Rotating Bottle Method
Rotating Bottle Method - Related Videos
10:04
The Method of Rodent Whole Embryo Culture using the Rotator-type Bottle Culture System
0 Views •
Cited by 21 •
2010
Whole embryo culture technique allows us to culture mouse and rat embryos ex vivo condition during limited periods corresponding to midgestation stages. In this video protocol, we demonstrate our standard procedures of rat whole embryo culture after E12.5 using the rotator-type bottle culture system.
05:56
Mental Rotation
0 Views •
2023
Source: Laboratory of Jonathan Flombaum—Johns Hopkins University Visual mental imagery refers to the ability to conjure images in one’s mind’s eye. This allows people to process visual material above and beyond the constraints of a current point-of-view; for example, a person could imagine, using their mind’s eye, how something might look in a different color, or what it would look like if it were made from a different material or rotated and seen from a different perspective. Mental imagery...
12:34
Methods for Measuring the Orientation and Rotation Rate of 3D-printed Particles in Turbulence
0 Views •
Cited by 7 •
2016
We use 3D printing to fabricate anisotropic particles in the shapes of jacks, crosses, tetrads, and triads, whose alignments and rotations in turbulent fluid flow can be measured from multiple simultaneous video images.
02:06
The Accelerating Rotating Rod Assay or Rotarod Test: A Method to Test Motor Coordination and Learning in Mice
0 Views •
2023
In this video, we perform the accelerating rotating rod or rotarod test to assess motor coordination and learning in mouse...
07:48
Rotational Inertia
0 Views •
2023
Source: Nicholas Timmons, Asantha Cooray, PhD, Department of Physics & Astronomy, School of Physical Sciences, University of California, Irvine, CA Inertia is the resistance of an object to being accelerated. In linear kinematics, this concept is directly related to the mass of an object. The more massive an object, the more force is required to accelerate that object. This is seen directly in Newton's second law, which states that force is equal to mass times acceleration. For rotation,...
FAQs
The horizontal rotation repeatedly brings a thin layer of culture medium into contact with adherent cells on the bottle's inner surface. This recurring contact supports delivery of nutrients, exchange of gases, and removal of cellular waste. As a result, the available surface can remain functionally supplied during culture.
Compared with static culture, rotation allows cells distributed across the bottle's available inner growth surface to receive repeated medium contact. That repeated exposure helps maintain access to nutrients while supporting gas exchange and waste removal across a larger culture area. Consequently, the method can be used when researchers need to expand cell populations beyond what static culture alone can practically provide.
Rotation around a horizontal axis causes the medium to move across different regions of the cylindrical inner surface rather than remaining in one fixed position. This movement helps distribute exposure to nutrients, supports gas exchange, and aids waste removal. The geometry therefore links bottle motion with more consistent cellular contact.
To operate a culture, researchers place adherent cells and culture medium in the cylindrical bottle, then rotate the bottle around its horizontal axis. During operation, the turning motion repeatedly brings medium into contact with the attached cells. This workflow supports cell expansion while maintaining the repeated nutrient, gas, and waste exchanges needed during cultivation.
In clinical research and bioprocessing, the Rotating Bottle Method is useful when a project requires expanded cell populations, biological-material production, or a transition toward larger-scale culture. It also supports controlled experimentation in which researchers seek consistent cellular output. These uses make the technique relevant both to practical cell supply and to studies that compare culture performance.
Researchers can assess whether the culture provides the desired cellular output and whether it supports expansion across the available growth surface. The method also serves production work involving biological materials. Because medium repeatedly reaches attached cells, observations can relate culture performance to nutrient delivery, gas exchange, and waste removal rather than cell growth alone.