MODERN LABORATORY AND INDUSTRIAL LAB INSTRUMENTS

Hydrogels play a pivotal role in the biomedical field due to their versatile applications, ranging from drug delivery systems to tissue engineering. The mechanical characterization of hydrogels is crucial to assess its fit with the final application and for understanding their performance over time. However, obtaining a sufficient quantity of samples for accurately testing them can be a challenge. In response to this limitation, the μ-volume sample holder...

Chemical reactions in which one of the reactants or products is colored can be monitored with absorbance measurements over time. For example, dye molecules can react with specific substances changing its chemical structure and therefore its ability to absorb/reflect light the same way. Similarly, the activity of enzymes can be monitored when the reaction between the enzyme and the substrate results in a colored product. In these two examples, the rate of the chemical reactions...

Absorbance is a crucial concept in the field of spectrophotometry, a technique used to measure the amount of light absorbed by a substance over a large range of wavelengths. It is a dimensionless quantity derived from the logarithm of the ratio of incident light to transmitted light through a sample. The absorbance spectrum, often represented as a graph, reveals the wavelengths at which a substance absorbs light most strongly (Figure 1). This information is useful in various scientific fields such as biology, chemistry, biochemistry, molecular biology for identifying and quantifying specific compounds...

Monitoring the metabolism of microbes in a bioproduction process holds pivotal significance for process optimization, product quality, and scale-up processes [1]. By quantifying microbial metabolic rates, adjustments to crucial parameters can be made to enhance production efficiency and yield. This application note explores the use of TURBIDI.T™ (Rheolution, QC, Canada) technology to monitor different yeast metabolisms through turbidity measurements. While turbidity has not been widely used for monitoring yeast metabolism, it holds substantial potential as a valuable tool. Turbidity...