Results 1 to 10 of about 1,246,125 (117)

Dynamically switchable magnetic resonance imaging contrast agents

open access: yesExploration, 2021
Contrast agents can improve the sensitivity and resolution of magnetic resonance imaging (MRI) by accelerating the relaxation times of surrounding water protons.
Qiyue Wang   +5 more
doaj   +2 more sources

Clinical fluorescent contrast agents for image-guided surgery [PDF]

open access: yesFundamental Research
Fluorescence image-guided surgery (FIGS) has become an essential modality to improve intraoperative decision-making by enhancing real-time visualization of anatomical structures and pathological lesions.
Jingyao Wang   +5 more
doaj   +2 more sources

Activatable smart contrast agents for photoacoustic imaging [PDF]

open access: yesSmart Molecules
Photoacoustic imaging (PAI) uniquely merges the molecular contrast of optical absorption with the centimeter‐scale penetration afforded by ultrasound detection, enabling noninvasive visualization of deep physiology beyond the reach of purely optical ...
Donghyeon Oh   +5 more
doaj   +2 more sources

Dimethyl 3,3′-[(4-nitrophenyl)methylene]bis(1H-indole-2-carboxylate) ethanol hemisolvate

open access: yesIUCrData, 2021
There are two main molecules in asymmetric unit of the title compound, C27H21N3O6·0.5C2H5OH. In both, the indole ring systems are approximately perpendicular to each other, at dihedral angles of 69.3 (5) and 82.8(4)°. In the crystal, molecules are linked
Yu-Long Li   +6 more
doaj   +1 more source

7,8-Dimethyl-11H-indeno[1,2-b]quinoxalin-11-one

open access: yesIUCrData, 2021
In the title compound, C17H12N2O, the mean planes of the indene ring and quinoxaline system (r.m.s. deviations = 0.0131 and 0.0082 Å) are approximately parallel to one another, making a dihedral angle of 1.2 (5)°.
Lin Chen, Jin Hu, Hong-Shun Sun
doaj   +1 more source

Diethyl 3,3′-[(3-fluorophenyl)methylene]bis(1H-indole-2-carboxylate)

open access: yesIUCrData, 2020
In the title compound, C29H25FN2O4, the mean planes of the indole ring systems are approximately perpendicular to one another [dihedral angle = 88.3 (4)°]. The benzene ring is twisted with respect to the indole ring systems by 49.8 (5) and 77.6 (3)°.
Hong Jiang   +7 more
doaj   +1 more source

Crystal structure of catena-poly[[μ2-1,3-bis[(1H-imidazol-1- yl)methyl]benzene-N:N′]-(μ2–D–camphorato-O, O′: O″, O‴)cadmium(II)], C48H56Cd2N8O8

open access: yesZeitschrift für Kristallographie - New Crystal Structures, 2023
C48H56Cd2N8O8, monoclinic, P21 (no. 4), a = 10.7150(6) Å, b = 15.5902(8) Å, c = 14.3463(7) Å, β = 91.032(2)°, V = 2396.1(2) Å3, Z = 2, Rgt(F) = 0.0504, wRref(F2) = 0.1339, T = 173 K.
Sun Hong-Shun
doaj   +1 more source

The crystal structure of 1-((1-methyl-1H-1,2,4-triazol-3-yl) methyl)-3-(2,4,5-trifluorobenzyl)-1,3,5-triazinane-2,4,6-trione, C14H11F3N6O3

open access: yesZeitschrift für Kristallographie - New Crystal Structures, 2023
C14H11F3N6O3, orthorhombic, Pbca (no. 61), a = 8.08620(10) Å, b = 15.4730(2) Å, c = 23.5892(2) Å, V = 2951.43(6) Å3, Z = 8, R gt(F) = 0.0463, wR ref(F 2) = 0.1395, T = 293 K.
Du Yi-Jing   +3 more
doaj   +1 more source

MRI Contrast Agents in Glycobiology

open access: yesMolecules, 2022
Molecular recognition involving glycoprotein-mediated interactions is ubiquitous in both normal and pathological natural processes. Therefore, visualization of these interactions and the extent of expression of the sugars is a challenge in medical ...
Carlos F. G. C. Geraldes, Joop A. Peters
doaj   +1 more source

The crystal structure of N-(6-chloro-2-methyl-2H-indazol-5-yl)acetamide, C10H10ClN3O

open access: yesZeitschrift für Kristallographie - New Crystal Structures, 2023
C10H10ClN3O, monoclinic, P21/c (no. 14), a = 4.7273(7) Å, b = 10.2148(16) Å, c = 21.283(3) Å, β = 91.458(4)°, V = 1027.4(3) Å3, Z = 4, Rgt ${R}_{gt}$ (F) = 0.0623, wRref $w{R}_{ref}$ (F 2) = 0.1287, T = 193 K.
Du Yi-Jing   +3 more
doaj   +1 more source

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