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Journal articles on the topic 'False chirality'

Author: Grafiati
Published: 7 July 2024
Last updated: 31 July 2025

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1

Vavilin, Maxim, and Ivan Fernandez-Corbaton. "Multidimensional measures of electromagnetic chirality and their conformal invariance." New Journal of Physics 24, no. 3 (2022): 033022. http://dx.doi.org/10.1088/1367-2630/ac57e8.

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Abstract Proper assignment of left- and right-handed labels to general chiral objects is known to be a theoretically unfeasible problem. Attempts to utilize a pseudoscalar function to distinguish enantiomers face two unavoidable difficulties: false chiral zeros and unhanded chiral states. In here, we demonstrate how both of these problems can be solved in the context of light–matter interactions. First, we introduce a two-dimensional quantity called complex electromagnetic chirality that solves the problem of false chiral zeros. Next, we define an infinite-dimensional pseudovector called chira
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2

Barron, Laurence D. "Cosmic Chirality both True and False." Chirality 24, no. 12 (2012): 957–58. http://dx.doi.org/10.1002/chir.22106.

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3

Barron, L. D. "True and false chirality and parity violation." Chemical Physics Letters 123, no. 5 (1986): 423–27. http://dx.doi.org/10.1016/0009-2614(86)80035-5.

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4

Barron, Laurence David. "True and false chirality and absolute enantioselection." Rendiconti Lincei 24, no. 3 (2013): 179–89. http://dx.doi.org/10.1007/s12210-013-0224-6.

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5

Barron, L. D. "True and false chirality and absolute asymmetric synthesis." Journal of the American Chemical Society 108, no. 18 (1986): 5539–42. http://dx.doi.org/10.1021/ja00278a029.

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6

Barron, Laurence D. "False Chirality, Absolute Enantioselection and CP Violation: Pierre Curie’s Legacy." Magnetochemistry 6, no. 1 (2020): 5. http://dx.doi.org/10.3390/magnetochemistry6010005.

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The 1884 suggestion of Pierre Curie (1859–1906) that the type of dissymmetry shown by collinear electric and magnetic fields may induce an enantiomeric excess, in a chemical reaction that would otherwise produce a racemic mixture, is explored in the context of fundamental symmetry arguments. Curie’s arrangement exhibits false chirality (time-noninvariant enantiomorphism), and so it may not induce absolute enantioselection (ae) in a process that has reached thermodynamic equilibrium, since it does not lift the degeneracy of chiral enantiomers. However, it may do so in far-from-equilibrium proce
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7

Barron, L. D. "False chirality, CP violation and the breakdown of microscopic reversibility in chiral molecular and elementary particle processes." Journal of Biological Physics 20, no. 1-4 (1995): 235–39. http://dx.doi.org/10.1007/bf00700441.

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8

Krabacher, Rachel, Steve Kim, Yen Ngo, Joseph Slocik, Christina Harsch, and Rajesh Naik. "Identification of Chiral-Specific Carbon Nanotube Binding Peptides Using a Modified Biopanning Method." Chemosensors 9, no. 9 (2021): 245. http://dx.doi.org/10.3390/chemosensors9090245.

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Peptides can recognize and selectively bind to a wide variety of materials dependent on both their surface properties and the environment. Biopanning with phage or cell peptide display libraries can identify material-specific binding peptides. However, the limitations with sequence diversity of traditional bacteriophage (phage) display libraries and loss of unique phage clones during the amplification cycles results in a smaller pool of peptide sequences identified. False positive sequences tend to emerge during the biopanning process due to highly proliferating, yet nonspecific, phages. In or
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9

BROWER, RICHARD C., YUE SHEN, and CHUNG-I. TAN. "CHIRALLY EXTENDED QUANTUM CHROMODYNAMICS." International Journal of Modern Physics C 06, no. 05 (1995): 725–42. http://dx.doi.org/10.1142/s0129183195000599.

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We propose an extended Quantum Chromodynamics (XQCD) Lagrangian in which the fermions are coupled to elementary scalar fields through a Yukawa coupling which preserves chiral invariance. Our principle motivation is to find a new lattice formulation for QCD which avoids the source of critical slowing down usually encountered as the bare quark mass is tuned to the chiral limit. The phase diagram and the weak coupling limit for XQCD are studied. They suggest a conjecture that the continuum limit of XQCD is the same as the continuum limit of conventional lattice formulation of QCD. As examples of
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10

Sun, Chao, Xueyan Zhang, Yuyu Xie, Yunlong Zhou, and Xiaoqing Gao. "True and False Chirality in Chiral Magnetic Nanoparticles." Journal of Physical Chemistry Letters, April 24, 2024, 4679–85. http://dx.doi.org/10.1021/acs.jpclett.4c01016.

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11

Zhang, Rui, Xiao-Chun Li, and Qing Huo Liu. "Tunable terahertz intrinsic chiroptical absorption empowered by accidental bound states in the continuum." Applied Physics Letters 125, no. 21 (2024). http://dx.doi.org/10.1063/5.0237546.

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Terahertz (THz) bound states in the continuum (BICs) present a significant opportunity to achieve ultra-high quality (Q) factors in chiroptical responses, which are essential for high-resolution spin-selective devices. However, most high-Q chiroptical resonances rely on symmetry-protected BICs, attained either via electromagnetic oblique incidence or structural anisotropy to obtain extrinsic chirality (false chirality). Recently, the intrinsic chirality (true chirality) has been achieved through the breaking of both in-plane (C2) and out-of-plane (σz) symmetries. In this Letter, we utilize two
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12

Ettapuram Naduvilepurayil, Ahmed Lafeef, Harel Ginat, Fernando Lorén, Luis Martín-Moreno, Shmuel Sternklar, and Yuri Gorodetski. "Direct Interferometric Measurement of Nonreciprocity Induced by a Plasmonic Metasurface with False Chirality." ACS Photonics, June 20, 2025. https://doi.org/10.1021/acsphotonics.5c00465.

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13

Martinez-Gil, Daniel, Pedro Bargueno, and Salvador Miret-Artés. "On the role of true and false chirality in producing parity-violating energy differences." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 481, no. 2307 (2025). https://doi.org/10.1098/rspa.2023.0938.

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In this work, we tackle the problem of showing which type of influences can lift the degeneracy between truly and falsely chiral systems, showing that only when both systems and influences are both truly (falsely) chiral, a parity violating energy difference between left-handed (L) and right-handed (R) systems can be produced. In particular, after considering the enantiomers of a chiral molecule as paradigmatic truly chiral systems, we rigorously show, under a quantum field theoretical approach, that only a truly chiral influence such as the Z 0 -mediated electroweak interaction can lift the d
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14

Ishito, Kyosuke, Huiling Mao, Yusuke Kousaka та ін. "Truly chiral phonons in α-HgS". Nature Physics, 31 жовтня 2022. http://dx.doi.org/10.1038/s41567-022-01790-x.

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AbstractChirality is a manifestation of the asymmetry inherent in nature. It has been defined as the symmetry breaking of the parity of static objects, and the definition was extended to dynamic motion such that true and false chiralities were distinguished. Recently, rotating, yet not propagating, atomic motions were predicted and observed in two-dimensional materials, and they were referred to as ‘chiral phonons’. A natural development would be the discovery of truly chiral phonons that propagate while rotating in three-dimensional materials. Here we used circularly polarized Raman scatterin
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15

Bondesson, Johan, Ga-Young Suh, Michael D. Dake, Jason T. Lee, and Christopher P. Cheng. "Cardiac Pulsatile Helical Deformation of the Thoracic Aorta Before and After Thoracic Endovascular Aortic Repair of Type B Dissections." Journal of Endovascular Therapy, June 10, 2023, 152660282311795. http://dx.doi.org/10.1177/15266028231179592.

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Purpose: Type B aortic dissections propagate with either achiral (nonspiraling) or right-handed chiral (spiraling) morphology, have mobile dissection flaps, and are often treated with thoracic endovascular aortic repair (TEVAR). We aim to quantify cardiac-induced helical deformation of the true lumen of type B aortic dissections before and after TEVAR. Material and Methods: Retrospective cardiac-gated computed tomography (CT) images before and after TEVAR of type B aortic dissections were used to construct systolic and diastolic 3-dimensional (3D) surface models, including true lumen, whole lu
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16

Portillo, Abiud E., Umang Dhaubhadel, Ondrej Horacek, Y.-S. Sung, and Daniel W. Armstrong. "Investigating chirality in quorum sensing by analysis of Burkholderia cepacia and Vibrio fischeri with comprehensive chiral LC-MS/MS and GC-MS/MS methods." FEMS Microbiology Letters, February 10, 2023. http://dx.doi.org/10.1093/femsle/fnad011.

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Abstract N-Acyl homoserine lactones (N-HLs) are signaling molecules used by Gram-negative bacteria in a phenomenon called quorum sensing (QS). Bacteria will detect N-HLs as a way of monitoring their population which, upon reaching a critical level, will express a specific phenotype. An example is the expression of bioluminescence by Vibrio fischeri. A limited number of studies have considered the chirality of these molecules nor used highly sensitive detection methods. Here, the production of D,L-N-HLs are monitored for V. fischeri, B. cepacia, P. fluorescens and P. putida, using highly sensit
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17

Mersch, Johannes, Nicholas S. Witham, Florian Solzbacher, and Gerald Gerlach. "Continuous textile manufacturing method for twisted coiled polymer artificial muscles." Textile Research Journal, July 25, 2023. http://dx.doi.org/10.1177/00405175231181095.

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Twisted, coiled polymer actuators (TCPAs) are a promising type of fiber-based actuators with high energy density, low material costs, and good recyclability; however, current manufacturing methods limit the length and stability of TCPAs, hampering their potential for large-scale textile applications. To overcome this limitation, we propose a textile manufacturing method based on the false-twisting principle, allowing for continuous and rapid production of highly twisted monofilaments. Additionally, this process enables the plying of two or more twisted monofilaments together, as well as the in
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18

Eich, Andreas, Andrzej Grzechnik, Yixi Su, et al. "Incommensurate magnetic structure of CrAs at low temperatures and high pressures." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 79, no. 6 (2023). http://dx.doi.org/10.1107/s205252062300817x.

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The magnetic structure of chromium arsenide CrAs is studied with neutron powder diffraction at ambient pressure in the temperature range 1.5–300 K as well as with neutron single-crystal diffraction at 2 K and 0.12 GPa. The material undergoes an anti-isostructural phase transition at T N = 267 K and atmospheric conditions, in which both orthorhombic phases have the same space-group symmetry (Pnma, Z = 4) but different distortions of the parent hexagonal structure of the NiAs type (P63/mmc, Z = 2). The magnetic structure below T N is incommensurate with the propagation vector k = (0, 0, k c). At
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19

Lai, Zixi, Di Jin, Yuan Tian, et al. "Enhanced Sensitivity of Cell Identification in Complex Environments Using Chirally Inverted L‐DNA‐Based Logic Devices." Advanced Science, October 14, 2024. http://dx.doi.org/10.1002/advs.202410642.

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AbstractAccurate identification and isolation of target cells are crucial for precision diagnosis and treatment. DNA aptamer‐based logic devices provide a distinct advantage in this context, as they can logically analyze multiple cell surface markers with high efficiency. However, the susceptibility of natural DNA (D‐DNA) to degradation can compromise the sensitivity and specificity of these devices, potentially leading to false‐positive and false‐negative results, particularly in complex biological environments. To address this issue, dual‐ and triple‐aptamer‐based cell‐surface logic devices
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