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Showing 1 to 12 of 140 entries
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Excited-State Dynamics of Isolated and Microsolvated Cinnamate-Based UV-B Sunscreens.

The journal of physical chemistry letters

Tan EM, Hilbers M, Buma WJ.
PMID: 26277816
J Phys Chem Lett. 2014 Jul 17;5(14):2464-8. doi: 10.1021/jz501140b. Epub 2014 Jul 02.

Sunscreens are aimed at providing protection from solar UV radiation. However, the same mechanism that underlies this protection (absorption of UV radiation) is also responsible for their light-induced adverse effects. Here, high-resolution spectroscopic methods are applied to one of...

The First Functionalized 6,12-Diazatetrakishomocubanes.

Angewandte Chemie (International ed. in English)

Hilgeroth A, Baumeister U.
PMID: 10671263
Angew Chem Int Ed Engl. 2000 Feb;39(3):576-578. doi: 10.1002/(sici)1521-3773(20000204)39:3<576::aid-anie576>3.0.co;2-g.

The photodimerization of asymmetric 4-aryl-1,4-dihydropyridines results, totally unexpectedly, in the new 6,12-diazatetrakishomocubanes 1. This is in contrast to the previously observed [2+2] photocycloaddition reactions of symmetrical 4-aryl-1,4-dihydropyridines

Analytical characterization of thin carbon films.

Analytical and bioanalytical chemistry

Ohr R, Schug C, Wahl M, Wienss A, Hilgers H, Mahrholz J, Willich P, Jung T.
PMID: 12520438
Anal Bioanal Chem. 2003 Jan;375(1):47-52. doi: 10.1007/s00216-002-1667-2. Epub 2002 Dec 03.

CH(x) films on silicon substrates deposited by a Mesh Hollow Cathode Process (MHC) were analyzed by various techniques. The films were produced with varying deposition times, resulting in thicknesses ranging from ~2-20 nm. X-Ray Reflectivity (XRR) was used to...

Clinic versus home blood-pressure measurements as a predictor of outcomes in chronic kidney disease.

Nature clinical practice. Nephrology

Mann JF, Hilgers KF.
PMID: 16941034
Nat Clin Pract Nephrol. 2006 Sep;2(9):474-5. doi: 10.1038/ncpneph0237.

No abstract available.

Combination of perfluoroalkyl and triazole moieties: a new recovery strategy for TEMPO.

Organic letters

Gheorghe A, Chinnusamy T, Cuevas-Yañez E, Hilgers P, Reiser O.
PMID: 18754589
Org Lett. 2008 Oct 02;10(19):4171-4. doi: 10.1021/ol801555f. Epub 2008 Aug 28.

The attachment of multiple triazole moieties and perfluoroalkyl chains to TEMPO promotes emulsion formation in dichloromethane/water, giving a highly active and easily recoverable catalyst for the oxidation of alcohols.

Performance of a compact, hybrid optical evanescent-wave sensor for chemical and biological applications.

Applied optics

Helmers H, Greco P, Rustad R, Kherrat R, Bouvier G, Benech P.
PMID: 21069055
Appl Opt. 1996 Feb 01;35(4):676-80. doi: 10.1364/AO.35.000676.

We describe a hybrid evanescent-wave sensor component that we fabricated by using an integrated optical interferometer with a specially adapted photodetector array. The design of the interferometer is based on the use of tapered waveguides to obtain two intersecting...

Evidence for nonallopatric speciation among closely related sympatric Heliotropium species in the Atacama Desert.

Ecology and evolution

Luebert F, Jacobs P, Hilger HH, Muller LA.
PMID: 24558582
Ecol Evol. 2014 Feb;4(3):266-75. doi: 10.1002/ece3.929. Epub 2013 Dec 29.

The genetic structure of populations of closely related, sympatric species may hold the signature of the geographical mode of the speciation process. In fully allopatric speciation, it is expected that genetic differentiation between species is homogeneously distributed across the...

A liquid-liquid transition in supercooled aqueous solution related to the HDA-LDA transition.

Science (New York, N.Y.)

Woutersen S, Ensing B, Hilbers M, Zhao Z, Angell CA.
PMID: 29590040
Science. 2018 Mar 09;359(6380):1127-1131. doi: 10.1126/science.aao7049.

Simulations and theory suggest that the thermodynamic anomalies of water may be related to a phase transition between two supercooled liquid states, but so far this phase transition has not been observed experimentally because of preemptive ice crystallization. We...

Extracellular Vesicle Isolation and Characterization from Periprosthetic Joint Synovial Fluid in Revision Total Joint Arthroplasty.

Journal of clinical medicine

Rüwald JM, Randau TM, Hilgers C, Masson W, Irsen S, Eymael RL, Kohlhof H, Gravius S, Burger C, Wirtz DC, Schildberg FA.
PMID: 32075029
J Clin Med. 2020 Feb 14;9(2). doi: 10.3390/jcm9020516.

Extracellular vesicles (EVs) comprise an as yet insufficiently investigated intercellular communication pathway in the field of revision total joint arthroplasty (RTJA). This study examined whether periprosthetic joint synovial fluid contains EVs, developed a protocol for their isolation and characterized...

ROCK-ALS: Protocol for a Randomized, Placebo-Controlled, Double-Blind Phase IIa Trial of Safety, Tolerability and Efficacy of the Rho Kinase (ROCK) Inhibitor Fasudil in Amyotrophic Lateral Sclerosis.

Frontiers in neurology

Lingor P, Weber M, Camu W, Friede T, Hilgers R, Leha A, Neuwirth C, Günther R, Benatar M, Kuzma-Kozakiewicz M, Bidner H, Blankenstein C, Frontini R, Ludolph A, Koch JC.
PMID: 30972018
Front Neurol. 2019 Mar 27;10:293. doi: 10.3389/fneur.2019.00293. eCollection 2019.

No abstract available.

Vascular Calcification in Chronic Kidney Disease: The Role of Inflammation.

International journal of nephrology

Benz K, Hilgers KF, Daniel C, Amann K.
PMID: 30186632
Int J Nephrol. 2018 Aug 13;2018:4310379. doi: 10.1155/2018/4310379. eCollection 2018.

Cardiovascular complications are extremely frequent in patients with chronic kidney disease (CKD) and death from cardiac causes is the most common cause of death in this particular population. Cardiovascular disease is approximately 3 times more frequent in patients with...

Laccase/Mediator Systems: Their Reactivity toward Phenolic Lignin Structures.

ACS sustainable chemistry & engineering

Hilgers R, Vincken JP, Gruppen H, Kabel MA.
PMID: 29430340
ACS Sustain Chem Eng. 2018 Feb 05;6(2):2037-2046. doi: 10.1021/acssuschemeng.7b03451. Epub 2018 Jan 04.

Laccase-mediator systems (LMS) have been widely studied for their capacity to oxidize the nonphenolic subunits of lignin (70-90% of the polymer). The phenolic subunits (10-30% of the polymer), which can also be oxidized without mediators, have received considerably less...

Showing 1 to 12 of 140 entries