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Showing 1 to 12 of 212 entries
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Fatty Acid Surfactant Photochemistry Results in New Particle Formation.

Scientific reports

Alpert PA, Ciuraru R, Rossignol S, Passananti M, Tinel L, Perrier S, Dupart Y, Steimer SS, Ammann M, Donaldson DJ, George C.
PMID: 28978998
Sci Rep. 2017 Oct 04;7(1):12693. doi: 10.1038/s41598-017-12601-2.

Organic interfaces that exist at the sea surface microlayer or as surfactant coatings on cloud droplets are highly concentrated and chemically distinct from the underlying bulk or overlying gas phase. Therefore, they may be potentially unique locations for chemical...

High Diversity of Anaerobic Alkane-Degrading Microbial Communities in Marine Seep Sediments Based on (1-methylalkyl)succinate Synthase Genes.

Frontiers in microbiology

Stagars MH, Ruff SE, Amann R, Knittel K.
PMID: 26779166
Front Microbiol. 2016 Jan 07;6:1511. doi: 10.3389/fmicb.2015.01511. eCollection 2015.

Alkanes comprise a substantial fraction of crude oil and are prevalent at marine seeps. These environments are typically anoxic and host diverse microbial communities that grow on alkanes. The most widely distributed mechanism of anaerobic alkane activation is the...

Predicting microbiologically defined infection in febrile neutropenic episodes in children: global individual participant data multivariable meta-analysis.

British journal of cancer

Phillips RS, Sung L, Ammann RA, Riley RD, Castagnola E, Haeusler GM, Klaassen R, Tissing WJ, Lehrnbecher T, Chisholm J, Hakim H, Ranasinghe N, Paesmans M, Hann IM, Stewart LA.
PMID: 27228292
Br J Cancer. 2016 Jun 14;114(12):e17. doi: 10.1038/bjc.2016.137. Epub 2016 May 26.

No abstract available.

Summertime elemental mercury exchange of temperate grasslands on an ecosystem-scale.

Atmospheric chemistry and physics

Fritsche J, Wohlfahrt G, Ammann C, Zeeman M, Hammerle A, Obrist D, Alewell C.
PMID: 24348525
Atmos Chem Phys. 2008 Dec 22;8(24). doi: 10.5194/acp-8-7709-2008.

In order to estimate the air-surface mercury exchange of grasslands in temperate climate regions, fluxes of gaseous elemental mercury (GEM) were measured at two sites in Switzerland and one in Austria during summer 2006. Two classic micrometeorological methods (aerodynamic...

Layer-by-layer deposition on a heterogeneous surface: Effect of sorption kinetics on the growth of polyelectrolyte multilayers.

Journal of colloid and interface science

Bellanger H, Casdorff K, Muff LF, Ammann R, Burgert I, Michen B.
PMID: 28407597
J Colloid Interface Sci. 2017 Aug 15;500:133-141. doi: 10.1016/j.jcis.2017.02.048. Epub 2017 Feb 22.

Surface functionalization by means of controlled deposition of charged polymers or nanoparticles using the layer-by-layer (LbL) approach has been used to modify mostly engineered materials with well-defined surface chemistry and morphology. In this regard, natural and inhomogeneous interfaces have...

Treating Atrial Fibrillation With Cryoballoon Technology.

Journal of atrial fibrillation

Altmann DR, Knecht S, Sticherling C, Ammann P, Schaer B, Osswald S, Kühne M.
PMID: 28496735
J Atr Fibrillation. 2012 Apr 14;4(6):486. doi: 10.4022/jafib.486. eCollection 2012.

Cryoballoon ablation has emerged as a novel tool to perform pulmonary vein isolation. The aim of this paper is to review the advantages, drawbacks as well as possible complications and clinical outcomes of this technology and to discuss some...

Shikimic acid ozonolysis kinetics of the transition from liquid aqueous solution to highly viscous glass.

Physical chemistry chemical physics : PCCP

Steimer SS, Berkemeier T, Gilgen A, Krieger UK, Peter T, Shiraiwa M, Ammann M.
PMID: 26536455
Phys Chem Chem Phys. 2015 Dec 14;17(46):31101-9. doi: 10.1039/c5cp04544d.

Ageing of particulate organic matter affects the composition and properties of atmospheric aerosol particles. Driven by temperature and humidity, the organic fraction can vary its physical state between liquid and amorphous solid, or rarely even crystalline. These transitions can...

Promoting positive parenting: an annotated bibliography.

Pediatric nursing

Ahmann E.
PMID: 12226960
Pediatr Nurs. 2002 Jul-Aug;28(4):382-5, 401.

Positive parenting is built on respect for children and helps develop self-esteem, inner discipline, self-confidence, responsibility, and resourcefulness. Positive parenting is also good for parents: parents feel good about parenting well. It builds a sense of dignity. Positive parenting...

[Social security and job procurement].

Pro Infirmis

AMMANN H.
PMID: 13100348
Pro Infirm. 1953 Apr 01;11(10):292-3.

No abstract available.

"Dimers" and "trimers" of tetrahydroindenes and hexahydroazulenes, respectively generated from [2-(1-cycloalkenyl)ethynyl]carbene complexes (M = W, Cr) by cascade cyclization/cycloaddition reactions.

Chemistry (Weinheim an der Bergstrasse, Germany)

Wu HP, Aumann R, Fröhlich R, Saarenketo P.
PMID: 11261668
Chemistry. 2001 Feb 02;7(3):700-10. doi: 10.1002/1521-3765(20010202)7:3<700::aid-chem700>3.0.co;2-d.

A cascade of cyclization/cycloaddition reactions was triggered by addition of protic oxygen nucleophiles ROH 2 (RO = CH3CO2, PhCO2, PhO) to [2-(1-cyclohexenyl)ethynyl]carbene complexes 1b and 1c (M=W, Cr, respectively), affording highly strained "dimers" 11/11' and "trimers" 12 of the...

Erratum to "Palynostratigraphy of the last centuries in Switzerland based on 23 lake and mire deposits: chronostratigraphic pollen markers, regional patterns, and local histories".

Review of palaeobotany and palynology

van der Knaap WO, van Leeuwen JF, Fankhauser A, Ammann B.
PMID: 11389919
Rev Palaeobot Palynol. 2001 Apr;114(3):269-270. doi: 10.1016/s0034-6667(01)00049-5.

No abstract available.

Two terrestrial records of rapid climatic change during the glacial-Holocene transition (14,000- 9,000 calendar years B.P.) from Europe.

Proceedings of the National Academy of Sciences of the United States of America

Birks HH, Ammann B.
PMID: 10677472
Proc Natl Acad Sci U S A. 2000 Feb 15;97(4):1390-4. doi: 10.1073/pnas.97.4.1390.

Two independent multidisciplinary studies of climatic change during the glacial-Holocene transition (ca. 14,000-9,000 calendar yr B.P.) from Norway and Switzerland have assessed organism responses to the rapid climatic changes and made quantitative temperature reconstructions with modern calibration data sets...

Showing 1 to 12 of 212 entries