Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 39 for “"chemistry laboratory"”.
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Organic chemistry laboratory
… Institute of Technology, Department of Chemistry, 1881
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Undergraduate students' goals for chemistry laboratory coursework
<p>Chemistry laboratory coursework has the potential to offer many benefits to students, yet few of these learning goals are realized in practice. Therefore, this study seeks to characterize undergraduate students’ learning goals for their chemistry laboratory coursework. Data were collected by …
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Personal Epistemological Growth in a College Chemistry Laboratory Environment
… and NOS beliefs in light of specific science laboratory instructional pedagogical practices (e.g., pre- and post- laboratory activities, laboratory work) for future research. This research employed a mixed methodology, foregrounding qualitative data. The total population consisted of 56 …
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The design and organization of a junior college general chemistry laboratory
<p>Statement of problem. How can a chemistry laboratory in the junior college be designed and organized so that there may be achieved a. maximum of efficiency and minimum of time lost to the student in implementing the scientific method?</p>
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The SmartLab: experimental and environmental control and monitoring of the chemistry laboratory
… laser sources and other hardware within the laboratory. This software will use the same message broker to send and receive messages relating to the devices they are controlling. These tools were used to run a number of SHG experiments studying the air/liquid interface of para-nitrophenol …
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Evidence of Student Learning of Spectrophotometry and Intermolecular Forces in the Chemistry Laboratory
… methods and foundational concepts in the general chemistry laboratory with attention to meaningful learning and mechanistic reasoning. Using these frameworks three laboratory activities explored student perceptions and explanatory reasoning in the context of laboratory learning. The first strand …
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Alternative Laboratory Organization Patterns and Alternative Chemical Procedures in Teaching High School Chemistry Laboratory Work
Made available in DSpace on 2014-12-10T18:47:10Z (GMT). No. of bitstreams: 1 7405653.pdf: 4353331 bytes, checksum: a02114a8e5cab6215709b0c7d2547537 (MD5) Previous issue date: 1973
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The development of appropriate methods for drug analysis at the Forensic Chemistry Laboratory, Cape Town
The Forensic Chemistry Laboratory, Cape Town, analyses samples submitted by forensic pathologists in order to assist with determining the cause of death in cases of unnatural death. Many of these samples test positive for the presence of drugs and other toxic substances. Because of resource …
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Blended learning in chemistry laboratory courses: Enhancing learning outcomes and aligning student needs with available resources
… in a college-level course. The freshman general-chemistry laboratory course at Missouri University of Science and Technology (Missouri S&T) was identified as a bottleneck course with a demand beyond accommodation capacity. To address the bottleneck and develop a sense of learner responsibility, a …
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Effects of a Green Chemistry Laboratory Design on First- Semester General Chemistry Students' Transformative Experiences in Chemistry
… of this study was to understand if a green chemistry laboratory design facilitated students’ transformative experiences in a first-semester general chemistry course for science majors. The study population consisted of 18 college students enrolled in the course at a small, rural, …
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An investigation of the current challenges in the implementation of grade 11 chemistry laboratory work in three selected secondary schools in Eritrea
… challenges in the implementation of Grade 11 chemistry laboratory work in three selected secondary schools in Eritrea. Specifically, the study has attempted to address the following questions: To what extent does Grade 11 chemistry laboratory work in the selected Eritrean secondary schools …
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Extending Students' Practice of Metacognitive Regulation Strategies in the Undergraduate Chemistry Laboratory and Investigation of Pb2+ Binding to Calmodulin with Circular Dichroism and Molecular Dynamics Modeling
… dissertation was composed of two projects in chemistry education and benchwork/computational biochemistry. The chemistry education research explored students' practice of metacognitive strategies while solving open-ended laboratory problems when engaged in an instructional environment, the …
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Investigating the role of commonly misused drugs in suspected unnatural and/or unexplained deaths in Cape Town in 2022
… toxicology results from the National Forensic Chemistry Laboratory were also compared within the cohort. Results: The Forensic Toxicology Unit analysis was requested in 735 cases, with qualitative (n=723, 98.4%) and quantitative (n=108, 14.7%) analyses performed. Drugs were detected in 382 …
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EXPLORING STUDENT EXPERIENCES ACROSS A LINKED SEQUENCE COURSE-BASED UNDERGRADUATE RESEARCH EXPERIENCE
… potentially increase the overall diversity in a laboratory setting. The institution in this study has recently developed a linked-CURE sequence that bridges a lower-division organic chemistry laboratory with an upper-division quantitative analysis laboratory. Focus groups consisting of 3-5 …
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Determination of optimal conditions and kinetic rate parameters in continuous flow systems with dynamic inputs
… and new technologies could revolutionize a chemistry laboratory. Flow chemistry is a technique that contrast with traditional batch chemistry in one aspect as a method that facilitates process automation and in small scales, delivers process improvements such as high heat and mass transfer …
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The development of integrated chemistry-based experiments implications for the teaching of environmental chemistry in the Vietnamese context
A survey of environmental chemistry laboratory experiments in the Journal of Chemical Education (ACS) and Education in Chemistry (RCS) has been carried out from 1969 to the present. The experiments have been categorized as being related to the areas of either air, water or soil. Over the same …
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Microchemical systems for rapid optimization of organic synthesis
In the chemistry laboratory, the desire to use smaller quantities of material to minimize both reagent cost and waste generation has driven chemists to develop new experimental techniques. The current approach to small scale experimentation has mostly been a simple reduction in the size of batch …
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Designing web-based adaptive learning environment : distils as an example
… (DISTILS), has been implemented in a general chemistry laboratory domain. In DISTILS, students interact with the ITT through a Web browser. When a student selects a problem, the problem is formatted and displayed in the user interface for the student to solve. On the other side, the ITT begins …
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Identification and reduction of pre-analytical errors in clinical chemistry through expert advice
Background: Diagnostics in Clinical chemistry laboratory is a pivotal part of clinical decision-making but is not exempt from ‘human errors’. Scientific innovations such as automation and electronic order test requesting have contributed to substantial improvements in the field of laboratory …
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Properties and Applications of Organic/Biodegradable Sorbents (Peat) For Remediation of Hazardous Waste Substances
… premacerals). This involved a visit to the Coal Chemistry Laboratory at Argonne National Lab, where a unique density-gradient centrifugation technique had previously been used to separate coal samples into their maceral components. After much experimentation and significant modification of these …
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