Abstract: An object is to provide a method of manufacturing a vessel for embryoid body formation excellent in formability of an embryoid body and suitable for optical observation.

Abstract: Provided is an ophthalmic solution of which preservative component, hexamethylene biguanide, contained therein is inhibited from being adsorbed on soft contact lenses and eye droppers. The ophthalmic solution contains, at a specific ratio, (A) hydroxypropyl methylcellulose having 28.0 to 30.0 mass % methoxy groups and 7.0 to 12.0 mass % hydroxypropoxy groups, both with respect to the total amount of the hydroxypropyl methylcellulose, at a methoxy group/hydroxypropoxy group ratio of 2.5 to 4.0 by mass, wherein a 2 mass % aqueous solution of the hydroxypropyl methylcellulose at 20° C. has a viscosity of 50 to 4000 mPa·s; (B) sodium chloride or potassium chloride; (C) hexamethylene biguanide or a salt thereof; (D) 2-methacryloyloxyethyl phosphorylcholine/butyl methacrylate copolymer; and (E) water.

Abstract: Provided is a lubricity-imparting agent that can impart durable lubricity (in particular, lubricity at the time of wetting) to a substrate. It has been found that a lubricity-imparting agent including a copolymer containing a constitutional unit (A) based on 2-methacryloyloxyethyl phosphorylcholine and a constitutional unit (B) based on a photoreactive functional group-containing monomer, or a copolymer containing a constitutional unit (A) based on 2-methacryloyloxyethyl phosphorylcholine, a constitutional unit (B) based on a photoreactive functional group-containing monomer, and a constitutional unit (C) based on a hydrophobic group-containing monomer can impart durable lubricity to a substrate surface through a simple approach called photoirradiation.

Abstract: Provided are a copolymer having biocompatibility sufficient for use in medical material applications, and a method of forming a crosslinked body, the method including imparting biocompatibility to a substrate surface through the use of the copolymer. More specifically, a protein adsorption-suppressing effect and a cell adhesion-suppressing effect, which are features of a phosphorylcholine group, are imparted to the substrate surface. It has been found that a copolymer containing a phosphorylcholine constitutional unit and a photoreactive constitutional unit, or a copolymer containing a phosphorylcholine constitutional unit, a photoreactive constitutional unit, and a hydrophobic constitutional unit can impart a protein adsorption-suppressing effect and a cell adhesion-suppressing effect to a substrate surface through a simple approach called photoirradiation.

Abstract: A substrate steel of the comprising from 0.01 to 0.60 wt. % of La, from 0.0 to 0.65 wt. % of Ce; from 0.06 to 1.8 wt. % of Nb up to 2.5 wt. % of one or more trace elements and carbon and silicon may be treated in an oxidizing atmosphere to product a coke resistant surface coating of MnCr2O4 having a thickness up to 5 microns.

Abstract: An electrical connector includes a tubular housing having a partition wall extending in a direction perpendicular to a longitudinal direction of the tubular housing and a bus bar embedded in the partition wall of the housing in a state of penetrating the partition wall in the longitudinal direction. The partition wall is located at a substantially center in the longitudinal direction. A through hole is formed at a position of the bus bar at which the bus bar is embedded in the partition wall. A part of the partition wall is filled in the through hole. A range of the partition wall away from the position at which the bus bar is embedded in the partition wall has a thinned part.

Abstract: A connector includes a first housing housing a plurality of first terminals, a second housing being fittable to the first housing and housing a plurality of second terminals connectable to the respective first terminals, a short-circuiting terminal housed in the first housing and having contact pieces contacting the respective first terminals which are adjacent to each other, and a release portion provided on the second housing and displacing the contact pieces to release contact between the first terminals and the contact pieces. The second housing is deflectably provided with a lock arm on an outer peripheral surface of the second housing, the lock arm holding a state in which the first housing and the second housing are fit together. The release portion is arranged on the outer peripheral surface of the second housing forward of the lock arm in a fitting direction of the first housing and the second housing.

Abstract: An electrical connector includes a tubular housing having a partition wall extending in a direction perpendicular to a longitudinal direction of the tubular housing and a bus bar embedded in the partition wall of the housing in a state of penetrating the partition wall in the longitudinal direction. The partition wall is located at a substantially center in the longitudinal direction. A through hole is formed at a position of the bus bar at which the bus bar is embedded in the partition wall. A part of the partition wall is filled in the through hole. A range of the partition wall away from the position at which the bus bar is embedded in the partition wall has a thinned part.

Abstract: A connector includes a first housing accommodating first terminals, a second housing accommodating second terminals connectable to the first terminals and fittable to the first housing, short-circuit terminals accommodated in the first housing and each having a pair of contact pieces that respectively come in contact with corresponding first terminals adjacent to each other, releasing parts provided in the second housing and configured so as to displace the contact pieces, thereby releasing contacts between the first terminals and the contact pieces, tin plating films formed on respective contact surfaces of the first terminals and the contact pieces coming into contact with each other, and sliding parts provided in the second housing and positioned ahead of the releasing parts in a fitting direction between the first housing and the second housing to displace the contact pieces thereby allowing the contact pieces to slide on the first terminals.

Abstract: An engagement member mounted to a first housing with a fitting detection member located at a complete engagement position is located at a correct position with a terminal correctly housed in the first housing and is located at an incorrect position with the terminal incorrectly housed in the first housing. The engagement member located at the correct position does not interfere with the fitting detection member and allows a movement of the fitting detection member from the complete engagement position to a temporary engagement position. The engagement member located at the incorrect position interferes with the fitting detection member and prevents the movement of the fitting detection member from the complete engagement position to the temporary engagement position.

Abstract: A second locked part engaged with a second locking part releases a contact between detection protrustion and the second locking part located at a temporary engagement position at which the contact between the detection protrusion and the second locking part prevents a movement of a fitting detection member in a first direction and allows the fitting detection member to move in the first direction. A deflection regulator of the fitting detection member located at a complete engagement position at which a first locked part is engaged with a first locking part regulates a deflection amount of a fitting lock arm within a range in which an engagement between the second locking part and the second locked part is unreleasable while an engagement between the first locking part and the first locked part is releasable.

Abstract: A connector includes a first housing, a second housing, a short-circuiting terminal, and a release portion configured to release contact between the first terminals and the contact pieces. The contact piece includes a contact portion provided to be in contact with the first terminal, and a sliding protrusion protruding from the contact portion in a direction intersecting a fitting direction of the housings. The release portion includes a sliding slope sliding on the sliding protrusion to displace the contact piece, a support portion continuously provided with the sliding slope, the support portion coming into contact with the sliding protrusion and holding the contact piece is displaced in a state, and a contact housing portion arranged from the sliding slope and the support portion in a direction crossing a fitting direction of the first housing and the second housing, the contact housing portion housing the contact portion the fitted state.

Abstract: A connector includes a first connector constituent including a first terminal and a locking portion; a second connector constituent including a second terminal and a locked portion, and configured so that the second terminal is joined to the first terminal when the second connector constituent is installed in the first connector constituent; and a third connector constituent including a locked-portion holding portion configured to keep the locked portion locked to the locking portion when the third connector constituent is installed over the second connector constituent installed in the first connector constituent.

Abstract: An engagement member mounted to a first housing allows a movement of a fitting detection member from a complete engagement position to a temporary engagement position without interfering with the fitting detection member and prevents a movement of the fitting detection member in a second direction from the temporary engagement position by interfering with the fitting detection member.

Abstract: A connector includes a first housing having a first fitting part, a second housing having a second fitting part configured so as to be fittable to the first fitting part, a fitting detection member assembled to an outer circumference of the second housing so as to be movable between a temporary locking position and a primary locking position, an engaged part provided on the second fitting part, and an engaging part which is provided on the fitting detection member so as to be abuttable on the first fitting part and also engaged to the engaged part to hold the fitting detection member at the temporary locking position and the primary locking position to the second housing. The second fitting part and the engaging part are accommodated in the first fitting part.

Abstract: A connector includes a first housing housing a plurality of first terminals, a second housing being fittable to the first housing and housing a plurality of second terminals connectable to the respective first terminals, a short-circuiting terminal housed in the first housing and having contact pieces contacting the respective first terminals which are adjacent to each other, and a release portion provided on the second housing and displacing the contact pieces to release contact between the first terminals and the contact pieces. The second housing is deflectably provided with a lock arm on an outer peripheral surface of the second housing, the lock arm holding a state in which the first housing and the second housing are fit together. The release portion is arranged on the outer peripheral surface of the second housing forward of the lock arm in a fitting direction of the first housing and the second housing.

Abstract: A connector includes a first housing, a second housing, a short-circuiting terminal, and a release portion configured to release contact between the first terminals and the contact pieces. The contact piece includes a contact portion provided to be in contact with the first terminal, and a sliding protrusion protruding from the contact portion in a direction intersecting a fitting direction of the housings. The release portion includes a sliding slope sliding on the sliding protrusion to displace the contact piece, a support portion continuously provided with the sliding slope, the support portion coming into contact with the sliding protrusion and holding the contact piece is displaced in a state, and a contact housing portion arranged from the sliding slope and the support portion in a direction crossing a fitting direction of the first housing and the second housing, the contact housing portion housing the contact portion the fitted state.

Abstract: A connector includes a first housing accommodating first terminals, a second housing accommodating second terminals connectable to the first terminals and fittable to the first housing, short-circuit terminals accommodated in the first housing and each having a pair of contact pieces that respectively come in contact with corresponding first terminals adjacent to each other, releasing parts provided in the second housing and configured so as to displace the contact pieces, thereby releasing contacts between the first terminals and the contact pieces, tin plating films formed on respective contact surfaces of the first terminals and the contact pieces coming into contact with each other, and sliding parts provided in the second housing and positioned ahead of the releasing parts in a fitting direction between the first housing and the second housing to displace the contact pieces thereby allowing the contact pieces to slide on the first terminals.

Abstract: A connector includes a first housing having a first fitting part, a second housing having a second fitting part configured so as to be fittable to the first fitting part, a fitting detection member assembled to an outer circumference of the second housing so as to be movable between a temporary locking position and a primary locking position, an engaged part provided on the second fitting part, and an engaging part which is provided on the fitting detection member so as to be abuttable on the first fitting part and also engaged to the engaged part to hold the fitting detection member at the temporary locking position and the primary locking position to the second housing. The second fitting part and the engaging part are accommodated in the first fitting part.

Abstract: Provided is a novel method of suppressing non-specific protein adsorption. The above-mentioned object can be achieved by treating a solid phase with a solid phase-treating liquid containing a phosphorylcholine group-containing polymer as a main component, and treating a specimen with a specimen-treating liquid containing, as a main component, a polymer having a phosphorylcholine group, a hydroxy group, and a hydrophobic group, followed by addition of the treated specimen to the treated solid phase.