深圳图书馆创客空间运行模式研究

[目的/意义]以深圳图书馆创客空间开展的创客系列活动为例,探讨公共图书馆创客空间运行模式,以期为公共图书馆开展创客空间服务提供理论指导与方法参考。[方法/过程]通过研究深圳图书馆创客空间的服务定位、服务对象、服务支撑、服务内容、合作模式、管理机制等内容,探讨公共图书馆创客空间的运行模式。[结果/结论]公共图书馆创客空间开展创客教育与服务,应明确服务定位,提供精准服务;融合STEAM（科学science、技术technology、工程engineering、艺术art、数学mathematics）教育,制定跨学科的创客教育课程体系;引进社会资本,推广public-private partnership（PPP）模式。     

期刊编辑防范学术不端能力培养的必要性与策略

期刊编辑的初审工作是阻止学术不端稿件传播极为重要的环节,培养和加强编辑的防范意识与能力,有利于维护科研诚信和出版秩序.从学术不端行为不会消失、学术不端检测系统不是万能、学术不端行为日益隐蔽和期刊编辑囿于日常工作4个角度,分析培养和加强编辑防范意识与能力的必要性,提出了入职培训、定期宣传、积累传承经验和制订问责机制4条策略.     

新时代科技期刊青年编辑要有“三心”“二意”

青年编辑的成长和培养问题是科技期刊编辑界关注的热点。结合新时代要求,对青年编辑应当具备的时代风貌进行探讨。认为青年编辑要有“三心”“二意”,即坚定信心、胸怀匠心、不忘初心,牢固树立法治意识和市场意识。     

德育的对话教育模式分析

对话是主体双方在平等基础上相互理解和交流的过程，在德育中，教师和学生在相互作用中达到相互理解和精神沟通，从而促进学生道德水平的提高。对话教育模式有助于弥补传统德育中的缺失，提高道德教育的实效性，对于德育建设具有十分重要的意义。     

浅谈电子技术实验教学改革

针对提高学员的3种能力进行电子技术实验的教学改革,根据实验教改的设计思路,介绍了实验教改的实施方案及实施过程,可以充分发挥学员的潜能,培养学员的创新能力。     

作业治疗连环互动教学模式探讨

本文探索适合我国国情的创新性作业治疗教学模式。其方法是在理论课、实验室、自习课及见习课中，通过启发、激趣、设疑和探究等促使师生互动。在所有的课堂中师生互动，学生成为作业治疗方案的设计者。连环互动教学模式，是培养学生创新思维及创新能力的一种创新教学模式。     

Development of a chemically defined medium for Planctopirus limnophila to increase biomass production

BackgroundPlanctomycetes is a phylum of biofilm-forming bacteria with numerous biosynthetic gene clusters, offering a promising source of new bioactive secondary metabolites. However, the current generation of chemically defined media achieves only low biomass yields, hindering research on these species. We therefore developed a chemically defined medium for the model organism Planctopirus limnophila to increase biomass production.ResultsWe found that P. limnophila grows best with a 10 mM sodium phosphate buffer. The replacement of complex nitrogen sources with defined amino acid solutions did not inhibit growth. Screening for vitamin requirements revealed that only cyanocobalamin (B12) is needed for growth. We used response surface methodology to optimize the medium, resulting in concentrations of 10 g/L glucose, 34 mL/L Hutner’s basal salts, 23.18 mM KNO₃, 2.318 mM NH₄Cl and 0.02 mg/L cyanocobalamin. The analysis of amino acid consumption allowed us to develop a customized amino acid solution lacking six of the amino acids present in Aminoplasmal 10%. Fed-batch cultivation in a bioreactor using the optimized medium achieved a final ΔOD₆₀₀ of 46.8 ± 0.5 after 108 h, corresponding to a cell dry weight of 13.6 ± 0.7 g/L.ConclusionsThe optimized chemically defined medium allowed us to produce larger amounts of biomass more quickly than reported in earlier studies. Further research should focus on triggering P. limnophila biofilm formation to activate the gene clusters responsible for secondary metabolism.How to cite: Kruppa OC, Gerlach D, Fan R, et al. Development of a chemically defined medium for Planctopirus limnophila to increase biomass production. Electron J Biotechnol 2021;54. https://doi.org/10.1016/j.ejbt.2021.09.002.     

栽培式教育的理论基础

当下的教育惟分数论依然十分严重,对人的培养反而成了对学生的压制。为了改变这种现状,我们提出了栽培式教育的理念。栽培式教育的理论基础有人本主义、建构主义、多元智能理论和素质教育等。     

Neuroanatomy Learning: Augmented Reality vs. Cross-Sections

Neuroanatomy education is a challenging field which could benefit from modern innovations, such as augmented reality (AR) applications. This study investigates the differences on test scores, cognitive load, and motivation after neuroanatomy learning using AR applications or using cross-sections of the brain. Prior to two practical assignments, a pretest (extended matching questions, double-choice questions and a test on cross-sectional anatomy) and a mental rotation test (MRT) were completed. Sex and MRT scores were used to stratify students over the two groups. The two practical assignments were designed to study (1) general brain anatomy and (2) subcortical structures. Subsequently, participants completed a posttest similar to the pretest and a motivational questionnaire. Finally, a focus group interview was conducted to appraise participants’ perceptions. Medical and biomedical students (n = 31); 19 males (61.3%) and 12 females (38.7%), mean age 19.2 ± 1.7 years participated in this experiment. Students who worked with cross-sections (n = 16) showed significantly more improvement on test scores than students who worked with GreyMapp-AR (P = 0.035) (n = 15). Further analysis showed that this difference was primarily caused by significant improvement on the cross-sectional questions. Students in the cross-section group, moreover, experienced a significantly higher germane (P = 0.009) and extraneous cognitive load (P = 0.016) than students in the GreyMapp-AR group. No significant differences were found in motivational scores. To conclude, this study suggests that AR applications can play a role in future anatomy education as an add-on educational tool, especially in learning three-dimensional relations of anatomical structures.