Abstract:
The device for storing, mixing, and dispensing components is provided with means for mixing (6) a first component (27) with a second, liquid component (28) and for dispensing the mixed materials. The individual components (27, 28) are stored in respective containers (2, 3) that are arranged side by side, and a valve assembly (8) is arranged in the transfer area (7) between the outlet area (26) of the container (3) for storing the second, liquid component (28) and the liquid inlet (25) of the container (2) for storing the first component (27). Such a device allows an unproblematic storage of the different components without a local separation of the containers and an efficient mix thereof. This applies especially if the first component is a powder or a granular or porous substance, e.g. bone cement or bone replacement material.
Abstract:
The present invention relates to a high pressure homogenizing apparatus and a method thereof for finely dividing a fine solid material or fibrous cellulose of chemical, medical, and resin products in a suspension as a dispersion or emulsification, or finely dividing by crushing cell membranes of fungi with high efficiency. The apparatus of the present invention is free from damage of valves so that its maintenance and control become easy. The high pressure homogenizing apparatus to finely divide a raw material in the suspension includes a high pressure homogenizing device having an orifice, a raw material receiving passage connected to the high pressure homogenizing device, a processing piston, and a processing recess disposed in a receiver. A front end of the processing piston is inserted into the processing recess with a pressure intensifier and a volume compression inside the processing recess pressurizes the suspension in the processing recess to lead the suspension into the raw material receiving passage for finely dividing the raw material.
Abstract:
A mixing apparatus that includes a drop on demand fluid dispenser for adding an additive fluid to a receiver liquid to produce a composite liquid that includes the receiver liquid and the additive fluid.
Abstract:
An injection spraying system for mixing additives in controlled amounts to water for spraying, which improves handling and calibrating of the concentration of the mixture. The system includes a water tank, mixing globe, pump device, unloader chamber and a worm reduction element for reducing pumping of one gallon of water into one revolution of a drive shaft. The shaft extends through a clutch device and a plurality of injection chambers. The injection chambers supply and meter the amount of additives injected. Rotation of the shaft through the injection chambers loads a set amount of additives for suction into a mixing globe. The unloader chamber controls the spraying cycle and by-pass cycle of fluid flow through the system. The present invention provides a versatile injection spraying system for multiple tasks. The types and amounts of additives sprayed can be easily adjusted without requiring adjustments to sensitive metering or measuring devices.
Abstract:
The present invention provides a compound and a method of making a compound according to the following formula: where R1 is an alkyl group having 1 to 12 carbons; R2 is a urea group; R3 is an active group, such as fluorescein, a toxin, radiolabel or drug; and R4, R5 and R6 are each independently a halide group.
Abstract translation:本发明提供一种化合物及其制备方法,其中R 1为具有1至12个碳原子的烷基; R 2是尿素基团; R 3 3是活性基团,例如荧光素,毒素,放射性标记物或药物; 和R 4,R 5和R 6各自独立地为卤素基团。
Abstract:
This invention relates to methods and apparatus for performing microanalytic and microsynthetic analyses and procedures. The invention provides a microsystem platform and a micromanipulation device for manipulating the platform that utilizes the centripetal force resulting from rotation of the platform to motivate fluid movement through microchannels. The invention specifically provides devices and methods for performing miniaturized in vitro amplification assays such as the polymerase chain reaction. Methods specific for the apparatus of the invention for performing PCR are provided.
Abstract:
The invention relates to methods and devices for detecting the presence of a particle of interest (hereinafter an analyte particle) in a fluid. A detection device exemplary of the present invention filters a sample of the fluid to remove particles larger than the analyte particles. A reagent solution, containing reagent particles smaller than the analyte particles, is then added to the sample. The reagent particles will react with the analyte particles, if any are present, to form reagent-analyte complexes which are larger than the analyte particles. The sample is then filtered a second time to remove particles the same size as or smaller than the analyte particles. The sample is then tested for the presence of reagent-analyte complexes to detect the presence of the analyte particle in the fluid.
Abstract:
The invention relates to a microfabricated device for the rapid detection of DNA, proteins or other molecules associated with a particular disease. The devices and methods of the invention can be used for the simultaneous diagnosis of multiple diseases by detecting molecules (e.g. amounts of molecules), such as polynucleotides (e.g., DNA) or proteins (e.g., antibodies), by measuring the signal of a detectable reporter associated with hybridized polynucleotides or antigen/antibody complex. In the microfabricated device according to the invention, detection of the presence of molecules (i.e., polynucleotides, proteins, or antigen/antibody complexes) are correlated to a hybridization signal from an optically-detectable (e.g. fluorescent) reporter associated with the bound molecules. These hybridization signals can be detected by any suitable means, for example optical, and can be stored for example in a computer as a representation of the presence of a particular gene. Hybridization probes can be immobilized on a substrate that forms part of or is exposed to a channel or channels of the device that form a closed loop, for circulation of sample to actively contact complementary probes. Universal chips according to the invention can be fabricated not only with DNA but also with other molecules such as RNA, proteins, peptide nucleic acid (PNA) and polyamide molecules.
Abstract:
This invention provides methods and apparatus for performing microanalytic analyses and procedures, particularly miniaturized cell based assays. These methods are useful for performing a variety of cell-based assays, including drug candidate screening, life sciences research, and clinical and molecular diagnostics.
Abstract:
The invention relates to the processing, in a closed mixer (1), of polymer-based mixtures and compounds for the manufacture of tyres or components thereof. To improve the dispersion of the ingredients in the polymer base, the pressing ram (8) is lowered to the working condition controlling the position thereof over time, in order to compress the ingredients within the mixing chamber (4). The invention is particularly suitable for the dispersion of reinforcing fillers such as silica or carbon black in the polymer base and the incorporation of said fillers in the latter.