Abstract: An anti-polish ring for an internal combustion engine is provided. The anti-polish ring includes an axially extending ring portion that is configured to scrape a top portion of a piston in a cylinder liner. The anti-polish ring is configured to accommodate passage of an intake or exhaust valve thereby. The anti-polish ring may include an alignment feature so that the anti-polish ring is inserted in a predetermined orientation in the cylinder. The anti-polish ring may include a heat shield and/or a seating member.

Abstract: Systems, methods, and apparatus allow for capturing the results of drug tests using mobile devices. One or more implementations include apparatus that interface a mobile computing device with a drug test, while ensuring that an imaging device of the mobile computing device is optically aligned with a test display areas of the drug test. One or more additional implementations include a method for analyzing drug testing results. The method includes receiving and analyzing drug testing data, which includes an identification of a type drug testing apparatus being used at a remote testing device, and an image that visually represents a portion of a drug test. The method also includes analyzing the test results of the drug test based on the identification of the type drug testing apparatus.

Abstract: Systems, methods, and apparatus allow for capturing the results of drug tests using mobile devices. One or more implementations include apparatus that interface a mobile computing device with a drug test, while ensuring that an imaging device of the mobile computing device is optically aligned with a test display areas of the drug test. One or more additional implementations include a method for analyzing drug testing results. The method includes receiving and analyzing drug testing data, which includes an identification of a type drug testing apparatus being used at a remote testing device, and an image that visually represents a portion of a drug test. The method also includes analyzing the test results of the drug test based on the identification of the type drug testing apparatus.

Abstract: Systems, methods, and apparatus allow for capturing the results of drug tests using mobile devices. One or more implementations include apparatus that interface a mobile computing device with a drug test, while ensuring that an imaging device of the mobile computing device is optically aligned with a test display areas of the drug test. One or more additional implementations include a method for analyzing drug testing results. The method includes receiving and analyzing drug testing data, which includes an identification of a type drug testing apparatus being used at a remote testing device, and an image that visually represents a portion of a drug test. The method also includes analyzing the test results of the drug test based on the identification of the type drug testing apparatus.

Abstract: Systems, methods, and apparatus allow for capturing the results of drug tests using mobile devices. One or more implementations include apparatus that interface a mobile computing device with a drug test, while ensuring that an imaging device of the mobile computing device is optically aligned with a test display areas of the drug test. One or more additional implementations include a method for analyzing drug testing results. The method includes receiving and analyzing drug testing data, which includes an identification of a type drug testing apparatus being used at a remote testing device, and an image that visually represents a portion of a drug test. The method also includes analyzing the test results of the drug test based on the identification of the type drug testing apparatus.

Abstract: A cathode shield can comprise a shield body, a pair of tabs for defining a focal spot length, and a lip for concentrically aligning the cathode shield relative to a mounting element and/or an electron source of a cathode assembly. The tabs may be integral with the shield body and spaced a distance apart from each other. The distance may at least partially define the focal spot length of the electron source associated with the cathode assembly. The lip may also be integral with the shield body and extend from the shield body around at least a portion of a perimeter of the shield body so as to define a recess that is configured to receive the mounting element of the cathode assembly.

Abstract: A cathode shield comprising a shield body and tabs for defining a focal spot length. The tabs can be integral with the shield body and spaced a distance apart from each other. The tabs can at least partially define the focal spot length of an electron source associated with a cathode shield. The cathode shield can further comprise means for positioning the cathode shield relative to a component in a cathode assembly.

Abstract: This invention is directed to an optically-based method and system for analyte detection using solid phase immobilization, specific analyte labels adapted for signal generation and corresponding processes for the utilization thereof. The enumeration detection method disclosed herein narrows the area for signal observation, thus, improving detectable signal to background ratio. The system is comprised of a platform/support for immobilizing a sample stage having a labeled sample (analyte complex) bound thereto, a radiation source, an optical apparatus for generating and directing radiation at said sample and a control that obtains data and then conducts analyses using digital image data. Upon engagement of the system, the sample generates a signal capable of differentiation from background signal, both of which are collected and imaged with a signal detector that generated a sample image to a data processing apparatus.

Abstract: Devices and methods for performing assays to determine the presence or quantity of a specific analyte of interest in a fluid sample. In devices according to this invention two separate flow paths are established sequentially in the device with a single user activation step. The first flow path delivers the analyte of interest (if present in the sample) and conjugate soluble binding reagents to the solid phase. If analyte is present, an analyte:conjugate complex is formed and immobilized. The volume of sample delivered by this first path is determined by the absorbent capacity of the solid phase, and not by the amount of sample added to the device, relieving the user from the necessity of measuring the sample. The sample/conjugate mixture is prevented from entering the second flow path because the capillarity and the surface energy of the second flow path prevent it from being wetted by this mixture.

Abstract: Invention performs an assay to determine presence or quantity of specific analyte in fluid sample. Representative device has two separate flow paths established sequentially in device with a single user activation step. First flow path delivers sample, and conjugate soluble binding reagents to solid phase. If analyte is present, an analyte:conjugate complex is formed and immobilized. Sample volume delivered by first path determined by absorbent capacity of solid phase, and not by amount of sample added to device. User need not measure sample volume. Sample/conjugate mixture is prevented from entering second flow path because capillary and surface energy of second flow path prevent it from being wetted by this mixture. Second flow path allows wash reagent to remove unbound conjugate and sample from solid phase to the absorbant, and optionally deliver detection reagents.

Abstract: Disclosed are devices and methods for performing an assay which determines the presence or quantity of an analyte in a fluid sample by detecting binding of the analyte to at least one immobilized analyte capture reagent and washing unbound material from the immobilized analyte capture reagent. The devices and methods an elongated solid phase flow matrix, including capillary channels capable of driving capillary fluid movement, and further including (i) a first region adapted for receipt of the fluid sample, (ii) a second region at which the analyte capture reagent is immobilized, (iii) a third region for application of a wash reagent capable of removing unbound substances from the second region; and (iv) an absorbent reservoir of high volume capacity. The second region is positioned intermediate to the first region and the third region and intermediate to the absorbent reservoir and the third region. The device also includes means to detect analyte bound at the second region.

Abstract: Disclosed are devices and methods for performing an assay which determines the presence or quantity of an analyte in a fluid sample by detecting binding of the analyte to at least one immobilized analyte capture reagent and washing unbound material from the immobilized analyte capture reagent. The devices and methods an elongated solid phase flow matrix, including capillary channels capable of driving capillary fluid movement, and further including (i) a first region adapted for receipt of the fluid sample, (ii) a second region at which the analyte capture reagent is immobilized, (iii) a third region for application of a wash reagent capable of removing unbound substances from the second region; and (iv) an absorbent reservoir of high volume capacity. The second region is positioned intermediate to the first region and the third region and intermediate to the absorbent reservoir and the third region. The device also includes means to detect analyte bound at the second region.

Abstract: Disclosed are assay systems, kits, and methods for performing an assay which determines the presence or quantity of an analyte in a fluid sample by detecting binding of the analyte to at least one immobilized analyte capture reagent and washing unbound material from the immobilized analyte capture reagent. An elongated solid phase flow matrix includes: (i) a first region adapted for receipt of the fluid sample, (ii) a second region at which the analyte capture reagent is immobilized, (iii) a third region for application of a liquid wash and/or detector reagent capable of removing unbound substances from the second region; and (iv) an absorbent reservoir of high volume capacity. The second region is positioned between the first region and the third region and between the absorbent reservoir and the third region. The device also includes means to detect analyte bound at the second region.

Abstract: Disclosed are devices and methods for performing an assay which determines the presence or quantity of an analyte in a fluid sample by detecting binding of the analyte to at least one immobilized analyte capture reagent and washing unbound material from the immobilized analyte capture reagent. The devices and methods an elongated solid phase flow matrix, including capillary channels capable of driving capillary fluid movement, and further including (i) a first region adapted for receipt of the fluid sample, (ii) a second region at which the analyte capture reagent is immobilized, (iii) a third region for application of a wash reagent capable of removing unbound substances from the second region; and (iv) an absorbent reservoir of high volume capacity. The second region is positioned intermediate to the first region and the third region and intermediate to the absorbent reservoir and the third region. The device also includes means to detect analyte bound at the second region.

Abstract: A garage door operator includes a head unit held by a supporting structure remote from the garage door. A rail has a first end held by a supporting structure adjacent the door and a second end fixed adjacent to and in alignment with a toothed drive wheel carried by the head unit. The garage door operator further includes an endless drive belt assembly trained about the drive wheel and a pulley held by the rail adjacent the garage door. The belt assembly includes a length of a plastic belt having teeth on one surface thereof matching the teeth on the drive wheel. The belt assembly further includes a trolley for connection to the garage door and a connector for joining one end of the plastic belt to one end of the trolley. The plastic belt has a lower surface to which the belt teeth extend, and the drive wheel has an upper surface to which the wheel teeth extend.