Bombykal, a Sex Pheromone of the Sphinx Moth Manduca sexta

Abstract The first sex pheromone of a Sphinx moth has been isolated from Manduca sexta (Lepidoptera: Sphingidae) with the aid of an electroantennogram assay. It is attractive to males in a field test where its activity might be augmented by a second component in female extracts. Chemical tests and chromatographic properties identify the pheromone as a C16-aldehyde with a pair of conjugated double bonds. (E , Z)-0,12-hexadecadienal, (“bombykal”) was identical with the natural product. The comparison includes chromatography on three different capillary columns and determination of specific activities in the electroantennogram test.

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Air quality. Determination of the PM10 fraction of suspended particulate matter. Reference method and field test procedure to demonstrate reference equivalence of measurement methods

10.3403/01603131u ◽

2015 ◽

Keyword(s):

Particulate Matter ◽

Air Quality ◽

Field Test ◽

Suspended Particulate Matter ◽

Test Procedure ◽

Reference Method ◽

Measurement Methods ◽

Suspended Particulate

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Petroleum products and fat and oil derivates. Fatty acid methyl esters (FAME) for diesel engines. Determination of polyunsaturated (≥ 4 double bonds) fatty acid methyl esters (PUFA) by gas chromatography

10.3403/30176796 ◽

2009 ◽

Keyword(s):

Gas Chromatography ◽

Fatty Acid ◽

Diesel Engines ◽

Fatty Acid Methyl Esters ◽

Methyl Esters ◽

Petroleum Products ◽

Double Bonds ◽

Acid Methyl

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Scale Evaluation and Eligibility Determination of a Field-Test Version of the Assessment, Evaluation, and Programming System Third Edition

Topics in Early Childhood Special Education ◽

10.1177/0271121420981712 ◽

2021 ◽

pp. 027112142098171

Author(s):

Michael D. Toland ◽

Jennifer Grisham ◽

Misti Waddell ◽

Rebecca Crawford ◽

David M. Dueber

Keyword(s):

Field Test ◽

Programming System ◽

Eligibility Determination ◽

Fit Statistics ◽

Reliability Estimates ◽

Test Version ◽

Acceptable Model ◽

Cutoff Scores ◽

Area Classification

Rasch and classification analyses on a field-test version of the Assessment, Evaluation, and Programming System Test—Third Edition (AEPS-3), a curriculum-based assessment used to assess young children birth to age 6 years, were conducted. First, an evaluation of the psychometric properties of data from each developmental area of an AEPS-3 field-test version was conducted. Next, cutoff scores at 6-month age intervals were created and then the validity of the cutoff scores was evaluated. Results using Rasch modeling indicated acceptable model fit statistics with reasonable reliability estimates within each developmental area. Classification results showed cutoff scores accurately classified a high percentage of eligible children. Findings suggest that scores from a field-test version of the AEPS-3 are reliable within developmental areas. To the extent allowed by state criteria, early childhood interventionists could possibly use a new field-test version of the AEPS-3 to determine or corroborate eligibility for special education services.

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