File:A notebook page signed by Dorothy Fennell Alexander.jpg

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English

A notebook page signed by Dorothy Fennell Alexander

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Description	English: A notebook page signed by Dorothy Fennell Alexander, an NRRL“penicillin survey” team member who worked to identify Penicillium mold strains that produced high amounts of penicillin under submerged culture conditions used by pharmaceutical companies. The circled strain, PS46 (later known as NRRL 1951), was the top performer and became the “mother” of all strains used commercially.
Date	6 March 2020, 04:27:22
Source	https://www.ars.usda.gov/oc/images/photos/dec21/d4749-1/
Author	United States Department of Agriculture

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This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	02:15, 12 February 2023		495 × 640 (396 KB)	Hawkeye7 (talk \| contribs)	Uploaded a work by United States Department of Agriculture from https://www.ars.usda.gov/oc/images/photos/dec21/d4749-1/ with UploadWizard

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- History of penicillin

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Author	USDA ARS NCAUR
Copyright holder	Public Domain
Credit/Provider	USDA
Headline	A notebook page signed by Dorothy Fennell Alexander, an NRRL “penicillin survey” team member who worked to identify Penicillium mold strains that produced high amounts of penicillin under submerged culture conditions used by pharmaceutical companies. The circled strain, PS46 (later known as NRRL 1951), was the top performer and became the “parent” of all strains used commercially. Peoria, IL. D4749-1
Image title	A notebook page signed by Dorothy Fennell Alexander, an NRRL“penicillin survey” team member who worked to identify Penicillium mold strains that produced high amounts of penicillin under submerged culture conditions used by pharmaceutical companies. The circled strain, PS46 (later known as NRRL 1951), was the top performer and became the “parent” ofall strains used commercially. Peoria, IL. D4749-1
Usage terms	Public Domain
City shown	Peoria
Width	850 px
Height	1,100 px
Bits per component	8 8 8
Compression scheme	Uncompressed
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS6 (Windows)
File change date and time	12:45, 1 December 2021
Exif version	2.21
Color space	sRGB
Date and time of digitizing	04:27, 6 March 2020
Date metadata was last modified	07:45, 1 December 2021
Writer	Peggy Greb
Unique ID of original document	xmp.did:360bb8c6-051b-4015-914d-0591dfe56480
Copyright status	Copyright status not set
Keywords	notebook page penicillin survey Peoria d4749-1
Contact information	photounit@usda.gov https://www.ars.usda.gov/ 1815 N University Street Peoria, IL, 61604 USA
Province or state shown	IL
Country shown	USA
Sublocation of city shown	NCAUR
IIM version	4

File:A notebook page signed by Dorothy Fennell Alexander.jpg

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