Navigation Links
Using high-precision laser tweezers to juggle cells
Date:5/15/2009

Researchers at the University of Gothenburg, Sweden, have developed a new method to study single cells while exposing them to controlled environmental changes. The unique method, where a set of laser tweezers move the cell around in a microscopic channel system, allows the researchers to study how single cells react to stress induced by a constantly changing environment.

Studies on how cells react to changes in their environment, such as reduced availability of nutrients, have traditionally used cultures consisting of millions of cells. While such studies show how cells on average react to a new environment, they say nothing about individual variation, for example how quickly a single cell responds.

PhD Emma Eriksson and her colleagues at the Department of Physics, University of Gothenburg, Sweden, developed a method where laser tweezers are used to catch a cell the size of about one micrometer, or 0.001 of a mm, and then move the cell between different environments.

Placing the cell in a system of channels made of silicone, in which each channel is finer than a human hair, enables the researchers to add and remove substances so that the environment surrounding a single cell changes in a split second - while at the same time watching the reactions through a microscope.

The channels in the so-called microfluidic system can be likened to tiny water pipes. In a channel, a single cell can be exposed to tests and various substances for very exact time periods, which enables the researchers to repeatedly add and remove a substance to see how it affects the behaviour of the cell. This new method gives researchers information that would not be possible to obtain with traditional methods.

In its first stage, the new method has been tested on yeast cells. One of the cells' proteins was tagged with a green fluorescent protein (GFP), enabling researchers to trace the movements of the protein within the cell while it adjusts to
'/>"/>

Contact: Krister Svahn
krister.svahn@science.gu.se
46-031-786-4912
University of Gothenburg
Source:Eurekalert  

Page: 1 2

Related biology news :

1. Consumers more likely to identify healthy food using traffic light nutrition labels
2. Using combinatorial libraries to engineer genetic circuits advances synthetic biology
3. K-State using Second Life island to help high school students learn earth science
4. Caltech scientists control complex nucleation processes using DNA origami seeds
5. VeriLook Surveillance SDK Provides Real-Time Face Identification Using Video Surveillance Cameras
6. VeriLook Surveillance SDK Provides Real-Time Face Identification Using Video Surveillance Cameras
7. Using hair to manage HIV/AIDS and predict treatment success
8. Milestone achieved toward production of malaria treatment using synthetic biology and fermentation
9. MIT: Using touch to help deaf people
10. Dana-Farber oncologists present at ASCO GU -- predict prostate cancer survival using Source MDx test
11. Biological control of tropical weeds using arthropods
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Using high-precision laser tweezers to juggle cells
(Date:8/5/2015)... , Aug. 5, 2015 The biosensors market ... in applications, penetration into newer sectors, and development of ... global biosensors space has seen the entry of multiple ... so far. (Photo - http://photos.prnewswire.com/prnh/20150805/255570 ) ... Analysis of the Global Biosensors Market ( ...
(Date:8/3/2015)... , Aug. 3, 2015 Synaptics, Inc. ... interface solutions, today announced that members of the executive ... the Pacific Crest Global Technology Leadership Forum on Tuesday, ... conference will be held at the Sonnenalp Resort in ... The presentation may include forward-looking information. An audio webcast ...
(Date:7/31/2015)... , 31 de julho de 2015 A ... www.icg-10.org ) será realizada pela BGI de 22-25 de outubro ... A conferência está celebrando seu 10 o. ... a ICG se tornou uma das reuniões mais influentes ... encontros científicos mais dinâmicos, entusiastas e prazerosos. ...
Breaking Biology News(10 mins):Innovative Biosensors Incite Use in Non-Traditional Applications 2Innovative Biosensors Incite Use in Non-Traditional Applications 3Innovative Biosensors Incite Use in Non-Traditional Applications 4A 10a. Conferência Internacional sobre Genômica (ICG-10) será em outubro 2A 10a. Conferência Internacional sobre Genômica (ICG-10) será em outubro 3
... researchers at the University of California, Davis, have demonstrated that ... in rocks, boosting the trees, growth and their ability to ... carbon dioxide is the most important climate-change gas, the nitrogen ... warm in the future, the researchers say. They report their ...
... LA JOLLA, CA September 1, 2011 Examining ... deprived of oxygen, researchers at The Scripps Research Institute have ... to the specific action of a naturally occurring fatty molecule ... young brain cells. This observation made in mice suggests ...
... of breast cancer dropped significantly in mice when their regular ... report in the journal Nutrition and Cancer . ... C. Edwards School of Medicine, compared the effects of a ... through the mother from conception through weaning, and then through ...
Cached Biology News:Bedrock nitrogen may help forests buffer climate change, study finds 2Bedrock nitrogen may help forests buffer climate change, study finds 3Discovery suggests way to block fetal brain damage produced by oxygen deprivation 2Discovery suggests way to block fetal brain damage produced by oxygen deprivation 3Breast cancer risk drops when diet includes walnuts, Marshall researchers find 2
(Date:8/28/2015)... ... 2015 , ... Proove Biosciences , a commercial and ... Intervention Society’ s 23rd Annual Scientific Meeting (ASM). The ASM event took ... on evidence-based research and clinical application, the event gathered industry thought leaders to ...
(Date:8/27/2015)... CA (PRWEB) , ... August 27, 2015 , ... ... unique opportunity for venture capital funds, investment firms and animal health companies to ... Forum have raised $160 million. Several have also received licensing agreements or distribution ...
(Date:8/27/2015)... Calif. , Aug. 27, 2015  Asterias Biotherapeutics, ... the emerging field of regenerative medicine, today announced that ... conferences in the month of September.  ... present at Rodman & Renshaw,s 17th Annual Global Investment ... PT at the St. Regis Hotel in ...
(Date:8/27/2015)... ... August 27, 2015 , ... METTLER TOLEDO's web-based ... the product choices to a manageable shortlist of bench and floor scales and ... that fit best with the customer’s industry and application. , Side-by-side product ...
Breaking Biology Technology:Proove Biosciences Presents New Research Study at the International Spine Intervention Society’s Annual Scientific Meeting 2Proove Biosciences Presents New Research Study at the International Spine Intervention Society’s Annual Scientific Meeting 3Proove Biosciences Presents New Research Study at the International Spine Intervention Society’s Annual Scientific Meeting 4VetStem Biopharma, Inc. Among Seventeen Companies Selected to Present at the KC Animal Health Investment Forum on September 1st 2015 2VetStem Biopharma, Inc. Among Seventeen Companies Selected to Present at the KC Animal Health Investment Forum on September 1st 2015 3Asterias Biotherapeutics to Present at Upcoming Investor Conferences 2METTLER TOLEDO Updates Online Scale Selection Tool 2
... 10 /PRNewswire-FirstCall/ - Mr. Pierre,Fitzgibbon, President and Chief ... "Company", TSX: ATB) today announced changes to the,management ... by Mr.,Richard Bordeleau, President of the Health & ... pursue news challenges. However, Mr. Bordeleau,will continue to ...
... Audio Webcast Tuesday, September 11, 2007, SAN DIEGO, ... announced today that Neurocrine Biosciences will,present at the Bear ... 11, 2007 at 10:30 a.m. Eastern Time (ET),/7:30 a.m. ... may be accessed on the Company,s website at, http://www.neurocrine.com ...
... the Treatment of Opioid ... ... (Nasdaq: NKTR ) presented results today at the American ... 1 trial of NKTR-118 (oral PEG-naloxol). NKTR-118 is Nektar,s,proprietary investigational ...
Cached Biology Technology:Atrium Innovations Announces Management Changes 2Nektar Presents Positive Results from Phase 1 Clinical Trial of NKTR-118 (oral PEG-naloxol) at American College of Clinical Pharmacology Meeting 2Nektar Presents Positive Results from Phase 1 Clinical Trial of NKTR-118 (oral PEG-naloxol) at American College of Clinical Pharmacology Meeting 3Nektar Presents Positive Results from Phase 1 Clinical Trial of NKTR-118 (oral PEG-naloxol) at American College of Clinical Pharmacology Meeting 4Nektar Presents Positive Results from Phase 1 Clinical Trial of NKTR-118 (oral PEG-naloxol) at American College of Clinical Pharmacology Meeting 5
Carbonate-Bicarbonate Buffer Capsules. For use in coating ELISA plates. Dissolve contents of 1 capsule in 100 ml deionized water to yield 0.05 M carbonate-bicarbonate buffer, pH 9.6....
... Mouse Monoclonal to L1 Cell Adhesion Molecule ... is located in Xq28, is involved in ... the aqueduct of Sylvius); 2) MASA (mental ... 3) SPG1 (spastic paraplegia). Immunogen: ...
...
Immunogen: C terminus [VQLKRSKNDSKPYC] of cardiac elav-type RNA-binding protein (ETR-3) Storage: -20 C, Avoid Freeze/Thaw Cycles...
Biology Products: