Abstract: An integrated reactor shield structure includes radially adjacent layers. Each layer includes radially extending walls defining cells and a sheet surrounding the radially extending walls. Biologic shielding material is disposed in each of the cells. Integrated pressure vessel structures are also disclosed.

Abstract: An instrument for collecting tissue from a body cavity includes a hollow tubular body having a tubular wall. The hollow tubular body can collect material from a body cavity in a coring mode or an aspiration mode. The tubular wall defines a passage that extends from a proximal end portion of the tubular body to a distal end portion of the tubular body. A middle section of the tubular body includes an articulating section that allows the middle section to articulate relative to the proximal end portion. The distal end portion includes at least one suction port extending from an outer wall surface to an inner wall surface of the tubular wall. The suction port provides a path of fluid communication between the outer wall surface and the passage for drawing in tissue from a body cavity when the tubular body is connected to a source of negative pressure.

Abstract: A hands free magnification device is provided that is capable of illuminating an area adjacent the user. A method of use of the device is also provided.

Abstract: A hands free magnification device is provided that is capable of illuminating an area adjacent the user. A method of use of the device is also provided.

Abstract: A vehicle installed monitoring system which allows a driver of a bus or a like vehicle to observe an area outside the vehicle and around the vehicle door. The vehicle installed monitoring system comprises a video camera mounted on the vehicle and connected to a monitor disposed near the driver. The video camera is mounted so as to view the area surrounding the vehicle door, and includes an attached microphone which transmits noises around the area to the monitor. The monitor includes a video display and a loudspeaker to allow the driver to audio-visually monitor the area surrounding the vehicle door. The monitor also includes a reminder device, a flashing light in this case, which attracts the driver's attention and reminds the driver to inspect the monitor and verify that the area around the door is clear before driving off. The camera, microphone and monitor are activated when the driver opens the vehicle door.

Abstract: Water soluble fluors useful in enhancing images obtained in autoradiography have the general formula:[F].sub.x [B].sub.y [S].sub.zF is a moiety which acts as a fluor, e.g., a dehydro derivative of a compound which is a fluor; preferred examples include 4-(2,5-diphenyloxazolyl), 1-napththylmethyl, 2-napththyl, and 4-[5-(2-phenyloxazolyl)]phenyl. S is a surfactant moiety which makes the molecule hydrophilic, e.g., dehydro derivatives of surfactants; preferred examples include polyethylene glycol derivatives, sulfonic acids or salts thereof, aryl sulfonates amines and quaternary ammonium compounds. B is a binding moiety which chemically binds the fluor moiety F with the surfactant S, and may be a chemical bond, or a disubstituted moiety such as an alkylene, e.g., methylene group. The variables x, y and z are integers which can generally vary from 1 to 10.

Abstract: Water soluble fluors useful in enhancing images obtained in autoradiography have the general formula:[F].sub.x [B].sub.y [S].sub.zF is a moiety which acts as a fluor, e.g., a dehydro derivative of a compound which is a fluor; preferred examples include 4-(2,5-diphenyloxazolyl), 1-naphthylmethyl, 2-naphthyl, and 4-[5-(2-phenyloxazolyl)]phenyl. S is a surfactant moiety which makes the molecule hydrophilic, e.g., dehydro derivatives of surfactants; preferred examples include polyethylene glycol derivatives, sulfonic acids or salts thereof, aryl sulfonates, amines and quaternary ammonium compounds. B is a binding moiety which chemically binds the fluor moiety F with the surfactant S, and may be a chemical bond, or a disubstituted moiety such as an alkylene, e.g., methylene group. The variables x, y and z are integers which can generally vary from 1 to 10.

Abstract: A method of stabilizing a solution of a radiolabeled compound comprising adding to such solution a compound having a substantially insoluble backbone, to which has been bound a quaternary ammonium group; or a water soluble primary, secondary or tertiary aliphatic amine. The present invention also includes a solution of a radiolabeled compound maintained in contact with such a compound, and as an article of manufacture, a sealed vial containing such a solution.

Abstract: A liquid organic scintillation cocktail which is readily converted to a solid for disposal after use. Also disclosed are a method of disposal of radwaste employing the cocktail and a kit useful for practicing the method.

Abstract: A method and kit for stabilizing solutions of radiolabelled compound by the use of insoluble quaternary ammonium containing compounds. Also described are novel insoluble compounds having quaternary ammonium and sulfide groups for use in the present invention.