Methods are provided for producing highly purified compositions of nucleic acids by using tangential flow ultrafiltration. A scaleable process for producing pharmaceutical grade plasmid DNA, useful for gene therapy, is provided, which is efficient and avoids the use of toxic organic chemicals.

An adaptive addressable circuit redundancy method and apparatus, e.g., an adaptive memory redundancy method and apparatus, utilizes an on-chip processor to test, analyze and reassign spare addressable circuits to replace defective or intermittent addressable circuits. The present invention is applicable both in a manufacturing environment and/or in a field environment wherein the integrated circui...

A Built-In Self Test (720) generates a BIST FAIL signal when a failure is detected at a specific address within a memory array (110). The address associated with the failure is stored in a latch (210). During normal operation, the address stored in latch (210) is compared to addresses being currently accesses. A HIT signal is generated when a match occurs. The HIT signal disables selection of the ...

A redundancy determination circuit receiving an address signal from an address bus outputs a replacement signal when a set address matches the received address. A multiplexer activates any spare activation signal line that activates respective redundant memory arrays provided in the row direction and column direction in a memory bank at a predetermined timing. The redundancy determination circuit ...

A single pull-up circuit is shared between a redundant row antifuse cell, and a redundant column antifuse cell. Additionally, a single selection circuit is shared between the two antifuse cells. A row selection signal supplied thereto selects the antifuse cell for the redundant row, while a column selection signal selects the antifuse cell for the redundant column. A small channel length transisto...

A computer system comprising a control program stored in a memory recommends an intravenous device for infusion therapy based on input entered by a user. The control program includes an execution program for interacting with the user to elicit responses and to provide output to the user. The user inputs parameters to the prompts of the execution program to provide the control program with informat...

A method and an apparatus are disclosed for providing enhanced pay per view in a video server. Specifically, the present invention periodically schedules a group of non pre-emptible tasks corresponding to videos in a video server having a predetermined number of processors, wherein each task is defined by a computation time and a period. To schedule the group of tasks, the present invention divide...

A system for automatically recording an event transmitted over a network is provided. A network client is programmed to automatically access a network server at a first specified time, download data from the server to a specified destination device or file, stop the download at a second specified time, and automatically disconnect from the network server. The network client is further programmed t...

There is provided a spare column selection circuit comprising a line switching pair arranged between a spare input/output line pair connected to a spare bit line and a normal input/output line pair connected to a normal bit line pair. The line switching pair are driven by an output of a spare column decoder. A normal line pull-up pair are connected to the corresponding normal input/output line so ...

An excellent heat-generating ceramics body for hyperthermia of cancers is provided, comprising ferromagnetic ferrite particles, and a bioactive inorganic material layer surrounding the ferrite particles. The inorganic material layer has a composition to form apatite in a living body when embedded therein which has a high affinity to surrounding tissues of a living body and a property of not being ...

"OLIGONUCLEOTìDEO ESPECIFICAMENTE HIBRIDIZáVEL COM DNA OU RNA". Esta invenção se dirige à síntese e uso de oligonucleotídeos para elicitar atividade RNase H para clivagem de filamentos em um filamento oposto. Estão incluídos na invenção os oligonucleotídeos em que pelo menso algumas das unidades de nuclesídeos dos oligonucleotídeos são funcionalizadas para serem resistentes a nuclease, pelo menos ...

"MéTODO PARA APERFEIçOAMENTO DE IMAGENS ULTRA-SÈNICAS, COMPOSIçãO FORMADORA DE IMAGEM ATRAVéS DE ULTRA-SOM E MéTODO PARA FABRICAçãO DE UMA MICROPARTìCULA FORMADA POR UM POLìMERO BIOCOMPATìVEL COM ECOGENICIDAD AUMENTADA". Foi descoberto que a incorporação de gases fluorados, especialmente um perfluorocarbono como octafluoropropano, em micropartículas poliméricas sintéticas melhora a ecogenici...

"SISTEMA DE ACESSO E PROCESSO PARA PROPORCIONAR ACESSO INTERATIVO A UMA FONTE DE INFORMAçõES ATRAVéS DE UM SISTEMA DE DISTRIBUIçãO DE TELEVISãO". Um sistema de acesso interativo e processo de acessar uma fonte de informações através de um sistema de distribuição de televisão (11) são apresentados. O sistema de distribuição inclui uma rede de distribuição de televisão (12), equipamento de distribui...

The present invention is directed to improved heads for golf clubs, including iron, wood and putter type golf club heads, and to methods of manufacturing such golf club heads. One or more layers of a loaded film are used to define in part the overall weight, center of gravity, and inertial characteristics of the golf club head, without significantly affecting the structural characteristics of the ...

Tube units useful for a variety of application are provided. Preferably, individual laminated tubes are joined to each other by intermediate pieces to produce a wide ribbon of parallel tubes. The tubes are porous to certain substances, allowing them to serve as an apparatus to exchange material between two or more fluid streams. The tubes are particularly useful as membrane modules for exchange of...

PCT No. PCT/US95/03009 Sec. 371 Date May 12, 1997 Sec. 102(e) Date May 12, 1997 PCT Filed Mar. 13, 1995 PCT Pub. No. WO96/08158 PCT Pub. Date Mar. 21, 1996A continuous process of making a chewing gum base which provides a method for cooling at least certain sections of the mixer (extruder) in a cost effective and energy efficient manner. To this end, in an embodiment, a method of continuously comp...

A decoded instruction cache which stores both directly executable and microcode instructions for concurrent dispatch to a plurality of issue positions. An instruction address required by a superscalar microprocessor is first presented to the decoded instruction cache. If the address is not present in the decoded instruction cache, the instruction bytes are retrieved either from an instruction cach...

A computer processor with a mechanism for improved prefetching of instructions into a local cache includes an instruction pointer multiplexer that generates one of a plurality of instruction pointers in a first pipeline stage, which is used to produce a physical address from an ITLB lookup. A comparison is performed by compare logic between the physical address (and tags) of a set in the local cac...

A structure for optical disk, which has clear, durable indications around the center hole of a disk in such a manner that it does not affect a reference surface for clamping. In order to realize such a disk structure, a first optical disk (11) and a second optical disk (12), respectively having transparent substrates (11a) and (12a) with a center hole (10) and reflecting coatings (11b) and (12b) o...

Patente de Invenção: "PROCESSO PARA A PRODUçãO DE PERóXIDO DE HIDROGêNIO POR SìNTESE DIRETA DE HIDROGêNIO E OXIGêNIO EM CONTATO COM UM CATALISADOR, EM UM SOLVENTE". A presente invenção refere-se a um processo para a produção de peróxido de hidrogênio por síntese direta de hidrogênio e oxigênio em contato com um catalisador. O processo é caracterizado pelo fato da reação ser conduzida num sol...