Electron Transport Study of Hydrogen Peroxide Sensing with 2D Phosphorene and Molybdenum Disulfide

Watts, Lewis; Haidar, El-Abed; Stampfl, Catherine

doi:10.1021/acs.jpcc.2c02520

Cited by 3 publications

(3 citation statements)

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“…[181][182][183] Therefore, studies surrounding the detection, quantification, and tracking of ROS in complex live cellular systems have surged. [184][185][186] Electron spin resonance (ESR) is one traditional method for ROS detection that relies on the presence of magnetic moments associated with at least one unpaired electron in the molecular structure. However, unlike other reactive oxygen species such as superoxide radicals (O 2…”

Section: Ros Sensorsmentioning

confidence: 99%

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Surface Bio‐engineered Polymeric Nanoparticles

Haidar,

Bilek,

Akhavan

2024

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Surface bio‐engineering of polymeric nanoparticles (PNPs) has emerged as a cornerstone in contemporary biomedical research, presenting a transformative avenue that can revolutionize diagnostics, therapies, and drug delivery systems. The approach involves integrating bioactive elements on the surfaces of PNPs, aiming to provide them with functionalities to enable precise, targeted, and favorable interactions with biological components within cellular environments. However, the full potential of surface bio‐engineered PNPs in biomedicine is hampered by obstacles, including precise control over surface modifications, stability in biological environments, and lasting targeted interactions with cells or tissues. Concerns like scalability, reproducibility, and long‐term safety also impede translation to clinical practice. In this review, these challenges in the context of recent breakthroughs in developing surface‐biofunctionalized PNPs for various applications, from biosensing and bioimaging to targeted delivery of therapeutics are discussed. Particular attention is given to bonding mechanisms that underlie the attachment of bioactive moieties to PNP surfaces. The stability and efficacy of surface‐bioengineered PNPs are critically reviewed in disease detection, diagnostics, and treatment, both in vitro and in vivo settings. Insights into existing challenges and limitations impeding progress are provided, and a forward‐looking discussion on the field's future is presented. The paper concludes with recommendations to accelerate the clinical translation of surface bio‐engineered PNPs.

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Section: Ros Sensorsmentioning

confidence: 99%

“…[ 181–183 ] Therefore, studies surrounding the detection, quantification, and tracking of ROS in complex live cellular systems have surged. [ 184–186 ]…”

Section: Surface Biofunctionalized Pnps: Biomedical Applicationsmentioning

confidence: 99%

Surface Bio‐engineered Polymeric Nanoparticles

Haidar,

Bilek,

Akhavan

2024

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“…Monolayer devices represent an enticing frontier in advanced technology, where material properties in a single layer offer a glimpse of a future where science and innovation seamlessly merge [48,49]. Graphene monolayers, known for their remarkable conductivity, endow electrons with high mobility, ballistic transport, and unique quantum Hall effects [50].…”

Section: Introductionmentioning

confidence: 99%

Coexistence of electron and phonon topology in conjunction with quantum transport device modeling

Pradhan,

Kanchana

2024

J. Phys.: Condens. Matter

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The escalating research in the field of topology necessitates an understanding of the underlying rich physics behind the materials possessing unique features of non-trivial topology in both electronic and phononic states. Due to the interaction between electronic quasiparticles and spin degrees of freedom, the realization of magnetic topological materials has opened up a new frontier withunusual topological phases, however, these are rarely reported alongside phononic quasiparticle excitations. In this work, by virtue of first principles calculations and symmetry analysis, the intermetallic ferromagnetic compounds MnGaGe and MnZnSb with the coexistence of exceptional topological features in the electronic and phononic states are proposed. These compounds host nodal surface on ky = π plane in bulk Brillouin zone (BZ) in the electronic and phononic spectra protected by the combination of time-reversal symmetry and nonsymmorphic two-fold screw-rotation symmetry. In the former case, spin-polarized nodal surfaceis present in the majority and minority spin channels and found to be robust to ground-state magnetic polarization. The presence of nodal line features is analyzed in both the quasiparticle spectra, whose non-trivial nature is confirmed by the Berry phase calculation. The incorporation of spin-orbit coupling (SOC) in the electron spectra introduces distinctive characteristics in the transport properties, facilitating the emergence of anomalous Hall conductivity (AHC) by means of Berry curvature (BC) in both bulk and monolayer. Furthermore, the monolayer has been proposed as a two-terminal device model to investigate the quantum transport properties using the non-equilibrium Green’s function (NEGF) approach. This superlative combination of observations and modeling sets the path for a greater level of insight into the behavior and aspects of topological materials at the atomic scale.

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