bluuebunny/crossref_metadata_2025_split huggingface dataset:
Minimally Invasive Successful Reconstruction of a Severely Traumatized Upper Extremity Using Platelet-Rich Plasma and Tissue Scaffold: A Case Report
Authors: Saha Srinjoy 
Published: January 2022

AbstractMinimally invasive reconstruction combines principles of tissue engineering and regenerative medicine for healing complex wounds. This approach was successfully demonstrated on a 64-year-old diabetic and hypertensive male patient, who was brought unconscious to our emergency after surviving an automobile collision with severe brain and right-dominant upper extremity injuries. Uncontrolled hyperglycemia, severe anemia, diffuse axonal brain injury, wrist drop, and loss of thumb extension and abduction were noted. Extensive degloving, skin necrosis, extensor and flexor forearm muscle crush injuries, and ruptured extensor tendons were observed. Serial wound debridement combined with platelet-poor plasma injection into the muscles, platelet-rich plasma injections into the tendons and subcutis, and low-negative pressure wound therapy were performed sequentially to salvage the injured soft-tissues. Improvements were noticed during the second exploration after 5 days. Surviving muscles showed adequate vascularization and revival of innervation during the third exploration after another 5 days. Thereafter, absorbable synthetic tissue scaffold was applied over a sizeable 270 cm2 wound as a flap-alternative. Tissues regenerated well within the scaffold during the next 2 months, halving the wound area to 132 cm2. A thick split-skin graft was applied over the remaining granulating neodermis, which “took” completely. Six months postoperatively, the patient regained most hand functions and performed all activities satisfactorily, while the grafted area appeared almost identical to surroundings. Minimally invasive reconstruction thus produced satisfying results with fewer shorter simpler surgeries, minimal anesthesia, short-duration hospitalization, lower health care costs, lesser risks, and excellent patient-reported outcomes.
Comparison BIPM.RI(I)-K6 of the standards for absorbed dose to water of the NRC, Canada and the BIPM in accelerator photon beams
Authors: Kessler C , Burns D T , Roger P , Muir B , McEwen M 
Published: January 2022

Main text
A key comparison has been made between the absorbed dose to water standards of the National Research Council of Canada (NRC), Canada and the BIPM in accelerator photon beams. The results show the standards to be in agreement within the standard uncertainty of the comparison of 5.8 parts in 103. The results are analysed and presented in terms of degrees of equivalence, suitable for entry in the BIPM key comparison database.
To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database https://www.bipm.org/kcdb/.
The final report has been peer-reviewed and approved for publication by the CCRI, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).
Enhanced photocatalytic activity of nZnO/n+Al:ZnO homojunction with an overlayer of Al2O3 nanoballs
Authors: A Surya Mary , Joseph Julie Ann , Nair Bindu G , Jacob Rajani , Remillard Stephen K , Rulison Forest D , Shaji Sadasivan , Philip Rachel Reena 
Published: January 2022

Abstract
This paper reports improvement in the degradation efficiency of ZnO for the organic dye methylene blue by constructing a homojunction of nZnO and n+Al doped ZnO with an overlayer of alumina nanoballs. The thin film junction is fabricated by the simple, cost-effective two stage electrochemical method of anodization followed by electrochemical doping at room temperature. Structural, optical, morphological and electrical analyses are done to elucidate the corresponding properties of each layer as well as of the junction. The compositional depth profile is obtained by the Rutherford backscattering technique. Valence band x-ray photoelectron spectroscopy in conjunction with optical data is used for designing the schematic of the junction formation. The rectification ratio of the thin film junction is determined to be ∼102 from voltage–current data.
Effects of polymer nonideality on depletion-induced phase behaviour of colloidal disks and rods
Authors: Peters Vincent F D , Tuinier Remco , Vis Mark 
Published: January 2022

Abstract
Colloidal dispersions composed of either platelets or rods exhibit liquid crystalline phase behaviour that is strongly influenced by the addition of nonadsorbing polymers. In this work we examined how polymer segment–segment interactions affect this phase behaviour as compared to using either penetrable hard spheres (PHS) or ideal (‘ghost’) chains as depletants. We find that the simplified polymer description predicts the same phase diagram topologies as the more involved polymer descriptions. Therefore the PHS description is still adequate for qualitative predictions. For sufficiently large polymer sizes we find however that the precise polymer description significantly alters the locations of the phase coexistence regions. Especially the stability region of isotropic–isotropic coexistence is affected by the polymer interactions. To illustrate the quantitative effects some examples are presented.
Morphology and energy transfer study between conjugated polymers thin films: experimental and theoretical approaches
Authors: Wouk Luana , Holakoei Soheila , Benatto Leandro , Pacheco Kaike Rosivan Maia , de Jesus Bassi Maiara , de Oliveira Camilla K B Q M , Bagnis Diego , Rocco Maria Luiza Miranda , Roman Lucimara Stolz 
Published: January 2022

Abstract
In this paper, the effect of a silafluorene derivative copolymer, the poly[2,7-(9,9-dioctyl-dibenzosilole)-alt-4,7-bis(thiophene-2-yl)benzo-2,1,3-thiadiazole] (PSiF-DBT) sensitized by a simpler homopolymer, the poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) were investigated in a bilayer and ternary blend configuration. The energy transfer between the polymers prior to electron transfer to the acceptors can be an efficient alternative to photocurrent improvement in photovoltaic devices. The interactions between the two donor polymer films were evaluated optically and morphologically with several experimental techniques and correlated to the photovoltaic performance. Improved photon to charge conversion was observed in the blend films at different device geometries—considering bilayer devices with fullerene and inverted flexible devices blade coated in air conditions with a non-fullerene small molecule acceptor. Resonant Auger spectroscopy using the core–hole clock method was employed to evaluate the ultrafast charge delocalization times of conjugated polymers in the low-femtosecond regime. Density functional theory and time-dependent DFT methods were used to help understand some experimental observations. The results show that the homopolymer can improve the absorption spectra and the nonradiative-energy transfer from MDMO-PPV to PSiF-DBT and act as a photosensitizer in the copolymer units. In addition, the PSiF-DBT blended with MDMO-PPV exhibits a more organized structure than the neat material resulting in better absorption stability of films kept under continuous illumination.
Experiment and simulation of flexible CNT/SA/PDMS electromagnetic shielding composite
Authors: Pang Jingjing , Chen Ying , Li Jiaqi , Gong Shen , Lei Xing , Wu Chanyuan , Zhu Zhenghong , Li Zhou 
Published: January 2022

Abstract
Flexible electromagnetic shielding composites have a great potential for wide range applications. In this study, two flexible composites were produced by plating Ni nanoparticles on carbon nanotubes (CNTs) or infiltrating carbon nanofibers/polydimethylsiloxane (CNF/PDMS) polymer into CNT/sodium alginate (CNT/SA) sponge skeleton (CNT/SA/CNF/PDMS composites). The composites are tested under the X band in the frequency range of 8.2 – 12.4 GHz, the electromagnetic interference shielding effectiveness (EMI-SE) values of the above two composites are almost as twice as that of CNT/SA/PDMS composite at a same CNT loading. Introducing nano-sized Ni particles on CNT improved the microwave absorption capacity of the composite, while adding CNF on the PDMS matrix enhanced the conductivity of these composites. Under 10% strain, both flexible composites show stable conductivity. Simulation and calculation results shown that increasing the cladding rate of Ni nanoparticles on the surface of CNT, reducing the average size of Ni particles, and increasing the loading of CNF in PDMS matrix can significantly improve conductivity and then EMI performance of the materials. All of these could benefit for the design of flexible electromagnetic shielding composites.
Pulsed low dose-rate radiotherapy: radiobiology and dosimetry
Authors: Ma C M Charlie 
Published: January 2022

Abstract
Pulsed low dose-rate radiotherapy (PLDR) relies on two radiobiological findings, the hyper-radiosensitivity of tumor cells at small doses and the reduced normal tissue toxicity at low dose rates. This is achieved by delivering the daily radiation dose of 2 Gy in 10 sub-fractions (pulses) with a 3 min time interval, resulting in an effective low dose rate of 0.067 Gy min−1. In vitro cell studies and in vivo animal experiments demonstrated the therapeutic potential of PLDR treatments and provided useful preclinical data. Various treatment optimization strategies and delivery techniques have been developed for PLDR on existing linear accelerators. Preliminary results from early clinical studies have shown favorable outcomes for various treatment sites especially for recurrent cancers. This paper reviews the experimental findings of PLDR and dosimetric requirements for PLDR treatment planning and delivery, and summarizes major clinical studies on PLDR cancer treatments.
A mobile high-resolution gamma camera for therapeutic dose control during radionuclide therapy
Authors: Trigila Carlotta , Verdier Marc-Antoine , Pinot Laurent , Bouvet Francoise , Beaumont Tiffany Mélanie , Broggio David , Desbree Aurelie , Menard Laurent 
Published: January 2022

Abstract
Objective. Molecular radiotherapy is the most used treatment modality against malign and benign diseases of thyroid. In that context, the large heterogeneity of therapeutic doses in patients and the range of effects observed show that individualized dosimetry is essential for optimizing treatments according to the targeted clinical outcome. Approach. We developed a high-resolution mobile gamma camera specifically designed to improve the quantitative assessment of the distribution and biokinetics of 131I at patients’s bedside after treatment of thyroid diseases. The first prototype has a field of view of 5×5 cm2 and consists of a high-energy parallel-hole collimator made of 3D-printed tungsten, coupled to a 6 mm thick CeBr3 scintillator readout by an array of silicon photomultiplier detectors. The intrinsic and overall imaging performance of the camera was evaluated with 133Ba and 131I sources. In order to test its quantification capability in realistic clinical conditions, two different 3D-printed thyroid phantoms homogeneously filled with 131I were used. Both single view and conjugate view approaches have been applied, with and without scatter correction technique. Main Results. The camera exhibits high imaging performance with an overall energy resolution of 7.68±0.01%, a submillimetric intrinsic spatial resolution of 0.74±0.28 mm and a very low spatial distortion 0.15±0.10 mm. The complete calibration of the camera shows an overall spatial resolution of 3.14±0.03 mm at a distance of 5 cm and a corresponding sensitivity of 1.23±0.01 cps/MBq, that decreases with distance and slightly changes with source size, due to the influence of scattering. Activity recovery factors better than 97% were found with the thyroid phantoms. Significance. These preliminary results are very encouraging for the use of our camera as a tool for accurate quantification of absorbed doses and currently motivates the development of a fully operational clinical camera with a 10×10 cm2 field of view and improved imaging capabilities.
Carrier recombination in CH3NH3PbI3: why is it a slow process?
Authors: Maiti Abhishek , Pal Amlan J 
Published: January 2022

Abstract
In methylammonium lead iodide (MAPbI3), a slow recombination process of photogenerated carriers has often been considered to be the most intriguing property of the material resulting in high-efficiency perovskite solar cells. In spite of intense research over a decade or so, a complete understanding of carrier recombination dynamics in MAPbI3 has remained inconclusive. In this regard, several microscopic processes have been proposed so far in order to explain the slow recombination pathways (both radiative and non-radiative), such as the existence of shallow defects, a weak electron–phonon coupling, presence of ferroelectric domains, screening of band-edge charges through the formation of polarons, occurrence of the Rashba splitting in the band(s), and photon-recycling in the material. Based on the up-to-date findings, we have critically assessed each of these proposals/models to shed light on the origin of a slow recombination process in MAPbI3. In this review, we have presented the interplay between the mechanisms and our views/perspectives in determining the likely processes, which may dictate the recombination dynamics in the material. We have also deliberated on their interdependences in decoupling contributions of different recombination processes.
Theoretical proposal of electromagnetically induced transparency with a transmissive polarization conversion based on metamaterials
Authors: Gao Cheng-Jing , Dong Han-Qing , Zeng Li , Zhang Hai-Feng 
Published: January 2022

Abstract
The polarization of electromagnetic waves is a key feature in the research areas of modern optics and information science. How to efficiently convert the polarization directions of the EM waves remains to be a challenge in electromagnetically induced transparency (EIT). Here, we theoretically propose a double-layer metamaterial with four symmetric H-shaped resonators, which can achieve the EIT phenomenon and transmissive linear polarization conversion (LPC). The EIT effect is acquired depending on the destructive interference between the electric and magnetic resonances. It is demonstrated that electromagnetic coupling is realized by reducing the structural symmetry of the rotated H-shaped resonators. Furthermore, the value of the maximum transmission coefficient reaches up to 0.900 at 14.202 GHz. The values of the transmission dips are 0.094 at 9.913 GHz and 0.176 at 16.101 GHz, respectively. Moreover, a broad transparency window that is higher than 0.8 can be gained spanning from 11.913 GHz to 15.289 GHz, and the relative bandwidth is 24.8%. Meanwhile, the momentous capability of the LPC is also observed. The transmissive cross-polarization conversion is well observed at 9.913 GHz and 16.101 GHz, where the polarization conversion ratios respectively are 90.2% and 91.8%. In the transparent window, a slow-light effect is highlighted. The values of the maximum group delay and group index respectively approach 91 ns and 1925. The FDTD simulation had been employed to further verify the effectiveness of group delay. In particular, the surface current distributions of the H-shaped resonators are employed to explain the mechanisms of the EIT effect and the transmissive LPC. Surpassing the general EIT structures and polarization converters, the proposed metamaterial is synchronously equipped with the EIT behavior and LPC by one same structure, which has numerous potential applications in communication and antenna technologies.
Observational constraints and predictions of the interacting dark sector with field-fluid mapping
Authors: Johnson Joseph P. , Sangwan Archana , Shankaranarayanan S. 
Published: January 2022

Abstract
We consider an interacting field theory model that describes the interaction between dark energy-dark matter interaction. Only for a specific interaction term, this interacting field theory description has an equivalent interacting fluid description. For inverse power law potentials and linear interaction function, we show that the interacting dark sector model with field-fluid mapping is consistent with four cosmological data sets — Hubble parameter measurements (Hz), Baryonic Acoustic Oscillation data (BAO), Supernova Type Ia data (SN), and High redshift HII galaxy measurements (HIIG). More specifically, these data sets prefer a negative value of interaction strength in the dark sector and lead to consistent best-fit values of Hubble constant and other cosmological parameters. Having established that this interacting field theory model is consistent with cosmological observations, we obtain quantifying tools to distinguish between the interacting and non-interacting dark sector scenarios. We focus on the variation of the scalar metric perturbed quantities as a function of redshift related to structure formation, weak gravitational lensing, and the integrated Sachs-Wolfe effect. We show that the difference in the evolution becomes significant for z < 20, for all length scales, and the difference peaks at smaller redshift values z < 5. We then discuss the implications of our results for the upcoming missions.
Non-Gaussianity in DHOST inflation
Authors: Brax Philippe , Lazanu Andrei 
Published: January 2022

Abstract
DHOST inflation models where deviations from a pure de Sitter background are induced by an axion-like potential can lead to large non-Gaussianities. We investigate the nature of non-Gaussianities in these models and compare to the results given by the Planck experiment. The overlap between the DHOST non-Gaussianities and the equilateral, orthogonal and local templates can be rendered arbitrarily small. On the other hand, this does not preclude DHOST models from showing large non-Gaussianities as exemplified by their reduced bispectrum. As a result, they could be probed by future experiments and also by a more thorough analysis of the existing Planck data.
A physics perspective on collective animal behavior
Authors: Ouellette Nicholas T 
Published: January 2022

Abstract
The dynamic patterns and coordinated motion displayed by groups of social animals are a beautiful example of self-organization in natural far-from-equilibrium systems. Recent advances in active-matter physics have enticed physicists to begin to consider how their results can be extended from microscale physical or biological systems to groups of real, macroscopic animals. At the same time, advances in measurement technology have led to the increasing availability of high-quality empirical data for the behavior of animal groups both in the laboratory and in the wild. In this review, I survey this available data and the ways that it has been analyzed. I then describe how physicists have approached synthesizing, modeling, and interpreting this information, both at the level of individual animals and at the group scale. In particular, I focus on the kinds of analogies that physicists have made between animal groups and more traditional areas of physics.
Lattice calculation of χ

c0 → 2γ decay width *
Authors: Zou Zuoheng , Meng Yu , Liu Chuan 
Published: January 2022

Abstract
We perform a lattice QCD calculation of the

decay width using a model-independent method that does not require the momentum extrapolation of corresponding off-shell form factors. The simulation is performed on ensembles of

twisted mass lattice QCD gauge configurations with three different lattice spacings. After the continuum extrapolation, the decay width is obtained to be

. Regardless of this large statistical error, our result is compatible with the experimental results within 1.3σ. Potential improvements of the lattice calculation in the future are also discussed.
Edge odd graceful of alternate snake graphs
Authors: Soleha M , Purwanto  , Rahmadani D 
Published: January 2022

Abstract
Let G be a graph with vertex set V(G), edge set E(G), and the number of edges q. An edge odd graceful labeling of G is a bijection f : E(G) → {1,3,5, …,2q − 1} so that induced mapping f
+ : V(G) → {0,1,2, …,2q − 1} given by f
+(x) = ∑
xy∈E(G)
f(xy) (mod 2q) is injective. A graph which admits an edge odd graceful labeling is called edge odd graceful. An alternate triangular snake graph

A
(

C
3
m

)

is a graph obtained from a path u
1
u
2
u
3 … u
2m
by joining every u
2i−1 and u
2i
to a new vertex υi
, 1 ≤ i ≤ m. An alternate quadrilateral snake graph

A
(

C
4
m

)

is a graph obtained from vertices u
1, u
2,u
3,…,u
2m
by joining every u
2i−1 and u
2i
to two vertices υi
and wi
,1 ≤ i ≤ m, and joining every u
2i
to u
2i+1 with 1 ≤ i ≤ m − 1. In this paper, we show that alternate triangular snake and alternate quadrilateral snake graphs are edge odd graceful.
Implementation of the greedy algorithm on graph coloring
Authors: Sipayung T N , Suwilo S , Gultom P , Mardiningsih  
Published: January 2022

Abstract
Graph theory is part of the field of mathematics that can be applied in various other fields of science to solve problems. One of them is the problem of determining the color on the map. The map that will be colored here is a map of the Deli Serdang regency which consists of 22 sub-districts. The coloring of the map is done by first modeling it in the form of a graph. One way to determine the minimum color of a graph is to use a greedy algorithm. From the map, we get a dual graph with 22 vertices and 41 edges. Based on the greedy algorithm that has been applied, the minimum number of colors is obtained as many as four colors, namely blue, green, red, and yellow with each district directly bordering having a different color. The results of map coloring by applying the greedy algorithm are also obtained with the help of the python 3.7 programming language.
On r-dynamic coloring of central vertex join of path, cycle with certain graphs
Authors: Mohanapriya N , Kalaiselvi K , Aparna V , Dafik  , Agustin I H 
Published: January 2022

Abstract
Let G = (V, E) be a simple finite connected and undirected graph with n vertices and m edges. The n vertices are assigned the colors through mapping c : V [G] → I
+. An r-dynamic coloring is a proper k-coloring of a graph G such that each vertex of G receive colors in at least min{deg(υ),r} different color classes. The minimum k such that the graph G has r-dynamic k coloring is called the r-dynamic chromatic number of graph G denoted as χ

r
(G). Let G
1 and G
2 be a graphs with n
1 and n
2 vertices and m
1 and m
2 edges. The central vertex join of G1 and G
2 is the graph

G
1

V
˙

G
2

is obtained from C(G
1) and G
2 joining each vertex of G
1 with every vertex of G
2. The aim of this paper is to obtain the lower bound for r-dynamic chromatic number of central vertex join of path with a graph G, central vertex join of cycle with a graph G and r-dynamic chromatic number of

P
m

V
˙

P
n

,

P
m

V
˙

K
n

,

P
m

V
˙

K
n

,

P
m

V
˙

C
n

,

C
m

V
˙

K
n

and

C
m

V
˙

C
n

respectively.