Liquichek Spinal Fluid Control

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Overview

A liquid, bilevel product designed to monitor the precision of automated and manual procedures for the analysis of proteins and other critical analytes assayed in cerebrospinal fluid

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Description

Description

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Liquichek Spinal Fluid Control is an assayed, liquid, human-based control designed to monitor the precision of automated and manual procedures for the analysis of proteins and other critical analytes assayed in cerebrospinal fluid (CSF) tests, including analytes for diagnosing multiple sclerosis (MS). The control is composed of a liquid matrix with lower enzyme, glucose and protein values appropriate for QC of CSF testing.

This independent control is available in two configurations, a standard vial and a compact vial with barcode. The compact vial is compatible with applicable automated platforms such as Siemens Dimension Vista and Abbott Alinity while the 2D barcode allows for quick and easy QC setup. The control is available in two levels, which allows for monitoring of test system reliability and has oligoclonal banding in Level 2. The independent Liquichek Spinal Fluid Control provides assayed values for most integrated immunoassay platforms.

 

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Features

  • Consolidated menu of analytes—Contains multiple analytes, including MS diagnostic markers, for monitoring clinical CSF testing
  • Patient-like material—Liquid, human-based control
  • Multiple levels—Bilevel control offers monitoring of increased assay range
  • Extensive value assignment listings—Allows for use of a wide range of testing methods on most major integrated immunoassay platforms to help compare data from multiple test platforms and improve confidence in patient test results
  • Ease of use—Ready-to-use liquid state offers the convenience of not needing to reconstitute
  • Long shelf life—Reduces crossover studies which helps simplify workflow

 

Storage & Stability

Configuration Stability Shelf life Levels Format
3 mL 30 day open-vial stability at 2-8°C 2 year shelf life at 2-8°C 1, 2 & Bilevel MiniPak Standard vial
2.5 mL 30 day open-vial stability at 2-8°C 2 year shelf life at 2-8°C 1, 2 & Bilevel MiniPak Compact vial

 

Analytes

    • Albumin
    • Chloride
    • Glucose
    • Immunoglobulin A (IgA)¹
    • Immunoglobulin G (IgG)
    • Immunoglobulin M (IgM)¹
    • Lactate (Lactic Acid)
    • Lactate Dehydrogenase (LDH)
    • Protein Electrophoresis*1
    • Protein (Total)
    • Sodium

* Prealbumin, Albumin, α-1-Globulin, α-2-Globulin, β-Globulin, γ-Globulin.
1 Not included in compact vial format.

Refer to My einserts or the package insert (IFU) of currently available lots for specific analyte and stability claims.

 

Application & Use

This product should be treated the same as patient specimens and used in accordance with the instructions accompanying the instrument, kit or reagent.

Before sampling, allow this product to reach room temperature (18°C to 25°C). Gently swirl the vial several times to ensure homogeneity. After each use promptly replace the stopper and return to 2-8°C storage.

When this product is used in protein electrophoretic procedures, it should be concentrated in the same manner as patient specimens.

 

Related Products

Immunoassay Controls

 

Frequently Asked Questions

After use, how long can the control product be left out before return to refrigerator?
Typically, if the product has been stored refrigerated, allow the product to reach room temperature (18°C to 25°C) before use (specific time limitations may apply, depending on the product). For optimal analyte stability, promptly return the product to the recommended storage temperature after each use.
What type of water should be used to reconstitute lyophilized control products?
Typically, distilled or deionized water is used. Please refer to the package insert for product specific diluent and reconstitution instructions.
How long should the reconstituted control remain at room temperature prior to use?
Upon reconstitution, the stopper should be replaced and the product should be allowed to stand at room temperature for the time period indicated in the product insert (IFU). Prior to use, gently swirl the vial to ensure homogeneity. Refer to the procedure section of the product insert (IFU) for product-specific handling instructions.
How long should frozen liquid controls sit at room temperature in order to thaw?
Typically, the frozen product should be allowed to thaw at room temperature (18°C to 25°C) for the time indicated in the product insert (IFU) or until completely thawed prior to use. The product vial should be swirled gently to ensure homogeneity prior to use. Refer to the procedure section of the product insert (IFU) for product-specific handling instruction.
What are the acceptable limits for room, refrigerator, and freezer temperature?
This information is stated in the product insert (IFU):
  • Room temperature: 18°C to 25°C
  • Refrigerator temperature: 2-8°C
  • Freezer temperature: -20°C to -70°C/-20°C to -50°C for 2.5 mL vial

Most frozen products recommend avoidance of frost-free freezers. There are exceptions, so refer to specific control insert.

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751
Assayed, liquid control to monitor assay precision for protein and other critical analytes in cerebrospinal fluid; level 1 of 2 (6 x 3 mL)
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752
Assayed, liquid control to monitor assay precision for protein and other critical analytes in cerebrospinal fluid; level 2 of 2 (6 x 3 mL)
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750X
Assayed, liquid control to monitor assay precision for protein and other critical analytes in cerebrospinal fluid; bilevel MiniPak (2 x 3 mL)
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303

Assayed, liquid control to monitor assay precision for protein and other critical analytes in cerebrospinal fluid. Compact, barcoded vial compatible with automated platforms such as Siemens Dimension Vista and Abbott Alinity; level 1 of 2 (6 x2.5 mL)

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304

Assayed, liquid control to monitor assay precision for protein and other critical analytes in cerebrospinal fluid. Compact, barcoded vial compatible with automated platforms such as Siemens Dimension Vista and Abbott Alinity; level 2 of 2 (6 x2.5 mL)

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302X

Assayed, liquid control to monitor assay precision for protein and other critical analytes in cerebrospinal fluid. Compact, barcoded vial compatible with automated platforms such as Siemens Dimension Vista and Abbott Alinity; bilevel MiniPak (2 x2.5 mL)

Accessories

Accessories

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987000
Disposable plastic tip accessories for quality controls fitted with a screw cap closure. Enables fluid delivery directly from glass vial. 100/Package.

Documents

Documents

Number Description Options
Q-1214
Bio-Rad Quality Control Products in Compact Vials
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Q-1118
Quality Control Products & Services Catalog
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