Platinum Equity, a Los Angeles-based global investment firm focused on mergers, acquisitions, and operations, has made a binding offer to acquire Johnson & Johnsons’ Chesterbrook, Pennsylvania and Zug, Switzerland-based LifeScan business, which sells the OneTouch line of connected and non-connected glucometers. Platinum Equity will pay $2.1 billion for the business, which reported $1.5 billion in net revenue last year.