Abstract: A flexible electrostatographic imaging belt comprising a support layer, a coating including a film forming polymer, and a permanent skewed seam. The electrostatographic imaging belt may be fabricated by providing a sheet having a parallelogram shape with slanted ends, the sheet having a first major exterior surface opposite and parallel to a second major exterior surface, overlapping an edge of the first major exterior surface adjacent a first of the slanted ends onto an edge of the second major exterior surface of adjacent a second slanted of the ends to form a skewed seam, and securing the ends to each other to form a permanent skewed seam. This skewed seam electrostatographic imaging belt may be used in an electrostatographic imaging process.

Abstract: Disclosed are discreet functionally translocatable DNA segments, termed Sterol Regulatory Elements (SRE's) , which are fused to heterologous structural genes to provide sterol regulatory capability to the thus formed hybrid gene. The hybrid genes respond to sterols by decreasing the production of messenger RNA. The SRE segments contain as their primary functional nucleotide sequence, a 16 bp sequence referred to as direct repeats 2, isolated from the 5' regions of the human LDL receptor gene. DNA segments which include this 16 nucleotide long sequence similarly confer sterol regulatory capability to previously known promoters such as the HSV TK promoter. Also disclosed are discreet sequences which confer positive transcription promotion to heterologous structural genes and promoters without conferring sterol responsivity. Methods are disclosed for employing these genetic control elements in a myriad of embodiments which provide for a fine-tune control of heterologous genes.

Abstract: A communications system is provided having SONET communications channels extending between first and second locations. The channels include pairs of forward and reverse channels for carrying traffic in normal operation between first and second locations and a protection channel for carrying traffic of one channel in the event of a fault. Each pair of forward and reverse channels is provided on a shelf at each location, the shelves having the same relative position at both locations and the protection channel is provided on a protection shelf. The protection channel includes, between the first and second locations, a forward optical link and a reverse optical link and at each of the first and second locations, a single protection loop, coupling the forward and reverse optical links, that forms the protection channel.

Abstract: Novel fusions of a phospholipid anchor domain and a polypeptide heterologous to the anchor domain donor polypeptide are provided for industrial use. Therapeutic administration of the fusions enables the targeting of biological activity to cell membrane surfaces.

Abstract: Novel fusions of a phospholipid anchor domain and a polypeptide heterologous to the anchor domain donor polypeptide are provided for industrial use. Therapeutic administration of the fusions enables the targeting of biological activity to cell membrane surfaces.

Abstract: The activity of growth-associated receptors is modulated in vivo in a controlled and reproducible fashion by immunizing animals against target growth-associated receptors. This is accomplished by the use of immunogens predetermined to induce primarily agonist or antagonist responses. The immunogens include anti-ligand antibodies and receptor derivatives.

Abstract: An arrangement for aligning single-track magnetic record/reproduce heads in magnetic tape transports in both azimuth (skew alignment) and track position (vertical alignment) employs a single test tape. Dual test tracks within the width of a single head contain prerecorded blocks of pulses of alternating polarity, respectively uniformly and nonuniformly spaced. The nonuniformly spaced pulses are increasingly separated from each other in each block from a value below to a value above, and passing through, the uniform spacing of the other track. Reading the two tracks simultaneously from the head being aligned mixes the separate pulse trains to form a wave pattern with a symmetrically centered null in each block when the head is properly aligned and a nonsymmetrically located null of varying depth when the head is improperly aligned. It is unnecessary to move the head while the type and degree of misalignment is being determined. Alignment adjustment can be performed while the test tape is being read.