51 results about "Biological unit" patented technology

Tools and methods are provided for dissecting and/or removing biological units, such as hair follicles, from the body surface based on the images both above and below a body surface to reduce potential damage to the removed biological unit. The invention may be used in fully automated systems and also in a hand-held devices and systems. A system may produce a series of three-dimensional images of the body surface indicating follicular unit size, shape, position, and orientation both above and below the skin surface. The images may be utilized by an automated follicular unit harvesting tool, or maybe stored for later use. Imaging techniques include devices that sense light in the visible or infrared spectrums, optical coherence tomography, and ultrahigh frequency ultrasound.

Tools and methods are provided for removing biological units from a body surface utilizing a removal tool. The tools may incorporate retention members and mechanisms configured to impede movement of the biological unit in the direction of a distal end of the tool and to improve retention of the biological unit in the tool. Some of the retention members are stationary and some are movable within the lumen of the biological unit removal tools. The distal tips of the tools are desirably configured to reduce the chance of transection of a biological unit, such as by including both cutting segments and blunt relief segments. A number of dual concentric tube embodiments permit a division of removal functions. Distal fluid or gas delivery may supplement a vacuum in a luminal space to help extract biological units from surrounding tissue.

Tools and methods are provided for removing biological units from a body surface utilizing a removal tool. The tools may incorporate retention members and mechanisms configured to impede movement of the biological unit in the direction of a distal end of the tool and to improve retention of the biological unit in the tool. Some of the retention members are stationary and some are movable within the lumen of the biological unit removal tools. The distal tips of the tools are desirably configured to reduce the chance of transection of a biological unit, such as by including both cutting segments and blunt relief segments. A number of dual concentric tube embodiments permit a division of removal functions. Distal fluid or gas delivery may supplement a vacuum in a luminal space to help extract biological units from surrounding tissue.

The invention relates generally to the fields of making biological unit lysates or admixtures of body fluids and of RNA analysis. More specifically, it relates to direct methods for the detection of a specific sequence of RNA in a biological unit, for example a virus, cell or tissue sample, or a body fluid, for example saliva, sputum, blood plasma, etc. More generally, the invention may be used to enzymatically manipulate and protect the RNA in lysate or bodily fluids for a number of applications.

The invention is a method and device for collecting and processing a biological specimen for the analyses of nucleic acids. A device comprises a matrix to which cells and viruses adhere and a handle to manipulate the matrix. The devices are used to collect, dry, transport, store and process small amounts of blood or other tissue. The matrix of the device is transferred to a reaction tube and amplifying reagents added to it. Nucleic acid sequences and relative quantities are detected and analyzed from the same specimen. The relative amounts of amplified nucleic acid from one or more particular RNA sequences are compared to one another and to the amount of amplified nucleic acid from DNA sequences serving as an internal control for the number of biological units per specimen. The relative amounts of amplified viral sequences from suspected viruses in the biological specimen and from recombinant viral particles serving as a viral quantitation standard enable estimation of viral burden in a given quantity of specimen.

The present invention provides methods and apparatus for acquisition, compression, and characterization of spatiotemporal signals. In one aspect, the invention assesses self-similarity over the entire length of a spatiotemporal signal, as well as on a moving attention window, to provide cost effective measurement and quantification of dynamic processes. The invention also provides methods and apparatus for measuring self-similarity in spatiotemporal signals to characterize, adaptively control acquisition and/or storage, and assign meta-data for further detail processing. In some embodiments, the invention provides for an apparatus adapted for the characterization of biological units, and methods by which attributes of the biological units can be monitored in response to the addition or removal of manipulations, e.g., treatments. The attributes of biological units can be used to characterize the effects of the abovementioned manipulations or treatments as well as to identify genes or proteins responsible for, or contributing to, these effects.

The invention discloses a combined type environment-friendly device using the MVR-bipolar electrolysis-biological enhancement technology. The combined type environment-friendly device comprises a preprocessing unit, an evaporating and concentrating unit, a biochemistry unit and a bipolar electrolysis processing unit, wherein the preprocessing unit, the evaporating and concentrating unit, the biochemistry unit and the bipolar electrolysis processing unit are connected with one another through a pipeline. An MVR unit conducts proper concentration on industrial waste water through the steam recompression technology, distilled water can be recycled or discharged according to the standard, and a concentrated solution enters the bipolar electrolysis processing unit. The mesh-shaped unit type structural design is adopted for the units, the water flow short circuit can be avoided, the mass transfer effect is improved, the oxidoreduction efficiency is ensured, and therefore pollutants are thoroughly removed. An on-line bacterium throwing type membrane biological fixing system is adopted for a biological unit. PVA floating fillers where special efficient bacterium strains are attached are fixed in a biochemical pool, and the organic matter removing effect is enhanced through a timed on-line bacterium throwing system. The combined type environment-friendly device is an integrated device, and the wastewater treatment efficiency and the standard reaching effect are greatly improved when the MVR-bipolar electrolysis-biological enhancement technology is combined with a traditional wastewater treatment technology.

The invention relates to a biological filter-ceramic membrane biological reactor device, which comprises a water feeding pump, an anaerobic biological filter reactor and a ceramic membrane aerobic membrane biological reactor, the water feeding pump is connected with the water inlet of the anaerobic biological filter reactor by a pipeline, while the water outlet of the anaerobic biological filter reactor is connected with the water inlet of the ceramic membrane aerobic membrane biological reactor; the invention further discloses a water purifying application method thereof: contaminated surface water enters in the anaerobic filter reactor, biochemical reaction is carried out under anaerobic conditions; then the treatment liquid in the anaerobic biological filter reactor flows automatically into the biological unit of the ceramic membrane aerobic membrane biological reactor for carrying out aerobic biochemical reaction; then, the treatment liquid flows into the membrane unit in the ceramic membrane aerobic membrane biological reactor in an overflowing way, water flow enters a clean water pool after membrane separation function of the ceramic membrane component is carried out under the action of a vacuum suction pump; part of the treating liquid flows back into the anaerobic biological filter reactor from the ceramic membrane aerobic membrane biological reactor for carrying out denitrification reaction, and the reflux ratio is 0.5-2:1.

The invention relates to a biological-physical system for treating sewage containing nonylphenol polyoxyethylene ether and metabolin and a sewage treating method. The system comprises the following structure that a water outlet of a solid-liquid separator is communicated with a water inlet of an anaerobic-aerobic integrated bioreactor through a pipeline; a water outlet of the anaerobic-aerobic integrated bioreactor is communicated with a water inlet of a filter through a pipeline; and a water outlet of the filter is communicated with a water inlet of an ozone oxidation device through a pipeline. The solid-liquid separator is used for separating inorganic solid substances in the sewage; the anaerobic-aerobic integrated bioreactor is used for removing organic pollutants, ammonia nitrogen, nonylphenol polyoxyethylene ether, metabolin and the like in the sewage; the filter is used for removing suspension solids in effluent of a biological unit; and an ozone oxidation unit is used for removing nonylphenol phenol-ethoxylate resided in the water. The system has the characteristics of simple operation and maintenance, high efficiency for removing pollutants, and the like, and avoids the discharge of the nonylphenol polyoxyethylene ether and metabolin thereof with estrogen effect to the natural world.

The invention discloses a method for carrying out organic wastewater pretreatment by using an iron-carbon-Fenton-integrated reactor. The invention relates to an industrial sewage pretreatment method, and aims at solving the technical problems of poor biodegradability of the sewage processed by the existing method for processing wastewater by combining an iron-carbon microelectrolysis method with a Fenton method, and large chemical sludge quantity. An iron-carbon-Fenton-integrated reactor system comprises a pH regulating reservoir, an iron-carbon-Fenton-integrated reactor, a fan and a return pipe, wherein the organic wastewater is injected into the regulating reservoir to adjust the pH, and then led to the iron-carbon-Fenton-integrated reactor; meanwhile, the fan aerates and H2O2 is fed to the reactor free of supplement of Fe<2+>, so as to achieve a good treatment effect. The chemical oxygen demand (COD) value of the sewage after treatment is reduced by over 50%, the biochemical oxygen demand (BOD)/COD value is 0.45-0.6, and a subsequent biological unit is facilitated. The method can be applied to industrial sewage pretreatment.

A computer-implemented method of processing image data representing biological units in a tissue sample includes receiving a first image of the tissue sample containing signals from an immunofluorescent (IF) morphological marker, wherein the tissue sample is stained with the IF morphological marker, and receiving a second image of the same tissue sample containing signals from a fluorescent probe, wherein the tissue sample is hybridized in situ with the fluorescent probe. The method further includes classifying each biological unit in the tissue sample into one of at least two classes based on a mean intensity of the signals from the IF morphological marker in the first image, performing a fluorescence in situ hybridization (FISH) analysis of the tissue sample in the second image to obtain results therefrom, and filtering the results of the FISH analysis to produce a subset of the results pertaining to biological units classified in one class.

The invention provides a zero-discharge movable cyclic-flushing ecological restroom. The restroom comprises a toilet cubicle and a water treatment unit, wherein the water treatment unit comprises an anaerobic biological reaction tank, an aerobic biological reaction tank, a first biomass filtering reaction tank, an inorganic filtering tank, a second biomass filtering reaction tank and an activated carbon filtering tank which are sequentially connected with a water pipe, sewage produced from the toilet cubicle is discharged into the anaerobic biological reaction tank, sequentially passes through the aerobic biological reaction tank, the first biomass filtering reaction tank, the inorganic filtering tank, the second biomass filtering reaction tank and the activated carbon filtering tank to be treated, clean water is obtained, at least one part of obtained clean water serves as flushing water to be used cyclically. The technical scheme adopted by the cyclic-flushing ecological restroom uses a biologic treatment technology as the core, the sewage is filtered, decolorated and deodorized through dual treatment of the biological unit and the physical unit, and the purified sewage is colorless, free of smell and sterile.

The invention discloses a modularized biological rotating disc multi-serial stage system for deeply treating domestic sewage. According to the components of the modularized biological rotating disc multi-serial stage system, a sewage inlet is formed in a full-immersion biological rotating disc unit; the full-immersion biological rotating disc unit is sequentially connected with a multi-serial stage half-immersion biological rotating disc unit and a settling unit; the disc piece distance of a front-stage biological unit is larger than that of a rear-state biological unit in the multi-serial stage half-immersion biological rotating disc unit; multiple medicine adding points are arranged on a medicine adding unit and located on the full-immersion biological rotating disc unit and multi-serialstage half-immersion biological rotating disc unit respectively; a reflux unit is connected between a tail end water outlet of the half-immersion biological rotating disc unit and a front end sewageinlet of the full-immersion biological rotating disc unit; an up-to-standard water outlet is formed in the settling unit. Through a combined technology, it can be ensured that the COD, ammonia and nitrogen of effluent reach standards, and all indexes of the effluent reach first-level A discharging standards of contaminant discharging standards of municipal wastewater treatment plants (GB189118-2002).

The invention discloses a modular bioecological unit for in-situ river regulation and sewage treatment. The modular bioecological unit comprises a modular biological unit and a modular ecological unitconnected together; the modular biological unit is arranged above the modular ecological unit when they are arranged in a river channel. The modular biological unit comprises a packing frame and a slow-release carbon-source packing unit packed in the packing frame, and the slow-release carbon-source packing unit comprises a carbon-source supporter and a slow-release carbon source packaged in thecarbon-source supporter. The modular ecological unit comprises floaters, water plants arranged on the floaters and buoys limiting moving of the floaters. The modular bioecological unit can enrich microorganisms effectively, provide a stable carbon source for eutrophication of water of rivers and lakes and microbial denitrogenation of sewage lack of carbon sources and the like, and realize quick construction of a biomembrane system.

The invention discloses a centralized water supply method integrating sewage reuse and sea water desalination. The method comprises the following steps: the heavily-polluted sewage is firstly treated by a sewage treatment system based on biological and advanced treatment, a part of the effluent from the sewage treatment system and the slightly-polluted sewage are fed into and treated in a reclaimed water reuse system, and the other parts of the effluent from the sewage treatment system and the effluent from the reclaimed water reuse system are classified and recycled according to the effluent quality and the actual needs for water consumption; the fresh water required for classification and recycling is supplied by a sea water desalination system; the sewage treatment system comprises an A/O/O biological unit, a sand filtration unit, a ultra-filtration unit and a nano-filtration unit; and the reclaimed water reuse system comprises a lime/flocculant precipitation reaction unit, a multi-medium filtration unit, a resin softening unit, a ultra-filtration unit, a reverse osmosis unit and an evaporative crystallization unit. The method achieves the effects of centralized sewage treatment and centralized fresh water supply in the whole chemical industrial area, has the characteristics of low sewage treatment cost and high reuse rate, and achieves high-efficiency utilization of energy.

The invention relates to a method for recycling facility farmland irrigation water through land treatment. The method comprises the following step: transforming facility farmland, wherein the transformed farmland comprises an upper layer of soil, a middle layer of quartz sand, a water collection tank, a perforated plate and a lift pump, wherein the middle layer of quartz sand is arranged under the upper layer of soil, the water collection tank is arranged under the quartz sand, the perforated plate used for stopping the quartz sand from dropping is arranged in an upper opening in the water collection tank, the lift pump placed in the water collection tank is used for pumping water into a biological unit on the ground through a return pipe, the pumped water is treated with the biological unit, the treated water is drained into the facility farmland under the control of an irrigation valve, the drained water is filtered through the soil layer and the quartz sand layer, and the filtered water returns to the water collection tank, so that the irrigation water can be recycled through land treatment. Through the adoption of the method, the reuse rate of the agricultural irrigation water is improved, the energy is saved, the emission is reduced, and the current contradiction between water resource supply and demand in China is relieved.

The invention discloses a river channel pollution-intercepting ad purifying system and method, involving a sewage isolating device and a sewage purifying system. The sewage isolating device comprisesfloaters, enclosure skirting, pile tie ropes and footing piles. The sewage isolating device is arranged along the two sides of a river bank; the enclosure skirting, the river bank and a river bed forman enclosed isolating zone; the floaters that float on water are connected to the top of the enclosure skirting; the bottom of the enclosure skirting is fixed to the river bed via the pile tie ropesand the footing piles; the sewage purifying system is disposed in the isolating zone and comprises a plant purifying unit, a hollow fiber composite biological unit and a porous nanofiller unit. The floaters, the watertight skirting and the footing piles are arranged on the two sides of a river channel to gather all river sewage in the isolating zone when there is no need for draining river water;the plant purifying unit, the hollow fiber composite biological unit and the porous nanofiller unit help treat the sewage; therefore, the pollution intercepting effect is good, lasts long and is stable.

The invention discloses a system and method for generating a biological assembly, and the method comprises the steps: employing an ultrasonic transducer array comprising a plurality of array elements which are arranged in an array, generating a plurality of focus point sound fields in a culture medium, forming different sound trap patterns, and combining with different sound traps according to a time proportion to form different composite sound trap patterns. The biological units such as organoids are subjected to the action of acoustic radiation force in the sound trap or the composite sound trap, so that fine control such as accurate selection, position movement, angle adjustment, directional arrangement and clamping assembly is carried out on the biological units, and a biological assembly with a complex arrangement structure can be constructed; the method is beneficial to exploring the action evolution mechanism between different types of biological units, and provides a nearly real model for studying the tissues or organs and case processes of human beings or other organisms.