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Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
Method for preparation of taxol using .beta.-lactam
Description:
A .beta.-lactam of the formula: ##STR1## wherein R.sub.1 is aryl, substituted aryl, alkyl, alkenyl, or alkynyl; R.sub.2 is hydrogen, acyl, acetal, ethoxyethyl, or other hydroxyl protecting group; and R.sub.3 is aryl, substituted...
Analytical method for protein mapping using hydrogen/deuterium exchange
Description:
Analytical methods using hydrogen/deuterium exchange are provided which reduce or eliminate the back-exchange of deuterium for hydrogen. The methods, which are useful in protein and peptide mapping, include the steps of (a) providing a...
Microjet control for flow and noise reduction in automotive applications
Description:
The present invention comprises a method and associated devices for reducing the noise produced by an open cavity within a moving automobile (such as open sunroofs and open windows). The invention proposes placing microjet orifices...
Apparatus for capillary electrophoresis and associated method
Description:
An apparatus and method for capillary zone electrophoresis includes a polyelectrolyte multilayer positioned in a capillary tube for analytical separations of macromolecules. The capillary comprises a passage defined by passage walls...
A metal alkoxide having the following formula: ##STR1## wherein T.sub.1 is hydrogen or a hydroxy protecting group, Z is --OT.sub.2, or --OCOCH.sub.3, T.sub.2 is hydrogen or a hydroxy protecting group, and M is selected from the group...
Method for small-signal stability assessment of power systems using simultaneous source side and load side perturbations
Description:
A novel method for real-time small-signal stability analysis for power electronic-based components in a power system. The method may be used to monitor a power system in real-time by perturbing the source side of an electronic-based...
Systems and methods for training an active random field for real-time image denoising
Description:
An Active Random Field is presented, in which a Markov Random Field (MRF) or a Conditional Random Field (CRF) is trained together with a fast inference algorithm using pairs of input and desired output and a benchmark error measure.
Method of detecting compromised computers in a network
Description:
A method of detecting a compromised machine on a network. The method receives an email message from a machine on the network and classifies it as either spam or non-spam. A probability ratio is then updated, according to whether the...
Direct conversion of phenols into amides and esters of benzoic acid
Description:
A method is provided for the preparation of an aromatic carboxylic acid aryl ester or an N-aryl aromatic carboxamide. The method comprises contacting an O, O-diaryl thiocarbonate or an O-aryl-N-aryl thiocarbamate with a reactant that...
System and methods for analyzing and modifying passwords
Description:
A system for analyzing and modifying passwords in a manner that provides a user with a strong and usable/memorable password. The user would propose a password that has relevance and can be remembered. The invention would evaluate the...
Different circuit-based implementations of stochastic anti-windup PI controllers are provided for a motor drive controller system. The designs can be implemented in a Field Programmable Gate Arrays (FPGA) device. The anti-windup PI...
Flame retardant composite materials are provided which include at least one first paper which comprises carbon nanofibers and graphite oxide particles. The composite materials may further include at least one second paper which comprises...
Site-specific cleavage of nucleic acids by photoreactive conjugates
Description:
A process of forming a double strand cleavage in DNA includes providing a reaction mixture containing double stranded DNA having a break in a first strand defining a target site in a second strand. The method continues by adding to the...
A deterministic shocker holds a test animal within an enclosure on a grid floor of electrodes such that a controller places a small current across each electrode and measures the electrical resistance of each electrode. The electrode...
Method for functionalization of nanoscale fibers and nanoscale fiber films
Description:
A method is provided for functionalizing nanoscale fibers including reacting a plurality of nanoscale fibers with at least one epoxide monomer to chemically bond the at least one epoxide monomer to surfaces of the nanoscale fibers to...
Indirect detection of cardiac markers for assessing acute myocardial infarction
Description:
Assay systems and methods are provided for detecting a target antigen in a physiological fluid (e.g., blood, serum, or urine). The method includes linking via a first antibody a magnetic microparticle to the target antigen in the...
A method is described for producing an osmotically compacted polyelectrolyte complex having a first region and a second region, the first region having a greater modulus than the second region. The method comprises contacting an article...
System and method for performing tensile stress-strain and fatigue tests
Description:
A stress-strain test for conductors. A test assembly receives first and second conductive layers and a dielectric layer adjacent each of the conductive layers. The layers are generally ring-shaped and concentric when received by the test...
Nanoscale fiber films, composites, and methods for alignment of nanoscale fibers by mechanical stretching
Description:
Methods for aligning nanoscale fibers are provided. One method comprises providing a network of nanoscale fibers and mechanically stretching the network of nanoscale fibers in a first direction. The network of nanoscale fibers is...
A process for preparing N-acyl, N-sulfonyl and N-phosphoryl substituted isoserine esters in which a metal or an ammonium alkoxide is reacted with a &bgr;-lactam.
System and method for leakage current suppression in a low switching frequency photovoltaic cascaded multilevel inverter
Description:
The cascaded multilevel inverter is considered to be a promising topology alternative for low-cost and high-efficiency photovoltaic (PV) systems. However, the leakage current issue, resulting from the stray capacitances between the PV...
Brain implantable electrodes having an increased signal to noise ratio and method for making same
Description:
Herein disclosed are an electrode and a method for making an electrode having an enhanced electrically effective surface providing an increased signal to noise ratio. The electrode having a metal surface selected from gold, tungsten, ...
A process for the preparation of a compound having the formula: ##STR1## in which a compound having the formula: ##STR2## is treated with a base and a silylating agent.
A prosthetic sock for a patient to wear over a residual limb is provided. The prosthetic sock includes an inner layer configured to fit over at least a portion of the residual limb of the patient. A foam layer is disposed on an outer...
Pharmaceutical composition containing bromocryptine and use of same for acquired immunodeficiency states
Description:
The following description refers to a pharmaceutical composition containing bromocryptine and the use of same for the treatment of acquired immunodeficiency states.
Certain alkoxy substituted taxanes and pharmaceutical compositions containing them
Description:
A taxane derivative of the formula ##STR1## wherein R.sub.1 is phenyl or substituted phenyl, PA0 R.sub.3 is CH.sub.3 O--, or CH.sub.3 CH.sub.2 O--, PA0 Z is --OT.sub.1, PA0 T.sub.1 is hydrogen, hydroxyl protecting group, or --COT.sub.2....
Semi-synthesis of taxane derivatives using metal alkoxides and oxazinones
Description:
A process for preparing taxane derivatives taxol by providing a metal alkoxide having the bi, tri-, or tetracyclic taxane nucleus, reacting the metal alkoxide with an oxazinone to form an intermediate, and converting the intermediate to...
A lithium air battery cell includes an anode having lithium, a cathode having a Ag2Mn8O16 catalyst, and an electrolyte comprising a lithium salt. A cathode for a lithium air battery cell and a lithium air battery with a cathode including...
This invention relates to an osmotically compacted polyelectrolyte complex having a first region and a second region, the first region having a greater modulus than the second region and a method for preparing such an article. The...
A structurally reinforced optically transparent panel that may be utilized as a bulletproof window or shield. The panel includes a plurality of angled reinforcement members having a reflective top and bottom surfaces. Optical lenses are...
An enhanced photochemical method of making vitamin D includes irradiating a reaction mixture of precursor molecules with light having a wavelength of 254 nm and with light having a wavelength of 313 nm to produce previtamin D, and is...
Method of preparing free polyelectrolyte membranes
Description:
A releaseable membrane structure for producing a free membrane containing a substrate, a release stratum on the substrate and a membrane stratum on the release stratum. The release stratum and the membrane stratum contain oppositely...
Approximation algorithm for solving a momentum transfer cross section
Description:
The present invention comprises a method for automated, high throughput molecular identification of macromolecular organic compounds. The method may provide an approximate solution to a momentum transfer cross section of an analyte in a...
Apparatus for continuous magnetic separation of components from a mixture
Description:
A magnetic system and apparatus having a multi-dimensional gradient for continuous, on-line separation of components from a mixture of chemical entities which comprises at least one separation chamber with a plurality of channels and a...
System for locating a fault in a power distribution system comprising at least one cogeneration distributed resource
Description:
The present invention provides a system to ensure that distributed resources of a power distribution system remain connected to the circuitry of the power distribution system when a fault occurs at a distributed resource node to assist...
Methods of constructing alkene-based homopolymer polyolefins having reduced crystallinity
Description:
The invention is a novel family of polyolefins characterized by chain-walking defects of the type that add extra backbone carbons per monomer. These polyolefins display a large decrease in crystallinity relative to polyolefins known in...
Materials and methods for detecting interaction of CFTR polypeptides
Description:
The subject invention concerns materials and methods for detecting the interaction of CFTR proteins. In one embodiment, the method can be used to determine whether one CFTR polypeptide interacts with a second CFTR polypeptide. The...
Dipole shim coil for external field adjustment of a shielded superconducting magnet
Description:
An actively shielded superconducting magnet having a dipole shim coil for adjusting and fine-tuning an external or far fringe magnetic field produced by a main coil of the magnet. An active shield coil is coupled to the main coil in...
Methods of treatment using D-serine to target brain cells expressing GluN3 subunit-containing triheteromeric NMDARs are disclosed. The methods include inhibiting calcium ion uptake by brain cells, treating epilepsy, and treating seizures...
Engineered human acidic fibroblast growth factors and associated methods
Description:
An engineered, purified polypeptide of acidic fibroblast growth factor (FGF-1) is described, the amino acid sequence of which consists essentially of SEQ ID NO: 1. The engineered polypeptide provides 70 times the mitogenic activity of...
Method of locating a fault in a power distribution system using a direct current signal of a distributed resource modulated by an alternating current signal
Description:
The present invention provides a method to ensure that distributed resources of a power distribution system remain connected to the circuitry of the power distribution system when a fault occurs at a distributed resource node to assist...
Alkenes as alkyne equivalents in radical cascades terminated by fragmentations
Description:
Disclosed are methods for rerouting radical cascade cyclizations by using alkenes as alkyne equivalents. The reaction sequence is initiated by a novel 1, 2 stannyl shift which achieves chemo- and regioselectivity in the process. The...
Strain sensors are provided that include a flexible substrate, a sheet affixed to the flexible substrate, and two or more microelectrodes printed at spaced locations onto either the sheet or the flexible substrate, wherein the sheet...
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.