Technical Articles

UA070122

Why Internalization Efficiency Is Becoming a Screenable Metric for ADC

2026-10-20

This article reviews internalization efficiency as an ADC-screenable metric: quantitative methods, assay boundaries and how pH-sensitive labeling standardizes antibody-internalization comparison.

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Drug Research
ADC internalization
internalization efficiency
antibody-drug conjugate
internalization screening
quantitative assay
UA070122

No Signal in Internalization Assays: Which Steps Usually Go Wrong

2026-10-20

A step-by-step troubleshooting guide for pH-sensitive internalization assays: labeling ratio, incubation conditions, washing steps and control design when signals stay flat.

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Drug Research
internalization assay
labeling ratio
incubation conditions
washing steps
control design
signal troubleshooting
UA070122

pH-Sensitive IgG Labeling: Why Fluorescence Only Lights Up After the Antibody Enters the Cell

2026-10-20

pH-sensitive dyes stay quenched at neutral pH and brighten in acidic endosomes. This article explains the self-quenching principle, lysosomal pH and how labeled antibodies report internalization.

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Drug Research
pH-sensitive IgG labeling reagent
pH-sensitive fluorescent probe
antibody internalization assay
internalization quantification
self-quenching
lysosomal pH
UA070122

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