Spectra 9 (Improved Version of Martek® 9)


Spectra 9 is the most reliable and consistent low-cost medium for isotopic enrichment of proteins expressed in bacteria. Spectra 9 is a minimal medium supplemented with our "rich" CELTONE® Base Powder wihc contains amino acids, vitamins, peptides and other essential nutrients to ensure optimal cell growth and protein expression.

  • Spectra 9 is an improved version of Martek 9 Bacterial Growth Medium
  • Spectra 9 is available as a ready-to-use medium
  • Spectra 9 is available in any combination of 13C, 15N and 2H


    GROWTH COMPARISON BETWEEN SPECTRA 9 AND MARTEK 9



    Protocal: Please follow the same protocol for Spectra 9 as for MARTEK 9 media

    Samples: Complimentary trial samples of unlabeled Spectra 9 are available upon request

    Description % Isotopic Enrichment Product No. Quantity Price
    Spectra 9-U   Natural   5S011L0   1L   $50
    Spectra 9-d   2H, >97%   5S111L97   0.5 L
    1L    		   $400
    $750
    Spectra 9-C   13C, >98%   5S211L98   0.5 L
    1L    		   $350
    $700
    Spectra 9-N   15N, >98%   5S311L98   0.5 L
    1L    		   $80
    $135
    Spectra 9-CN  

    13C, >98%
    15N, >98%

    		  5S411L98   500mL
    1L    		   $350
    $690
    Spectra 9-dN  

    2H, >97%
    15N, >98%

    		  5S611L97   500mL
    1L    		   $550
    $1,000
    Spectra 9-dCN (50%)  

    2H, 50%
    13C, >98%
    15N, >98%

    		  5S711L50   500mL
    1L    		   Inquire
    Inquire
    Spectra 9-dCN (97%)   2H, >97%
    13C, >98%
    15N, >98%     		  5S711L97   500mL
    1L    		   $1,100
    $2,000