Related Experiment Video
Updated: Jun 5, 2026

Isolation of High-density Lipoproteins for Non-coding Small RNA Quantification
Published on: November 28, 2016
Geometrical separation method for lipoproteins using bioformulated-fiber matrix electrophoresis: size of high-density
Mari Tabuchi1, Makoto Seo, Takayuki Inoue
1Department of Chemistry, Faculty of Science, Rikkyo University, Tokyo, Japan. mtabuchi@rikkyo.ac.jp
Abstract:
The increasing number of patients with metabolic syndrome is a critical global problem. In this study, we describe a novel geometrical electrophoretic separation method using a bioformulated-fiber matrix to analyze high-density lipoprotein (HDL) particles. HDL particles are generally considered to be a beneficial component of the cholesterol fraction. Conventional electrophoresis is widely used but is not necessarily suitable for analyzing HDL particles. Furthermore, a higher HDL density is generally believed to correlate with a smaller particle size. Here, we use a novel geometrical separation technique incorporating recently developed nanotechnology (Nata de Coco) to contradict this belief. A dyslipidemia patient given a 1-month treatment of fenofibrate showed an inverse relationship between HDL density and size. Direct microscopic observation and morphological observation of fractionated HDL particles confirmed a lack of relationship between particle density and size. This new technique may improve diagnostic accuracy and medical treatment for lipid related diseases.
Related Concept Videos
Two-dimensional Gel Electrophoresis
The first dimension separation uses the isoelectric focusing or IEF technique performed on immobilized pH gradient (IPG) strips that separate proteins according to their isoelectric points.
Biological samples, such as cells...
Size-Exclusion Chromatography
Silica particles offer advantages such as rigidity,...
