Oxygen Micro Respirator

This Is A Combined Synopsis Solicitation For Commercial Items Prepared In Accordance With The Format In Subpart 12 6 As Supplemented With Additional Information Included In This Notice This Announcement Constitutes The Only Solicitation Quotes Are Being Requested And A Written Solicitation Will Not Be Issued Solicitation Number 12505B21q0039 Is Issued As A Request For Quote Rfq The Solicitation Document And Incorporated Provisions And Clauses Are Those In Effect Through Federal Acquisition Circular 2021 04 The Associated Naics Code Is 334516 Analytical Laboratory Instrument Manufacturing With A Smallbusiness Size Standard Of 1 000 Employees And The Psc Code Is 6630 The Department Of Agriculture Ars Has The Need For The Following Products 001 Oxygen Micro Respirator Scope Of Work The Udsa Ars Vegetable Crops Research Unit In Madison Wi Is Requesting Quotes For Purchase Of A New Oxygen Micro Respirator Specifications For The Purchase Are Itemized Below Background The Usda Ars Uses This Micro Respirator To Collect Invaluable Data On Pollen Provision Oxygen Production Consumption Solitary Bees Collect Pollen From Neighboring Plants And Form Them Into A Pollen Provision This Provision Will Be The Substrate The Mother Bee Uses To Lay Her Egg Each Provision Is Inoculated With Microbes Placed In A Reed A Cylindrical Nesting Tube And Separated With A Mud Wall To Seal The Chamber Each Read Can Have Up To 8 Sealed Chambers Within It The Data Collected From This Micro Respiration System Will Allow Us To Measure The Oxygen Fluctuations In A Pollen Provision Of Solitary Bees Which Will Give Us A Better Understanding Of The Functionality Of The Microbial Community Within The Provisions Technical Requirements The Oxygen Produced By Microbial Communities Is Very Small Even Relative To Small Organisms Like Insects In Order To Accurately Measure The Oxygen Fluctuations Of Such A Small Microbial Community We Need A Small Container With A Small Amount Of Air Exchange And Headspace In Order To Detect The Increases Or Decreases In Oxygen Production Required 4 Ml Mr Chambers Specially Designed To Fit A Single Pollen Provision Inside The Vial With A Sufficient Amount Of Headspace The Pollen Provision Will Then Be Sealed Inside The Chamber With Agar And The Sensor Will Be Inserted Inside The Sealed Vial To Measure The Oxygen Fluctuations Inside Software Required To Collect All The Fluctuations Within The Mr Chamber From That We Can Use Any Statistical Software To Generate Oxygen Consumption Curves Must Be Able To Collect Oxygen Data From 4 Chambers At The Same Time The 4 Channel Amplifier Will Allow Us To Maximize Our Output And Measure Different Treatments At The Same Time The Amplifier Also Must Include A Specific Channel For A Temperature Sensor The Temperature Sensor Is Very Important For The Software To Accommodate How Temperature Changes Affect Oxygen Concentrations Key Deliverables Four Oxygen Microsensors Optical Sensor Must Be Able To Measure Oxygen In Gaseous State Must Have An Outside Tip Diameter Of 430 m Measurement Range 0 100 O2 0 45 Mg L Optimal 0 50 O2 0 23 Mg L Detection Limit 0 02 0 01 Mg L Easy Handling To Prevent Damaging Sensor Needs Aluminum Sensor Guides With Adjustable Plastic Tips And Retractable Design To Avoid Damage Low Detection Limits Fast Response Lt 3Sec Response Time Insignificant Consumption Of Analyte A 4 Channel Amplifier Must Be Compatible With The Oxygen Sensor Temperature Sensor And Software Must Have 4 Channels With An Additional Slot S For Temperature Probe Adjustable Sampling Intervals From 1 Sec To 60 Sec Accurate Temperature Compensation A Temperature Sensor Must Be Compatible With Amplifier Precise Temperature Measurements To The 0 1 C Decimal Place Sensortrace Logger Must P

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