Assay conditions were selected to enable measurement of free light chains in the concentration range between 0.1 and 20 mg/l. The normal range for free lambda chains in serum was found to be 0.4-4.2 mg/l and for free kappa chains it was 1.6-15.2 mg/l.he normal range for free lambda chains in serum was found to be 0.4-4.2 mg/l and for free kappa chains it was 1.6-15.2 mg/l.
The Atari 2600, or Atari VCS before 1982, is a home video game console released on September 11, 1977 by Atari, Inc. It is credited with popularizing the use of microprocessor-based hardware and ROM cartridges containing game code, a format first used with the Fairchild Channel F game console.
Sears released several versions of the 2600 as the Sears Video Arcade series from 1977 to 1983. These include the Rev. A Heavy Sixer model in 1977, the Rev. B 4 switch model in 1980, and the US version of the Atari 2800 branded as the Sears Video Arcade II in 1983.