Design and Acceptability of the Aviation Laser Exposure Self-Assessment (ALESA)

Stephanie E. Waggel; Ewan J. Hutchison

doi:10.3357/asem.3435.2013

Chronic Laser Exposure Effects on Rabbit Retina

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100093523 ◽

1972 ◽

Vol 30 ◽

pp. 54-55

Author(s):

Burton B. Silver ◽

Theodore Lawwill

Keyword(s):

Laser Irradiation ◽

Laser Light ◽

Broad Band ◽

Argon Laser ◽

Atropine Sulfate ◽

Ultrastructural Changes ◽

Laser Exposure ◽

Rabbit Retina ◽

Histological Changes ◽

Threshold Doses

Dutch-belted 1 to 2.5 kg anesthetized rabbits were exposed to either xenon or argon laser light administered in a broad band, designed to cover large areas of the retina. For laser exposure, the pupil was dilated with atropine sulfate 1% and pheny lephrine 10%. All of the laser generated power was within a band centered at 5145.0 Anstroms. Established threshold for 4 hour exposures to laser irradiation are in the order of 25-35 microwatts/cm2. Animals examined for ultrastructural changes received 4 hour threshold doses. These animals exhibited ERG, opthalmascopic, and histological changes consistent with threshold damage.One month following exposure the rabbits were killed with pentobarbitol. The eyes were immediately enucleated and dissected while bathed in 3% phosphate buffered gluteraldehyde.

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Fading of the diaminobenzidine reaction product in the confocal scanning laser microscope

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100152707 ◽

1989 ◽

Vol 47 ◽

pp. 146-147

Author(s):

JS Deitch ◽

KL Smith ◽

JW Swann ◽

JN Turner

Keyword(s):

Pyramidal Neurons ◽

Light And Electron Microscopy ◽

Scanning Laser ◽

Laser Exposure ◽

Confocal Scanning Laser Microscope ◽

Fluorescent Markers ◽

Before And After ◽

Staining Protocol ◽

Confocal Scanning ◽

Confocal Scanning Laser

Neurons labeled with horseradish peroxidase and reacted with diaminobenzidine (DAB) can be imaged using a confocal scanning laser microscope (CSLM) in the reflection mode. In contrast to fluorescent markers, the DAB reaction product is thought to be stable and can be observed by both light and electron microscopy. We have investigated the sensitivity of the DAB reaction product to laser irradiation, and present the spectrophotometric properties of DAB before and after exposure in the CSLM.Pyramidal neurons in slices of rat hippocampus were injected with biocytin (a biotin-lysine complex), fixed overnight in 4% paraformaldehyde, and vibratome sectioned at 75 μm. Biocytin was detected with avidin-HRP (1:200) in 0.5% Triton X-100, incubated in DAB (0.5 mg/ml) with or without 0.04% nickel ammonium sulfate (Ni), dehydrated, and imaged in a Bio Rad MRC-500 CSLM with an argon ion laser (488 and 514 nm). Spectrophotometric measurements of the soma were made on a Zeiss microspectrophotometer, as a function of laser exposure (100-1000 scans) and staining protocol.

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Student self-assessment in dental technology

Journal of Dental Education ◽

10.1002/j.0022-0337.1973.37.9.tb00731.x ◽

1973 ◽

Vol 37 (9) ◽

pp. 19-21 ◽

Cited By ~ 4

Author(s):

PR Geissler

Keyword(s):

Self Assessment ◽

Dental Technology

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Outcomes: Promoting Reflective Practice Using Performance Indicator Questionnaires

Perspectives on Administration and Supervision ◽

10.1044/aas20.2.64 ◽

2010 ◽

Vol 20 (2) ◽

pp. 64-70 ◽

Cited By ~ 2

Author(s):

Mary Pat McCarthy

Keyword(s):

Clinical Education ◽

Performance Indicator ◽

Clinical Skills ◽

Self Assessment ◽

Clinical Practicum ◽

Self Reflection ◽

Healthcare Settings ◽

Language Pathology ◽

Traditional Performance ◽

The University

This article details the process of self-reflection applied to the use of traditional performance indicator questionnaires. The study followed eight speech-language pathology graduate students enrolled in clinical practicum in the university, school, and healthcare settings over a period of two semesters. Results indicated when reflection was focused on students' own clinical skills, modifications to practice were implemented. Results further concluded self-assessment using performance indicators paired with written reflections can be a viable form of instruction in clinical education.

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Students Involvement in Multilingual and Multicultural Community Services

Perspectives on Communication Disorders and Sciences in Culturally and Linguistically Diverse Populations ◽

10.1044/cds22.2.77 ◽

2015 ◽

Vol 22 (2) ◽

pp. 77-89 ◽

Cited By ~ 2

Author(s):

Ying-Chiao Tsao

Keyword(s):

Service Learning ◽

Cultural Competence ◽

Linguistically Diverse ◽

Community Services ◽

Cultural Humility ◽

Self Assessment ◽

Multicultural Community ◽

Raising Awareness ◽

Hands On ◽

Teaching Learning

Promoting cultural competence in serving diverse clients has become critically important across disciplines. Yet, progress has been limited in raising awareness and sensitivity. Tervalon and Murray-Garcia (1998) believed that cultural competence can only be truly achieved through critical self-assessment, recognition of limits, and ongoing acquisition of knowledge (known as “cultural humility”). Teaching cultural humility, and the value associated with it remains a challenging task for many educators. Challenges inherent in such instruction stem from lack of resources/known strategies as well as learner and instructor readiness. Kirk (2007) further indicates that providing feedback on one's integrity could be threatening. In current study, both traditional classroom-based teaching pedagogy and hands-on community engagement were reviewed. To bridge a gap between academic teaching/learning and real world situations, the author proposed service learning as a means to teach cultural humility and empower students with confidence in serving clients from culturally/linguistically diverse backgrounds. To provide a class of 51 students with multicultural and multilingual community service experience, the author partnered with the Tzu-Chi Foundation (an international nonprofit organization). In this article, the results, strengths, and limitations of this service learning project are discussed.

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