Randhawa-Global Tubes

RANDHAWA GLOBAL Borosilicate Glass 3.3 Microcapillary Tube 900 mm Length, RG-20031 (Pack of 100) is a slender and very narrow glass or plastic tube with a small internal diameter, typically ranging from a fraction of a millimeter to a few millimeters. These tubes are used in various scientific, medical, and laboratory applications for tasks such as precise liquid measurements, microscale experiments, and sample handling.
Key features and functions of microcapillary tubes:
Liquid Transfer: Microcapillary tubes are primarily used for transferring small volumes of liquids accurately. Their narrow bore allows for precise measurement and dispensing, making them valuable tools in laboratory experiments and medical diagnostics.
Blood Collection: In medical applications, microcapillary tubes are commonly used for capillary blood collection from fingertips or other puncture sites. The blood is drawn into the tube via capillary action and can be used for various tests and analyses.
Hematocrit Determination: Microcapillary tubes are essential for determining the hematocrit level in blood, which represents the proportion of red blood cells to the total blood volume. This test is crucial in diagnosing anemia, polycythemia, and other blood disorders.
Chemical Analysis: In analytical chemistry, microcapillary tubes are used to deliver precise volumes of reagents or samples for chemical analysis, such as spectrophotometry or chromatography.
Sample Handling: Microcapillary tubes are often used to handle and store small liquid samples, especially when working with limited or precious materials, such as DNA or protein samples.
Microscale Experiments: Researchers in various scientific disciplines, including molecular biology, genetics, and microfluidics, use microcapillary tubes in microscale experiments where precise control of small volumes is critical.
Protocols Requiring High Precision: Some laboratory protocols demand high precision and accuracy in liquid measurements, and microcapillary tubes are well-suited for such applications.
Types of microcapillary tubes:
Glass Microcapillary Tubes: These tubes are made of glass and are often used in chemistry and biology applications due to their inert nature and transparency, which allows for visual inspection of the liquid.
Plastic Microcapillary Tubes: Plastic microcapillary tubes are often disposable and come in various materials like polyethylene or polypropylene. They are commonly used in clinical settings due to their lower cost and reduced risk of breakage.
Heparinized Microcapillary Tubes: Some microcapillary tubes are coated with heparin, an anticoagulant, to prevent blood from clotting during collection and analysis.
Microcapillary tubes are versatile tools for precise liquid handling, especially in situations where small volumes or microscale measurements are required. Their ability to accommodate tiny quantities of liquid with accuracy makes them indispensable in laboratory and medical settings, contributing to advancements in scientific research and diagnostics.