Christopher J. Ackerson
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View article: Diverse Superatomic Magnetic and Spin Properties of Au<sub>144</sub>(SC<sub>8</sub>H<sub>9</sub>)<sub>60</sub> Clusters
Diverse Superatomic Magnetic and Spin Properties of Au<sub>144</sub>(SC<sub>8</sub>H<sub>9</sub>)<sub>60</sub> Clusters Open
Au144(SC8H9)60, a colloidal cluster with a 1.7 nm inorganic diameter, exhibits both metallic and molecular-like behavior, along with a distribution of unfilled superatom states. Its 1.7-2.5 eV electronic transitions were probed with variab…
View article: CCDC 2164639: Experimental Crystal Structure Determination
CCDC 2164639: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2164642: Experimental Crystal Structure Determination
CCDC 2164642: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2164640: Experimental Crystal Structure Determination
CCDC 2164640: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2164641: Experimental Crystal Structure Determination
CCDC 2164641: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Chiral and Achiral Crystal Structures of Au<sub>25</sub>(PET)<sub>18</sub><sup>0</sup> Reveal Effects of Ligand Rotational Isomerization on Optoelectronic Properties
Chiral and Achiral Crystal Structures of Au<sub>25</sub>(PET)<sub>18</sub><sup>0</sup> Reveal Effects of Ligand Rotational Isomerization on Optoelectronic Properties Open
The crystal structures of 4 ligand‐rotational isomers of Au 25 (PET) 18 are presented. Two new ligand‐rotational isomers are revealed, and two higher‐quality structures (allowing complete solution of the ligand shell) of previously solved …
View article: In situ Synthesis of Metal Selenide Nanoparticles by Selenium Nanoparticle Disproportionation
In situ Synthesis of Metal Selenide Nanoparticles by Selenium Nanoparticle Disproportionation Open
Amorphous Selenium Nanoparticles (α-SeNPs) exist in a metastable state of polymeric Se8 rings and Sen chains that break and reform by electron propagation. Here we show that this quality can underlie the formation of metal selenide nanopar…
View article: Cloneable Selenium Nanoparticles As Multi-modal Bio-imaging Contrast Agents
Cloneable Selenium Nanoparticles As Multi-modal Bio-imaging Contrast Agents Open
A cloneable NanoParticle (cNP) is an inorganic nanoparticle that is synthesized by a protein. The protein determines the elemental composition, size, morphology, and other properties of the nanoparticle. Here, we describe the use of a clon…
View article: Laboratory Evolution of Metalloid Reductase Substrate Specificity and Product Size
Laboratory Evolution of Metalloid Reductase Substrate Specificity and Product Size Open
: Glutathione Reductase-Like Metalloid Reductase (GRLMR) is an enzyme that reduces selenodiglutathione (GS-Se-SG), forming zerovalent Se nanoparticles (SeNPs). Error prone polymerase chain reaction was used to create a library of ~10,000 G…
View article: Soluble metallogels including antimicrobial silver metallogels
Soluble metallogels including antimicrobial silver metallogels Open
A product includes a metallogel material having metal ions dispersed in an assembly having an organic compound. A method includes combining a metal salt, an organic compound precursor, and a glyme for forming a metallogel material having m…
View article: Cloneable inorganic nanoparticles
Cloneable inorganic nanoparticles Open
When a defined protein/peptide (or combinations thereof) control and define the synthesis of an inorganic nanoparticle, the result is a cloneable NanoParticle (cNP).
View article: Editorial: Microbial Biominerals: Toward New Functions and Resource Recovery
Editorial: Microbial Biominerals: Toward New Functions and Resource Recovery Open
EDITORIAL article Front. Microbiol., 29 November 2021Sec. Microbiological Chemistry and Geomicrobiology Volume 12 - 2021 | https://doi.org/10.3389/fmicb.2021.796374
View article: Radiofrequency remote control of thermolysin activity
Radiofrequency remote control of thermolysin activity Open
The majority of biological processes are regulated by enzymes, precise control over specific enzymes could create the potential for controlling cellular processes remotely. We show that the thermophilic enzyme thermolysin can be remotely a…
View article: Identification of a TeO32− reductase/mycothione reductase from<i>Rhodococcus erythropolis</i>PR4
Identification of a TeO32− reductase/mycothione reductase from<i>Rhodococcus erythropolis</i>PR4 Open
A Rhodococcus erythropolis bacterium that tolerates normally lethal concentrations of Fe(II), Cu(II), AsO32−, SeO32−, TeO32−, Cd(II) and Zn(II) was identified from an environmental isolate. In characterizing the molecular basis for metal t…
View article: Inhibition of HIV Fusion with Multivalent Gold Nanoparticles
Inhibition of HIV Fusion with Multivalent Gold Nanoparticles Open
The design and synthesis of a multivalent gold nanoparticle therapeutic is presented. SDC-1721, a fragment of the potent HIV inhibitor TAK-779, was synthesized and conjugated to 2.0 nm diameter gold nanoparticles. Free SDC-1721 had no inhi…
View article: Metalloid Reductase Activity Modified by a Fused Se<sup>0</sup> Binding Peptide
Metalloid Reductase Activity Modified by a Fused Se<sup>0</sup> Binding Peptide Open
A selenium nanoparticle binding peptide was isolated from a phage display library and genetically fused to a metalloid reductase that reduces selenite (SeO32-) to a Se0 nanoparticle (SeNP) form. The fusion of the Se binding peptide to the …
View article: Superatom Paramagnetism in Au<sub>102</sub>(SR)<sub>44</sub><sup>1–/0/1+/2+</sup> Oxidation States
Superatom Paramagnetism in Au<sub>102</sub>(SR)<sub>44</sub><sup>1–/0/1+/2+</sup> Oxidation States Open
Gold nanoclusters show distinctive magnetic properties and electronic structure. Nanoclusters of sufficiently small size restructure geometrically to stabilize electronically (e.g., a Jahn-Teller effect), whereas geometric distortion may n…
View article: <i>Cluster-mining</i>: an approach for determining core structures of metallic nanoparticles from atomic pair distribution function data
<i>Cluster-mining</i>: an approach for determining core structures of metallic nanoparticles from atomic pair distribution function data Open
A novel approach for finding and evaluating structural models of small metallic nanoparticles is presented. Rather than fitting a single model with many degrees of freedom, libraries of clusters from multiple structural motifs are built al…
View article: Enzyme-Catalyzed in Situ Synthesis of Temporally and Spatially Distinct CdSe Quantum Dots in Biological Backgrounds
Enzyme-Catalyzed in Situ Synthesis of Temporally and Spatially Distinct CdSe Quantum Dots in Biological Backgrounds Open
The cellular machinery of metal metabolism is capable of making a wide range of inorganic nanoparticles and quantum dots. Individual enzymes from these metabolic pathways are being identified with metal reducing activity, and some have bee…
View article: Radiofrequency Remote Control of Thermolysin Activity
Radiofrequency Remote Control of Thermolysin Activity Open
Nearly all biological processes are regulated by enzymes, precise control over specific enzymes could create the potential for controlling cellular processes remotely. We have successfully shown that the thermophilic enzyme thermolysin can…
View article: Cluster-mining: an approach for determining core structures of metallic nanoparticles from atomic pair distribution function (PDF) data
Cluster-mining: an approach for determining core structures of metallic nanoparticles from atomic pair distribution function (PDF) data Open
Accurate determination of the structure of metallic nanomaterials is a key step towards understanding and controlling their properties.This is especially challenging for ultrasmall particles where x-ray diffraction data is often not amenab…
View article: Cluster-mining: An approach for determining core structures of metallic nanoparticles from atomic pair distribution function data
Cluster-mining: An approach for determining core structures of metallic nanoparticles from atomic pair distribution function data Open
We present a novel approach for finding and evaluating structural models of small metallic nanoparticles. Rather than fitting a single model with many degrees of freedom, the approach algorithmically builds libraries of nanoparticle cluste…
View article: CCDC 1888785: Experimental Crystal Structure Determination
CCDC 1888785: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1888789: Experimental Crystal Structure Determination
CCDC 1888789: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1888781: Experimental Crystal Structure Determination
CCDC 1888781: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1888783: Experimental Crystal Structure Determination
CCDC 1888783: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1888786: Experimental Crystal Structure Determination
CCDC 1888786: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1888787: Experimental Crystal Structure Determination
CCDC 1888787: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1888779: Experimental Crystal Structure Determination
CCDC 1888779: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …