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The KNAUER science blog
25.11.2024
Our recap of the HPLC Praxistag 2024 - a meeting for HPLC users in the heart of Berlin.
At the charming Hollywood Media Hotel in the middle of our home town Berlin, lab technicians, experienced HPLC specialists as well as manufacturers of different instruments and safety equipment were getting together. Many participants also used the chance to visit KNAUER's production and assembly site and the application lab.
11.11.2024
If you aren't you may want to read Jakob Große-Leppkes' latest blog post about these so-called micro inserts to get an idea.
If you do work with them, you may also find some considerations useful.
Find out why these tiny add-ons for sample vials can be a real problem solver for your HPLC analysis.
28.10.2024
Our intestines are crucial for our well-being. Mostly, we don't notice it, until something is out of balance.
In a new Blog post Till Myrach discusses the condition of 'Short Bowel Syndrome' and its consequences for fluid and mineral intake.
How can osmometry help?
17.10.2024
"Just back from the International Symposium on Chromatography (ISC), colleagues are asking: How was the conference in Liverpool? Was it worth attending? Yes, let me tell you why …"
This is how our colleage Giorgia Greco begins her blog post about the symposium that ran in its 34th edition in the second week of October.
30.09.2024
There are a few things to be considered, when selecting a single-use filter for cleaning your sample from particulates. The chemical composition of your sample, the tolerance of your analysis method to particles and the solvents used are among the most important factors. But reliable quality and certifications are also important.
17.09.2024
HPLC method development is really important. It's all about getting the separation of our analytes just right with accurate and reproducible results. Downscaling HPLC methods to more modern column dimensions is a common optimization scenario. Our free method converter tool helps to make it an easy task.
30.08.2024
When it comes to analytical High-Performance Liquid Chromatography (HPLC), every analysis starts with a sample vial. The sample vial can have a significant influence on HPLC analysis quality, limit of detection and data consistency. (Blog post on our new store website)
04.03.2021
HPLC is a fast, accurate, and highly reproducible technique that can be used for the extraction and purification of the sweetener xylitol.
04.12.2020
Liquid chromatography solutions for the quality control of BPA in water. BPA is a common additive used in the industrial production of polycarbonates and polyvinyl chloride (PVC).
02.09.2020
The real battle in returning to normalcy is fought by SARS-CoV-2 researchers across the globe. Learn how liquid chromatography has been essential to that effort.
27.08.2020
At KNAUER, we design and manufacture high-end osmometers that forefront ease-of-use and reliability. In this article, we will outline the applications and specifications of our latest osmometer K-7400S, before offering insights into pricing.
05.08.2020
In this article we pursue the question and explore some of the basic principles of osmometry in detail.
30.07.2020
Ion exchange chromatography (IEX) is a popular technique in the protein purification pipeline. In this blog post we explain the principles of ion exchange chromatography for FPLC applications in detail.
27.04.2020
Acquiring pure proteins in good yields is important for many applications. In this article you will read more about principles, systems and processes of automated protein purification.
03.03.2020
HPLC has proven instrumental in meeting the growing demands for premium dietary supplements based on high purity EGCG extracts.
17.01.2020
(U)HPLC systems are routinely employed to distinguish ‘fake’ flavours from the genuine article. By screening for associated marker substances, chemists can quantitatively prove the authenticity of flavour additive.
09.12.2019
SMB systems have increasingly been explored as a potential solution to the problem of cost-effective purification of cannabinoids at larger scales.
09.12.2019
In this blog post, Knauer explores the use of various HPLC methods and detectors with a focus on biofuels research.
31.10.2019
In this blog post, KNAUER aims to distinguish marijuana from hemp from the perspective of preparative HPLC.
31.10.2019
Analytical HPLC is often used in cannabis analysis to detect and quantify different cannabinoids.
31.10.2019
Liquid chromatography is central to a broad cross-section of cannabis testing applications. It has been used to help characterize the 100+ cannabinoids extracted from the cannabis plant.
24.10.2019
The sensitive determination of sugars and other carbohydrates is of great interest because of its importance in ecological, biological, clinical and nutritional research. Find out the different HPLC determination methods in use.
23.10.2019
See how KNAUER simplified the Two-Step purification system with a multi-injection valve and made the FPLC system even more efficiently.
16.09.2019
Isotonic is a relative term that describes the solute concentration of a solution as like that of human blood. Demonstrating Health Benefits of Isotonic Drinks with Osmometry.
04.09.2019
The properties of a plastic do not only depend on the base polymer. With additives, the basic properties can be modified during processing, for example, for a higher elasticity or better light stability of a plastic.
22.08.2019
The Quality Control (QC) of honey can be made easier, faster and cheaper by using HPLC systems. Both the sugar composition and the exposure to pesticides can be detected.
22.07.2019
Food fraud has many facets and often goes unrecognized. Quality control of foods with HPLC offers many advantages.
16.07.2019
The optimal method for extracting and analyzing mycotoxins from food goods and crops involves solid-phase extraction (SPE) via high-performance liquid chromatography (HPLC) and fluorescence detection.
10.07.2019
In preparative HPLC, it is common to monitor and control the purification via refractive index or UV signal.
13.06.2019
Adapt the sample injection mode to your task. Choose between manual or automated sample injection. Available modules include injection valve, sample pump, or autosampler..
07.06.2019
HPLC analysis of pesticides determines the quality of food and increases the safety of the consumer. Especially in industrial agriculture a variety of pesticides are used, which can be detected by HPLC.
17.05.2019
Read which qualification steps are common for the qualification of an LC measuring system
14.05.2019
HPLC is a well-established technique for separating mixtures of substances into their constituent parts based on specific chemical and molecular properties.
11.05.2019
Which behavior is recommendable and safe in the laboratory? It has evolved steadily with the knowledge about effects and dependencies.