Abstract: Several strains of arabinose-utilizing Zymomonas were engineered to express an arabinose-proton symporter which was found to provide the strains with improved ability to utilize arabinose. These strains have improved ethanol production in media containing arabinose, either as the sole carbon source or as one sugar in a mixture of sugars.

Abstract: The invention provides a method for enhancing the properties of polyimide nanowebs, the method comprising subjecting a nanoweb consisting essentially of a plurality of nanofibers of an aromatic polyimide to a temperature at least 50 C.° higher than the imidization temperature thereof for a period of time in the range of 5 seconds to 20 minutes, thereby preparing an enhanced nanoweb. Also provided is a multi-layer article comprising the enhanced nanoweb, and an electrochemical cell comprising the multi-layer article.

Abstract: Disclosed is a polyamide composition including at least one semi-aromatic copolyamide, said semi-aromatic copolyamide consisting essentially of 40 to 60 mole percent repeat units of the formula —C(O)(CH2)4C(O)NHCH2ArCH2NH—??(I) and 40 to 60 mole percent repeat units of the formula —C(O)(CH2)4C(O)NH(CH2)6NH—??(II) wherein Ar is a meta-substituted benzene ring. Also disclosed are molded articles including the polyamide composition.

Abstract: The invention provides a process comprising heating a polyamic acid fiber to a temperature in the range of a first temperature and a second temperature for a period of time in the range of 5 seconds to 5 minutes to form a polyimide fiber, wherein the first temperature is the imidization temperature of the polyamic acid and the second temperature is the decomposition temperature of the polyimide

Abstract: This invention provides a multi-layer article comprising a first electrode material, a second electrode material, and a porous separator disposed between and in contact with the first and the second electrode materials, wherein the porous separator comprises a nanoweb consisting essentially of a plurality of nanofibers of a fully aromatic polyimide. Also provided is a method for preparing the multi-layer article, and an electrochemical cell employing the same. A multi-layer article comprising a polyimide nanoweb with enhanced properties is also provided.

Abstract: Disclosed is a polyamide composition including at least one semi-aromatic copolyamide, said semi-aromatic copolyamide consisting essentially of about 25 to about 55 mole percent repeat units of the formula —C(O)(CH2)mC(O)NHCH2ArCH2NH—??(I) and about 45 to about 75 mole percent repeat units of the formula —C(O)(CH2)mC(O)NH(CH2)nNH—??(II) wherein m is 8, 10, and/or 12, n is 6, 10 and/or 12 and Ar is a meta-substituted benzene ring; and wherein said polyamide has a melting point equal to or less than 225° C. Also disclosed are molded articles including the polyamide composition.

Abstract: A film comprises or is produced from a composition comprising a blend of a polyamide and an organic acid modified ionomer having its acid moiety at least partially neutralized to salts containing a majority of alkali metal ions, and the composition optionally comprises a compatibilizer selected from dicarboxylate-containing polymers, softened ethylene acid copolymers, ethylene glycidyl ester copolymers, or combinations of two or more thereof.

Abstract: A decorative surface appearance in an acrylic material is obtained by applying a flowable crosslinkable acrylic material containing anisotropic particles having an aspect ratio of 3 to a shrinkable support followed by crosslinking to form a solid article.

Abstract: The present invention relates to charge transport compositions. The invention further relates to electronic devices in which there is at least one active layer comprising such charge transport compositions.

Abstract: A photovoltaic module including a frontsheet, a front encapsulant layer, a formable photoactive cell layer, a support layer, and a backside mounting surface. The formable photoactive cell layer includes a flexible substrate and at least a first photoactive cell including a photoactive surface. An orientation of the photoactive surface is different than an orientation of the backside mounting surface. A formable photoactive cell layer including a flexible substrate and an array of photoactive cells. The photoactive cells are spaced apart to form both a photoactive area and a non-photoactive area of the formable photoactive cell layer. The non-photoactive area is sufficiently large to allow the flexible substrate to be shaped to form the formable photoactive cell layer into a non-planar structure.

Abstract: This invention provides an electrochemical cell comprising a housing having disposed therewithin, an electrolyte, and a multi-layer article at least partially immersed in the electrolyte; the multi-layer article comprising a first metallic current collector, a first electrode material in electrically conductive contact with the first metallic current collector, a second electrode material in ionically conductive contact with the first electrode material, a porous separator disposed between and contacting the first electrode material and the second electrode material; and, a second metallic current collector in electrically conductive contact with the second electrode material, wherein the porous separator comprises a nanoweb consisting essentially of a plurality of nanofibers of a fully aromatic polyimide. Also provided is a process for preparing the multi-layer article. Further provided is an electrochemical cell wherein the separator is a polyimide nanoweb with enhanced properties.

Abstract: A backplane for use in an electro-optic display comprises a patterned metal foil having a plurality of apertures extending therethrough, coated on at least side with an insulating polymeric material and having a plurality of thin film electronic devices provided on the insulating polymeric material.

Abstract: The invention relates to a process for treating a water stream produced in the recovery of heavy oil from geological formations comprising.

Abstract: The invention relates to a method for generating calibrated colour data of a target using colour measurement instruments distributed in the network comprising the steps A) generating at least one standard instrument profile for the colour measurement instruments distributed in the network to correct photometric and wavelength scale differences, and B) generating at least one geometry instrument profile for the colour measurement instruments distributed in the network to correct geometry scale differences. The method can be used in applications where colour measurement instrument networks are used, particularly in robotic systems where colour measurement instruments are integrated.

Abstract: A timing controlled converter for converting a time varying input signal to a regulated DC output voltage for application to a load circuit. A feedback loop is employed as a control means for switchably coupling the time varying input signal to the load circuit for controlled periods of time in a manner so as to provide an average load voltage equal to a reference voltage. The duration of the controlled periods of time is a function of: the difference between the time varying input signal and the output voltage; and the integral of the difference between the output voltage and the reference voltage.

Abstract: A driving method for pixels of bistable display is adapted into a bistable display having a plurality of pixels. The driving method comprises: increasing predetermined driving forces of the pixels to increased driving forces in a predetermined period; employing the increased driving forces to drive the pixels in the predetermined period respectively; and employing the predetermined driving forces configured for driving the pixels to drive the pixels out of the predetermined period respectively.

Abstract: A method of forming a photovoltaic cell conductor that comprises steps of, applying on a semiconductor substrate a thick film conductive composition comprising inorganic powders comprising electrically conductive powder, first glass frit and second glass frit, and organic medium, wherein total PbO in the glass frits is 80.5 to 83.5 wt % based on the total weight of the first glass frit and the second glass frit, and firing the thick film conductive composition applied on the semiconductor substrate.

Abstract: A process for the production of a MWT silicon solar cell comprising the steps: (1) providing a p-type silicon wafer with (i) holes forming vias between the front-side and the back-side of the wafer and (ii) an n-type emitter extending over the entire front-side and the inside of the holes, (2) applying a conductive metal paste to the holes of the silicon wafer to provide at least the inside of the holes with a metallization, (3) drying the applied conductive metal paste, and (4) firing the dried conductive metal paste, whereby the wafer reaches a peak temperature of 700 to 900° C., wherein the conductive metal paste has no or only poor fire-through capability and comprises (a) at least one particulate electrically conductive metal selected from the group consisting of silver, copper and nickel and (b) an organic vehicle.

Abstract: The present invention provides a building-integrated solar-panel roof element, such as a photovoltaic (BIPV) roof element, adapted to be fitted with a solar panel and integrated in a pitched roof, as well as such a building-integrated roof element fitted with a photovoltaic or solar thermal panel, and an array of these solar energy roof elements mounted on a pitched roof.

Abstract: The present disclosure is directed to isolated nucleic acid fragments comprising a root-preferred maize NAS2 promoter, a functional fragment thereof, and end-uses and methods utilizing said fragments. Functional fragment NAS2 promoters include those containing the Root Motif 1, the CAAT box, and the TATA box; the Pyrimidine Box, the Pyrimidine-rich Stretch, the QAR, the Root Motif 1, the CAAT box, and the TATA box; and the Pyrimidine Box, the Pyrimidine-rich Stretch, the QAR, the Root Motif 1, and the CAAT box.