NANOGEN INC

FY: Dec 31 2008

Q: Sep 30 2008

Q: Jun 30 2008

Q: Mar 31 2008

Q: Mar 31 2008

FY: Dec 31 2007

FY: Dec 31 2007

FY: Dec 31 2007

Q: Sep 30 2007

Q: Jun 30 2007

Q: Mar 31 2007

FY: Dec 31 2006

Q: Sep 30 2006

Q: Jun 30 2006

FY: Dec 31 2005

Q: Mar 31 2006

FY: Dec 31 2005

FY: Dec 31 2005

Q: Sep 30 2005

Q: Jun 30 2005

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

2.01,2.05,5.03,8.01,9.01

Entry into a Material Definitive Agreement

2.04

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

2.04,3.01

Results of Operations and Financial Condition

Other Events

1.01,7.01,9.01

1.01,9.01

2.02,8.01,9.01

8.01

5.02,8.01

1.01,2.03,3.02,3.03,5.02,7.01,9.01

Results of Operations and Financial Condition

4.02

Other Events

Regulation FD Disclosure

Cost Associated with Exit or Disposal Activities

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

Notification of removal from listing and/or registration on a national securities exchange

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Free Writing Prospectus

Prospectus Supplement for Primary Offering

No description available

Notice of Effectiveness

Withdrawal of a registration statement

Registration statement under Securities Act of 1933

Notice of Effectiveness

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Prospectus Supplement for Primary Offering

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

THERMO FISHER SCIENTIFIC INC.

LIDGARD GRAHAM PETER

Venuto Nicholas J.

LUDVIGSON DAVID

Venuto Nicholas J.

LIDGARD GRAHAM PETER

LUDVIGSON DAVID

Dreismann Heiner

PAPADOPOULOS STELIOS B

WHALEN ROBERT E

SCHREIBER DAVID

RESPESS WILLIAM L

LUDVIGSON DAVID

LIDGARD GRAHAM PETER

Venuto Nicholas J.

BIRNDORF HOWARD C

RESPESS WILLIAM L

Venuto Nicholas J.

PAPADOPOULOS STELIOS B

SALTMARSH ROBERT

No description available

No description available

Letter from the SEC

FILED AS OF DATE: 20080828

Correspondence with the SEC

Correspondence with the SEC

No description available

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

No description available

No description available

Letter from the SEC