Rapid Diagnostics Knowledge Center and Selection FAQs
Selection-oriented answers for R&D, procurement and production teams covering Ahlstrom diagnostic products, fluorescent nanobeads, colloidal gold and fluorescence consumables, raw materials and project services.
How to Compare Ahlstrom 8964, 6613, 8951, 141 and 142
A practical selection guide for popular Ahlstrom diagnostic materials across conjugate release, sample treatment, background control and production adoption.
MATERIAL MATCHINGHow GF2, GL0194 and H5072 Fit in Lateral Flow Strip Structures
A material matching guide for whole blood filtration, conjugate release and absorbent driving force in lateral flow strips.
AHLSTROM GUIDEHow Ahlstrom Diagnostic Materials Are Used in Lateral Flow Assays
A practical guide to Ahlstrom diagnostic materials for sample treatment, conjugate release, whole blood filtration and absorbent flow control.
AHLSTROM CONSULTATIONWhat Information Helps When Consulting Ahlstrom 8964, 6613, 8951, 141 and 142
A consultation guide for Ahlstrom diagnostic materials in colloidal gold, fluorescence lateral flow and POCT projects.
CONJUGATE PADHow to Select and Treat Conjugate Pads for Lateral Flow Assays
A practical guide to conjugate pad selection, pretreatment, drying, rewetting and release behavior for colloidal gold and fluorescence lateral flow assays.
BUFFER OPTIMIZATIONHow Sugars, Surfactants and Proteins Work Together in Conjugate Pad Treatment Buffers
A practical guide to conjugate pad treatment buffer optimization for colloidal gold, fluorescent microsphere and whole blood lateral flow projects.
GOLD CONJUGATE RELEASEHow to Troubleshoot Incomplete Gold Conjugate Release from Conjugate Pads
A product-connected guide to gold conjugate release from conjugate pads, using Ahlstrom 8964, GL0194, MA0280 and JY Biotech material selection logic across conjugate quality, treatment buffer, spraying, drying and strip matching.
SAMPLE PADWhy Sample Pad Treatment Influences Background, Flow and False Positives
How sample pads affect sample loading, pretreatment, matrix tolerance, flow behavior and lateral flow assay stability across serum, urine, dairy, secretion and whole blood samples.
WHOLE BLOOD FILTERKey Factors When Selecting GF2 and GF4 Whole Blood Filters
Selection considerations for GF2, GF4 and related whole blood filters in rapid diagnostic assays.
ABSORBENT PADHow H5072 Absorbent Pads Match the Flow Window of Lateral Flow Strips
A guide to absorbent pad selection for flow control, endpoint capacity, backflow prevention and assay consistency in lateral flow strips.
LATERAL FLOW STRUCTUREThe Roles of Sample Pads, Conjugate Pads and Absorbent Pads
A practical explanation of the roles and selection logic of pads in lateral flow test strips.
TRFICA / FNBEFluorescent Nanobeads for Time-Resolved Fluorescence Lateral Flow Assays
How Eu3+ chelate fluorescent nanobeads are used in TRFICA, TRFIA and POCT fluorescence platforms.
SURFACE GROUP SELECTIONHow to Choose COOH, NH2 and SA Fluorescent Nanobeads
Selection logic for carboxyl, amino and streptavidin fluorescent nanobeads based on coupling chemistry and assay design.
PLATFORM COMPARISONColloidal Gold vs Fluorescence Lateral Flow Assay Platforms
A practical comparison of colloidal gold and fluorescence rapid diagnostic platforms.
PROJECT CHECKLISTHow Material Checklists Differ for Colloidal Gold, Fluorescence and Nucleic Acid Lateral Flow Projects
A practical checklist comparing material needs for colloidal gold, fluorescence lateral flow and nucleic acid lateral flow projects.
CRISPR PROJECT POSITIONINGCRISPR Nucleic Acid Detection: Visual Strip Readout or Pure CRISPR Assay
How to choose between CRISPR lateral-flow visual readout and pure CRISPR nucleic acid detection according to sensitivity, readout method, application scenario and project preparation.
COLLOIDAL GOLD WORKFLOWEssential Consumables and Equipment for Colloidal Gold Rapid Tests
Consumables and equipment used from colloidal gold rapid test development to production introduction.
COLLOIDAL GOLD CV CONTROLHow to Troubleshoot and Reduce High CV in Colloidal Gold Lateral Flow Strips
A systematic guide to CV control in colloidal gold lateral flow assays, covering gold particles, labeling, conjugate pads, drying, assembly and process QC.
FLUORESCENCE OPTIMIZATIONHow to Control Background in Fluorescence Lateral Flow Assays
Background and reading stability considerations for fluorescence rapid diagnostic projects.
FLUORESCENT BEAD TROUBLESHOOTINGHow to Troubleshoot High Background After Fluorescent Microsphere Coupling
A systematic troubleshooting guide for high background after fluorescent microsphere conjugation, covering beads, coupling, blocking, strip materials, sample matrix and reader settings.
LATEX LABELING QCHow to Troubleshoot Aggregation During Latex and Fluorescent Microsphere Labeling
A practical troubleshooting guide for aggregation during latex or fluorescent bead labeling, covering colloidal stability, washing, centrifugation, EDC/NHS activation, antibody pI and QC checkpoints.
COLORED LATEX STABILITYStorage Stability Troubleshooting for Labeled Colored Latex and Fluorescent Beads
Storage-stability troubleshooting for labeled colored latex and fluorescent beads, connected with JY Biotech FNBE fluorescent nanobead specifications, surface groups, packaging and strip validation.
RAW MATERIAL SELECTIONWhat Information Should Be Prepared for Rapid Test Raw Material Selection
Project information needed when discussing recombinant proteins, paired antibodies and reagents for rapid diagnostic development.
SUBSTITUTION EVALUATIONHow to Evaluate Import Substitution Materials for Rapid Diagnostic Projects
Validation path and communication focus for imported material substitution in rapid diagnostic projects.