bluuebunny/crossref_metadata_2025 huggingface dataset:
Institutional support for professional competence of librarians to improve the codification and preservation of traditional knowledge in the libraries
Authors: N. Lazarus , I. Jinadu , C. Eddy-Ugorji , Abayomi Imam
Published: March 2021

Codification and preservation of traditional knowledge is of great importance, more so by professionals from the library and information science. Acquisition and management of traditional knowledge in academic libraries is one of the evolving areas of research and this is why this paper examined the impact of institutional support for professional competence of librarians to improve the codification and preservation of traditional knowledge in Lagos State, Nigeria. It provides a perspective from which institutional support can be viewed as an important element for codification and preservation of traditional knowledge in the libraries. In addition, the paper identified institutional support as funding, motivation, staff training/development, facilitative policy; including the inadequacies. The paper discussed the concept of professional competence and the competences required of professional librarian for codification and preservation of traditional knowledge in the library. This include: educational qualification, understanding the source of traditional knowledge, ability to locate traditional resources, possession of knowledge of traditional knowledge codification and preservation, Information and Communication Technology (ICT) skills. In conclusion, the paper reiterated that there is need to include other librarians apart from the library management staff in the formulation of institutional policy for improvements in codification and preservation of traditional knowledge in Lagos State. Moreover, the library management should make adequate provision for regular training and retraining of librarians to improve the codification and preservation of traditional knowledge in Lagos State.
Parents’ awareness and monitoring of teenage children’s use of social media in Delta State, Nigeria
Authors: Adomi Esharenana , Oyovwe-Tinuoye Gloria , Igwela Jennifer
Published: March 2021

The study examined parents’ awareness of their teenage children use of social media in Delta State, Nigeria. Descriptive survey research design was adopted for the study using a self-constructed questionnaire as instrument of data collection.The questionnaire was constructed after extensive consultation of related literature in order to ensure that relevant items were included in it. The population of the study comprised of all parents in Delta State, Nigeria but the study adopted a purposive sampling technique to select respondents for the study. Data were collected through the use of a self-constructed questionnaire entitled “Parents’ awareness of their teenage children use of the social media (PATCUSM)”. The data collected were analysed using frequencies and simple percentages.The study has revealed that all parents’ were aware that their teenage children used social media; a majority of them indicated that their teens used their mothers’ device to access social media; teenagers use of Facebook attracted the highest responses followed by WhatsApp; a majority of the parents indicated that their teenage children access social media during the day, though most of them were not aware of the length of time their teens spent per visit to social media site; a majority of the respondents were aware that their teens used social media for academic matters and they monitored their teenage children. The study recommended that parents should ensure that they guide the children on fruitful use of social media to enhance their academic achievement and advancement; efforts should be made by parents to regularly monitor and supervise their teens children on social media in order to mitigate their use for antisocial purposes; parents should provide their teenage children with smart phones, but should monitor their use to ensure the teens use them for productive purposes.
An efficient 4-step block method for solution of first order initial value problems via shifted chebyshev polynomial
Authors: O. Isah , S. Salawu , S. Olayemi , O. Enesi
Published: March 2021

In this paper, we develop a four-step block method for solution of first order initial value problems of ordinary differential equations. The collocation and interpolation approach is adopted to obtain a continuous scheme for the derived method via Shifted Chebyshev Polynomials, truncated after sufficient terms. The properties of the proposed scheme such as order, zero-stability, consistency and convergence are also investigated. The derived scheme is implemented to obtain numerical solutions of some test problems, the result shows that the new scheme competes favorably with exact solution and some existing methods.
Accessibility and Usability of Internet among University Students in Khyber Pakhtunkhwa, Pakistan
Authors: Ahmad Shehzad , Rafiq Muhammad
Published: March 2021

This study aims to investigate the internet accessibility and usability among the graduate students in the Public Sector Universities of Khyber Pakhtunkhwa, Pakistan. The study adopts a descriptive survey design. The data was collected by administering a structured questionnaire as data collection tool from 1001 graduate students, selected through proportionate sampling technique from the five purposefully selected Public Sector Universities in Khyber Pakhtunkhwa. The results revealed that, majority of the students have their own PCs/Lap-tops and accessed internet at homes followed by university libraries and computer labs mostly for: entertainment, academics, communication and keeping themselves up-to-date. However, majority of the students used to spend maximum time on internet for entertainment purposes rather than educational purpose. It was also revealed that they were less satisfied with some of the important academic online resources like: free books, free online databases, free electronic reference material, indexes and abstracts, and thesis and dissertations and that is why these resources received the lowest ranks in effectiveness and a very low rank in the use frequency. The problems which hindered the effective use of internet among students were: inadequate knowledge of online e-resources, slow speed of internet, electricity shortage problems, the negative attitude of society towards the internet usage, and students having less encouragement from parents to use internet due to the availability of immoral sites on the internet. Thus, overcoming these problems will definitely enhance the effective use of the internet. Suggestions and recommendations are proffered based on the findings of this study.
Tintelingen in de handen, wat nu?
Authors: ROGGEMAN S. , DE COCK K. , JOOS E.
Published: March 2021

Tingling hands, what is wrong?

A patient was sent to the physical medicine and rehabilitation department for advice and electromyography because of paraesthesia and functional impairment of the left hand. Such complaints are a frequent reason for seeking medical consult.

Based on the most frequent causes of paraesthesia of the hand, this article aims to provide a tool to draw up a list of the most probable diagnosis and differential diagnosis through anamnesis and clinical examination.
Extraorale vasculaire anomalieën van de hoofd-halsregio
Authors: BECKERS R. , GOVAERTS D. , DESMEDT M. , MALEUX G. , COMBES F. , POLITIS C.
Published: March 2021

Extraoral vascular anomalies in the head and neck area

Vascular anomalies have a prevalence of 4.5%, of which most occur in the head and neck area. In this retrospective cohort study, extraoral vascular anomalies are categorized based on the classification of the International Society for the Study of Vascular Anomalies (ISSVA). Subsequently, an analysis of the clinical presentation, treatment and complications of the 75 included patients was performed. The proportion of vascular tumors and malformations in this study was 24% (n = 18) and 76% (n = 57) respectively. Most of the extraoral vascular tumors and malformations occurred respectively in the lip (66.7%; n = 12) and cheek area (40.4%; n = 23). The most frequent complaint when patients presented with a vascular tumor, was the wish to be diagnosed (77.8%; n = 14). Swelling was the most frequent complaint when patients (35.1%; n = 20) presented with a vascular malformation. In 48.1% (n = 26) of the patients receiving interventional treatment, at least one recurrence was seen (n = 54), and almost exclusively in vascular malformations (96.2%; n = 25). Interventional therapy of vascular malformations is complex and associated with a pronounced risk of complication and recurrence, which is why multidisciplinary care for these patients is often an added value. The treatment of vascular tumors results in minimal morbidity or recurrence.
The importance of using picture dictionaries in the lessons of mother tongue in primary schools
Authors: Khusenova Mukhtaram , Ernazarova Manzura
Published: March 2021

The following article gives the description of picture dictionaries. And it also introduces picture dictionaries as a useful material for children to immerse their mother tongue. The vitality has been emphasized in the following article
Rehabilitation features of patients with stroke in the vertebro-basillary system depending on the pathogenetic subtype of stroke
Authors: Bakhadirova Munisa
Published: March 2021

Ischemic stroke is a serious medical and social issue due to deep and prolonged disability, as well as social maladjustment of patients. In this regard, the aim of the research was to study the influence of pathogenetic subtypes of ischemic stroke on the rehabilitation possibilities.

 Based on the presence of COPD (Chronic Obstructive Pulmonary Disease) we divided all patients into 2 groups

Patients with IS in VI (Vertebrobasilar Insufficiency) and COPD - 62 people (group I) - 29 men and 33 women aged 50 to 74 (59.8 ± 5.8). Patients with IS in VI - 64 people (group II). Of these, 31 are men and 33 are women aged 51 to 80 (62.4 ± 5.4). All patients received traditional treatment in the most acute and severe periods of IS, patients with COPD received and treatment for COPD simultaneously with traditional IS therapy. The Barthel index was used to assess the patient's self-care capabilities. The degree of disability after IS was studied using the Rankin scale. In patients of subgroup II b, by the end of the ED (Eating Disorders), the indicators of the Lindmark B scale for the patient's general mobility differed significantly from the baseline at the beginning of the ED (p = 0.44). At that time, in the II a subgroup, only the indicators of the B. Lindmark scale were reliable.

In patients of subgroup II b, the difference in indicators at the beginning and at the end of ED was significant according to the Barthel index. Recovery in ED depends on many factors, including the subtype of IS, so the IS CE is the most severe, which is reflected in the Rankin scale. The timing and extent of patient recovery depends on the localization of the process, the subtype of IS, the presence of COPD, and the method of rehabilitation. Patients with the lacunar subtype, a single small or medium focus in the cerebellar hemispheres and midbrain recover most fully after complex rehabilitation.
Oddiy va nanozarracha kiritilgan kremniy asosli quyosh elementining fotoelektrik parametrlarini yorug’likning tushish burchagiga bog’liqligi
Authors: G'ulomov Jasurbek , Aliev Rayimjon , Mirzaalimov Avazbek , Abduvoxidov Murodjon , Mirzaalimov Navruzbek , Qaxxorov Jamshidbek , Rashidov Bobur , Ziyoitdinov Jahongir , Temirov Sodiqjon , Eraliev Abduhalil , Izzatillayev Xurmatillo
Published: March 2021

Quyosh elementlarini turlari juda ko’p. Ular ichida eng keng tarqalgani kremniy asosli quyosh elementidir. Kremniy asosli quyosh elementini foydali ish koeffitsientini orttirish, uning xususiyatlarini to’liqroq o’rganish maqsadga muvofiq. Chunki kremniy dunyoda eng keng tarqalgan elementlardan biri. Ushbu ishda kremniy asosli quyosh elementini opto-elektrik xususiyatlariga nanozarrachalarining ta’sirini o’rganilgan. Bilamiz, yorug’lik tushish burchagi o’zgarishi bilan quyosh elementining fotoelektrik parametrlari o’zgaradi. Ushbu maqolada, oddiy va nanozarracha kiritilgan kremniy asosli quyosh elementlarining fotoelektrik parametrlariga yorug’lik tushish burchagining ta’siri o’rganilgan.
Progression of enteroviral encephalitis in children
Authors: Berdieva Khilolakhon , Sadykova Gulchekhra
Published: March 2021

The article presents analysis of the results of a dynamic follow-up of 35 children with enteroviral encephalitis. The average age of these children suffering enteroviral encephalitis was 6.04±0.84 years old. Maximal morbidity rate of enteroviral encephalitis was observed in August and September and corresponded to the common morbidity rate of all enteroviral infections.
Tibbiyot institutlarida fizika fanini o’qitishning o’ziga xos jihatlari
Authors: Safarova Rahima
Published: March 2021

Maqolada tibbiyot oliy o'quv yurtlarida o'rganiladigan "fizika" fani mavzularining o’qitilishi muhokama qilinadi. Ushbu fanning mazmunini tahlil qilish amalga oshiriladi. "Fizika" fanida ochilgan professional yo'naltirilgan savollar. Kasbiy yo'naltirilgan masalalarning tasnifi berilgan. Tibbiyot oliy o'quv yurtlarida fizikani o'rganish jarayonida foydalanish mumkin bo'lgan professional yo'naltirilgan vazifalar tavsiflanadi.
Tibbiyot fakulteti talabalari uchun fizika mashg'ulotlarini tashkil etishning uslubiy asosi sifatida taklif qilingan, quyidagi integratsiyani qabul qilish kerak:

shaxsga yo'naltirilgan ta'lim nazariyasi, shuningdek, shaxsni rivojlantirish nazariyasi, aloqa, uning ijtimoiylashuvining barcha bosqichlarida shaxsiyat shakllanishining ko'p faktorli tabiati to'g'risidagi g'oyalar;
Oliy ta'lim didaktikasining qonunlari va tamoyillari;
izchillik, faollik printsiplari, individual, yaxlit, ekologik, faollik va boshqa yondashuvlar;
tibbiy profil ta'lim muassasalarida ta'lim muhitini shakllantirish bo'yicha ishlar;
o'quv materialini o'zgartirish (takomillashtirish) zarurati sharoitida ta'limni insonparvarlashtirish g'oyalari;
fizika, matematika, informatika o'qitish nazariyasi va metodikasi sohasidagi nazariy tadqiqotlar.
Integration role of information technologies in knowledge transfer
Authors: Khamroev Rustam
Published: March 2021

The article examines the importance of introducing information technology into the education system, the impact of information technology on the quality of education.

The creation and use of electronic textbooks in the learning process is recommended. This is important in a situation of insufficient provision of educational and methodological literature, as well as a way to resolve the contradiction between the desire to cover as much demonstration material as possible and practical. Since it takes time and some skill to master the specialized programming environment, e-tutorials can be created in a well-studied presentation preparation program.

The use of software products based on the concept of “electronic patient” is emphasized.

The article calls for the acquisition of knowledge, professional skills and abilities, and practical skills are not so much therapeutic and diagnostic manipulations as mastered methods of productive mental activity that provide correct, quick and economical diagnosis and effective treatment.

The article will be useful to students, university professors, staff, and management personnel of the education system.
Клинико-функциональные изменения твердых тканей зубов у больных гемофилие
Authors: Норбутаев Алишер , Шамсиев Мухиддин , Назарова Нодира
Published: March 2021

пониженной свертываемостью крови, занимают особое место среди заболеваний системы крови. Наиболее распространенными из них являются гемофилия и болезнь Виллебранда. Гемофилия – болезнь «королевских особ» – старое, но по-прежнему актуальное заболевание.

Наследственные коагулопатии, характеризующиеся пониженной свертываемостью крови, занимают особое место среди заболеваний системы крови. Исходя из данных ВОЗ и вероятной частоты исследования этих заболеваний, распространенность гемофилии колеблется населения от 3 до 25 больных на 10 000 населения.

Немногочисленные исследования состояния полости рта у больных гемофилией показали высокий уровень стоматологических заболеваний, плохое гигиеническое состояние полости рта. Это объясняется отсутствием правильного ухода за полостью рта, и диспансерного наблюдения, боязни длительных кровотечений после стоматологических манипуляций. Врачи-стоматологи по этой причине стараются избегать лечения заболеваний зубов у данной категории больных.

В то же время современные достижения медицинской науки в области гематологии, развитие эффективной заместительной терапии позволяют предотвращать практически все виды кровотечений.

Однако до сих пор данный контингент пациентов лишен возможности получения своевременной и качественной стоматологической лечебно-профилактической помощи, что в значительной степени обусловливает высокую распространенность воспалительных заболеваний челюстно-лицевой области.

Все вышесказанное является доказательством наличия многих предрасполагающих факторов поражения зубочелюстной системы у больных гемофилией, а также необходимостью профилактических, лечебных, в том числе и ортопедических стоматологических мероприятий для данной категории больных.
Некоторые вопросы допустимости электронных доказательств
Authors: Маматкулова Хосият
Published: March 2021

В настоящей статье рассматриваются некоторые вопросы обеспечения допустимости электронных доказательств, специфика таких доказательств. Автором приводятся предложения по обеспечению допустимости электронных доказательств в уголовном процессе.
Маъмурий жавобгарлик тўғрисидаги ишларни юритишни янада такомиллаштиришнинг айрим масалалари
Authors: Пармонов Жамол
Published: March 2021

Мазкур мақолада маъмурий жавобгарлик тўғрисидаги ишларни юритишни янада такомиллаштиришнинг айрим масалалари таҳлил этилган. Муаллиф маъмурий жавобгарлик тўғрисидаги ишларни юритишни янада такомиллаштириш юзасидан маъмурий ҳуқуқбузарликлар тўғрисидаги ишларни юритиш босқичларини белгилаш, маъмурий ҳуқуқбузарлик тўғрисидаги ишларни юритишни таъминлаш чораларини қўллаш асосларини такомиллаштириш, маъмурий ҳуқуқбузарлик тўғрисидаги ишни юритишда қатнашувчи шахсларнинг ҳуқуқий мақомини тўлиқ ва аниқ белгилаш, иш юритиш амалиётига реабилатция қилиш ва хусусий айблов институтларини киритиш юзасидан таклиф ва тавсияларни илгари сурган.
Халқаро судловлилик тўғрисидаги келишувнинг юридик табиати
Authors: Аллаёров Жахонгир
Published: March 2021

Ушбу мақолада халқаро судловлилик тўғрисидаги келишувнинг юридик табиати таҳлили қилинган. Халқаро судловлилик тўғрисидаги келишув моддий, процессуал ва аралаш назариялар ўрганиб чиқилган. Назарий хулосаларга келинган.
Sociodemographic Determinants of the Level of Knowledge of Prostate Cancer and Prostate Cancer Screening Services among Patients Attending a Secondary Health Facility in Southern Nigeria
Authors: Emeakpor Ogbetere Friday , Nwannebuife Ogbetere Yemihan
Published: March 2021

Background: Late presentation of prostate cancer is rampant in sub-Saharan Africa with attendant high morbidity and mortality. A good knowledge level of prostate cancer and prostate cancer screening services is paramount in preventing late presentation and its management challenges. This study assesses the sociodemographic factors affecting the knowledge level of prostate cancer and prostate cancer screening tools and services among patients attending a secondary health facility in southern Nigeria. Methods: This was a descriptive cross-sectional study amongst men aged 40 years and above attending the general outpatient, surgical outpatient, and medical outpatient clinics in Central Hospital, Auchi, southern Nigeria. A pretested and structured questionnaire was used. Sociodemographic determinants of the knowledge level of prostate cancer and prostate cancer screening were determined based on responses to the questionnaire. Data were analyzed using SPSS version 21. The level of significance was set at 0.05. Results: A total of 143 men participated in this study. Respondents’ age range was between 40 to 98 years with a mean age of 58.91±13.55 years. Overall, 55(38.5%) respondents had good knowledge of prostate cancer while 43(30.1%) had good knowledge of prostate cancer screening. A third (31.2%) think they are at risk of developing prostate cancer, only 9.1% had been screened for prostate cancer. In all, 86.7% of respondents were willing to know more and to be screened in the future. Whereas, age, occupation, average monthly income, and level of education were the statistically significant sociodemographic predictors of level of knowledge of prostate cancer, the only factors that influenced the level of knowledge of prostate cancer screening services were occupation and educational status. Conclusion: Knowledge level about prostate cancer disease and prostate cancer screening services was low among men attending outpatient clinics in Auchi Central Hospital. Respondents’ age, occupation, average monthly income, and level of education significantly affect their prostate cancer knowledge level while knowledge of prostate cancer screening services was determined by the occupation and educational status of the respondents. Interventional campaigns aimed at increasing the knowledge level about prostate cancer and screening services are urgently required.
Nationalist Value on Civics Teaching Materials in Elementary School
Authors: Aziz Jamal
Published: March 2021

The past three years have witnessed a dramatic revitalization of civics education for use in schools. In this brief period, educators have participated in a major national inquiry into civics education, initiated a national curriculum materials project, commenced research to create a substantive teacher knowledge base, developed centers of civics education, and constructed programs for teacher preparation. While this revitalization is not yet well grounded in schools, the situation should change dramatically in the very near future. The structure of the administration of formal education varies widely among the surveyed jurisdictions. In some jurisdictions, national curricula for primary and secondary education is prepared by a central authority that decides the format and content of civic education. Teaching materials is one of the spearheads for achievement integration objectives of character values in a subject. If depicted in a pattern, teaching materials load and interpret the character values in it as well, in this case specifically the character of nationalist, so the teachers will be easier in the development and implementation of the code on the self-learners, in addition to the teachers also develop through learning activities in the classroom. This research was conducted using qualitative methods such as analysis of documents. Source of data used to the non-random sampling technique and purposive sampling. Integration efforts characters nationalists in the description of the learning material Books Students Themes Indahnya Kebersamaan 4th grade curriculum in 2013 carried on: 1) a description, (eye catcher, illustrations), 2) a description of work instructions, 3) a description of exercises after the appearance of discourse and 4) description of evaluation at the end of lesson activities.
Composición química de la madera de Juglans NeotropicaDiels., y su relación con las propiedades químicas del suelo enla parroquia Valladolid, provincia de Zamora Chinchipe, Ecuado
Authors:   Universidad Nacional de Loja –Ecuador, Valverde -Rodríguez Jhuliana Xiomara
Published: March 2021

This research evaluated the chemical composition of the wood of Juglans neotropica D ie ls (Walnut) and its relationship with the chemical properties of the soil, ina humid forest ecosystem of the Valladolid parish in southern Ecuador. For this purp os e , w o od s a m ple s were taken from five walnut trees and soil samples around each individual within a ra d iu s of two meters. Later, in the laboratory, the chemical characterization of the woodwas carried out, as well as the edaphic analysis. For statistical analysis between variables, we used the non-parametric test of Kruskal-Wallis and Spearman. The results showed th a t th e wood of Walnut has greater percentage of holocellulose (78.91%), followed by lignin (13.39%), and in smaller proportions of extractive (5.76%) and ashes (1.94%). The soil presented an average pH of 5.21 (acid), high levels of nitrogen (159.39 ppm) and phosphorus (57.33 ppm). It was evidenced that among the variables of soiland wood th e re are two significant negative relationships (nitrogen-holocellulose and phosphorus-extractants), and a positive relationship (nitrogen-lynogen). However, the p H a n d th e a s h did not present any relation with the components and properties analyzed.Key word:Extractives, ash, lignin, holocellulose, pH.
Determinación del contenido de taninos extraído de la vaina de la tara (Caesalpinia spinosa)proveniente del barrio el portete, cantón Gonzanamá de la provincia de Loja
Authors: Camacho-Gahona Yazmin Isabel , Ordoñez-Gutiérrez Oscar Rodrigo , Chalco-Sandoval Wilson Rolando
Published: March 2021

The tara (Caesalpinia spinosa)is a forest species native to South America, which presents a great potential in the world industry in the field of agro-export and agribusiness, for the use of its derivatives as tannins, which has anunmet demand in the market to be used in tanning and food industries; the present thesis project had the purpose of determining the amount of tannins present in the fruits collected in El Portete neighborhood, for this purpose, aqueous extracts were elaborated by maceration and heating, to which were make organoleptic (color and smell) and physical-chemical (p H and density) analyses, and, the quantification of tannins to each extract, considering two concentrations ofpotassium permanganate solution (0.025and 0.1 N). The results show that the organoleptic and physicochemical characteristics of the extracts obtained by heating and maceration did not present significant differences between them, except fo r the pH that ranges from moderately (3,7) to slightlyacid (4,3); as regards the quantification of tannins, there is a similarity between the values obtained with th e tw o extraction methods; however, there were differences between the value s re a ch e d w ith the two concentrations of potassium permanganate, obtaining the best yields (52,5 %) at the concentration of KMnO4at 0,1 N. Keywords:Potentiality, Quantification of tannins, Concentrations and Yield
Composición química de la madera de Cedrela odorataL. y su relación con las propiedades químicas del suelo de la parroquia Zumba provincia de Zamora Chinchipe, Ecuador
Authors:   Universidad Nacional de Loja-Ecuador., Abad-Cordero Yadira , Jumbo- Benitez Nohemi del Carmen , Fernandez-Guarnizo Paulina Vanesa , González- Rogel, Julia Beatriz , Iñiguez –Ordoñez Diana Paulina , Pucha –Cofrep, Darwin Alexander
Published: March 2021

The research had the objective of determining the chemical composition of the wood o f Cedrela odorataL. and its relationship with the chemical properties of the soil in a forest ecosystem; for this purpose, five trees were taken as samples, from which a branch of one meter long of 10 to 20 centimeters in diameter was obtained and the analyses of ash, extracts, lignin and holocellulose of each sample were carrie d o ut; th e analysis of the level of pH, phosphorus and nitrogen of the soil was made. For statistical analysis, the non-parametric Kruskal-Wallis test was used with the Dunn test, and a bivariate correlation of Spearman was applied. In general, it was obtained that the holocellulose (62,97 %), is the most abundant component, followed by lignin (30,15 %) and with a lower percentage the content of extractable (5,64) and Ashes (1,24 % ). Th e soil where the individuals grew is very acidic (pH of4,70) with a medium p h os p ho rus level (33,74 ppm), and a high level of nitrogen (165,24 ppm). The relationship betw ee n the chemical properties of the wood and each of the chemical properties of the soil resulted in four relationships, two positive (phosphorus -lignin with a s ign if ic a n c e o f 0.1 and nitrogen -holocellulose with a significance = 0,01) and two negative (p H -a s h with a significance of 0,01 and nitrogen -lignin with a significance value of 0,04). Key words: Chemical composition, wood, Cedrela odorata
Librarians’ attitudes towards application of information technology in academic libraries in Pakistan
Authors:   Punjab Higher Education Commission, Ramzan Muhammad , Asif Muhammad ,   Information Technology University, Lahore, Pakistan, Ahmad Shakil ,   Prince Sultan University, Riyad, Kingdom of Saudi Arabia
Published: March 2021

Introduction. This study investigated librarians’ attitudes towards application of information technology in academic libraries and interrelationship between their attitudes and different factors of their professional and personal traits. Method. Primary data was collected from 288 academic librarians working across Pakistan. Analysis. Answers from 219 valid questionnaires were used for data analysis through frequency runs, cross-tabulation, Pearson correlation coefficient, and t-test.. Results. The findings revealed, overall, that respondents showed slightly positive attitudes towards information technology. However, several librarians were confused over the ownership of information technology applications in libraries. A significant relationship was determined between librarians’ information technology attitudes and availability and usage of information technology in libraries, expenditure on information technology, librarians’ expertise in information technology, their awareness about new technologies, experience in computer usage, information technology training, academic qualifications, and experience as librarians. No significant relationship was found between librarians’ information technology attitudes and library budget, size of libraries, type of libraries, location and librarians’ gender. Conclusions. One of the outcomes of this study is that the information technologyattitudes of librarians have been found to be positively associated with the libraries’ information technologyavailability level and librarians’ expertise in information technology. Therefore, a significant effort is needed to enhance the librarians’ positivity towards application of information technologyin libraries. This requires librarians’ exposure to, and experience of latest technologies. Librarians’ role in information technology-related decision making needs to be enhanced.
Modelling users' trust in online health rumours: an experiment-based study in China
Authors:   Center for the Studies of Information Resources, Wuhan University, China, Deng Shengli , Fu Shaoxiong ,   College of Information Management of Nanjing Agricultural University, China, Liu Yong ,   Aalto University School of Business, Department of Information and Service Management, Finland, Li Hongxiu ,   epartment of Information and Knowledge Management, Tampere University, Finland
Published: March 2021

Introduction. With the increasing availability of information on the Internet, online rumours have become prevalent, and it is not uncommon for search engines to return unverified rumours about health. However, false information in such domains may lead to serious consequences if it gains users' trust. An understanding of the characteristics of online health rumours that users' trust is important for fighting their spread. Method. Using real-world online health rumour data from a Chinese database, the authors investigated the predictors of users' trust in online health rumours. An experiment (n = 30) and interviews (n = 10) were conducted to examine how users evaluate particular types of health rumours. Analysis. The effects of rumours' manner of presentation and the perceived information quality on users' trust were tested using ANOVA (with SPSS software) for the quantitative data collected in the experiment. The qualitative component applied content analysis of the interview data to further explain the results produced by the quantitative analysis. Results. The impact of pictures (one dimension of rumour presentation) on users' trust varies, depending on the perceived quality of the pictures displayed with the online health rumours, and informativeness (a dimension of information quality) is an influential predictor of trusting beliefs. Conclusions. The paper serves the aim of highly effective prediction of users' trust in online health rumours, and it contributes new insights for proactively evaluating the hazard level of a particular online health-rumour item.
Finnish adolescents’ selection and assessment of health information sources
Authors:   Culture and Communication Studies/Information Studies at the Faculty of Humanities, University of Oulu, Finland, Känsäkoski Helena , Hirvonenis Noora ,   Culture and Communication Studies /Information Studies at the Faculty of Humanities, University of Oulu, Finland, Palmgren-Neuvonen Laura ,   University of Oulu, Finland, Nygård Tuula ,   Faculty of Education, University of Oulu, Finland, Huotari Maija-Leena ,   Culture and Communication Studies/Information Studies, Faculty of Humanities, University of Oulu, Finland
Published: March 2021

Introduction. It is challenging for young people to determine who or what information sources they can trust in health issues. This study examines adolescents’ understanding of health, health information needs and credible health information sources and discusses the ways some information sources can be regarded as adolescents’ cognitive authorities in health matters. Methods. Thirty-seven Finnish secondary school students from fourteen to sixteen years were interviewed during a school health education project. Analysis. The data were transcribed verbatim and analysed qualitatively through open, axial and selective coding. Findings. Two broad categories of young people’s understanding of health and well-being were identified: a narrow disease-oriented view and a wider view including aspects of mental and social well-being. These views were connected with recognised health information needs, preferred health information sources and credibility evaluation. Conclusions. The interviewed young people found family members and health professionals to be the most credible information sources in health problems. Thus, they can be regarded as adolescents’ cognitive authorities who are likely to influence their opinions. In more general health information needs and in lifestyle issues, the range of the information sources was wider and credibility assessments were dependent on the subject.
Value-added services in institutional repositories in Spanish public universities
Authors:   University of León, Spain, Fernández-Ramos Andrés , Barrionuevo Leticia ,   Library of the Faculty of Arts, University of Leon, Spain
Published: March 2021

Introduction. The aim of the present study was to analyse the value-added services offered by institutional repositories in Spanish public universities. Method. Information was collected on the main characteristics of repositories in Spanish public universities and the value-added services they offered, using a checklist with twenty-five items divided into three dimensions: information on the repository; information on the records; and instructions for use and dissemination. Analysis. We determined the frequency of each value-added service in the repositories included in the study and analysed the main modalities in which these services were offered. We also analysed the similarity between repositories using multidimensional scaling methods. Results. We found high variability between repositories and indicated that some value-added services were widely offered whereas others were only provided by a few repositories. Conclusions. We believe that the provision of value-added services could have a direct impact on repository use because such services are related to many of the reasons that explain repository under-utilisation, such as low perceived usefulness, difficulties depositing work and lack of knowledge about what should or can be deposited.
A Secure Cryptography Based Clustering Mechanism for Improving the Data Transmission in MANET
Authors: MOHINDRA Anubhuti Roda , GANDHI Charu
Published: March 2021

Providing security to the Mobile Ad-hoc Network (MANET) is one of the demanding and critical tasks in recent days, due to its dynamic nature. For this reason, the various routing protocols and security mechanisms are developed for the traditional networks. Nonetheless, it still lacks the limitation of increased computational complexity, inefficient security, reduced throughput, and increased delay. To solve these problems, this paper developed a new system, namely, Secure Cryptography based Clustering Mechanism (SCCM) for MANET. It comprised the following stages: secure routing, encryption, signature generation, signature verification, and decryption. After forming the network, the connection between the mobile nodes was formed. After that, the secured routing was created between the source and destination by implementing the AOMDV routing protocol. Then, the original packet was converted into an unknown format by employing an Elliptic Curve Cryptography (ECC) encryption mechanism. Consequently, the signature for the encrypted packet was generated and forwarded to the destination via the Region Head (RH) and other gateway nodes. When the destination node received the packet, it performed the signature verification process for verifying whether the packet is valid or invalid.  If it were valid, the receiver would accept the data and decrypt it by using the ECC decryption mechanism; otherwise, it would reject the packet and report to the base station. The simulation results evaluated the performance of the proposed security mechanism by using various measures and compared it with other techniques for proving the superiority.
Effect of Rice Straw on Potassium Availability in Illite Containing Soils of Central Plain, Thailand
Authors: DARUNSONTAYA Timtong , JINDALUANG Wittaya
Published: March 2021

Soil potassium (K) in various forms and the effect of rice straw on soil K release were studied in lowland soils containing illite clay minerals. Surface soils of 2 Inceptisols and 2 Alfisols were collected to study. Soil samples were incubated for 120 days with rice straw incorporation at different rates (0, 3,125, 6,250, and 9,375 kg/ha), and various forms of K in soils were determined at various times during the period of incubation. The results showed that the readily available K content (water-soluble K + exchangeable K) of the studied soils increased with the increasing rate of rice straw incorporation. In addition, non-exchangeable K content also increased with the increasing rate of rice straw incorporation by fixation process for all soils. The maximum increase of water-soluble K content of the studied soils was observed on the 4th day of incubation for all treatments, corresponding to the decrease of exchangeable K content at the same time. This result indicated that water-soluble K and exchangeable K were in equilibrium. Changes of non-exchangeable K content during the period of incubation through alternate release and fixation processes were observed monthly. This result suggested that most of the readily available K enhanced by rice straw incorporation would be beneficial for K uptake by the plant.
Paradigm Shift on Labour and Employment in Plantation Sector: An Indian Scenario
Authors: Kathiravan Dr. R. , Jothikumar Dr. B. , Karuppusamy Dr. S. , Sekar Dr. T. , Chitra Dr. K.
Published: March 2021

The plantation sector employs both organized and unorganized laborers. The Plantation Labour Act makes it mandatory for every plantation with 50 or more women workers to afford crèche amenities. Business activity model were slightly changed under open market economy. Planters aim to produce larger quantities as compared to competitive countries like China, Kenya, Sri Lanka, Indonesia, Vietnam, Malaysia etc. This resulted in high cost of production mainly because of climatically and soil condition of our local (indigenous) plantation products, like tea, coffee, cardamom. In the current day of labour promotion, the elimination of contractual work in the plantation is prescribed by the Act. But, it is practiced in the way of indirect method. The labourer who wants to do more work on the basis of additional quantity is producing. They are engaged only the work based additional remuneration is paid. There is no time limit for regularize to the labourers. The outline of wage purpose is reasonably uniform in the plantation sector throughout the South Asian region.
Nano-Androcerum Nano-Androcerum: Inovasi Wound Healing Gel Dari Nanopartikel Daun Binahong dan Kayu Manis Sebagai Akselerator Regenerasi Sel Pada Luka Kronis
Authors: Nugroho Arief Adi , Adianto Candra , Patria Yusuf
Published: March 2021

Luka kronis merupakan bentuk kerusakan jaringan pada kulit akibat infeksi, trauma berulang, dan sebab sistemik seperti diabetes mellitus serta membutuhkan waktu lama untuk sembuh. Luka akan memicu mekanisme regenerasi sel yang meliputi tiga fase utama: inflamasi, proliferasi, dan pembentukan jaringan, tetapi adanya luka kronis akan menghambat penyembuhan luka (wound healing). Saat ini penggunaan obat sintesis masih menjadi pilihan utama, sedangkan pemanfaatan bahan alam sebagai obat untuk luka masih jarang dioptimalkan menjadi sediaan farmasetis. Selain itu, sifat fisikokimia bahan alam menyebabkan bioaktifnya sulit untuk menembus jaringan kulit. Pengembangan teknologi formulasi sediaan perlu dilakukan untuk mengoptimalkan potensi dari bahan alam dalam menunjang efektivitas pengobatan luka kronis. Formulasi sediaan nano gel dapat menjadi solusi untuk mengatasi hal tersebut. Nano Gel memiliki keunggulan seperti ukuran partikel kecil, lebih stabil, tidak lengket, memiliki efek pendinginan pada kulit dan secara estetika lebih disukai. Kandungan flavonoid dari daun binahong (Anredera corifolia) diketahui memiliki aktivitas antiinflamasi dengan menghambat enzim siklooksigenase dan lipoksigenase. Disamping itu kandungan sinamaldehid dari kayu manis (Cinnamomum verum) dapat mempercepat regenerasi sel dengan meningkatkan proses angiogenesis melalui up-regulation sinyal jalur PI3K dan MAPK serta telah terbukti memiliki aktivitas melawan bakteri gram positif dan gram negatif. Kombinasi kedua tanaman tersebut berpotensi mempercepat regenerasi sel pada luka melalui aktivitas antimikroba, mengurangi inflamasi dan meningkatkan proses angiogenesis. Formulasi nano gel akan membantu meningkatkan penetrasi bioaktif dan bentuk gel berperan sebagai wound dressing yang dapat melindungi luka dari kontaminasi. Dengan demikian, formulasi nano gel kombinasi sinergis dari aktivitas kedua tanaman tersebut diharapkan mampu menunjang dan mempercepat proses wound healing.
Upaya Penyembuhan Alopesia Androgenetik Melalui Obat-Obatan Baru Untuk Meningkatkan Kualitas Hidup Laki-Laki
Authors: Ishmatullah Maryam Hasymia
Published: March 2021

Kebotakan pada pria dapat mempengaruhi interaksi sosial hingga menurunkan kualitas hidup. Jenis kebotakan yang paling sering menyerang pria adalah Alopesia Androgenetik (AGA) yang disesbabkan oleh faktor hormon dan gen. Usaha penemuan obat-obat baru untuk terapi AGA terus dilakukan. Berbagai obat yang kini tengah dikembangkan adalah Clascoterone dengan mekanisme memblok hormon; FOL-005 dengan mekanisme mempengaruhi perbaikan jaringan; Cysclospoerine dengan mekanisme menghambat pertumbuhan rambut
Studi Penambatan Molekuler dan Prediksi ADMET Senyawa Bioaktif Beberapa Jamu Indonesia terhadap SARS-CoV-2 Main Protease (Mpro)
Authors: Yasin Sheniez Adhitya , Azzahra Alya , Ramadhan Norman Emil , Mylanda Vega
Published: March 2021

Coronavirus jenis baru SARS-CoV-2 terus meyebabkan penyakit pernapasan, yang dikenal dengan Coronavirus Disease-2019 (COVID-19). COVID-19 dianggap sebagai penyakit pademi global terbesar pada tahun 2020 dan terapi antiviral COVID-19 masih kurang di seluruh dunia. Penelitian saat ini masih berusaha untuk menemukan terapi potensial untuk penyakit tersebut, termasuk dari senyawa alami. Oleh karena itu, penting untuk mengetahui senyawa herbal apa yang paling efektif untuk melawan virus tersebut. Jamu merupakan obat tradisional yang berasal dari tumbuhan herbal di Indonesia dan memiliki beberapa khasiat obat. Penelitian ini dilakukan dengan tujuan untuk menemukan potensi jamu Indonesia dalam terapi COVID-19. Sebanyak 283 senyawa bioaktif dari jamu Indonesia disaring melalui penapisan berdasarkan parameter Lipinski’s Rule of Five dan prediksi ADMET (Absorpsi, Distribusi, Metabolisme, Eksreksi, dan Toksisitas) menggunakan ProTox-II dan SwissADME. Sebanyak 12 senyawa hasil penapisan kemudian dilanjutkan untuk diuji melalui penambatan molekuler terhadap SARS-CoV-2 Main Protease (Mpro) menggunakan AutoDock Vina. Hasil penelitian ini menunjukkan bahwa Kurkuminol D memiliki energi bebas ikatan (ΔG); sebesar -6,9 kkal/mol; dan konstanta inhibisi (Ki); sebesar 2,99 µM; terendah dibandingkan senyawa hasil penapisan lainnya. Namun, tidak ada senyawa hasil penapisan yang memiliki ΔG lebih rendah daripada ΔG kedua kontrol positif, yaitu sebesar –8,2 kkal/mol (Lopinavir) dan –7,8 kkal/mol (Ritonavir). Walaupun 271 senyawa lain tidak memenuhi syarat dalam penapisan, senyawa tersebut mungkin saja memiliki potensial yang lebih tinggi daripada obat standar. Oleh karena itu, penelitian ini dapat menjadi titik awal dalam proses pengembangan obat terapi COVID-19 dari senyawa alami.
Aspectos filosóficos e epistemológicos da matemática e sua interação com a teoria e prática em educação matemática
Authors: Santos Marluce Alves dos , Almouloud Saddo Ag
Published: March 2021

Este artigo é baseado em um artigo apresentado no PME 8 em Sydney (1984) e palestras ministradas na Universidade Livre de Berlim (1984) e na Universidade da Geórgia, Atenas, USA (1985). O autor discute os Aspectos filosóficos e epistemológicos da Matemática e sua interação com a teoria e prática em Educação Matemática.
Postmarketing nutrivigilance safety profile: a line
of dietary food supplements containing red yeast rice
for dyslipidemia
Authors: Banach Maciej , Katsiki Niki , Latkovskis Gustavs , Rizzo Manfredi , Pella Daniel , Penson Peter , Reiner Željko , Cicero Arrigo
Published: March 2021

Introduction

In the absence of a European standardized postmarketing
food supplement surveillance system (nutrivigilance), some member states
and companies have developed their own approaches to monitoring potential adverse reactions to secure a high level of product safety. This paper
describes the use of a nutrivigilance system in monitoring the incidence of
spontaneously reported suspected adverse reactions associated with food
supplements containing red yeast rice (RYR).

Material and methods

We report the data from a widely used product marketed under the trademark Armolipid/Armolipid Plus. Postmarketing information was collected in a voluntary nutrivigilance system established by
the manufacturing company (Meda Pharma SpA, a Viatris Company, Monza,
Italy). From 1st October 2004 to 31st December 2019, this system captured
cases of suspected adverse reactions spontaneously reported by consumers,
healthcare professionals, health authorities, regardless of causality.

Results

The total number of case reports received mentioning the RYR food
supplement product line was 542, in which 855 adverse events (AEs) were
reported. The total reporting rate of AEs was estimated to be 0.037% of
2,287,449 exposed consumers. Of the 542 cases, 21 (0.0009% of exposed
consumers) included suspected serious adverse events (SAEs). After careful
investigation, 6 cases (0.0003% of consumers exposed) and 6 AEs were assessed by the manufacturer as serious and potentially related to exposure
to the above-mentioned RYR-based nutraceutical.

Conclusions

This nutrivigilance-derived data analysis clearly demonstrates a low prevalence of suspected
adverse events associated with the red yeast rice product line. Consumer safety of food supplements could
be generally improved by raising awareness of the importance of following the indications and warnings
detailed in a food supplement’s labeling.