Preguntas frecuentes (FAQ)

BLUESTAR® reactivo

Sí, BLUESTAR® Forensic puede reaccionar en sangre muy antigua. Se ha utilizado con éxito para detectar rastros que datan de más de 7000 años. Es común que BLUESTAR® Forensic se utilice para revelar rastros de más de 20 años.

La capacidad de detección de BLUESTAR® Forensic se ha medido en 1/100.000 (ver estudio en inglés)

Los productos BLUESTAR® Forensic deben almacenarse en un entorno seco a temperaturas que oscilen entre los 39 °F y los 86 °F.

  • Mini Kit, Mini Kit training, Tabletas 4 aplicaciones, Training 4 aplicaciones: 3 años
  • Kit, Magnum, Tabletas 8 aplicaciones, Training 8 aplicaciones: 4 años
  • Kit : 24 hours
  • Mini Kit : 3 hours
  • Magnum : 24 hours
  • Tablets : 3 hours
  • Training : 3 hours

The reaction of BLUESTAR® Forensic is immediate upon application and last 30 seconds to 2 minutes depending of the blood dilution and the material

BLUESTAR® Forensic reacts to human or animal hemoglobin and synthetic blood containing hemoglobin.

 

Yes, BLUESTAR® Forensic will react to all hemoglobin

BLUESTAR® Forensic can leave invisible residues. It is best to clean treated surfaces with water and a sponge or washcloth.

BLUESTAR® Forensic can produce reactions in the absence of blood. This reaction, called false positive, will occur on contact with certain acrylic paints, varnishes, chlorine products, etc. This light reaction is however very different from the reaction on blood.

With practice, you won’t be able to mistake a blood reaction for a false positive. (page false positives)

An example would be a bloodstain towel of blood. BLUESTAR® Forensic will react to human or animal hemoglobin

BLUESTAR® OBTI

The sensitivity of BLUESTAR® OBTI is 0.05 µg/ml, since the Identi-HEM® is 0.01 µg/ml.
Identi-HEM® is more selective than the BLUESTAR® OBTI on mustelidea family blood.
Identi-HEM® is delivered with a swab.
BLUESTAR® OBTI expiration date is 18 month, ex work factory. BLUESTAR® Identi-HEM® is 36 mouth, ex work factory.

BLUESTAR® OBTI should be stored in a dry environment in temperatures ranging 39°F – 86°F

BLUESTAR® OBTI: read a positive reaction within 3 – 10 minutes of activating test.

At 10 minutes you can confirm a negative test. Please refer to user guide.

Yes, you can spray several applications of BLUESTAR® Forensic spray on a suspected blood trace and still receive results with BLUESTAR® OBTI.

No, BLUESTAR® OBTI only reacts positive in the presence of human hemoglobin.

BLUESTAR® Identi-HEM®

The sensitivity of BLUESTAR® OBTI is 0.05 µg/ml, since the Identi-HEM® is 0.01 µg/ml.
Identi-HEM® is more selective than the BLUESTAR® OBTI on mustelidea family blood.
Identi-HEM® is delivered with a swab.
BLUESTAR® OBTI expiration date is 18 month, ex work factory. BLUESTAR® Identi-HEM® is 36 mouth, ex work factory.

BLUESTAR® Identi-HEM® should be stored in a dry environment in temperatures ranging 39°F – 86°F

The collected sample is stable at room temperature (4°C to 30°C) but should be tested within 7 days.

Yes, you can spray several applications of BLUESTAR® Forensic spray on a suspected blood trace and still receive results with BLUESTAR® Identi-HEM®

No, BLUESTAR® Identi-HEM® only reacts positive in the presence of human hemoglobin.

BLUESTAR® Identi-PSA®

BLUESTAR® Identi-PSA® should be stored in a dry environment in temperatures ranging 39°F – 86°F

BLUESTAR® Identi-PSA® : read results at 10 minutes. Please refer to user guide.

BLUESPRAY®

Applications: up to 2.5 applications = inserting and emptying BLUESTAR® Magnum bottle 2 ½ times.

Propulsion capacity: up to 300 ml or 10 oz

Vertical nozzle outlet diameter: 0,7mm

BLUESPRAY® may be tilted more than 45° to spray on horizontal objects or surfaces while providing continuous and even distribution of fine mist spray.