Gilson Connect
Fraction collection can be conducted in a variety of manners. Most commonly, however, fractions are collected either based on a simple function of time or more complex parameters set off by the signals from your detectors. Learn more in our helpful video, which highlights 8 common questions about fraction collection.
Preparative high performance chromatography (prep HPLC or LC) plays a crucial role in many industries. It is used to isolate and purify desired compounds, removing impurities and contaminants that can affect the quality and performance of the end product. In this video, we answer your questions about prep HPLC and how it can fit into your lab's purification workflows.
There are many different chromatography techniques, but which is right for your experiment? This video will give an overview of the main differences between analytical and preparative chromatography and help guide you to the technique that is best for your lab's purification research.
Sample preparation for any form of analysis can be tedious and time-consuming, and efforts to automate this process have been long and fruitful. Today, many different types of liquid handlers exist that can perform a variety of functions to increase throughput tremendously. In this application note, we demonstrate one example of sample prep by taking a common but complicated screening method for optimizing liquid-liquid chromatography run parameters and automating the process. We also showcase the use of liquid level detection in the precise liquid handling of biphasic solutions
In high performance liquid chromatography (HPLC), the selection of an appropriate mode of detection is vital to the success of any separation. To this end, there are numerous choices one might consider when configuring a new HPLC setup. Mass spectrometry (MS) is an alternative method of detection and identification that is much more robust than UV. Here, we describe how the VERITY 1920 Mass Spectrometer allows for MS detection capabilities at an affordable price for HPLC fraction collection.
Fractionation, or the separation of a mixture of molecules into different parts or “fractions,” helps scientists understand and/or use a complex solution. Collecting and isolating individual fractions from a mixture can enable many downstream applications as specific molecules can be separated based on physical and chemical properties. In this article, we explore the basics of fraction collection, including applications, parameters, and available solutions for your lab.
Piperine, an alkaloid that gives black pepper its pungent taste (Piper nigrum), is also associated with several bioactivities and can be used as a spray in personal defense devices. The preparative separation and purification of piperine is usually performed by conventional methods. Among those methods are centrifugal partition chromatography (CPC) and flash chromatography. In this study, a crude extract of black pepper is used to purify piperine and to compare the performance of CPC versus flash chromatography - read more about the methods and results in this application note.
In recent years, kratom has become an increasingly popular recreational drug around the world; consequently, this increase in popularity is matched by increasing concern over its potential to worsen the current opioid epidemic. As a result, further studies of kratom and its constituent compounds are necessary to better understand the mechanisms of action of these compounds and to evaluate possible therapeutic benefits of mitragynine or 7-hydroxymitragynine, present in kratom. Learn more in this application note.
Preparative chromatography, a method used to separate and purify target compounds from complex mixtures, plays a crucial role in the chemical and pharmaceutical industries. In either industry, preparative chromatography has roles in the early stages of drug development, pilot studies, and process development. In this article, you'll learn how we provide support throughout this process and enable our customers and partners to achieve their purification goals from the milligrams to the kilogram scale.
When choosing a high performance liquid chromatography (HPLC) system, it's important to consider how your future needs may evolve from your current needs. In this article, you’ll learn about the advantages of modular HPLC systems when it comes to current experimental needs and how the ability to swap out HPLC components safeguards the future of your system and your research.
