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An Introduction to Horseradish Peroxidase (HRP) and Its Applications

Horseradish peroxidase (HRP) is an enzyme used for detecting molecules, degrading toxins, cross-linking proteins, and in diagnostics like lateral flow assays.

Quantification and Quality Control via CCM Fingerprinting

Learn about rapid and cost-effective identification of more than 100 media formulation components using LC-MS cell culture media fingerprinting.

Tangential Flow Filtration in Downstream Bioprocessing

There are many options for tangential flow filtration (TFF) in downstream bioprocessing from multi-use to single-use TFF or batch TFF and single-pass TFF.

Viral Safety in Bioprocessing

Viral safety in bioprocessing relies on a framework of (1) preventing contamination, (2) detecting contamination, and (3) removing or inactivating viral contaminants.

Scalable Tangential Flow Filtration (TFF) for Downstream Processing of Viral Vectors for Gene Therapy and Vaccine Production

Our overview of scalable tangential flow filtration for viral vector production will provide key considerations for developing and optimizing your downstream process.

Renewable Electricity Toolkit

The Renewable Electricity Supplier Toolkit helps suppliers learn renewable electricity basics and how to bring projects to life.

Viscosity Reduction in High Concentration TFF

This overview describes how use of viscosity-reducing excipients can address viscosity challenges in high concentration tangential flow filtration (TFF) and improve process economics.

Tangential Flow Filtration in the Antibody Drug Conjugate (ADC) Manufacturing Process

Find best practices for using Pellicon® Capsules in ADC processing as well as data from two studies using Pellicon® Capsules and Pellicon® cassettes in the ADC manufacturing process.

Water Determination in Liquefied Petroleum Gas using GC BID and Ionic Liquid Column Watercol™

Using Watercol™ GC columns in conjunction with GC-BID can provide a reliable and practical option for Water determination in petrochemical feedstocks.

Bioburden Control in Bioprocessing

Bioburden control in bioprocessing requires assessing the risks, mitigating the risks, and monitoring bioburden levels.

Membrane Prefilters Improve Sterilizing Filter Capacity and Process Economics in Bioprocessing

Prefilters can be used throughout bioprocessing to remove to remove particulates, improve quality and protect sterilizing filters and downstream unit operations.

Single-Pass Tangential Flow Filtration Implementation and Scaling

Get practical guidance on using single-pass tangential flow filtration in your downstream process and scaling between capsules and cassettes.

Cell Counting Using a Hemocytometer

Cell counting protocol using a hemocytometer for monitoring cell viability. Discover other cell counting tools such as the Scepter™ 3.0 Cell Counter.

Sterilizing Grade Filtration Unit Operations for Plasmid DNA Processes

We discuss the final filtration step of plasmid DNA manufacturing and its key considerations and challenges. Download our free pDNA downstream purification eBook or ask our experts.

Ultrafiltration/Diafiltration (UF/DF) in Plasmid DNA Manufacturing

How are ultrafiltration and diafiltration used in plasmid DNA manufacturing and how should you optimize this process? Learn more in our technical article and download our free eBook.

Allergenic Fragrance Testing – Certified Materials

IFRA method introduces new CRMs for allergenic fragrances, analyzed by GC with ionic liquid capillary column for selectivity.

Analysis of Alkylphenols Using New Internal Standards

Alkylphenols are used in various industries like paper manufacturing and pesticide formulations.

FAME Standard for Optimizing GC System Performance

AOCS and AOAC methods for determining the trans fatty acid composition of foods by gas chromatography require the use of a highly polar cyanosilicone capillary column to provide the best peak resolution attainable of the numerous geometric (cis & trans)

Fast and Reliable Environmental Analysis of Aldehyde and Ketone Air Pollutants

Aldehydes and ketones are ubiquitous air pollutants. Along with esters and ethers, they are major components of indoor air pollution and are therefore important for industrial hygiene applications.

Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column

GC Analyses of FAMEs by Boiling Point Elution

GC Analyses of Free Fatty Acids

GC Analysis of C5-C12 n-Alkanes and BTEX on SUPELCOWAX® 10

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GC Analysis of Natural Gas (GPA Method 2261)

Packed columns for natural gas BTU determination as per GPA and ASTM methods, ensuring accurate measurements in gas processing.

Hydrogen: A Carrier Gas Alternative to Helium

Hydrogen has several features (higher optimal linear velocity, and flatter Golay curve) that result in desirable benefits (decreased analysis times) when compared to other GC carrier gas choices.

Ionic Liquid GC Columns

Ionic liquid capillary GC columns enhance polar analyte inertness, addressing challenges in chromatography with improved stationary phases.

Bromine in Drinking Water, Swimming-Pool Water, Wastewater and Disinfection Solutions

Spectrophotometric determination of bromine with dipropyl-p-phenylenediamine (DPD) in drinking water, swimming-pool water, wastewater, and disinfection solutions in a range of 0.020 – 10.00 mg/L.

Determination of Calcium in Beer

Using the Spectroquant® photometric system, we outline a photometric analysis of calcium levels in beer.

Cell Density measurement by OD600 Method

Optical density measurement of bacterial cells at 600 nm using pre-programmed method in Spectroquant® Prove spectrophotometers.

Analytical Method: COD Measurement in Waste Water (Rapid-Digestion Method)

Analytical Method COD measurement in wastewater - Photometric determination of chromate consumption subsequent to digestion in 20 min.

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