bluuebunny/crossref_metadata_2025 huggingface dataset:
Newton-GMRES-Method for the Scritinization of electric double layer and surface roughness on EHL line contact problem
Authors: Awati Vishwanath B , Obannavar Parashuram , N Mahesh Kumar
Published: March 2023

The electric double layer phenomenon exists on the solid interface under the water-liquid condition. The water molecules are ionized and adhered in the interface forming the sturn layer is a diffused layer in which molecules can move with the movement of bulk of molecules. Because of these two characteristics, the boundary layer of water molecules is called the electric double layer. The aim of present study is to explore the impact of two fraction surfaces of electric double layer (EDL) on a thin water lubricating film on an elastohydrodynamic lubrication (EHL) line contact problem with a sinusoidal surface roughness. The governing modified Reynolds and film thickness equations are based on mathematical model of electro-viscosity of asymmetrical electrical double layer is analyzed numerically. The viscosity-pressure relation of water and theoretical evaluation pertaining to the effect of electric double layer on film-thickness and pressure distribution of EHL with water film of line contact problem is discussed in detail. The effect of zeta potential on film thickness and pressure is determined using Newton’s-GMRES method with Daubechies D6 wavelet as a pre-conditioner. The results predict that, EDL has less impact on pressure distribution and significant impact on film thickness.  The obtained results are compared with results of Dowson and Higginson which are comparable.
Prerequisites for cooperation between self-government and state administration in the construction sector of the Slovak Republic in the light of the new legislation
Authors:   Faculty of European Studies and Regional Development, Slovak University of Agriculture in Nitra, Slovakia, Marišová Eleonóra , Štěpánková Roberta ,   Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture in Nitra, Slovakia, Michalovič Matúš ,   Faculty of Law, Comenius University Bratislava, Slovakia, Lichnerová Ivana ,   AgroBioTech Research Centre of the Slovak University of Agriculture in Nitra, Slovakia, Mariš Martin ,   Faculty of European Studies and Regional Development, Slovak University of Agriculture in Nitra, Slovakia, Cifranič Michal ,   Faculty of European Studies and Regional Development, Slovak University of Agriculture in Nitra, Slovakia, Ďurkovičová Jana ,   Faculty of European Studies and Regional Development, Slovak University of Agriculture in Nitra, Slovakia
Published: March 2023

Competences in the construction sector of the Slovak Republic (SR) under the current legislation are exercised at the local level of the state both by institutions of local self-government (municipalities) and state administration (district offices). The building authorities with the authority to decide on building permits are currently the municipalities to which the state has delegated building competences by Act No. 50/1976 Coll. on spatial planning and building regulations, as amended. However, the new construction legislation, effective from 1.4.2024, leads to a retroactive transfer of construction competences from municipalities to the state, to the newly created regional construction authorities. The long-awaited change in the legislation in the field of building regulations is expected to shorten the permitting processes and improve the functioning of building authorities. Municipalities will carry out the spatial planning, but the issuance of decisions on construction will be the responsibility of the state. The research presented in the paper, conducted through guided interviews with municipalities and district authorities in two selected regions of the SR, demonstrated the lack of state preparedness for the operation of the new state policy in the construction sector. We have come to a similar conclusion by theoretical analysis of the opinions of domestic and foreign authors. Optimal functioning of cooperation between state and local authorities would be possible with future legislative adjustments to the redistribution of construction proceedings between state and local self-government.
Ocena zdolności jednostek samorządu terytorialnego do finansowania projektów inwestycyjnych w perspektywie finansowej 2021–2027
Authors:   Uniwersytet Warszawski, Bitner Michał , Sierak Jacek ,   Szkoła Główna Handlowa
Published: March 2023

Purpose – The aim of the research is to assess the capacity of Polish local governments to finance investments in the EU 2021–2027 multiannual financial framework. Due to the importance of local governments as public investors, their capacity to finance invest-ments, which are largely development projects, is an important factor in increasing the international competitiveness of the entire country.Research method – The research consists in the construction of a forecasting model and then preparation of cash flow forecasts for all local governments in Poland. Four forecast scenarios made it possible to estimate the impact of changes in individual assumptions on the size of the investment capacity of local governments.Results – Forecasts indicate some symptoms of the local government finance crisis and the risk of its aggravation. Maintaining a faster growth rate of current expenditure than cur-rent revenue, with investment needs resulting, inter alia, from the necessity to absorb the EU funds, will lead to an unprecedented increase in debt. This relates primarily to poviat -cities responsible for the implementation of a significant part of public development projects. Originality / value / implications / recommendations – The study was based on the authors’ method of forecasting financial processes in each local government (excluding voivodships). Its results allow the formulation of important conclusions. It was shown that in the case of a large number of local governments, the implementation of investments at the current level will be possible only on condition of a significant reduction in the growth of current expenditures. However, with regard to cities with poviat rights, it may be necessary to change the financing system itself.
Competences and Skills of SMEs for Industry 4.0 - Case Studies of Selected European Initiatives
Authors:   Grupa Badawcza Zarządzania Behawioralnego w Innowacyjności, Sieć Badawcza Łukasiewicz – Instytut Technologii Eksploatacji, Walaszczyk Ludmiła
Published: March 2023

Purpose – SMEs tend to have an intuitive approach when it comes to management, which means that, contrary to bigger companies, they frequently lack sufficient competences and expertise needed to implement the Industry 4.0 concept. The article identifies and analyses case studies of selected state-funded European initiatives (from Poland, Italy, Spain, Slovenia, the United Kingdom, and Finland), which help SMEs prepare for the implementation of Industry 4.0 through the acquisition of adequate competences and skills. Research method – With the use of the case study method, the author has performed the analysis of selected national public initiatives focused on the development of compe-tences and skills of enterprises needed to implement the Industry 4.0 concept. The initiatives were deeply analysed during the implementation of the Interreg Europe SMARTY project (Smart SMEs for Industry 4.0).Results – Based on the results of the case study analysis performed, the author identifies competences and skills SMEs need to successfully implement Industry 4.0. Originality / value / implications / recommendations – The competences and skills identified as part of the case study analysis seem to be required for effective implementation of the Indus-try 4.0 concept in SMEs and they could also serve as recommendations for policy makers as regards the development and organisation of Industry 4.0-related training courses for SMEs.
Koncentracja własności i kontroli a wyniki spółek notowanych na Giełdzie Papierów Wartościowych w Warszawie
Authors:   Uniwersytet w Białymstoku, Marcinkiewicz Jacek , Kuźma Magdalena ,   Uniwersytet w Białymstoku
Published: March 2023

Purpose – The purpose of the research is to investigate the links between concentration of ownership and control of analysed companies and the value of their financial and market performance, as well as to test whether this performance depends on the presence of owners of large, but non -controlling blocks of votes among shareholders. Research method – The article presents an analysis of data contained in financial statements and Management Board’s reports. Pearson’s correlation coefficient, one -way ANOVA test and Kruskal -Wallis test were also used to investigate the links between concentration of ownership and control of analysed companies and the value of their financial and market performance.Results – The conducted studies showed theconcomitance of concentration of owner-ship and control in hands of shareholders holding over 5% of votes at the general meeting and the financial performance in the analysed entities.The research also showed that the relation between the market value of shares and their book value in companies in which shares of two largest shareholders were the same or comparable was higher than in entities in which a difference between these shares was observed. Moreover, ownership and control structure in such entities allowed them for a better use of resources.Originality / value / implications / recommendations – The article emphasises not only the role of ownership and control concentration as regards the value of financial and market performance of companies, but also presents the desired scope of concentration in the hands of the individual shareholders. It draws attention to the role of large, but non -controlling shareholders in corporate governance, especially in the mitigation of the horizontal agency conflict.
Profesionalni razvoj učitelja u okviru konstruktivističke teorije učenja
Authors: Mirosavljević Ana
Published: March 2023

Svrha je ovog rada promišljati o profesionalnom razvoju učitelja unutar konstruktivističkog okvira. Rad doprinosi razumijevanju konstruktivističke prirode procesa učenja koji imaju važne implikacije na učitelje i njihovo razumijevanje učinkovitog načina učenja njihovih učenika. Usmjeren je najutjecajnijijm teorijama učenja i konstruktivističkom pogledu na učenje te raspravlja o temeljima na kojima je postavljena konstruktivistička teorija učenja. Na taj način konstruktivizam sugerira da učitelji osmišljavaju nastavnu praksu kroz stalnu interakciju između onoga što već znaju i vjeruju te onoga što doživljavaju, konstruirajući znanje u interakciji s okolinom, pri čemu se mijenjaju i učitelji i okolina. Drugim riječima, učitelji aktivno grade znanje kroz interakcije u okruženju kao pojedinci i kao članovi grupa ili zajednica. Po sličnom principu potiču i učenike na aktivno i neovisno upravljanje svojim učenjem i obrazovanjem. Razumijevanje načina na koji učitelji uče ključno je za suštinsko i kontinuirano usavršavanje nastave u školama kao i unaprjeđenje rezultata učenja učenika. Rad naglašava pedagoške ciljeve konstruktivističkoga učenja i načela pedagoškog konstruktivizma koji obilježavaju konstruktivističku nastavu i čine ju dinamičnim procesom, ali i stvaraju učinkovito okruženje za profesionalno učenje i profesionalni razvoj učitelja. Osim toga, objašnjava načela učinkovitog podučavanja i učenja te elemente konstruktivističkog obrazovanja učitelja, a time i obilježja konstruktivističkog pristupa profesionalnom razvoju učitelja.
Kompetencije učitelja potrebne za provedbu sata Tjelesne i zdravstvene kulture
Authors: Alić Jelena , Petković Nina , Ivković Gordana
Published: March 2023

Kompetencije učitelja u razrednoj nastavi za tjelesno i zdravstveno odgojno-obrazovno područje dijele se na generičke i predmetno specifične. Generičke kompetencije odnose se na opće kompetencije, a obuhvaćaju teorijska i praktična znanja, dok se predmetno specifične kompetencije odnose na primjenu spoznaja supstratne znanosti predmetnog područja u cilju izvršavanja postavljenih zadaća. U dosadašnjim istraživanjima utvrđene su statistički značajne razlike između procjene razine kompetencija učitelja i studenata. Cilj ovog istraživanja bio je utvrditi razinu kompetencija  učitelja i studenata koje su potrebne za provođenje sata Tjelesne i zdravstvene kulture (TZK) te utvrditi razlike u njihovoj razini procijenjenih kompetencija. Istraživanje je provedeno s  učiteljima osnovnih škola u Dubrovniku  i studentima pete godine Odjela za izobrazbu učitelja i odgojitelja. Razina kompetencija procijenjena je indirektno primjenom hrvatske verzije upitnika Kompetencije u Tjelesnom i zdravstvenom području (Competencies in Physical Education Teaching, Al-Tawel i AlJaafreh, 2017). Rezultati istraživanju pokazali su kako učitelji svoje ukupne kompetencije procjenjuju izrazito visokima (AS = 4.52), a studenti visokima (AS = 4.23). Vezano za subskale upitnika, dobiven je rezultat da  učitelji visokima procjenjuju  svoje kompetencije za provedbu (AS = 4.34) i planiranje sata TZK-a (AS = 4.30), a izrazito visokima procjenjuju motivacijske (AS = 4.85) te osobne i socijalne kompetencije (AS = 4.60). Studenti procjenjuju visokima svoje kompetencije provedbe (AS = 4.22), kompetencije planiranja (AS = 4.00) te  osobne i socijalne kompetencije (AS = 4.17), a izrazito visokima procjenjuju motivacijske kompetencije (AS = 4.51). Testiranjem razlika utvrđeno je kako postoje statistički značajne razlike u tri subskale: kompetencijama potrebnim za provođenje sata TZK-a, motivacijskim kompetencijama te osobnim i socijalnim kompetencijama. Učitelji razinu svojih kompetencija za te tri subskale procjenjuju višima u odnosu na studente. Nadalje, istraživanjem je utvrđeno kako ispitanici dijele mišljenje da bi tijekom učiteljskog studija trebalo uvesti više prakse iz kineziološkog područja kako bi se poboljšale i unaprijedile njihove kompetencije. Rezultati istraživanja mogu pomoći u osmišljavanju učinkovitijeg plana i programa Učiteljskih studija usmjerenih poboljšanju kompetencija koje će steći budući učitelji razredne nastave.
Intracellular FGF1 promotes invasion and migration in thyroid carcinoma via HMGA1 independent of FGF receptors
Authors: Chen Zuyao , Zhong Xiaolin , Tang Weiqiang , Xia Min , Liu Chang , Guo Yinping , Yi Yan , Jiang Qingshan , Zu Xuyu , Zhong Jing
Published: March 2023

Background

Fibroblast growth factor 1 (FGF1) is extensively amplified in many tumors and accelerates tumor invasion and metastasis. However, the role and precise molecular mechanism by which FGF1 participates in thyroid cancer (TC) are still unclear.

Methods

Quantitative real-time polymerase chain reaction- and western blotting were used to detect the mRNA and protein levels of FGF1, high mobility group A (HMGA1), epithelial-to-mesenchymal transition (EMT)-related factors, and FGFs in both TC tissues and cell lines. Immunohistochemistry was conducted to examine the expression of FGF1 and HMGA1. Immunofluorescence staining was used to detect the coexpression of FGF1 and HMGA1. Transwell and wound healing assays were conducted to evaluate the effects of FGF1 on the capacity of invasion and migration in cells.

Results

FGF1 was upregulated in papillary thyroid carcinoma (PTC) tissues and cell lines and was relatively higher in PTC tissues with cervical lymph node metastasis. Furthermore, FGF1 promotes invasion and metastasis through the EMT pathway. Mechanistically, FGF1 promotes EMT through intracellular function independent of FGF receptors. Interestingly, we demonstrated that FGF1 could upregulate HMGA1 in TC cells, and the correlation of FGF1 and HMGA1 was positive in PTC tissues. FGF1 and HMGA1 had obvious colocalization in the nucleus. We further revealed that FGF1 promotes the invasion and migration of TC cells through the upregulation of HMGA1.

Conclusion

Intracellular FGF1 could promote invasion and migration in TC by mediating the expression of HMGA1 independent of FGF receptors, and FGF1 may be an effective therapeutic target in TC.
Insulinomatosis: new aspects
Authors: Christ Emanuel , Iacovazzo Donato , Korbonits Márta , Perren Aurel
Published: March 2023

Endogenous hyperinsulinemic hypoglycemia (EHH) is a rare condition with an incidence of approximately 4–6 per million person-years and comprises a group of disorders causing hyperinsulinemic hypoglycemia without exogenous administration of insulin or its secretagogues. In adults, most cases (approximately 90%) are secondary to a single insulinoma. Other causes include insulinoma in the context of multiple endocrine neoplasia type 1 (approximately 5% of cases) and non-insulinoma pancreatogenous hypoglycemia syndrome, which is estimated to account for 0.5–5% of all cases. Recently, an entity called insulinomatosis has been described as a novel cause of EHH in adults. The characteristic feature of insulinomatosis is the synchronous or metachronous occurrence of multiple pancreatic neuroendocrine tumors expressing exclusively insulin. While most cases arise sporadically, there is recent evidence that autosomal dominant inheritance of mutations in the v-maf avian musculoaponeurotic fibrosarcoma oncogene homolog A (MAFA) gene can cause a familial form of insulinomatosis. In these families, EHH is paradoxically associated with the occurrence of diabetes mellitus within the same family. This review summarizes the current clinical, biochemical, imaging and genetic knowledge of this disease.
La sociabilidad en una academia literaria. El caso de los Nocturnos de Valencia (1591-1594)
Authors: Ferri Coll José María
Published: March 2023

Uno de los espacios de sociabilidad más singulares de que tenemos testimonio es el constituido por las academias literarias del Siglo de Oro. Proyectando en su seno las relaciones políticas, sociales, económicas y religiosas de su época, como si se tratara de un pequeño mundo capaz de emular el orden exterior, la academia es también el mejor escaparate de las modas literarias, las polémicas y los avatares de la literatura contemporánea de su tiempo. El caso de los nocturnos es relevante, pues, al conservarse las actas de sus reuniones, sus estatutos y la nómina de sus miembros, es posible explicar la red de relaciones habidas en el seno del cenáculo, así como el poder instructivo que tuvo la academia sobre los académicos, la mayoría de ellos jóvenes imperitos a la sazón. El cenáculo valenciano, en tal contexto, hizo las veces de espacio de sociabilidad tanto como entorno en que comparecían y se relacionaban según su posición fuera de la academia cuanto como medio instructor de asuntos no solo poéticos y lingüísticos, sino también ceremoniales y sociales.
"Casa del placer honesto" (1620) de Alonso J. de Salas Barbadillo: un marco académico en el Madrid del Siglo de Oro
Authors: Marrón Guareño María Dolores
Published: March 2023

Madrid vivió durante el siglo XVI su periodo de esplendor debido al apogeo del Prado y al florecimiento de las academias literarias. En esta institución participaron los ingenios más ilustres del panorama nacional, y algunos, como Salas Barbadillo, se nutren de estas reuniones académicas para escribir “novelas académicas”, al estilo del Decamerón. Salas Barbadillo fue el primer autor que experimentó con la novela académica y su obra Casa del placer honesto (1620), la primera obra con estructura de marco académico en España, pero no la única en la que el escritor reflejará el tema de las academias literarias
Afrontar la muerte desde la escritura: el pharmakon poético en Veneno de escorpión azul (2006) de Gonzalo Millán
Authors: Bolognesi Sara , Bukhalovskaya Alena
Published: March 2023

El presente artículo propone ahondar en el papel de la escritura en Veneno de escorpión azul (2006), el diario de vida/muerte del poeta chileno Gonzalo Millán, en el que la palabra se erige como un pharmakon. Este se concibe como cura ante el dolor provocado por el cáncer de pulmón que padece el escritor y remedio frente al olvido y la soledad, pero, al mismo tiempo, como veneno que lo obliga a mirar a los ojos de su enfermedad y aceptar que, progresivamente, esta lo aleja de la vida y lo acerca a la muerte.
Isolation and characterization of Clostridia from the feces of wild rabbit and swine for hemicellulosic acetone-butanol-ethanol (ABE) production
Authors: Reddy L. Veeranjaneya , Sreeveda A. , Park In-Hye , Wee Young-Jung
Published: March 2023

Isolation and characterization of solventogenic bacteria from animal feces were carried out. Ten samples were collected continually for 5 d from the feces of wild rabbit and wild swine in Jawaharlal Nehru Zoological Park, Hyderabad, India. Ten acetone-positive strains were selected for evaluation of their phenotypic and physiological characteristics. Two potential solvent-producing cultures were selected for 16S rRNA gene analysis. The culture isolated from the wild rabbit feces exhibited 97.3% similarity with Clostridium beijerinckii 8052, and the culture isolated from the wild swine feces exhibited 93.8% similarity with Clostridium saccharoperbutylacetonicum NI-4(HMT). The isolated strains utilized a wide range of carbohydrate substrates including glucose, fructose, maltose, xylose, arabinose, and glycerol. The major fermentation products from glucose, xylose, and arabinose were acetone, butanol, and ethanol (ABE). The total ABE concentration produced by strain YVU1 was 13.1 g/L from arabinose, 16.3 g/L from xylose, and 20.6 g/L from glucose. Strain YVU2 produced a total ABE concentration of 16.5 g/L, 18.3 g/L, and 22.4 g/L from arabinose, xylose, and glucose, respectively.
The synergistic utilization of plantation forestry wastes: Edible fungi cultivation coupled with hemicellulose extraction by liquid hot water
Authors: Xu Hao , Zhao Jian , Jing Yang , Xie Jingcong , Zhang Ning , Jiang Jianchun
Published: March 2023

A two-step statistical method was developed with two main objectives. One objective was to utilize plantation forest wastes for edible fungi (Pleurotus ostreatus CICC 14012) cultivation and the second was to maximize the laccase activity in the substrates to facilitate hemicellulose extraction. A total of eight forestry wastes were studied using this method. Among these, Pinus massoniana sawdust, Acacia confusa leaves, and Populus tomentosa leaves were selected and optimized to formulate an ideal culturing substrate. As a result, a laccase activity of 125.7 U/g and mycelium growth rate of 1.19 mm/d were achieved with a 30-d cultivation period and without the addition of foodstuffs or agricultural residues. The physical and chemical changes in the cultivated substrate were measured through a combination of morphology and spectroscopy analyses. The findings led to the selection of a liquid hot water treatment, which was optimized through comparative analysis among different conditions. With this technique, a maximum hemicellulose recovery ratio of 68.8% was achieved with treatment at 170 °C for 50 min. The number average and weight average molecular weights of the extracted hemicellulose were 1920 and 4289, respectively.
Fluorescence microscopy characterization of the bonding interface of scrimbers made of alkali-treated finely fluffed poplar veneers
Authors: Guan Mingjie , Zhang Yuan , Chen Xianwen , Yang Sirui , Yong Cheng
Published: March 2023

To improve the penetration of adhesives on finely fluffed poplar veneer (FFPV), a 3% NaOH solution was used to treat FFPV heartwood and sapwood. The treated FFPVs were made into engineered wood composites, otherwise known as scrimbers, with phenol-formaldehyde (PF) resin. The static contact angle and the resin weight gain rate of the FFPV were tested. The shear strength of the FFPV scrimbers was investigated, and the bonding interface was characterized by fluorescence microscopy. The results revealed that the static contact angle of the treated FFPV decreased, but the resin weight gain rate increased. The shear strength of the treated FFPV scrimbers was lower than that of the untreated scrimbers. Fluorescence microscopy revealed that the bondline morphology of the treated FFPV scrimbers changed, with a thinner bondline, a deeper penetration distance, and a smaller glue stain. This result illustrated that alkali treatment can enhance the penetration of PF resin on the FFPV effectively, while excessive penetration of the adhesive should be avoided to ensure adequate bonding properties of the scrimber.
Numerical simulation analyses of single lap joints for wood-PE composites formed with epoxy and acrylic ester adhesives
Authors: Zhou Dongyan , Di Mingwei
Published: March 2023

Wood powder/polyethylene composites (WP/PE) were surface treated by plasma discharge and bonded with epoxy resin and acrylic ester adhesives, respectively. The finite element model of the single lap bonded joints of WP/PE was established through the elastic-plastic finite element method, and the influences of adhesive and lap length on the stress distribution in the adhesive joints were analyzed. The results showed that polar oxygen-containing groups were introduced to the WP/PE surface with the plasma treatment, which improved the bonding properties. The peak values of Mises equivalent stress, peel stress, and shear stress of the bonded joints were mainly concentrated at the end of the bond joint. The peak values of the stress in the lap zone of the high-modulus epoxy resin-bonded joints were higher than those of the low-modulus acrylic ester-bonded joints. With an increased length of the joints, the Mises equivalent stress peak value at the end increased slightly, the peeling stress peak value decreased slightly, and the shear stress peak value changed little. The elastic modulus of the adhesive had a great influence on the stress distribution, and the change in the lap length was not remarkable enough to improve the stress distribution of the adhesive joint.
Effects of the resin content and particle size on the properties of particleboard made of Neolamarckia and Leucaena particles
Authors: Rahman Wan Mohd Nazri Wan Abdul , Yatim Azematul Asma Md , Zlan Ahmad Afiq Mat , Kasim Jamaludin , Yunus Nor Yuziah Mohd
Published: March 2023

A shortage in the rubberwood supply is becoming a reality in Malaysia. To find alternative raw materials for Malaysian wood-based industries, fast-growing species have been identified and need to be analyzed in particleboard manufacturing. This study evaluated the properties of particleboard made with a 50:50 ratio of Neolamarckia cadamba and Leucaena leucocephala with melamine urea formaldehyde as the resin at different contents (10%, 12%, and 14%) and particle sizes (1.0 mm, 2.0 mm, and unscreened particles). The particleboards were tested according to EN 312 (2003). The results showed that the particleboard mechanical properties were significantly improved with increase of the resin content and particle size. The thickness swelling value dropped as resin content was increased, showing better stability of the board.
Comparison of test methods for the determination of delamination in glued laminated timber
Authors: Vella Rodney , Heitzmann Michael T. , Redman Adam , Bailleres Henri
Published: March 2023

Engineered wood products are becoming more prevalent in the residential and commercial construction industries and need to be regulated by standards that ensure their classification and performance requirements. The applicable standard in Australia for the qualification of glued laminated timber is AS/NZS 1328.1:1998 (2011), last revised in 2011. Confusion exists with the specific interpretation of the testing procedures and subsequent methods used for the delamination process. Two methods currently used for product qualification were compared: one using a drying chamber and the other using a standard laboratory dehydrating oven. The trials conducted in accordance with the standard showed a significant difference in glue line delamination between the two testing methods. This was attributed to the lack of humidity and airflow control within the laboratory dehydrating oven and an incomplete drying of the test samples, resulting in different stresses on the glue line. It is evident that the current standard procedure requires clarification to ensure consistency in the test methods and comparable test results.
Tuning of lower critical solution temperature of thermoresponsive 2-hydroxy-3-alkoxypropyl hydroxyethyl cellulose by alkyl side chains and additives
Authors: Dai Mingyun , Tian Ye , Fan Jize , Ren Jilong , Liu Ying , Rahman MD Mostafizur , Ju Benzhi , Ren Xiaozhong , Ma He
Published: March 2023

Two kinds of thermoresponsive 2-hydroxy-3-alkoxypropyl hydroxyethyl celluloses (HAPEC) were prepared by grafting butyl and isopropyl glycidyl ethers onto hydroxyethyl celluloses (HEC). The HAPEC was characterized by 1H NMR, 13C NMR, and 2D HSQC NMR. The lower critical solution temperature (LCST) of HAPEC can be tuned by changing the molar substitution (MS). The LCST decreased with the increasing MS of the alkyl chains. The HAPEC concentration, salt concentration, and organic solvent concentration had a marked influence on LCST. In addition, the differences of thermoresponsive properties between the two kinds of HAPECs were investigated. 2-Hydroxy-3-butoxypropyl hydroxyethyl cellulose (HBPEC), which has longer hydrophobic side chains, demonstrated a lower LCST when both HBPEC and 2-hydroxy-3-isopropoxypropyl hydroxyethyl cellulose (HIPEC) possessed similar MS values. HBPEC, which has longer hydrophobic side chains, exhibited thermoresponsive flocculation behavior, and the critical flocculation temperature (CFT) was adjusted in the range from 27.3 to 51.2 °C by changing the molar substitution.
Pyrolysis of Cunninghamia lanceolata waste to produce wood vinegar and its effect on the seeds germination and root growth of wheat
Authors: Lu Xincheng , Jiang Jianchun , He Jing , Sun Kang , Sun Yunjuan
Published: March 2023

As the by-product of biomass pyrolysis, wood vinegar (WV) possesses numerous beneficial properties and has been used in many fields. The properties and utilization of WVs are primarily influenced by the type of biomass feedstock and the production techniques. In this paper, WVs were pyrolyzed from fir sawdust waste at 350 to 650 °C to study their growth regulation effect on wheat seed and to investigate the underlying mechanisms. The highest yield of WV was at 450 °C with major components of phenols (37.92%) and acids (24.59%). The concentration of WVs has a major influence on regulation effect, which mainly affected the development of lateral roots. Compared with sterile water (CK), the WV-2 showed the highest seed germination rate and lateral roots growth, which increased nearly 65% and 92%, respectively. The lower concentration of WVs increased the roots vigor (RV) and promoted growth, while the higher concentration increased the content of malondialdehyde (MDA) and inhibited growth. The increased MDA indicated that wheat roots were suffering from oxidative stress. The findings revealed the suitability of WV as growth regulator in sustainable agriculture and also provided an efficient way for biomass waste utilization.
Comparative study on the usability of lignocellulosic and algal biomass for production of alcoholic fuels
Authors: Kabir Faryal , Gulfraz Muhammad , Raja Ghazala Kaukab , Inam-ul-Haq Muhammad , Batool Iram , Awais Muhammad , Habiba Umme , Gul Hina
Published: March 2023

The aim of this study was to develop an approach for the processing of agricultural and organic wastes to produce alcoholic fuels such as ethanol and butanol. The cellulosic materials wheat straw (WS), rice straw (RS), and corn stover (CS) were pretreated with dilute sulfuric acid (H2SO4) and sodium hydroxide (NaOH) individually, and microalgae (Chlorella vulgaris) was treated with dilute H2SO4 and then fermented. The results indicated that pretreatment in acidic condition was best to produce fermentable sugar. However, the high glucose concentration was achieved in C. vulgaris (32 g/L) and WS (20.6 g/L) among lignocellulosic biomass. The microalga that was grown in the nutrient deficient condition had a carbohydrate content of 51% ± 2.1. After fermentation, high concentration of ethanol 9.5 g/L (yield 93.7%) and butanol contents of 7.4 g/L (yield 91.3%) were recorded in wheat straw, whereas C. vulgaris yielded ethanol and butanol concentrations of 14 g/L and 11.8 g/L respectively. The results may help to increase the production of biofuels and reduce the need for imported fuels.
Production of therapeutic oral vaccines from transgenic plants –a promising way in treatment of diseases
Authors: Muneerappa Suraksha , Thimmasandra Narayanappa Athmaram , Doddamane Manjulakumari
Published: March 2023

Discovery of vaccines is the most remarkable invention made in the field of science. These have shown to be successful when produced in animals but come with a lot of limitations. A striking invention was seen when the same vaccines could be produced in plants overcoming the disadvantages of animal vaccines. In this review, there is a detailed description underlying the need of producing vaccines in plants, why use plants as a host to produce vaccines, advantages of producing plant vaccines, existing technologies used in the production of plant vaccines and the strategies that can be employed in increasing its production. The review also focuses on how the small size of the plant genome can be utilized in order to bring about several genetic modifications making them resistant to different platforms in order to integrate the gene of interest. The review also shows lists of recombinant, oral vaccines produced through different technologies produced in plants.
Dysthanasia and palliative care: nursing in palliative care
Authors: Felipelli Bernardes Juliana
Published: March 2023

According to the World Federation of Right to Die Societies the term Comfort Care is often used as a synonym for Palliative Care. Palliative Care encompasses in its concept the management of pain and symptoms, support for the patient and family, and the opportunity to achieve a meaningful closure to life. Thus, the article delves into various texts to understand the role of the nursing professional in the maintenance and promotion of health in view of palliative care. Thus, the guiding question of this article is: in the national scientific scenario, how is palliative care presented in the nursing field? The bibliographic review, as a data collection technique, was selected, aligning itself with the expectations of this work, which is to present a broad discussion on the theme in question. This work was carried out from a search on the Google Academic platform, which presented the bases PubMed, Virtual Health Library (VHL) and Portal Capes. The descriptors used were “Palliative care”, “dysthanasia” and “nursing care”, applying a time cut from 2015 to 2023, being selected 30 articles with titles associated with the terms “nursing and complications associated with palliative care”. From the analysis of the articles, it was noted that the professional nurse, in palliative care, must be qualified to make accurate assessments, lead, plan, and have the human eye when practicing care. These assessments result in the nurse’s ability to develop plans for dealing with symptoms and side effects: constipation from narcotic analgesics, nausea and vomiting, lethargy, insomnia, anxiety, and dyspnea. The nurse and the multidisciplinary team responsible for implementing techniques to minimize these problems that are painful for patients and family members who are present in the face of their loved one’s suffering.
Bed space, referral capacity and emergency response of the healthcare facilities in lagos state: a key to improving healthcare
Authors: Obubu Maxwell , Chuku Nkata , Ananaba Alozie , Diallo Rodio , Sambo Emmanuel , Kolade Oluwatosin , Oyekanmi Tolulope , Olaosebikan Kehinde , Serrano Oluwafemi
Published: March 2023

Background: A health system comprises various elements such as infrastructure, human resources, data systems, and financial systems. Adequate infrastructure, including buildings, equipment, supplies, and communication, is crucial to health services. In Nigeria, some healthcare facilities do not have the needed human and infrastructure resources to manage specific conditions, causing multiple referrals and endangering patients' lives. The present study assessed the availability of in-patient beds and the referral capacity and emergency response of the healthcare facilities in Lagos State. Methods: This study leveraged Noi Polls census data on Health Facility Assessment for Lagos state conducted between November 2020 and December 2021. The survey was conducted in 1256 health facilities which are 53.8% of the entire health facilities in Lagos State, and 53.8% of the population of Lagos State was used to compute the bed/population ratio. A descriptive analysis was done to present the findings. Result: Findings revealed that Lagos State has eight (8) beds per 10,000 population which is below the global average of twenty-six (26) beds per 10,000 population and the recommended five (5) beds per 1,000 population by the World Health Organisation. The results further reveal that healthcare facilities in Lagos State need additional 2,861 beds to reach the Sub-Saharan average in-patient beds of twelve (12) per 10,000 population and an additional 31,953 beds to reach the recommended five (5) per 1,000 populations by the World Health Organization. Conclusion: Infrastructures such as beds, emergency rooms, and the emergency transportation services needed to transport patients to other facilities are lacking in most of the healthcare facilities in Lagos State. Secondary healthcare facilities in the State cannot discharge their roles, especially handling referred patients, as they lack bed space to care for in-patients and emergency rooms to carter for emergency cases.
Hispanic Map of the United States 2022
Authors: Lacomba Cristina
Published: March 2023

This study will offer an overview of the situation of the Spanish language and the Hispanic population in the United States up to December 2022, covering areas such as demographics, language, identity, economics, education, politics, and health. The various sections also include information about the effects of the Covid-19 pandemic from 2020 until the end of 2022. This new issue of the Observatorio’s Hispanic Map, moreover, puts into context the diversity characterizing the Hispanic/Latino population, as well as its achievements, over the last two decades. The study concludes by pointing out certain areas which require more attention in order to facilitate the group’s socio-economic progress.
Hosting and Visiting Friends and Relatives of Vietnamese Marriage-migrant Women Living in Korea and Implications for Post-Tourism
Authors:   Center for Asia & Diaspora studies, Kim Jurak , Choi Suh-hee
Published: March 2023

The current study identifies the characteristics of visiting friends and relatives (VFR) and hosting experiences of Vietnamese marriage-migrant women in their home country and Korea. A total of 20 in-depth interviews were the basis of the analysis. Findings show that the Vietnamese migrant women are the actors whose traditional boundary between the host (e.g., tourism service providers) and the guest (e.g., group package tourists) is blurred. Vietnamese marriage-migrant women are familiar with both the home and the receiving country as well as the VFR guests and hosts. They show confidence in hosting and visiting friends and relatives and traveling to both countries. This study further shows how structural regulations, family, and individual characteristics shape the VFR hosting and visiting experiences, implying dual or blurred identities as the host and the guest reflect post-tourism characteristics. Ultimately, this study further argues that the unique identity and hosting/visiting experiences of Vietnamese marriage-migrant women shape travel patterns and their perceptions while traveling with friends and relatives.
Jeju Island, Shedding its Dark Past and Becoming a Space of Peace
Authors:   Center for Asia & Diaspora studies, Lee Sea Yoon , Kwak Yeon Kyeong
Published: March 2023

This paper sheds new light on Jeju Island as a unique touristic site where the painful history of exploitation during the Japanese colonial era and the beautiful landscape co-exist. “Dark tourism” refers to visiting a place where a historical tragedy occurred to remember and memorialize past events. Most recently, Jeju Island was announced as an ‘Island of World Peace’ whence a message of peace is to be conveyed to its visitors through tourism. Focusing on Jeju Island offers an opportunity to re-interpret dark tourism. Central to this study have been the questions of reinterpretation of Jeju Island as a ‘space’ reflecting its own characteristics of place. In this article, we aim to explore the possibility of transitioning from a tragic historical place to one emblematic of peace through the retooled message conveyed to visitors, as well as through historical education tourism. We visited the military facilities, GamaOreum, Cave Fort, and the Jeju Peace Museum, as well as Altteureu Airfield, which was built during Japanese occupation, through seven separate field studies from April 2018 to July 2022. Remnants of the Japanese colonial era remain throughout the islands and the history is still relevant to local residents. This study highlights the importance of considering the local community and their residential area in developing a tourist destination. This study presents a new angle of promising applications for future tourism resources in Jeju Island.
How much would reduced emigration mitigate ageing in Norway?
Authors: Tønnessen Marianne , Syse Astri
Published: March 2023

Population ageing is a topic of great concern in many countries. To counteract the negative effects of ageing, increased fertility or immigration are often proposed as demographic remedies. Changed emigration is, however, rarely mentioned. We explore whether reduced emigration could mitigate ageing in a country like Norway. Using cohort-component methods, we create hypothetical future demographic scenarios with lower emigration rates, and we present (prospective) old-age dependency ratios, population growth and shares of immigrants. We also estimate howmuch fertility and immigrationwould have to change to yield the same effects. In different scenarios, emigration is reduced for the total population and for subgroups, while also taking into account that reduced emigration of natives will entail reduced return migration. Our results show that even a dramatic 50% decrease in annual emigration would mitigate ageing only slightly, by lowering the old-age dependency ratio in 2060 from 0.54 to 0.52. This corresponds to the anti-ageing effect of 15% higher fertility, or one-quarter extra child per woman.
The associative learning roots of affect-driven impulsivity and its role in problem gambling: A replication attempt and extension of Quintero et al. (2020)
Authors: Muela Ismael , Ventura-Lucena José M. , Navas Juan F. , Perales José C.
Published: March 2023

Background and aims

Negative/positive urgency (NU/PU) refers to the proneness to act rashly under negative/positive emotions. These traits are proxies to generalized emotion dysregulation, and are well-established predictors of gambling-related problems. We aimed to replicate a previous work (Quintero et al., 2020) showing NU to be related to faulty extinction of conditioned stimuli in an emotional conditioning task, to extend these findings to PU, and to clarify the role of urgency in the development of gambling-related craving and problems.

Methods

81 gamblers performed an acquisition-extinction task in which neutral, disgusting, erotic and gambling-related images were used as unconditioned stimuli (US), and color patches as conditioned stimuli (CS). Trial-by-trial predictive responses were analyzed using generalized linear mixed-effects models (GLME).

Results

PU was more strongly related than NU to craving and severity of gambling problems. PU did not influence acquisition in the associative task, whereas NU slightly slowed it. Extinction was hampered in individuals with high PU, and a follow-up analysis showed this effect to depend on relative preference for skill-based and casino games.

Discussion and conclusions

Results suggest that resistance to extinction of emotionally conditioned cues is a sign of malfunctioning emotion regulation in problematic gambling. In our work, the key effect was driven by PU (instead of NU), and gambling craving and symptoms were also more closely predicted by it. Future research should compare the involvement of PU and NU in emotion regulation and gambling problems, for gamblers with preference for different gambling modalities (e.g., pure chance vs skill games).
Análise da Produção Acadêmica sobre Estética Organizacional
Authors: Assi Ilton Luiz
Published: March 2023

O objetivo deste ensaio é de apresentar o processo evolutivo da temática estética organizacional, seu esforço em proporcionar maior e melhor ambiência organizacional – “do insosso ou rígido ao saboroso e flexível” –  aumentando a beleza ambiental, visual, emocional e sensitiva da organização. Assim como as organizações são produtoras de novas experiências, e que imputa desejo de estar presente e fazer parte, possui-la. Retrocedemos em busca da base conceitual da estética organizacional e caminhamos até a atualidade. É realizada uma ampla revisão da literatura aplicando rigor e sistematização do método PRISMA. É relevante minimiza a fragmentação do tema,  em uma sequência de construção acadêmica lógica e consistente. Essa consistência tende a ajudar interessados na pesquisa da temática. Por fim, conclui-se que a estética organizacional é fundamental para o bem-estar, sustentabilidade, identidade, aplicação prática contextos complexos e conflitantes.
Reflexos da Pandemia da Covid-19 nos Indicadores de Solvência em Instituições de Ensino Superior Privadas no Brasil
Authors: Nóbrega Mariane Bezerra , Carvalho Patrícia Lacerda de , Araújo Rodrigo Leite Farias de , Silva Carla Carolinne dos Santos
Published: March 2023

A pandemia causada pela COVID-19 vem provocando vários impactos no mercado financeiro e empresarial no Brasil e no mundo. O objetivo deste artigo é verificar os índices de solvência de Instituições de Ensino Superior (IES) privadas do Brasil listadas na Bolsa de Valores de São Paulo (B3), no início da pandemia. Neste estudo, calcularam-se os Modelos de Solvência de Elizabetsky (1976), Kanitz (1978), Altman, Baidya e Dias (1979), Kasznar (1986) e Sanvicente e Minardi (1998), no intuito de verificar se as empresas se encontram capazes de saldarem as suas dívidas atuais e de longo prazo, avaliando se, ao longo dos anos de 2015 a 2019 as IES privadas vêm cumprindo com suas obrigações correntes e analisar a situação de solvência nos primeiros trimestres de 2020. Analisaram-se três empresas (ANIMA, SER EDUCA e YDUQS) das cinco que compõe o Setor de Educação na B3, excluindo-se duas (BAHEMA e COGNA) por falta de informações contábeis necessárias. Nos resultados, as empresas se mostraram solventes na maior parte dos períodos em 4 modelos. A SER foi a empresa que apresentou mais períodos com solvência e a ÂNIMA a que apresentou mais períodos com insolvência. Os resultados indicam pouca discrepância de resultados dos modelos comparando as três empresas analisadas. Ademais, há um indicativo de que os modelos de Altman, Baidya e Dias (1979) e Sanvicente e Minardi (1998) são mais criteriosos para considerar a empresa com solvência. Este estudo contribuiu para apreciação simples e prévia do impacto da crise da COVID-19 na solvência das empresas do setor de educação privada, evidenciando algumas tendências. Ressalta-se a necessidade de criação de um modelo específico para o setor de serviços.