Algae Technique

Dr. Arlene Wechezak

2012

Anacortes, Washington, USA

Specimen: Red algae Scagelia, showing reproductive tetraspores and golden diatoms.

Technique: Darkfield

Dr. Igor Siwanowicz

2013

HHMI Janelia Farm Research Campus

Ashburn, Virginia, United States

Specimen: Single-cell fresh water algae (desmids). Composite image including, concentric from the outside: Micrasterias rotata, Micrasterias sp., M. furcata, M. americana, 2x M. truncata, Euastrum sp. and Cosmarium sp.

Technique: Confocal imaging, 400x

Dr. Jeremy Pickett-Heaps

2009

Mallacoota, Australia

Specimen: Sexual Attraction in Spirogyra

Technique: Brightfield

Dr. Stephen S. Nagy

2008

Helena, MT, USA

Specimen: Actinoptychus heliopelta

Technique: Jamin-Lebedeff Interference Contrast

Mr. Wolfgang Bettighofer

2010

Kiel, Germany

Specimen: Licmophora juergensii on red alga

Technique: Differential interference contrast

Mr. Charles Krebs

2009

Issaquah, WA, USA

Specimen: Haematococcus pluvialis (Unicellular Algae)

Technique: Phase contrast

Mr. Rogelio Moreno Gill

2012

Biomarcell Station Zoologique

Panama City, Panama

Specimen: Unicellular green alga Micrasterias from lake sample. 22 stacked images.

Technique: Differential interference contrast

Dr. David Domozych

2009

Skidmore College, Department of Biology

Saratoga Springs, NY, USA

Specimen: Penium

Technique: Confocal

Dr. Jerzy Gubernator

2010

Faculty of Biotechnology, University of Wroclaw

Wroclaw, Poland

Specimen: Spirogyra

Technique: Brightfield

Mr. Spike Walker

2005

Penkridge, United Kingdom

Specimen: Gloeotrichia

Technique: Darkfield Illumination

Mr. Wim van Egmond

2006

Rotterdam, Netherlands

Specimen: Golden Algae Colony

Technique: Differential Interference Contrast

Mr. Michael Dingley

2004

Hazelbrook, Australia

Specimen: Micrasterias, each one-celled Desmid consists of two half cells that are mirror images of one another

Technique: Brightfield, 50x Objective

Mr. Wim van Egmond

2004

Rotterdam, The Netherlands

Specimen: Living Volvox colony (green algae)

Technique: Differential interference contrast, 100x Objective

Mr. Wolfgang Bettighofer

2011

Kiel, Germany

Specimen: Living diatom Mediopyxis helysia, showing the cell nuclei and golden chloroplasts.

Technique: Brightfield

Mr. Gerd A. Günther

2011

Duesseldorf, NRW, Germany

Specimen: Spherical colonies of Nostoc commune, a bluegreen algae

Technique: Darkfield illumination

Dr. Petr Znachor

2008

Institute of Hydrobiology

Ceske Budejovice, Czech Republic

Specimen: "Star-like" Colonial Diatom

Technique: Fluorescence

Dr. David Domozych

2005

Department of Biology, Skidmore Microscopy Imaging Center, Skidmore College

Saratoga Springs, NY, USA

Specimen: Green Alga

Technique: Confocal