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The quantitative lyophilized pellet of a single microorganism strain with a defined mean assay inside a plastic vial and separate vial with 1ml rehydration fluid. Available in concentrations ranging from 103 to 108 CFU per pellet.


  • Extremely versatile – MicroPelletRTPlus lyophilized microorganism preparations are available in concentrations ranging from 103 to 108 CFU per pellet
  • MicroPelletRTPlus can be used individually or several MicroPelletRTPlus pellets can be combined for a mixed microorganism population challenge
  • They can also be easily manipulated to deliver a wide variety of concentrations
  • For added convenience, MicroPelletRTPlus are delivered in economical packs of 2 vials with one pellet/vial. Rehydration fluid is available separately in sets of 2 vials of 1 ml each as a complementary product
  • MicroPelletsRTPlus can easily be stored at 2-8°C
  • MicroPelletRTPlus does not require dry ice. Shipping costs are reduced
  • A certificate of analysis for your QM documentation is included

MicroPelletRTPlus microorganisms can be used to perform various essential quality control functions including:

  • microbial detection and enumeration
  • equipment calibration
  • method validation
  • bioburden determination
  • antibacterial effectiveness
  • and lethality testing


coming soon

coming soon

MicroPelletRTPlus Aspergillus brasiliensis WDCM 00053-ATCC® 16404™, log3

MPRTP3A017

MicroPelletRTPlus Aspergillus brasiliensis WDCM 00053-ATCC® 16404™, log6

MPRTP6A017

MicroPelletRTPlus Bacillus cereus ATCC® 10876™, log3

MPRTP3B001

MicroPelletRTPlus Bacillus cereus NCIMB  7464, log3

MPRTP3B033

MicroPelletRTPlus Bacillus subtilis subsp. Spizizenii WDCM 00003-ATCC® 6633™, log3

MPRTP3B007

MicroPelletRTPlus Bacillus subtilis subsp. Spizizenii WDCM 00003-ATCC® 6633™, log4

MPRTP4B007

MicroPelletRTPlus Bacillus subtilis subsp. Spizizenii WDCM 00003-ATCC® 6633™, log6

MPRTP6B007

MicroPelletRTPlus Candida albicans WDCM 00054-ATCC® 10231™, log3

MPRTP3C005

MicroPelletRTPlus Candida albicans WDCM 00054-ATCC® 10231™, log7

MPRTP7C005

MicroPelletRTPlus Clostridium perfringens WDCM 00007-ATCC® 13124™, log3

MPRTP3C026

MicroPelletRTPlus Clostridium sporogenes ATCC® 11437™, log3

MPRTP3C029

MicroPelletRTPlus Clostridium sporogenes WDCM 00008-ATCC® 19404™, log3

MPRTP3C030

MicroPelletRTPlus Cronobacter muytjensii WDCM 00213- ATCC® 51329™, log3

MPRTP3E034

MicroPelletRTPlus Enterobacter aerogenes NCIMB  10102, log3

MPRTP3E041

MicroPelletRTPlus Enterobacter aerogenes WDCM 00175-ATCC® 13048™, log3

MPRTP3E001

MicroPelletRTPlus Enterobacter cloacae subsp. Cloacae ATCC® 35030™, log8

MPRTP8E042

MicroPelletRTPlus Enterococcus faecalis ATCC® 7080™, log3

MPRTP3E045

MicroPelletRTPlus Enterococcus faecalis WDCM 00087-ATCC® 29212™, log3

MPRTP3E015

MicroPelletRTPlus Enterococcus faecalis WDCM 00087-ATCC® 29212™, log7

MPRTP7E015

MicroPelletRTPlus Escherichia coli ATCC® 35218™, log3

MPRTP3E027

MicroPelletRTPlus Escherichia coli ATCC® 51813™, log3

MPRTP3E044

MicroPelletRTPlus Escherichia coli ATCC® 51813™, log4

MPRTP4E044

MicroPelletRTPlus Escherichia coli WDCM 00012,WDCM 00196-ATCC® 8739™, log3

MPRTP3E032

MicroPelletRTPlus Escherichia coli WDCM 00012,WDCM 00196-ATCC® 8739™, log7

MPRTP7E032

MicroPelletRTPlus Geobacillus stearothermophilus ATCC® 7953™, log3

MPRTP3B006

MicroPelletRTPlus Klebsiella pneumoniae subsp. Pneumoniae ATCC® 10031™, log7

MPRTP7K003

MicroPelletRTPlus Kocuria rhizophila ATCC® 9341™, log3

MPRTP3M004

MicroPelletRTPlus Kocuria rhizophila ATCC® 9341™, log4

MPRTP4M004

MicroPelletRTPlus Lactobacillus fermentum ATCC® 9338™, log3

MPRTP3L016

MicroPelletRTPlus Listeria innocua WDCM 00017-NCTC  11288, log3

MPRTP3L021

MicroPelletRTPlus Listeria monocytogenes ATCC® 19115™, log3

MPRTP3L013

MicroPelletRTPlus Listeria monocytogenes WDCM 00021-ATCC® 13932™, log3

MPRTP3L023

MicroPelletRTPlus Penicillium aurantiogriseum WDCM 00057-ATCC® 16025™, log3

MPRTP3P037

MicroPelletRTPlus Pseudomonas aeruginosa ATCC® 15442™, log3

MPRTP3P038

MicroPelletRTPlus Pseudomonas aeruginosa WDCM 00025-ATCC® 27853™, log3

MPRTP3P028

MicroPelletRTPlus Pseudomonas aeruginosa WDCM 00025-ATCC® 27853™, log6

MPRTP6P028

MicroPelletRTPlus Pseudomonas aeruginosa WDCM 00026-ATCC® 9027™, log7

MPRTP7P030

MicroPelletRTPlus Salmonella enterica subsp. enterica serovar Typhimurium WDCM 00031-ATCC® 14028™, log3

MPRTP3S018

MicroPelletRTPlus Salmonella enterica subsp. enterica serovar Typhimurium WDCM 00031-ATCC® 14028™, log4

MPRTP4S018

MicroPelletRTPlus Salmonella enterica subsp. enterica serovar Typhimurium WDCM 00121-ATCC® 13311™, log3

MPRTP3S103

MicroPelletRTPlus Salmonella enterica subsp. enterica serovar Typhimurium WDCM 00121-ATCC® 13311™, log7

MPRTP7S103

MicroPelletRTPlus Salmonella enterica subsp. enterica WDCM 00029-NCTC  6017, log7

MPRTP7S109

MicroPelletRTPlus Staphylococcus aureus subsp. aureus ATCC® 700699™, log4

MPRTP4S110

MicroPelletRTPlus Staphylococcus aureus subsp. aureus WDCM 00032,WDCM 00193-ATCC® 6538™, log3

MPRTP3S047

MicroPelletRTPlus Staphylococcus aureus subsp. aureus WDCM 00032,WDCM 00193-ATCC® 6538™, log7

MPRTP7S047

MicroPelletRTPlus Staphylococcus aureus subsp. aureus WDCM 00033,WDCM 00193,WDCM 00195-ATCC® 6538P™, log3

MPRTP3S048

MicroPelletRTPlus Staphylococcus aureus subsp. aureus WDCM 00034-ATCC® 25923™, log3

MPRTP3S039

MicroPelletRTPlus Staphylococcus aureus subsp. aureus WDCM 00034-ATCC® 25923™, log4

MPRTP4S039

MicroPelletRTPlus Staphylococcus aureus subsp. aureus WDCM 00034-NCIMB  12702, log3

MPRTP3S111

MicroPelletRTPlus Staphylococcus aureus subsp. aureus WDCM 00034-NCIMB  12702, log4

MPRTP4S111

MicroPelletRTPlus Staphylococcus epidermidis WDCM 00036-ATCC® 12228™, log3

MPRTP3S051

MicroPelletRTPlus Staphylococcus epidermidis WDCM 00036-ATCC® 12228™, log4

MPRTP4S051

MicroPelletRTPlus Staphylococcus epidermidis WDCM 00036-ATCC® 12228™, log8

MPRTP8S051

MicroPelletRTPlus Zygosaccharomyces rouxii ATCC® 28253™, log3

MPRTP3Z001