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Orientation Bias of Self-Assembled Alkanes and Their derivatives Under Dynamic Lateral Nanoconfinement Conditions

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CCS Chemistry 2024年第4期6卷 1024-1033页

作者： Conditions Lihua Yu Yuanzhi Xia Tianze Hu Brent Daelemans Steven de feyter department of Chemistry Division of Molecular Imaging and PhotonicsKU LeuvenB-3001 Leuven

Self-assembled molecular networks(SAMNs)formed on crystalline solid substrates result from the spontaneous arrangement of individual molecules into structured *** interaction between molecules and the substrate leads to a nonrandom orientation of SAMNs with respect to the substrate’s *** the case of graphite,the sixfold rotational symmetry of the substrate results in an equivalent rotational degeneracy in the orientation of *** this study,we explored how nanoconfinement,that is,the restriction of SAMN formation to nanometersized areas,known as nanocorrals,could impact and potentially alleviate the orientational degeneracy of SAMNs,with emphasis on the influence of molecule symmetry,size,and intermolecular *** this end,we investigated the orientation distribution of n-alkanes and functionalized alkanes within nanocorrals,which were fabricated using scanning tunneling microscopy lithography(nanoshaving).We observed lifting of orientational degeneracy for long alkanes,contrary to shorter alkanes,which did not exhibit this orientation ***,functionalized alkanes with hydrogen bonding groups demonstrated preferential alignment regardless of length,highlighting the significance of stabilizing intermolecular interactions in the alignment *** study discussed the underlying principles of the molecular packing process and shed light on the complexity of molecular self-assembly in nanoconfined spaces.

关键词： self-assembly confinement condition nanocorral orientation bias scanning tunneling microscopy

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迭代重建对冠状动脉CTA钙化积分的影响

国际医学放射学杂志 2014年第1期 94-94页

作者： A.Kurata A.Dharampal A.dedic p.j.de feyter G.p.Krestin M.L.Dijkshoorn 袁涛 department of Radiology Erasmus Medical Centre ‘s Gravendijkwal 2303015CE Rotterdam The Netherlands

目的探讨正弦图证实的迭代重建(SAFIRE)对冠状动脉CTA钙化积分(CAC)的影响。方法70例病人采用128层双源CT行CAC。根据滤波反投影(FBp)法重建影像计

关键词： CT 冠状动脉疾病动脉硬化图像处理影像阅读迭代重建

Self-templated covalent functionalization of graphitic surfaces with a quasi-periodic pattern

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Aggregate 2022年第4期3卷 121-130页

作者： Yuanzhi Xia johannes Seibel Steven de feyter Division of Molecular Imaging and photonics Department of ChemistryKU LeuvenLeuvenBelgium

patterned covalent functionalization of graphitic surfaces(GSs)is of interest in the development of devices and nanocomposite *** contrast to the strategies using external templates or control for realizing patterned covalent functionalization of GSs,here,we present a self-templated strategy by exploiting the synergistic effects of chemical and physical functionalization of ***,a diazonium salt is reduced by potassium iodide(KI)in dimethyl sulfoxide while the solution is in contact with a GS,resulting in its spatially heterogeneous,that is,chemical and physical,*** heterogeneous functionalization leads to a quasiperiodic pattern of striped corrals with three equivalent orientations in the covalent *** formation of the striped corrals is ascribed to physisorbed domains formed by self-assembled N_(2),which is produced in situ during the reduction of the diazonium salt,preventing the covalent functionalization.

关键词： diazonium chemistry graphitic surfaces patterned covalent functionalization quasi-periodic patterning self-templated strategy

phase behavior at the solid/liquid interface:scanning tunneling microscopy and Monte Carlo simulations

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Phase behavior at the solid/liquid interface:scanning tunnel...

中国化学会第六届全国结构化学学术会议

作者： Steven de feyter Division of Molecular and Nanomaterials Department of ChemistryKatholieke Universiteit Leuven（K.U.Leuven）Celestijnenlaan 200F3001 Leuven（Belgium）

＜正＞The self-assembly of nanometer-sized building blocks on surfaces and at interfaces is a powerful way to fabricate complex molecular nanostructures following the bottom-up *** recognition at interfaces involves many simultaneous interactions based on molecular shape,size,functional groups,etc. The weak thus reversible supramolecular interactions sustaining these networks enable the system to

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热装热送计划问题的解决方案

钢铁 2006年第1期41卷 58-61,70页

作者： p．Knoop M．de feyter L．V．Nerom 先进信息系统公司

热装热送要求连铸机和轧机的生产计划相匹配。介绍一种采用先进算法自动生成热装计划的新系统,根据产品大纲和市场条件,热装比可达85%。目前该系统正在中国一家钢铁企业进行测试,目标是达到80%的热装比。提高热装比需要炼钢和轧钢工序... 详细信息

热装热送要求连铸机和轧机的生产计划相匹配。介绍一种采用先进算法自动生成热装计划的新系统,根据产品大纲和市场条件,热装比可达85%。目前该系统正在中国一家钢铁企业进行测试,目标是达到80%的热装比。提高热装比需要炼钢和轧钢工序的密切协调,需要操作、维修和计划各个部门的全面配合。

关键词：热装计划算法 HCScheduler

Synthesis, Aggregation and Adsorption of poiycyclic Aromatic Hydrocarbon （pAH） Containing Shape-persistent Macrocycles with Extrannular TriisoproplysiiyI Substituents

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Synthesis, Aggregation and Adsorption of Poiycyclic Aromatic...

培哚普利对冠状动脉粥样硬化进展的长期影响:pERSpECTIVE(血管造影及血管内超声评价培哚普利对冠状动脉粥样硬化的前瞻性作用)研究

中国化学会第四届有机化学学术会议

作者： HOEGER,Sigurd de feyter,Steven Universitat Karlsruhe Institut für Technische Chemie und Polymerchemie Engesserstr. 18 76131 Karlsruhe Germany Katholieke Universiteit Leuven Department of ChemistryCelestijnenlaan 200 F3001 LeuvenBelgium

＜正＞Shape-persistent macrocycles containing a polycyclic aromatic backbone and extrannular triisoproplysilyl substituents 2 are synthesized by the intermolecular oxidative Glaser-coupling of the corresponding bisacetylenes （half ring, acetylene oligomer） 1 （Figure 1）. The half ring in both their protected and unproteted forms shows strong aggregation in the solution which has been investigated by 1H NMR spectroscopy. Due to the restricted solubility we could not determine any aggregation in solution.

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世界核心医学期刊文摘（心脏病学分册） 2007年第12期3卷 18-19页

作者： Rodriguez-Granillo G.A. Vos j. Bruining N. p.j. de feyter 罗亮 department of Cardiology Thoraxcenter Erasmus MC RotterdamNetherlands.Dr

纳入12218例患者的多中心EUROpA试验表明,培哚普利可减少冠心病确诊患者的不良临床事件。pERSpECTIVE研究为EUROpA试验的一项亚研究,评估了培哚普利对冠状动脉粥样硬化斑块进展犤以定量冠状动脉血管造影和血管内超声(IVUS)评价犦的作用... 详细信息

纳入12218例患者的多中心EUROpA试验表明,培哚普利可减少冠心病确诊患者的不良临床事件。pERSpECTIVE研究为EUROpA试验的一项亚研究,评估了培哚普利对冠状动脉粥样硬化斑块进展犤以定量冠状动脉血管造影和血管内超声(IVUS)评价犦的作用。研究共纳入244例患者(平均年龄57岁,男性占81%)。自96例随机分配使用培哚普利的患者和98例使用安慰剂的患者获得了可供评估的成对定量冠状动脉血管造影资料。

关键词：冠状动脉粥样硬化安慰剂患者冠状动脉血管 pERSpECTIVE 空白剂培哚普利血管内超声

稳定型及不稳定型心绞痛患者冠状动脉介入治疗后用氟伐他汀治疗的益处:来自于血脂干预预防研究(LIpS)的结果

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世界核心医学期刊文摘（心脏病学分册） 2005年第3期1卷 40-41页

作者： Lee C.H. de feyter p. Serruys p.W. 郭宁 department of Cardiology Thoraxcentre University Hospital Dijkzigt Dr Molewaterplein 40 Rotterdam 3015 GD Netherlands Dr.

Aims: To investigate the effect on risk of major adverse cardiac events(MACE) of lipid lowering treatment with fluvastatin 80 mg/day after a first percutaneous coronary intervention in patientswith stable and unstable angina. Method and results: This prespecified subgroup analysis of the LIpS(Lescol intervention prevention study) analysed 1658 patients with documented diagnosis; 824 had unstable angina(417 randomly assigned to fluvastatin, 407 to placebo) and 834 had stable angina(including silent ischaemia; fluvastatin, 418; placebo, 416). Median follow up was 3.9 years. There was no significant effect of anginal status on long term risk of MACE. Fluvastatin treatment reduced the risk ofMACE by 28%compared with placebo (p=0.03) among patients with unstable angina, with no difference between patients with stable and patients with unstable angina(relative risk 1.07, 95%confidence interval 0.87 to 1.30, p=0.53). Fluvastatin reduced coronary atherosclerotic events (MACE excluding restenosis) by 36%(p=0.006) among patients with unstable angina and 31%(p=0.02) among patients with stable angina. Fluvastatin caused similar reductions in total cholesterol and low density lipoprotein cholesterol concentrations in both patient groups. Conclusion: Treatment with fluvastatin 80 mg/day produced significant reductions inMACE and coronary atherosclerotic events after percutaneous coronary intervention in patientswith average cholesterol concentrations. The beneficial effects of fluvastatin are observed in patients with unstable or stable angina alike.

关键词：不稳定型心绞痛 LIpS 氟伐他汀介入治疗干预预防降脂治疗再狭窄亚组安慰剂总胆固醇

processable Rylene Diimides up to 4 nm in length: Synthesis and STM Visualization

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Processable Rylene Diimides up to 4 nm in length: Synthesis ...