
CPG’s Boston Office is Relocating to Woburn in August 2021
Cambridge Polymer Group, a premier contract R&D lab supporting medical device, pharmaceutical, consumer products and industrial companies, is moving to a new 17,000 SF facility on August 5, 2021. After two decades in Boston’s Charlestown neighborhood, CPG is relocating to Cummings Properties’ TradeCenter 128 campus in Woburn to accommodate rapid growth. Conveniently situated on Route […]

What’s in Your Supplement?
Deformulation of a Curcumin Nutraceutical By LCMS Turmeric, the orange-yellow root of the Curcuma longa, has been used as a spice, medicine, and dye for at least 4,500 years. Turmeric consists of hundreds of compounds, but the curcuminoid curcumin is a major component of most commercial extracts. Although recent lab and animal research has found […]

Molecular Weight of Dextran by USP Method
Dextran, a polysaccharide made from glucose, is widely used in the medical field for treatment of shock, as an antithrombotic agent, to reduce blood viscosity, and as an anticoagulant. The two most common forms are dextran 40 and dextran 70 (the 40 and 70 refer to their molecular weights, nominally 40,000 and 70,000 g/mol). The […]

The Gift of the Methyl Group Magi
A CPG twist on a holiday classic, with happier results Paraxanthine and Theophylline sat at their Thanksgiving table. “What have I got to be thankful for?” grumbled Xan. “No one’s ever heard of me. Caffeine gets all the hype, even though I’m more potent with less of the negative side effects. I want to be […]

New Standard on Qualification of Polymeric Materials Used for Additive Manufacturing
ISO and ASTM are drafting a new standard on qualification of polymeric materials used for additive manufacturing using powder bed fusion (ISO/ASTM DIS 52925:2020). This standard is focused on polyamide 12 and 11, but the standard may be applicable to other polymeric materials. The standard discusses the following test methods: Particle size Residual monomer Relative […]

Reprocessing Personal Protective Equipment
The ASTM workshop on Reprocessing Personal Protective Equipment (September 9-10, 2020, virtual workshop) is looking for presentations on the following topics: Methods/guides/practices to address reprocessing single use PPE and reusable PPE (including N95 respirators, personal face masks, protective clothing and coverings, etc.): Current issues with decontaminating single use PPE Cleaning Index matching Collection and distribution […]

Like Water off a Thorny Devil’s Back
Australian thorny devil Lizard Surface Energy Wetting The Australian thorny devil (meloch horridus) is a desert-going lizard that has developed an impressive application of transport phenomenon to make the most of a limited source of water in the arid regions it inhabits.[1] The lizard has a skin surface that contains a continuous series of micro-channels […]
CPG Returns to Fully Open Status
CPG is now fully open and able to work on ALL projects; we are no longer limited to COVID-19 response or projects essential for medical emergency staff. Turnaround times may still be affected due to the need to social distance. Cambridge Polymer Group is in compliance with Massachusetts Governor Baker’s May 18th re-opening schedule. CPG […]

Mask-Making Tips from Crafty Material Scientists
CPG employees are making masks for friends, family, neighbors, hospital workers, and the Boston Mask Initiative. Because most stores are closed due to COVID-19, CPG mask makers put their material selection skills to good use while scavenging household supplies. We pooled our mask-making and mask-wearing experiences into the following suggestions: #1 – Fit Is Most […]

Cambridge Polymer Group 3D Prints COVID-19 Equipment
Cambridge Polymer Group owns two 3D printers, a PRUSA and a Leapfrog Xeed. We use them for making prototypes and creating custom instrument parts. When Massachusetts Governor Baker issued the shelter-in-place order on March 23rd, we brought our printers home, so that we could join the worldwide movement to alleviate the shortage of personal protective […]