Results 121 to 130 of about 9,843 (297)

Differences in predominant collagen fiber orientation between dorsal and plantar trabecular bone tracts of adult mule deer calcanei suggest strain‐mode‐specific adaptation

open access: yesThe Anatomical Record, EarlyView.
Polarized microscopic images of the outer bone cortex (a and b) and deeper trabecular bone (c and d) of the deer calcaneus in thin cross‐sections. The brighter gray levels reflect more oblique‐to‐transverse collagen fibers in the compression/dorsal bone (a, c) and the darker gray levels reflect more longitudinal collagen in the tension/plantar bone (b,
John G. Skedros   +3 more
wiley   +1 more source

The measurement of temperature with using of birefringence crystals as detectors [PDF]

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2009
The carried out researches allowed to motivate and put into practice the polarizatoin-optical method of temperature measurement based on the phenomenon of temperature alteration in value of birefringence of the optically anisotropic crystals.
Gaba V. M.
doaj  

Temperature characteristics of Pockels electro-optic voltage sensor with double crystal compensation

open access: yesAIP Advances, 2016
Voltage sensors based on the Pockels electro-optic effect in LiNbO3 crystals have been applied to practical engineering measurements because of their passive nature, wide operating bands, and low transmission loss.
Wenxia Sima   +4 more
doaj   +1 more source

Characterization of the extracellular matrix from human and dog umbilical cords

open access: yesThe Anatomical Record, EarlyView.
Abstract The extracellular matrix is important for maintaining tissue morphogenesis and homeostasis; it can also be used as a biomaterial for the production of biological scaffolds. Particularly, the umbilical cord has shown potential in the production of scaffolds for small‐diameter vessels.
Ana Carla Mendonça   +6 more
wiley   +1 more source

Morphological Control of Aurophilic Chains of Gold(I) Dithiolate Dimers With Alkali and Alkali Earth Cations

open access: yesChemistry – A European Journal, EarlyView.
Luminescent coordination polymers of Group 1 (Li, K, Cs) and 2 (Mg─Ba) cations with gold(I) iso‐maleonitriledithiolate ({Au2[S2C = C(CN)2]}2−) units were prepared; 1‐D aurophilic chains are present in all cases. The structures strongly depend on cation charge and size, with N‐cyano coordination observed in the Gp 1 and larger Gp 2 cations. Increasingly
Jefferson A. Pells   +2 more
wiley   +1 more source

Temperature-Dependent Polarization Characterization and Birefringence Inversion in Super-Twisted Nematic Liquid Crystals

open access: yesPhotonics
The temperature-dependent polarization performance of super-twisted nematic liquid crystals (STN-LCs) when used as polarizers has garnered considerable scholarly attention.
Houtong Liu   +4 more
doaj   +1 more source

Birefringence in single-mode optical fibres

open access: yes, 1982
The birefringence properties of single-mode optical-fibre waveguides are discussed.A fibre birefringence measurement system has been developed specifically to measure the birefringence of fibres as a function of temperature, wavelength, twist and bending.
Barlow, Arthur John
core  

Progression and prognostic significance of electrocardiographic findings in patients with cardiac amyloidosis

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 809-818, April 2025.
Abstract Aims This study aimed to evaluate the change of the main electrocardiographic (ECG) characteristics and their prognostic role across the main subtypes of cardiac amyloidosis [light‐chain amyloidosis (AL) and hereditary (ATTRv) and wild‐type transthyretin amyloidosis (ATTRwt)].
Alessia Argirò   +20 more
wiley   +1 more source

Mechanophores for Mechano‐Imaging in Polymeric Materials

open access: yesHelvetica Chimica Acta, EarlyView.
Mechanophore‐based mechanochromic systems convert mechanical forces in polymers into optical signals, enabling direct imaging of stress localization and molecular damage. This perspective highlights recent advances in mechanophore design and their use to probe local mechanics across diverse polymer matrices, and concludes by outlining opportunities for
Jess M. Clough
wiley   +1 more source

Research progress on the use of the optical coherence tomography system for the diagnosis and treatment of central nervous system tumors

open access: yesIbrain, Volume 11, Issue 1, Page 3-18, Spring 2025.
With the advantages of high‐resolution imaging, efficient image acquisition, intraoperative real‐time detection, and radiation‐free and noninvasive characteristics, optical coherence tomography (OCT) provides accurate diagnosis and effective intraoperative guidance for the minimally invasive diagnosis and treatment of central nervous system (CNS ...
Jiuhong Li   +10 more
wiley   +1 more source

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