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1.
Transforming smartphones into microscopes for teaching anatomy
Andrej Šorgo, Vida Lang, 2023, objavljeni znanstveni prispevek na konferenci

Opis: A group of prospective biology teachers were given the task of building a microscope out of home appliances and a smartphone. At the end of the course, they built their own microscopes in different designs and took photos of different animal tissues and other material objects. They showed great creativity and tested a variety of solutions. Their work can be seen as a model for their future work with students during their professional careers. An important point is that applying the principles of smartphone microscopy to other school and extracurricular activities can be considered a lifelong skill not only for prospective teachers but also for their future students.
Ključne besede: biology education, human anatomy, microscopy, prospective teachers, smartphone
Objavljeno v DKUM: 25.09.2024; Ogledov: 1; Prenosov: 2
URL Povezava na datoteko

2.
The role of computerized laboratory exercises in development of key competences
Andrej Šorgo, Vida Lang, 2023, objavljeni znanstveni prispevek na konferenci

Opis: Over the past 20 years, the first author and numerous collaborators have attempted to introduce computer-based laboratory exercises in science, particularly in biology classes. While working with secondary and post-secondary students, it was realised that it was possible to simultaneously develop cross-cutting competencies that bridged several key competences of the European framework of eight key competences for lifelong learning. These were (a) Collecting, analysing, and organising information; (b) Communication of ideas; (c) Planning and organising activities; (d) Working with others in teams; (e) The use of mathematical ideas and techniques; (f) Problem solving; and (g) The use of technology. When inquiry and problem-solving strategies are used, student achievement is much higher compared to explanatory and expository labs.
Ključne besede: biology education, computer based laboratory, key competences, laboratory work, science education
Objavljeno v DKUM: 25.09.2024; Ogledov: 0; Prenosov: 1
URL Povezava na datoteko

3.
Predictive power of biology teacher's self-efficacy on acceptability and application of virtual and hands-on dissections
Veronika Havlíčková, Andrej Šorgo, Martin Bilék, 2023, izvirni znanstveni članek

Opis: Hands-on dissections of animals are traditionally regarded as an essential part of biology education. Nowadays, regardless of the reported educational benefits, there is a gradual change in the concept and acceptance of hands-on dissection, leading in many cases to its abandonment in schools and its replacement with alternatives such as 3D models, figurines, plastination and computer-based alternatives. However, the position of hands-on dissection has recently been challenged, mostly by computer-supported alternatives. The aim of the study was to explore whether teacher self-efficacy can be recognized as a predictor of the application of the different kinds of animals in hands-on and virtual dissections in Biology lessons. Based on responses from 405 Czech Biology teachers there are differences in the acceptability and implementation of organisms for hands-on and virtual dissection. It was established, that self-efficacy is not a predictor of either the acceptability of organisms or actual behaviour in both variants of dissection.
Ključne besede: biology lessons, biology teachers, hands-on dissection, teacher self-efficacy, virtual dissection
Objavljeno v DKUM: 23.07.2024; Ogledov: 166; Prenosov: 14
.pdf Celotno besedilo (890,25 KB)
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4.
Recognition of the perceived benefits of smartphones and tablets and their influence on the quality of learning outcomes by students in lower secondary biology classes
Vida Lang, Andrej Šorgo, 2023, izvirni znanstveni članek

Opis: After the appearance of the first smartphones in 2007 and shortly thereafter, tablets became not only useful communication tools, but also objects that function as life organisation units. However, although they are ubiquitous, their actual and potential role in biology education has not been sufficiently explored. The objectives of the survey were to investigate the recent use of smartphones in the last two grades of Slovenian comprehensive school by 14- to 15-year-old students, their satisfaction with them for educational purposes, and the perceived impact on the quality of schoolwork in biology classes. Based on the responses of 313 lower secondary school students, we can conclude that by the end of compulsory education, almost all of them have used smartphones and tablets for educational purposes to some extent, even if the reported use in different school subjects is low. Based on structural equation modelling, which examines the influence of the constructs of support, perceived usability, perceived ease of use, attitudes, and perceived pedagogical impact on the quality of smartphone-based schoolwork, it can be concluded that only perceived pedagogical impacts and perceived usability impacted quality, leading to the conclusion that additional efforts should be made to explore their full potential and the gaps that should be addressed through formal education. Leaving students to their own devices is the worst solution, resulting in a permanent lack of skills, such as the ability to select and interpret information provided through the media.
Ključne besede: attitudes, biology education, quality of schoolwork, secondary school students, smartphones, tablets
Objavljeno v DKUM: 05.06.2024; Ogledov: 136; Prenosov: 14
.pdf Celotno besedilo (1,60 MB)
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5.
Evaluating seagrass meadow dynamics by integrating field-based and remote sensing techniques
Danijel Ivajnšič, Martina Orlando-Bonaca, Daša Donša, Jaša Veno Grujić, Domen Trkov, Borut Mavrič, Lovrenc Lipej, 2022, izvirni znanstveni članek

Opis: Marine phanerogams are considered biological sentinels or indicators since any modification in seagrass meadow distribution and coverage signals negative changes in the marine environment. In recent decades, seagrass meadows have undergone global losses at accelerating rates, and almost one-third of their coverage has disappeared globally. This study focused on the dynamics of seagrass meadows in the northern Adriatic Sea, which is one of the most anthropogenically affected areas in the Mediterranean Sea. Seagrass distribution data and remote sensing products were utilized to identify the stable and dynamic parts of the seagrass ecosystem. Different seagrass species could not be distinguished with the Sentinel-2 (BOA) satellite image. However, results revealed a generally stable seagrass meadow (283.5 Ha) but, on the other hand, a stochastic behavior in seagrass meadow retraction (90.8 Ha) linked to local environmental processes associated with anthropogenic activities or climate change. If systemized, this proposed approach to monitoring seagrass meadow dynamics could be developed as a spatial decision support system for the entire Mediterranean basin. Such a tool could serve as a key element for decision makers in marine protected areas and would potentially support more effective conservation and management actions in these highly productive and important environments.
Ključne besede: Adriatic Sea, seagrass meadow, change analysis, Cimodocea nodosa, image classifiers, Sentinel-2, marine biology, hydrobiology
Objavljeno v DKUM: 17.05.2024; Ogledov: 152; Prenosov: 13
.pdf Celotno besedilo (3,45 MB)
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6.
From nature to lab : sustainable bacterial cellulose production and modification with synthetic biology
Vid Potočnik, Selestina Gorgieva, Janja Trček, 2023, pregledni znanstveni članek

Opis: Bacterial cellulose (BC) is a macromolecule with versatile applications in medicine, pharmacy, biotechnology, cosmetology, food and food packaging, ecology, and electronics. Although many bacteria synthesize BC, the most efficient BC producers are certain species of the genera Komagataeibacter and Novacetimonas. These are also food-grade bacteria, simplifying their utilization at industrial facilities. The basic principles of BC synthesis are known from studies of Komagataeibacter xylinus, which became a model species for studying BC at genetic and molecular levels. Cellulose can also be of plant origin, but BC surpasses its purity. Moreover, the laboratory production of BC enables in situ modification into functionalized material with incorporated molecules during its synthesis. The possibility of growing Komagataeibacter and Novacetimonas species on various organic substrates and agricultural and food waste compounds also follows the green and sustainable economy principles. Further intervention into BC synthesis was enabled by genetic engineering tools, subsequently directing it into the field of synthetic biology. This review paper presents the development of the fascinating field of BC synthesis at the molecular level, seeking sustainable ways for its production and its applications towards genetic modifications of bacterial strains for producing novel types of living biomaterials using the flexible metabolic machinery of bacteria.
Ključne besede: acetic acid bacteria, bacterial cellulose, sustainable production, agricultural waste, food waste, genetic engineering, synthetic biology, biomaterial, Komagataeibacter, Novacetimonas
Objavljeno v DKUM: 28.03.2024; Ogledov: 279; Prenosov: 44
.pdf Celotno besedilo (5,82 MB)
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7.
Translational and personalized medicine
Krešimir Pavelić, Tamara Martinović, Sandra Kraljević-Pavelić, 2015, izvirni znanstveni članek

Opis: The idea behind personalized medicine is to tailor health care to an individual’s unique genetic makeup. Hitherto, “one size fits all” approach was used in medicine. With the rise of personal medicine, we are moving towards a more precise, predictable and powerful medicine that is customized for each individual patient. To allow for an improvement in the acceleration and efficacy of drug development, high-throughput methods (“omics”) are rapidly being developed. This leads to understanding of multiple factors that are involved in disease progress on an individual level. In order to analyze the great amount of data that is collected from such experiments, one has to turn to systems biology, an interdisciplinary science that studies complex interactions within a biological system. Finally, translational medicine comes into play, by “translating” the information gathered from research into diagnostic tools, medicines and policies, with the final goal of improving individuals’ health. Personalized medicine is one of the future, and it will revolutionize the current practice of diagnosis-based medicine, once fully developed.
Ključne besede: personalized medicine, translational medicine, clinic, high-throughput methods, systems biology
Objavljeno v DKUM: 08.10.2018; Ogledov: 1078; Prenosov: 361
.pdf Celotno besedilo (324,18 KB)
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8.
What is the tendency in biology virtual field trips? : the case of Maribor island trail
Miro Puhek, Matej Perše, Andrej Šorgo, 2012, izvirni znanstveni članek

Opis: There is no doubt any more that virtual worlds are suitable for school environment. It was shown by various researchers that they can contribute in supplying students with additional information, help them to visualise subjects, respond with answer on demand or even in some cases supplement the real materials. Based on the real experience, the virtual field trail Walk on Maribor Island was developed for biology and natural science classes in lower secondary school. The trail is presented through eight exercises that differentiate not only in theme, but also in difficultness, fun, background idea etc. In spring 2011, 133 eighth grade students worked on the virtual field trail during the biology class. After the work on exercises, students were asked to analyse the exercises regarding the level of difficultness, level of interest and level of proficiency. The main aim of the study was to present the tendency in biology virtual field trips that should be taken into consideration before the development of new exercises.
Ključne besede: education, biology teaching, field trip, field work
Objavljeno v DKUM: 19.12.2017; Ogledov: 1731; Prenosov: 100
.pdf Celotno besedilo (919,81 KB)
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9.
Students' perceptions of real and virtual field work in biology
Miro Puhek, Matej Perše, Andrej Šorgo, 2011, izvirni znanstveni članek

Opis: The outdoor education is a method of learning with the exposure to (not exclusively) the natural environment that combines all human senses. Students tend to acknowledge a very positive effect of this kind of learning. It is easier and more memorable to connect the theory with practice, when they see things in nature, rather than to just hear about them in the classroom. Despite its popularity, teachers face various obstacles when they take their students outdoors. Although the outdoor education is included in the Slovenian primary and lower secondary school curriculum, the percentage is not high enough, which depends on various reasons. Teachers defined lack of time, suitability of area around the school, not enough instruments for field work and to expanded curriculum as the main reasons for not including field work in the classes. Some of these obstacles could be solved by implementation of information and communication technology (ICT) into the biology and ecology classes. In this research the results of 192 students' point of view on the importance of field work, obstacles of that kind of work and the ICT as a solution to support or replace the real field works are presented. All questioned students were prospective teachers, so sooner or later majority of them will face issues connected to the field work and possibilities to solve them with the help of ICT.
Ključne besede: education, biology teaching, ICT, obstacles
Objavljeno v DKUM: 19.12.2017; Ogledov: 1475; Prenosov: 103
.pdf Celotno besedilo (513,15 KB)
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10.
Secondary school students' perspectives on and attitudes towards laboratory work in biology
Andrej Šorgo, Andreja Špernjak, 2009, izvirni znanstveni članek

Opis: Interest in Biology among secondary school students in Slovenia is dropping from year to year. 1,046 secondary school students were surveyed about their preferred number of group mates in the laboratory, their attitudes towards and positive and negative views of laboratory work in Biology. From the students' perspective, the preferred way of teaching biology would be a mixture of interesting lectures and laboratory activities where they would have the opportunity to find solutions to the problems on their own through work in small groups. This is in direct opposition to prevailing teaching practice, where lectures are the dominant way of teaching. To overcome the loss of interest in Biology among students, action is needed immediately. Bridging the gap between students' perspectives on and opinions-about good teaching practice and actual teaching practice should follow three tracks: the first one involves changes to the syllabus in such a way that less is more; the second one requires rewriting of manuals and textbooks, and the third is a change in the teaching practice of individual teachers. If for the first two teachers can find the excuse that this is outside their sphere of competence, there can be no excuse for avoiding immediate changes in teaching techniques.
Ključne besede: education, biology, secondary education, attitudes, laboratory work, students
Objavljeno v DKUM: 19.12.2017; Ogledov: 1804; Prenosov: 117
.pdf Celotno besedilo (806,44 KB)
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