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Showing 1 to 12 of 54 entries
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X-ray nanotomography using near-field ptychography.

Optics express

Stockmar M, Hubert M, Dierolf M, Enders B, Clare R, Allner S, Fehringer A, Zanette I, Villanova J, Laurencin J, Cloetens P, Pfeiffer F, Thibault P.
PMID: 26074526
Opt Express. 2015 May 18;23(10):12720-31. doi: 10.1364/OE.23.012720.

Propagation-based imaging or inline holography in combination with computed tomography (holotomography) is a versatile tool to access a sample's three-dimensional (3D) micro or nano structure. However, the phase retrieval step needed prior to tomographic reconstruction can be challenging especially...

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Stockmar M, Hubert M, Dierolf M, et al. X-ray nanotomography using near-field ptychography. Opt Express. 2015;23(10):12720-31doi: 10.1364/OE.23.012720.
Stockmar, M., Hubert, M., Dierolf, M., Enders, B., Clare, R., Allner, S., Fehringer, A., Zanette, I., Villanova, J., Laurencin, J., Cloetens, P., Pfeiffer, F., & Thibault, P. (2015). X-ray nanotomography using near-field ptychography. Optics express, 23(10), 12720-31. https://doi.org/10.1364/OE.23.012720
Stockmar, Marco, et al. "X-ray nanotomography using near-field ptychography." Optics express vol. 23,10 (2015): 12720-31. doi: https://doi.org/10.1364/OE.23.012720
Stockmar M, Hubert M, Dierolf M, Enders B, Clare R, Allner S, Fehringer A, Zanette I, Villanova J, Laurencin J, Cloetens P, Pfeiffer F, Thibault P. X-ray nanotomography using near-field ptychography. Opt Express. 2015 May 18;23(10):12720-31. doi: 10.1364/OE.23.012720. PMID: 26074526.
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Direct evidence of nanometric invasionlike grain boundary penetration in the A(1)/Ga system.

Physical review letters

Pereiro-López E, Ludwig W, Bellet D, Cloetens P, Lemaignan C.
PMID: 16384153
Phys Rev Lett. 2005 Nov 18;95(21):215501. doi: 10.1103/PhysRevLett.95.215501. Epub 2005 Nov 14.

We report the first in situ results of deformation during grain boundary penetration in the A(1)/Ga system, obtained with a novel, nondestructive hard x-ray synchrotron projection microscopy technique. Focusing the beam to a state-of-the-art spot size of 90 x...

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Pereiro-López E, Ludwig W, Bellet D, et al. Direct evidence of nanometric invasionlike grain boundary penetration in the A(1)/Ga system. Phys Rev Lett. 2005;95(21):215501doi: 10.1103/PhysRevLett.95.215501.
Pereiro-López, E., Ludwig, W., Bellet, D., Cloetens, P., & Lemaignan, C. (2005). Direct evidence of nanometric invasionlike grain boundary penetration in the A(1)/Ga system. Physical review letters, 95(21), 215501. https://doi.org/10.1103/PhysRevLett.95.215501
Pereiro-López, E, et al. "Direct evidence of nanometric invasionlike grain boundary penetration in the A(1)/Ga system." Physical review letters vol. 95,21 (2005): 215501. doi: https://doi.org/10.1103/PhysRevLett.95.215501
Pereiro-López E, Ludwig W, Bellet D, Cloetens P, Lemaignan C. Direct evidence of nanometric invasionlike grain boundary penetration in the A(1)/Ga system. Phys Rev Lett. 2005 Nov 18;95(21):215501. doi: 10.1103/PhysRevLett.95.215501. Epub 2005 Nov 14. PMID: 16384153.
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Mixed transfer function and transport of intensity approach for phase retrieval in the Fresnel region.

Optics letters

Guigay JP, Langer M, Boistel R, Cloetens P.
PMID: 17572724
Opt Lett. 2007 Jun 15;32(12):1617-9. doi: 10.1364/ol.32.001617.

We present a method for phase retrieval in propagation-based x-ray imaging, based on the contrast transfer and transport of intensity equation approaches. We show that the contrast transfer model does not coincide with the transport of intensity in the...

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Guigay JP, Langer M, Boistel R, et al. Mixed transfer function and transport of intensity approach for phase retrieval in the Fresnel region. Opt Lett. 2007;32(12):1617-9doi: 10.1364/ol.32.001617.
Guigay, J. P., Langer, M., Boistel, R., & Cloetens, P. (2007). Mixed transfer function and transport of intensity approach for phase retrieval in the Fresnel region. Optics letters, 32(12), 1617-9. https://doi.org/10.1364/ol.32.001617
Guigay, Jean Pierre, et al. "Mixed transfer function and transport of intensity approach for phase retrieval in the Fresnel region." Optics letters vol. 32,12 (2007): 1617-9. doi: https://doi.org/10.1364/ol.32.001617
Guigay JP, Langer M, Boistel R, Cloetens P. Mixed transfer function and transport of intensity approach for phase retrieval in the Fresnel region. Opt Lett. 2007 Jun 15;32(12):1617-9. doi: 10.1364/ol.32.001617. PMID: 17572724.
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Experimental growth law for bubbles in a moderately "wet" 3D liquid foam.

Physical review letters

Lambert J, Cantat I, Delannay R, Mokso R, Cloetens P, Glazier JA, Graner F.
PMID: 17930803
Phys Rev Lett. 2007 Aug 03;99(5):058304. doi: 10.1103/PhysRevLett.99.058304. Epub 2007 Aug 02.

We used x-ray tomography to characterize the geometry of all bubbles in a liquid foam of average liquid fraction phi(l) approximately 17% and to follow their evolution, measuring the normalized growth rate G=V(-1/3) dV/dt for 7000 bubbles. While G...

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Lambert J, Cantat I, Delannay R, et al. Experimental growth law for bubbles in a moderately "wet" 3D liquid foam. Phys Rev Lett. 2007;99(5):058304doi: 10.1103/PhysRevLett.99.058304.
Lambert, J., Cantat, I., Delannay, R., Mokso, R., Cloetens, P., Glazier, J. A., & Graner, F. (2007). Experimental growth law for bubbles in a moderately "wet" 3D liquid foam. Physical review letters, 99(5), 058304. https://doi.org/10.1103/PhysRevLett.99.058304
Lambert, Jérôme, et al. "Experimental growth law for bubbles in a moderately "wet" 3D liquid foam." Physical review letters vol. 99,5 (2007): 058304. doi: https://doi.org/10.1103/PhysRevLett.99.058304
Lambert J, Cantat I, Delannay R, Mokso R, Cloetens P, Glazier JA, Graner F. Experimental growth law for bubbles in a moderately "wet" 3D liquid foam. Phys Rev Lett. 2007 Aug 03;99(5):058304. doi: 10.1103/PhysRevLett.99.058304. Epub 2007 Aug 02. PMID: 17930803.
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Fractional Talbot imaging of phase gratings with hard x rays.

Optics letters

Cloetens P, Guigay JP, De Martino C, Baruchel J, Schlenker M.
PMID: 18185750
Opt Lett. 1997 Jul 15;22(14):1059-61. doi: 10.1364/ol.22.001059.

Fractional Talbot images of optical gratings acting as periodic phase objects have been obtained by use of x rays of 0.069-nm wavelength from a third-generation synchrotron radiation source. Quantitative evaluation of the data obtained as a function of defocusing...

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Cloetens P, Guigay JP, De Martino C, et al. Fractional Talbot imaging of phase gratings with hard x rays. Opt Lett. 1997;22(14):1059-61doi: 10.1364/ol.22.001059.
Cloetens, P., Guigay, J. P., De Martino, C., Baruchel, J., & Schlenker, M. (1997). Fractional Talbot imaging of phase gratings with hard x rays. Optics letters, 22(14), 1059-61. https://doi.org/10.1364/ol.22.001059
Cloetens, P, et al. "Fractional Talbot imaging of phase gratings with hard x rays." Optics letters vol. 22,14 (1997): 1059-61. doi: https://doi.org/10.1364/ol.22.001059
Cloetens P, Guigay JP, De Martino C, Baruchel J, Schlenker M. Fractional Talbot imaging of phase gratings with hard x rays. Opt Lett. 1997 Jul 15;22(14):1059-61. doi: 10.1364/ol.22.001059. PMID: 18185750.
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Hierarchical radioscopy using polychromatic and partially coherent hard synchrotron radiation.

Applied optics

Rack A, García-Moreno F, Helfen L, Mukherjee M, Jiménez C, Rack T, Cloetens P, Banhart J.
PMID: 24513767
Appl Opt. 2013 Nov 20;52(33):8122-7. doi: 10.1364/AO.52.008122.

Pushing synchrotron x-ray radiography to increasingly higher image-acquisition rates (currently up to 100,000 fps) while maintaining spatial resolutions in the micrometer range implies drastically reduced fields of view. As a consequence, either imaging a small subregion of the sample...

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Rack A, García-Moreno F, Helfen L, et al. Hierarchical radioscopy using polychromatic and partially coherent hard synchrotron radiation. Appl Opt. 2013;52(33):8122-7doi: 10.1364/AO.52.008122.
Rack, A., García-Moreno, F., Helfen, L., Mukherjee, M., Jiménez, C., Rack, T., Cloetens, P., & Banhart, J. (2013). Hierarchical radioscopy using polychromatic and partially coherent hard synchrotron radiation. Applied optics, 52(33), 8122-7. https://doi.org/10.1364/AO.52.008122
Rack, Alexander, et al. "Hierarchical radioscopy using polychromatic and partially coherent hard synchrotron radiation." Applied optics vol. 52,33 (2013): 8122-7. doi: https://doi.org/10.1364/AO.52.008122
Rack A, García-Moreno F, Helfen L, Mukherjee M, Jiménez C, Rack T, Cloetens P, Banhart J. Hierarchical radioscopy using polychromatic and partially coherent hard synchrotron radiation. Appl Opt. 2013 Nov 20;52(33):8122-7. doi: 10.1364/AO.52.008122. PMID: 24513767.
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The Effect of Extensive Human Presence at an Early Age on Stress Responses and Reactivity of Juvenile Ostriches towards Humans.

Animals : an open access journal from MDPI

Muvhali PT, Bonato M, Engelbrecht A, Malecki IA, Hough D, Robinson JE, Evans NP, Cloete SWP.
PMID: 30301126
Animals (Basel). 2018 Oct 05;8(10). doi: 10.3390/ani8100175.

The effect of extensive human presence and regular gentle handling performed at an early age (0⁻3 months old) on stress responses and reactivity of juvenile ostriches towards humans was investigated. A total of 416 ostrich chicks over two years...

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Muvhali PT, Bonato M, Engelbrecht A, et al. The Effect of Extensive Human Presence at an Early Age on Stress Responses and Reactivity of Juvenile Ostriches towards Humans. Animals (Basel). 2018;8(10)doi: 10.3390/ani8100175.
Muvhali, P. T., Bonato, M., Engelbrecht, A., Malecki, I. A., Hough, D., Robinson, J. E., Evans, N. P., & Cloete, S. W. P. (2018). The Effect of Extensive Human Presence at an Early Age on Stress Responses and Reactivity of Juvenile Ostriches towards Humans. Animals : an open access journal from MDPI, 8(10), . https://doi.org/10.3390/ani8100175
Muvhali, Pfunzo T, et al. "The Effect of Extensive Human Presence at an Early Age on Stress Responses and Reactivity of Juvenile Ostriches towards Humans." Animals : an open access journal from MDPI vol. 8,10 (2018). doi: https://doi.org/10.3390/ani8100175
Muvhali PT, Bonato M, Engelbrecht A, Malecki IA, Hough D, Robinson JE, Evans NP, Cloete SWP. The Effect of Extensive Human Presence at an Early Age on Stress Responses and Reactivity of Juvenile Ostriches towards Humans. Animals (Basel). 2018 Oct 05;8(10). doi: 10.3390/ani8100175. PMID: 30301126; PMCID: PMC6210211.
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Chemical Fingerprint of Zn-Hydroxyapatite in the Early Stages of Osteogenic Differentiation.

ACS central science

Procopio A, Malucelli E, Pacureanu A, Cappadone C, Farruggia G, Sargenti A, Castiglioni S, Altamura D, Sorrentino A, Giannini C, Pereiro E, Cloetens P, Maier JAM, Iotti S.
PMID: 31482128
ACS Cent Sci. 2019 Aug 28;5(8):1449-1460. doi: 10.1021/acscentsci.9b00509. Epub 2019 Aug 16.

The core knowledge about biomineralization is provided by studies on the advanced phases of the process mainly occurring in the extracellular matrix. Here, we investigate the early stages of biomineralization by evaluating the chemical fingerprint of the initial mineral...

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Procopio A, Malucelli E, Pacureanu A, et al. Chemical Fingerprint of Zn-Hydroxyapatite in the Early Stages of Osteogenic Differentiation. ACS Cent Sci. 2019;5(8):1449-1460doi: 10.1021/acscentsci.9b00509.
Procopio, A., Malucelli, E., Pacureanu, A., Cappadone, C., Farruggia, G., Sargenti, A., Castiglioni, S., Altamura, D., Sorrentino, A., Giannini, C., Pereiro, E., Cloetens, P., Maier, J. A. M., & Iotti, S. (2019). Chemical Fingerprint of Zn-Hydroxyapatite in the Early Stages of Osteogenic Differentiation. ACS central science, 5(8), 1449-1460. https://doi.org/10.1021/acscentsci.9b00509
Procopio, Alessandra, et al. "Chemical Fingerprint of Zn-Hydroxyapatite in the Early Stages of Osteogenic Differentiation." ACS central science vol. 5,8 (2019): 1449-1460. doi: https://doi.org/10.1021/acscentsci.9b00509
Procopio A, Malucelli E, Pacureanu A, Cappadone C, Farruggia G, Sargenti A, Castiglioni S, Altamura D, Sorrentino A, Giannini C, Pereiro E, Cloetens P, Maier JAM, Iotti S. Chemical Fingerprint of Zn-Hydroxyapatite in the Early Stages of Osteogenic Differentiation. ACS Cent Sci. 2019 Aug 28;5(8):1449-1460. doi: 10.1021/acscentsci.9b00509. Epub 2019 Aug 16. PMID: 31482128; PMCID: PMC6716342.
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3D high resolution imaging for microelectronics: A multi-technique survey on copper pillars.

Ultramicroscopy

Fraczkiewicz A, Lorut F, Audoit G, Boller E, Capria E, Cloetens P, Da Silva J, Farcy A, Mourier T, Ponthenier F, Bleuet P.
PMID: 29957329
Ultramicroscopy. 2018 Oct;193:71-83. doi: 10.1016/j.ultramic.2018.04.012. Epub 2018 Jun 15.

In microelectronics, recently developed 3D integration offers the possibility to stack the dice or wafers vertically instead of putting their different parts next to one another, in order to save space. As this method becomes of greater interest, the...

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Fraczkiewicz A, Lorut F, Audoit G, et al. 3D high resolution imaging for microelectronics: A multi-technique survey on copper pillars. Ultramicroscopy. 2018;193:71-83doi: 10.1016/j.ultramic.2018.04.012.
Fraczkiewicz, A., Lorut, F., Audoit, G., Boller, E., Capria, E., Cloetens, P., Da Silva, J., Farcy, A., Mourier, T., Ponthenier, F., & Bleuet, P. (2018). 3D high resolution imaging for microelectronics: A multi-technique survey on copper pillars. Ultramicroscopy, 19371-83. https://doi.org/10.1016/j.ultramic.2018.04.012
Fraczkiewicz, A, et al. "3D high resolution imaging for microelectronics: A multi-technique survey on copper pillars." Ultramicroscopy vol. 193 (2018): 71-83. doi: https://doi.org/10.1016/j.ultramic.2018.04.012
Fraczkiewicz A, Lorut F, Audoit G, Boller E, Capria E, Cloetens P, Da Silva J, Farcy A, Mourier T, Ponthenier F, Bleuet P. 3D high resolution imaging for microelectronics: A multi-technique survey on copper pillars. Ultramicroscopy. 2018 Oct;193:71-83. doi: 10.1016/j.ultramic.2018.04.012. Epub 2018 Jun 15. PMID: 29957329.
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A hierarchical approach for modeling X-ray beamlines: application to a coherent beamline.

Journal of synchrotron radiation

Sanchez Del Rio M, Celestre R, Glass M, Pirro G, Herrera JR, Barrett R, da Silva JC, Cloetens P, Shi X, Rebuffi L.
PMID: 31721731
J Synchrotron Radiat. 2019 Nov 01;26:1887-1901. doi: 10.1107/S160057751901213X. Epub 2019 Oct 18.

Different approaches to simulate a modern X-ray beamline are considered. Several methodologies with increasing complexity are applied to discuss the relevant parameters that quantify the beamline performance. Parameters such as flux, dimensions and intensity distribution of the focused beam,...

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Sanchez Del Rio M, Celestre R, Glass M, et al. A hierarchical approach for modeling X-ray beamlines: application to a coherent beamline. J Synchrotron Radiat. 2019;26:1887-1901doi: 10.1107/S160057751901213X.
Sanchez Del Rio, M., Celestre, R., Glass, M., Pirro, G., Herrera, J. R., Barrett, R., da Silva, J. C., Cloetens, P., Shi, X., & Rebuffi, L. (2019). A hierarchical approach for modeling X-ray beamlines: application to a coherent beamline. Journal of synchrotron radiation, 261887-1901. https://doi.org/10.1107/S160057751901213X
Sanchez Del Rio, Manuel, et al. "A hierarchical approach for modeling X-ray beamlines: application to a coherent beamline." Journal of synchrotron radiation vol. 26 (2019): 1887-1901. doi: https://doi.org/10.1107/S160057751901213X
Sanchez Del Rio M, Celestre R, Glass M, Pirro G, Herrera JR, Barrett R, da Silva JC, Cloetens P, Shi X, Rebuffi L. A hierarchical approach for modeling X-ray beamlines: application to a coherent beamline. J Synchrotron Radiat. 2019 Nov 01;26:1887-1901. doi: 10.1107/S160057751901213X. Epub 2019 Oct 18. PMID: 31721731.
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Holographic imaging with a hard x-ray nanoprobe: ptychographic versus conventional phase retrieval.

Optics letters

Robisch AL, Wallentin J, Pacureanu A, Cloetens P, Salditt T.
PMID: 27906228
Opt Lett. 2016 Dec 01;41(23):5519-5522. doi: 10.1364/OL.41.005519.

We have performed near-field x-ray imaging with simultaneous object and probe reconstruction. By an advanced ptychographic algorithm based on longitudinal and lateral translations, full-field images of nanoscale objects are reconstructed with quantitative contrast values, along with the extended wavefronts...

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Robisch AL, Wallentin J, Pacureanu A, et al. Holographic imaging with a hard x-ray nanoprobe: ptychographic versus conventional phase retrieval. Opt Lett. 2016;41(23):5519-5522doi: 10.1364/OL.41.005519.
Robisch, A. L., Wallentin, J., Pacureanu, A., Cloetens, P., & Salditt, T. (2016). Holographic imaging with a hard x-ray nanoprobe: ptychographic versus conventional phase retrieval. Optics letters, 41(23), 5519-5522. https://doi.org/10.1364/OL.41.005519
Robisch, A-L, et al. "Holographic imaging with a hard x-ray nanoprobe: ptychographic versus conventional phase retrieval." Optics letters vol. 41,23 (2016): 5519-5522. doi: https://doi.org/10.1364/OL.41.005519
Robisch AL, Wallentin J, Pacureanu A, Cloetens P, Salditt T. Holographic imaging with a hard x-ray nanoprobe: ptychographic versus conventional phase retrieval. Opt Lett. 2016 Dec 01;41(23):5519-5522. doi: 10.1364/OL.41.005519. PMID: 27906228.
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Deciphering the Resistance-Counteracting Functions of Ferroquine in Plasmodium falciparum-Infected Erythrocytes.

ACS medicinal chemistry letters

Dubar F, Bohic S, Dive D, Guérardel Y, Cloetens P, Khalife J, Biot C.
PMID: 24900498
ACS Med Chem Lett. 2012 Apr 13;3(6):480-3. doi: 10.1021/ml300062q. eCollection 2012 Jun 14.

The aminoquinoline chloroquine (CQ) has been widely used for treating malaria since World War II. Resistance to CQ began to spread around 1957 and is now found in all malarious areas of the world. CQ resistance is caused by...

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Dubar F, Bohic S, Dive D, et al. Deciphering the Resistance-Counteracting Functions of Ferroquine in Plasmodium falciparum-Infected Erythrocytes. ACS Med Chem Lett. 2012;3(6):480-3doi: 10.1021/ml300062q.
Dubar, F., Bohic, S., Dive, D., Guérardel, Y., Cloetens, P., Khalife, J., & Biot, C. (2012). Deciphering the Resistance-Counteracting Functions of Ferroquine in Plasmodium falciparum-Infected Erythrocytes. ACS medicinal chemistry letters, 3(6), 480-3. https://doi.org/10.1021/ml300062q
Dubar, Faustine, et al. "Deciphering the Resistance-Counteracting Functions of Ferroquine in Plasmodium falciparum-Infected Erythrocytes." ACS medicinal chemistry letters vol. 3,6 (2012): 480-3. doi: https://doi.org/10.1021/ml300062q
Dubar F, Bohic S, Dive D, Guérardel Y, Cloetens P, Khalife J, Biot C. Deciphering the Resistance-Counteracting Functions of Ferroquine in Plasmodium falciparum-Infected Erythrocytes. ACS Med Chem Lett. 2012 Apr 13;3(6):480-3. doi: 10.1021/ml300062q. eCollection 2012 Jun 14. PMID: 24900498; PMCID: PMC4025787.
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Showing 1 to 12 of 54 entries