New York, USA - October 28, 2025 - Today, Alfa Chemistry announced the availability of its updated line of polymer microspheres, offering improved performance and customization to better support research and industrial applications that demand high precision and reproducibility. This advanced portfolio of materials features narrower particle size distributions, new polymer types, and enhanced surface functionalization options, designed to help meet customer needs for consistent and customizable results.
Alfa Chemistry's Colloidal Materials Division, with nearly 20 years of expertise in particle synthesis and characterization, has further improved its methods to offer a particle size distribution of less than 5% for the nominal diameters, resulting in highly monodisperse microspheres. In addition to its core offerings of Polystyrene Microspheres and Poly(Methyl Methacrylate) (PMMA) Microspheres, the expanded line now includes Polylactic Acid Microspheres, along with customizable polymer blends to accommodate specific project requirements.
"The team has refined our polymerization and purification techniques to synthesize highly uniform microspheres with improved surface functionality," an Alfa Chemistry Colloidal Materials Division spokesperson said. "We are excited to provide researchers and manufacturers the ability to select microspheres with desired diameters, polymer compositions, and surface reactive groups to better meet the needs of their projects, minimizing variability and improving reproducibility."
Surface functionalization options were also expanded to include carboxyl (-COOH), amine (-NH2), aldehyde (-CHO), and hydroxyl (-OH) groups for more versatile and chemoselective conjugation or biofunctionalization. These improvements are expected to directly translate into the performance of microspheres in applications such as controlled reagent release, biomolecule immobilization, and functional coatings. Alfa Chemistry's custom sizes, which can be specified in any range from the nanometer to a few hundred micrometers, can also help customers tailor their polymer particles for in vitro assays, diagnostic platforms, composite materials, and specialty coatings.
"The expanded polymer microsphere line was developed in response to many customer-specific challenges," the spokesperson added. "By improving batch-to-batch consistency, these particles help users develop better drug delivery carriers. Higher binding efficiencies are realized for immunoassays. Improved mechanical properties and durability are achieved in coating applications. Our technical consultation team is always available to guide customers in their selection of polymer type, particle size, and surface modification to ensure the product meets all of their project requirements."
The updated polymer microspheres are now available and can be found on the company website at https://colloid.alfa-chemistry.com/polymer-microspheres.html.
About Alfa Chemistry
Alfa Chemistry is a United States-based ISO 9001:2015 certified Contract Research Organization (CRO) and global supplier of specialty chemicals. With divisions dedicated to colloidal materials, organic chemistry, material chemistry, and medicinal chemistry, the company is a supplier of building blocks, reagents, catalysts, reference materials, and microspheres for research and industrial applications. Alfa Chemistry focuses on precision manufacturing, rigorous quality control, and providing expert support to clients to help them advance science and create new materials.
Media Contact
Company Name: Alfa Chemistry
Contact Person: Tylor Keller
Email: Send Email
Phone: 1-516-734-6573
Country: United States
Website: https://colloid.alfa-chemistry.com
