1st Detect Corporation

Monsanto Technology LLC

W. R. Grace Co.-conn.

Engelhard Corporation

Basf Corporation

Dekalb Genetics Corporation

Astrotech Technologies, Inc.

Michael Spencer

David Rafferty

James Wylde

Brenda A Lowe

Brandon Davis

Michael T Mann

Lubomyr Kucher

Warren Mino

Pedro Ojeda

Vladimir P Marin

Jyoti R Rout

Whitney R Adams, Jr

John P Purcell

Ahmed Hintolay

Rita Mumm

Anne Spelletich

Melissa Way

David McElroy

Jacob Eyal

Michael A Stephens

Whitney Adams

Thomas Bowden

J Jefferson Gwyn

Chung-Ping Cheng

Kayo Umezawa-Vizzini

Joseph Charles Dettling

John Joseph Steger

Guido Fridolin Verbeck, Iv

Robert V Russo

Neil J O'Reilly

David Lorenz Gardner

Neil O'Reilly

Jeff Gwyn

Neil J O'reilly

The present invention discloses and claims methods and devices for the rapid mechanical isolation of monocot plant tissues suitable for transformation or tissue culture. The invention includes mechanical devices for substantially isolating target plant tissues for use as transformable explants, and propagation of transgenic plants and plant tissues.

Method and apparatus for substantially isolating plant tissues

Solid catalyst components for use in olefin polymerization, olefin polymerization catalyst systems containing the solid catalyst components, methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing and copolymerizing olefins involving the use of the catalyst systems. The solid catalyst components are formed by (a) dissolving a magnesium compound and an auxiliary intermediate electron donor in at least one first solvent to form a solution; (b) contacting a first titanium compound with said solution to form a precipitate of the magnesium compound and the first titanium compound; (c) washing the precipitate with a mixture of a second titanium compound and at least one second solvent and optionally an electron donor at a temperature of up to 90&#xb0; C.; and (d) treating the precipitate with a mixture of a third titanium compound and at least one third solvent at 90-150&#xb0; C. to form a solid catalyst component.

Process of polymerization catalyst production with controlled catalyst properties and use of same in olefin polymerizations

A mass spectrometer for analyzing a sample may include an analysis chamber for analyzing the sample and a first vacuum pump operably connected to the analysis chamber, wherein the first vacuum pump operates to create a first vacuum state. The mass spectrometer may also include a sample-preparation chamber operably connected to the analysis chamber and a second vacuum pump that operates to create a second vacuum state, wherein the first vacuum state is a lower pressure than the second vacuum state. The second vacuum pump may be operably connected to the first vacuum pump in a first configuration, and the second vacuum pump may be operably connected to the sample-preparation chamber in a second configuration.

Chemical analysis instrument with multi-purpose pump

Methods, devices, and systems are disclosed for releasing a sample from a carrier medium. A method of releasing a sample from a carrier medium comprises treating a sample on a carrier medium with a first organic reagent, wherein when the sample contains at least one inorganic salt, the first organic reagent binds to a cation of the inorganic salt to produce both a first volatile compound and an isolated anion of the inorganic salt; treating the sample on the carrier medium with a second organic reagent, wherein the second organic reagent reacts with the isolated anion to produce a second volatile compound; and releasing the treated sample from the carrier medium, wherein when the first and the second volatile compounds are produced, the releasing step releases at least one of the first and second volatile compounds from the carrier medium.

Method for detecting organic and inorganic explosives

The present invention provides methods for transforming monocot plants via a simple and rapid protocol, to obtain regenerated plants capable of being planted to soil in as little as 4-8 weeks. Associated cell culture media and growth conditions are also provided, as well as plants and plant parts obtained by the method. Further, a method for screening recalcitrant plant genotypes for transformability by the methods of the present invention is also provided. Further, a system for expanding priority development window for producing transgenic plants by the methods of the present invention is also provided.

Methods for rapidly transforming monocots

A method of making a solid catalyst component for production of a polyolefin, including the steps of: a) dissolving a halide-containing magnesium compound in a mixture including alkylepoxide, an organic phosphorous compound, a carboxylic acid or anhydride, and a hydrocarbon solvent to form a homogenous solution; b) optionally treating the homogeneous solution with a halogenating agent; c) treating the homogenous solution with a first titanium halide compound in the presence of a surface modifier and optionally a first electron donor to form a solid precipitate, wherein, if present, the first electron donor is an ether; d) optionally treating the solid precipitate with a second electron donor; and e) treating the solid precipitate with a second titanium halide compound and optionally with a second electron donor to form the solid catalyst component.

Process for preparing spherical polymerization catalyst components for use in olefin polymerizations

A chemical pre-concentrator includes a conduit defining a flow path between two ends and having a heating element disposed within the conduit, such that the heating element has at least one sorbent material deposited directly on at least a portion of a conductive surface of the heating element. Some such heating elements are in the form of electrically conductive strips defining both a plurality of apertures through the strip and a series of undulations spaced along the flow path.

Introducing an analyte into a chemical analyzer

Solid catalyst components for use in olefin polymerization, systems incorporating the same, methods of producing the same, and methods of use are disclosed. The solid catalyst components are formed by (a) dissolving a magnesium compound and an auxiliary intermediate electron donor in at least one first solvent to form a solution; (b) contacting a first titanium compound with said solution to form a precipitate of the magnesium compound and the first titanium compound; (c) washing the precipitate with a mixture of a second titanium compound and at least one second solvent and optionally an electron donor at a temperature of up to 90&#xb0; C.; and (d) treating the precipitate with a mixture of a third titanium compound and at least one third solvent at 90-150&#xb0; C. to form a solid catalyst component.

Systems and methods for automatic gain control in mass spectrometers are disclosed. An exemplary system may include a mass spectrometer, comprising a lens configured to receive a supply of ions, and a mass analyzer. The mass analyzer may include an ion trap for trapping the supplied ions. The mass analyzer may also include an ion detector for detecting ions that exit the ion trap. The lens may focus the ions non-uniformly based on mass of the ions to compensate for space charge effects reflected in a measurement output of the mass spectrometer.

Mass dependent automatic gain control for mass spectrometer

A chemical analysis system is disclosed wherein, in evacuating a preconcentrator housing () prior to desorption, a pump system () reduces an internal pressure of the preconcentrator housing to a level substantially equal to an internal pressure of a chemical analyzer such that flow restrictors and/or membranes () between the chemical analyzer () and the preconcentrator housing () may be omitted. The chemical analysis system includes a chemical analyzer (), a preconcentrator housing () coupled to the chemical analyzer, the preconcentrator housing enclosing a temperature control element () and a sorbent material (), the temperature control element configured to heat the sorbent material to adsorb or desorb a chemical of interest; and a pump system () coupled to the preconcentrator housing and the chemical analyzer, the pump system configured to evacuate the preconcentrator housing prior to desorption of the chemical of interest.

Preconcentrating a sample in a preconcentrator evacuated to substantially the same pressure as an analytical device

Solid catalyst particles for use in olefin polymerization, olefin polymerization catalyst systems containing the solid catalyst particles, methods of making the solid catalyst particles and the catalyst systems, and methods of polymerizing and copolymerizing olefins involving the use of the catalyst systems. The method of preparing the solid catalyst particles includes steps of maintaining a mixture of reactants at a temperature of about 5&#xb0; C. to about 35&#xb0; C. for at least 2 hours; increasing the temperature of said mixture to a temperature of about 40&#xb0; C. to about 50&#xb0; C. over a period of at least 3 hours; and increasing the temperature of said mixture to a temperature of about 80&#xb0; C. to about 90&#xb0; C.

Process of production of large and spherical polymerization catalyst and use of same in olefin polymerizations

In one general aspect, a sample is transferred into a mass spectrometer by capturing a sample on a collector, inserting the collector into a sample chamber coupled to the mass spectrometer and a vacuum pump, evacuating the sample chamber using the vacuum pump to reduce an internal pressure of the sample chamber to a level less than atmospheric pressure, heating the collector to release the sample from the collector, and introducing the sample into the mass spectrometer from the evacuated sample chamber.

Evacuating a sample chamber

Systems and methods are disclosed for calibrating mass spectrometers. In accordance with one implementation, a system comprises a calibrant chamber within a housing of a mass spectrometer. The system also comprises a permeation tube enclosed within the calibrant chamber, wherein the tube contains a calibrant chemical that continuously outgasses the calibrant chemical. The outgassed calibrant chemical may be introduced to the mass spectrometer for analysis. The system may also comprise a heating block to control the temperature of the calibrant chemical. The system may further comprise a valve that introduces a known amount of the calibrant chemical into the calibrant chamber. In accordance with the present disclosure, systems and methods are provided for calibrating a mass spectrometer abundance scale.

Systems and methods for calibrating mass spectrometers

Growing community of inventors

Mystic, CT, United States of America

Michael Spencer