Wenxi
Wenxi Fan, Urumqi CN
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20160039845 | BIS-B-CARBOLINE COMPOUND AND PREPARATION METHOD, PHARMACEUTICAL COMPOSITION AND USE THEREOF - Disclosed in the present invention are a bis-β-carboline compound and a preparation method, a pharmaceutical composition and the use thereof. In particular, the bis-β-carboline compound and a pharmaceutical salt thereof are described as general formula I, and the bis-β-carboline compound is prepared through the condensation of β-carboline intermediate and dihaloalkane. Also disclosed in the present invention are a pharmaceutical composition comprising an effective dose of the bis-β-carboline compound as shown in formula I and a pharmaceutically acceptable carrier, and the use of the bis-β-carboline compound in preparing drugs resistant to tumours such as melanoma, stomach cancer, lung cancer, breast cancer, kidney cancer, liver cancer, oral epidermoid carcinoma, cervical cancer, ovarian cancer, pancreatic cancer, prostate cancer, and colon cancer. | 02-11-2016 |
Wenxi Huang, Eugene, OR US
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20110226995 | COMPOSITIONS AND METHODS FOR FUNCTIONALIZING OR CROSSLINKING LIGANDS ON NANOPARTICLE SURFACES - This disclosure provides novel ways to modify/functionalize, including crosslink, ligands in the surface coating or molecules in other coatings on a nanoparticle, by using radical addition reactions to add a reactant group onto a ligand/molecule of a nanoparticle. Examples include using a functionalized benzophenone that can be attached or crosslinked to a ligand in the surface coating of a nanocrystal by photochemically-initiated radical addition. | 09-22-2011 |
20130295586 | PREPARATION OF NANOCRYSTALS WITH MIXTURES OF ORGANIC LIGANDS - Semiconductor nanocrystals prepared using a mixture of organic ligands (e.g., oxoacids), as well as compositions, kits, and methods of using such semiconductor nanocrystals are disclosed. | 11-07-2013 |
Wenxi Yao, Hang Zhou CN
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20140167674 | SYSTEM FOR DETERMINING A MAGNETIZING CURVE AND ROTOR RESISTANCE OF AN INDUCTION MACHINE AND METHOD OF MAKING SAME - A system for identifying magnetizing inductance and rotor resistance of an induction machine comprises an induction machine comprising a rotor and a stator, a DC voltage bus, and a DC-to-AC voltage inverter coupled to the DC voltage bus and to the induction machine. The system also comprises a controller configured to cause the DC-to-AC voltage inverter to apply a square-wave excitation to a plurality of phases of the induction machine, determine a stator resistance of the stator of the induction machine based on the square-wave excitation, and determine a rotor resistance of the rotor of the induction machine based on the square-wave excitation. The controller is also configured to calculate a magnetizing curve for the induction machine based on the stator and rotor resistances and control the induction machine to operate based on the magnetizing curve. | 06-19-2014 |
20150236631 | SYSTEM AND METHOD OF ROTOR TIME CONSTANT ONLINE IDENTIFICATION IN AN AC INDUCTION MACHINE - A system and method for determining a rotor time constant of an AC induction machine is disclosed. During operation of the induction motor, a flux signal is injected into a rotor flux command so as to generate a time-variant rotor flux. A voltage-current flux observer determines amplitudes of rotor flux variations resulting from the time-variant rotor flux, with the amplitudes of the rotor flux variations comprising an amplitude of a rotor flux variation based on a current model of the voltage-current flux observer and an amplitude of a rotor flux variation based on a combined voltage-current model of the voltage-current flux observer. A rotor time constant of the induction motor is then estimated based on the determined amplitudes of the rotor flux variations. | 08-20-2015 |