The Landscape of Gold Nanocrystal Surface Chemistry.

ConspectusGold nanoparticles (AuNPs) exhibit unique size- and shape-dependent properties not obtainable at the macroscale. Gold nanorods (AuNRs), with their morphology-dependent optical properties, ability to convert light to heat, and high surface-to-volume ratios, are of great interest for biosensing, medicine, and catalysis. While the gold core provides many fascinating properties, this Account focuses on AuNP soft surface coatings, which govern the interactions of nanoparticles with the local environments.

Honeycomb-Structure RuI , A New Quantum Material Related to α-RuCl.

The layered honeycomb lattice material α-RuCl has emerged as a prime candidate for displaying the Kitaev quantum spin liquid state, and as such has attracted much research interest. Here a new layered honeycomb lattice polymorph of RuI , a material that is strongly chemically and structurally related to α-RuCl is described The material is synthesized at moderately elevated pressures and is stable under ambient conditions. Preliminary characterization reveals that it is a metallic conductor, with the absence of long-range magnetic order down to 0.

Synthesis, structure, and magnetism of BCC KIrO.

KIrO3 in the body-centered cubic variant of the KSbO3-type structure is reported. Black cube-shaped single crystals, obtained from the solid-state reaction in a half-closed silver capsule in a sealed quartz tube, were used for the structural characterization by single-crystal X-ray diffraction. The material, space group Im3[combining macron] (no.

High-pressure discovery of β-NiBi.

Herein, we present the discovery of a new high-pressure phase in the Ni-Bi system, β-NiBi, which crystallizes in the TlI structure type. The powerful technique of in situ high-pressure and high-temperature powder X-ray diffraction enabled observation of the formation of β-NiBi and its reversible reconversion to the ambient pressure phase, α-NiBi.

HCEC pearls and pitfalls: suggested do's and don't's for healthcare ethics consultants.

Members of the Clinical Ethics Consultation Affairs Standing Committee of the American Society for Bioethics and Humanities present a collection of insights and recommendations developed from their collective experience, intended for those engaged in the work of healthcare ethics consultation.

Ethical dimensions of elective primary cesarean delivery.

Cesarean deliveries are among the most common surgical procedures performed in the United States. Recent publications demonstrate the reduced risks of these operations and describe their potential benefits to both mothers and children. Recent surveys show that a substantial minority of obstetricians would accede to patients' requests for elective primary cesarean delivery, and some of these professionals would prefer that mode of delivery for themselves or their partners.

Counseling patients when abortion is legal and the fetus is viable.

In the wake of the 1973 US Supreme Court decision legalizing abortion, many states instituted laws allowing voluntary termination of pregnancy up to 24 weeks. Improvements in neonatal medicine since then mean that some fetuses may be viable at gestational ages less than 24 weeks. Thus clinicians and patients may confront the dilemma of the fetus that is both legally "abortable" and potentially viable.

Patient consent and negotiation in the Brooklyn gynecological practice of Alexander J.C. Skene: 1863-1900.

The prevailing view in bioethics is that the relationship between doctors and their patients was largely a silent one before the landmark court decisions of the twentieth century. Some have proposed that this was not always the case. This paper provides historical evidence of consent and negotiation in one nineteenth century gynecological practice.

I think they're doing research on my patients, but I can't get anyone to listen.

JONA's Management Case Studies presents provocative issues in nursing management, including personnel management, ethics, labor relations, economics, staffing, interdisciplinary relations, and career management. Experts in the field share their perspectives on the issue. Readers are encouraged to submit cases of 250 to 300 words.