摘要:
An optical recording medium is prepared by the use of spiropyrane whose molecular structure contains an alkyl chain having at least 10 more carbon atoms, and by the use of an LB film method or a spin coating method. This recording medium is of a structure wherein when irradiated with the UV, the spiropyrane is photo-isomerized to photomerocyane and, thereafter, when subsequently heated at 35.degree. to 40.degree. C. for 15 minutes, a J-aggregate of the photomerocyane is formed in very stabilized form. When the recording medium is irradiated with light of wavelength of visible spectrum, the color is bleached with the information consequently recorded. The optical recording medium herein disclosed is rewritable and can retain the recorded information for 5,000 hours or more.
摘要:
An optical recording medium comprising a substrate and an information recording layer which consists of monolayer assemblies comprising a photochromic compound of which is based on cis-trans isomerization such as an amphipathic derivative of azobenzene, indigo or thioindigo having a long chain substituent, which monolayers are formed on the substrate by the Langmuir-Blodgett method and oriented in a two-dimensional plain. When the recording medium is irradiated by light, light absorption spectrum of the recording layer changes so that information is recorded. Since the photochromic compound is oriented in a monolayer, its photochromism lasts long.
摘要:
An optical recording medium which comprises a substrate and a recording layer of at least two J-aggregates of dyes formed on the substrate is described. The dyes may be photochromic dyes or other types of dyes capable of forming the aggregates which have narrower absorption spectral ranges than original dyes. A plurality of information bits can be written in the recording layer by irradiation of one laser beam spot. The recording layer is formed by an LB film method or a method capable of fluidizing a dye solution in a direction horizontal to the substrate surface. A recording method using the medium is also described.
摘要:
A optical recording medium which comprises a substrate and a recording layer of at least two J-aggregates of dyes formed on the substrate is described. The dyes may be photochromic dyes or other types of dyes capable of forming the aggregates which have narrower absorption spectral ranges than original dyes. A plurality of information bits can be written in the recording layer by irradiation of one laser beam spot. The recording layer is formed by an LB film method or a method capable of fluidizing a dye solution in a direction horizontal to the substrate surface. A recording method using the medium is also described.
摘要:
The invention is intended for making it possible for the user to get appropriate advice not only based on biological information, but also considering the situation of health care to be taken by the user as for article intake.Food information of food ingredients, food-contained calories, etc., described on a package, etc., of food incepted by the user is input to a patient terminal 4 through food information input means 3 for inputting the food information and the food information is transmitted to a server 1 via a communication line 2.
摘要:
The present invention provides a highly sensitive dye-labeled and polymerized antibody that can detect a target substance even when the target substance has a low concentration. The dye-labeled and polymerized antibody of the present invention comprises a polymerized antibody, which has been polymerized with a polyfunctional reagent, and a cyanine dye for labeling the polymerized antibody represented by the formula (1) given below: where R1 and R2 denote hydrogen or an alkyl group, X denotes a halogen, M denotes hydrogen or an alkali metal, and n represents an integer in a range of 1 to 4.
摘要:
A labelling color for detecting cocaine of Formula (I) ##STR1## wherein X represents a halogen, and a method of detecting methamphetamine, including the steps of adding a labelling color of Formula (II) ##STR2## wherein X represents an anion to a first solution of methamphetamine antibody to form a labelling color-methamphetamine antibody complex, measuring the fluorescence of the first solution, adding a sample containing an unknown amount of methamphetamine to the first solution to form a second solution, measuring the fluorescence of the second solution, and correlating any change in the fluorescence between the first and second solutions to the concentration of methamphetamine in the sample.
摘要:
A communication system for information of medical doctor's questions to patients includes a terminal apparatus for medical doctor, a terminal apparatus for patient, and a database server apparatus for storing question sets for medical doctor's questions to patients, which are connected through a communication network. The terminal apparatus for patient generates question programs for making inquiries about medical doctor's questions to patients in accordance with the question sets received from the database server apparatus, displays the questions for medical doctor's questions to patients by execution of the generated question programs, enters answer data to the displayed questions, transmits the entered answer data to the database server apparatus, and stores the transmitted answer data in the database server apparatus. The terminal apparatus for medical doctor receives the stored answer data by accessing the database server apparatus, and displays the received answer data thereon.
摘要:
A fluorescence polarization method for analyzing an assay-object in a sample is provided. The fluorescence polarization method includes the steps of: (a) providing a fluorescent-labeled protein in which a protein is covalently bound to a fluorochrome(s), wherein the protein is capable of specifically binding to the assay-object; (b) allowing the fluorescent-labeled protein to bind to the assay-object; and (c) measuring a change in the degree of fluorescence polarization which has taken place in the fluorescent-labeled protein by its binding to the assay-object.
摘要:
A method for preparing a cocaine-protein conjugate easily by using a cocaine derivative having a methoxy carbonyl group and benzoyl group. This conjugate is useful for the detection of cocaine or cocaine derivatives. A monoclonal antibody, a monoclonal antibody producing cell line, and a method for producing the monoclonal antibody producing cell line by using the above cocaine-protein conjugate as an immunogen is also described. The method of the invention comprises preparing a cocaine-protein conjugate with a pyridyl dithiococaine derivative of Formula (I): where R is either H or R′; and where R′ is: wherein n=1 to 4 and Ph is a benzene ring, and wherein said monoclonal antibody detects 10−9 M cocaine; and which derivative binds to a protein by a disulfide bond; immunizing A/J mouse with the conjugate; fusing its spleen cell and a myeloma cell line; cloning the fusion to produce a monoclonal antibody producing cell line; culturing the cell line, and purifying a supernatant of the culture to form a monoclonal antibody to specifically bind to cocaine or cocaine derivatives.