Fplc System
Fplc System - Related Videos
07:58
Electroplating of Thin Films
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2023
Source: Logan G. Kiefer, Andrew R. Falkowski, and Taylor D. Sparks, Department of Materials Science and Engineering, The University of Utah, Salt Lake City, UT Electroplating is a process that uses electric current to reduce dissolved metal cations so that they form a thin coating on an electrode. Other thin film deposition techniques include chemical vapor deposition (CVD), spin coating, dip coating, and sputter deposition among others. CVD uses a gas-phase precursor of the element to be...
08:23
Automated Lipid Bilayer Membrane Formation Using a Polydimethylsiloxane Thin Film
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Cited by 4 •
2016
We demonstrate a storable, transportable lipid bilayer formation system. A lipid bilayer membrane can be formed within 1 hr with over 80% success rate when a frozen membrane precursor is brought to ambient temperature. This system will reduce laborious processes and expertise associated with ion channels.
10:08
Fabrication of Large-area Free-standing Ultrathin Polymer Films
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Cited by 10 •
2015
We describe a method for the fabrication of large-area (up to 13 cm diameter) and ultrathin (as thin as 8 nm) polymer films. Instead of using a sacrificial interlayer to delaminate the film from its substrate, we use a self-limiting surface treatment suitable for arbitrarily large areas.
06:53
Fabrication and Optimization of Type II Silicon Clathrate Films
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2025
The two-thermal annealing method enables the fabrication of thin films of type II semiconductor silicon clathrate. Post-synthesis treatments, including thermal pressing and reactive ion etching, were performed to improve the material properties. This approach provides an accessible pathway for fabricating tunable clathrate films suitable for next-generation electronic and photonic devices.
11:19
Silk Film Culture System for in vitro Analysis and Biomaterial Design
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Cited by 22 •
2012
Silk films are a novel class of biomaterials readily customizable for an array of biomedical applications. The presented silk film culture system is highly adaptable to a variety of in vitro analyses. This system represents a biomaterial design platform offering in vitro optimization before direct translation to in vivo models.
FAQs
Separation occurs because biomolecules interact with the chromatography column differently according to size, charge, hydrophobicity, or affinity. Those differences alter how quickly each molecule moves with the buffer, producing distinct elution times. The resulting separation allows a mixed sample to be resolved into fractions that can be collected for later protein purification or analysis.
Buffer conditions can be changed as a gradient, while pumps maintain a controlled liquid-flow rate through the column. Together, these features help expose differences in molecular behavior and produce a more controlled elution pattern. Automated gradient control also supports reproducible separations, which is important when researchers compare protein fractions or repeat purification workflows.
The detector tracks signals such as ultraviolet absorbance as material leaves the column. Changes in that signal indicate when biomolecules elute and help identify portions of the run suitable for fraction collection. This monitoring connects the instrument’s separation behavior with an observable output, supporting both purification and analysis of the resulting biomolecular fractions.
Automated pumping, gradient control, detection, and fraction collection reduce variation between runs. This consistency improves reproducibility while controlled liquid handling helps preserve sensitive biological samples. In practice, the combination is useful when a study requires comparable protein preparations, repeated fractionation, or dependable examination of biomolecular interactions rather than a single manually managed separation.
A typical workflow places the sample onto a chromatography column, drives buffer through it with regulated pumps, monitors the elution signal, and collects selected fractions. The column separates components according to their molecular properties, while the detector provides a record of when material emerges. Collected fractions can then support protein purification or downstream biological analysis.
The system is useful when researchers need to separate, purify, or fractionate proteins and other biomolecules before examining their properties. It can support studies of protein structure, enzyme activity, biomolecular interactions, and recombinant products. Fraction collection is especially valuable because it preserves separated portions for subsequent biological characterization instead of treating the mixture as one sample.