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Please help us fitting your needs even better !
           Take a few minutes of time and answer the below questions !

We at ALV are constantly improving our existing and developing new products to fit the needs of our customers even better. However, doing so requires feedback - and no one is better suited to give this feedback than you !

Please enter your name (required)

Please enter your address, telephone and fax number

Please describe the current and planned application for ALV products (required)

My current or future applications require the following instrumentation ...

Standard DLS

High Sensitivity DLS (e.g. less than 1 mg/ml for small protein monomers <5 nm diameter)

High Concentration DLS (e.g. more than 10 mg/ml for >200 nm particles diameter)

Combined DLS & SLS at fixed scattering angle (e.g. Mw determination for small Mw)

Angular dependent DLS & SLS (e.g. Mw determination for large Mw, formfactors, structure factors ...)

dn/dc Determination

Simultaneous Multi-Angle DLS & SLS (e.g. time-dynamic process, polymerisation, crystallisation ...)

High Troughput Screening using DLS/SLS (e.g. combinatorial chemistry, aggregation screening ... )

High Troughput Screening multi-titer-plate based ?

High Troughput Screening flow based ?

~ 100 samples / day ?

~ 1000 samples / day ?

more than 1000 samples / day ?

Diffusing Wave Spectroscopy

180° Backscattering Mode ?

0° Transmission Mode ?

Zeta-Potential Measurement

Fluorescence Correlation Spectroscopy

I prefer to use the following operating system




I need the control and data analysis software to comply with

21 CFR Part 11

A special validation