Abstract:
A device is used to determine the presence of and the amount (depth) of visual suppression in a subject. The device includes a first light source emitting a first light and a second light source emitting a second light. Intensities of the light sources are independently controllable. A first filter disposed over one eye of the subject allows transmission of the first light and prevents transmission of the second light. A second filter disposed over the other eye of the subject allows transmission of the second light and prevents transmission of the first light. In a method of using the device, the intensity of at least one of the first and second lights is independently controlled, wherein the difference in intensities of the first and second lights at which the lights appear to be at equal brightness to the subject determines the amount of visual suppression in the subject.
Abstract:
A flow controller for use with a liquid chromatography detector. The flow controller includes a flow channel comprising an inlet portion, a control channel portion in communication with the inlet portion, and an outlet portion in communication with said control channel portion. The control channel portion has a cross-sectional area smaller than a cross-sectional area of a drift tube of the liquid chromatography detector for channeling the flow of droplets through the smaller cross-sectional area. The flow controller is shaped and sized to reduce pressure fluctuations and turbulence in the droplet stream of the liquid chromatography detector
Abstract:
The invention provides PEDF peptides which retain the biological activity of full-length PEDF. Fusion proteins comprising a PEDF peptide are also provided. The invention further provides a codon-optimized PEDF coding sequence and method of expressing it in bacteria. Compositions, methods of use and kits are also provided.
Abstract:
A method of sintering a ZrB 2 - SiC composite body at ambient pressures, including blending a first predetermined amount Of ZrB 2 powder with a second predetermined amount of SiC powder, wherein both powders are characterized by the presence of surface oxide impurities. Next the blended powders are mixed to yield a substantially homogeneous powder mixture and a portion of the substantially homogeneous powder mixture is formed into a green body. The body is fired to a first temperature, wherein substantially all surface oxide impurities are reduced and/or volatilized to substantially eliminate oxides from the green body, and the body is heated to a second temperature and sintered to yield a composite body of at least about 99 percent theoretical density and characterized by SiC whisker-like inclusions distributed substantially evenly in a ZrB 2 matrix.
Abstract:
The present invention generally relates to detection of carbohydrate biomarkers in nipple aspirate fluid samples. One aspect of the invention is a method for assaying a nipple aspirate fluid for the presence of TF or Tn carbohydrate biomarker. The assay generally employs an immobilized capture agent specific for TF or Tn and can be further coupled to either direct or indirect detection of bound TF or Tn carbohydrate biomarker through the use of a labeled binding agent.
Abstract:
The invention provides methods for identifying a genetic polymorphism associated with altered milk production traits in dairy cattle. Genetic marker-assisted selection methods provided by the invention allow avoidance of potentially costly phenotypic testing and inaccuracies associated with traditional breeding schemes and improvement of dairy cattle herds.
Abstract:
The field of invention generally relates to increasing the efficiency of in vitro fertilization by decreasing the rate of polyspermy. One aspect of the invention provides a method of reducing polyspermy in in vitro fertilization by forming an in vitro fertilization mixture that contains osteopontin, oocytes, and sperm, and allowing fertilization of the oocyte by sperm. Another aspect of the invention provides an aqueous mixture for in vitro fertilization that contains osteopontin, oocytes, and sperm.
Abstract:
A composition comprising a plurality of cell aggregates for use in the production of engineered organotypic tissue by organ printing. A method of making a plurality of cell aggregates comprises centrifuging a cell suspension to form a pellet, extruding the pellet through an orifice, and cutting the extruded pellet into pieces. Apparatus for making cell aggregates comprises an extrusion system and a cutting system. In a method of organ printing, a plurality of cell aggregates are embedded in a polymeric or gel matrix and allowed to fuse to form a desired three-dimensional tissue structure. An intermediate product comprises at least one layer of matrix and a plurality of cell aggregates embedded therein in a predetermined pattern. Modeling methods predict the structural evolution of fusing cell aggregates for combinations of cell type, matrix, and embedding patterns to enable selection of organ printing processes parameters for use in producing an engineered tissue having a desired three-dimensional structure.
Abstract:
A solid substrate comprising a surface comprising an achiral array of atoms having thereupon a chiral metal oxide surface. Said substrate is produced by electrodeposition of a chiral metal oxide array from a solution of a chiral salt of said metal onto an achiral array of atoms of high symmetry on said surface. A method comprising electrochemically oxidizing an organic molecule comprising at least one chiral centre by oxidizing said organic molecule with an electrode comprising the solid substrate having a surface of the same chirality as said chiral centre under conditions so as to selectively oxidize said organic molecule in the presence of at least one of its enantiomers having opposite chirality at said chiral centre.
Abstract:
A coating composition comprising an effective corrosion-inhibiting amount of a rare earth compound, a neutral to slightly acidic generating extender or an acidic generating extender, or combinations thereof is provided. In one embodiment, the corrosion-inhibiting components are combined with other components such as extenders, amino acids and amino acid derivatives, gelatin and gelatin derivatives, organic-based exchange resins, and combinations thereof, to enhance the corrosion resistance of the resultant coating film. The coating compositions have good adhesion to substrates such as metals, including aluminum and aluminum alloys.