Gary A. Baker
YOU?
Author Swipe
View article: Microscale photoacoustic imaging via laser-induced ultrasound in microfluidic environments
Microscale photoacoustic imaging via laser-induced ultrasound in microfluidic environments Open
Photoacoustic (PA) imaging offers a powerful non-invasive approach for visualizing optically absorbing structures within biological tissues and microfluidic (MF) devices. While conventional PA imaging often relies on complex inverse proble…
View article: The Importance of Hydrogen Bonded Networks in the Dynamic Heterogeneity of Deep Eutectic Solvents
The Importance of Hydrogen Bonded Networks in the Dynamic Heterogeneity of Deep Eutectic Solvents Open
We have examined the composition-dependent rotational diffusion dynamics of the chromophores perylene (neutral), oxazine 725 (cationic) and disodium fluorescein (anionic) in a series of choline chloride/1,3-propanediol (ChCl/PD) deep eutec…
View article: Property-Driven Design of Thermally Robust Organophosphorus Ionic Liquids for High-Temperature Applications
Property-Driven Design of Thermally Robust Organophosphorus Ionic Liquids for High-Temperature Applications Open
We have developed a class of organophosphorus ionic materials featuring tetraarylphosphonium cations with extended π-conjugated systems via a facile and modular approach. These mesothermal ionic liquids demonstrate exceptional thermal stab…
View article: Role of Heavy Water in the Synthesis and Nanocatalytic Activity of Gold Nanoparticles
Role of Heavy Water in the Synthesis and Nanocatalytic Activity of Gold Nanoparticles Open
Heavy water (D2O) has found extensive application as a moderator in nuclear reactors. Additionally, it serves as a substitute for regular water (H2O) in biological or spectroscopic experiments, providing a deuterium source and addressing c…
View article: Molecular-Scale Interactions in the Choline Chloride–Ethylene Glycol Deep Eutectic Solvent System: The Importance of Chromophore Charge in Mediating Rotational Dynamics
Molecular-Scale Interactions in the Choline Chloride–Ethylene Glycol Deep Eutectic Solvent System: The Importance of Chromophore Charge in Mediating Rotational Dynamics Open
We report on the rotational diffusion dynamics of three chromophores (disodium fluorescein, oxazine 725, and perylene) in a series of choline chloride-ethylene glycol (ChCl:EG) deep eutectic solvent (DES) systems. We observe behavior indep…
View article: The Huge Role of Tiny Impurities in Nanoscale Synthesis
The Huge Role of Tiny Impurities in Nanoscale Synthesis Open
Nanotechnology is vital to many current industries, including electronics, energy, textiles, agriculture, and theranostics. Understanding the chemical mechanisms of nanomaterial synthesis has contributed to the tunability of their unique p…
View article: Ionic liquids and electrochemistry: from proteins to electrochromic devices.
Ionic liquids and electrochemistry: from proteins to electrochromic devices. Open
We will report on a wide range of activities within the chemistry division at Los Alamos National Laboratory. Results on basic and applied research involving electrochemistry will be discussed. Topics will include electrochemistry of prote…
View article: Silver(I)-induced anisotropy in the plasmon-driven growth of nanoscale gold
Silver(I)-induced anisotropy in the plasmon-driven growth of nanoscale gold Open
The plasmon-mediated synthesis of anisotropic gold nanoparticles (AuNPs) has only recently been investigated and achieved. This process typically utilizes the surface plasmon resonances (SPRs) of the nanoparticles themselves to drive metal…
View article: Structure-Dependence and Mechanistic Insights into the Piezoelectric Effect in Ionic Liquids
Structure-Dependence and Mechanistic Insights into the Piezoelectric Effect in Ionic Liquids Open
We reported recently that two imidazolium room-temperature ionic liquids (RTILs) exhibit the direct piezoelectric effect (J. Phys. Chem. Lett., 2023, 14, 2731-2735). We have subsequently investigated several other RTILs with pyrrolidinium …
View article: CCDC 2267032: Experimental Crystal Structure Determination
CCDC 2267032: 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: Do Ionic Liquids Slow Down in Stages?
Do Ionic Liquids Slow Down in Stages? Open
High impact recent articles have reported on the existence of a liquid-liquid (L-L) phase transition as a function of both pressure and temperature in ionic liquids (ILs) containing the popular trihexyltetradecylphosphonium cation (P666,14…
View article: Purposefully Designed Surfactants for Facile and Controllable Gold Colloidal Nanocrystal Synthesis
Purposefully Designed Surfactants for Facile and Controllable Gold Colloidal Nanocrystal Synthesis Open
Three new cationic surfactants-N-cetyl-bis(2-dimethylaminoethyl)ether bromide (CBDEB), N-dodecyl-bis(2-dimethylaminoethyl)ether bromide (DBDEB), and N-hexyl-bis(2-dimethylaminoethyl)ether bromide (HBDEB)-have been designed herein using a s…
View article: CCDC 2071418: Experimental Crystal Structure Determination
CCDC 2071418: 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 1955663: Experimental Crystal Structure Determination
CCDC 1955663: 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: Surface Programmable Polycationic Nanoclay Supports Yielding 100,000 per Hour Turnover Frequencies for a Nanocatalyzed Canonical Nitroarene Reduction
Surface Programmable Polycationic Nanoclay Supports Yielding 100,000 per Hour Turnover Frequencies for a Nanocatalyzed Canonical Nitroarene Reduction Open
We present our investigation of bimetallic nanoparticles supported on two-dimensional, surface chemistry-tuned ionic liquid-functionalized polyionic nanoclays (PINCs). Namely, we have evaluated the impact of covalently tethered functionali…
View article: CCDC 2205101: Experimental Crystal Structure Determination
CCDC 2205101: 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 2205099: Experimental Crystal Structure Determination
CCDC 2205099: 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 2205100: Experimental Crystal Structure Determination
CCDC 2205100: 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: Superbase-derived protic ionic liquids
Superbase-derived protic ionic liquids Open
Protic ionic liquids having a composition of formula (A.sup.-)(BH.sup.+) wherein A.sup.- is a conjugate base of an acid HA, and BH.sup.+ is a conjugate acid of a superbase B. In particular embodiments, BH.sup.+ is selected from phosphazeni…
View article: Nanocapsules of unprecedented internal volume seamed by calcium ions
Nanocapsules of unprecedented internal volume seamed by calcium ions Open
A new class of pyrogallol[4]arene metal-organic nanocapsules has been discovered which are seamed by Ca 2+ -containing polyatomic ions and have unprecedented internal volume.
View article: Functionalized ionic liquids for CO <sub>2</sub> capture under ambient pressure
Functionalized ionic liquids for CO <sub>2</sub> capture under ambient pressure Open
Ionic liquids (ILs) have been widely explored as alternative solvents for carbon dioxide (CO2) capture and utilization. However, most of these processes are under pressures significantly higher than atmospheric level, which not only levies…
View article: Anticancer Agents as Design Archetypes: Insights into the Structure–Property Relationships of Ionic Liquids with a Triarylmethyl Moiety
Anticancer Agents as Design Archetypes: Insights into the Structure–Property Relationships of Ionic Liquids with a Triarylmethyl Moiety Open
A fundamental challenge underlying the design principles of ionic liquids (ILs) entails a lack of understanding into how tailored properties arise from the molecular framework of the constituent ions. Herein, we present detailed analyses o…
View article: Halide effects on the performance of equimolar choline halide: guanidinium thiocyanate deep eutectic solvents as dye-sensitized solar cell electrolytes
Halide effects on the performance of equimolar choline halide: guanidinium thiocyanate deep eutectic solvents as dye-sensitized solar cell electrolytes Open
We have characterized the deep eutectic solvent (DES) comprising a 1:1 equimolar mixture of choline chloride and guanidinium thiocyanate (‘guaniline–Cl’), alongside its halide counterparts wherein the bromide or iodide salts of choline are…
View article: Silver‐Mediated Squaric Acid Reduction as a Facile, Ambient‐temperature and Seedless Route to Tunable Bimetallic Au/Ag Nanostars and Nanosnowflakes
Silver‐Mediated Squaric Acid Reduction as a Facile, Ambient‐temperature and Seedless Route to Tunable Bimetallic Au/Ag Nanostars and Nanosnowflakes Open
Bimetallic Au/Ag nanoparticles were successfully synthesized using a facile and reproducible method involving rapid, room‐temperature mixing of aqueous solutions of HAuCl 4 and AgNO 3 in the presence of squaric acid as both the reducing ag…