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  • Anaerobes. Where to Start?
    are cultivating whilst aerotolerant organisms and facultative anaerobes will not be harmed by a small amount of oxygen obligate anaerobes require a completely oxygen free environment We have recently produced a useful reference guide An Introduction to Clinical Anaerobic Bacteriology which enables the reader to isolate and identify 12 commonly occurring and clinically important anaerobic bacteria What are my options for creating an anaerobic environment Whitley Jar Gassing System There are several options available ranging in size sophistication and cost If you are only processing a very small quantity of samples then an anaerobic jar may be sufficient for your needs Our jars come in two sizes 3L or 10L and will accommodate 10 and 48 plates respectively Constructed from stainless steel they can be used with either gas generating envelopes cylinders of anaerobic gas mixture or the Whitley Jar Gassing System In the long term however the Whitley Jar Gassing System provides a more cost effective alternative This system will enable you to create perfect conditions for growing anaerobes in just 2 minutes for less than 18 pence and for microaerophiles in 15 seconds for less than 3 pence compared with about 1 60 for every gas generating kit used Whitley A35 Anaerobic Workstation If your throughput is larger you may require the capacity which an anaerobic workstation can offer Our anaerobic range contains something to suit every laboratory with provision for containing maximums of between 600 and 1400 Petri dishes A workstation allows you to control temperature and humidity and also to run more than one experiment at a time using the airlock ensures that the conditions remain unaltered while samples are added or removed Why should I choose Don Whitley Scientific We have nearly 40 years experience in this industry and since the beginning we have striven for excellence in both our products and our customer service Don Whitley Scientific Mobile Demonstration Unit We have an expert sales team one of whom can come and provide you with a demonstration or simply discuss your requirements and options We also invite prospective customers to visit our head office to see how we operate and observe the quality of our work We have the benefit of an in house laboratory where our products are tested and used by working microbiologists on a daily basis meaning that we are constantly learning how to tailor our equipment to better meet the user s needs We deliver comprehensive training on all our products and provide technical support after installation In the event of a fault one of our service engineers will contact you and if the problem cannot be solved remotely he will usually be on site within 24 hours Leave a Reply Click here to cancel reply You must be logged in to post a comment Search the Blog Search for Search Categories Anaerobic Australia Case Study Exhibitions Germany Hypoxystations News Overseas Exhibitions Press Releases Useful Links Recent Posts Liverpool Mini Exhibition A crucial update for Dr Rob Fagan at The

    Original URL path: http://www.dwscientific.co.uk/blog/anaerobes-where-to-start/ (2016-02-11)
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  • Tag Archive for "anaerobic environment" -
    No Comments Tags A35 workstation A45 Workstation A55 Workstation A95 Anaerobic Cabinet Anaerobic Bacteriology anaerobic chamber anaerobic environment anaerobic jars Anaerobic Microbiology Anaerobic Workstation Clinical Microbiology Guide DWS Service Identifying Clinical Anaerobes incubation petri dishes temperature monitoring Whitley A35 Whitley Jar Gassing System WJGS Introduction to Clinical Anaerobic Bacteriology To a newcomer the field of anaerobic research can seem intimidatingly vast With so many varieties of anaerobes and differing means of culturing them you may find yourself wondering whether the method you are using is really the most efficient and cost effective The first thing you need to consider is the type of anaerobe you are cultivating whilst aerotolerant organisms and facultative anaerobes will not be harmed by a small amount of oxygen obligate anaerobes require a completely oxygen free environment We have recently produced a useful reference guide An Introduction to Clinical Anaerobic Bacteriology which enables the reader to isolate and identify 12 commonly occurring and clinically important anaerobic bacteria Read more Tweet Search the Blog Search for Search Categories Anaerobic Australia Case Study Exhibitions Germany Hypoxystations News Overseas Exhibitions Press Releases Useful Links Recent Posts Liverpool Mini Exhibition A crucial update for Dr Rob Fagan at The University of Sheffield Don Whitley Scientific visit Arab Health 2016 Hypoxic Microenvironments Cell Press Nucleus Visit HypOxygen at the AACR Meeting in San Diego Archives February 2016 January 2016 December 2015 November 2015 October 2015 September 2015 August 2015 July 2015 June 2015 May 2015 April 2015 March 2015 February 2015 January 2015 December 2014 November 2014 October 2014 September 2014 August 2014 July 2014 June 2014 May 2014 April 2014 March 2014 January 2014 December 2013 November 2013 October 2013 September 2013 August 2013 July 2013 June 2013 May 2013 April 2013 March 2013 February 2013 January 2013 December 2012

    Original URL path: http://www.dwscientific.co.uk/blog/tag/anaerobic-environment/ (2016-02-11)
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  • Tag Archive for "petri dishes" -
    DWS Service Identifying Clinical Anaerobes incubation petri dishes temperature monitoring Whitley A35 Whitley Jar Gassing System WJGS Introduction to Clinical Anaerobic Bacteriology To a newcomer the field of anaerobic research can seem intimidatingly vast With so many varieties of anaerobes and differing means of culturing them you may find yourself wondering whether the method you are using is really the most efficient and cost effective The first thing you need to consider is the type of anaerobe you are cultivating whilst aerotolerant organisms and facultative anaerobes will not be harmed by a small amount of oxygen obligate anaerobes require a completely oxygen free environment We have recently produced a useful reference guide An Introduction to Clinical Anaerobic Bacteriology which enables the reader to isolate and identify 12 commonly occurring and clinically important anaerobic bacteria Read more Tweet Want to photograph Petri dishes during incubation Well now you can Posted on June 6th 2012 by admin Categories Exhibitions News No Comments Tags incubation petri dishes whitley petrifoto system New Whitley Petrifoto System http www dwscientific co uk petrifoto php Call 01274 595728 to order or email sales dwscientific co uk Tweet Search the Blog Search for Search Categories Anaerobic Australia Case Study Exhibitions Germany Hypoxystations News Overseas Exhibitions Press Releases Useful Links Recent Posts Liverpool Mini Exhibition A crucial update for Dr Rob Fagan at The University of Sheffield Don Whitley Scientific visit Arab Health 2016 Hypoxic Microenvironments Cell Press Nucleus Visit HypOxygen at the AACR Meeting in San Diego Archives February 2016 January 2016 December 2015 November 2015 October 2015 September 2015 August 2015 July 2015 June 2015 May 2015 April 2015 March 2015 February 2015 January 2015 December 2014 November 2014 October 2014 September 2014 August 2014 July 2014 June 2014 May 2014 April 2014 March 2014 January 2014

    Original URL path: http://www.dwscientific.co.uk/blog/tag/petri-dishes/ (2016-02-11)
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  • Tag Archive for "WJGS" -
    Comments Tags A35 workstation A45 Workstation A55 Workstation A95 Anaerobic Cabinet Anaerobic Bacteriology anaerobic chamber anaerobic environment anaerobic jars Anaerobic Microbiology Anaerobic Workstation Clinical Microbiology Guide DWS Service Identifying Clinical Anaerobes incubation petri dishes temperature monitoring Whitley A35 Whitley Jar Gassing System WJGS Introduction to Clinical Anaerobic Bacteriology To a newcomer the field of anaerobic research can seem intimidatingly vast With so many varieties of anaerobes and differing means of culturing them you may find yourself wondering whether the method you are using is really the most efficient and cost effective The first thing you need to consider is the type of anaerobe you are cultivating whilst aerotolerant organisms and facultative anaerobes will not be harmed by a small amount of oxygen obligate anaerobes require a completely oxygen free environment We have recently produced a useful reference guide An Introduction to Clinical Anaerobic Bacteriology which enables the reader to isolate and identify 12 commonly occurring and clinically important anaerobic bacteria Read more Tweet Search the Blog Search for Search Categories Anaerobic Australia Case Study Exhibitions Germany Hypoxystations News Overseas Exhibitions Press Releases Useful Links Recent Posts Liverpool Mini Exhibition A crucial update for Dr Rob Fagan at The University of Sheffield Don Whitley Scientific visit Arab Health 2016 Hypoxic Microenvironments Cell Press Nucleus Visit HypOxygen at the AACR Meeting in San Diego Archives February 2016 January 2016 December 2015 November 2015 October 2015 September 2015 August 2015 July 2015 June 2015 May 2015 April 2015 March 2015 February 2015 January 2015 December 2014 November 2014 October 2014 September 2014 August 2014 July 2014 June 2014 May 2014 April 2014 March 2014 January 2014 December 2013 November 2013 October 2013 September 2013 August 2013 July 2013 June 2013 May 2013 April 2013 March 2013 February 2013 January 2013 December 2012 November

    Original URL path: http://www.dwscientific.co.uk/blog/tag/wjgs/ (2016-02-11)
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  • New Chilled Incubation Compartment
    need to store small quantities of media and samples in anaerobic conditions but at lower than ambient temperatures you can now specify an optional Chilled Incubation Compartment for a Whitley A35 or A45 Workstation This insulated compartment is located on the left hand side of the workstation and is accessed from the main chamber When you open the compartment door the plate carrier basket swings outwards to allow easy access It has a capacity of 10 x 90mm Petri dishes or items of a similar size The temperature in the Chilled Incubation Compartment can be easily adjusted in 0 1 C increments via the workstation s colour touchscreen The operating temperature range is between 12 C and 25 C and the temperature distribution within the compartment is within 2 C This option must be specified at time of order as it is a factory fitted modification Laboratory and main chamber temperatures may influence the upper and lower temperature levels that can be achieved Leave a Reply Click here to cancel reply You must be logged in to post a comment Search the Blog Search for Search Categories Anaerobic Australia Case Study Exhibitions Germany Hypoxystations News Overseas Exhibitions Press Releases Useful Links Recent Posts Liverpool Mini Exhibition A crucial update for Dr Rob Fagan at The University of Sheffield Don Whitley Scientific visit Arab Health 2016 Hypoxic Microenvironments Cell Press Nucleus Visit HypOxygen at the AACR Meeting in San Diego Archives February 2016 January 2016 December 2015 November 2015 October 2015 September 2015 August 2015 July 2015 June 2015 May 2015 April 2015 March 2015 February 2015 January 2015 December 2014 November 2014 October 2014 September 2014 August 2014 July 2014 June 2014 May 2014 April 2014 March 2014 January 2014 December 2013 November 2013 October 2013 September 2013 August 2013

    Original URL path: http://www.dwscientific.co.uk/blog/new-chilled-incubation-compartment/ (2016-02-11)
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  • Did You Know: about HEPA Filtration?
    that draw atmosphere out of the workstation before filtering and reintroducing it Don Whitley Scientific has created a unique design which is housed completely inside the workstation Housing the HEPA system inside the chamber prevents the build up of moisture which renders HEPA filters ineffective and cleans the internal atmosphere quickly Using innovative circulation technology all the atmosphere in the chamber passes through the filter 900 times every hour This quickly creates and maintains an environment exceeding the level of atmospheric cleanliness stipulated by ISO 14644 referenced in the Cell Tissue Culture Directive as the recommended standard for the handling of mammalian cells We achieve levels of atmospheric cleanliness exceeding the requirements of Class 3 of this standard which to the best of our knowledge is better than any other manufacturer There are currently three Whitley Workstations available with HEPA filtration A35 HEPA Anaerobic Workstation H35 HEPA Hypoxystation H45 HEPA Hypoxystation Proof of the atmospheric cleanliness achieved during the rigorous tests conducted on every HEPA workstation before dispatch is available on request Please contact us for more information This video demonstrates the effectiveness of our system Leave a Reply Click here to cancel reply You must be logged in to post a comment Search the Blog Search for Search Categories Anaerobic Australia Case Study Exhibitions Germany Hypoxystations News Overseas Exhibitions Press Releases Useful Links Recent Posts Liverpool Mini Exhibition A crucial update for Dr Rob Fagan at The University of Sheffield Don Whitley Scientific visit Arab Health 2016 Hypoxic Microenvironments Cell Press Nucleus Visit HypOxygen at the AACR Meeting in San Diego Archives February 2016 January 2016 December 2015 November 2015 October 2015 September 2015 August 2015 July 2015 June 2015 May 2015 April 2015 March 2015 February 2015 January 2015 December 2014 November 2014 October 2014 September 2014 August

    Original URL path: http://www.dwscientific.co.uk/blog/did-you-know-about-hepa-filtration/ (2016-02-11)
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  • Did you know: How best to clean your workstation?
    the above products are OK for use in a Whitley Workstation Our tests demonstrated that each of these formulations is satisfactory for use in Whitley Workstations and will not cause any damage when used in accordance with the manufacturer s recommendations What if I want to use a cleaning agent not on the above list Other disinfectants containing the active ingredients listed above at similar concentrations to those shown can also be safely used inside Whitley Workstations If you wish to use a disinfectant containing active ingredients not listed here please contact us for advice before proceeding Why should I contact DWS for advice will any damage not be covered under my warranty Unfortunately we cannot cover under the equipment s warranty any damage caused to a Whitley Workstation as a result of exposure to products that have not been approved by us Can I use Virkon as my preferred sanitising solution After a thorough study lasting 20 weeks we concluded that the presence of any uncovered containers of Virkon in anaerobic and variable atmosphere workstations leads to the degradation of stainless steel brass and some other metal components The effect is more considerable when oxygen is present in the selected gas mixture These conclusions are supported by technical information available on the Virkon manufacturer s website and independent observations by an Institute of Materials metallurgist If Virkon is the preferred sanitising solution these adverse effects can be minimised by ensuring that Virkon within any workstation is always kept in a covered vessel when not in use OK so what s the best way to clean the acrylic parts of a Whitley Workstation The transparent and or white acrylic on the inside and outside of the Whitley Workstation System may be swabbed with a 2 solution of Labdet 100 DWS stock code D00003 in warm water and dried afterwards with a soft clean cloth In the case of culture spillages then any of the disinfectants listed above solution should be applied to the spillage and left for 30 minutes It should then be mopped Never use any solvent on the acrylic surfaces of the workstation Use only water and a mild detergent solution i e Labdet 100 2 solution as a cleaning agent What if the spillage leaks underneath the floor of the workstation If spillage is not contained on the working surface then access underneath this area will be required in all Whitley Workstations except the DG250 Some workstations require the removal of retaining bolts before the floor can be lifted up or pivoted for cleaning underneath If liquid has been spilled upon the Anotox and catalyst sachets they should be removed dried and or replaced How can I deal with scratches on the acrylic plastic surface of my workstation Scratches may be removed by gently polishing the surface with DURAGLIT WADDING followed by wiping with a soft clean cloth Deep scratches may require the use of Wet and Dry abrasive paper used wet followed by polishing with DURAGLIT

    Original URL path: http://www.dwscientific.co.uk/blog/did-you-know-how-best-to-clean-your-workstation-2/ (2016-02-11)
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  • Search for "did you know" -
    of our system Tweet Did You Know about Quality Counts Posted on November 24th 2014 by Deborah Robinson Categories Australia Germany News Press Releases No Comments Tags DWS Service WASP When you purchase a WASP Whitley Automated Spiral Plater you have the option to join our Quality Counts scheme Free of charge for the first 12 months this programme provides valuable assurance that your WASP is functioning correctly and that samples are being analysed accurately Subscribers to the scheme will receive a sample on a monthly basis Each customer simply spiral plates the sample and then sends the result back to our laboratory Don Whitley Scientific will then collate the results and advise as to whether or not you are within specification Should your results fall outside acceptable limits we will offer advice training or service facilities as appropriate If you choose to continue your subscription after the first year discounts are available for organisations wishing to cover more than one WASP with the scheme Please contact us for more information Please note This scheme is only available to customers in the UK and Eire Tweet Did you know How best to clean your workstation Posted on October 29th 2014 by Deborah Robinson Categories Australia Germany Hypoxystations News Press Releases Useful Links No Comments Tags A35 workstation A45 Workstation A55 Workstation A95 Anaerobic Cabinet Anaerobic Bacteriology anaerobic chamber Anaerobic Microbiology Anaerobic Workstation Anotox catalyst Clinical Microbiology Guide DG250 Workstation Don Whitley Don Whitley Scientific DWS Service H35 Hypoxystation H45 Hypoxystation HEPA Workstation hypoxia workstation hypoxic workstation laboratory automation Whitley A35 Whitley A55 Workstation Whitley A95 Workstation This is the 10th in our Did you know series of articles introducing things you may not know about the Whitley range of products and services read on and you may find out something about your workstation that could make your working life easier We regularly receive enquiries from customers with regard to which disinfectants can be safely used inside Whitley Workstations Although it is not practicable to evaluate every available product we have tested the materials compatibility of several sporicidal disinfectants and can now provide comprehensive advice on this topic How often should I clean my workstation DWS recommend that as part of the daily checks users ensure that the workstation is free from spillage and cleaning carried out as necessary Prior to having your workstation serviced however it may be necessary for it to be decontaminated Which disinfectants have DWS tested Spor Klenz peracetic acid approx 0 1 hydrogen peroxide approx 1 0 ready to use product tested without further dilution Chemgene HLD4H quaternary ammonium compounds approx 1 chlorhexidine digluconate approx 1 ready to use product tested without further dilution Safe Hospital hypochlorous acid ready to use product tested without further dilution Tristel Fuse chlorine dioxide approx 1 prepared from concentrated components according to manufacturer s instructions For more information on these tests please see the appendices of your Whitley Workstation user manual Which of the above products are OK for use in a Whitley Workstation Our tests demonstrated that each of these formulations is satisfactory for use in Whitley Workstations and will not cause any damage when used in accordance with the manufacturer s recommendations What if I want to use a cleaning agent not on the above list Other disinfectants containing the active ingredients listed above at similar concentrations to those shown can also be safely used inside Whitley Workstations If you wish to use a disinfectant containing active ingredients not listed here please contact us for advice before proceeding Why should I contact DWS for advice will any damage not be covered under my warranty Unfortunately we cannot cover under the equipment s warranty any damage caused to a Whitley Workstation as a result of exposure to products that have not been approved by us Can I use Virkon as my preferred sanitising solution After a thorough study lasting 20 weeks we concluded that the presence of any uncovered containers of Virkon in anaerobic and variable atmosphere workstations leads to the degradation of stainless steel brass and some other metal components The effect is more considerable when oxygen is present in the selected gas mixture These conclusions are supported by technical information available on the Virkon manufacturer s website and independent observations by an Institute of Materials metallurgist If Virkon is the preferred sanitising solution these adverse effects can be minimised by ensuring that Virkon within any workstation is always kept in a covered vessel when not in use OK so what s the best way to clean the acrylic parts of a Whitley Workstation The transparent and or white acrylic on the inside and outside of the Whitley Workstation System may be swabbed with a 2 solution of Labdet 100 DWS stock code D00003 in warm water and dried afterwards with a soft clean cloth In the case of culture spillages then any of the disinfectants listed above solution should be applied to the spillage and left for 30 minutes It should then be mopped Never use any solvent on the acrylic surfaces of the workstation Use only water and a mild detergent solution i e Labdet 100 2 solution as a cleaning agent What if the spillage leaks underneath the floor of the workstation If spillage is not contained on the working surface then access underneath this area will be required in all Whitley Workstations except the DG250 Some workstations require the removal of retaining bolts before the floor can be lifted up or pivoted for cleaning underneath If liquid has been spilled upon the Anotox and catalyst sachets they should be removed dried and or replaced How can I deal with scratches on the acrylic plastic surface of my workstation Scratches may be removed by gently polishing the surface with DURAGLIT WADDING followed by wiping with a soft clean cloth Deep scratches may require the use of Wet and Dry abrasive paper used wet followed by polishing with DURAGLIT seek advice from Don Whitley Scientific Limited

    Original URL path: http://www.dwscientific.co.uk/blog/?s=did+you+know (2016-02-11)
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