244 results about "Cell carrier" patented technology

A wireless terminal receives signaling information, pertaining to a reference signal transmission in at least one specifically designated sub frame, the signaling information including a list, the list including base station identities. The terminal determines, from at least one of the base station identities in the list, the time-frequency resources associated with a reference signal transmission intended for observed time difference of arrival (OTDOA) measurements from a transmitting base station associated with said one base station identity. The time of arrival of a transmission from the transmitting base station, relative to reference timing, is measured. The wireless terminal can receive a command from a serving cell to start performing inter-frequency OTDOA measurement on a frequency layer containing reference signals, the frequency layer distinct from the serving frequency layer, the serving frequency layer not containing positioning reference signals. The wireless terminal can perform OTDOA measurements subsequent to the reception of the command on a carrier frequency different from the serving cell carrier frequency. A base station transmitter can jointly schedule a reference signal transmission from a plurality of base station transmitters for the purpose of OTD estimation enhancement, and transmit identical reference signals from the plurality of base station transmitters, the reference signals being identical both in the signal sequence and time-frequency resources used for transmission.

The present invention relates to a device comprising a cell carrier portion containing regenerative cells, e.g., stem and progenitor cells, and a cell carrier containment portion. The device is useful for the treatment of bone related disorders, including spinal fusion related disorders and long bone or flat bone related defects. The device may be used in conjunction with disclosed automated systems and methods for separating and concentrating regenerative cells.

The present invention relates to a device comprising a cell carrier portion containing regenerative cells, e.g., stem and progenitor cells, and a cell carrier containment portion. The device is useful for the treatment of bone related disorders, including spinal fusion related disorders and long bone or flat bone related defects. The device may be used in conjunction with disclosed automated systems and methods for separating and concentrating regenerative cells.

The embodiments of the present invention relate to the technical field of communications and provide a data-forwarding method, apparatus and communications system, which realize the veracity and continuity of data transmission during inter-station cell carrier aggregation. The method comprises: a master base station (BS) sending a first message to a subordinate BS, the first message for use to indicate the subordinate BS to perform handover, and the first message including the identification of a target BS; the master BS verifying that the subordinate BS forwards data to the target BS; and the master BS sending a second message to a user equipment (UE), the second message for use to indicate the UE to obtain the data from the target BS. The embodiments of the present invention are used in forwarding data.

Cell-loaded devices or prostheses having various applications such as insertion into body passages are disclosed. The prostheses include cell carrier portions which are compatible with living tissue and which are loaded with therapeutic cell populations, and the prostheses can be applied within or replace one or more of narrow segments, environments which may be difficult to access or luminal areas of the body such as parts of blood vessels. In the context of blood vessels, the cell-loaded devices or prostheses can line or otherwise treat with therapeutic cell populations inner walls of damaged blood vessels and surrounding parenchyma or other organs.

The invention discloses a preparation method of sericin hydrogel, the method is as follows: first, weighting domestic silkworm fibroin deletion form mutation variety silkworm cocoon for LiBr or LiCl extraction and dialysis and purification to obtain a non-degradable sericin water solution with a mass percentage concentration of 0.1-4%; concentrating the sericin water solution to 1.5-10%, adding a cross-linking agent to the concentrated sericin water solution (wherein 2-500muL of the cross-linking agent is added into each L of the sericin water solution), fully mixing, and placing at 4-45 DEG C for 5 seconds to 36 hours to obtain the sericin hydrogel. The sericin hydrogel has biological activity and multiple functions, can be used as carrying growth factors, drugs and cell carriers treatment, and can be applied in repair of a variety of soft tissue injuries, including but not limited to skin damages, muscle damages, injuries of blood vessel, nerve injuries, myocardial damages, and the like, and treatment of diseases.

To improve a cartilage replacement implant for the biological regeneration of a damaged cartilage area of articular cartilage in the human body, comprising a cell carrier which has a defect-contacting surface for placement on the damaged cartilage area and is formed and designed for colonization with human cells, so that after implantation of the cartilage replacement implant, formation of a gap between adjacent contact surfaces of the implant and surrounding recipient tissue is minimized, it is proposed that the cell carrier rest with surface-to-surface contact on a carrier and be joined to the carrier at a cell carrier surface that faces away from the defect-contacting surface. A method for producing a cartilage replacement implant is also proposed.

The invention relates to an alginate-polycationic microcapsule product used for embedding bioactive substance, in particular to an alginate-polycationic microcapsule subjected to graft modification of dopamine. According to the alginate-polycationic microcapsule subjected to graft modification of dopamine, dopamine molecules are in covalent bonding to sodium alginate molecules, the obtained molecules are used for preparing a hydrogel microsphere carrier, the embedded hydrogel microsphere carrier further has film formation reaction with polycations, and thus the dopamine-based alginate / polycationic microcapsule is prepared. The microcapsule has good stability, and does not swell or break in the body fluid environment. The product is mainly used for embedding the bioactive substance, the microcapsule film has the excellent biocompatibility while having the good film strength, and the integrity of the microcapsule film when taken as the histocyte transplantation carrier, the cell carrier of the in-vitro bioartificial liver system, the cell carrier in the cell culture process and the like in the application process is guaranteed.

An apparatus for collecting or culturing cells or cell colonies includes: a common substrate formed from a flexible resilient polymeric material and having a plurality of wells formed therein; and a plurality of rigid cell carriers releasably connected to said common substrate, with said carriers arranged in the form of an array, and with each of the carriers resiliently received in one of the wells. A method of collecting or culturing cells or cell colonies with such an apparatus is carried out by depositing a liquid media carrying cells on the apparatus so that said cells settle on or adhere to said the carriers; and then (c) releasing at least one selected carrier having said cells thereon by gradual application of release energy to each carrier from the cavity in which it is received (e.g., by pushing with a probe).

The present invention relates to a process of producing a collagen gel comprising collagen fibers cross-linked with each other by a cross-linking agent on the way of fibrosis of collagen, and a collagen gel comprising the cross-linked collagen fibers obtained by the process. The collagen gel comprising cross-linked collagen fibers of the present invention has high strength and thermal stability and can be widely used as cell carriers and medical materials.

The invention discloses a method and device for reducing reference signal CM in carrier wave polymerization scene. The method includes steps of generating long sequence according to LTE-A system carrier wave configure and cell specific descending reference signal sequence in LTE Release 8, grouping the generated long sequence, and distributing the long sequence according to cell carrier wave property to reduce base station terminal CM. The technical solution provided by the present invention can reduce CM of transmitting terminal at the premise of not changing the LTE standard basically, thereby reducing power consumption of device.

A platform, apparatus and method for Internet of Things Implementations for selecting a cellular carrier. For example, one embodiment of a system comprises: an Internet of Things (IoT) hub comprising a network interface to couple the IoT hub to an IoT service through a cellular (cell) carrier, the IoT hub further comprising a local communication interface to communicatively couple the IoT hub to a plurality of IoT devices over local communication channels; cell carrier selection logic on the IoT hub to implement a set of rules to select between two or more cell carriers through which to connect the IoT hub to the IoT service, the rules being based, at least in part, on a cost associated with connecting to each of the two or more cell carriers and connectivity data associated with cell connections between the IoT hub and each of the two or more cell carriers.

The present invention is one kind of composite organic-inorganic material film as immobilized cell carrier. The composite organic-inorganic material film is prepared through adding alumina precursor, such as boehmite, pseudo boehmite, mesoporous molecular sieve MCM-41, etc to polymer material, such as foamed polyurethane, sodium alginate, PVA, etc. for modification. It is superior to traditional immobilized cell carrier material, and has unique pore canal structure for microbe cell to habitat and to propagate. It has coating and adsorbing amount up to 3-6 billion / ml and free fermenting cell up to 0.08-0.16 billion / ml, and may be used for immobilized cell, especially alcohol fermentation to shorten fermentation period and raise alcohol yield. It has the features of high permeability, high mechanical strength, high chemical stability and capacity of being reused, and is one kind of high efficiency immobilized cell carrier.

A wireless terminal receives signaling information, pertaining to a reference signal transmission in at least one specifically designated sub frame, the signaling information including a list, the list including base station identities. The terminal determines, from at least one of the base station identities in the list, the time-frequency resources associated with a reference signal transmission intended for observed time difference of arrival (OTDOA) measurements from a transmitting base station associated with said one base station identity. The time of arrival of a transmission from the transmitting base station, relative to reference timing, is measured. The wireless terminal can receive a command from a serving cell to start performing inter-frequency OTDOA measurement on a frequency layer containing reference signals, the frequency layer distinct from the serving frequency layer, the serving frequency layer not containing positioning reference signals. The wireless terminal can perform OTDOA measurements subsequent to the reception of the command on a carrier frequency different from the serving cell carrier frequency. A base station transmitter can jointly schedule a reference signal transmission from a plurality of base station transmitters for the purpose of OTD estimation enhancement, and transmit identical reference signals from the plurality of base station transmitters, the reference signals being identical both in the signal sequence and time-frequency resources used for transmission.

The present invention provides a stretchable collagen material, particularly collagen derived from fishes, having excellent stretching property and mechanical strength, which can be widely used as a cell carrier and medical material, and to a method for manufacturing the same. By thermally treating a gel comprising collagen fiber cross-linked by using cross-linking agent, the collagen enhanced in both stretching property and mechanical strength can be produced. The stretchable collagen material is extremely useful as a cell carrier material and medical material.

The embodiment of the invention provides a target cell determining method and device, and relates to the technical field of communications. In the switchover process of a main service cell or a relocation process of an auxiliary service cell of a carrier aggregation system, target cells to which UE is to have access are determined on the basis of cell carrier aggregation priorities determined according to transmission performance parameters of the cells, and therefore the success rate that the UE has access to the target cells can be improved, and the data transmission rate of the UE is ensured. The method includes the steps of determining at least one candidate cell according to a measurement report reported by the UE, obtaining the transmission performance parameters of the candidate cells, determining the carrier aggregation priorities of the candidate cells according to the transmission performance parameters of the candidate cells, and determining a target cell to which the UE is to have access from the candidate cells according to the carrier aggregation priorities of the candidate cells.

The present invention discloses a method for calibrating intelligent antenna. When a baseband pool unit (BBU) receives a request for establishing a cell carrier on a remote radiofrequency unit (RRU), the following steps are executed: A. determining whether the RRU is executed with initialization calibration, if the RRU is not executed with the initialization calibration, continuing for executing the step B, otherwise continuing for executing step C; B. executing initialization calibration to the RRU; C. establishing a corresponding cell carrier on the RRU according to the request for establishing cell carrier; and D. after the cell carrier is successfully established, executing a first periodic calibration to the corresponding cell carrier channel, and executing periodic calibration to the cell carrier channel according to the collocated calibrating period. The application of the invention can trigger the initialization calibration and periodic calibration in time for guaranteeing the service quality of wireless communication system.

The invention relates to a virus preparation or vaccine production method by culturing cells with a polyester fiber carrier. The method particularly comprises the following steps: 1) preparing a polyester fiber cell culturing carrier by adopting a processing method; 2) in a cell culturing system, culturing proliferation cells in a cell proliferation culture solution with the treated polyester fiber cell culturing carrier; 3) changing a cell maintaining culture solution after the cells grow to a certain density or number, and inoculating virus to infect cells; 4) amplifying virus; 5) harvesting virus fluid; 6) inactivating or implementing living vaccine treatment according to the required preparation type; 7) concentrating, purifying and cracking the virus fluid; 8) adding a stabilizing agent and an immunoadjuvant; and 9) packaging vaccine. According to the method, a material which has low price and is suitable for wall attaching growth of the cells is used to make the cell culturing carrier, carry out cell culture and prepare virus or produce vaccine, so that the cost of the cell carrier is greatly reduced.

The invention relates to a cell carrier chip which comprises a basal layer and a clad layer, wherein the basal layer is made of materials which do not affect light ray transmission, the basal material is covered with the clad layer which has zero damage to cells; a ratio of the lowest Raman signal noise ratio of a to-be-tested sample to the highest Raman signal noise ratio of the clad layer is more than 3; the clad layer can be used for absorbing lasers and be stripped or melted partially. The invention further relates to the application of the cell carrier chip in a rapid measuring method of the single cell Raman spectrum, and a single cell rapid identifying method and a single cell rapid sorting / separating method which are based on the Raman spectrum. The Raman spectral background of the cell carried chip is reduced, the accuracy and handleability of an ejection system are improved, and the activity of an ejected target cell is guaranteed.

The invention relates to a formulation for the production of a biocompatible, optionally bio-degradable, open-pored polyurethane foam which has open pores also on the surface thereof without any mechanical post-treatment, i.e.has no skin, a polyurethane form of said variety and a method for the production and use thereof. The invention also relates to a method for the production of a cell carrier for for cell cultures, tissue cultures and for tissue engineering, using the formulation for the production of the open-pored polyurethane foam, in addition to a cell carrier obtained by means of said method.

The embodiment of the invention relates to a method for reporting measurement reports, and a method, a device and a system for switching cell carrier frequencies. The method for reporting the measurement reports comprises the following steps that: user equipment (UE) measures a primary carrier frequency working cell and a secondary carrier frequency working cell, determines the quality assessment values of the primary carrier frequency working cell and the secondary carrier frequency working cell according to the measured result, and sends the measurement reports for switching decisions to a network side; and the network side switches the primary carrier frequency to the carrier frequency having the best quality of radio signals according to the received measurement reports sent by the user equipment, so that the continuity of communication between users is ensured and the user experience during the moving process is improved.

A carrier for growing adherent cells is provided, wherein the carrier comprises one or more outer surfaces; and one or more structured indentations on one or more of the outer surfaces, wherein the carrier has a length at least about 0.2 mm, a width at least about 0.2 mm, and a height in a range from about 0.05 mm to 1.2 mm and each of the structured indentations has a major axis in a range from about 0.1 mm to 0.5 mm, a minor axis in a range from about 0.1 mm to 0.5 mm and a depth in a range from about 0.025 mm to about 0.5 mm. The carrier may comprise a single indentation or ‘cup’ like structure, or may comprise a plurality of indentations. A method of making the carrier, and culturing stromal cells using the same carrier are also provided.

The invention provides a neighbor cell measurement method of a multi-mode terminal. The method comprises the following steps: A. measuring an neighbor cell carrier power RSSI of the neighbor cells at various frequency points, meanwhile, measuring a received signal code power (RSCP) of a pilot channel in a serving cell; B. comparing the RSCP of the pilot channel in the serving cell and the RSSI of the neighbor cells, ignoring the measurement of the RSCP of the pilot channel in the neighbor cells at one frequency point when the value of the RSSI at the frequency point added with a threshold is smaller than the RSCP of the pilot channel in the serving cell, otherwise, measuring the RSCP of the pilot channel in the neighbor cells at the frequency point. The invention further provides a neighbor cell measurement device of the multi-mode terminal. By the method and the device, a plurality of neighbor cells with weak signals are effectively eliminated by comparing the relationship between the RSCP of the pilot channel in the serving cells and the neighbor cell carrier power, and the limited idle time windows are used for the measurement of the potential target cells so as to realize the measurement among systems under a high-speed service.

The invention discloses a method for collocating neighbor cell list in a multi-frequency cell system, which relates to the neighbor cell list collocation technique and aims at solving the problem that the collocation of neighbor cell list is not suitable for the UE. The adopted technical proposal includes the following steps: the neighbor cell measurement is carried out according to the work carrier-frequency of the UE at the user terminal; the neighbor cell of which the main carrier-frequency is different from the work carrier-frequency of the UE is collocated to the different-frequency cell information list; the neighbor cell containing the same carrier-frequency with that of UE is collocated to the identical-frequency cell list. The invention simultaneously discloses an apparatus used for realizing the method. With the invention, the UE can directly utilize the cell information list sent by the system for eliminating the interruption of the same frequency and also can obtain the accurate information of the neighbor cell carrier-frequency through the cell information list of the system.

The invention provides supermolecular hydrogel containing chitosan and gelatin as well as a preparation method and an application of the supermolecular hydrogel and belongs to the field of biomaterials. The supermolecular hydrogel contains a part formed by combining chitosan modified with a beta-cyclodextrin carboxylated derivative and gelatin under the host-guest interaction; chitosan is graftedwith the beta-cyclodextrin carboxylated derivative through an amide group. The preparation method comprises the steps as follows: the chitosan is grafted with the activated beta-cyclodextrin carboxylated derivative through the amide group, then, the gelatin is added, so that the grafted beta-cyclodextrin carboxylated derivative and an aromatic group of the gelatin are in host-guest interaction, and the supermolecular hydrogel containing the chitosan and the gelatin is obtained. The supermolecular hydrogel containing the chitosan and the gelatin has shear thinning and self-healing characteristics and can be used as an injectable cell or drug carrier. The beta-cyclodextrin group in hydrogel and the aromatic group in the gelatin can be used in cell carriers and tissue engineering materials through the host-guest interaction.

The invention discloses a cell switching method of a multi-carrier aggregation system, comprising the following steps that: a switching request message transmitted to a target NB by a source NB carries a target cell identification and target cell carrier list information; a switching request determination message transmitted to the source NB by the target NB carries the target cell identification and the target cell carrier list information; the source NB transmits a switching command message containing the target cell identification and the target cell carrier list information to UE; and the process of switching the UE to a target cell corresponding to the target cell identification can be executed, therefore, carrying the carrier information in the switching process, the invention can ensure that UE with different capabilities can be switched to a correct carrier, effectively improve the service transmission efficiency of an LTE-A system and effectively ensure the switching quality.

The invention provides a multi-carrier-based method and a multi-carrier-based device for feeding back a channel quality indicator (CQI). The method comprises the following steps that: a terminal acquires multi-carrier channel quality indicator information aperiodically or periodically, and reports the multi-carrier channel quality indicator information to a system side so as to ensure that the system side takes the multi-carrier channel quality indicator information as one of carrier scheduling parameters to carry out carrier scheduling of a terminal service or a cell carrier scheduling of the terminal service, wherein the multi-carrier channel quality indicator information comprises channel quality indicator information of each carrier of terminal working carriers or channel quality indicator information of a plurality of carriers in a cell of the terminal. The method and the device realize that the system side schedules the multi-carrier according to multi-carrier CQI information reported by the terminal, and solve the problems that carrier scheduling of the terminal in a multi-carrier system cannot be realized in the prior art because of not being applied to a CQI feedback mechanism of the plurality of carriers so as to improve the performance of the system.

The invention discloses a tissue engineering material-based culture method and applications of melanophore. In the method of the invention, the tissue engineering technology is used to build carrier material with good biocompatibility and perform culture (co-culture) and transfer of melanophore or melanophore, fibroblast and keratinocyte and the method can be used in depigmentation diseases such as vitiligo and for the regulation of skin color. The invention relates to the preparation of the carrier material with biocompatibility and the building and transplanting of the cell-carrier composite material. The carrier material can be used to provide good carrier for cell culture, maintain cellular activity and solve the problem that the cell suspension is easy to lose in the cellular transplantation process; the inoculum density and culture time of cells can be regulated at the same time, the regulation to the skin colors of different individuals can be realized; and the carrier materialhas good performances such as damage resistance, tear resistance and easy transfer, has good function of promoting wound healing, and satisfies the use requirements of the large-area depigmentation disease and the regulation of skin color.