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Showing 1 to 12 of 96 entries
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The force-dependent mechanism of DnaK-mediated mechanical folding.

Science advances

Perales-Calvo J, Giganti D, Stirnemann G, Garcia-Manyes S.
PMID: 29487911
Sci Adv. 2018 Feb 09;4(2):eaaq0243. doi: 10.1126/sciadv.aaq0243. eCollection 2018 Feb.

It is well established that chaperones modulate the protein folding free-energy landscape. However, the molecular determinants underlying chaperone-mediated mechanical folding remain largely elusive, primarily because the force-extended unfolded conformation fundamentally differs from that characterized in biochemistry experiments. We use...

A zinc-containing intraruminal device for facial eczema control in lambs.

New Zealand veterinary journal

Munday R, Thompson AM, Fowke EA, Wesselink C, Smith BL, Towers NR, O'Donnell K, McDonald RM, Stirnemann M, Ford AJ.
PMID: 16031962
N Z Vet J. 1997 Jun;45(3):93-8. doi: 10.1080/00480169.1997.36002.

A zinc-containing intraruminal device has been developed for protecting lambs against facial eczema. The rate of release of zinc from the device has been optimised, and its safety in use established. Under both experimental and farm conditions, the device...

Water reorientation dynamics in the first hydration shells of F- and I-.

Physical chemistry chemical physics : PCCP

Boisson J, Stirnemann G, Laage D, Hynes JT.
PMID: 21915404
Phys Chem Chem Phys. 2011 Nov 28;13(44):19895-901. doi: 10.1039/c1cp21834d. Epub 2011 Sep 13.

Molecular dynamics and analytic theory results are presented for the reorientation dynamics of first hydration shell water molecules around fluoride and iodide anions. These ions represent the extremes of the (normal) halide series in terms of their size and...

Mechanisms of acceleration and retardation of water dynamics by ions.

Journal of the American Chemical Society

Stirnemann G, Wernersson E, Jungwirth P, Laage D.
PMID: 23865559
J Am Chem Soc. 2013 Aug 14;135(32):11824-31. doi: 10.1021/ja405201s. Epub 2013 Aug 02.

There are fundamental and not yet fully resolved questions concerning the impact of solutes, ions in particular, on the structure and dynamics of water, which can be formulated as follows: Are the effects of ions local or long-ranged? Is...

Analysis of the ion distribution at a charged solid-liquid interface using X-ray standing waves.

Langmuir : the ACS journal of surfaces and colloids

Brücher M, Jacob P, von Bohlen A, Franzke J, Sternemann C, Paulus M, Hergenröder R.
PMID: 20067310
Langmuir. 2010 Jan 19;26(2):959-66. doi: 10.1021/la902385d.

Functionalized solid-liquid interfaces were analyzed by X-ray standing waves (XSW) combined with streaming current measurements to study surface charges, interfacial potential, and ion distributions. Thin films of aqueous solution containing Br(-) anions and Fe(3+) cations at a concentration of...

Influence of hydrogen on thermally induced phase separation in GeO/SiO2 multilayers.

Nanotechnology

Sahle CJ, Zschintzsch M, Sternemann C, von Borany J, Mücklich A, Nyrow A, Jeutter NM, Wagner R, Frahm R, Tolan M.
PMID: 21325710
Nanotechnology. 2011 Mar 25;22(12):125709. doi: 10.1088/0957-4484/22/12/125709. Epub 2011 Feb 17.

The influence of the annealing atmosphere on the temperature induced phase separation of Ge oxide in GeO(x)/SiO(2) multilayers (x≈1), leading to size controlled growth of Ge nanocrystals, is explored by means of x-ray absorption spectroscopy at the Ge K-edge....

Exanthema associated with Capnocytophaga canimorsus bacteremia.

International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

Uçkay I, Stirnemann J.
PMID: 30877041
Int J Infect Dis. 2019 May;82:104-105. doi: 10.1016/j.ijid.2019.03.006. Epub 2019 Mar 12.

No abstract available.

Cation Hydration in Supercritical NaOH and HCl Aqueous Solutions.

The journal of physical chemistry. B

Sahle CJ, Niskanen J, Schmidt C, Stefanski J, Gilmore K, Forov Y, Jahn S, Wilke M, Sternemann C.
PMID: 29160070
J Phys Chem B. 2017 Dec 21;121(50):11383-11389. doi: 10.1021/acs.jpcb.7b09688. Epub 2017 Dec 08.

We present a study of the local atomic environment of the oxygen atoms in the aqueous solutions of NaOH and HCl under simultaneous high-temperature and high-pressure conditions. Experimental nonresonant X-ray Raman scattering core-level spectra at the oxygen K-edge show...

Structure and dynamics of short-chain polymerized ionic liquids.

The Journal of chemical physics

Wieland F, Bocharova V, Münzner P, Hiller W, Sakrowski R, Sternemann C, Böhmer R, Sokolov AP, Gainaru C.
PMID: 31325936
J Chem Phys. 2019 Jul 21;151(3):034903. doi: 10.1063/1.5109228.

Combining experimental results obtained with X-ray scattering and field-gradient nuclear magnetic resonance (NMR) and an assessment of new and previous dielectric and rheology data, our study focuses on the molecular weight (M

Are Glucosylceramide-Related Sphingolipids Involved in the Increased Risk for Cancer in Gaucher Disease Patients? Review and Hypotheses.

Cancers

Dubot P, Astudillo L, Therville N, Sabourdy F, Stirnemann J, Levade T, Andrieu-Abadie N.
PMID: 32085512
Cancers (Basel). 2020 Feb 18;12(2). doi: 10.3390/cancers12020475.

The roles of ceramide and its catabolites, i.e., sphingosine and sphingosine 1-phosphate, in the development of malignancies and the response to anticancer regimens have been extensively described. Moreover, an abundant literature points to the effects of glucosylceramide synthase, the...

Head-to-Head Accuracy Comparison of Three Commercial COVID-19 IgM/IgG Serology Rapid Tests.

Journal of clinical medicine

Andrey DO, Cohen P, Meyer B, Torriani G, Yerly S, Mazza L, Calame A, Arm-Vernez I, Guessous I, Stringhini S, Roux-Lombard P, Fontao L, Agoritsas T, Stirnemann J, Reny JL, Siegrist CA, Eckerle I, Kaiser L, Vuilleumier N.
PMID: 32722191
J Clin Med. 2020 Jul 24;9(8). doi: 10.3390/jcm9082369.

BACKGROUND: Comparative data of SARS-CoV-2 IgM/IgG serology rapid diagnostic tests (RDTs) is scarce. We thus performed a head-to-head comparison of three RDTs.METHODS: In this unmatched case-control study, blood samples from 41 RT-PCR-confirmed COVID-19 cases and 50 negative controls were...

A portable on-axis laser-heating system for near-90° X-ray spectroscopy: application to ferropericlase and iron silicide.

Journal of synchrotron radiation

Spiekermann G, Kupenko I, Petitgirard S, Harder M, Nyrow A, Weis C, Albers C, Biedermann N, Libon L, Sahle CJ, Cerantola V, Glazyrin K, Konôpková Z, Sinmyo R, Morgenroth W, Sergueev I, Yavaş H, Dubrovinsky L, Tolan M, Sternemann C, Wilke M.
PMID: 32153280
J Synchrotron Radiat. 2020 Mar 01;27:414-424. doi: 10.1107/S1600577519017041. Epub 2020 Feb 13.

A portable IR fiber laser-heating system, optimized for X-ray emission spectroscopy (XES) and nuclear inelastic scattering (NIS) spectroscopy with signal collection through the radial opening of diamond anvil cells near 90°with respect to the incident X-ray beam, is presented....

Showing 1 to 12 of 96 entries