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The Science of Nanostructure Acoustic Vibrations.
Annu Rev Phys Chem
January 2025
Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana, USA;
Ultrafast excitation of nanoparticles can excite the acoustic vibrational modes of the structure that correlate with the expansion coordinates. These modes are frequently seen in transient absorption experiments on metal nanoparticle samples and occasionally for semiconductors. The aim of this review is to give an overview of the physical chemistry of nanostructure acoustic vibrations.
View Article and Find Full Text PDFConstruct ZnSeTe/ZnTe Nanostructures with the Tunable Emission from 450 to 760 nm.
J Phys Chem Lett
January 2025
Key Laboratory of Physics and Technology for Advanced Batteries, Ministry of Education, College of Physics, Jilin University, Qianjin Street No. 2699, Changchun 130012, China.
Developing heavy-metal-free materials with wide tunable emission is important to light-emitters. The alloying method is utilized in ZnSe magic size clusters (MSCs) with Te to form ZnSeTe and manipulate the band gap structure in ZnSe. The growth of ZnTe on alloyed ZnSeTe quantum dots (QDs) forms ZnSeTe/ZnTe core/shell nanostructures, showing the tunable photoluminescence emission peak from 450 to 760 nm with the different thicknesses of ZnTe shell.
View Article and Find Full Text PDFA Review of Nanomaterials and Microwave Synthesized Metal Oxides Nanoparticles in Schistosomiasis Diagnosis.
J Fluoresc
January 2025
Department of Chemical Sciences, University of Johannesburg, Doornfontein, Johannesburg, South Africa.
Point of Care (POC) diagnosis provides an effective approach for controlling and managing Neglected Tropical Diseases (NTDs). Electrochemical biosensors are well-suited for molecular diagnostics due to their high sensitivity, cost-effectiveness, and ease of integration into POC devices. Schistosomiasis is a prominent NTD highly prevalent in Africa, Asia, and Latin America, with significant socioeconomic implications such as discrimination, reduced work capacity, or mortality, perpetuating the cycle of poverty in affected regions worldwide.
View Article and Find Full Text PDFNanoparticle-assisted PCR: fundamentals, mechanisms, and forensic implications.
Int J Legal Med
January 2025
Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, Central Campus, Navrangpura, Ahmedabad, Gujarat, India.
Polymerase Chain Reaction (PCR) has transformed forensic DNA analysis but is still limited when dealing with compromised trace or inhibitor-containing samples. Nanotechnology has been integrated into nanoPCR (nanoparticle-assisted PCR) to overcome these obstacles. Nanomaterials improve PCR sensitivity, selectivity, and efficiency.
View Article and Find Full Text PDFMixed atomistic-implicit quantum/classical approach to molecular nanoplasmonics.
J Chem Phys
January 2025
Scuola Normale Superiore, Piazza dei Cavalieri 7, 56126 Pisa, Italy.
A multiscale quantum mechanical (QM)/classical approach is presented that is able to model the optical properties of complex nanostructures composed of a molecular system adsorbed on metal nanoparticles. The latter is described by a combined atomistic-continuum model, where the core is described using the implicit boundary element method (BEM) and the surface retains a fully atomistic picture and is treated employing the frequency-dependent fluctuating charge and fluctuating dipole (ωFQFμ) approach. The integrated QM/ωFQFμ-BEM model is numerically compared with state-of-the-art fully atomistic approaches, and the quality of the continuum/core partition is evaluated.
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