A phytohormone for inducing root hair curling and root nodulation in the roots of leguminous plants particularly in the absence of nitrogen-fixing bacteria. The phytohormone comprises a pentassaccharide having a fatty acid condensed on the non-reducing end. a method for treating the roots of leguminous plants for inducing root hair curling and root nodulation is also disclosed.

Disclosed are novel erythromycin derivatives, or salts thereof, represented by the following general formula: and processes for preparing the same. The erythromycin derivatives described above have an excellent effect of stimulating the gastrointestinal contractile motion and have low toxicity, and the preparations containing these compounds can be advantageously used as digestive trac...

A wafer for synthesizing biopolymers which includes a solid phase support material, a reaction chamber which receives and retains the support material and at least one inert porous material which allows flow through the wafer. Also included is a segmented wafer synthesis device comprising at least one, and preferably numerous, wafers for the simultaneous synthesis of multiple defined-sequenced bio...

Nucleoside derivatives which contain a nucleo-base, a sugar and an amino acid backbone of the structure: where R' refers to the various amino acid side chains or their blocked equivalent and R refers to a nucleo-base or its blocked equivalent. The synthesis of these nucleoside derivatives proceeds by a series of steps including oxidation of the 3'-azido nucleoside derivative, coupling to...

Pyridinone or pyrimidinone nucleoside bases containing fused aromatic polycyclic rings are provided. These polycyclic nucleosides are incorporated into oligonucleotides and hybridized to complementary nucleic acid. Fluorescence spectroscopy and thermal denaturation profiles provided evidence that the polycyclic base is intercalated into the resulting duplex. The fused polycyclic ring systems optio...

This invention relates to certain 2'-fluoro nucleosides and pharmaceutically acceptable derivatives thereof and their use in the treatment of HIV infections. Also provided are pharmaceutical formulations and processes for the production of the compounds according to the invention.

An actuator for precisely moving and positioning a manufacturing component includes a housing on which a magnet is mounted. An electrical coil is wound around a coil piston which is slidingly mounted on the housing for movement within the magnetic field generated by the magnet. A rod, having a member for gripping the component, is attached for movement with the coil piston, and a source of electri...

In a computer system having at least a main storage unit and a memory control unit, a storage control system accesses two memory areas provided in the main storage unit, each of the two memory areas storing the same information. A double-writing device is provided in the memory control unit for writing the same information to each of the two memory areas by determining the state of a double-writin...

Novel 4'-esters, 4'-carbonates and 4'-carbamates of 4'-demethylepipodophyllotoxin glucosides are disclosed. These agents exhibit antitumor activity in animals.

A process of production of alumina short fiber reinforced magnesium or magnesium alloy product features formation of alumina short fiber pre-form utilizing a inorganic binder which is composed of one or more oxides having thermodynamically stability equivalent to or higher than MgO. In the alternative, the composite almina fiber and binder surfaces of the alumina short fiber pre-form can be coated...

A calender stock shell for the storing and transportation of strip material is formed by extruding a hollow tubular extrudate of a high impact ABS material and then forming a plurality of tubes therefrom. A pair of hubs, also formed of a high impact ABS material, preferably by injection molding, is secured in the end openings of the tube by an adhesive. A metal guide sleeve is trapped within the h...

A realtime control process for an electronic reprographic system in which background and job requests are dynamically partitioned into unique combinations of virtual machines for carrying out each request, with each virtual machine having certain system services to carry out the function provided by the virtual machine.

Specific mixtures of tocopherol homologs exhibit surprisingly improved antioxidant effects in mint oil and mint-flavored chewing gum compositions. The mixtures of homologs fall within the range of 7-15% by weight alpha tocopherol, 45-70% by weight gamma tocopherol and 20-35% by weight delta tocopherol. Homologue mixtures within this range are superior to the constituent homologs used alone, and to...

Specific mixtures of tocopherol homologs exhibit surprisingly improved antioxidant effects in mint oil and mint-flavored chewing gum compositions. The mixtures of homologs fall within the range of 7-15% by weight alpha tocopherol, 45-70% by weight gamma tocopherol and 20-35% by weight delta tocopherol. Homologue mixtures within this range are superior to the constituent homologs used alone, and to...

A novel shell-coated FCC catalyst is disclosed wherein the shell is a mixture of at least one refractory metal oxide or silicate or precursor thereof (preferably clay) having a particle size of .3 to 5 microns and an inorganic refractory binder (preferably silica) having a particle size of less than 0.01 microns and the core is a zeolite-containing microsphere. FCC with the shell coated catalyst i...

A wheelchair wheel lock system is provided that can be adapted for either pull-to-lock or push-to-lock operation. The wheel lock system includes a function plate with first and second pivot holes. An operating lever is attached to the function plate, and rotation of the lever causes rotation of the function plate and thereby moves a contact arm into engagement with the wheel of the wheelchair to l...

An electric candle comprised of an electric lamp supported on a cylindrical casing above a base, said cylindrical casing having conductive strips connected to a power supply in said base and controlled by a switch means consisted of a spring coil around a conductor, said base having a sound pick up, a sound producing means at the inside, wherein making a sound causes said sound pick up to connect ...

The present invention relates to methods and materials for the detection of ketone and aldehyde analytes in fluid samples by means of reacting analyte containing samples with a first solid matrix material to which a nitroprusside salt is coupled and a second solid matrix material to which an amine is covalently coupled. Methods and devices are also provided for ascertaining the fat catabolism effe...

A non-invasive apparatus and method for measuring fat thickness or content and muscle depth or area parameters grading meat and animals are disclosed. The device includes an ultrasonic transducer and analyzer device which provides A scan information in digitized form. A separate controller moves the ultrasonic transducer along a predetermined path adjacent an animal or carcass while A scans are ob...