A biosensor apparatus and method with sample type and cell volume detection. The apparatus includes a sine wave generator (104) to apply an AC signal to a biosensor cell containing a sample, a current-to-voltage converter, a phase shifter, a square wave generator, a synchronous demodulator, and a low pass filter (120) which yields a signal proportional to the effective capacitance across the biose...

A system and method for controlling electrosurgical snares are disclosed. Th e system includes an electrosurgical instrument having an elongate tubular sheath having proximal and distal ends, the sheath having a longitudinal axis defined therethrough and a shaft having proximal and distal ends. The shaft extends through and is axially movable relative to the sheath. A snare loop is provided at the...

Measuring the in situ temperature of a formation traversed by a borehole comprising lowering to a predetermined position in the borehole a tool that comprises a central conduit having an inlet an dbeing provided with a temperature sensor in contact with the fluid, means for analysing the fluid, and means for discharging fluid; allowing only formation fluid to pass through the central conduit; anal...

The invention relates to a method and server for transferring digital data from a hand-held communication device to a central across at least one communications network. The method includes receiving an initiating message from the communication device at the central, the initiating message having been transferred from the communication device across a communications network. The method is characte...

An apparatus and method for operating an electrically powered device (42) in a packer (40) using the piping structure (24) of the well (38) as an electrical conductor for providing power and/or communications. The electrically powered device (42) may comprise an electrically controllable valve (44), a communications and control module, a modem, a sensor, and/or a tracer injection module.

Measurement-while-Drilling apparatus, for obtaining information about a formation, uses sensors (Fig 3C, 301) on substantially non-rotating pads 264 attached to a rotating housing 256 that is part of the drilling assembly. The pads make contact with the formation. The sensors may be density, NMR, resistivity, sonic or electromagnetic sensors. The NMR sensors may use a static magnetic field, that c...

Methods and devices for determining the quality of an oil well reserve or the like delivering a given fluid derived from a productive layer, by measuring the response R of the well. The method implemented by the device comprises modulating the fluid flow rate (4) in the well (1) by a sinusoidal function with a controllable preventer (5), and measuring the variations in flow rate and pressure of th...

A particulate filling material (infill) (1) for synthetic-grass structures, comprises granules (10), which have: a core (12) of recycled-tyre material; and a coating layer (14) of a plastic material which encapsulates the core (12) of recycled-tyre material.

There is disclosed a fluid supply manifold for use with various surgical instruments, such as, electrosurgical instruments. The fluid supply manifold includes two or more connection ports for receipt of sources of fluid supply by eithe r bulk sources or sources contained within canisters. The manifold may include a mixing chamber for mixing the various sources of fluids within the manifold or may ...

A method of manufacturing painted profiles from metallic strips and a corresponding machine. The method includes the following stages: a) providing a spool with a first material; b) providing a spool with a second material; c) making the first and second materials pass through together in such a way that the coat of primer of the first material and the coat of paint of the second material are juxt...

A luminaire capable of selectively directing light from a lamp therein generally upwardly, downwardly, and outwardly, the combination comprising an electrical housing having a generally downwardly directed socket adapted to receive and support a generally vertically oriented lamp, and having a plurality of coupling members positioned around the socket; an upper reflector, coupled to the housing, a...

A prosthetic device, such as an acetabular cup, includes a shell (12), a liner (14) and a bearing (16). The bearing may be coupled to the liner so as to form a bearing-liner subassembly. The shell is provided with a female taper (30) complimentary to a male taper (44) on the liner. The liner-bearing subassembly may be secured to the shell by engaging the complimentary tapers.

A power supply device for realizing an electrical connection structure comprises a wire harness arranged to electrically connect a body with a sliding door and having both ends fixed thereto and a bendable middle portion. A slider is arranged to contact the middle portion of the wire harness and mov e in synchronization with slide movement to guide the wire harness in a parall el direction. A box-...

The present invention provides retroviral protease inhibitor compounds represented by the Formula I: Such compounds are urseful for preparing medicaments for inhibiting proteases, especially for inhibiting HIV protease and for treating a retroviral infection such as HIV infection and for treating AIDS.

Catalyst for steam cracking reactions consisting of crystalline calcium aluminates having a molar ratio CaO/Al2O3 ranging from 1/6 to 3 and of molybdenum and/or vanadium oxides, wherein the molybdenum oxide, expressed as MoO3, or the vanadium oxide, expressed as V2O5, or the sum of said two oxides, is in a quantity ranging from 0.5 to 10%, preferably from 0.8 to 5% by weight.

Therapeutically active compounds of formula (I) in which R1 to R4 means hydrogen, alkyl, alkenyl, aryl, arylalkyl, carboxyalkyl, hydroxyalkyl or halogenalkyl, or R2 and R3 form a ring of 5-7 carbon atoms. R5 to R9 means hydrogen, alkyl, alkenyl, aryl, arylalkyl, acyl, hydroxy, alkoxy, alkoxycarbonyl, amino, acylamino, alkylamino, aryloxy, halogen, cyano, nitro, carboxy, alkylsulfonyl, sulfonamido ...

El producto y procedimiento aqui descritos se refieren a la construccion y utilizacion de porticos modulares arriostrados para el soporte de losas de entrepisos en edificaciones y superestructuras prefabricadas en concreto liviano. Estos resultan de especial conveniencia para la construccion de edificaciones en las que las caracteristicas topograficas del terreno; sean estas pendientes, laderas o ...

Una combinacion de una aguja quirurgica (Nl, N2, N3, N4) con una sutura con puas (S1, S2, S3, S4). La sutura incluye una porcion principal alargada y una pluralidad de puas que se extienden desde la porcion principal. Cada pua causa la sutura para resistirse el movimiento en una direccion opuesta a la diseccion en que estan orientadas las puas. La aguja quirurgica (Nl, N2, N3, N4) tiene un diametr...

Una forma de dosificacion oral que comprende azitromicina y una cantidad eficaz de un agente alcalinizante. Preferiblemente, dicha forma de dosificacion oral comprende una cantidad eficaz de un agente alcanizante y un multiparticulado de azitromicina en el que dicho multiparticulado comprende azitromicina, una mezcla de monobehenato de glicerilo, dibehenato de glicerilo y tribehenato de glicerilo ...

La invencion trata sobre una clase de oligonucleotidos inmunoestimuladores CpG que contienen una secuencia inmunoestimuladora CpG y una segunda secuencia la cual es capaz de formar estructuras secundarias, incluyendo estructuras bicatenarias y de orden superior, tanto in vitro como in vivo. Los oligonucleotidos de la invencion son utiles como adyuvantes para vacunacion. Los oligonucleotidos son ut...