Modified California Roller
Modified California Roller - Related Videos
05:23
A Modified Roller Tube Method for the Long-Term Culture of Rodent Brain Slices
0 Views •
2025
This video demonstrates a modified roller tube method for the long-term culturing of brain slices from a rodent model. First, the brain slices are attached to coverslips. Then, flat-sided roller tubes with a hole on the flat side are taken, and the coverslips are positioned on the hole using adhesive discs. Finally, a nutrient medium and a carbon dioxide and air mixture are added to the tube, and the tubes are incubated with a rolling motion.
09:52
Modified Roller Tube Method for Precisely Localized and Repetitive Intermittent Imaging During Long-term Culture of Brain Slices in an Enclosed System
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Cited by 6 •
2017
Presented here is a modified roller tube method for culturing and intermittent high-resolution imaging of rodent brain slices over many weeks with precise repositioning on photoetched coverslips. Neuronal viability and slice morphology are well maintained. Applications of this fully enclosed system using viruses for cell-type specific expression are provided.
08:53
A Robotic Platform to Study the Foreflipper of the California Sea Lion
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Cited by 6 •
2017
A robotic platform is described that will be used to study the hydrodynamic performance—forces and flowfields—of the swimming California sea lion. The robot is a model of the animal's foreflipper that is actuated by motors to replicate the motion of its propulsive stroke (the 'clap').
17:50
Preventing the Spread of Malaria and Dengue Fever Using Genetically Modified Mosquitoes
0 Views •
Cited by 10 •
2007
In this candid interview, Anthony A. James explains how mosquito genetics can be exploited to control malaria and dengue transmission. Population replacement strategy, the idea that transgenic mosquitoes can be released into the wild to control disease transmission, is introduced as well as the concept of genetic drive and the design criterion for an effective genetic drive system. The ethical considerations of releasing genetically-modified organisms into the wild are also discussed.
04:12
Roller Microneedle Combined with Tranexamic Acid Solution in Treating Melasma
0 Views •
Cited by 2 •
2024
This article presents a protocol to conduct the treatment of melasma by using roller microneedles in combination with tranexamic acid solution and evaluate the efficacy.
FAQs
Rotation creates continuous movement that repeatedly brings solids, liquids, gases, and microorganisms into contact. This promotes suspension and mixing while reducing settling that can leave samples unevenly exposed. In environmental experiments, that consistency helps researchers examine microbial activity, sorption, chemical exchange, and contaminant behavior under controlled conditions.
Defined rotation speed, temperature, and incubation time establish the exposure conditions for each experiment. Together, these variables determine how consistently sample components remain suspended and how long they interact. Keeping them specified and controlled allows studies to compare contaminant degradation, microbial activity, or chemical exchange without changing the intended mixing conditions.
Sealed or covered containers help establish a defined experimental environment while the samples rotate. Their configuration is relevant when contact among solids, liquids, gases, and microorganisms must remain consistent throughout incubation. This supports controlled examination of processes such as sorption and chemical exchange, while the selected container condition becomes part of the reported exposure setup.
The rolling approach maintains continuous motion rather than allowing settling to dominate the incubation period. As a result, sample components experience more consistent suspension, mixing, and contact. That difference matters when researchers need reproducible conditions for assessing pollutant fate, treatment performance, or biological and chemical processes in soil, sediment, or water.
Researchers place the environmental sample in a container that is sealed or covered as required, then specify the rotation speed, temperature, and incubation time. The container remains in continuous rolling motion for the planned exposure period. Afterward, the resulting sample condition or measured process can be used to evaluate degradation, activity, sorption, or chemical exchange.
This method is useful when experiments need standardized contact conditions for soil, sediment, or water samples. Applications include studying contaminant degradation, microbial activity, sorption, chemical exchange, pollutant fate, and treatment performance. By limiting settling and improving mixing consistency, it helps researchers compare environmentally relevant processes and assess outcomes with greater reproducibility.