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1

Stereoselective Synthesis of Stable Isotope Labeled L-α-Amino Acids: Synthesis of L−[4−13C] and L−[3,4−13C2]Aspartic Acid

Siegfried N. Lodwig, Clifford J. Unkefer

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

1992

Language:

english

File:

PDF, 542 KB

english, 1992

2

Synthesis of 1-chloro-1-[15N]nitrosocyclohexane, an electrophilic aminating reagent

Siegfried N. Lodwig, Louis A. Silks III, Clifford J. Unkefer

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

1996

Language:

english

File:

PDF, 331 KB

english, 1996

3

Stereoselective synthesis of stable isotope-labeled L-α-amino acids: Electrophilic amination of Oppolzer's acyl sultams in the synthesis of L-[15N]alanine, L-[15N]valine, L-[15N]leucine, L-[15N]phenylalanine and L-[1-13C, 15N]valine

Siegfried N. Lodwig, Clifford J. Unkefer

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

1996

Language:

english

File:

PDF, 475 KB

english, 1996

4

Stereoselective synthesis of stable isotope-labeled L-α-amino acids: enantioselective synthesis of 13C-, 15N-labeled L-proline using Oppolzer's glycine template

Siegfried N. Lodwig, Clifford J. Unkefer

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

1998

File:

PDF, 544 KB

1998

5

The CFTA Method: A Reliable Procedure for the Determination of the Absolute Configuration of Chiral Primary Amines by 1H NMR Spectroscopic Analysis

Yoshio Takeuchi, Masaru Segawa, Hidehito Fujisawa, Kenji Omata, Siegfried N. Lodwig, Clifford J. Unkefer

Journal:

Angewandte Chemie

Year:

2006

Language:

english

File:

PDF, 146 KB

english, 2006

6

The CFTA Method: A Reliable Procedure for the Determination of the Absolute Configuration of Chiral Primary Amines by 1H NMR Spectroscopic Analysis

Yoshio Takeuchi, Masaru Segawa, Hidehito Fujisawa, Kenji Omata, Siegfried N. Lodwig, Clifford J. Unkefer

Journal:

Angewandte Chemie International Edition

Year:

2006

Language:

english

File:

PDF, 146 KB

english, 2006

7

Stereoselective synthesis of stable isotope-labeled L-α-amino acids: Chemomicrobiological synthesis of L-[β-13C]-, L-[2′-13C]-, and L-[1′15N]tryptophan

Clifford J. Unkefer, Siegfried N. Lodwig, Louis A. Silks III, John L. Hanners, Deborah S. Ehler, Rowena Gibson

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

1991

Language:

english

File:

PDF, 494 KB

english, 1991

8

Reliable assignment of absolute configuration of chiral amines based on the analysis of 1H NMR spectra of their CFTA amide diastereomers

Tomoya Fujiwara, Masaru Segawa, Hidehito Fujisawa, Taiki Murai, Tamiko Takahashi, Kenji Omata, Kuninobu Kabuto, Siegfried N. Lodwig, Clifford J. Unkefer, Yoshio Takeuchi

Journal:

Tetrahedron: Asymmetry

Year:

2008

Language:

english

File:

PDF, 388 KB

english, 2008

9

Trophic relations ofCrangon franciscorumStimpson andPalaemon macrodactylusRathbum: predation on the opossum shrimp,Neomysis mercedisHolmes

Clifford A. Siegfried

Journal:

Year:

1982

Language:

english

File:

PDF, 823 KB

english, 1982

10

Acidity status and phytoplankton species richness, standing crop, and community composition in Adirondack, New York, U.S.A. lakes

Clifford A. Siegfried, Jay A. Bloomfield, James W. Sutherland

Journal:

Year:

1989

Language:

english

File:

PDF, 1.40 MB

english, 1989

11

Planktonic rotifer community structure in Adirondack, New York, U.S.A. lakes in relation to acidity, trophic status and related water quality characteristics

Clifford A. Siegfried, Jay A. Bloomfield, James W. Sutherland

Journal:

Year:

1989

Language:

english

File:

PDF, 1.29 MB

english, 1989

12

Life history, population dynamics and production ofPontoporeia hoyi(Crustacea, Amphipoda) in relation to the trophic gradient of Lake George, New York

Clifford A. Siegfried

Journal:

Year:

1985

Language:

english

File:

PDF, 453 KB

english, 1985

13

PHOSPHORUS LOADING TO A MOUNTAIN RESERVOIR IN SOUTHERN CALIFORNIA

Clifford A. Siegfried

Journal:

JAWRA Journal of the American Water Resources Association

Year:

1982

Language:

english

File:

PDF, 725 KB

english, 1982

14

WATER QUALITY IMPACTS AND INDICATORS OF METABOLIC ACTIVITY OF THE ZEBRA MUSSEL INVASION OF THE SENECA RIVER

Steven W. Effler, David A. Matthews, Carol M. Brooks-Matthews, Mary Gail Perkins, Clifford A. Siegfried, James M. Hassett

Journal:

JAWRA Journal of the American Water Resources Association

Year:

2004

Language:

english

File:

PDF, 302 KB

english, 2004

15

The Benthos of a Portion of the Sacramento River (San Francisco Bay Estuary) during a Dry Year

Clifford A. Siegfried, Mark E. Kopache and Allen W. Knight

Journal:

Estuaries and Coasts

Year:

1980

Language:

english

File:

PDF, 1.14 MB

english, 1980

16

Large-bodied Crustacea and rainbow smelt in Lake George, New York: trophic interactions and phytoplankton community composition

Siegfried, Clifford A.

Journal:

Journal of Plankton Research

Year:

1987

Language:

english

File:

PDF, 626 KB

english, 1987

17

Tributary Water Quality Feedback from the Spread of Zebra Mussels: Oswego River, New York

Steven W. Effler, Clifford Siegfried

Journal:

Journal of Great Lakes Research

Year:

1998

Language:

english

File:

PDF, 1.50 MB

english, 1998

18

Aquastella gen. nov.: A new genus of saprolegniaceous oomycete rotifer parasites related to Aphanomyces, with unique sporangial outgrowths

Molloy, Daniel P., Glockling, Sally L., Siegfried, Clifford A., Beakes, Gordon W., James, Timothy Y., Mastitsky, Sergey E., Wurdak, Elizabeth, Giamberini, Laure, Gaylo, Michael J., Nemeth, Michael J.

Journal:

Year:

2014

Language:

english

File:

PDF, 4.37 MB

english, 2014

19

LAKE ACIDIFICATION AND THE BIOLOGY OF ADIRONDACK LAKES: CRUSTACEAN ZOOPLANKTON COMMUNITIES

Sutherland, James W., Quinn, Scott O., Bloomfield, Jay A., Siegfried, Clifford A.

Journal:

Lake and Reservoir Management

Year:

1984

Language:

english

File:

PDF, 493 KB

english, 1984

20

Dynamics of Zebra Mussel Oxygen Demand in Seneca River, New York †

Effler, Steven W., Boone, Stephen R., Siegfried, Clifford, Ashby, Steven L.

Journal:

Environmental Science & Technology

Year:

1998

Language:

english

File:

PDF, 90 KB

english, 1998

21

Determination of Lysine pK Values Using [5- 13 C]Lysine: Application to the Lyase Domain of DNA Pol β

Gao, Guanghua, Prasad, Rajendra, Lodwig, Siegfried N., Unkefer, Clifford J., Beard, William A., Wilson, Samuel H., London, Robert E.

Journal:

Journal of the American Chemical Society

Year:

2006

Language:

english

File:

PDF, 72 KB

english, 2006

22

Zebra Mussel (Dreissena polymorpha) Populations in the Seneca River, New York: Impact on Oxygen Resources

Effler, Steven W., Siegfried, Clifford.

Journal:

Environmental Science & Technology

Year:

1994

Language:

english

File:

PDF, 722 KB

english, 1994

23

SURFACE RUNOFF WATER QUALITY FROM DEVELOPED AREAS SURROUNDING A RECREATIONAL LAKE

Bloomfield, Jay A., Sutherland, James W., Swart, James, Siegfried, Clifford

Journal:

Lake and Reservoir Management

Year:

1984

Language:

english

File:

PDF, 747 KB

english, 1984

24

Large-scale preparation of 13 C-labeled 2-(phenylthio)acetic acid and the corresponding labeled sulfoxides and sulfones

Martinez, Rodolfo A., Glass, David R., Ortiz, Erick G., Alvarez, Marc A., Juarez, Ernesto, Lodwig, Siegfried N., Unkefer, Clifford J.

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

2013

Language:

english

File:

PDF, 284 KB

english, 2013

25

PLANKTON COMMUNITY RESPONSE TO THE CHEMICAL NEUTRALIZATION OF THREE ACIDIFIED WATERS IN THE ADIRONDACK MOUNTAIN REGION OF NEW YORK STATE

Siegfried, Clifford A., Sutherland, J. W., Quinn, S. O.

Journal:

Lake and Reservoir Management

Year:

1987

Language:

english

File:

PDF, 535 KB

english, 1987

26

ACIDIFICATION, VERTEBRATE AND INVERTEBRATE PREDATORS, AND THE STRUCTURE OF ZOOPLANKTON COMMUNITIES IN ADIRONDACK LAKES

Siegfried, Clifford A., Bloomfield, J. A., Sutherland, J. W.

Journal:

Lake and Reservoir Management

Year:

1987

Language:

english

File:

PDF, 562 KB

english, 1987

27

Empirical Prediction of Zooplankton Biomass in Adirondack Lakes

Siegfried, Clifford A., Sutherland, James W.

Journal:

Lake and Reservoir Management

Year:

1989

Language:

english

File:

PDF, 617 KB

english, 1989

28

Zooplankton Communities of Adirondack Lakes: Changes in Community Structure Associated with Acidification

Siegfried, Clifford A., Sutherland, James W.

Journal:

Journal of Freshwater Ecology

Year:

1992

Language:

english

File:

PDF, 846 KB

english, 1992

29

The Distribution and Abundance of Neomysis mercedis in Relation to the Entrapment Zone in the Western Sacramento-San Joaquin Delta

Siegfried, Clifford A., Kopache, Mark E., Knight, Allen W.

Journal:

Transactions of the American Fisheries Society

Year:

1979

Language:

english

File:

PDF, 555 KB

english, 1979

30

Prey Selection by a Setipalpian Stonefly Nymph, Acroneuria (Calineuria) Californica Banks (Plecoptera:Perildae)

Clifford A. Siegfried and Allen W. Knight

Journal:

Year:

1976

Language:

english

File:

PDF, 1.01 MB

english, 1976

31

The Effects of Washout in a Sierra Foothill Stream

Clifford A. Siegfried and Allen W. Knight

Journal:

American Midland Naturalist

Year:

1977

Language:

english

File:

PDF, 734 KB

english, 1977

32

Feeding of Neomysis mercedis (Holmes)

Clifford A. Siegfried and Mark E. Kopache

Journal:

Biological Bulletin

Year:

1980

Language:

english

File:

PDF, 546 KB

english, 1980

33

Changes in the Zooplankton of Onondaga Lake: Causes and Implications

Siegfried, Clifford, Auer, Nancy A., Effler, Steven W.

Journal:

Lake and Reservoir Management

Year:

1996

Language:

english

File:

PDF, 1.20 MB

english, 1996

34

Impact of zebra mussel invasion on river water quality

Effler, Steven W., Brooks, Carol M., Whitehead, Keith, Wagner, Bruce, Doerr, Susan M., Perkins, MaryGail, Siegfried, Clifford A., Walrath, Leigh, Canale, Raymond P.

Journal:

Water Environment Research

Year:

1996

Language:

english

File:

PDF, 1.44 MB

english, 1996

35

Phytoplankton Ecology

Review by: Clifford A. Siegfried

Journal:

Year:

1987

Language:

english

File:

PDF, 161 KB

english, 1987

36

Seasonal Abundance and Distribution of Crangon franciscorum and Palaemon macrodactylus (Decapoda, Caridea) in the San Francisco Bay-Delta

Clifford A. Siegfried

Journal:

Biological Bulletin

Year:

1980

Language:

english

File:

PDF, 674 KB

english, 1980

37

Planktonic Indicators of Lake Acidification in the Adirondack Mountain Region of New York State

Siegfried, Clifford A.

Journal:

Lake and Reservoir Management

Year:

1988

Language:

english

File:

PDF, 774 KB

english, 1988

38

Chemical–biological characterization of a cruzain inhibitor reveals a second target and a mammalian off-target

Choy, Jonathan W, Bryant, Clifford, Calvet, Claudia M, Doyle, Patricia S, Gunatilleke, Shamila S, Leung, Siegfried S F, Ang, Kenny K H, Chen, Steven, Gut, Jiri, Oses-Prieto, Juan A, Johnston, Jonathan

Journal:

Beilstein Journal of Organic Chemistry

Year:

2013

Language:

english

File:

PDF, 2.45 MB

english, 2013

39

The dynamics of Chaoborus americanus in an Adirondack lake following the reintroduction of fish

Farrell, Jeremy L., Siegfried, Clifford A., Daniels, Robert A., Sutherland, James W., Boylen, Charles W., Bloomfield, Jay A., Quinn, Scott O., Nierzwicki-Bauer, Sandra A.

Journal:

Limnologica - Ecology and Management of Inland Waters

Year:

2017

Language:

english

File:

PDF, 1.56 MB

english, 2017