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Technical papers, application notes and case studies from laboratory, chemistry, life science and quality control

Eppendorf AG
Reduced PCR runtimes and increased yields
Kerstin Isermann, Arora Phang, Eppendorf AG
PCR is one of the most popular methods in laboratories across the world and is routinely used in research, reference and clinical fields for various applications. Over the years, PCR technology has evolved with the needs of scientists; including developments like real-time PCR and digital PCR. ...

Shimadzu Europa GmbH
Customized solutions for cannabis testing - Analytical solutions meeting latest regulations
Dr. Gesa Shad, Shimadzu Europa GmbH
As of July 2018, over 20 European countries have legalized cannabis for medical use, and more are expected to follow in the coming years. Possession of cannabis is still illegal by federal statute; however there is an ongoing debate concerning legalization of medical and recreational cannabis. Th...

Deutsche Metrohm GmbH & Co. KG
Iron and steel slag in road building: Routine determination of the total fluorine content
Deutsche Metrohm GmbH & Co. KG
Using iron and steel slag in road building can cause the fluorine compounds contained in the slag to enter the environment. Dominik Hahn, currently a PhD student in the Technical Chemistry department at the University of Koblenz- Landau, developed a method for the determination of fluorine conten...

Wasser 3.0
Determination of particles produced during boiling in differenz plastic and glas kettles via comparative dynamic image analysis using FlowCam®
Michael Toni Sturm, Katrin Schuhen, Wasser 3.0
Sven Kluczka, Anasysta e.K.

In many everyday products containing plastics, tiny plastic particles are generated by mechanical, thermal or other influences and are released into the environment by various transport routes. These particles not only have a long lifecycle, but can also only be degraded very slowly in the ecosys...

Contraline Inc.
Ellman's assay for in-solution quantification of sulfhydryl groups
Rucha Bhat, Gregory Grover, Contraline Inc.
Ellman introduced 5,5'-dithio-bis-(2-nitrobenzoic acid), also known as DTNB, as a compound used for quantitating free sulfhydryl groups in solution. A solution of this compound produces a yellow-colored product when it reacts with sulfhydryl groups. This yellow-colored product can be measured usi...