Green Production of Plant/Collagen-Based Antibacterial Polyvinyl Alcohol (PVA) Nanocomposite Films

Yontar, Arife Kübra; Çevik, Sinem; Yontar, Onur

doi:10.2139/ssrn.4362617

Cited by 2 publications

(5 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This is because teachers need to expand the opportunities of using information and communication technologies in their classes, as well as to enable their students to develop an ability to use technology safely and effectively (Krumsvik, 2008, p. 283). Similar to the findings of the present study, Çam and Kıyıcı (2017), Özerbaş and Kuralbayeva (2018), and Yontar (2019) found that male teacher candidates had higher levels of digital literacy compared to their female peers. This was attributed to the fact that men could be more interested in technological tools and developments than women.…”

Section: Discussionsupporting

confidence: 89%

“…It was found that the teachers' levels of digital literacy were somewhat good and showed significant difference in favor of the male teachers. Yontar (2019) andRizal, Setiawan &Rusdiana (2018) found that the digital literacy levels of teacher candidates were at a moderate level, and Arslan (2019) reported that teachers' digital literacy scores were at a high level in average. Krumsvik (2008) argues that digital competence is more needed in the teaching profession than in other professions or for the average citizens.…”

Section: Discussionmentioning

confidence: 99%

“…Araştırmada, öğretmenlerin dijital okuryazarlık düzeylerinin genel itibarıyla iyi düzeyde olduğu, bu düzeyin cinsiyete göre erkek öğretmenler lehine anlamlı bir farklılık gösterdiği belirlenmiştir. Yontar (2019) ve Rizal, Setiawan ve Rusdiana (2018) tarafından yapılan araştırmalarda da öğretmen adaylarının dijital okuryazarlık düzeyinin orta düzeyde olduğu, Arslan (2019) tarafından yapılan araştırmada öğretmenlerin dijital okuryazarlık ortalama puanlarının yüksek düzeyde olduğu belirlenmiştir. Yine araştırma bulguları ile örtüşen Çam ve Kıyıcı (2017), Özerbaş ve Kuralbayeva (2018) ve Yontar (2019) tarafından yapılan çalışmalarda erkek öğretmen adaylarının dijital okuryazarlık düzeylerinin kadın öğretmen adaylarınınkinden daha yüksek olduğu belirlenmiştir.…”

Section: Tartışma Ve Sonuçunclassified

“…Yontar (2019) ve Rizal, Setiawan ve Rusdiana (2018) tarafından yapılan araştırmalarda da öğretmen adaylarının dijital okuryazarlık düzeyinin orta düzeyde olduğu, Arslan (2019) tarafından yapılan araştırmada öğretmenlerin dijital okuryazarlık ortalama puanlarının yüksek düzeyde olduğu belirlenmiştir. Yine araştırma bulguları ile örtüşen Çam ve Kıyıcı (2017), Özerbaş ve Kuralbayeva (2018) ve Yontar (2019) tarafından yapılan çalışmalarda erkek öğretmen adaylarının dijital okuryazarlık düzeylerinin kadın öğretmen adaylarınınkinden daha yüksek olduğu belirlenmiştir. Bu durumun, erkeklerin teknolojik araç ve gelişmelere kadınlara göre daha fazla merak ve ilgi duymalarından kaynaklanabileceği ifade edilmiştir.…”

Section: Tartışma Ve Sonuçunclassified

See 3 more Smart Citations

Untitled

2023

TAY Journal

View full text Add to dashboard Cite

The purpose of this research is to investigate the level of Empathetic Tendency and Critical Thinking skills of students who were placed/enrolled in the 9th grade after the 2021 High School Entrance Exam (LGS) in the central district of Tokat province and to reveal the relationship between these two variables. In the research, the scanning model was used to reveal the existing situation as it is, and in addition, the relational model was used to determine the relations between the variables examined in the study. The study group consisted of 408 students. It was found that the empathetic tendency levels of 9th-grade students were slightly above average, while their critical thinking skills were below average. Empathetic tendency levels showed a significant difference according to the gender variable, but it did not show a significant difference according to the motherfather attitude variable, it was found that there was no significant relationship between empathetic tendency levels and academic achievement, but there was a negative and low-level significant relationship between empathetic tendency levels and critical thinking skills.

show abstract

Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Tartışma Ve Sonuçunclassified

See 2 more Smart Citations

Untitled

2023

TAY Journal

View full text Add to dashboard Cite

show abstract

“…At present, to fully use the barrier properties of PVA, PVA is usually taken as an intermediate layer via coating method. The realization of the thermal processing of PVA is always the focus for the researchers in PVA industry, and some progresses have been achieved, but the products are still limited in functional films [11][12][13] and high-performance meltspun PVA fibers. [14][15][16] Up to now, there are no reports on preparing PVA tubes via conventional plastic pipe forming methods.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of high‐performance poly(vinyl alcohol) tubes via stable melt extrusion by reversible crosslinking of boric acid

Chen,

Pu,

2023

Polymers for Advanced Techs

View full text Add to dashboard Cite

The unique intermolecular interactions of poly(vinyl alcohol) (PVA) endow it with excellent barrier properties to oxygen and nonpolar hydrocarbon organic solvents, thus having potential applications in the fields of oil and gas transmission. In view of the difficulties in thermal processing of PVA and based on the molecular complexation technology established by our research group, the melt extrusion of PVA tubes was achieved. To improve the extrusion stability of PVA tubes, boric acid (BA), which could form reversible crosslinking with PVA, was further introduced, and the influences of BA content on the interactions between BA and PVA, the thermal processability of PVA, as well as the mechanical properties and gasoline barrier properties of PVA tubes were systematically studied. The results showed that BA could form both chemical and physical crosslinking with PVA, so controlled the violent evaporation of water, one of plasticizers with low boiling point, and at the same time ensured the good thermal processing of PVA, lastly realizing the stable melt extrusion of PVA tubes. With the increase of BA content, the crystallinity of PVA decreased, but the glass transition temperature, mechanical properties, thermal dimensional stability, as well as water resistance of PVA tubes increased. The gasoline barrier of PVA tubes reached the best at the BA content of 0.10 wt%, that is, 0.97 g mm/m2 day.

show abstract

Green Production of Plant/Collagen-Based Antibacterial Polyvinyl Alcohol (PVA) Nanocomposite Films

Cited by 2 publications

References 0 publications

Untitled

Untitled

Fabrication of high‐performance poly(vinyl alcohol) tubes via stable melt extrusion by reversible crosslinking of boric acid

Contact Info

Product

Resources

About