58055
                               SUBSIDIARY GUARANTY

New York, New York                                             February 11, 2005

     FOR VALUE RECEIVED, and in consideration of note purchases from, loans made
or to be made or credit  otherwise  extended or to be extended by Laurus  Master
Fund, Ltd. ("Laurus") to or for the account of Science Dynamics  Corporation,  a
Delaware corporation ("Debtor"), from time to time and at any time and for other
good and valuable  consideration  and to induce Laurus,  in its  discretion,  to
purchase  such  notes,  make such loans or  extensions  of credit and to make or
grant such renewals,  extensions,  releases of collateral or  relinquishments of
legal rights as Laurus may deem advisable,  each of the undersigned (and each of
them if more than  one,  the  liability  under  this  Guaranty  being  joint and
several)   (jointly  and  severally   referred  to  as   "Guarantors"   or  "the
undersigned")  unconditionally  guaranties to Laurus, its successors,  endorsees
and assigns the prompt payment when due (whether by  acceleration  or otherwise)
of all present and future  obligations  and  liabilities of any and all kinds of
Debtor to Laurus and of all instruments of any nature  evidencing or relating to
any such  obligations and  liabilities  upon which Debtor or one or more parties
and Debtor is or may  become  liable to Laurus,  whether  incurred  by Debtor as
maker,  endorser,   drawer,  acceptor,   guarantors  ,  accommodation  party  or
otherwise,  and whether due or to become due, secured or unsecured,  absolute or
contingent,  joint or  several,  and  however or  whenever  acquired  by Laurus,
whether arising under, out of, or in connection with (i) that certain Securities
Purchase  Agreement  dated as of the date  hereof by and  between the Debtor and
Laurus (the  "Securities  Purchase  Agreement") and (ii) each Related  Agreement
referred  to in the  Securities  Purchase  Agreement  (the  Securities  Purchase
Agreement and each Related Agreement, as each may be amended, modified, restated
or supplemented  from time to time, are  collectively  referred to herein as the
"Documents"),  or  any  documents,  instruments  or  agreements  relating  to or
executed in  connection  with the  Documents or any  documents,  instruments  or
agreements  referred  to  therein  or  otherwise,  or  any  other  indebtedness,
obligations  or  liabilities  of the Debtor to Laurus,  whether now  existing or
hereafter arising, direct or indirect,  liquidated or unliquidated,  absolute or
contingent,  due or not due and whether  under,  pursuant to or  evidenced  by a
note,  agreement,  guaranty,  instrument  or otherwise  (all of which are herein
collectively  referred  to  as  the  "Obligations"),  and  irrespective  of  the
genuineness,  validity,  regularity or enforceability of such Obligations, or of
any instrument  evidencing any of the Obligations or of any collateral  therefor
or of the  existence  or  extent of such  collateral,  and  irrespective  of the
allowability,  allowance or disallowance of any or all of the Obligations in any
case  commenced  by or  against  Debtor  under  Title 11,  United  States  Code,
including,  without  limitation,  obligations  or  indebtedness  of  Debtor  for
post-petition interest,  fees, costs and charges that would have accrued or been
added to the  Obligations  but for the  commencement  of such  case.  Terms  not
otherwise  defined  herein  shall have the  meaning  assigned  such terms in the
Securities Purchase Agreement. In furtherance of the foregoing,  the undersigned
hereby agrees as follows:

     1. No  Impairment.  Laurus  may at any time and from  time to time,  either
before or after the maturity  thereof,  without notice to or further  consent of
the  undersigned,  extend the time of payment  of,  exchange  or  surrender  any
collateral  for, renew or extend any of the  Obligations or increase or decrease
the interest rate thereon,  or any other agreement with Debtor or with any other
party to or person liable on any of the Obligations,  or interested therein, for
the extension,  renewal, payment,  compromise,  discharge or release thereof, in
whole  or in  part,  or for any  modification  of the  terms  thereof  or of any
agreement  between Laurus and Debtor or any such other party or person,  or make
any  election  of rights  Laurus  may deem  desirable  under the  United  States
Bankruptcy  Code,  as  amended,  or  any  other  federal  or  state  bankruptcy,
reorganization,  moratorium  or  insolvency  law  relating to or  affecting  the
enforcement of creditors' rights generally (any of the foregoing, an "Insolvency
Law") without in any way impairing or affecting this Guaranty.  This  instrument
shall  be  effective  regardless  of the  subsequent  incorporation,  merger  or
consolidation of Debtor, or any change in the composition,  nature, personnel or
location of Debtor and shall extend to any successor entity to Debtor, including
a debtor in possession or the like under any Insolvency Law.

     2.  Guaranty  Absolute.  Subject to Section 5(c),  each of the  undersigned
jointly and severally  guarantees that the Obligations  will be paid strictly in
accordance with the terms of the Documents and/or any other document, instrument
or agreement  creating or  evidencing  the  Obligations,  regardless of any law,
regulation or order now or hereafter in effect in any jurisdiction affecting any
of such terms or the rights of Debtor with respect  thereto.  Guarantors  hereby
knowingly  accept  the full  range of risk  encompassed  within  a  contract  of
"continuing  guaranty"  which risk  includes  the  possibility  that Debtor will
contract  additional  indebtedness  for which Guarantors may be liable hereunder
after Debtor's financial  condition or ability to pay its lawful debts when they
fall  due has  deteriorated,  whether  or not  Debtor  has  properly  authorized
incurring such additional indebtedness.  The undersigned acknowledge that (i) no
oral representations,  including any representations to extend credit or provide
other financial accommodations to Debtor, have been made by Laurus to induce the
undersigned  to enter into this Guaranty and (ii) any extension of credit to the
Debtor  shall  be  governed  solely  by the  provisions  of the  Documents.  The
liability of each of the  undersigned  under this Guaranty shall be absolute and
unconditional,  in accordance with its terms, and shall remain in full force and
effect  without  regard to, and shall not be  released,  suspended,  discharged,
terminated or otherwise affected by, any circumstance or occurrence  whatsoever,
including,  without limitation: (a) any waiver, indulgence,  renewal, extension,
amendment or modification  of or addition,  consent or supplement to or deletion
from or any other action or inaction under or in respect of the Documents or any
other instruments or agreements relating to the Obligations or any assignment or
transfer  of any  thereof,  (b) any lack of validity  or  enforceability  of any
Document  or  other  documents,   instruments  or  agreements  relating  to  the
Obligations or any assignment or transfer of any thereof,  (c) any furnishing of
any additional  security to Laurus or its assignees or any acceptance thereof or
any release of any security by Laurus or its  assignees,  (d) any  limitation on
any party's  liability or obligation under the Documents or any other documents,
instruments  or  agreements  relating to the  Obligations  or any  assignment or
transfer of any thereof or any  invalidity or  unenforceability,  in whole or in
part, of any such document, instrument or agreement or any term thereof, (e) any
bankruptcy, insolvency,  reorganization,  composition,  adjustment, dissolution,
liquidation  or other like  proceeding  relating to Debtor,  or any action taken
with respect to this  Guaranty by any trustee or receiver,  or by any court,  in
any such  proceeding,  whether  or not the  undersigned  shall  have  notice  or
knowledge of any of the foregoing, (f) any exchange, release or nonperfection of
any  collateral,  or any  release,  or  amendment  or  waiver of or  consent  to
departure  from any guaranty or security,  for all or any of the  Obligations or
(g) any other circumstance which might otherwise  constitute a defense available
to, or a discharge of, the undersigned.  Any amounts due from the undersigned to
Laurus  shall bear  interest  until such amounts are paid in full at the highest
rate then  applicable  to the  Obligations.  Obligations  include  post-petition
interest whether or not allowed or allowable.

     3. Waivers.

          (a) This  Guaranty  is a guaranty  of payment  and not of  collection.
     Laurus shall be under no obligation to institute  suit,  exercise rights or
     remedies or take any other action against Debtor or any other person liable
     with respect to any of the Obligations or resort to any collateral security
     held by it to secure any of the Obligations as a condition precedent to the
     undersigned  being  obligated  to perform as agreed  herein and each of the
     Guarantors hereby waives any and all rights which it may have by statute or
     otherwise  which would require Laurus to do any of the  foregoing.  Each of
     the  Guarantors  further  consents and agrees that Laurus shall be under no
     obligation to marshal any assets in favor of  Guarantors,  or against or in
     payment of any or all of the Obligations. The undersigned hereby waives all
     suretyship  defenses and any rights to interpose any defense,  counterclaim
     or offset of any nature and  description  which the undersigned may have or
     which may exist  between and among Laurus,  Debtor  and/or the  undersigned
     with respect to the undersigned's obligations under this Guaranty, or which
     Debtor may assert on the  underlying  debt,  including  but not  limited to
     failure of consideration,  breach of warranty,  fraud,  payment (other than
     cash payment in full of the  Obligations),  statute of frauds,  bankruptcy,
     infancy, statute of limitations, accord and satisfaction, and usury.

          (b)  Each  of  the  undersigned  further  waives  (i)  notice  of  the
     acceptance of this Guaranty,  of the making of any such loans or extensions
     of  credit,  and of all  notices  and  demands  of any  kind to  which  the
     undersigned  may be  entitled,  including,  without  limitation,  notice of
     adverse change in Debtor's  financial  condition or of any other fact which
     might materially  increase the risk of the undersigned and (ii) presentment
     to or demand of  payment  from  anyone  whomsoever  liable  upon any of the
     Obligations,  protest,  notices of presentment,  non-payment or protest and
     notice of any sale of collateral security or any default of any sort.

          (c)  Notwithstanding  any payment or payments made by the  undersigned
     hereunder,  or any setoff or  application  of funds of the  undersigned  by
     Laurus,  the  undersigned  shall not be entitled to be subrogated to any of
     the rights of Laurus  against Debtor or against any collateral or guarantee
     or right of offset held by Laurus for the payment of the  Obligations,  nor
     shall the  undersigned  seek or be  entitled  to seek any  contribution  or
     reimbursement  from Debtor in respect of payments  made by the  undersigned
     hereunder,  until all  amounts  owing to Laurus by Debtor on account of the
     Obligations  are paid in full  and  Laurus'  obligation  to  extend  credit
     pursuant to the Documents have been  terminated.  If,  notwithstanding  the
     foregoing,  any amount shall be paid to the  undersigned on account of such
     subrogation  rights at any time when all of the Obligations  shall not have
     been paid in full and Laurus'  obligation to extend credit  pursuant to the
     Documents shall not have been terminated,  such amount shall be held by the
     undersigned  in  trust  for  Laurus,  segregated  from  other  funds of the
     undersigned,  and shall  forthwith  upon,  and in any event  within two (2)
     business days of, receipt by the  undersigned,  be turned over to Laurus in
     the  exact  form  received  by  the  undersigned   (duly  endorsed  by  the
     undersigned to Laurus, if required), to be applied against the Obligations,
     whether  matured  or  unmatured,  in such  order as Laurus  may  determine,
     subject to the provisions of the Documents.  Any and all present and future
     debts and obligations of Debtor to any of the undersigned are hereby waived
     and  postponed  in favor  of,  and  subordinated  to the full  payment  and
     performance  of, all present and future debts and  Obligations of Debtor to
     Laurus.

     4. Security.  All sums at any time to the credit of the undersigned and any
property of the  undersigned  in Laurus'  possession or in the possession of any
bank, financial institution or other entity that directly or indirectly, through
one or more  intermediaries,  controls or is  controlled  by, or is under common
control with, Laurus (each such entity, an "Affiliate")  shall be deemed held by
Laurus or such Affiliate, as the case may be, as security for any and all of the
undersigned's  obligations  to Laurus and to any Affiliate of Laurus,  no matter
how or when arising and whether under this or any other instrument, agreement or
otherwise.

     5.  Representations and Warranties.  Each of the undersigned  respectively,
hereby   jointly  and   severally   represents   and  warrants   (all  of  which
representations   and  warranties   shall  survive  until  all  Obligations  are
indefeasibly   satisfied  in  full  and  the  Documents  have  been  irrevocably
terminated), that:

          (a) Corporate  Status.  It is a  corporation,  partnership  or limited
     liability company, as the case may be, duly organized, validly existing and
     in good  standing  under  the  laws  of its  jurisdiction  of  organization
     indicated on the  signature  page hereof and has full power,  authority and
     legal right to own its  property and assets and to transact the business in
     which it is engaged.

          (b) Authority and  Execution.  It has full power,  authority and legal
     right to execute and deliver,  and to perform its obligations  under,  this
     Guaranty  and has taken all  necessary  corporate,  partnership  or limited
     liability  company,  as the case may be, action to authorize the execution,
     delivery and performance of this Guaranty.

          (c) Legal, Valid and Binding Character.  This Guaranty constitutes its
     legal,  valid and binding  obligation  enforceable  in accordance  with its
     terms,  except as enforceability  may be limited by applicable  bankruptcy,
     insolvency, reorganization, moratorium or other laws of general application
     affecting the  enforcement of creditor's  rights and general  principles of
     equity that restrict the availability of equitable or legal remedies.

          (d)  Violations.  The  execution,  delivery  and  performance  of this
     Guaranty will not violate any  requirement  of law  applicable to it or any
     contract, agreement or instrument to it is a party or by which it or any of
     its  property  is bound or  result in the  creation  or  imposition  of any
     mortgage,  lien or other  encumbrance  other  than to  Laurus on any of its
     property or assets  pursuant  to the  provisions  of any of the  foregoing,
     which, in any of the foregoing cases, could reasonably be expected to have,
     either individually or in the aggregate, a Material Adverse Effect.

          (e)  Consents or  Approvals.  No consent of any other person or entity
     (including,  without  limitation,  any creditor of the  undersigned) and no
     consent,  license,  permit,  approval or  authorization  of,  exemption by,
     notice or report  to, or  registration,  filing or  declaration  with,  any
     governmental  authority  is  required  in  connection  with the  execution,
     delivery,  performance,  validity or enforceability of this Guaranty by it,
     except to the extent that the failure to obtain any of the foregoing  could
     not  reasonably  be  expected  to  have,  either  individually  or  in  the
     aggregate, a Material Adverse Effect.

          (f)  Litigation.   No  litigation,   arbitration,   investigation   or
     administrative   proceeding   of  or  before  any  court,   arbitrator   or
     governmental  authority,  bureau or agency is currently  pending or, to the
     best of its knowledge,  threatened (i) with respect to this Guaranty or any
     of the  transactions  contemplated  by this  Guaranty  or (ii)  against  or
     affecting  it, or any of its  property  or  assets,  which,  in each of the
     foregoing cases, if adversely  determined,  could reasonably be expected to
     have a Material Adverse Effect.

                                       4

          (g) Financial Benefit. It has derived or expects to derive a financial
     or other advantage from each and every loan, advance or extension of credit
     made under the  Documents  or other  Obligation  incurred  by the Debtor to
     Laurus.

     6. Acceleration.

          (a) If any  breach of any  covenant  or  condition  or other  event of
     default shall occur and be continuing under any agreement made by Debtor or
     any  of  the  undersigned  to  Laurus,  or  either  Debtor  or  any  of the
     undersigned  should  at any  time  become  insolvent,  or  make  a  general
     assignment,  or if a  proceeding  in or under any  Insolvency  Law shall be
     filed or commenced  by, or in respect of, any of the  undersigned,  or if a
     notice of any lien,  levy, or assessment is filed of record with respect to
     any assets of any of the undersigned by the United States of America or any
     department,  agency, or instrumentality  thereof,  or if any taxes or debts
     owing at any time or times  hereafter  to any one of them becomes a lien or
     encumbrance  upon any assets of the undersigned in Laurus'  possession,  or
     otherwise,  any and all Obligations  shall for purposes hereof,  at Laurus'
     option, be deemed due and payable without notice  notwithstanding  that any
     such Obligation is not then due and payable by Debtor.

          (b) Each of the undersigned will promptly notify Laurus of any default
     by such undersigned in its respective performance or observance of any term
     or condition of any  agreement to which the  undersigned  is a party if the
     effect of such default is to cause,  or permit the holder of any obligation
     under such agreement to cause,  such  obligation to become due prior to its
     stated  maturity and, if such an event occurs,  Laurus shall have the right
     to accelerate such undersigned's obligations hereunder.

     7. Payments from Guarantors.  Laurus, in its sole and absolute  discretion,
with  or  without  notice  to the  undersigned,  may  apply  on  account  of the
Obligations any payment from the undersigned or any other guarantors, or amounts
realized from any security for the Obligations,  or may deposit any and all such
amounts realized in a non-interest bearing cash collateral deposit account to be
maintained as security for the Obligations.

     8. Costs. The undersigned shall pay on demand, all costs, fees and expenses
(including  expenses for legal services of every kind) relating or incidental to
the enforcement or protection of the rights of Laurus  hereunder or under any of
the Obligations.

     9. No  Termination.  This is a  continuing  irrevocable  guaranty and shall
remain in full force and effect and be binding upon the undersigned, and each of
the undersigned's successors and assigns, until all of the Obligations have been
paid in full and Laurus'  obligation to extend credit  pursuant to the Documents
has been irrevocably terminated. If any of the present or future Obligations are
guarantied  by  persons,   partnerships  or  corporations  in  addition  to  the
undersigned,  the  death,  release  or  discharge  in  whole  or in  part or the
bankruptcy, merger, consolidation,  incorporation, liquidation or dissolution of
one or more of them  shall  not  discharge  or  affect  the  liabilities  of any
undersigned under this Guaranty.

                                       5

     10. Recapture.  Anything in this Guaranty to the contrary  notwithstanding,
if Laurus  receives  any  payment or  payments  on  account  of the  liabilities
guaranteed   hereby,   which  payment  or  payments  or  any  part  thereof  are
subsequently invalidated,  declared to be fraudulent or preferential,  set aside
and/or  required to be repaid to a trustee,  receiver,  or any other party under
any Insolvency Law, common law or equitable doctrine,  then to the extent of any
sum not finally  retained by Laurus,  the  undersigned's  obligations  to Laurus
shall be reinstated  and this Guaranty shall remain in full force and effect (or
be reinstated) until payment shall have been made to Laurus, which payment shall
be due on demand.

     11. Books and Records.  The books and records of Laurus showing the account
between  Laurus and Debtor  shall be  admissible  in  evidence  in any action or
proceeding,   shall  be  binding  upon  the   undersigned  for  the  purpose  of
establishing  the items therein set forth and shall constitute prima facie proof
thereof.

     12. No Waiver.  No failure on the part of Laurus to exercise,  and no delay
in exercising,  any right,  remedy or power  hereunder shall operate as a waiver
thereof, nor shall any single or partial exercise by Laurus of any right, remedy
or power  hereunder  preclude  any other or future  exercise  of any other legal
right, remedy or power. Each and every right, remedy and power hereby granted to
Laurus or  allowed  it by law or other  agreement  shall be  cumulative  and not
exclusive of any other, and may be exercised by Laurus at any time and from time
to time.

     13. Waiver of Jury Trial.  EACH OF THE UNDERSIGNED  DOES HEREBY  KNOWINGLY,
VOLUNTARILY AND INTENTIONALLY  WAIVE THE RIGHT TO TRIAL BY JURY IN ANY ACTION OR
PROCEEDING  BASED ON OR WITH RESPECT TO THIS GUARANTY OR ANY OF THE TRANSACTIONS
CONTEMPLATED  HEREBY OR RELATING OR  INCIDENTAL  HERETO.  THE  UNDERSIGNED  DOES
HEREBY  CERTIFY  THAT NO  REPRESENTATIVE  OR AGENT OF  LAURUS  HAS  REPRESENTED,
EXPRESSLY OR OTHERWISE, THAT LAURUS WOULD NOT, IN THE EVENT OF LITIGATION,  SEEK
TO ENFORCE THIS WAIVER OF RIGHT TO JURY TRIAL PROVISION.

     14.  Governing Law;  Jurisdiction;  Amendments.  THIS INSTRUMENT  CANNOT BE
CHANGED OR TERMINATED ORALLY,  AND SHALL BE GOVERNED,  CONSTRUED AND INTERPRETED
AS TO VALIDITY,  ENFORCEMENT  AND IN ALL OTHER  RESPECTS IN ACCORDANCE  WITH THE
LAWS OF THE STATE OF NEW YORK WITHOUT  HAVING  EFFECT TO PRINCIPLES OF CONFLICTS
OF LAWS.  EACH OF THE UNDERSIGNED  EXPRESSLY  CONSENTS TO THE  JURISDICTION  AND
VENUE OF THE SUPREME COURT OF THE STATE OF NEW YORK,  COUNTY OF NEW YORK, AND OF
THE UNITED STATES  DISTRICT COURT FOR THE SOUTHERN  DISTRICT OF NEW YORK FOR ALL
PURPOSES IN CONNECTION  HEREWITH.  ANY JUDICIAL  PROCEEDING  BY THE  UNDERSIGNED
AGAINST LAURUS INVOLVING,  DIRECTLY OR INDIRECTLY ANY MATTER OR CLAIM IN ANY WAY
ARISING OUT OF,  RELATED TO OR CONNECTED  HEREWITH  SHALL BE BROUGHT ONLY IN THE
SUPREME COURT OF THE STATE OF NEW YORK,  COUNTY OF NEW YORK OR THE UNITED STATES
DISTRICT COURT FOR THE SOUTHERN  DISTRICT OF NEW YORK. THE  UNDERSIGNED  FURTHER
CONSENTS  THAT ANY  SUMMONS,  SUBPOENA  OR OTHER  PROCESS OR PAPERS  (INCLUDING,
WITHOUT  LIMITATION,  ANY NOTICE OR MOTION OR OTHER APPLICATION TO EITHER OF THE
AFOREMENTIONED  COURTS OR A JUDGE THEREOF) OR ANY NOTICE IN CONNECTION  WITH ANY
PROCEEDINGS HEREUNDER,  MAY BE SERVED INSIDE OR OUTSIDE OF THE STATE OF NEW YORK
OR THE SOUTHERN  DISTRICT OF NEW YORK BY  REGISTERED OR CERTIFIED  MAIL,  RETURN
RECEIPT  REQUESTED,  OR BY  PERSONAL  SERVICE  PROVIDED  A  REASONABLE  TIME FOR
APPEARANCE IS PERMITTED, OR IN SUCH OTHER MANNER AS MAY BE PERMISSIBLE UNDER THE
RULES  OF  SAID  COURTS.  EACH  OF  THE  UNDERSIGNED  WAIVES  ANY  OBJECTION  TO
JURISDICTION AND VENUE OF ANY ACTION  INSTITUTED HEREON AND SHALL NOT ASSERT ANY
DEFENSE  BASED  ON LACK OF  JURISDICTION  OR  VENUE  OR  BASED  UPON  FORUM  NON
CONVENIENS.

                                       6

     15. Severability.  To the extent permitted by applicable law, any provision
of this Guaranty which is prohibited or unenforceable in any jurisdiction shall,
as to such  jurisdiction,  be ineffective  to the extent of such  prohibition or
unenforceability  without  invalidating the remaining provisions hereof, and any
such prohibition or unenforceability in any jurisdiction shall not invalidate or
render unenforceable such provision in any other jurisdiction.

     16.  Amendments,  Waivers.  No amendment or waiver of any provision of this
Guaranty nor consent to any departure by the undersigned  therefrom shall in any
event be effective  unless the same shall be in writing  executed by each of the
undersigned directly affected by such amendment and/or waiver and Laurus.

     17. Notice.  All notices,  requests and demands to or upon the undersigned,
shall be in writing and shall be deemed to have been duly given or made (a) when
delivered,  if by hand, (b) three (3) days after being sent, postage prepaid, if
by  registered  or certified  mail,  (c) when  confirmed  electronically,  if by
facsimile,  or (d) when delivered, if by a recognized overnight delivery service
in each event,  to the numbers and/or address set forth beneath the signature of
the undersigned.

     18.  Successors.  Laurus  may,  from  time to time,  without  notice to the
undersigned,  sell, assign,  transfer or otherwise dispose of all or any part of
the  Obligations  and/or  rights  under  this  Guaranty.  Without  limiting  the
generality of the foregoing,  Laurus may assign, or grant participations to, one
or more banks,  financial  institutions or other entities all or any part of any
of the  Obligations.  In each such event,  Laurus,  its  Affiliates and each and
every immediate and successive purchaser,  assignee, transferee or holder of all
or any part of the Obligations shall have the right to enforce this Guaranty, by
legal action or  otherwise,  for its own benefit as fully as if such  purchaser,
assignee,  transferee  or holder  were  herein by name  specifically  given such
right.  Laurus shall have an  unimpaired  right to enforce this Guaranty for its
benefit  with respect to that  portion of the  Obligations  which Laurus has not
disposed of, sold, assigned, or otherwise transferred.


     19. It is  understood  and agreed that any person or entity that desires to
become a Guarantor  hereunder,  or is required to execute a counterpart  of this
Guaranty  after the date hereof  pursuant to the  requirements  of any Document,
shall become  Guarantor  hereunder by (x) executing a Joinder  Agreement in form
and  substance  satisfactory  to  Laurus,  (y)  delivering  supplements  to such
exhibits and annexes to such  Documents as Laurus shall  reasonably  request and
(z) taking all actions as specified in this Guarnaty as would have been taken by
such such Guarantor had it been an original party to this Guaranty, in each case
with  all  documents  required  above to be  delivered  to  Laurus  and with all
documents and actions required above to be taken to the reasonable  satisfaction
of Laurus.

                                       7

     20. Release.  Nothing except cash payment in full of the Obligations  shall
release any of the undersigned from liability under this Guaranty.

     21.  Limitation of  Obligations  under this  Guaranty.  Each  Guarantor and
Laurus (by its acceptance of the benefits of this Guaranty) hereby confirms that
it is its intention that this Guaranty not  constitute a fraudulent  transfer or
conveyance  for  purposes  of  the  Bankruptcy  Code,  the  Uniform   Fraudulent
Conveyance Act of any similar  Federal or state law. To effectuate the foregoing
intention,  each Guarantor and Laurus (by its acceptance of the benefits of this
Guaranty)  hereby  irrevocably  agrees that the  Obligations  guaranteed by such
Guarantor  shall be limited to such amount as will,  after giving effect to such
maximum  amount and all other  (contingent  or  otherwise)  liabilities  of such
Guarantor  that are  relevant  under  such laws and after  giving  effect to any
rights to  contribution  pursuant to any  agreement  providing  for an equitable
contribution  among such  Guarantor  and the other  Guarantors  (including  this
Guaranty),  result in the  Obligations of such Guarantor  under this Guaranty in
respect of such  maximum  amount  not  constituting  a  fraudulent  transfer  or
conveyance.

                        [Remainder of this page is blank.
                       Signature page immediately follows]


                                       8




     IN WITNESS WHEREOF, this Guaranty has been executed by the undersigned this
___ day of February, 2005.

                               M3 ACQUISITION CORP.

                               By:
                                     -------------------------------------------
                                     -------------------------------------------
                               Name:
                                     -------------------------------------------
                                     -------------------------------------------
                               Title:
                                     -------------------------------------------

                               Address:   7150 N. Park Drive, Suite 500,
                                          Pennsauken, NJ 08109

                               Telephone: (856) 910-1166
                               Facsimile: (856) 910-1811
                               State of Incorporation:  New Jersey


                               SCIDYN CORP.

                               By:
                                     -------------------------------------------
                                     -------------------------------------------
                               Name:
                                     -------------------------------------------
                                     -------------------------------------------
                               Title:
                                     -------------------------------------------

                               Address:   7150 N. Park Drive, Suite 500,
                                          Pennsauken, NJ 08109

                               Telephone: (856) 910-1166
                               Facsimile: (856) 910-1811
                               State of Incorporation:  New Jersey


                                       9