The BeNano 90 Zeta is the latest generation of nanoparticle size and zeta potential analyzer designed by Bettersize Instruments Ltd. It is integrated with dynamic light scattering (DLS), electrophoretic light scattering (ELS), and static light scattering (SLS) to offer precise measurements on particle size, zeta potential, and molecular weight. The BeNano 90 Zeta has a short measurement duration and a user-friendly interface that make it an exceptionally powerful nanoparticle size and zeta potential analyzer.
The BeNano 90 Zeta instrument is extensively used in academic and manufacturing processes of numerous fields, such as biology, chemistry, pharmaceuticals, chemical engineering, materials, food, etc.
BeNano 90 Zeta | Nanoparticle size and zeta potential analyzer
Video Credit: Bettersize Instruments Ltd.
Features and Benefits
- High performance solid-state laser—durable, excellent stability, high power, and minimum maintenance cost
- Fast measurement capability—faster operations and editable results
- Sensitive optical fiber detection system—effectively boosts signal-to-noise ratio, thanks to the excellent sensitivity of the optical system
- Intelligent intensity adjustment—the intensity can be effectively adjusted in accordance with the signal-to-noise ratio
- Disposable folded capillary cell—exceptional repeatability of zeta potential measurements and prevents cross-contamination
- Phase analysis light scattering—measurement of zeta potential and low electrophoretic mobility
- Intelligent algorithm of result assessment—intelligent assessment and processing of signal quality prevent the effect of arbitrary events
- Capillary sizing cell—sample volume as low as 3 to 5μL and higher measurement precision for large particles
- Multipurpose calculation modes—numerous integrated calculation modes cover various scientific research and application fields
- Extremely stable optical design—offers highly repeatable results and does not need routine maintenance
- A broad range of temperature control—modifiable temperature from −10°C to 110°C to fulfill various measurement needs and enable thermal stability analysis of specimens
A Research Level Software

Image Credit: Bettersize Instruments Ltd.
The BeNano range includes software with easy-to-use interface, various types of report pages, and results previews.
Software Features
- Standard Operating Procedure (SOP) ensures the completeness and accuracy of parameters during measurements
- Measurement interface shows real-time information and results of various types
- Results and Statistics – automatic calculations of mean and standard deviation
- Statistics and Overlay – compares results from multiple runs
- Over 100 parameters available, 100% covering the needs for research, QA, QC, and production
- Life-long upgrades provided free of charge
Applications with DLS technique
- Research on thermal-sensitive systems, for instance, PNIPAm
- Research on reaction mechanisms and polymerization process
- Research on the kinetics of self-assembly and other procedures of polymerization and depolymerization of macromolecules
- Particle size and distribution of colloids, polymers, biomacromolecules, self-assembling system, peptides, proteins, antibodies, antigens, and non-metal/nano metal particles
Applications with ELS technique
- Industries include but are not limited to biology, chemicals, chemical engineering, pharmaceuticals, food and beverage, abrasive and paints, environmental protection, and water treatment
- Zeta potential, electrophoretic mobility, and their distributions of suspension systems, like emulsions, colloids, macromolecules, antibodies, antigens, proteins, coal-water slurries, and non-metal/nano metal particles
- Research on surface modifications and surface electrical properties
- Controlling and monitoring product stability
- Stability research and control of suspension systems
Applications with SLS technique
- Petroleum engineering—characterization of oil-displacing surfactants and macromolecule additives
- Chemical engineering—characterization of micelles, polymers, and supermolecules
- Pharmaceuticals—research on stability and aggregation of medications
- Life science—characterization of polysaccharides, polypeptides, and proteins
- Confirmation of supermolecules and studies on self-assembling aggregates