Results 141 to 150 of about 27,734 (298)

Laser-spectroscopic measurement techniques for hypersonic, turbulent wind tunnel flows [PDF]

open access: yes
A review is given of the nature, present status, and capabilities of two laser spectroscopic methods for the simultaneous measurement of temperature, density, and their fluctuations owing to turbulence in high speed wind tunnel flows. One method is based
Fletcher, Douglas G.   +1 more
core   +1 more source

Geochemical and petrographic re‐evaluation of ungrouped iron meteorites from Western Australia

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract Under the current classification scheme, ungrouped irons make up ~11% of all recognized iron meteorites. A further ~7% of iron meteorites are currently classified as simply “irons” and are yet to be fully classified. To potentially classify these meteorites, newer approaches, including either statistical modeling or advanced geochemical ...
Ashley Rogers   +6 more
wiley   +1 more source

Spectroscopic analysis of bacterial photoreactivation

open access: yesPhotochemistry and Photobiology, Volume 101, Issue 2, Page 494-504, March/April 2025.
This study investigates the effectiveness of fluorescence and Raman spectroscopy in detecting bacterial photoreactivation. Fluorescence spectroscopy shows limitations, because the intense fluorescence of tryptophan and tyrosine masks fluorescence emitted by thymine molecules.
Keyvan Khosh Abady   +4 more
wiley   +1 more source

EFFECTS OF ULTRAVIOLET RADIATION OF EXCIMER LASERS ON SCLERAL TISSUE OF THE HUMAN EYE (EXPERIMENTAL STUDY)

open access: yesОфтальмохирургия, 2015
Purpose. To study an effect of excimer laser with different wavelengths (248, 308 and 353nm) on sclera.Material and methods. For the experiment 3 laser units, generating radiation with wavelengths of 248, 308 and 353nm were created. There were determined
V. V. Chernykh   +6 more
doaj  

Fluorescent proteins: A journey from the cell to extreme environments in material science

open access: yesPhotochemistry and Photobiology, EarlyView.
Applications of proteins and microorganisms as tools or effectors in material science. Abstract This review presents the progression from the use of fluorescent proteins (FPs) and chromoproteins as bioimaging labels and sensors to the strategic engineering of their properties for robust functionality in synthetic and non‐biological environments ...
Bianca Menchicchi   +3 more
wiley   +1 more source

Efficacy and Safety of Laser Therapy and Phototherapy in Cicatricial and NonCicatricial Alopecia: A Systematic Review Study

open access: yesHealth Science Reports
Background and Aims In recent years, the application of various light and laser devices in the treatment of different types of alopecia has been established.
Mohammad Amin Jafari   +4 more
doaj   +1 more source

Surface germylation process for KrF excimer laser lithography.

open access: diamond, 1992
Yasuhiro Yoshida   +4 more
openalex   +2 more sources

Alloxazine derivatives as multifunctional agents for photodynamic therapy, cancer cell imaging, and cell proliferation inhibition

open access: yesPhotochemistry and Photobiology, EarlyView.
Alloxazine photosensitizers, molecularly engineered through sugar conjugation and methoxy substitution to enhance solubility, photodynamic potency, and fluorescence, enable image‐guided photodynamic therapy while inhibiting cancer cell growth in the absence of photoactivation.
Rubej R. Khan   +7 more
wiley   +1 more source

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