Results 51 to 60 of about 69,209 (245)

In Situ Scanning Tunneling Microscopy Study of 5,6-Dimethyl Uracil on Au (111)

Journal of the Brazilian Chemical Society, 2001
The hydrogen evolution mediated 5,6-dimethyluracil (5,6-DMU) film disordering and subsequent reordering was studied in situ in sulfuric acid solution on Au (111) using STM and cyclic voltammetry.
Cunha Frederico G. C., Nart Francisco C.
doaj  

Adsorption of 5-Fluorouracil on Au(111) and Cu(111) surfaces

AIP Advances, 2019
The adsorption of 5-Fluorouracil (5FU) on Au(111) and Cu(111) surfaces as a function of molecular coverage and temperature has been studied, using x-ray photoelectron spectroscopy (XPS) and near-edge x-ray absorption fine structure (NEXAFS) spectroscopy.
Andrew Cassidy, Nataliya Tsud, Sofiia Bercha, Vitaliy Feyer, Kevin C. Prince, Oksana Plekan   +5 more
doaj   +1 more source

Design and analysis strategies for robust microbiome ageing research

FEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik, İsmail Güderer, Yi Wang, Tayyaba Alvi, Prasoon Pandey, Handan Melike Dönertaş   +5 more
wiley   +1 more source

СТМ-дослідження впорядкування молекул діарилетенів на поверхні Аu(111)

Хімія, фізика та технологія поверхні, 2014
З використанням скануючої тунельної мікроскопії (СТМ) досліджено процес самовпорядкування терфенілтіазол-похідних діарилетенів на поверхні Au(111).
S. V. Snegir, A. L. Kapitanchuk, O. O. Koshova, A. A. Marchenko   +3 more
doaj  

Porphyrin Supramolecular Arrays Formed by Weakly Interacting Meso-Functional Groups on Au(111)

Molecules, 2019
The formation of a binary porphyrinic self-assembled system between meso-tetrakis(4-carboxyphenyl) porphyrin (TCPP) and meso-tetrakis(4-dimethyl amino) porphyrin (TDAP) was easily designed through non-covalent interactions in solution and adsorbed on a ...
Esteban Sánchez-Muñoz, José L. Gárate-Morales, Jacinto Sandoval-Lira, Julio M. Hernández-Pérez, Rocío Aguilar-Sánchez   +4 more
doaj   +1 more source

Enhanced Superconductivity and Rashba Effect in a Buckled Plumbene‐Au Kagome Superstructure

Advanced Science, 2023
Plumbene, with a structure similar to graphene, is expected to possess a strong spin–orbit coupling and thus enhances its superconducting critical temperature (Tc).
Wan‐Hsin Chen, Chin‐Hsuan Chen, Guan‐Hao Chen, Wei‐Chuan Chen, Fu‐Xiang Rikudo Chen, Pei‐Jung Chen, Chun‐Kai Ku, Chang‐Tsan Lee, Naoya Kawakami, Jia‐Ying Li, Iwao Matsuda, Wen‐Hao Chang, Juhn‐Jong Lin, Chien‐Te Wu, Chung‐Yu Mou, Horng‐Tay Jeng, Shu‐Jung Tang, Chun‐Liang Lin   +17 more
doaj   +1 more source

Reconstructing enzyme evolution by protein engineering

FEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler, Markus R. Busch, Reinhard Sterner   +2 more
wiley   +1 more source

Stable Au–C bonds to the substrate for fullerene-based nanostructures

Beilstein Journal of Nanotechnology, 2017
We report on the formation of fullerene-derived nanostructures on Au(111) at room temperature and under UHV conditions. After low-energy ion sputtering of fullerene films deposited on Au(111), bright spots appear at the herringbone corner sites when ...
Taras Chutora, Jesús Redondo, Bruno de la Torre, Martin Švec, Pavel Jelínek, Héctor Vázquez   +5 more
doaj   +1 more source

Ethanol Oxidation on Pd/Au(111) Bimetallic Surfaces in Alkaline Solution

International Journal of Electrochemical Science, 2013
Catalytic properties of Pd/Au(111) nanostructures obtained by spontaneous palladium deposition using PdSO4 and PdCl2 salts were examined for the oxidation of ethanol in alkaline media. Atomic force microscopy has shown that counter anions in Pd salts are
Milutin Smiljanić, Zlatko Rakočević, Svetlana Štrbac   +2 more
doaj   +1 more source

Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential

FEBS Letters, EarlyView.
Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta, Hari Baskar Balasubramanian, Amir Pasokh, Marietta Zille   +3 more
wiley   +1 more source