bluuebunny/crossref_metadata_2025_split huggingface dataset:
Determination of the total content of some secondary metabolites in various organs of the Dagestan samples of Capparis herbacea Willd.
Authors: Vagabova F. A. , Radjabov G. K. , Musaev A. M. , Islamova F. I. 
Published: March 2021

Relevance, material and methods. Purpose of the work: comparative assessment of the content of the sum of phenolic compounds exhibiting antioxidant activity in various organs of herbaceous capers C. herbacea Willd. The 4 samples of C. herbaceawere collected from natural populations of Dagestan during the flowering and fruiting phases in the summer of 2019. The collected raw materials were divided into fractions (organs), dried in the shade to an air-dry mass, then subjected to further analysis to determine the total content of flavonoids, anthocyanins by the spertrophotometric method on SF-56; the total content of antioxidants by the amperometric method on the instrument of express analysis "Color-Yauza-001-AAA ".Results. During the analysis, good indicators were obtained for the content of the studied compounds. Thus, in terms of the content of flavonoids, the greatest variation is seen in the stems of herbaceous capers (0.34-0.86%) compared to their content in leaves and inflorescences (2.67-2.97% and 2.45-2.90%, respectively). The amount of anthocyanins varies in all organs within the range of 0.05-0.23%. The smallest spread is observed in the total content of antioxidants in the fruits of herbaceous capers (21.35-21.40 mg/l), while in inflorescences this indicator varies greatly (27.44-42.19 mg/l). It is noteworthy that the samples with a high value of antioxidants showed a low content of flavonoids, thereby indicating that flavonoids are not the main components in the antioxidant system of the studied caper species. An important condition determining the variability of the content of phenolic compounds in various plant organs is a complex of abiotic environmental factors. The study of this factor (altitude gradient) revealed a significant relationship with the accumulation of flavonoids in all organs, which has a multi-vector nature (correlation coefficient r*= 0.57; 0.56; -0.47), respectively, in stems, leaves, and inflorescences (P<0,05). A positive relationship in the accumulation of anthocyanins is observed with the height in caper leaves. In all other cases, the connection is random. In addition, the analysis of variance revealed that a large difference in the variability of the studied compounds is observed between individual groups of plants in the absence of intragroup variability.
Assessment of the response reactions of tomatoes depending on the phytosanitary status in condition of infection with viral agents
Authors: Marii L. I. , Andronic L. I. , Smerea S. V. , Erhan I. F. 
Published: March 2021

Relevance. Oxidative reactions (based on peroxidase activity, POX and polyphenol oxidase, PPO; hydrogen peroxide content) that occur in response to infection or reinfection of the off-spring of infected plants depend on the type of host-virus interaction (sensitive, tolerant, stable) and the nature of the interaction with viral infection (primary infection, reinfection of second and third generations).Results. Reinfection with tomato aspermy virus (TАV) or tobacco mosaic virus (TMV) of the off-spring of third infected tomato generation caused a significant decrease in POX activity compared to successive generations of infected plants (G2) for Craigella (Tm-22/Tm- 22) and S. pimpinellifolium genotypes or an increase for Rufina and Craigella (Tm-1/Tm-1) ones. In genotypes containing resistance genes, Rufina and Craigella, no differences were observed in PPO of TMV primary infection and control, while significant differences were found in case of TAV (susceptibility). As a result of TMV infection, the sensitive (Elvira) and tolerant (S. pimpinellifolium) genotypes showed an increase in PPO values compared to the control. At the same time, in most genotypes primarily / secondarily infected with TAV or TMV, statistically significant differences were revealed in the activity of POX or PPO, as well as the accumulation of hydrogen peroxide in plant leaves, which indicates specific protective reactions of the genotypes.
Signal coloration of young leaves of zucchini in the selection of plants with bi-colored fruit
Authors: Khimich G. A. , Korottseva I. V. , Ermolaev A. S. 
Published: March 2021

Relevance.In accordance with the needs of the market, in 2008, a variety of zucchini Russian spaghetti with two-colored fruits was created. We faced difficulties in maintaining a high percentage of two-color forms in the variety population. To solve this problem, we studied the possibility of using markers of young zucchini leaves in the selection of forms with different fruit colors in technical ripeness.Material and conditions. The experience was started in 2005 to 2018 in the open ground on the basis of FSBSI FSVC. In the breeding nursery, research was conducted annually on 30 plants. The color of the fruit was taken into account only in the phase of technical ripeness. The best plants were propagated by incest. In the nursery breeding varieties of Russian spaghetti were sown by family. During 4 years in each family, at different stages of development, 50-100 plants were studied according to the color of the fruit and other economically useful characteristics.Results.For eleven years, incuchination and selection were carried out on two-color forms of zucchini Russian spaghetti to achieve homozygosity and, accordingly, to align the material with the color of the fruit. Some regularities of the influence of the number of integrirovanii on the color of the fruit has not been observed. Continuing to observe the plants, it was possible to establish a relationship between the color of the fruit in technical ripeness and the pattern on the lower (first) leaves. On plants with a marble pattern, the leaves were mostly green (reticulated); with yellow spots on the leaves – two-colored and with completely yellow leaves – yellow fruits. By selecting plants with yellow spots on the leaves in the early stages, in the phase of the 3-4-th real leaves, we were able to increase the percentage of plants with two-colored fruits in the population of the variety to 95.5-100%. All this greatly simplified the original seed production of zucchini Russian spaghetti.
The Impact of Human Resources Development Strategy on Achieving the Sustainable Organizational Excellence in the Yemeni Banks
Authors: Prof. Dr. Abdullatif Musleh Mohammed Ayedh  , Dr. Adel Mohammed Ahssan Beshr  
Published: March 2021

This study aimed to investigate the impact of human resources development strategy on achieving the sustainable organizational excellence in the Yemeni banks. To achieve this objective, the analytical descriptive method was used. The study population consisted of 1314 employees from 10 Yemeni banks. The study sample of (306) was selected by using a non-stratified random method. The data were collected by a questionnaire. The collected data were processed and analyzed using the SPSS. The results of the study revealed that there was a discrepancy in the impact of the variables of the human resources development strategy on achieving the sustainable organizational excellence in the Yemeni banks. The highest degree of impact was found in the variable of innovation development strategy, whereas the lowest degree of impact was found in the human resources training strategy. In light of the findings, the study recommends that the Yemeni banks need to enhance the emphasis on achieving the sustainable organizational excellence of all dimensions and increase their attention to the implementation of human resource development strategy of all dimensions as this has a positive impact on achieving the sustainable organizational excellence.
Persepsi Mahasiswa Prodi S1 Geografi FISIP ULM Terhadap Kuliah Online Di Masa Pandemi Covid-19
Authors: Riadi Selamat , Normelani Ellyn Normelani , Efendi Muhammad , Safitri Irawaty , Firza Ismi Tsabita Gusti 
Published: March 2021

Penelitian ini bertujuan untuk mengetahui persepsi mahasiswa tentang kuliah online, untuk mengetahui aplikasi yang digunakan, untuk mengetahui faktor pendukung dan penghambat. Jenis penelitian ini adalah survey dengan metode deskriptif kuantitatif, sampel penelitian adalah mahasiswa Program Studi S1 Geografi FISIP ULM Angkatan 2019. Teknik Pengumpulan data menggunakan wawancara dan angket. Temuan Penelitian ini adalah Tempat yang biasa mahasiswa kuliah online adalah rumah sendiri yakni sebanyak 46 orang (92%), dan sebagian kuliah di rumah keluarga/tetangga sebanyak 4 orang (8%). Akses internet di tempat tinggal mahasiswa yakni sebanyak 32 orang (64%), sedangkan yang menyatakan tidak ada akses internet sebanyak 18 orang (36%). Alat elektronik yang digunakan mahasiswa dalam kuliah online adalah HP dan Laptop, dimana sebanyak 32 orang (64%) menggunakan HP untuk kuliah online, dan yang sebanyak 18 orang (36%) menggunakan laptop. Aplikasi online yang disukai mahasiswa sebagian besar adalah aplikasi Google Classroom yakni sebanyak 26 orang (52%), sebanyak 9 orang (18%) WhatsApp Group, sebanyak 8 orang (16%) Google Meet, dan sebanyak 7 orang (14%) Zoom. Pemahaman materi kuliah online sebagian besar mahasiswa menyatakan kadang-kadang paham yakni sebanyak 39 orang (78%), sebanyak 8 orang (16%) menyatakan paham, dan sebanyak 3 orang (6%) menyatakan tidak paham. Sebagian besar mahasiswa memilih kuliah tatap muka yakni sebanyak 47 orang (94%) karena kuliah online memiliki beberapa kendala. Kendala mahasiswa dalam kuliah online sebagian besar adalah kesulitan memahami materi yakni sebanyak 33 orang (66%), sebanyak 8 orang (16%) menyatakan kurangnya kuota internet, sebanyak 8 orang (16%) menyatakan kesulitan mendapatkan akses internet, dan 1 orang (2%) menyatakan kurang memahami aplikasi kuliah online.
Alih Fungsi Lahan Kawasan Hutan Lindung (Studi Di Kawasan Pengelolaan Hutan Lindung Kayu Tangi Blok I Kota Banjarbaru)
Authors: Nasruddin Nasruddin , Febrian Gusti M. Syahcreza , Rukmana Ananta Dandy , Indra Muhammad 
Published: March 2021

Alih fungsi lahan dapat diartikan sebagai berubahnya fungsi sebagian atau seluruh kawasan dari fungsinya semula, seperti direncanakan menjadi fungsi lain yang berdampak negatif terhadap lingkungan dan potensi lahan tersebut. Alih fungsi lahan hutan lindung memiliki dampak pada keberlanjutan ekosistem lingkungan secara luas. Hutan lindung sebagai kawasan yang mempunyai fungsi pokok sebagai perlindungan sistem penyangga kehidupan untuk mengatur tata air, mencegah banjir, mengendalikan erosi, mencegah intrusi air laut, dan memelihara kesuburan tanah. Metode penelitian dilaksanakan melalui interpretasi hasil pemotretan foto udara menggunakan pesawat tanpa awak (drone) Tahun 2018, observasi lapangan melalui wawancara pada masyarakat di Kawasan Pengelolaan Hutan (KPH) Kayu Tangi Blok 1 Kota Banjarbaru dengan teknik insidental sampling, yang selanjutnya dilakukan analisis secara deskriptif. Hasil penelitian menunjukkan bahwa alih fungsi lahan yang terjadi di Kawasan Pengelolaan Hutan (KPH) Lindung Kayu Tangi Blok 1 Kota Banjarbaru menunjukkan 22,42% beralih fungsi menjadi kawasan bukan alami atau dengan luas 215,316 ha dengan perincian lahan garapan 13,10%, perkebunan 8,01%, bangunan 1,1%, dan pertanian 0,24%. Faktor terbentuknya alihfungsi didominasi oleh kesulitan dalam mendapatkan jenis pekerjaan sampingan, serta pengetahuan masyarakat yang rendah terhadap status lahan kawasan hutan lindung yang kepemilikannya oleh pemerintah. Hasil penelitian merekomendasikan: 1) diperlukan suatu model dalam Pengelolaan Hutan Berbasis Masyarakat (PHBM) sebagai suatu program yang dilaksanakan dengan melibatkan masyarakat sekitar hutan melalui suatu lembaga swadaya yang dibentuk masyarakat bersama pemerintah dengan target mengembalikan fungsi kawasan melalui kegiatan agrofrestri, 2) diperlukan penyusunan lanskap kawasan berbasis perencanaan partisipatif yang saling menguntungkan antara pemerintah dengan masyarakat.
INFLUÊNCIA DA COMPOSIÇÃO DE SUBSTRATO NO DESEMPENHO MORFOFISIOLÓGICO DAS MUDAS DE TREMA MICRANTHA (L.) BLUME.
Authors: Kissi Yaovi Abel , Motta Ivo de Sa , Duboc Eny , Santiago Etenaldo Felipe 
Published: March 2021

O uso de biossólidos na produção de mudas de espécies nativas é uma alternativa na gestão dos resíduos orgânicos. O sucesso no estabelecimento das mudas no campo depende de vários fatores tais como a qualidade do seu meio de crescimento. O presente trabalho teve como objetivo avaliar o desempenho morfofisiológico de mudas de Trema micrantha (L.) Blume produzidas em biossólidos obtidos da vermicompostagem de lodo de esgoto-LE e capim napier triturado-NT. Então foram utilizados os substratos V1= 40% LE + 60% NT, V2= 50% LE + 50% NT; V3= 60% LE + 40% NT e V4 (substrato comercial), considerado tratamento controle. Após 120 dias da semeadura, foram avaliados os dados do crescimento em altura das mudas, de temperatura das folhas, condutância estomática (Gs) e fluorescência da clorofila-a. Um maior desempenho morfológico foi observado nas mudas produzidas nos biossólidos, sendo que, as alturas médias foram influenciadas pela composição dos biossólidos. As análises dos dados de Gs, dos parâmetros fenomenológicos da fluorescência da clorofila-a e das curvas do transiente OJIP permitiram detectar possível ocorrência de ligeiros danos reversíveis no fotossistema II, no caso das mudas produzidas com V2; essas mudanças não foram suficientes para levar o sistema a uma fotoinibição.
Palavras-chave: biossólido, fluorescência da clorofila-a, condutância estomática.
The Relationship of Modifiable Risk Factors with Indicators of Arterial Stiffness and Vascular Age in Patients with Arterial Hypertension
Authors: Tuktarov A. M. , Kazanceva T. S. , Filippov A. E. , Obrezan A. G. 
Published: March 2021

Aim. To study the relationship of modifiable risk factors (RF) with indicators of arterial stiffness and vascular age based on the contour analysis of the pulse wave velocity in hypertensive patients.Material and methods. The material of the study was the data from a survey of patients undergoing clinical observation at the polyclinic of MMC SOGAZ. A total of 107 patients were examined, in which 70 were men and 37 were women. The average age was 52.3±18.29. Photoplethysmography was used as a special research method, performed using the AngioScan-01 diagnostic complex. The main indicators used to evaluate the stiffness of large vessels were: stiffness index (SI), reflection index (RI), augmentation index (Alp75), age index (AGI), pulse wave types (PV) and vascular age (VA).Results. The mean values of arterial stiffness indices in patients with essential arterial hypertension (AH) and healthy individuals (control) had significant differences. The mean SI, Alp75, and VA values in the group of patients with AH were 7.8±1.03, 7.0±14.44 and 50.8±15.93 versus 7.2±1.73, 0.5±18.02 and 43.8±16.94, respectively (p< 0.05). In both groups, a strong inverse correlation of passport age with C-type PV was revealed (r=0.74, p< 0.01), which reflected the dynamics of a gradual age-dependent decrease in vascular compliance. The average VA value in the control group was 63.1±16.99 years with an average passport age of 59.5±8.79 years, which significantly differed from VA in hypertensive patients (p< 0,05). Overweight, hypercholesterolemia, elevated low-density lipoprotein levels, lack of adequate antihypertensive control, and left ventricular diastolic dysfunction were significantly associated with early vascular (arterial) aging.Conclusion. Patients with hypertension, in addition to high blood pressure, significantly differ from normotensive control in terms of arterial stiffness. The lack of control over modifiable RF of patients with hypertension is associated with early vascular aging.
Understanding Health Economics in Spine Surgery
Authors: Patel Shyam A. , McDonald Christopher L. , Li Neill Y. , Babu Jacob M. , Daniels Alan H. , Rihn Jeffrey A. 
Published: March 2021

» The United States has faced substantial increases in health-care expenditure, with specifically large increases in spine surgery costs.» Many different formulas are utilized to determine value in spine surgery, including cost- benefit analyses, cost-effectiveness analyses, and cost-utility analyses, with the overall determination of value being quality/cost.» Quality often is calculated indirectly using either process measures or outcome measures and represents the potential benefit of a given intervention, usually over a specific time period to yield quality-adjusted life years.» Costs are particularly difficult to calculate given the interhospital, regional, national, and global variability, as well as indirect costs of an intervention, and many different methods are utilized to estimate costs.» Spine surgeons should be familiar with the elements that compose cost-effectiveness and their potential shortcomings in order for providers and health-care policy makers to identify the highest-quality studies and interventions that provide the greatest benefit to patients.
Helicobacter Pylori Infection in Iran: Demographic, Endoscopic and Pathological Factors
Authors: Hojati Seyedeh Amineh , Kokabpeyk Sara , Yaghoubi Salma , Joukar Farahnaz , Asgharnezhad Mehrnaz , Mansour-Ghanaei Fariborz 
Published: March 2021

Abstract
Background: Helicobacter pylori infection is the most important risk factor for Gastritis and Peptic Ulcer. But other factors except H. pylori play roles in its pathogenesis. In current study we compare the clinical manifestation and endoscopic and histopathology findings in patients with and without H. pylori infection.Methods: In this cross-sectional study, 233 of patients with dyspepsia who referred for endoscopy were studied about presence of H. pylori infection. During endoscopy 5 biopsies were taken from each individual. The criteria for presence of H. pylori infection was the presence and recognition of bacteria in pathologic specimen which was done for all patient. These two groups of patient were compared with their demographic, background, endoscopic and pathologic findings. Results: From 233 cases, 154 (66.1%) cases were non-smoker, 201 (86.3%) cases were not alcohol user, 153 (65.7%) cases used tap water and the most common symptom was reported in 157 individual (67.4%) was epigastria pain. There was a significant relation between the number of family member, marital status and presence of H. pylori infection. Also there is a significant relation between endoscopic findings and pathologic findings in patients with H. pylori.Conclusions: the results of current studt demonstrated that H. pylori infection was not associated with sex, alcohol and NSAID drugs. According to the role of H. pylori in pathophysiology of peptic ulcer was clarified, also in this study there were a significant difference in endoscopic and pathological findings H. pylori.
Configuration Models as an Urn Problem: The Generalized Hypergeometric Ensemble of Random Graphs
Authors: Casiraghi Giona , Nanumyan Vahan 
Published: March 2021

Abstract
A fundamental issue of network data science is the ability to discern observed features that can be expected at random from those beyond such expectations. Configuration models play a crucial role there, allowing us to compare observations against degree-corrected null-models. Nonetheless, existing formulations have limited large-scale data analysis applications either because they require expensive Monte-Carlo simulations or lack the required flexibility to model real-world systems. With the generalized hypergeometric ensemble, we address both problems. To achieve this, we map the configuration model to an urn problem, where edges are represented as balls in an appropriately constructed urn. Doing so, we obtain a random graph model reproducing and extending the properties of standard configuration models, with the critical advantage of a closed-form probability distribution.
A Combined Experimental and Tddft-dft Investigation of Structural and Optical Properties of Novel Pyrazole-1, 2, 3-triazole Hybrids as Optoelectronic Devices
Authors: Azab Islam H. El , Ibrahim A. , El-Moneim M. Abdel , Zoromba M. Sh. , Abdel-Aziz Mohamed Helmy , Bassyouni M. , Al-Hossainy A. F. 
Published: March 2021

Abstract
A conjugated semiconductor thin film of 1-((3-(3-(3,5-diphenyl-4,5-dihydro-1H-pyrazol-1-yl)-5-methyl-1H-1,2,4-triazol-1-yl)-1-phenyl-1H-pyrazol-4-yl)methyl)-4-phenyl-1H-1,2,3-triazole [4ph-TAzole]TF was synthesized. The characterization of the obtained [4ph-TAzole]TF powder is carried out using different techniques includes FTIR, UV-Vis, 1HNMR, XRD, and mass spectra. The fabricated [4ph-TAzole]TF thin film with a thickness of 150 ± 3 nm is manufactured by physical vapor deposition technique (PVD) at a low deposition rate with basic pressure of the chamber was 5×10− 5 mbar. Using DFT-TDDFT simulation, the structure measurements can determine the energy gap and optical properties. The obtained DFT-TDDFT data provide good proof for the electronic transition in zero-dimensional [4ph-TAzole]TF as a single crystal molecule. This study provides valuable information on the nature and sources of defect formation and electronic transition in conductor organic derivate of triazole which open the way for the application as an optoelectronic device. Application Davis’s and Shilliday’s equation on [4ph-TAzole]TF mentioned that the \({\text{E}}_{\text{g}}^{\text{D}\text{i}\text{r}}\)and \({\text{E}}_{\text{g}}^{\text{I}\text{n}\text{d}}\)transitions can be computed by plotting \(({{\alpha }\text{h}{\nu })}^{2}\) and \(({{\alpha }\text{h}{\nu })}^{0.5}\) versus \(\text{h}{\nu }\) nearby the value of fundamental band edge (\(({{\alpha }\text{h}{\nu })}^{2}\) and \(({{\alpha }\text{h}{\nu })}^{0.5}\) parts) in the computed Abs. (λ) curves to zero absorption value, respectively. The direct and indirect energies were 2.651eV and 3.01 eV for [4ph-TAzole]TF, respectively. The obtained thin film presents a promising result to be a good candidate for organic derivate of triazole solar cell applications.
Isolation, Identification and Utilization of Lactic Acid Bacteria from Silage in a Warm and Humid Climate Area
Authors: Peng chao , Sun Wentao , Dong Xiang , Zhao Lili , Hao Jun 
Published: March 2021

Abstract
The study aimed to isolate and identify lactic acid bacteria (LAB) from silages and their application to improve the fermentation quality of alfalfa. Forty-nine LAB strains were isolated from silages, and two strains were screened for growth and acid production rates. Then two strains were selected for Physiological and morphological tests and 16S rRNA sequencing. They were Gram-positive and catalase-negative and were able to grow at pH 3.5 and at 45°C, were unable to grow different NaCl concentrations 3, 6.5%. Strain BDy3-10 was identified as Lactobacillus rhamnosus, while TSy1-3 was identified as L. buchneri. The selected strains were evaluated on fermentation of alfalfa silage. The highest CP content occurred in the BDy3-10 treatment group. The contents of NDF and ADF in the TSy1-3 treatment were significantly lower than other treatment (P < 0.05). Compared to the control treatment, inoculation treatments deceased pH during ensiling (P < 0.001) and provided the most increased LA content after ensiling for 10 days (P < 0.001). The AA contents of all the inoculation groups were significantly increased (P < 0.001) during ensiling, and were lower than that of control group (P < 0.001). So, the TSy1-3 treatment most effectively improved the fermentation quality of alfalfa silage in warm and humid climate area.