A reagent mixture preparation and dispensing device comprising: a body (4502, 5402); a reagent reservoir (4512, 5409) containing a reagent (4514, 5407), the reagent reservoir disposed within the body; a solution reservoir (4524, 5420) containing a solution (4528, 5421), the solution reservoir disposed within the body; a reagent reservoir seal (4522, 5432) extending over the reagent reservoir (4512, 5409), wherein the reagent reservoir seal (4522, 5432) separates the reagent reservoir (4512, 5409) from the solution reservoir (4524, 5420), a means for reconstituting the reagent into a specified amount of a reagent mixture; a dispensing reservoir tip (4504, 5406) coupled with the body, the dispensing reservoir tip sized and shaped to hold the specified amount of the reagent mixture; and a means (4511, 4525) for dispensing the reagent mixture from the dispensing reservoir tip, wherein the means for reconstituting the reagent and the means for dispensing the reagent mixture include: a barrel (4508, 5404) movably coupled within the body (4502, 5402) and comprising a piercing edge configured to pierce through the reagent reservoir seal thereby allowing communication between the solution reservoir (4524, 5420) and the reagent reservoir (4512, 5409); an activator (4510, 5410) coupled within the barrel, the barrel is arranged to be moved axially toward the dispensing reservoir tip (4504, 5406), the activator (4510, 5410) is movable through a shaft of the barrel to force the solution through the barrel shaft into the reagent reservoir (4512, 5409) where it mixes to form the specified amount of the reagent mixture, wherein the activator (4510, 5410) is further movable to force the reagent mixture out of the dispensing reservoir tip (4504, 5406), characterized in that the solution reservoir (4524, 5420) further contains a flushing gas, wherein by activation of the activator (4510, 5410) the means for dispensing comprises the flushing gas introduced into the dispensing reservoir tip to force the reagent mixture out of the dispensing reservoir tip. a body (4502, 5402); a reagent reservoir (4512, 5409) containing a reagent (4514, 5407), the reagent reservoir disposed within the body; a solution reservoir (4524, 5420) containing a solution (4528, 5421), the solution reservoir disposed within the body; a reagent reservoir seal (4522, 5432) extending over the reagent reservoir (4512, 5409), wherein the reagent reservoir seal (4522, 5432) separates the reagent reservoir (4512, 5409) from the solution reservoir (4524, 5420), a means for reconstituting the reagent into a specified amount of a reagent mixture; a dispensing reservoir tip (4504, 5406) coupled with the body, the dispensing reservoir tip sized and shaped to hold the specified amount of the reagent mixture; and a means (4511, 4525) for dispensing the reagent mixture from the dispensing reservoir tip, wherein the means for reconstituting the reagent and the means for dispensing the reagent mixture include: a barrel (4508, 5404) movably coupled within the body (4502, 5402) and comprising a piercing edge configured to pierce through the reagent reservoir seal thereby allowing communication between the solution reservoir (4524, 5420) and the reagent reservoir (4512, 5409); an activator (4510, 5410) coupled within the barrel, the barrel is arranged to be moved axially toward the dispensing reservoir tip (4504, 5406), the activator (4510, 5410) is movable through a shaft of the barrel to force the solution through the barrel shaft into the reagent reservoir (4512, 5409) where it mixes to form the specified amount of the reagent mixture, wherein the activator (4510, 5410) is further movable to force the reagent mixture out of the dispensing reservoir tip (4504, 5406), characterized in that a barrel (4508, 5404) movably coupled within the body (4502, 5402) and comprising a piercing edge configured to pierce through the reagent reservoir seal thereby allowing communication between the solution reservoir (4524, 5420) and the reagent reservoir (4512, 5409); an activator (4510, 5410) coupled within the barrel, the barrel is arranged to be moved axially toward the dispensing reservoir tip (4504, 5406), the activator (4510, 5410) is movable through a shaft of the barrel to force the solution through the barrel shaft into the reagent reservoir (4512, 5409) where it mixes to form the specified amount of the reagent mixture, wherein the activator (4510, 5410) is further movable to force the reagent mixture out of the dispensing reservoir tip (4504, 5406), characterized in that the solution reservoir (4524, 5420) further contains a flushing gas, wherein by activation of the activator (4510, 5410) the means for dispensing comprises the flushing gas introduced into the dispensing reservoir tip to force the reagent mixture out of the dispensing reservoir tip.