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469results about How to "Increased mortality" patented technology

Apparatus and method for non-invasive and minimally-invasive sensing of venous oxygen saturation and pH levels

Medical diagnostic apparatus and methods are disclosed. Ultrasound radiation pressure selectively modulates a target area within a body. One or more pulses of radiation containing temporally correlated groups of photons are generated. The photons are characterized by two or more different wavelengths that are selected to have specific interaction with a target chromophore. The two or more different wavelengths are also selected to have substantially similar scattering cross-sections and anisotropy parameters in the target and its surroundings. The pulses of radiation are injected into the body proximate the target area being modulated by the radiation pressure field. Photon groups at each of the different wavelengths that are backscattered from the target area are detected in temporal coincidence. Time-gated background-free amplification of the return signal is used to exclude photons which could not by virtue of their arrival time have interacted with the radiation-pressure-modulated target. Photon groups are selected with a modulation component at the modulation frequency of the radiation pressure modulation field, or at a harmonic of the modulation frequency. From the arrival rate of the detected temporally correlated photon pairs or multiplets, chemical information about the target area, such as an oxygenation or pH level can be inferred. Cardiac output may be computed from measurements of venous and / or arterial oxygenation using this technique.
Owner:SKYLINE BIOMEDICAL

Compound crucian feed and preparation method thereof

The invention provides a compound crucian feed and a preparation method thereof. The compound crucian feed can solve a series of problems that the traditionally bred crucian grows fast in the early and middle periods, but the subsequent growth is slow, the death rate rises, the anti-stress ability is reduced and the like because hepatobiliary syndrome frequently occurs in the middle and later periods. The compound feed comprises the following formula in percentage by weight: 5-20% of imported fish meal, 10-30% of soybean meal, 10-20% of rapeseed meal, 10-15% of cottonseed meal, 10-20% of wheat, 2-3% of fish oil, 5-15% of maize germ cake, 5-15% of DDGS(distillers dried grains with soluble), 5-10% of full-fat rice bran, 1.0-2.0% of calcium biphosphate, 0.1-0.3% of salt, 0.1-0.3% of choline chloride, 0.05-0.15% of microecologics for fish, 0.01-0.02% of plant extracts, 0.02-0.04% of bile acid, 0.05-0.1% of hepatobiliary protecting agent, 0.1-0.3% of multivitamin for fish, 0.1-0.3% of multi-mineral for fish, 0.015-0.030% of vitamin E and 0.04-0.08% of 35% vitamin C phosphate. All the raw materials are finely ground, 95% of the ground raw materials pass through a 40-mesh standard sieve,the sieved raw materials are granulated at 95 DEG C, and the degree of gelatinization reaches 95%. The compound crucian feed can meet the requirements of crucian bred in the middle and later periods for nutrition, and can effectively prevent the occurrence of hepatobiliary syndrome and achieve the health protection purpose.
Owner:SHANDONG NEW HOPE LIUHE GROUP

Medical sampling-detection integrated device

The invention discloses a medical sampling-detection integrated device. The device comprises a sampling rod and a shell; the shell comprises a test paper containing chamber and a diluent chamber; a liquid outlet is arranged at the bottom of the diluent chamber, and a hole plugging matter is arranged on the liquid outlet; the sampling rod is connected with a plunger, and the plunger is arranged inthe diluent chamber; two ends of the sampling rod are an A end and a B end; the B end of the sampling rod is pushed so that the sampling rod can be propelled to the A end of the sampling rod in the diluent chamber along the plunger to open the hole plugging matter at the liquid outlet; the device disclosed by the invention is simple in structure; the structure can realize the sampling, diluting and detection of the excrement, the collection, the diluting, the uniform mixing, the sampling injection and the detection of the excrement sample can be integrated; the ordinary being can screen the intestinal cancer and gastric cancer high-risk people at home, and the social meaning is of great significance; the device is ingenious in structure and convenient to use; and the structure further guarantees the leakproofness of the diluent pre-filled in a liquid bottle.
Owner:JIANGSU GEMKEEPER BIOTECH CO LTD

Composite photocatalytic antibacterial material and preparation method thereof

The invention discloses a composite photocatalytic antibacterial material and a preparation method thereof; particularly, a ytterbium-erbium co-doped sodium yttrium fluoride (NaYF4:Yb,Er) and manganese-doped zinc oxide are combined to prepare the photocatalytic antibacterial material driven by visible/near-infrared light. The preparation method comprises the steps: together dissolving sodium chloride, yttrium acetate, ytterbium acetate, erbium acetate and ammonium fluoride in an ethylene glycol/water mixed solvent, and carrying out a microwave assisted solvothermal reaction to obtain NaYF4:Yb,Er spherical nanoparticles; dispersing the NaYF4:Yb,Er in an isopropanol/water/ammonia water mixed solvent, adding tetraethyl orthosilicate, and carrying out hydrolysis for 5 h, to obtain an NaYF4:Yb,Er@SiO2 core-shell structure; and carrying out ultrasonic dispersion of the NaYF4:Yb,Er@SiO2 in diethylene glycol, adding a zinc salt and a manganese salt, carrying out a heating reflux reaction at the temperature of 180 DEG C for 1-6 h, then washing, drying, and calcining for 2 h at the temperature of 500 DEG C to obtain the product. The material can convert the visible/near-infrared light into UV/visible light, manganese-doped zinc oxide absorbs the UV/visible light to produce electrons-holes, and the electrons-holes act on the environment to produce free radicals to participate in a sterilization process, and the material can be used in the field of photodynamic therapy.
Owner:ZHEJIANG NORMAL UNIVERSITY
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