UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

o

Rule 13d-1(b)

o

Rule 13d-1(c)

x

Rule 13d-1(d)

CUSIP No. 29089Q 10 5

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
Microscience Investments Limited (in liquidation)

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

x

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
United Kingdom

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power

6.

Shared Voting Power
3,636,801 shares (The Reporting Person is a party to a voting agreement with BioPharm L.L.C., whereby the Reporting Person has agreed to vote all shares of the Issuer’s common stock owned by it in the same manner and to the same extent as BioPharm L.L.C.)

7.

Sole Dispositive Power
3,636,801 shares

8.

Shared Dispositive Power

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
3,636,801 shares

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)

12.

Type of Reporting Person (See Instructions)
OO

Item 1.

(a)

Name of Issuer
Emergent BioSolutions Inc.

(b)

Address of Issuer’s Principal Executive Offices
300 Professional Drive

Suite 250

Gaithersburg, Maryland 20879

Item 2.

(a)

Name of Person Filing
Microscience Investments Limited (in liquidation)

(b)

Address of Principal Business Office or, if none, Residence
c/o BDO Stoy Hayward LLP

8 Baker Street

London

W1U 3LL

United Kingdom

Fax: +44 (0)20 7935 3944

(c)

Citizenship
United Kingdom

(d)

Title of Class of Securities
Common Stock, $0.001 par value

(e)

CUSIP Number
29089Q 10 5

Item 3.

Not applicable.

Item 4.

Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)

Amount beneficially owned:   

3,636,801 shares

(b)

Percent of class:   

14.25%

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote   

Not applicable.

(ii)

Shared power to vote or to direct the vote    

3,636,801 shares (The Reporting Person is a party to a voting agreement with BioPharm L.L.C., whereby the Reporting Person has agreed to vote all shares of the Issuer’s common stock owned by it in the same manner and to the same extent as BioPharm L.L.C.)

(iii)

Sole power to dispose or to direct the disposition of   

3,636,801 shares

(iv)

Shared power to dispose or to direct the disposition of   

Not applicable.

Item 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following   o.

Not applicable.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person

Not applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person

Not applicable.

Item 8.

Identification and Classification of Members of the Group

Not applicable.

Item 9.

Notice of Dissolution of Group

Not applicable.

Item 10.

Certification

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Microscience Investments Limited (in liquidation)

February 19, 2007

Date

/s/ Malcolm Cohen

Signature

Name:

Malcolm Cohen

Title:

Liquidator, acting as agent of the Reporting Person and without personal liability

Name/Title

Date:

18 DECEMBER 2006

Signed:

/s/ Jeremy Reffin

Name:

JEREMY REFFIN