Zobrazeno 1 - 10
of 6 816
pro vyhledávání: '"Optical activity"'
Autor:
A. M. Khabibrakhmanova, R. G. Faizova, D. P. Gerasimova, E. Y. Trizna, O. A. Lodochnikova, A. R. Kayumov, L. Z. Latypova, A. R. Kurbangalieva
Publikováno v:
Учёные записки Казанского университета: Серия Естественные науки, Vol 166, Iss 4, Pp 563 -589 (2024)
A series of optically active 5(S)-(l-bornyloxy)- and 5(S)-(l-menthyloxy)-2(5H)-furanones with an arylthio group at the C(4) position of the γ-lactone ring was synthesized and studied for its oxidation reactions with various reagents. Novel 2(5H)-fur
Externí odkaz:
https://doaj.org/article/f90e4398301943af8bcbaadfe0bd4c4d
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract The construction of covalent organic frameworks with special geometery and optical properties is of high interest, due to their unique physicochemical and biological properties. In this work, we report on a new method for the construction of
Externí odkaz:
https://doaj.org/article/bfbb156debb942adb4e65056c7de85db
Publikováno v:
eXPRESS Polymer Letters, Vol 18, Iss 6, Pp 607-622 (2024)
The paper presents the photomechanical effect generated in new azo side-chain polyimides synthesized through a post-functionalization strategy involving the Mitsunobu reaction. Prepared azo polyimide foils were irradiated by a 405 nm diode-laser beam
Externí odkaz:
https://doaj.org/article/023fb639de324288b37ef7341bc2a559
Publikováno v:
Results in Optics, Vol 18, Iss , Pp 100767- (2025)
In this paper we describe a low cost polarimetric optical fiber sensor based on a BSO magneto-optic crystal and plastic fibers spectrally interrogated with a smartphone. We analyze the spectral and the intensity distortions introduced by the smartpho
Externí odkaz:
https://doaj.org/article/be14013e06044be3a1dbc49621936a7c
Akademický článek
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Autor:
Roman P. Terekhov, Anastasiya D. Savina, Denis I. Pankov, Maria D. Korochkina, Amir Taldaev, Liubov M. Yakubovich, Sergey P. Zavadskiy, Anastasiya K. Zhevlakova, Irina A. Selivanova
Publikováno v:
Frontiers in Chemistry, Vol 12 (2024)
Dihydroquercetin (DHQ) is a representative of flavonoids that is available on the market as a food supplement and registered as an active pharmaceutical ingredient. The structure of this compound is characterized by the presence of two chiral centers
Externí odkaz:
https://doaj.org/article/1018de7c81ce4c82bc36889ad00246ed
Publikováno v:
Radio Physics and Radio Astronomy, Vol 29, Iss 1, Pp 015-025 (2024)
Subject and Purpose. The research focuses on how the resonance frequencies, the Q-factor of resonances, and the polarization plane rotation ability are influenced by the topology of individual components of a planar-chiral double-layer object consist
Externí odkaz:
https://doaj.org/article/7e73c25fcb97409aa8aeab7e1e6806db
Publikováno v:
Advanced Science, Vol 11, Iss 1, Pp n/a-n/a (2024)
Abstract Raman optical activity (ROA) is commonly measured with green light (532 nm) excitation. At this wavelength, however, Raman scattering of europium complexes is masked by circularly polarized luminescence (CPL). This can be avoided using near
Externí odkaz:
https://doaj.org/article/b3899d74ae4249a6957bb02a0e0e9731
Autor:
Rasmiah Saad A. Almufarij, Alaa El-Deen Ali, Mohamed Elsayed Elba, Howida Eid Okab, Ollaa Moftah Mailoud, Hamida Abdel-Hamid, Howida Abouel Fetouh Elsayed
Publikováno v:
Applied Nano, Vol 4, Iss 2, Pp 115-137 (2023)
The purpose of this study is to modify all physicochemical properties of glycine–copper sulphate single crystals, such as crystal habits, molar mass, thermal stability, optical activity, and electrical properties. The novelty of this study is growt
Externí odkaz:
https://doaj.org/article/d003455d59694434bf4cf73435a69840
Akademický článek
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