Results 161 to 170 of about 6,675 (237)

Chirp-modulated light-induced thermoelastic spectroscopy for simultaneous precise measurement of resonant frequency and gas concentration. [PDF]

Photoacoustics
Chen X, Chen X, Yao L, Hu M, Liu H, Kan R.   +5 more
europepmc   +1 more source

Racial and Skin Tone Differences in Scar Maturation: A Prospective Analysis of Aesthetic and Physiological Outcomes Using the Modified POSAS Scale

International Wound Journal, Volume 23, Issue 4, April 2026.
ABSTRACT Scar outcomes are known to vary by skin tone and race, yet few studies have systematically evaluated these differences using validated tools. To evaluate differences in scar maturation across Fitzpatrick skin types and racial groups from 3 to 12 months postoperatively using the modified Patient and Observer Scar Assessment Scale (POSAS) scale.
Antoinette T. Nguyen, Rena A. Li, Tarifa H. Adam, Thomas A. Mustoe, Chad Teven, Robert D. Galiano   +5 more
wiley   +1 more source

Multiple reflection: A Route to enhanced sensitivity in beam-deflection optical ultrasound sensing. [PDF]

Photoacoustics
You Y, Niu P, Ma Y, Zhang P.
europepmc   +1 more source

Multimodal Approach for Recalcitrant Melasma Using Picosecond Laser and Topical JAK Inhibition: A Case Report

Journal of Cosmetic Dermatology, Volume 25, Issue 4, April 2026.
ABSTRACT Background Melasma is a chronic hyperpigmentation disorder with high relapse rates, particularly in Fitzpatrick skin types III–V. Increasing evidence implicates cytokine‐driven inflammation and visible light–induced melanogenesis as key contributors to disease persistence.
Hasan Ashkanani, Maryam AlZaabi, Abdulaziz AlRasheed, Wael AlDaraji   +3 more
wiley   +1 more source

Bridging light and sound: A spironaphtopyran-rhodamine dyad with high-contrast photoswitching between fluorescence and photoacoustic signal. [PDF]

Photoacoustics
Kaydanov N, Olesińska-Mönch M, Leite M, Prevedel R, Deo C.   +4 more
europepmc   +1 more source

Stable Carbon and Oxygen Isotope Analysis of Carbonates and DIC Using the Delta Ray Isotope Ratio Infrared Spectrometer (IRIS): Precise and Accurate Measurements Applying a 3‐Point Calibration and Standard Bracketing

Rapid Communications in Mass Spectrometry, Volume 40, Issue 6, 30 March 2026.
ABSTRACT Rationale The Delta Ray Isotope Ratio Infrared Spectrometer enables to determine δ13C and δ18O values of CO2. The measurements are calibrated against internal reference gas standards. For discrete carbonate or dissolved inorganic carbon (DIC) samples, the manufacturer recommends a calibration against two isotopically different carbonate ...
Maximilian Hansen, Jakob Brettschneider, Hubert Vonhof, Denis Scholz   +3 more
wiley   +1 more source

Differential photoacoustic-stimulated Raman spectroscopy (DPA-SRS) for high-sensitivity hydrogen detection. [PDF]

Photoacoustics
Yu X, Li Z, Liu J, Xu H, Miao J, Wang C, Fang Y, Pan Y, Fang Y.   +8 more
europepmc   +1 more source

Dual-comb photoacoustic and photothermal spectroscopy: A comprehensive review. [PDF]

Photoacoustics
Zhang C, Pelini J, Dello Russo S, De Natale P, de Cumis MS, Borri S.   +5 more
europepmc   +1 more source

Simultaneous extraction of photoelastic constants and strain profiles from picosecond ultrasonic echoes via spectral analysis. [PDF]

Photoacoustics
Tomoda M, Matsuda O, Tachizaki T, Wiltshaw R, Ogi H, Wright OB.   +5 more
europepmc   +1 more source

Spectral photoacoustic imaging of age-related reproductive tract collagen changes in a mouse model of prolapse. [PDF]

Photoacoustics
Markel AC, Puri V, Domingo MJE, Miller KS, Bayer CL.   +4 more
europepmc   +1 more source