Abstract: A supercapacitor has a first electrode, a second electrode, a first ionic carrier configured to contact the first electrode to provide a first ion-conductive pathway for transportation of ions to and from the first electrode, and a first retaining layer configured to retain the first ionic carrier between the first electrode and the first retaining layer. The supercapacitor also has an electrolyte dispersed between the first and the second electrodes to provide the ions, a first current collector configured to contact the first electrode and a second current collector configured to contact the second electrode. A method for making the supercapacitor is also presented.

Abstract: A method is provided, comprising: copolymerizing a monomer comprising at least two amide groups, a monomer of formula (a) and a sulfonic acid or salt monomer, wherein R1 is CH3 or H. A polymer made by the method, a membrane and an electrode comprising the polymer are provided.

Abstract: A bi-polar electrode having ion exchange polymers on opposite faces of a porous substrate is formed using a method that includes providing an electrode substrate with activated carbon layers on opposite faces of the electrode substrate, wherein said faces have an outer perimeter band void of the activated carbon layers. Gaskets are placed against the outer perimeter band of the electrode substrate void of activated carbon and the electrode substrate is clamped between two rigid plates to form a first airtight chamber on one side of the electrode substrate and a second airtight chamber on the opposite side of the electrode substrate. A first polymerizable monomer mixture having an anion exchange group is added into the first chamber and a second polymerizable monomer mixture having a cation exchange group is added into the second chamber. The first and second polymerizable monomer mixtures are then polymerized in an oven.

Abstract: A spiral flow water treatment apparatus including: a core collector comprising a first portion and a second portion; a spacer spirally wound around the core collector; a separator spirally wound around the core collector and alternately with the spacer; a first spiral flow conduit located outside the separator, connected with the first portion, and decreasing in volume thereof from far to close to the core collector; and a second spiral flow conduit located within the separator, in fluid communication with the first spiral flow conduit, and connected to the second portion.

Abstract: A method includes transmitting, by a first station to an access point, a direct link setup request message destined for a second station, where the direct link setup request message is used to request setup of a direct link between the first station and the second station, receiving, by the first station from the access point, a direct link setup response message point, where the direct link setup response message includes a first key information, and where the first key information is used to perform a secure transmission for service data transmitted in the direct link between the first station and the second station, and transmitting, by the first station to the second station over the direct link, a first direct link setup confirm message, where the first direct link setup confirm message is used to indicate that the first station has received the first key information.

Abstract: A membrane comprises: a porous base membrane; a polyol layer comprising polyols and a metalorganic compound; and a polyamide film layer sandwiched between the porous base membrane and the polyol layer. A method of making the membrane is also described.

Abstract: The invention is a device comprising a substrate and a material provided on at least a portion of the substrate and having an exposed surface. The exposed surface of the material is non bio-adhesive. The invention further includes a non bio-adhesive material composition and a method of making a device having the same non bio-adhesive surface. The invention further provides a device having a coating of a hydrophobic material. In particular, the hydrophobic material coated portion of the device is resistant to bio-adhesion.

Abstract: A composition includes a first probe, a first initiator component bonded to the first probe, a second probe, and a second initiator component bonded to the second probe. The first probe and the second probe are capable of binding to a single analyte, and the first initiator component and the second initiator component are capable of forming an initiator when present in proximity to each other and when the first probe and the second probe are bonded to the analyte. An associated kit, device, and method are provided.

Abstract: A composition includes a first probe and a first initiator bonded to the first probe. The first probe is capable of binding to an analyte and the first initiator is capable of initiating a controlled polymerization reaction. An associated kit, device, and method are provided.

Abstract: The composition includes a first probe and a first initiator bonded to the first probe. The composition further includes a second probe and a second initiator bonded to the second probe. The first probe and the second probe are capable of binding to a single analyte. An associated kit, device, and method are provided.

Abstract: A composition includes a first probe capable of binding to a first analyte and a first initiator bonded to the first probe. The composition further includes a second probe capable of binding to a second analyte and a second initiator bonded to the second probe. At least one of the first initiator or the second initiator is capable of initiating a controlled polymerization reaction. An associated kit, device, and method are provided.

Abstract: The invention relates to a polymer comprising structural units of formula and formula wherein R1, R2, R5 and R6 are independently hydrogen, a methyl group, or —COOH, only one of R1 and R2 or R5 and R6 is —COOH; R3 and R7 are independently hydrogen, or a methyl group; R4 is —COOH, —CONH2 or —OH, when R4 is —OH, R1, R2 and R3 are respectively hydrogen; and R8 is —COO, —CONH, or —O—, when R8 is —O—, R5, R6 and R7 are respectively hydrogen. Methods for preparing and using the polymer are also described herein.

Abstract: The present invention provides a central core element a reverse osmosis separator assembly useful in the purification of fluids. The central core element comprises an outer exhaust conduit defining an inner volume and a gap starting at a first end thereof the outer exhaust conduit and extending towards a second end of the outer exhaust conduit, and an inner porous exhaust conduit comprising a first section disposed within the inner volume defined by outer exhaust conduit and a second section configured to abut and seal the first end of the outer exhaust conduit. The outer exhaust conduit is configured to accommodate a first portion of a membrane stack assembly within the inner volume and a second portion of the membrane stack assembly disposed as a multilayer membrane assembly on an outer surface of the outer exhaust conduit.

Abstract: A composition includes a first probe capable of binding to a first analyte and a first initiator bonded to the first probe. The composition further includes a second probe capable of binding to a second analyte and a second initiator bonded to the second probe. At least one of the first initiator or the second initiator is capable of initiating a controlled polymerization reaction. An associated kit, device, and method are provided.

Abstract: The present invention provides a composite membrane comprising a porous base membrane and a polyamide coating disposed on said porous base membrane, said polyamide coating comprising a C3-C8 cyclic carbonyl compound and a C1-C8 amide compound, said amide compound comprising at least one N—H moiety. In addition the present invention provides a method of preparing a composite membrane comprising contacting under interfacial polymerization conditions an organic solution comprising a polyacid halide with an aqueous solution comprising a polyamine, said contacting being carried out on a surface of a porous base membrane, said organic solution further comprising a C3-C8 cyclic carbonyl compound, said aqueous solution comprising a C1-C8 amide compound, said amide compound comprising at least one N—H moiety.

Abstract: The present invention provides a method and apparatus for fabricating a separator assembly. The method comprises: providing a central core element comprising at least one concentrate exhaust conduit and at least one permeate exhaust conduit; disposing a first portion of a membrane stack assembly comprising a permeate carrier layer, a membrane layer, and a feed carrier layer within the central core element such that the concentrate exhaust conduit and permeate exhaust conduit are separated by the first portion of the membrane stack assembly; radially winding a second portion of the membrane stack assembly around the central core element; and sealing the wound assembly comprising two opposing end surfaces made of the membrane stack assembly by applying an adhesive on both end surfaces of the wound assembly; and applying a negative pressure inside the central core element so that the adhesive penetrates into the membrane stack assembly.

Abstract: A method for cross-linking a styrenic polymer, the method comprising providing a partly sulphonated styrenic polymer and cross-linking the partly sulphonated styrenic polymer in the presence of a polyphosphoric acid.

Abstract: A bi-polar electrode having ion exchange polymers on opposite faces of a porous substrate is formed using a method that includes providing an electrode substrate with activated carbon layers on opposite faces of the electrode substrate, wherein said faces have an outer perimeter band void of the activated carbon layers. Gaskets are placed against the outer perimeter band of the electrode substrate void of activated carbon and the electrode substrate is clamped between two rigid plates to form a first airtight chamber on one side of the electrode substrate and a second airtight chamber on the opposite side of the electrode substrate. A first polymerizable monomer mixture having an anion exchange group is added into the first chamber and a second polymerizable monomer mixture having a cation exchange group is added into the second chamber. The first and second polymerizable monomer mixtures are then polymerized in an oven.

Abstract: An electrochemical device comprises an electrochemical cell. The electrochemical cell comprises a composite cation-exchange member including a conductive base and a cation-exchange material in physical contact with the conductive base, a composite anion-exchange member including a conductive base and an anion-exchange material in physical contact with the conductive base; and a compartment between the composite cation-exchange and anion-exchange members. The compartment comprises an inlet for introducing a feed stream, and an outlet for exiting of an output stream out of the compartment. The electrochemical device comprises a control device configured to transmit an electrical current to the composite cation-exchange and anion-exchange members at a regeneration stage in a manner that the conductive base on the composite cation-exchange member loses electrons and the conductive base on the composite anion-exchange member gains electrons.

Abstract: A method includes binding a probe to an analyte present in a sample, wherein the probe comprises a binder bonded to a metal particle that is capable of releasing metal ions when contacted with a reagent solution. The method includes contacting the metal particle with the reagent solution to release the metal ions, and observing an optical signal from the released metal ions to determine a presence or amount of the analyte in the sample. An associated kit is also provided.