Abstract: Optically active nipecotamide can be produced by a method for producing optically active nipecotamide comprising: a step of reacting nipecotamide with optically active lactic acid to prepare a mixture of diastereomer salts and then allowing one diastereomer salt in the mixture of the diastereomer salts to precipitate; a step of collecting the precipitated diastereomer salt; and, a step of treating the collected diastereomer salt with a base to cause optically active nipecotamide to release.

Abstract: The present invention provides a process for producing 2?-(1H-tetrazol-5-yl)biphenyl-4-carbaldehyde which comprises reacting 2?-cyanobiphenyl-4-carbaldehyde with a salt of azide; a process for producing a highly pure crystal of 2?-(1H-tetrazol-5-yl)biphenyl-4-carbaldehyde which comprises reacting 2?-cyanobiphenyl-4-carbaldehyde with a salt of azide, obtaining a crystal of 2?-(1H-tetrazol-5-yl)biphenyl-4-carbaldehyde, dissolving said crystal obtained and recrystallizing a highly pure crystal in tetrahydrofuran; and the like. According to the present process, 2?-(1H-tetrazol-5-yl)biphenyl-4-carbaldehyde which is useful as a synthetic intermediate of medicines can be produced in a short process at high yield and high purity.

Abstract: The present invention provides a sate and excellent antiallergic composition, and more particularly a preventive and therapeutic composition for atopic dermatitis, including an antiallergic composition blended with stachyose as an effective ingredient, and a medicine, food and beverage containing the composition.

Abstract: A high pass filter is disposed to an output part of a gain control amplifier. A gain control signal change detector detects a change of a gain control signal from the gain control amplifier. Upon detection of a change of the gain control signal, a counter and a clock generator generate a cancel pulse which has a certain width, and using the cancel pulse, a first switch cuts an AC signal which is fed to the gain control amplifier. Further, using the same cancel pulse, a second switch reduces the time constant of the high pass filter. Through this operation, a transient response of a DC offset is eliminated.

Abstract: The present invention provides a sate and excellent antiallergic composition, and more particularly a preventive and therapeutic composition for atopic dermatitis, including an antiallergic composition blended with stachyose as an effective ingredient, and a medicine, food and beverage containing the composition.

Abstract: A high pass filter is disposed to an output part of a gain control amplifier. A gain control signal change detector detects a change of a gain control signal from the gain control amplifier. Upon detection of a change of the gain control signal, a counter and a clock generator generate a cancel pulse which has a certain width, and using the cancel pulse, a first switch cuts an AC signal which is fed to the gain control amplifier. Further, using the same cancel pulse, a second switch reduces the time constant of the high pass filter. Through this operation, a transient response of a DC offset is eliminated.

Abstract: The present invention provides a safe and excellent antiallergic composition, and more particularly a preventive and therapeutic composition for atopic dermatitis, including an antiallergic composition blended with stachyose as an effective ingredient, and a medicine, food and beverage containing the composition.

Abstract: A gold complex prepared through allowing a gold hydroxide salt to react with a hydantoin-based compound in an aqueous solution at a temperature between 30° C. to 80° C. in order to coordinate the hydantoin-based compound to gold ions. It is preferable that the reaction ratio of the gold hydroxide salt to the hydantoin-based compound is 1:2 to 1:4 in mole ratio.

Abstract: A CF card casing structure includes at least a cover plate having a metal sheet surrounded by and fixed to an insert-molded frame, a counter cover plate of metal sheet and a receptacle connector. The insert-molded frame has catch slots made therein; and the counter cover plate has serrated latch pieces integrally connected thereto. Each latch piece is adapted to be inserted into a corresponding catch slot for detachably fastening the cover plate to the counter cover plate, thereby providing an integral assembly.

Abstract: Disclosed is an improvement in a CF card casing structure comprising at least a cover plate having a metal sheet surrounded by and fixed to an insert-molded frame, a counter cover plate of metal sheet and a receptacle connector. The insert-molded frame has catch slots made therein; and the counter cover plate has serrated latch pieces integrally connected thereto. Each latch piece is adapted to be inserted into a corresponding catch slot for detachably fastening the cover plate to the counter cover plate, thereby providing an integral assembly.

Abstract: The present invention provides monoclonal antibodies suitable for monitoring polycyclic aromatic hydrocarbons (PAHs) by an immunoasay, hybridoma cell lines producing said antibodies, and an immunoassay for analyzing PAHs in a sample using said monoclonal antibodies. In addition, the present invention provides PAH conjugates useful as an immunogen in preparing said antibodies and as a standard substance in a competitive assay.

Abstract: An alkali metal- or alkali earth metal-containing organic compound (i) is reacted with a leaving group- and silicon- or germanium-containing compound (ii) in the presence of a nitrogen-containing aromatic heterocyclic compound. By such a method, it is possible to produce a silicon- or germanium-containing organic compound, for example, a cyclopentadienyl compound cross-linked by a silicon atom or a germanium atom, typically a cyclopentadienyl compound which is substituted with a substituted or unsubstituted silyl or germyl group, for a short time with a high yield.

Abstract: A facsimile machine for transmitting an image. The facsimile machine includes: an endless-belt shape writing member on which the image is to be written; a writing frame for exposing a portion of said writing member to outside of the facsimile machine; a conveyer for conveying the image holding member for at least a size of the writing frame at one time; an optical reader for reading the image on the image holding member at the writing frame portion in which the reading generates image signals corresponding the image; a transmitting circuit for transmitting the image signals to a transmission address; and a receiving circuit for receiving information signals from other facsimile machine.