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Two Nalgene wash bottles featuring the NFPA 704 color code for hazardous materials identification. Nalgene is a brand of plastic products developed originally for laboratory use, including items such as jars, bottles, test tubes, and Petri dishes, that were shatterproof and lighter than glass. The properties of plastic products make them ...
The original Nalgene line included such items as jars, bottles, test tubes, graduated cylinders, and Petri dishes helpful to laboratory workers, chemists, and biologists because they were shatterproof and lighter than glass. The properties of the respective plastics make them suitable for work with many materials, in various temperature ranges.
A tricanter centrifuge operates on a similar principle to decanter centrifuges but instead separates three phases, consisting of a suspended solids phase and two immiscible liquids. [5] Sedimentation of the suspended solids occurs as normal where they accumulate on the wall of the bowl and are conveyed out of the centrifuge.
A laboratory centrifuge is a piece of laboratory equipment, driven by a motor, which spins liquid samples at high speed. There are various types of centrifuges, depending on the size and the sample capacity.
Tissue culture bottles: to grow or keep alive cells or tissue from a living organism, e.g. stem cells: Tuberculin syringe: as a normal syringe or to perform Mantoux test: ULT freezer: to freeze and storage of specimens Universal container: a cylindrical small glass bottle with a screw cap used as a culture medium holder Vaccine bath
A centrifuge is a device that uses centrifugal force to subject a specimen to a specified constant force - for example, to separate various components of a fluid. This is achieved by spinning the fluid at high speed within a container, thereby separating fluids of different densities (e.g. cream from milk) or liquids from solids.
In order to investigate this phenomenon, a centrifuge with even higher speeds was needed, and thus the ultracentrifuge was created to apply the theory of sedimentation-diffusion. [24] The same molecular mass was determined, and the presence of a spreading boundary suggested that it was a single compact particle. [ 24 ]
These tubes should be used with care when measuring drug or hormone levels because the drug or hormone may diffuse from the serum into the gel, causing a reduction in measured level.
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