M. D. Croitoru
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View article: Geometry-controlled engineering of the low-temperature proximity effect in normal metal–superconductor junctions
Geometry-controlled engineering of the low-temperature proximity effect in normal metal–superconductor junctions Open
In the ballistic regime at finite temperatures, the proximity effect diminishes following an exponential pattern; however, at low or zero temperatures, this transition alters to a decay characterized by a power law with a dimensionality-de…
View article: Redox Homeostasis and Antioxidant Response After Bariatric Surgery in Severe Obesity: Insights from a Controlled Clinical Cohort
Redox Homeostasis and Antioxidant Response After Bariatric Surgery in Severe Obesity: Insights from a Controlled Clinical Cohort Open
Background and Objectives: Obesity represents a major public health concern worldwide, particularly in economically challenged regions, and is often associated with metabolic comorbidities such as type 2 diabetes mellitus, hypertension, an…
View article: Localization in materials with several conducting bands as a method to boost superconductivity
Localization in materials with several conducting bands as a method to boost superconductivity Open
Strong disorder exerts two opposing effects on a superconducting material. On one hand, it leads to localization of electrons and Cooper pairs, resulting in spatial fragmentation of the condensate state. It enhances the local density of si…
View article: Single-Defect-Induced Peculiarities in Inverse Faraday-Based Switching of Superconducting Current-Carrying States near a Critical Temperature
Single-Defect-Induced Peculiarities in Inverse Faraday-Based Switching of Superconducting Current-Carrying States near a Critical Temperature Open
The Inverse Faraday Effect (IFE) is a phenomenon that enables non-thermal magnetization in various types of materials through the interaction with circularly polarized light. This study investigates the impact of single defects on the abil…
View article: Exploring disorder correlations in superconducting systems: spectroscopic insights and matrix element effects
Exploring disorder correlations in superconducting systems: spectroscopic insights and matrix element effects Open
Understanding the intricate interplay between disorder and superconductivity has become a key area of research in condensed matter physics, with profound implications for materials science. Recent studies have shown that spatial correlatio…
View article: Fully Microscopic Treatment of Magnetic Field Using Bogoliubov–De Gennes Approach
Fully Microscopic Treatment of Magnetic Field Using Bogoliubov–De Gennes Approach Open
This work introduces an algorithm designed to solve the Bogoliubov–de Gennes equations of superconductivity theory. What sets this algorithm apart is its remarkable ability to precisely and consistently consider the impact of an external m…
View article: The Impact of Short-Range (Gaussian) Disorder Correlations on Superconducting Characteristics
The Impact of Short-Range (Gaussian) Disorder Correlations on Superconducting Characteristics Open
The pursuit of enhanced superconducting device performance has historically focused on minimizing disorder in materials. Recent research, however, challenges this conventional wisdom by exploring the unique characteristics of disordered ma…
View article: Engineering low-temperature proximity effect in clean metals by spectral singularities
Engineering low-temperature proximity effect in clean metals by spectral singularities Open
The present study investigates the behavior of the Cooper pair wave function in a normal metal (NM) near superconductor-NM-junctions, specifically focusing on the ballistic regime at zero temperature. It is widely assumed that the wave fun…
View article: Interference-induced surface superconductivity: Enhancement by tuning the Debye energy
Interference-induced surface superconductivity: Enhancement by tuning the Debye energy Open
In the usual perception, surface superconductivity is associated with the surface nucleation of a superconducting condensate above the upper critical field in type-II superconductors or with a rearrangement of phonon properties and the ele…
View article: Oxidative stress and metabolic parameters in hypertensive patients with/without diabetes mellitus in cardiovascular risk evaluation
Oxidative stress and metabolic parameters in hypertensive patients with/without diabetes mellitus in cardiovascular risk evaluation Open
Introduction: Hypertension and diabetes mellitus affect a large number of patients and can significantly influence their life expectancy. Changes in metabolic and oxidative stress parameters are common in these pathologies, contributing to…
View article: Toward the Light‐Operated Superconducting Devices: Circularly Polarized Radiation Manipulates the Current‐Carrying States in Superconducting Rings
Toward the Light‐Operated Superconducting Devices: Circularly Polarized Radiation Manipulates the Current‐Carrying States in Superconducting Rings Open
The ability to rapidly control and manipulate superconducting states is one of the great challenges of modern condensed matter physics. Circularly polarized radiation interacting with a superconducting condensate acts as an effective magne…
View article: The influence of dietary supplements on testosterone levels
The influence of dietary supplements on testosterone levels Open
The concentration of androgens in men has a tendency to decrease with age. Androgen deficiency, also known as low testosterone in men, is associated with an increased risk of morbidity. The current solution for treating androgen deficien…
View article: Profiling the Concentration of Reduced and Oxidized Glutathione in Rat Brain Using HPLC/DAD Chromatographic System
Profiling the Concentration of Reduced and Oxidized Glutathione in Rat Brain Using HPLC/DAD Chromatographic System Open
This study aimed to develop a HPLC/DAD method in order to determine and quantify the reduced glutathione (GSH) and oxidized glutathione (GSSG) levels in rat brain. Due to the presence of the thiol group (-SH), GSH can interact with the Ell…
View article: A Simple HPLC/DAD Method Validation for the Quantification of Malondialdehyde in Rodent’s Brain
A Simple HPLC/DAD Method Validation for the Quantification of Malondialdehyde in Rodent’s Brain Open
In the present study, a HPLC/DAD method was set up to allow for the determination and quantification of malondialdehyde (MDA) in the brain of rodents (rats). Chromatographic separation was achieved on Supelcosil LC-18 (3 μm) SUPELCO Column…
View article: Oxidative stress and peripartum outcomes (Review)
Oxidative stress and peripartum outcomes (Review) Open
Pregnancy, labor and childbirth are accompanied by excessive oxidative aggression. The excessive formation of free radicals [reactive oxygen species (ROS), reactive nitrogen species (RNS), chlorine reactive species (CRS)] causes cellular o…
View article: Multiband superconductors with degenerate excitation gaps
Multiband superconductors with degenerate excitation gaps Open
There is a tacit assumption that multiband superconductors are essentially the same as multigap superconductors. More precisely, it is usually assumed that the number of excitation gaps in the single-particle energy spectrum of a uniform s…
View article: Efficacy of a commercial herbal formula in chicken experimental coccidiosis
Efficacy of a commercial herbal formula in chicken experimental coccidiosis Open
H3 formula is a promising natural anticoccidial and field trials are recommended in order to validate the obtained data.
View article: Persistent oscillations of the order parameter and interaction quench phase diagram for a confined Bardeen-Cooper-Schrieffer Fermi gas
Persistent oscillations of the order parameter and interaction quench phase diagram for a confined Bardeen-Cooper-Schrieffer Fermi gas Open
We present a numerical study of the interaction quench dynamics in a\nsuperfluid ultracold Fermi gas confined in a three-dimensional cigar-shaped\nharmonic trap. In the present paper we investigate the amplitude mode of the\nsuperfluid ord…
View article: Reversed phase HPLC for strontium ranelate: Method development and validation applying experimental design
Reversed phase HPLC for strontium ranelate: Method development and validation applying experimental design Open
A reverse-phase HPLC (RP-HPLC) method was developed for strontium ranelate using a full factorial, screening experimental design. The analytical procedure was validated according to international guidelines for linearity, selectivity, sens…
View article: Dynamical vanishing of the order parameter in a confined Bardeen-Cooper-Schrieffer Fermi gas after an interaction quench
Dynamical vanishing of the order parameter in a confined Bardeen-Cooper-Schrieffer Fermi gas after an interaction quench Open
We present a numerical study of the Higgs mode in an ultracold confined Fermi gas after an interaction quench and find a dynamical vanishing of the superfluid order parameter. Our calculations are done within a microscopic density-matrix a…
View article: Chemical properties of several red wines available on Romanian and also on the international market
Chemical properties of several red wines available on Romanian and also on the international market Open
The aim of this study was to perform a phytochemical analysis of 28 red wines available on Romanian and also on the
\ninternational market. The identification of 14 polyphenols and their quantitative analysis were performed by HPLC/ESI-MS
…
View article: Pure Goldstone mode in the quench dynamics of a confined ultracold Fermi gas in the BCS-BEC crossover regime
Pure Goldstone mode in the quench dynamics of a confined ultracold Fermi gas in the BCS-BEC crossover regime Open
We present a numerical study of a confined ultracold Fermi gas showing that\nthe Goldstone mode of the BCS gap is directly visible in the dynamics of the\nsingle-particle excitations. To this end, we investigate the low-energy dynamic\nres…
View article: In Search of Unambiguous Evidence of the Fulde–Ferrell–Larkin–Ovchinnikov State in Quasi-Low Dimensional Superconductors
In Search of Unambiguous Evidence of the Fulde–Ferrell–Larkin–Ovchinnikov State in Quasi-Low Dimensional Superconductors Open
In layered conductors with a sufficiently weak interlayer coupling in-plane magnetic field cause only small diamagnetic currents and the orbital depairing is strongly suppressed. Therefore, the Zeeman effect predominantly governs the spin-…
View article: The Risk of Using Poppy Seed Tea Made from Several Varieties Available on the Romanian Market
The Risk of Using Poppy Seed Tea Made from Several Varieties Available on the Romanian Market Open
Objective: the number of alkaloids like morphine and codeine found in poppy seeds used in food industry are monitored by a directive given by European Food Safety Authority. Based on this regulation the aim of the study was to determine th…
View article: Soliton formation in the FFLO phase
Soliton formation in the FFLO phase Open
There is increasing body of experimental evidences of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase in quasi-low-dimensional organic and heavy-fermion superconductors. The emergence of the FFLO phase has been demonstrated mainly based …
View article: Beetroot and carrot juice increase the risk of thyroid nodules and hypothyroidism in breast cancer patients
Beetroot and carrot juice increase the risk of thyroid nodules and hypothyroidism in breast cancer patients Open
After diagnosis, many breast cancer patients start consuming high quantities of beetroot and carrot juice, in the hope of improving the outcome of their treatment. However, these foods are very high in nitrate, which can competitively inhi…