Jaka filozofia śmierci?

Szabat, Marta

doi:10.14394/etyka.1166

Cited by 1 publication

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“…3A, Tables S5 and S6). DNA is known to adopt a variety of parallel structures 42 , but not previously an explicit arrangement that accommodates both Ag-mediated base pairs and a metallic cluster. Beyond metal-mediated interactions, the strands stabilize each other by five hydrogen bonding interactions (~3.0 Å), forming a spiral-like base pairing arrangement across seven of the eight cytosine base pairs (Fig.…”

Section: Dna Configurationmentioning

confidence: 99%

Atomic Structure of a Fluorescent Ag₈ Cluster Templated by a Multistranded DNA Scaffold

et al. 2018

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Multinuclear silver clusters encapsulated by DNA exhibit size-tunable emission spectra and rich photophysics, but their atomic organization is poorly understood. Herein, we describe the structure of one such hybrid chromophore, a green-emitting Ag 8 cluster arranged in a Big Dipper shape bound to the oligonucleotide A 2 C 4. Three 3' cytosine metallo-base pairs stabilize a parallel Aform-like duplex with a 5' adenine-rich pocket, which binds a metallic, trapezoidal-shaped Ag 5 moiety via Ag-N bonds to endo-and exo-cyclic nitrogens of cytosine and adenine. The unique DNA configuration, constrained coordination environment, and templated Ag 8 cluster arrangement highlight the reciprocity between the silvers and DNA in adopting this structure. These first atomic details of a DNA-encapsulated Ag cluster fluorophore illuminate many aspects of biological assembly, nanoscience, and metal cluster photophysics.

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Section: Dna Configurationmentioning

confidence: 99%

Atomic Structure of a Fluorescent Ag₈ Cluster Templated by a Multistranded DNA Scaffold

et al. 2018

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Jaka filozofia śmierci?

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Cited by 1 publication

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Atomic Structure of a Fluorescent Ag₈ Cluster Templated by a Multistranded DNA Scaffold

Atomic Structure of a Fluorescent Ag₈ Cluster Templated by a Multistranded DNA Scaffold

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Jaka filozofia śmierci?

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Cited by 1 publication

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Atomic Structure of a Fluorescent Ag8 Cluster Templated by a Multistranded DNA Scaffold

Atomic Structure of a Fluorescent Ag8 Cluster Templated by a Multistranded DNA Scaffold

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Atomic Structure of a Fluorescent Ag₈ Cluster Templated by a Multistranded DNA Scaffold

Atomic Structure of a Fluorescent Ag₈ Cluster Templated by a Multistranded DNA Scaffold