Relevant bibliographies by topics / Octal .007

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Academic literature on the topic 'Octal .007'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Octal .007"

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Green, Kyle M., Brian C. Toy, Bright S. Ashimatey, Debarshi Mustafi, Richard L. Jennelle, Melvin A. Astrahan, Zhongdi Chu, et al. "Quantifying Subclinical and Longitudinal Microvascular Changes Following Episcleral Plaque Brachytherapy Using Spectral Domain–Optical Coherence Tomography Angiography." Journal of VitreoRetinal Diseases 4, no. 6 (August 13, 2020): 499–508. http://dx.doi.org/10.1177/2474126420936199.

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Purpose: This work assesses longitudinal microvascular changes in eyes treated with iodine-125 episcleral plaque brachytherapy (EPB). Methods: High-resolution optical coherence tomography angiograms (OCTAs) of the central 3 × 3-mm macula were obtained from iodine-125 EPB–treated and untreated fellow eyes of 61 patients. Previously validated semiautomated algorithms quantified capillary density (vessel skeleton density [VSD]) and caliber (vessel diameter index). Nonperfusion was also quantified as flow impairment region (FIR). Examinations from treated and fellow eyes obtained before treatment and at 6-month, 1-year, and 2-year intervals were compared using generalized estimating equation linear models. Dosimetry maps evaluated spatial correlation between radiation dose and microvascular metrics. Results: At 6 months, treated eyes had significantly lower VSD (0.145 ± 0.003 vs 0.155 ± 0.002; P = .009) and higher FIR (2.01 ± 0.199 vs 1.46 ± 0.104; P = .01) compared with fellow eyes. There was a significant decrease in VSD and a corresponding increase in FIR even for treated eyes without clinically identifiable retinopathy at 6 months. Vessel diameter index was significantly higher in treated eyes than in fellow eyes at 2 years (2.92 ± 0.025 vs 2.84 ± 0.018; P < .001). We categorized our cohort into low-dose (< 15 Gy) and high-dose (> 45 Gy) radiation to the fovea and noted significant differences in VSD and FIR between groups. Conclusions: OCTA can quantify and monitor EPB-induced retinopathy and can detect vascular abnormalities even without clinically observable retinopathy. OCTA may be useful in investigating treatment interventions aiming to delay EPB-induced radiation retinopathy.
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Shah, Chirag, Rami Gabriel, Sanjay Kedhar, Baruch Kuppermann, and Mitul Mehta. "Subclinical Foveal Vasculopathy in Patients With Systemic Lupus Erythematosus Using Optical Coherence Tomography Angiography." Journal of VitreoRetinal Diseases 3, no. 5 (July 3, 2019): 283–88. http://dx.doi.org/10.1177/2474126419850758.

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Purpose: This article identifies subclinical microvascular changes in systemic lupus erythematosus (SLE) patients using vascular perfusion densities derived from optical coherence tomography angiography (OCTA). Methods: A retrospective review was performed on individuals with SLE (10 eyes of 5 patients) and age-matched controls imaged with a spectral-domain OCT system (XR Avanti, Optovue, Inc). A split-spectrum amplitude-decorrelation algorithm (SSADA) generated OCTA of the superficial retinal capillaries, deep retinal capillaries, and foveal avascular zone (FAZ). Skeletonized OCTAs were used to create capillary vessel density (VD) values for each image. VD values were compared with clinical staging, and groups were compared using Kruskal–Wallis and Mann–Whitney tests. Results: Both the superficial (SCP) and deep capillary plexus (DCP) had a statistically significant decrease in VD in the SLE group when compared with the control group ( P < .05). The average VD ± SD for normal individuals in the 3 mm × 3 mm scans was 26.11 ± 1.2 and 37.45 ± 1.8 for the SCP and DCP, respectively. For SLE patients the mean ± SD was 18.46 ± 0.84 and 30.22 ± 1.5 for SCP and DCP, respectively. The mean FAZ was found to be 0.207 mm ± 0.02 for healthy controls and 0.350 mm ± 0.02 for SLE patients ( P < .001). Conclusions: In this paper we demonstrate a significantly enlarged FAZ and decreased VD in a small sample of patients with lupus. The SCP VD demonstrated a dose-response–type negative relationship with increased systemic lupus severity. Larger-sample, prospective studies may allow us to further characterize subclinical SLE pathology with OCTA, and OCTA may further provide a means for monitoring the severity or progression of other microvascular diseases.
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Mørkved, Eva H., Nils K. Afseth, and Helge Kjøsen. "Zn(quinoline)2Cl2: an efficient reagent for synthesis of zinc azaphthalocyanines with thiomorpholine- or pyrazole substituents." Journal of Porphyrins and Phthalocyanines 10, no. 11 (November 2006): 1301–8. http://dx.doi.org/10.1142/s1088424606000673.

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The Zn ( quinoline )2 Cl 2 complex is found to be a convenient reagent for the direct synthesis of amino-substituted, zinc azaphthalocyanines. Octa(4-thiomorpholinyl)- and octa(1-pyrazolyl)- substituted zinc azaphthalocyanines were synthesized from pyrazines, 5,6-bis(4-thiomorpholinyl)pyrazine-2,3-dicarbonitrile and 5,6-bis(1-pyrazolyl)pyrazine-2,3-dicarbonitrile, respectively and dry Zn ( quinoline )2 Cl 2. Two zinc azaphthalocyanines, both mixtures of four constitutional isomers, were synthesized by the same method, from 6-(2-thienyl)-5-(4-thiomorpholinyl)pyrazine-2,3-dicarbonitrile and from 6-(2-thienyl)-5-(1-pyrazolyl)pyrazine-2,3-dicarbonitrile respectively. The octa(4-thiomorpholinyl)- and octa(1-pyrazolyl)-substituted zinc azaphthalocyanines and the zinc azaphthalocyanines with mixed substituents were characterized by elemental analyses, TOF-SIMS, 1 H and 13 C NMR, and UV-vis spectroscopic methods. Q-bands for octa(4-thiomorpholinyl)- and octa(1-pyrazolyl)-substituted zinc azaphthalocyanines and the zinc azaphthalocyanines with mixed substituents are found at respectively 655 and 670 nm (ɛ: 100 000-180 000 M-1.cm-1).
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Diaz, J. Daniel, Jay C. Wang, Patrick Oellers, Inês Lains, Lucia Sobrin, Deeba Husain, Joan W. Miller, Demetrios G. Vavvas, and John B. Miller. "Imaging the Deep Choroidal Vasculature Using Spectral Domain and Swept Source Optical Coherence Tomography Angiography." Journal of VitreoRetinal Diseases 2, no. 3 (April 16, 2018): 146–54. http://dx.doi.org/10.1177/2474126418771805.

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Purpose: To evaluate the deeper choroidal vasculature in eyes with various ocular disorders using spectral domain (SD) optical coherence tomography angiography (OCTA) and swept source (SS) OCTA. Methods: Patients underwent OCTA imaging with either SD-OCTA (Zeiss Cirrus Angioplex or Optovue AngioVue) or SS-OCTA (Topcon Triton). Retinal pigment epithelium (RPE) integrity, structural visualization of deep choroidal vessels on en face imaging, and OCTA of deep choroidal blood flow signal were analyzed. Choroidal blood flow was deemed present if deeper choroidal vessels appeared bright after appropriate segmentation. Results: Structural visualization of choroidal vessels was feasible in all eyes by en face imaging. In both SD-OCTA and SS-OCTA, choroidal blood flow signal was present in all eyes with overlying RPE atrophy (100% of eyes with RPE atrophy, 28.6% of all imaged eyes, P < .001). Conclusions: While choroidal vessels can be visualized anatomically in all eyes by en face imaging, choroidal blood flow detection in deep choroidal vessel is largely restricted to areas with overlying RPE atrophy. Intact RPE acts as a barrier for reliable detection of choroidal flow using current OCTA technology, inhibiting evaluation of flow in deeper choroidal vessels in most eyes.
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van Duyne, Petrus C. "OCTA 2006: the unfulfilled promise." Trends in Organized Crime 10, no. 3 (July 14, 2007): 120–28. http://dx.doi.org/10.1007/s12117-007-9002-0.

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Tlusty, Tomas, Josef Pasek, and Petr Vonka. "Gas phase amination of octan-1-ol over a cu-cr catalyst." Reaction Kinetics and Catalysis Letters 88, no. 2 (August 2006): 371–79. http://dx.doi.org/10.1007/s11144-006-0074-7.

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Standlee, Aurora, and Marc Hohman. "Safety of 2-Octyl Cyanoacrylate in Spreader Grafting." Facial Plastic Surgery 33, no. 02 (April 2017): 213–16. http://dx.doi.org/10.1055/s-0036-1597998.

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AbstractCyanoacrylate adhesives can make the placement of spreader grafts in open septorhinoplasty technically easier, but its use is off-label beneath the skin. There is a theoretical risk of toxicity from cyanoacrylate breakdown products, but this risk has not been thoroughly studied in rhinoplasty. The objective was to evaluate the effects of subcutaneous cyanoacrylate use during spreader graft placement in rhinoplasty in a retrospective review of open septorhinoplasties in which 2-octyl cyanoacrylate was used to aid placement of spreader grafts. The review was carried out in a tertiary care military academic medical center. A total of 140 adults underwent open septorhinoplasty between September 2013 and May 2016 with spreader graft placement. The authors excluded patients in whom 2-octyl cyanoacrylate was not used to aid graft placement and those who did not follow up postoperatively in our clinic. 108 (85 males and 23 females) patients were included in the final analysis. Nine (8.3%) patients had inflammatory reactions possibly attributable to 2-octyl cyanoacrylate toxicity. The overall rate of postoperative inflammation possibly attributable to 2-octyl cyanoacrylate was 17% among females and 5.9% among males, and this difference was not statistically significant (p = 0.07). However, the rate of postoperative inflammation attributable to 2-octyl cyanoacrylate that required an intervention (incision and drainage or antibiotics) was 2.7% overall, 13% among women and 0% among men, and this difference was significant based on chi-square testing (p < 0.001). Further, revision cases were significantly more likely to develop abnormal postoperative inflammation than initial cases (p = 0.02). Herein, the authors present the largest series of patients in whom 2-octyl cyanoacrylate was used to assist placement of cartilage spreader grafts during open septorhinoplasty. While 2-octyl cyanoacrylate is an effective adjunct to facilitate graft placement, they recommend against its use, as the risk of postoperative inflammation is significant.
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Berger, Heinrich, Werner Seebacher, Marcel Kaiser, Reto Brun, Robert Saf, and Robert Weis. "SARs of the antiprotozoal action of 6,7-diaryl-bicyclo[2.2.2]octan-2-ols." Monatshefte für Chemie - Chemical Monthly 140, no. 5 (October 31, 2008): 495–502. http://dx.doi.org/10.1007/s00706-008-0079-1.

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Lee, L., and G. Forstner. "Quaternary structure of intestinal maltase–glucoamylase in pancreatectomized rats." Biochemistry and Cell Biology 65, no. 4 (April 1, 1987): 392–97. http://dx.doi.org/10.1139/o87-049.

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Detergent-solubilized intestinal maltase–glucoamylase was isolated 1 week postpancreatectomy (dMpanc) and purified in the presence of detergent and protease inhibitors. Upon sodium dodecyl sulfate – polyacrylamide gel electrophoresis under nondissociating conditions, the major band had a molecular weight of 280 000, slightly smaller than similar bands from detergent (dM) and papain (pM) solubilized maltase from nonpancreatectomized rats. Upon octyl-Sepharose CL-4B chromatography, 57% of the enzyme was eluted by aqueous buffer, unlike pM which was almost completely eluted or dM, 95% of which bound to the column. All fractions of dMpanc from octyl-Sepharose 4B were reduced, by boiling ± β-mercaptoethanol, to monomelic subunits, indicating that processing by pancreatic enzymes at the level of the brush border is not a requirement for the appearance of subunits in the rat. As well, under these dissociating conditions, the 145 000 subunit previously identified with the apolar terminus was present in all fractions of dMpanc, including the aqueous fraction, whereas pM contained only the 130 000 subunit. The presence of dMpanc in the aqueous fraction cannot be explained, therefore, by proteolytic cleavage of an apolar anchor segment from the 145 000 subunit. Pancreatic enzymes may affect the enzyme in a minor fashion, however, since aqueous solubility was enhanced and the apparent molecular weight was reduced by pancreatectomy, suggesting a more compact conformation with shielding of apolar segments.
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Palacios, Rodrigo E., and Paul F. Barbara. "Single Molecule Spectroscopy of Poly 3-octyl-thiophene (P3OT)." Journal of Fluorescence 17, no. 6 (April 25, 2007): 749–57. http://dx.doi.org/10.1007/s10895-007-0186-0.

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Dissertations / Theses on the topic "Octal .007"

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Siegel, Angela Annette. "ON THE STRUCTURE OF GAMES AND THEIR POSETS." Thesis, 2011. http://hdl.handle.net/10222/13499.

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This thesis explores the structure of games, including both the internal structure of various games and also the structure of classes of games as partially ordered sets. Internal structure is explored through consideration of juxtapositions of game positions and how the underlying games interact. We look at ordinal sums and introduce side-sums as a means of understanding this interaction, giving a full solution to a Toppling Dominoes variant through its application. Loopy games in which only one player is allowed a pass move, referred to as Oslo games, are introduced and their game structure explored. The poset of Oslo games is shown to form a distributive lattice. The Oslo forms of Wythoff’s game, Grundy’s game and octal .007 are introduced and full solutions given. Finally, the poset of option-closed games is given up to day 3 and all are shown to form a planar lattice. The option-closed game of Cricket Pitch is also fully analyzed.
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Book chapters on the topic "Octal .007"

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Thiemann, Thies, Stephan Kohlstruk, Gerhard Schwär, and Armin Meijere. "Diels-Alder Reactions of Siloxyallylidenecyclopropanes: Facile Syntheses of Spiro[2.5]Octan-3-Ones." In Strain and Its Implications in Organic Chemistry, 507–8. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0929-8_41.

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Moskalenko, A., O. Toropygina, and N. Kuznetsova. "The Reversible Transformation of the B880 Complex Containing Carotenoids of Rhodospirillum Rubrum into the B820 Subcomplexes during Page with Octyl-β-D-Glucopiranoside." In Photosynthesis: from Light to Biosphere, 3007–10. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-009-0173-5_704.

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Baines, K. M., and M. S. Samuel. "Photolysis of 2,3-Disilabicyclo[2.2.2]octa-5,7-dienes." In Compounds of Groups 15 (As, Sb, Bi) and Silicon Compounds, 1. Georg Thieme Verlag KG, 2002. http://dx.doi.org/10.1055/sos-sd-004-00181.

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