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Diatom Lab counts many important research centres, universities, colleges, environmental organizations and microscope companies from all around the world among its customers, in addition to hundreds of private customers of course. Just for example you can read the contract signed with the Italian National Research Council or CNR (https://www.cnr.it/en) by this link: http://www.urp.cnr.it/copertine/ente/ente_evidenza/gare_2018/ISASI_011_det.pdf The other numerous client companies from all over the world are not public bodies, therefore they cannot be listed here for privacy reasons, but you can read more than a thousand 100% positive eBay feedbacks at the following link: eBay feedbacks In fact Diatom Lab sells its special products online (by email order) or more rarely through the business eBay page http://www.ebay.com/usr/diatomshop to promote the products to private customers (the eBay account name is diatomshop and starting prices are often symbolic as most bids happen in the final minutes or seconds of each auction. Almost every week Diatom Shop sells many very rare Diatoms on eBay).  

Before payment you will always receive an email with attached the photographs and photomicrographs of the products you've ordered: what you see is what you get.
Diatom Lab works with honesty, accuracy and transparency. You'll always receive a paper invoice (if you are a business company) or a paper tax receipt (if you are a private customer) with every purchase.
All parcels are fully tracked, so that you can check the progress of your items through to delivery. Diatom Lab safely ships WORLDWIDE using microscope mailer cases, bubble wrap and paddled packages: customers of Diatom Lab live in USA, Europe, Asia, Oceania and Africa!
Payments are possible using PayPal (no PayPal account needed, just a credit card!) or bank transfer.
The following prices are FINAL, what you read is what you pay to Diatom Lab (for shipping costs visit the "Order" page)


DIATOM TEST SLIDES (Microscope slides)  
Worldwide shipping by registered international parcel: 10,90 euros

IF YOU ARE LOOKING FOR MORE MICROSLIDES AND ARRANGEMENTS WITH DIATOMS, RADIOLARIANS AND OTHER AMAZING MICROSCOPIC OBJECTS FOR OPTICAL MICROSCOPY AND SCANNING ELECTRON MICROSCOPY (SEM) PLEASE VISIT www.diatomshop.com

DIATOM TEST SLIDE VERSION 2.0, for dry and oil immersion objectives, WITH 5 MICROMANIPULATED DIATOM SPECIES:
This microscope slide contains the following Micromanipulated Diatoms:
Stauroneis phoenicenteron (for Dry objectives),
Gyrosigma attenuatum (for Dry and Oil immersion objectives),
Gyrosigma reimeri (for Oil immersion objectives),
Navicula oblonga (for Double immersion = Oil immersion objective and Oil immersion condenser),
Pinnularia nobilis (for Double immersion = Oil immersion objective and Oil immersion condenser).

As always, Diatoms are attached / fixed to the underside of a properly thick cover glass (and not commonly on the microscope slide!) in order to ensure the best conditions for excellent resolution and contrast!The customized cover glass (coverslip) with high optical quality is manufactured in Germany specifically for Diatom Lab. In Diatom Cubed mountant!
TO OBTAIN THE PDF INSTRUCTION MANUAL
WITH QUANTITATIVE FEATURES (number of striae and areolae in 10 µm and/or the average distance between areolae), simply click on this LINK

Price 69 euros

DIATOM TEST SLIDE WITH MICROMANIPULATED Neidium iridis var. amphigomphus (Ehr.) A. Mayer
Details to resolve: areolae, forming the striae
Striae in 10 µm: 15-16 longitudinal
Suggested techniques: Dry or Oil immersion microscope objectives
in Bright field, or Bright field with Oblique illumination, or Dark field illumination, or Phase contrast, or Differential interference contrast (DIC)
As always, Diatom is attached / fixed to the underside of a properly thick cover glass (and not commonly on the microscope slide!) in order to ensure the best conditions for excellent resolution and contrast! The customized cover glass (coverslip) with high optical quality is manufactured in Germany specifically for Diatom Lab. In Diatom Cubed mountant

Price 29 euros

DIATOM TEST SLIDE WITH MICROMANIPULATED Craticula cuspidata (Kützing) DG Mann ex Rotonda et al. (1990)
Details to resolve: very small areolae, forming the striae
Striae in 10 µm: 16-17 longitudinal
Suggested techniques: Oil immersion microscope objectives
in Bright field, or Bright field with Oblique illumination, or Dark field illumination, or Phase contrast, or Differential interference contrast (DIC)
As always, Diatom is attached / fixed to the underside of a properly thick cover glass (and not commonly on the microscope slide!) in order to ensure the best conditions for excellent resolution and contrast! The customized cover glass (coverslip) with high optical quality is manufactured in Germany specifically for Diatom Lab. In Diatom Cubed mountant

Price 39 euros

DIATOM TEST SLIDE WITH MICROMANIPULATED Nitzschia heufleriana Grunow 1862
Details to resolve: striae or eventually stria pores in double immersion
Striae in 10 µm: 24-25

Suggested techniques:
1) Striae: Oil immersion microscope objectives
in Bright field, or Bright field with Oblique illumination, or Dark field illumination, or Phase contrast, or Differential interference contrast (DIC);
2) Stria pores: Double immersion
(= Oil immersion objective and Oil immersion condenser)
As always, Diatom is attached / fixed to the underside of a properly thick cover glass (and not commonly on the microscope slide!) in order to ensure the best conditions for excellent resolution and contrast! The customized cover glass (coverslip) with high optical quality is manufactured in Germany specifically for Diatom Lab. In Diatom Cubed mountant

Price 39 euros

DIATOM TEST SLIDE WITH MICROMANIPULATED Nitzschia linearis W.Smith  
Details to resolve: striae or eventually stria pores in double immersion
Striae in 10 µm: 29-30, parallel

Suggested techniques:
1) Striae: Oil immersion
microscope objectives in Bright field, or Bright field with Oblique illumination, or Dark field illumination, or Phase contrast, or Differential interference contrast (DIC);
2) Stria pores: Double immersion
(= Oil immersion objective and Oil immersion condenser)
As always, Diatom is attached / fixed to the underside of a properly thick cover glass (and not commonly on the microscope slide!) in order to ensure the best conditions for excellent resolution and contrast! The customized cover glass (coverslip) with high optical quality is manufactured in Germany specifically for Diatom Lab. In Diatom Cubed mountant

Price 39 euros

DIATOM TEST SLIDE WITH MICROMANIPULATED Pinnularia dactylus var. dariana (A.Schmidt) Cleve
Details to detect: poroids
The theoretical limit of resolution of most light  microscopes  is ∼ 0.2 μm, but these poroids can be detected by the techniques below, thanks to Diatom Cubed high refractive index mountant!

Viewed with SEM, QUANTITATIVE FEATURES in Diatom Lab's sample are:

Poroids inside the striae: 44 - 45 in 10 µm
Average distance between poroids: 0,072 - 0,089 µm. See SEM image from the same sample!
(While In Amphipleura pellucida striae number 37-45 in 10 µm and pores are spaced 0,16 - 0,19 µm apart)

Recommended microscope objectives:
Oil-immersion 63 or 100x objectives having a very good or excellent numerical aperture (1,3 or 1,4);
Suggested techniques to detect the poroids: Double immersion
(= Oil immersion objective and Oil immersion condenser) with Polarized light (the polarizers should be oriented perpendicular to each other = maximum level of extinction) and possibly oblique illumination; or Immersion dark field condenser (better 1,2/1,4) with Polarized light (the polarizers should be oriented perpendicular to each other = maximum level of extinction)
As always, Diatom is attached / fixed to the underside of a properly thick cover glass (and not commonly on the microscope slide!) in order to ensure the best conditions for excellent resolution and contrast! The customized cover glass (coverslip) with high optical quality is manufactured in Germany specifically for Diatom Lab. In Diatom Cubed mountant!

Price 49 euros

DIATOM TEST SLIDE WITH 4 MICROMANIPULATED Navicula oblonga (Kützing) Kützing
Details to detect: areolae (lineolae), forming the striae

Viewed with SEM, QUANTITATIVE FEATURES in Diatom Lab's sample are: Areolae (lineolae) in 10 µm: 48-50. AVERAGE DISTANCE BETWEEN areolae (lineolae): 0,14 µm. See SEM images from the same sample!
(While in Amphipleura pellucida striae number 37-45 in 10 µm and pores are spaced 0,16 - 0,19 µm apart)
The theoretical limit of resolution of most light  microscopes  is ∼ 0.2 μm, but these poroids can be detected by the techniques below, thanks to Diatom Cubed high refractive index mountant!

Suggested techniques: Double immersion
(= Oil immersion objective and Oil immersion condenser) and: Polarized light (the polarizers should be oriented perpendicular to each other = maximum level of extinction); or Circular oblique illumination (C.O.L.) with polarized light; or Dark field illumination using an immersion dark field condenser (better 1,2/1,4); or Differential interference contrast (DIC); or UV illumination: in this case highly  specialized laboratory  facilities are required (it is dangerous for the eyes, it requires the use of special protection devices, accessories and cameras. Please refer to the operating manual  of your instruments); or some variants of  the  Differential interference contrast (such as AVEC-DIC, the Allen Video-enhanced Contrast); or IRC (Interference reflection contrast technique)
As always, Diatom are attached / fixed to the underside of a properly thick cover glass (and not commonly on the microscope slide!) in order to ensure the best conditions for excellent resolution and contrast! The customized cover glass (coverslip) with high optical quality is manufactured in Germany specifically for Diatom Lab. In Diatom Cubed mountant!

Price 39 euros

DIATOM TEST SLIDE WITH MICROMANIPULATED Pinnularia nobilis (Ehrenberg) Ehrenberg
Details to detect: poroids
AVERAGE DISTANCE BETWEEN POROIDS: 0,11 µm (NEW MORE DIFFICULT SAMPLE!), see Scanning Electron Microscope (SEM) measurements.
The theoretical limit of resolution of most light  microscopes  is ∼ 0.2 μm, but these poroids can be detected by the techniques below, thanks to Diatom Cubed high refractive index mountant!

Recommended microscope objectives: oil-immersion 63 or 100x objectives having a very good or excellent numerical aperture (1,3 or 1,4)
Suggested techniques: Double immersion
(= Oil immersion objective and Oil immersion condenser) in: Polarized light (the polarizers should be oriented perpendicular to each other = maximum level of extinction) with possibly oblique illumination; or Immersion dark field condenser (better 1,2/1,4) with Polarized light (the polarizers should be oriented perpendicular to each other = maximum level of extinction)
As always, Diatom is attached / fixed to the underside of a properly thick cover glass (and not commonly on the microscope slide!) in order to ensure the best conditions for excellent resolution and contrast! The customized cover glass (coverslip) with high optical quality is manufactured in Germany specifically for Diatom Lab. In Diatom Cubed mountant

Price 39 euros

DIATOM TEST SLIDE WITH MICROMANIPULATED Surirella striatula Turpin (frustule has a strong torsion along the apical axis)
Details to detect: areolae, forming the striae
Viewed with SEM, the average distance between areolae is 0,14 µm.
The theoretical limit of resolution of most light  microscopes  is ∼ 0.2 μm, but these areolae can be detected by the techniques below, thanks to Diatom Cubed high refractive index mountant!

Recommended microscope objectives: oil-immersion 63 or 100x objectives having a very good or excellent numerical aperture (1,3 or 1,4)
Suggested techniques: Double immersion
(= Oil immersion objective and Oil immersion condenser) in: Polarized light (the polarizers should be oriented perpendicular to each other = maximum level of extinction) with possibly oblique illumination; or Immersion dark field condenser (better 1,2/1,4) with Polarized light (the polarizers should be oriented perpendicular to each other = maximum level of extinction)
As always, Diatom is attached / fixed to the underside of a properly thick cover glass (and not commonly on the microscope slide!) in order to ensure the best conditions for excellent resolution and contrast! The customized cover glass (coverslip) with high optical quality is manufactured in Germany specifically for Diatom Lab. In Diatom Cubed mountant!

Price 39 euros

NEW DIATOM TEST SLIDES WILL BE ADDED SOON!

IF YOU ARE LOOKING FOR MORE MICROSLIDES AND ARRANGEMENTS WITH DIATOMS, RADIOLARIANS AND OTHER AMAZING MICROSCOPIC OBJECTS FOR OPTICAL MICROSCOPY AND SCANNING ELECTRON MICROSCOPY (SEM) PLEASE VISIT www.diatomshop.com

 
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