bluuebunny/crossref_metadata_2025 huggingface dataset:
Comparative analysis of the structure-function changes in the endodermal cells of tomato leaf petioles after gravity stimulation and phytohormone action
Authors: Sukhaveyeva S. V. , Kabachevskaya A. M. , Kuznetsova T. E. , Volotovski I. D.
Published: September 2022

The sedimentaion of amyloplasts in tomato leaf petiole cells, when influenced by gravistimulation, gravistimulation and phytohormone epine, gravistimulation, and by an exogenous source of ethylene ethephon for a period of 0.25–24 h, was demonstrated. Ethephone significantly slowed down the sedimentation of amyloplasts serving as statolytes in cells, which correlates with its inhibitory effect on the formation of the gravitropic bending of the stem.
Scientific justification of the breeding program of red dairy cattle in the Republic of Belarus
Authors: Gusakov V. G. , Sheiko I. P. , Tsimoshanka U. N. , Bаgdanovic D. M. , Klimets N. V. , Pesotski N. I. , Koronets I. N. , Muzyka A. A. , Rogach V. N. , Berezovik R. V.
Published: September 2022

A scientific substantiation of the main directions of the program for creating a domestic breed of red dairy cattle has been developed, which provides for pure breeding and various cross-breeding options to obtain high-producing animals with good reproductive performance and productive longevity.
Adsorption and flocculation properties of modified polyacrylamide in water dispersions of kaolin
Authors: Vorobiev P. D. , Krutko N. P. , Cherednichenko D. V. , Vorobieva E. V. , Bucha S. V. , Lipai Yu. V.
Published: September 2022

A cationic flocculant with an amide-type polymer matrix was synthesized by modifying polyacrylamide according to the Mannich reaction. The use of a modified polymer leads to an increase in the adsorption of the polymer on solid phase particles in an aqueous dispersion of kaolin, an increase in the rate of kaolin sedimentation by a factor of 1.2–1.4, and makes it possible to expand the concentration range of dispersion destabilization compared to polyacrylamide.
Results of minimally invasive technology in thyroid surgery
Authors: Radievskij I. L. , Danilova L. I.
Published: September 2022

This article analyzes the results of examination and surgical treatment of 572 patients with surgical thyroid gland diseases who were operated on using open and minimally invasive techniques. All patients were divided into several groups depending on the chosen surgical technique. The results of surgical treatment of patients with thyroid diseases in each group were assessed according to the following parameters: duration of surgery, intraoperative blood loss, drainage of a postoperative wound, pain intensity in the postoperative period, complications, length of hospital stay in the postoperative period, cosmetic effect. A decrease in the number of intra- and postoperative complications during minimally invasive surgical interventions has been reliably established.
Biomechanical evaluation of femoral neck fracture osteosynthesis
Authors: Kostrub O. O. , Polyachenko Yu. V. , Gerasimenko M. A. , Vadzyuk N. S. , Kryvenyuk V. V. , Kotyuk V. V.
Published: September 2022

Bone geometry, density, and thickness of the cortical layer of the femoral neck (FN) contribute to the mechanical strength in osteosythesis of femoral neck fractures (FNF) in young adults. The available techniques for fracture fixation of the FN are reviewed with respect to the biomechanical stability.

A biomechanical study of the osteosynthesis stability of the FNF with three cannulated screws was carried out using synthetic models of the proximal part of the femoral bone (FB). The experimental models were divided into 4 groups. Each group related to the configuration of screws in the FN. The vertical and horizontal FNF stability was assessed using two series of load. In series I, models were loaded with forces in the longitudinal axis to the FB and in series II, forces acted in the perpendicular direction to the FB axis. The loading forces were evaluated when the displacement of 2 mm fragments was achieved. The highest stability strengths were obtained in group I in the both series ‒ 1898 N with a vertical load and 1046 N with a horizontal load. Further, in decreasing order, the results of stability were obtained in groups II, III and IV.

In this study, it was found that the consideration of the position of screws according to architectonics of the FN is crucial for fragment stability. The triangular position of screws with three points of contact with the compact bone ensures the maximum stability of the construct in osteosynthesis of the FN fractures, which is comparable to the normal walking load conditions.

We hypothesize that osteosynthesis of FN fractures with three screws in a triangular manner could provide a better stability when inserted into the dense tissues of the proximal FB with relation to bone architectonics. To ensure a maximum stability, each screw should have three points of contact with the compact bone – the lateral cortical wall of the subtrochanteric region of the FB, the inner wall of the FN, and the compact part of the FB head. New triangular configuration of screws’ placement could have a better neutralization of share forces in FN fractures.
Managing information flows about material resources in the context of the development of intelligent agriculture
Authors: Makrak S. V.
Published: September 2022

model of material resources management, taking into account the importance of the hierarchy of structuring information flows, in which the conditions for the gradual development of intelligent agriculture are laid down. The proposals include: multi­module software for internal and external integrated information flows of data on material resources and costs; a single digital platform of opera tional data with an expanded list of information on suppliers, the ability to search for seeds, agrochemical products, spare parts with specified parameters; data structuring schemes in the context of improving the efficiency of material resources management in the agroindustrial complex; the structure of the creation of the Republican Statistical and Analytical Center, etc.
Dialectics and logic of the political economy of the industrial and consumer cooperation in the rural areas
Authors: Antonenka M. N.
Published: September 2022

Рresents the author’s research of the formation process of production and consumer cooperation in rural areas using dialectical and political economic methods. The issues of dialectics and political economy have been actualized in the context of the theory of production and consumer cooperation, as well as its impact on the creation of high­performance and high­paying jobs in rural areas. The author classifies the dialectics: of human thinking, nature and society, and provides their various foundations.
Agronomic Performance of Madre De Agua (Trichantera Gigantean Nees) Under Upland Area in Abucay, Bataan
Authors: Abuan Abigail Garcia , M. Balba Christian , Nonan Jr. Larry G. , Gripo Cherlyn U. , Paguia Hermogenes M. , Rodis Gregorio J. , Balba Jovert M.
Published: September 2022

Madre de Agua (Trichantera gigantean Nees) is forage and considered a Multiple Purpose Tree Species used for ruminants and poultry animals with a good potential source of protein and contain good amino acid. Few studies were conducted in terms of the agronomic characteristics of the Madre de Agua prior to utilization as feeds and most studies conducted were mainly conducted to feed monogastric animals. The study intends to produce data for the agronomic characteristics of Madre de Agua as planted and produces a shaded portion of the upland area in BPSU Abucay Campus, Abucay, Bataan. The following parameters were gathered; Plant Height, Leaf to Stem Ratio, Herbage Yield, and Dry Matter Yield and Soil Analysis. Moreover, the following baseline data were used: the area with an elevation of 141.1 feet above sea level with an average rainfall of 296.45mm and temperature ranges from 26oC to 30oC during the duration of the study. Fertilizer requirements are based on the result of BSWM soil analysis (30g/tree ammonium phosphate, 169g/tree Urea, and 4kg/tree organic fertilizer) applied during and after transplanting with adequate irrigation. The study was carried out using systematic random sampling for plants. The result of agronomic characteristics in upland conditions showed that the average plant height of Madre De Agua was 110.50 cm, Leaf to Stem Ratio was 65.82%/34.18% per plant, herbage yield was 556.50 grams per plant, dry matter yield (oven dry) was 87.57% per plant. The established area for the production of the Madre de Agua will be utilized to provide a continuous source of feed to small ruminants and other monogastric species for future research in animal production.
Gastroprotective effects of Taraxacum officinale (Dandelion) extract indomethacin-induced gastric ulcer model
Authors: Hamit USLU  , Gözde ATİLA USLU
Published: September 2022

In this study, it was aimed to investigate the gastroprotective and anti-inflammatory effects of the extract (TO) obtain from the leaves of Taraxacum officinale, which is used in the treatment of many diseases including gastric ulcers in traditional medicine, in an indomethacin-induced gastric ulcer model. Forty rats, which 10 animals in each group, were divided into four groups (Control (C), TO + Indomethacin (TO+IND), Indomethacin (IND) and Omeprazole + Indomethacin (O+IND) groups). Respectively the group C was given isotonic saline, the group TO+IND was given 100 mg/kg TO extract, group IND was given isotonic saline and the group O+IND was given 5 mg/kg omeprazole orally. On the 11th day of the study, a single dose of 100 mg/kg indomethacin was administered orally to the TO+IND, IND and O+IND groups. It was determined that cyclooxygenase-2 (COX-2), C-reactive protein (CRP) and Interleukin-6 (IL-6) levels were significantly increased in the IND group compared to the K group (p<0.001). However, these markers were significantly decreased in both the TO+IND (respectively p<0.05, p<0.001, p<0.05) and O+IND (p<0.05, p<0.001, p<0.001, respectively) groups when compared with the IND group. No significant changes were observed in tumor necrosis factor-alpha (TNF-α) levels. Depending on the administration of indomethacin, it was found that the ulcer index of gastric tissue increased significantly compared to the C group but it decreased significantly as a result of TO and Omeprazole administrations (p<0.001). As a result, it was determined that Taraxacum officinale leaf extract showed significant gastroprotective effects by reducing COX-2, CRP and IL-6 levels and ulcerative area formation in gastric tissue.
Investigation into the effect of ethanol leaf extract and fractions of Justicia Secunda on platelets and WBC counts in mice
Authors: Eric Omo Irinmwinuwa  , Johnson Onyenmechi Afonne
Published: September 2022

Aim: This study investigated the effect of the ethanol leaf extract and fractions of Justicia secunda on platelets and WBC counts in mice. Methods: Phytochemical analysis were carried out on the ethanol leaf extract of justicia secunda. A total of 96 apparently healthy mice of different sex were used in this study. Fourteen treated and two control groups of six mice each were used to investigate the effect of leaf extract and fractions of justicia secunda on platelets and white blood cell counts in mice (Groups 1-12) using 20mg/kg/i.p. phenyl-hydrazine (PHZ) daily for 2 days, and then intervention with ethanol extract and 3 fractions (n-hexane, ethylacetate and n-butanol) for 6 days. The positive control group received 20 mg/kg PHZ i.p. only, while the negative control group received food and water only. Blood samples were collected from the retro-orbital plexuses of the mice into EDTA-containing specimen bottles on the 7th day and analyzed for white blood cell (WBC) and platelet (PLT) count. Results: The ethanol leaf extract significantly decreased the platelets and white blood cell count compared to the negative control groups (p< 0.05), they were almost brought back to normal(baseline).The fractions (n-hexane MD, ethyl acetate HD and n-butanol HD) had statistical significant effect on WBC (p< 0.009) in a dose dependent manner. Some of the fractions of J. secunda however had no significant effect on platelets counts (p > 0.146) compared with the control. Conclusion: n-butanol fraction of J. secunda leaf possessed better significant effect on WBC when compared with other fractions, thus, perhaps eliciting immunosuppresant action in the mice.
Does globalization augment environmental degradation through the channel energy and FDI? Evidence from BRI initiatives
Authors: Md. Qamruzzaman
Published: September 2022

From 2000 through 2020, this study examines the impacts of FDI, economic development, and globalization on E.D. in a sample of Belt and Road Initiative (BRI) nations. Data for the inquiry is gathered using a variety of tests, including the Westerlund cointegration test, the Dynamic seemingly unrelated regression (DSUR) long-run panel estimate approach, and the Dumitrescu-Hurlin panel causality test. Panel unit root tests reveal which variables are hidden where and after initial difference and long-run association documents have been processed using conventional and error-correcting methods. DSUR discovered a positive relationship between long-term energy use and environmental degradation, implying that greater energy consumption and total output would exacerbate the current condition of environmental degradation. Foreign direct investment (FDI), financial expansion, and globalization benefit the global economy more than harm the environment. Aside from the unidirectional impacts of financial development, globalization, and economic expansion on environmental degradation, directional causality studies demonstrate the presence of a feedback hypothesis that helps to explain these causal relationships. This research demonstrates the need for Belt and Road (B.R.) energy measures to improve energy efficiency.
Qualitative study on cognitive distortion and negative behavior of patients with diabetes mellitus
Authors: Fatmawati Fatmawati  , Stang Stang  , Ridwan Amiruddin  , Muhammad Syafar  , Asri Asri  , Safruddin Safruddin
Published: September 2022

Patients with DM who have negative perceptions and are overly worried about their disease have poor glycaemic control. If the thought of someone is negative and distorted, they will likely have negative feelings, and then the behavior will be influenced. Aims: This study aimed to determine the negative cognitive and behavioral distortions of patients with diabetes mellitus (DM) and the relationship between negative distortion and behavior. Settings and Design: This study utilized a qualitative design with a descriptive approach. Methods and Material: Participants included 15 people with diabetes mellitus who were selected using a purposive sampling technique. Data were collected using semi-structured interviews for 60-90 minutes. Statistical analysis used: Analyzed using content analysis and thematic analysis with the NVivo 12 plus software. Results: Cognitive distortion consisted of four sub-themes, including denial, catastrophic thinking, labeling, and personalization. Negative behavior comprised two sub-themes, including negative emotions and depressive symptoms. Not all participants who experienced cognitive distortion showed negative behavior. The types of cognitive distortion experienced by patients with DM were catastrophizing, labeling, and personalization, which was often followed by negative behavior.
The Relationship between Fear of Covid-19, Anxiety and Depression in Pregnant Women
Authors: AKALIN Ayşe , AYHAN Fatma , GÖYNÜMER Gökhan
Published: September 2022

Purpose: The aim of the study was to investigate the relationship between coronavirus disease-19 (COVID-19) fear, anxiety and depression on pregnant women.

Methods: The cross-sectional, correlational research was conducted with 335 pregnant women from June to October 2020 at the antenatal outpatient clinics of a university hospital. Data were collected using Description Form, Fear of COVID-19 Scale (FCV-19S), Beck Anxiety Inventory (BAI) and the Edinburgh Postnatal Depression Scale (EPDS).

Results: The FCV-19S, BAI and EPDS average scores were 21.12±6.56, 6.39±5.48 and 8.13±9.13, respectively, indicating pregnant women' levels of COVID-19 fear were moderately high and their anxiety and depression levels were moderate. Overall, 14.0% of pregnant women had depression risk and 42.4% had symptoms of anxiety (26.3% low level, 10.4% moderate level and 5.7% high level). A positive, significant relationship was found between the COVID-19 fear level and depression (r=0.207, p
Determining the Relationship Between Skin Cancer and Sun Knowledge and Behavior in Adults Living in an Region with Four Seasons of Sun
Authors: NECİPOĞLU Dilay , ELYELİ Kemal , BEBİŞ Hatice
Published: September 2022

Purpose: This study aims to determine the relationship between skin cancer and sun knowledge and sun protection behavior of adults living in Dikmen region.

Methods: The type of research was cross-sectional. From the population served by the primary health care center (N=1078) located in Dikmen region, the sample of n=284 individuals who applied to the health center while the study was being conducted and volunteered to participate in the study were taken. The data were collected with the 'Socio-Demographic data form', 'Fitzpatrick Skin Type Scale', 'Skin Cancer and Sun Information Scale' and 'Sun Protection Behavior Scale'. Frequency, percentage, mean, Independent t Test, One-way Anova and Pearson Correlation Test were used for data analysis.

Results: Participants had the mean age of 49.04±17.65 and 53.2% of them were female. When the skin types of participants were examined according to the Fitzparick classification, it was found that 32.7% of them had average skin color and there were no individuals with very dark/black skin. The 'Skin cancer and sun knowledge scale' of the participants were determined as 12.88±2.51 (min:7.0; max:21.0). The total mean score of the participants in the 'Sun protection behavior scale' was 23.67±6.84 (min:8.0; max:40.0). A positive, weak, statistically valuable relationship was realized between the participants' overall mean score of the 'Skin Cancer and Sun Information Scale' and the total mean score of the 'Sun Protection Behavior Scale' (p
Effects of Chromosomal Translocations on Sperm Count in Azoospermic and Oligospermic Cases
Authors: AYAZ Akif , YALÇINTEPE Sinem , ÖZALP YÜREĞİR Özge , YILMAZ GÜLEÇ Elif , GEZDİRİCİ Alper , PERİM AKÇAY Ebru , KÖSEOĞLU Abdullah Hüseyin , ŞAHİN Yavuz
Published: September 2022

Purpose

A number of mechanisms have been proposed for the effect of chromosomal translocations on spermatogenesis and sperm maturation. However, there are still numerous ambiguous issues regarding these two processes. The aim of this study is to evaluate the effect of chromosome break areas on sperm count in the light of the literature.

Material and Methods

The study was conducted on the data of 16 male patients with reciprocal or Robertsonian translocation among 152 patients who were admitted to Adana Numune Training and Research Hospital and Kanuni Sultan Süleyman Training and Research Hospital Genetic Diagnosis Centers between 2013 and 2016 due to azoospermia and oligospermia.

Results

11 of these patients had reciprocal and five patients had Robertsonian translocations. All the patients with Robertsonian translocations were detected with azoospermia. Of the patients with reciprocal translocation, five of them were azoospermic and six of them were severe oligospermic.

Conclusion

A total of 21 chromosomal breakpoints were identified in the 11 patients with reciprocal translocations. These chromosomal breakpoints may contribute to the clarification of ambiguous issues related to spermatogenesis and sperm maturation. The results also showed the importance of genetic counselling in patients with translocations.
Differences between countries in Europe: gaps and convergences from a gender, generation and class perspective
Authors: Pescarolo Alessandra
Published: September 2022

This article proposes a reflection on the degree to which European unification has reduced the differences between member states. On the one hand there are the cultures of family, secularisation, education, cultural patterns of consumption, trust in the political system, on the other hand life chances, in terms of work, poverty, life expectancy. The analysis showed, in the comparison between member states, structured and significant convergences and divergences, emblematic, for Italy, Spain, and some ex-Soviet countries, of an incomplete and contradictory transition.
Memory 100: the Twentieth century through the biographies of Giacomo Matteotti and Dante Cruicchi
Authors: Arrighi Carlo
Published: September 2022

The recent books Matteotti 100 nelle scuole (Matteotti 100 in Schools) and Dante Cruicchi, l’artigiano della pace (Dante Cruicchi the artisan of the Peace) provide some ideas for a reflection, based on the biographies of Giacomo Matteotti and Dante Cruicchi, as sources for communicating, thanks to their life experiences, to the younger generations an insight into memory as a good practice of active citizenship and on methods for perpetuating it.
The harsh 1950s at Cogne in Aosta: political layoffs and employer repression
Authors: Graziola Diego
Published: September 2022

The workers, who had given a decisive contribution to the Liberation of Italy, hoped for a leading role, in and outside the factories, in the reconstruction of the country. If the years 1945-48 had represented a brief period of greater pro-processing, in the following decade the hope of greater power was disappointed by the counterattack of the employer. The 1950s are indeed characterized by harsh repression: political layoffs, departmental transfers and the marginalization of the most politicized workers. The history of the Cogne in Aosta is illustrative.
Producing Hydrogen Energy Using Cr2O3-TNFs Nanocomposite with Animal (Chitosan) Extract via Ultrasonic and Hydrothermal Techniques
Authors: Z. Alwan Ghasaq , Jafer Aziz Wisam , S. Sabry Raad
Published: September 2022

In this study, an efficient photocatalyst for dissociation of water was prepared and studied. The chromium oxide (Cr2O3) with Titanium dioxide (TiO2) nanofibers (Cr2O3-TNFs) nanocomposite with (chitosan extract) were synthesized using ecologically friendly methods such as ultrasonic and hydrothermal techniques; such TiO2 exhibits nanofibers (TNFs) shape structure. Doping TiO2 with chromium (Cr) enhances its ability to absorb ultraviolet light while also speeding up the recombination of photogenerated electrons and holes. The prepared TNFs and Cr2O3-TNFs were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDX), and UV-Visible absorbance. The XRD of TNFs showed a tetragonal phase with 6.9 nm of average crystallite size, whereas Cr2O3-TNFs crystallite size was 12.3 nm. FE-SEM images showed that the average particle size of TNFs was in the range of (9-35) nm and UV-Vis absorbance of TNFs showed their energy gap to be 3.9eV while the energy gaps of Cr2O3-TNFs were smaller equal to 2.4 eV. The highest hydrogen production rate for the Cr2O3-TNFs nanocomposite was 4.1ml after 80min of UV exposure. Cr2O3-TNFs have high photocatalytic effectiveness due to their wide ultraviolet light photoresponse range and excellent separation of photogenerated electrons and holes.
Calculation of the Magnetic Dipole and Electric Quadrupole Moments of some Sodium Isotopes using Shell Model with Skyrme Interaction
Authors: Harby Ghofran W. , Alzubadi Ali. A.
Published: September 2022

In the present work, the magnetic dipole and electric quadrupole moments for some sodium isotopes have been calculated using the shell model, considering the effect of the two-body effective interactions and the single-particle potentials. These isotopes are; 21Na (3/2+), 23Na (3/2+), 25Na (5/2+), 26Na (3+), 27Na (5/2+), 28Na (1+) and, 29Na (3/2+). The one-body transition density matrix elements (OBDM) have been calculated using the (USDA, USDB, HBUMSD and W) two-body effective interactions carried out in the sd-shell model space. The sd shell model space consists of the active 2s1/2, 1d5/2, and1d1/2 valence orbits above the inert 16O nucleus core, which remains closed. Skyrme interaction was implemented to generate the single-particle matrix elements with Hartree-Fock approximation and compared with those of harmonic oscillator and Wood-Saxon potentials. From the outcome of our investigation, it is possible to conclude that the shell model calculations with Skyrme-type interaction give a reasonable description for most of the selected Na isotopes. No significant difference was noticed for the magnetic dipole moments and electric quadrupole moments with experimental data, where all signs for the experimental data are reproduced correctly.
X-Ray Emission Spectroscopy Analysis for Near-Asteroid Belt of Atmospheric of the Comets
Authors: S. Najm Rasha , Salman Z. Khalaf  , Khaleel I. Abood
Published: September 2022

According to Chandra Survey Observatory Near-Asteroid Belt Comets, the solar wind's contact with the comet produces a variety of spectral characteristics. The study of X-ray spectra produced by charge exchange is presented here. The spectrum of a comet can reveal a lot about its composition. This study has concentrated on the elemental abundance in six different comets, including 17P/Holmes, C/1999T1, C/2013A1, 9p/Temple1, and 103p/Hartley2 (NEAT). Numerous aspects of the comet's dynamics allow it to behave in a unique manner as it gets closer to the Near-Asteroid Belt. These characteristics are being examined, and some studies are still ongoing. The computations allow us to observe, for instance, how the composition of a comet's upper atmosphere affects how much gas it produces. For several comet morphologies, both linear and nonlinear, bow shock, contact surface, and stagnation point are investigated in relation to gas production rate. Our results shed light on the complex interactions between cometary ions and the solar wind. An increase in gas production rate was shown to be significantly correlated with sharp drops in average molecular weight.
A Cut-off low at 500 hPa Geopotential Height and Rainfall Events over Iraq: Case Studies
Authors: Mohammed Abdul Raheem Jabbar  , Ahmad S. Hassan
Published: September 2022

A cut-off low is a closed low with a low value of geopotential height at the upper atmospheric levels that has been fully detached (cut-off) from the westerly flow and move independently. A cut-off low causes extreme rainfall events in the mid-latitudes regions. The main aim of this paper is to investigate the cut-off low at 500 hPa over Iraq from a synoptic point of view and the behavior of geopotential height at 500 hPa. To examine the association of the cut-off low at 500 hPa with rainfall events across Iraq, two case studies of heavy rainfall events from different times were conducted. The results showed that the cut-off low at 500 hPa with a low value of geopotential height will strengthen the low-pressure system at the surface, leading to a case of atmospheric instability over Iraq and a significant amount of rain will fall if the moisture is available.
Structural Properties of Prepared PANI/TiO2 Nanocomposite by Chemical Polymerization
Authors: Abid Noor K. , Salma M. Hasan
Published: September 2022

A progression of Polyaniline (PANI) and Titanium dioxide (TiO2) nanoparticles (NPs) were prepared by an in-situ polymerization strategy within the sight of TiO2 NPs. The subsequent nanocomposites were analyzed using Fourier-transform infrared spectra (FTIR), X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), and Energy Dispersive X-Ray Analysis (EDX) taken for the prepared samples. PANI/TiO2 nanocomposites were prepared by various compound materials (with H2SO4 0.3 M and without it, to compare the outcome of it) by the compound oxidation technique using ammonium persulfate (APS) as oxidant within the sight of ultrafine grade powder of TiO2 cooled in an ice bath. Nanocomposites were prepared by the addition of TiO2 with two weight ratios (0.3 and 0.5 wt. %) during the polymerization of PANI. The outcomes showed good collaboration between PANI and TiO2. FTIR spectral shows a shift to higher wave numbers in the peaks of PANI/TiO2 nanocomposites, due to the Coulomb force that resulted from the interaction between the TiO2 nanoparticles with PANI. SEM results show that the TiO2 nanoparticles enwrap the polyaniline and agglomeration of uneven distribution of TiO2 particles can be seen in the PANI matrix. The intensity of the peak in the EDX analyses was found to appear by adding the nanoparticles. XRD pattern of PANI polymerization and PANITNCs shows that the TiO2 NPs and PANI affected the crystallization performance of nanocomposites, it was identified that the TiO2 NPs form a relatively irregular distribution in the PANI chain.
Positron Interactions with Some Human Body Organs Using Monte Carlo Probability Method
Authors: Zaheer S. Mohammad  , Abda Jamal Mohammed
Published: September 2022

In this study, mean free path and positron elastic-inelastic scattering are modeled for the elements hydrogen (H), carbon (C), nitrogen (N), oxygen (O), phosphorus (P), sulfur (S), chlorine (Cl), potassium (K) and iodine (I). Despite the enormous amounts of data required, the Monte Carlo (MC) method was applied, allowing for a very accurate simulation of positron interaction collisions in live cells. Here, the MC simulation of the interaction of positrons was reported with breast, liver, and thyroid at normal incidence angles, with energies ranging from 45 eV to 0.2 MeV. The model provides a straightforward analytic formula for the random sampling of positron scattering. ICRU44 was used to compile the elemental composition data. In this work, elastic cross sections (ECS) and inelastic cross-sections (ICS) for positron interaction in human tissues were studied. The elastic scattering is obtained from the Rutherford differential cross-section. Gryzinski's excitation function is used within the first-born approximation to determine the core and valence of ICS. The results are presented graphically. The ECS increases rapidly as the scattering energy approaches zero and becomes dependent on the atomic number of elements in organs. The ICS has reached a maximum value of around 100 eV. Increasing positron energy leads to an increase in the elastic and inelastic mean free paths. The simulations agree with many other studies dealing with the same parameters and conditions.
Propiedades físicas y químicas de sustratos en función de su granulometría y componente orgánico-mineral
Authors: Mixquititla-Casbis Gabriela , Villegas-Torres Óscar Gabriel , Andrade-Rodríguez María , Sotelo-Nava Héctor
Published: September 2022

Las características físicas y químicas de los sustratos influyen en la disponibilidad de oxígeno, agua y nutrimentos para el buen desarrollo de las plantas que en ellos crecen. Existen materiales inorgánicos y orgánicos con potencial para ser empleados como sustratos en la producción agrícola; sin embargo, es fundamental conocer la influencia de la granulometría y material sobre las características físicas y químicas de los sustratos derivados de la combinación granulometría-material. El objetivo de este trabajo fue cuantificar las propiedades físicas y químicas de sustratos en función de la granulometría (G1: ? 0.5 – <1.0 mm; G2: ?1.0 – <2.0 mm; G3: ?2.0 – <3.36 mm), material (turba, vermiculita, polvo de coco y composta), y la combinación granulometría-material. Las variables físicas estimadas fueron la porosidad total, porosidad de aireación, capacidad de retención de agua, densidad aparente, densidad de partículas; y las químicas: pH y conductividad eléctrica. En todas las variables evaluadas se manifestaron diferencias estadísticas significativas por efecto de la granulometría, el material y en la combinación granulometría-material.
Effect of Treatment Modality on Mobility and Quality of Life in Unstable Intertrochanteric Fractures
Authors: KARADEMIR Gokhan , BİLGİN Yücel , DEMİREL Mehmet , POLAT Gökhan , ERŞEN Ali , KIZILKURT Taha , BÜGET Mehmet , YAZICIOĞLU Önder
Published: September 2022

Purpose: The aim of the study was to investigate mobility and quality of life in patients who underwent osteosynthesis with proximal femoral nail (PFN), or arthroplasty for unstable intertrochanteric fractures.

Methods: Treatment outcomes of 117 patients (76 Female/41 Male) who were treated with PFN (Group 1, n=66), hemiarthroplasty (Group 2, n=42), or total hip arthroplasty (Group 3, n=9) between 2008 and 2014 were retrospectively evaluated. The mobility of the patients was evaluated with the Palmer and Parker mobility score, and the quality of life was evaluated with the Barthel quality of life index.

Results: The mean ages in the groups were 83.51 (range, 75-97) years, 84.72 (range, 75-109) years, and 83.37 (range, 75-94) years; respectively. The mean follow-up periods were 23.26 (range, 3-43.9) months, 19.24 (range, 3-38) months, and 20.1 (range, 3-40) months; respectively. There was no statistical difference between the 3 groups in terms of age and follow-up time (p>0.05). Palmer-Parker mobility scores were 6.23 for Group 1, 3.68 for Group 2, and 4.22 for Group 3. Barthel Indexes were 68.73 for Group 1, 37.75 for Group 2, and 52.77 for Group 3. Group 1 had a statistically significantly higher Palmer-Parker mobility and Barthel Index score than Group 2 and Group 3 (p
Serum Chemokines and Quality of Life among Patients with Endometriomas and Teratomas
Authors: Wojciechowska Małgorzata , Chmaj-Wierzchowska Karolina , Wszołek Katarzyna , Bednarek Kinga , Jasielska Aleksandra , Parda Ilona , Rzymski Paweł , Wilczak Maciej
Published: September 2022

Background: Endometriosis is a chronic inflammatory condition characterized by the presence of endometrial tissue outside the uterus, which can cause pelvic pain, infertility, and other symptoms. The disease may manifest as superficial peritoneal or deep-infiltrating endometriosis or as ovarian endometriomas. Although the mechanisms associated with the regulation and production of inflammatory mediators in endometriosis have been widely investigated, the precise mechanism responsible for inflammation-induced pain remains unclear, and the findings related to the cytokine expression profile and the location of cytokines in cells are contradictory. The intensity of pain experienced by endometriosis patients is not proportional to the degree and severity of their disease. Pain has a significant impact on women suffering from endometriosis. Methods: The following inclusion criteria to the study were: presence of endometriomas vs teratomas, negative pregnancy test result, no prior obstetric and infertility treatment, and good health condition with no diseases or coagulation disorders. Blood samples were collected from all patients. The serum levels of chemokines were determined by ELISA. The Nottingham Health Profile (NHP) questionnaire was made. Results: The median serum levels of chemokines: Monocyte Chemoattractant Protein 1 (MCP-1) and Monocyte Chemoattractant Protein 3 (MCP-3) were statistically higher in the endometriomas group compared to the other two groups. In the NHP questionnaire the comparison of the subjective health dimensions in individual groups showed that the patients in the endometriomas group experienced a significantly higher intensity of “PAIN” compared to other groups. Correlation analysis between NHP dimensions and serum chemokine levels: spearman’s rank correlation analysis indicated a statistically significant relationship between the “VITAL ENERGY” dimension and the level of MCP-2 (r = –0.295; p = 0.022), MCP-3 (r = 0.254; p = 0.050), and RANTES (r = –0.353; p = 0.006); between the “EMOTIONS” dimension and the level of MCP-3 (r = 0.262; p = 0.043); and between the “INCONVENIENCE IN DAILY LIFE” dimension and the level of Eotaxin-1 (r = –0.283; p = 0.028) and CCL13 (r = –0.287; p = 0.026). Conclusions: The chemokines serum levels (i.e., MCP-1 and MCP-3) and intensity of “PAIN” were statistically higher in the endometriomas compared to the teratomas group of women. Therefore, understanding their role in endometriosis-related pain could help in the development of novel, multidisciplinary treatments.
Forensic Characteristics and Genetic Background Dissections of Chinese Manchu and Zhuang Groups Using 59 Autosomal Diallelic InDels and 2 miniSTRs
Authors: Lei Fanzhang , Cai Meiming , Nie Shengjie , Xu Hui , Lan Qiong , Bai Xiaole , Zhu Bofeng
Published: September 2022

Background: The latest development in molecular biology has offered an opportunity to construct multiplex panel with better applicability for forensic purpose, and a self-developed 64-plex panel, including 59 autosomal diallelic InDels, 2 miniSTRs, 2 Y-InDels, and an Amelogenin gene, was validated to be an effective forensic tool in the previous study. Methods: By applying the 64-plex panel for DNA profiling, the obtained genotypes and the corresponding frequency data were used to investigate the forensic characteristics and population genetic structures of the Chinese Manchu group from the Inner Mongolia Autonomous Region and the Chinese Zhuang group from the Yunnan province. Results: The 64-plex panel was qualified to perform human identification and paternity testing with the combined powers of discrimination of 0.99999999999999999999999999758 and 0.99999999999999999999999999691; and cumulative probabilities of exclusion of 0.99999866 and 0.99999880 in the studied Manchu and Zhuang groups, respectively. Relatively closer genetic relationships were found between the Chinese Manchu group and Han population in Beijing; and between the Chinese Zhuang group and Vietnamese Kinh population. Conclusions: It could be indicated from the results that, with the preliminary ability to distinguish ancestral components from all the studied groups, the 64-plex panel can not only serve as a robust forensic panel in the Manchu and Zhuang groups, but also offer genetic insights into the genetic differentiations and substructures of these populations.
Efficacy of Non-Invasive Ventilation in Acute Coronary Syndrome Patients with Acute Systolic Heart Failure
Authors: Qu Chao , Zhao Qi , Cao Wei , Dai Zhenguo , Luo Xing , Zhang Ruoxi
Published: September 2022

Background: Acute systolic heart failure (ASHF) is one of the most serious complications of the acute coronary syndrome (ACS), and increases the likelihood of adverse clinical outcomes. It remains unclear whether the use of non-invasive ventilation (NIV) could improve symptoms and reduce mortality in patients with ASHF derived from ACS. Methods: Data on biological, clinical, and demographic factors, as well as therapy data, were collected from patients with ASHF in the cardiac department. A total of 1257 ACS patients with ASHF were included in the study. Patients were divided into two groups. The control group received standard oxygen therapy. The comparison group consisted of those who underwent NIV as part of their immediate care. During hospitalization and at follow-up, information on both groups was systematically compared. Results: In comparison with the control group, mean 24-hour urine output was found to be significantly higher in the NIV group. A significant reduction in the duration of symptoms was observed among patients in the NIV group from the time of admission until relief of dyspnea. Heart rate, C-reactive protein, estimated glomerular filtration rate, and N-terminal prohormone of brain natriuretic peptide (NT-proBNP) was also improved, compared with those in the control group. The NIV group was found to have a higher survival rate. NIV was independently related to all-cause mortality in 1-year follow-up (hazard ratio, 0.674; p = 0.045). Conclusions: Our study shows that NIV, as compared with standard oxygen therapy, has a beneficial impact on heart rate, metabolic balance, and relief of dyspnea in ACS patients with ASHF which results in reduced intubation rate, duration of in-hospital stay, and 1-year mortality.
Current Status and Future Direction of Antithrombotic Therapy for Patients with STEMI Undergoing Primary PCI
Authors: Vogel Rosanne F. , Delewi Ronak , Badimon Lina , Angiolillo Dominick J. , Vlachojannis Georgios J.
Published: September 2022

Since the introduction of the first pharmacological therapy for the treatment of patients with acute myocardial infarction in the early 20th century, treatment of myocardial infarction has evolved extensively throughout the years. Mechanical revascularization therapies such as the percutaneous transluminal coronary angioplasty, combined with the ongoing development of pharmacological therapies have successfully improved the survival of patients with acute myocardial infarction. To date, antiplatelet therapy (consisting of aspirin and an oral P2Y12 inhibitor) and anticoagulation therapy represent the main stay of pharmacological treatment in patients with ST-segment elevation myocardial infarction (STEMI) undergoing percutaneous coronary intervention (PCI). The routine use of clopidogrel as antiplatelet agent has been largely replaced by the use of the more potent P2Y12 inhibitors ticagrelor and prasugrel. Unfractionated heparin remains the preferred anticoagulant therapy, despite the development of other anticoagulants, including enoxaparin and bivalirudin. To date, limited evidence exists supporting a pre-hospital initiation of antiplatelet and anticoagulant therapy in STEMI patients. The use of potent intravenous antiplatelet agents, including the glycoprotein IIb/IIIa inhibitors and the intravenous P2Y12 inhibitor cangrelor, is currently restricted to specific clinical settings. While several potent antithrombotic agents already exist, the search for novel potent antithrombotic agents continues, with a focus on balancing antithrombotic properties with an improved safety profile to reduce excess bleeding. This review provides an overview of currently available pharmacological therapies for the treatment of STEMI patients undergoing primary PCI, and an outlook for the ongoing development of novel agents in this field.
Measurement of Revascularization Effect Using Near Infrared Spectroscopy in Below the Knee Arteries
Authors: Baltrūnas Tomas , Pikturnaitė Gabija , Račytė Austėja , Baltrūnienė Vaida , Mosenko Valerija , Skrebūnas Arminas , Vaitėnas Gediminas , Ščerbinskas Stasys , Urbonavičius Sigitas , Ručinskas Kęstutis
Published: September 2022

Objectives: Current methods evaluating tissue ischemia are based mainly on evaluating blood flow and not tissue perfusion. However, diabetes mainly affects small vessels and blood flow evaluation is insufficient. The aim of the trial was to evaluate the feasibility of NIRS in measuring perfusion changes during chronic total occlusion (CTO) revascularization in below the knee (BTK) arteries. Methods and Material: A prospective observational study was performed. During the endovascular revascularization procedure, tissue oxygenation changes were measured using three NIRS sensors. Postoperative angiographies and 30 days wound healing was evaluated. Results: The study enrolled 30 patients with chronic limb threatening ischemia, occluded below the knee arteries, Rutherford 5. Mean age 74.7 ± 11.2 years, 16 (53%) of the patients had diabetes mellitus, 10 (33%) had end-stage renal disease. A statistically significant NIRS rSO2 increase was observed on sensors near the wound after the revascularization, p = 0.001. Thirty days follow-up visits included 27 patients, because 3 patients had died. Comparing good wound healing group with poor wound healing group intraoperative NIRS rSO2 increase difference was statistically significant, p = 0.017. Conclusions: The study confirmed tissue perfusion increase could be detected using NIRS during revascularization of below the knee arteries. An intraoperative increase of NIRS rSO2 proved to predict wound healing results.
Role of Vector Flow Mapping in Evaluating Left Ventricular Diastolic Flow Dynamics in Patients Who Underwent Mitral Valve Repair for Degenerative Mitral Regurgitation
Authors: Wang Ying , Li Yanan , Cui Cunying , Ge Zhenwei , Liu Yuanyuan , Hu Yanbin , Huang Danqing , Wang Chengzeng , Liu Lin
Published: September 2022

Background: Mitral valve (MV) morphology after MV repair affects postoperative left ventricular (LV) blood flow pattern and long-term cardiac function. Pilot data suggest that LV diastolic vortex flow pattern changes after operation, but specific quantifiers remain unknown. We aimed to explore the role of vector flow mapping (VFM) in LV diastolic vortex flow pattern in patients who underwent MV repair. Methods: A total of 70 patients with degenerative mitral regurgitation were consecutively enrolled and 30 age- and gender-matched controls were recruited. 50 Patients who underwent MV repair were eventually included in our study. LV average energy loss (EL-AVE) during diastole was measured in the MV repair group by VFM one week before and one month after the operation, and compared with that of controls using one-way analysis of variance. The effect of surgical techniques and the extension of leaflet degeneration on postoperative EL-AVE were analyzed using muti-way analysis of variance, and patients were categorized into a resection subgroup (n = 29) and a non-resection subgroup (n = 21). Results: The EL-AVE one month after operation in the MV repair group was decreased (p < 0.001) compared to that one week before the operation, and was increased (p < 0.001) compared to that in controls. Mitral leaflet resection had a statistically significant effect on postoperative EL-AVE. The EL-AVE of the resection subgroup was higher than that of non-resection subgroup (p < 0.001). Conclusions: VFM can be used to evaluate the diastolic blood flow pattern of LV after MV repair, and to observe the changes of LV blood flow pattern caused by different surgical techniques. VFM may be a potential new hemodynamic evaluation method after MV repair.
Effects of Sodium-Glucose Cotransporter-2 Inhibitors and Thiazolidinedione on New-Onset Atrial Fibrillation Risk to Patients with Type 2 Diabetes
Authors: Song Haegeun , Kim Yoo Ri , Lee Seung Eun , Nam Hyewon , Kim Hoseob , Kyoung Dae-Sung , Kim Kyoung-Ah
Published: September 2022

Background and Objectives: Type 2 diabetes (T2D) is an independent risk factor for the development of atrial fibrillation (AF). Sodium-glucose cotransporter-2 inhibitors (SGLT-2i) have recently been shown to decrease the incidence of AF through several mechanisms, including the reduction of atrial dilatation via diuresis and the lowering of body weight. In observational studies of diabetic patients, the use of thiazolidinedione (TZD) was found to have a protective effect on new-onset AF. In this study, we aimed to compare the effect of SGLT-2i and TZD on the risk of AF in patients with T2D. Methods: We enrolled 69,122 patients newly prescribed SGLT-2i and 94,262 patients prescribed TZD from January 2014 to December 2018, using the Korean National Health Insurance Service database. We compared new-onset AF events (hospitalizations and outpatient events) in SGLT-2i and TZD groups after having taken medication for greater than 90 days. Results: During a mean follow-up of 1.8 years, 397 (0.72%) new-onset AF events occurred in the SGLT-2i group and 432 (0.79%) events in the TZD group following propensity score matching (each group n = 54,993). The hazard ratio (HR) of AF was 0.918 (95% confidence interval: 0.783–1.076, p = 0.29) in SGLT-2i-treated patients compared with TZD-treated patients. Conclusions: In this study, the risk of new-onset AF is comparable in patients treated with SGLT-2i and TZD in T2D. Either SGLT-2i or TZD would be a reasonable choice for T2D patients who are at risk for AF.