Can lyophilized proteins remain stable during room-temperature shipping or temporary room-temperature exposure?

In general, lyophilized proteins remain stable during room-temperature shipping or temporary exposure to room-temperature conditions. Many ACROBiosystems recombinant proteins are supplied in lyophilized (freeze-dried) form. The lyophilization process effectively removes moisture from the product, helping reduce degradation-related reactions and improve protein stability during transportation and storage. To evaluate the stability of lyophilized proteins under normal temperature conditions, ACROBiosystems conducted a stability study on 11 representative lyophilized protein products at 37°C. The study demonstrated that these proteins maintained good quality stability after storage at 37°C for approximately 20 days. Based on these validation results, temporary room-temperature exposure during shipping or handling is generally not expected to have a significant impact on product quality or downstream application performance. To ensure optimal long-term stability, products should be stored according to the storage conditions specified in the product Certificate of Analysis (COA) upon receipt. Supporting Document Validation Report for Accelerated Stability Study of 11 Lyophilized Proteins

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Monoclonal Anti-His Tag Antibody, Human IgG1 FA-Labeled (for TR-FRET)

For detailed protocols, please download the TR-FRET Toolbox Experimental Guide.

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FRT-TA04-1000tests

$191.00

In Stock - Delivery in 2 weeks

FRT-TA04-5000tests

$443.00

In Stock - Delivery in 2 weeks

FRT-TA04-20000tests

$1,391.00

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Application

The Monoclonal Anti-His Tag Antibody, Human IgG1 FA-Labeled is a universal tool for TR-FRET assays that can bind His-tagged proteins. This product uses specific anti-His antibody labeled with fluorescent dyes and it can be used in combination with other Donors covalently conjugated with Eu³⁺ chelate. When the Donor and Acceptor come into close proximity (within a distance of less than 10 nm), a FRET reaction occurs: the 620 nm signal emitted by the Donor upon excitation by a specific light source is received by the Acceptor, which then emits a 665 nm signal.

Product Specifications

Source	This Monoclonal Anti-His Tag Antibody, Human IgG1 is a chimeric monoclonal antibody recombinantly expressed from HEK293, which combines the variable region of a mouse monoclonal antibody with Human constant domain.
Specificity	This antibody specifically reacts with His tag proteins, and can recognizes C-terminal, N-terminal, and internal His tagged fusion proteins.
Formulation	Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Physical Appearance	Powder
Storage (unopened)	-20°C to -70°C
Storage (opened)	-70°C
Unit Size	1000 tests & 5000 tests & 20000 tests
Technology	TR-FRET
Intended Use	For binding the his-tagged protein as acceptor in TR-FRET Assay