Search Results - "Szyc, Łukasz"

In vivo two-photon-excited cellular fluorescence of melanin, NAD(P)H, and keratin enables an accurate differential diagnosis of seborrheic keratosis and pigmented cutaneous melanoma by Szyc, Łukasz, Scharlach, Constantin, Haenssle, Holger, Fink, Christine

“…Significance: Seborrheic keratoses (SKs) are harmless pigmented skin lesions (PSLs) that may be confused clinically not only with other benign conditions but…”
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Aqueous Solvation of Ammonia and Ammonium: Probing Hydrogen Bond Motifs with FT-IR and Soft X‑ray Spectroscopy by Ekimova, Maria, Quevedo, Wilson, Szyc, Łukasz, Iannuzzi, Marcella, Wernet, Philippe, Odelius, Michael, Nibbering, Erik T. J

“…In a multifaceted investigation combining local soft X-ray and vibrational spectroscopic probes with ab initio molecular dynamics simulations, hydrogen-bonding…”
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Decelerated Water Dynamics and Vibrational Couplings of Hydrated DNA Mapped by Two-Dimensional Infrared Spectroscopy by Yang, Ming, Szyc, Łukasz, Elsaesser, Thomas

“…Double-stranded DNA oligomers containing 23 alternating adenine-thymine base pairs are studied at different hydration levels by femtosecond two-dimensional…”
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Ultrafast Energy Exchange via Water−Phosphate Interactions in Hydrated DNA by Szyc, Łukasz, Yang, Ming, Elsaesser, Thomas

“…The ionic phosphate groups in the DNA backbone play a key role for DNA hydration. We study ultrafast vibrational dynamics and local interactions of phosphate…”
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Femtosecond Two-Dimensional Infrared Spectroscopy of Adenine-Thymine Base Pairs in DNA Oligomers by Yang, Ming, Szyc, Łukasz, Elsaesser, Thomas

“…NH and NH2 stretching excitations of adenine-thymine base pairs in double-stranded DNA oligomers are studied by femtosecond two-dimensional (2D) infrared…”
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Ultrafast Vibrational Dynamics and Local Interactions of Hydrated DNA by Szyc, Łukasz, Yang, Ming, Nibbering, Erik T. J., Elsaesser, Thomas

“…Biochemical processes occur mainly in aqueous environments, where interactions with water molecules play a key role for both the structure and function of…”
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Diagnostic Performance of a Support Vector Machine for Dermatofluoroscopic Melanoma Recognition: The Results of the Retrospective Clinical Study on 214 Pigmented Skin Lesions by Szyc, Łukasz, Hillen, Uwe, Scharlach, Constantin, Kauer, Friederike, Garbe, Claus

“…The need for diagnosing malignant melanoma in its earliest stages results in an increasing number of unnecessary excisions. Objective criteria beyond the…”
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Development of a handheld fluorescence imaging camera for intraoperative sentinel lymph node mapping by Szyc, Łukasz, Bonifer, Stefanie, Walter, Alfred, Jagemann, Uwe, Grosenick, Dirk, Macdonald, Rainer

“…We present a compact fluorescence imaging system developed for real-time sentinel lymph node mapping. The device uses two near-infrared wavelengths to record…”
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Vibrational dynamics of the water shell of DNA studied by femtosecond two-dimensional infrared spectroscopy by Yang, Ming, Szyc, Łukasz, Elsaesser, Thomas

“…[Display omitted] ► Femtosecond two-dimensional infrared spectroscopy of hydrated DNA. ► Separation of NH stretching excitations of DNA base pairs and OH…”
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Resolving the excited state relaxation dynamics of guanosine monomers and hydrogen-bonded homodimers in chloroform solution by Ingle, Rebecca A., Roberts, Gareth M., Röttger, Katharina, Marroux, Hugo J.B., Sönnichsen, Frank D., Yang, Ming, Szyc, Łukasz, Harabuchi, Yu, Maeda, Satoshi, Temps, Friedrich, Orr-Ewing, Andrew J.

“…The relaxation pathways of silyl-modified guanosine nucleoside monomers (G) and double-hydrogen-bonded homodimers (GG1) are compared in chloroform solution…”
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Dynamics and Couplings of N−H Stretching Excitations of Guanosine−Cytidine Base Pairs in Solution by Yang, Ming, Szyc, Łukasz, Röttger, Katharina, Fidder, Henk, Nibbering, Erik T. J, Elsaesser, Thomas, Temps, Friedrich

“…N−H stretching vibrations of hydrogen-bonded guanosine−cytidine (G·C) base pairs in chloroform solution are studied with linear and ultrafast nonlinear…”
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The Hydrogen-Bonded 2-Pyridone Dimer Model System. 1. Combined NMR and FT-IR Spectroscopy Study by Szyc, Łukasz, Guo, Jing, Yang, Ming, Dreyer, Jens, Tolstoy, Peter M, Nibbering, Erik T. J, Czarnik-Matusewicz, Bogusława, Elsaesser, Thomas, Limbach, Hans-Heinrich

“…2-Pyridone (PD), converting to 2-hydroxypyridine (HP) through a lactam−lactim isomerization mechanism, can form three different cyclic dimers by hydrogen bond…”
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The Hydrogen-Bonded 2-Pyridone Dimer Model System. 2. Femtosecond Mid-Infrared Pump−Probe Study by Yang, Ming, Szyc, Łukasz, Dreyer, Jens, Nibbering, Erik T. J., Elsaesser, Thomas

“…2-Pyridone (PD) tautomerises to 2-hydroxypyridine (HP) in liquid solution, the equilibrium of which is solvent dependent. Dimerization of PD and HP leads to…”
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Ultrafast dynamics of N–H and O–H stretching excitations in hydrated DNA oligomers by Szyc, Łukasz, Dwyer, Jason R., Nibbering, Erik T.J., Elsaesser, Thomas

“…DNA oligomers containing 23 alternating adenine–thymine base pairs are studied at different hydration levels by ultrafast two-color pump–probe spectroscopy…”
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Note: an environmental cell for transient spectroscopy on solid samples in controlled atmospheres by Dwyer, Jason R, Szyc, Łukasz, Nibbering, Erik T J, Elsaesser, Thomas

“…A sample cell for performing time-resolved spectroscopy on solid samples within an atmosphere of controlled vapor composition was designed and constructed…”
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Ultrafast Vibrational Dynamics of Adenine-Thymine Base Pairs in DNA Oligomers by Dwyer, Jason R, Szyc, Łukasz, Nibbering, Erik T. J, Elsaesser, Thomas

“…N−H stretching excitations of DNA oligomers containing 23 alternating adenine-thymine base pairs are studied in femtosecond two-color pump−probe experiments…”
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FTIR-ATR investigations of an α-helix to β-sheet conformational transition in poly( l-lysine) by Szyc, Łukasz, Pilorz, Sylwia, Czarnik-Matusewicz, Bogusława

“…A promising application of the multivariate curve resolution based on alternating least squares (MCR-ALS) method is reported for the analysis of the…”
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New Aspects Regarding the Fluorescence Spectra of Melanin and Neuromelanin in Pigmented Human Tissue Concerning Hypoxia by Leupold, Dieter, Buder, Susanne, Pfeifer, Lutz, Szyc, Lukasz, Riederer, Peter, Strobel, Sabrina, Monoranu, Camelia-Maria

“…Melanin is a crucial pigment in melanomagenesis. Its fluorescence in human tissue is exceedingly weak but can be detected through advanced laser spectroscopy…”
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Melanin and Neuromelanin Fluorescence Studies Focusing on Parkinson's Disease and Its Inherent Risk for Melanoma by Leupold, Dieter, Szyc, Lukasz, Stankovic, Goran, Strobel, Sabrina, Völker, Hans-Ullrich, Fleck, Ulrike, Müller, Thomas, Scholz, Matthias, Riederer, Peter, Monoranu, Camelia-Maria

“…Parkinson's disease is associated with an increased risk of melanoma (and vice versa). Several hypotheses underline this link, such as pathways affecting both…”
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Ultraschnelle Schwingungsdynamik und lokale Wechselwirkungen in hydratisierter DNA by Szyc, Łukasz, Yang, Ming, Nibbering, Erik T. J., Elsaesser, Thomas

“…Biochemische Prozesse laufen überwiegend in wässriger Umgebung ab. Eine Schlüsselrolle für Struktur und Funktion von Biomolekülen spielt dabei die…”
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