+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

Photochemical patterning of a self-assembled monolayer of 7-diazomethylcarbonyl-2,4,9-trithiaadmantane on gold films via Wolff rearrangement

, : Photochemical patterning of a self-assembled monolayer of 7-diazomethylcarbonyl-2,4,9-trithiaadmantane on gold films via Wolff rearrangement. Langmuir 20(12): 4933-4938

Photolithographic attachment of functional organic molecules via ester or amide linkages to self-assembled monolayers (SAMs) on gold thin films was achieved by employing a novel photoreactive surface anchor, 7-diazomethylcarbonyl-2,4,9-trithiaadmantane. The photoreactive SAM was prepared by the spontaneous physical adsorption of the photoreactive surface anchor onto gold surfaces. The alpha-diazo ketone moiety of the SAM was found to display the classical Wolff rearrangement reactivity to produce a ketene intermediate on the exposed area. Organic molecules such as alcohols and amines can thus be attached to the gold surfaces selectively by the facile in situ formation of ester or amide linkages. The structure and reactivity of the photoreactive surface anchor were characterized by real-time FT-IR, fluorescence, and polarization modulation infrared reflectance absorption spectroscopy (PM-IRRAS). The Wolff rearrangement reactivity of the SAM suggested that a "surface-isolated" carbonylcarbene may be generated when the SAM was exposed to 255-nm irradiation.


PMID: 15984253

Other references

Miwa H.; Hayashi H.; Shimura T.; Murakami K., 1982: Simultaneous dual beams ultrasonography simultaneous multi frequency ultrasonography i. Ultrasound in Medicine & Biology 8(SUPPL 1): 131

Bréheĺin, C.; Mouaheb, N.; Verdoucq, L.; Lancelin, J.M.; Meyer, Y., 2000: Characterization of determinants for the specificity of Arabidopsis thioredoxins h in yeast complementation. The disruption of the two thioredoxin genes in Saccharomyces cerevisiae leads to a complex phenotype, including the inability to use methionine sulfoxide as sulfur source, modified cell cycle parameters, reduced H<sub>2</sub>O<sub&g...

Hendriks F.; Philobbos E.R.; Luger P.; Kallenbach H.; Ahmed E.A.; Mansour H.H., 1990: The post-Panafrican sedimentary succession of Wadi Qena (Egypt). Zentralblatt fuer Geologie und Palaeontologie, Teil I: Allgemeine, Angewandte, Regionale und Historische Geologie 1990(4): 434-435

Li, X.; Song, W.; Ke, X.; Xu, X.; Liu, P.; Houk, K.N.; Zhao, X-Liang.; Tang, W., 2016: Rhodium-Catalyzed Intramolecular [5+2] Cycloaddition of Inverted 3-Acyloxy-1,4-enyne and Alkyne: Experimental and Theoretical Studies. By switching the position of the alkene and alkyne, a new type of 3-acyloxy-1,4-enyne (ACE) five-carbon building block was developed for Rh-catalyzed intramolecular [5+2] cycloaddition. An electron-withdrawing acyl group on the alkyne termini of t...

Diverio, D.;, F.; D'Adamo, F.; Biondi, A.; Fagioli, M.; Grignani, F.; Rambaldi, A.; Rossi, V.; Avvisati, G.; Petti, M.C., 1992: Identification of DNA rearrangements at the retinoic acid receptor-alpha (RAR-alpha) locus in all patients with acute promyelocytic leukemia (APL) and mapping of APL breakpoints within the RAR-alpha second intron. Italian Cooperative Study Group "GIMEMA". Seventy patients with acute promyelocytic leukemia (APL) were characterized at the DNA level using genomic retinoic acid receptor-alpha (RAR-alpha) probes on Southern blot experiments. Sixty-two cases were defined as M3 according to the French-Ame...

Ito, M.; Kim, Y-Gi.; Tsuji, H.; Takahashi, T.; Kiwaki, M.; Nomoto, K.; Danbara, H.; Okada, N., 2014: Transposon mutagenesis of probiotic Lactobacillus casei identifies asnH, an asparagine synthetase gene involved in its immune-activating capacity. Lactobacillus casei ATCC 27139 enhances host innate immunity, and the J1 phage-resistant mutants of this strain lose the activity. A transposon insertion mutant library of L. casei ATCC 27139 was constructed, and nine J1 phage-resistant mutants ou...

Luoto H.; Lehtinen M.; Yla Outinen A.; Rantala I.; Romppanen U.; Parkkonen P.; Aine R.; Lauslahti K.; Leinnikki P.; Paavonen J., 1989: The impact of hpv type and concomitant other stds on the healing or persistence of cervical koilocytosis a prospective study. Journal of Cellular Biochemistry Supplement (13 PART C): 230

Fain, A.; Elsen, P., 1972: Notes sur les acariens parasites on commensaux des mouches tse-tses. 2. Famille Erythraeidae (Trombidiformes). Acta Zool Path Antwerp, 56: 61-71

Lavelle A.; Lavelle F.W., 1970: Cyto differentiation in the neuron. Himwich, Williamina A (Edited By) Developmental Neurobiology Xvi + 770p Illus Charles C Thomas, Publisher: Springfield, Ill , U S A 117-164

Yanagawa, Y.; Omori, K.; Obinata, M.; Mishima, K.; Ishikawa, K.; Osaka, H.; Oode, Y.; Sakurada, M.; Muramatsu, S., 2016: Shizuoka Prefecture Disaster Drill Involving the Japanese and US Military. Disaster Medicine and Public Health Preparedness 9(5): 476-477