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Ultraviolet visible spectrophotometers, also called as UV Vis spectrophotometer or UV spectrophotometer, can quantify the optical properties of samples in the ultraviolet and visible wavelength ranges of light (typically 190 to 900/1100 nm). Specifically, UV Vis spectrophotometer determines how much light of a given wavelength passes through a sample, and how much is absorbed. Such information can be diagnostic of molecular identity, concentration, structure, or activity, whether of organic species such as porphyrins, benzenes, and napthalenes, or of biomolecules like nucleic acids and proteins. 

UV-VIS spectrophotometer, as model ND5000, is designed for laboratory demanding photometry applications of high precision & high reproducibility.
 
ND5000, offers high speed of measurement to micro samples between 0.5-2ul in 4 seconds which could greatly save time.meanwhile, it also can remove cuvette,capillary.

 

Company BioTeke Company A Company B Company C
Cat# ND5000      
Interface Chinese English English Chinese
System Campatibility XP, Win 7 XP Win 7-32 XP XP Win 7
Test Speed Midumn Midumn Fast Midumn
Data Correction Easy Midumn Midumn bad
Historical Data No No have No
Configuration Computer No No No
Precision Excellent Excellent better Worse
Repeatability Excellent better better Worse
Linear Better Medium Better Worse
Headequaters Address Haidian District Changping District Daxing District Haidian District
General Comment Simple operation, better compatibility, evaluation results are excellent
 
High repair rate, evaluation results are excellent High speed, good compatibility, evaluation results are good. Evaluation results are worse

Whole Blood DNA Detection(Repeat two times)

                 BioTeke       Company A        Company B         Company C
























Comparison of repeatability:




Comparison of repeatability:

BioTeke instrument is better than that of company B, company C data is more chaotic, without comparison value.

 

Evaluation-Linear


 




 













For two times of dilution samples,three manufacturers of linear difference is not significantly. BioTeke> Company A> Company B. Company C data is chaotic, without comparison value.