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The presence of speckle noise and dislocations makes phase restoration potentially difficult in quantitative phase imaging and metrology. Unfortunately, there is no appropriate approach to deal with phase data corrupted by high speckle noise and phase dislocations. Usually, processing schemes may deal with low-pass phase filtering, phase unwrapping, or phase inpainting. This paper discusses the efficient processing to deal with noisy phase maps corrupted with phase dislocations. Six processing schemes, combining four operations, are evaluated. The investigation is carried out by realistic numerical simulations in which strong decorrelation phase noise and phase dislocations are generated. As a result, most robust and faster processing is established. The applicability of the optimal scheme is demonstrated through deformation measurement in dental materials.
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http://dx.doi.org/10.1364/AO.58.00G187 | DOI Listing |
Org Lett
September 2025
Shanghai Institute for Advanced Immunochemical Studies & School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.
To address the current limitations of DNA-compatible Sonogashira cross-coupling reactions capable of accommodating a broad range of commercially available phenolic building blocks (BBs), an SuFEx-Sonogashira cross-coupling protocol has been developed. This protocol involves the conversion of readily accessible phenolic compounds into the corresponding aryl fluorosulfates within 96-well microplates via a highly efficient liquid-phase SuFEx reaction, followed by Sonogashira cross-coupling with DNA-conjugated terminal alkynes.
View Article and Find Full Text PDFJ Phys Chem B
September 2025
Key Laboratory of Physics and Technology for Advanced Batteries, College of Physics, Jilin University, Changchun 130012, China.
Understanding hydrogen bonding and ion-specific interactions in water, sodium sulfate (NaSO), and acetonitrile (ACN) systems remains challenging due to their complex, dynamic nature. Here, Raman spectroscopy is employed to probe hydrogen bonding networks and ion reorganization in NaSO aqueous solutions with different ACN concentrations. The results indicate that, at low ACN concentrations in the ternary solutions, hydrogen bonding between ACN and water molecules disrupts the original hydration structure of the ions, resulting in the formation of small ion clusters via electrostatic interactions.
View Article and Find Full Text PDFNeurol Res Pract
September 2025
German Neurological Society, Berlin, Germany.
Background: Recreational nitrous oxide (NO) abuse has become increasingly prevalent, raising concerns about associated health risks. In Germany, the lack of reliable data on NO consumption patterns limits the development of effective public health interventions. This study aims to address this knowledge gap by examining trends, determinants, and health consequences of NO abuse in Germany.
View Article and Find Full Text PDFNutr J
September 2025
Department of Life Sciences, Division of Food and Nutrition Science, Chalmers University of Technology, Gothenburg, 412 96, Sweden.
Background: Avenanthramides (AVAs) and Avenacosides (AVEs) are unique to oats (Avena Sativa) and may serve as biomarkers of oat intake. However, information regarding their validity as food intake biomarkers is missing. We aimed to investigate critical validation parameters such as half-lives, dose-response, matrix effects, relative bioavailability under single dose, and in relation to the abundance of Feacalibacterium prausnitzii, and under repeated dosing, to understand the potential applications of AVAs and AVEs as biomarkers of oat intake.
View Article and Find Full Text PDFBMC Womens Health
September 2025
Society for Family Health-Nigeria, Abuja, Nigeria.
Background: Interventions aimed to increase healthcare provider empathy and capacity to deliver person-centered care have been shown to improve healthcare seeking and outcomes. In the context of self-injectable contraception, empathetic counseling and coaching may be promising approaches for addressing "fear of the needle" among clients interested in using subcutaneous depot medroxyprogesterone (DMPA-SC). In Nigeria, the Delivering Innovation in Self-Care (DISC) project developed and evaluated an empathy-based in-service training and supportive supervision intervention for public sector family (FP) planning providers implemented in conjunction with community-based mobilization.
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