incoming media and peripheral thermal support to the metal housing.

Microaqueduct Slide

Microaqueduct Perfusion: A fluid pathway is formed by separating the Microaqueduct slide from the coverslip containing cells with a single silicone gasket. This gasket can be any thickness from 50 micron to 1mm and any lateral geometry you choose or create. This arrangement allows the user to define the flow characteristics. Therefore, you are not limited by the geometry of the optical cavity instead you select or create it! Fluid access to this flow channel is made through two 14-gauge needle stock tubes protruding from the sides of the chamber top. These tubes provide fluid connection to two perfusion holes in the Microaqueduct slide that interface two "T" shaped grooves cut into the inner surface of the Microaqueduct slide. The “T” groove allows the media to seek the path of least resistance and become nearly laminar before flowing across the cells. This technique eliminates the need for the metal perfusion ring and additional gaskets, which are the limiting factors, required by most conventional chambers.

Microaqueduct design enables proper Koehler illumination with high-numeric aperture optics for both transmitted and reflected modes of microscopy

Top View of Optical Cavity

FCS3

Isometric View of Optical Cavity

FCS3
Microaqueduct Slide is transparent glass but rendered as
a solid to improve contrast to illustrate function.

FCS3 Chamber

FCS3

FCS3 Exploded View

FCS3

1 FCS3 Chamber Top  
2 FCS3 Pressure Plate  
3 40mm Coverslip  
4 Upper Gasket* • Thickness and internal geometry allows user to define flow characteristics
•  Standard thicknesses from .1mm to 1mm
5 Microaqueduct Slide (An optical surface which integrates perfusion and temperature control)
• Near laminar flow
• Koehler Illumination compatible
• Electronically conductive coating for temperature control
6 Lower gasket • Seals chamber base to Microaqueduct slide
7 Perfusion Tubes • Compatible with 1/16th inch tubing
8 FCS3 Chamber Base (Designed to assure parallel uniform closure, eliminate leaks, & broken coverslips)
• Temperature controlled
• No tools for assembly

Upper Gasket*

By simply changing this one gasket you can change the volume and flow characteristics of the chamber. This gasket can have any internal geometry you desire and can be any thickness from .1mm to 1mm. The drawing below shows the standard shapes of the gaskets that we include with every FCS3. We also include solid gaskets for you to custom cut to your application. Examples of standard gasket outlines (below).

Standard gasket shapes:

FCS3

The Gasket Set Includes:

(3) 0.1mm 30mm Round
(2) 0.1mm 14 x 24
(3) 0.25mm 30 mm Round
(2) 0.25mm 14 x 24
(1) 0.25mm Blank
(3) 0.5mm 30mm Round
(2) 0.5mm 14 x 24
(2) 0.5mm Blank
(5) 0.75mm 30mm Round w/holes
(2) 0.75mm 14 x 24
(1) 0.75mm Blank
(2) -1.0mm 30mm Round
(1) 1.0mm 14 x 24
(1) 1.0mm Blank


Important Notes

If you are using immersion objectives on mammalian specimens, you will need an Objective Heater!

Click here to download an assembly and demonstrational video of the FCS3 (8 MB)

Click here to download a PDF of FCS3 user instruction (566 K)

Click here download a PDF about Traditional Stage Warming with thermal images. (340 K)

Click here to download a PDF about typical FCS3 Perfusion Configuration For Induced Change Biology (344 K)

To assist you and Bioptechs in selecting the most appropriate system to meet your needs, please download and fill out a PDF of Micro-Environmental System Profile Questions (36 K)
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