phleb materials pt 2

Antiglycolytic Agents

are substances that prevent breakdown of glucose by blood cells, glycolysis.

The most common is sodium fluoride which preserves

Anticoagulants

commonly called blood thinners, are chemical substances that prevent blood clots.

The two methods are by precipitation of calcium or preventing thrombin formation. The different types

of anticoagulants are ethylenediaminetetraacetic acid (EDTA), citrates, heparin, and oxalates.

Clot Activators

enhances coagulation in serum specimen tubes. There are two types of activators:

clotting factors such as thrombin, and substances that provide more surface for platelet activation

such as glass (silica) particles and inert clays (celite).

Thixotropic Gel Separator

inhibits cells from metabolizing substances and moves between cells &

serum or plasma when centrifuged.

Trace Element-Free Tubes

are made of materials that are as free of trace element contamination.

These have royal-blue stoppers and are used for variety of purposes such as trace element tests,

toxicology studies and nutrient determination.

No additive

Red

Coagulant

Orange

Coagulant and Separation Gel

Yellow

Heparin Sodium

Green

Herapin Lithium

Light Green

EDTA Coagulant

Purple

Sodium Citrate 1:9

Light Blue

Sodium Citrate 1:4

Black

Potassium Oxalate Monohydrate and Sodium Flouride

Grey

Yellow, Light Blue, Red, Red, Gold plastic, Green, lavender, pearl top, gray

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