Abstract: An integration system comprising a biological image acquiring device which acquires, from a sample including biological particles which are a detection target, a biological image which is an image of the biological particles; a nucleotide sequence information acquiring device which acquires nucleotide sequence information of the biological particles; and an integration device which associates and registers the biological image and the nucleotide sequence information acquired from the same type of biological particles in an integrated database.

Abstract: The present invention provides means with which bile acids, phenols, indoles and organic acids contained in a sample can be stably preserved without cryopreservation of the sample. A sample preservation solution of the present invention is a sample preservation solution used for analyzing at least one component selected from the group consisting of bile acids, phenols, indoles and organic acids contained in a biological or environmental sample, containing at least the following (A) and (B): (A) condensed phosphate or polyoxyethylene sorbitan alkylate; and (B) guanidinium thiocyanate, Tris-HCl (pH 7 to 9), and EDTA.

Abstract: It is an object to provide a simplified early diagnosis method for breast cancer, wherein a sample collected from a human subject is analyzed and determination of the presence or absence of breast cancer is made from the proportion of plural types of polyamines including N1-acetylspermidine.