EXHIBIT 99.1

FOR IMMEDIATE RELEASE

              XTRANA, INC. AND ALPHA INNOTECH CORPORATION ANNOUNCE
                     CLOSING OF REVERSE MERGER TRANSACTION,
                  1-FOR-10 REVERSE STOCK SPLIT AND NAME CHANGE

October 4, 2005 -- XTRANA,  Inc.  (OTCBB:  XTRN) and Alpha Innotech  Corporation
announced  the  closing,  effective  of as October 3,  2005,  of the  previously
announced  reverse  merger  transaction.  Pursuant to an  Agreement  and Plan of
Merger, Alpha Innotech Corporation was merged with a wholly-owned  subsidiary of
Xtrana, with Alpha Innotech Corporation being the surviving operating entity and
becoming a wholly-owned  subsidiary of Xtrana.  As a result of the closing,  the
historical   business  operations  of  Alpha  Innotech  will  comprise  Xtrana's
principal business operations going forward.

Alpha  Innotech  was  founded  in  1992  and is  headquartered  in San  Leandro,
California.  Alpha Innotech  develops,  manufactures and markets digital imaging
and detection systems for the life science research and drug discovery  markets.
Alpha  Innotech's goal is to combine  instruments,  reagents and  bioinformatics
software   to   offer   integrated   modular   technology   platforms   for  the
electrophoresis,  functional  genomics,  proteomics  and cell analysis  markets.
Alpha  Innotech had revenues of $10.5 million for the fiscal year ended December
31,  2004 and  expects  revenues  to  increase  at least 15% for the year ending
December 31, 2005 as compared to the prior year.

Pursuant  to the  merger,  all  outstanding  capital  stock  of  Alpha  Innotech
Corporation  was  converted  into the right to receive  shares of Xtrana  common
stock and all outstanding Alpha Innotech  Corporation stock options and warrants
were converted into options and warrants to purchase  Xtrana common stock.  As a
result  of  the  merger,  the  former  Alpha  Innotech   shareholders  now  hold
approximately  83% of the outstanding  common stock of the combined  company and
stockholders  who held Xtrana common stock  immediately  prior to the merger now
hold  approximately  17% of the issued and outstanding  common stock  (excluding
options and warrants).

Alpha  Innotech  shareholders  approved the merger earlier this month by written
consent.  Xtrana  stockholders  approved  the merger at the annual  stockholders
meeting held yesterday. Additional information about the merger transaction, and
Alpha Innotech Corporation,  can be found in Xtrana's Definitive Proxy Statement
on Schedule 14A filed with the Securities and Exchange  Commission on August 12,
2005.

In connection  with the closing of the merger,  Haseeb Chaudhry was appointed as
the Chief Executive Officer of the Company and Darryl Ray, PhD, was appointed as
the President,  Chief Operating Officer and Acting Chief Financial  Officer.  In
addition,  in connection with the closing of the merger, the following directors
were  appointed as members of the Board of Directors:  Haseeb  Chaudhry,  Darryl
Ray, PhD, Nagesh Mahtre,





PhD,  and William  Snider,  in addition to two  continuing  directors of Xtrana,
Michael D. Bick, Ph.D. and James H. Chamberlain.

"We are very pleased with the results of the vote," stated Darryl Ray, President
of the  combined  company.  "We believe the merger will provide  Alpha  Innotech
access  to  additional  resources  needed  to  implement  our  plans to grow our
business  through the  introduction of innovative  products for the life science
and drug discovery markets."

REVERSE STOCK SPLIT AND NAME CHANGE

In connection with the merger,  Xtrana  shareholders also approved a one-for-ten
reverse  stock split and a proposal to change the name of the  corporation  from
Xtrana,  Inc. to Alpha  Innotech  Corp.  The reverse stock split and name change
were effective yesterday pursuant to a Certificate of Amendment to the Company's
Certificate of Incorporation filed with the Delaware Secretary of State.

The post-reverse-stock-split common stock of the Company is anticipated to start
trading  on the NASD  Over-the-Counter  Bulletin  Board  under  the  name  Alpha
Innotech Corp. on October 6, 2005.

FORWARD-LOOKING STATEMENTS

This press release contains forward-looking  statements (identified by the words
"estimate,"  "anticipate," "expect," "believe," and similar expressions),  which
are based upon management's  current  expectations and speak only as of the date
made. These forward-looking  statements are subject to risks,  uncertainties and
factors that could cause actual  results to differ  materially  from the results
anticipated in the forward-looking  statements and include,  but are not limited
to, the timing of the introduction and success of new products by Alpha Innotech
Corporation,  Alpha Innotech  Corporation's  growth prospects,  as well as other
factors  discussed in Xtrana's  latest SEC Reports on Form 8-K,  Form 10-KSB and
Forms 10-QSB.

CONTACT:

Darryl Ray
President
Alpha Innotech Corporation
(510) 483-9620
Dray@aicemail.com