Banner Ads on





728×90 (Leaderbord); rotating

Book via e-mail

E-mail to

  • All house/marketing ads should go to Koji Katsumata; kindly request through Workfront 
  • All others (sold ads) to [email protected]
    (these colleagues also provide usage statistics for sold banners)
Online Booking Sheet (xls file)

Fill into the yellow fields:

  • start date
  • end date
  • impression volume
  • your name
  • region

Please note that sold banners have priority over house/marketing banner

Banner grafic

File Types Accepted

  • DoubleClick Tags (preferred)
  • GIF, JPG & PNG
  • SWF (Flash)
  • HTML5 (provided as a third-party tag)
  • Third-party tags from DFP certified vendors found here:

Max File Size
40 KB (Max Initial File Size); 100 KB (Subsequent Max User Initiated File Size);
2.2 MB (Subsequent Max Additional User-Initiated File Size, ex: Streaming Video)


Please use UTM tagging for house/marketing ads;
you can also request the statistics from Koji Katsumata; please provide the item ID you received in the confirmation


Banner Ads in Newsletters




728×90 (Full Banner), 1 per newsletter

Book via email


E-mail to

Ralf Schlichting

  Which newsletter

weekly, pharma/healthcare, organic, nano, catalysis

  • weekly newsletter sent every Thursday
  • organic 2nd Tuesday of the month
  • nano 3rd Tuesday
  • catalysis and pharma 4th Tuesday
  Start & end date


  Banner grafic

! animated banners are not working in these newsletters, please send gif, jpg, or tif formates


Please use UTM tagging

Sold banners have priority, but we still have enough vacant positions for marketing.


Usage Data

(data for 2020)

  • average users/month: 83,000
  • average sessions/month: 95,000
  • average pageviews/month: 133,000
  • geographic distribution: 41 % Asia, 33 % Americas, 18 % Europe, 5 % Oceania, 3 % Africa

If you have any questions, please let us know at [email protected].