Ammonium Acetate Precipitation Protocol
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Methods and Reagents for Preserving RNA in Cell and Tissue Samples
(19) & (11) EP 1 657 313 B1 (12) EUROPEAN PATENT SPECIFICATION (45) Date of publication and mention (51) Int Cl.: of the grant of the patent: C12Q 1/68 (2006.01) C12N 1/04 (2006.01) 05.05.2010 Bulletin 2010/18 C12N 15/10 (2006.01) (21) Application number: 06000216.9 (22) Date of filing: 30.07.1999 (54) Methods and reagents for preserving RNA in cell and tissue samples Methoden und Reagenzien zur Erhaltung der RNA in Zellen und Geweben Procédés et reactifs permettant de preserver l’ARN dans des prélèvements cellulaires et tissulaires (84) Designated Contracting States: (56) References cited: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU EP-A- 0 707 061 MC NL PT SE • DIMULESCU ET AL: "Characterization of RNA in (30) Priority: 31.07.1998 US 127435 cytologic samples preserved in a methanol- based collection solution" MOLECULAR (43) Date of publication of application: DIAGNOSIS, NAPERVILLE, IL, US, vol. 3, no. 2, 17.05.2006 Bulletin 2006/20 June 1998 (1998-06), pages 67-72, XP005235341 ISSN: 1084-8592 (62) Document number(s) of the earlier application(s) in • FOSS R D ET AL: "Effects of Fixative and Fixation accordance with Art. 76 EPC: Time on the Extraction and Polymerase Chain 99940837.0 / 1 019 545 Reaction Amplification of RNA From Paraffin- embedded Tissue Comparison of Two (73) Proprietor: Ambion, Inc. Housekeeping Gene mRNA Controls" Austin, TX 78704 (US) DIAGNOSTIC MOLECULAR PATHOLOGY,US, NEW YORK, NY, vol. 3, no. 3, 1994, page 148-155, (72) Inventor: Lader, Eric S. -
Ammonium Acetate
Right to Know Hazardous Substance Fact Sheet Common Name: AMMONIUM ACETATE Synonyms: None CAS Number: 631-61-8 Chemical Name: Acetic Acid, Ammonium Salt RTK Substance Number: 0085 Date: April 2002 Revision: March 2011 DOT Number: UN 9079 Description and Use EMERGENCY RESPONDERS >>>> SEE LAST PAGE Ammonium Acetate is a white, crystalline (sand-like) solid Hazard Summary with a slight vinegar-like odor. It is used in chemical analysis, Hazard Rating NJDOH NFPA textile dyeing, and preserving meats. HEALTH 2 - FLAMMABILITY 1 - REACTIVITY 0 - POISONOUS GASES ARE PRODUCED IN FIRE Reasons for Citation f Ammonium Acetate is on the Right to Know Hazardous Hazard Rating Key: 0=minimal; 1=slight; 2=moderate; 3=serious; 4=severe Substance List because it is cited by DOT and IRIS. f Ammonium Acetate can affect you when inhaled. f Contact can irritate and burn the skin and eyes. f Inhaling Ammonium Acetate can irritate the nose, throat and lungs causing coughing, wheezing and/or shortness of breath. SEE GLOSSARY ON PAGE 5. FIRST AID Eye Contact Workplace Exposure Limits f Immediately flush with large amounts of water for at least 30 No occupational exposure limits have been established for minutes, lifting upper and lower lids. Remove contact Ammonium Acetate. However, it may pose a health risk. lenses, if worn, while flushing. Seek medical attention. Always follow safe work practices. Skin Contact f Quickly remove contaminated clothing. Immediately wash contaminated skin with large amounts of water. Inhalation f Remove the person from exposure. f Begin rescue breathing (using universal precautions) if breathing has stopped and CPR if heart action has stopped. -