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Hsieh M.-S.,Taipei Medical University Hospital | Hsieh M.-S.,Taipei Medical University | Hsieh M.-S.,Central University of Costa Rica | Wu T.-G.,General Life Biotechnology Co. | And 6 more authors.
Clinica Chimica Acta | Year: 2011

Background: An electrochemical based biosensor for hemoglobin measurement was developed as an alternative to the traditional optical method, and underwent testing for use in professional settings. Methods: The affects of samples' freshness, hemolysis, bilirubin on the electrochemical method, as well as the repeatability, precision and accuracy were studied, using optical method devices as references. Results: Samples were stored at room temperature or in a cold environment for 7. days, partially or completely hemolyzed samples, and samples containing bilirubin with a concentration of up to 150. mg/l were investigated with no effects for interfering studies. Repeatability of finger blood testings was verified with six consecutive tests on nine volunteers, results ranged from 3% to 8% variation. The test results of BeneCheck were correlated with Sysmex, Beckman Coulters, Cell-Dyn and HemoCue methods, the results have shown similar and 95% of test results were within a ± 15% bias. Conclusions: BeneCheck hemoglobin test system performed well and accurately, while requiring 1μl of blood sample and 10. s detection time. Based on the cost, accuracy, sample volume, measuring time, ease of viewing and portability, BeneCheck deliver the best characteristics for these purposes. © 2011 Elsevier B.V.

Hsieh M.-S.,Taipei Medical University | Wu T.-G.,General Life Biotechnology Co. | Su J.,General Life Biotechnology Co. | Cheng W.-J.,General Life Biotechnology Co. | And 2 more authors.
Analytical Letters | Year: 2011

The structure of vitamin B-12 with a cobalt ion in the center is similar to the structure of heme with an iron center in the hemoglobin. The suspicion that the presence of vitamin B-12 in venous blood samples caused interference in readings of hemoglobin levels when using the BeneCheck hemoglobin test system, an electrochemical based strip and meter, was investigated in this study. Venous blood samples with 5 mg/dL of vitamin B-12 induced a positive error of 13% in the hemoglobin measurement, while 10 mg/dL of vitamin B-12 caused a positive error of 30% in the hemoglobin measurement. However, 1 mg/dL of vitamin B-12, a concentration much higher than that of venous blood concentrations in patients under B-12 treatment, did not cause an error in the hemoglobin measurement. These results suggest that the BeneCheck hemoglobin test system is suitable for clinical application for patients under B-12 treatment because the dosage is below 1 mg/dL. © Taylor & Francis Group, LLC.

Cheng W.-J.,National Taiwan University | Cheng W.-J.,General Life Biotechnology Co. | Lin C.-W.,National Taiwan University | Wu T.-G.,General Life Biotechnology Co. | And 3 more authors.
Clinica Chimica Acta | Year: 2013

Background: Glucose oxidase biosensors are used in self-monitoring blood glucose concentrations. The capillary blood glucose quantitation requires a calibration curve. Due to the limitation in obtaining calibration curve from capillary blood, an alternate approach by using venous blood for neonatal measurement was investigated. Methods: A signal correlation between oxygen saturated venous blood and capillary blood was derived. The hematocrit effect was studied for different glucose concentrations. The calibrated glucose strips were validated by neonatal intensive care unit (NICU) samples. Results: A simple equation, finger blood signal=1.39 * (oxygen saturated venous blood signal) - 31.2 was derived. The rate of change in glucose concentration due to hematocrit effect was low in lower glucose concentration samples. The BeneCheck Glucose Strips were compared with Beckman Coulter analyzer by using 52 NICU samples. More than 95% of test results were within the variation of ± 10 mg/dl of bias and ± 15% of bias% when glucose concentration is <75 mg/dl and ≥ 75. mg/dl respectively. Conclusions: The BeneCheck Glucose Strips can be accurately calibrated with venous blood. The hematocrit effect can also be predicted. Based on this study, BeneCheck Blood Glucose Monitoring System can be suitable for neonatal glucose measurement. © 2012 Elsevier B.V.

General Life Biotechnology Co. | Date: 2011-04-14

Dietary and nutritional supplements; Complementary and Alternative Medicine (CAM) products, namely, diet products as complementary and alternative medicines for treating gastrointestinal diseases; Nutritional supplements in the form of powder, capsules or tablets; Amino acids for dietary, medical or veterinary purposes; Dietary supplements; Vitamin and mineral supplements; meal replacement bars; meal replacement powder; vitamins and mineral supplements.

General Life Biotechnology Co. | Date: 2011-12-16

(Based on Republic of China Registration No. 01491011) Blank floppy computer disks; Microprocessors; Computer monitors; Downloadable electronic publications in the nature of magazines in the field of healthcare; Computers; Computer software recorded on CD-ROM for setting up local area networks; Electronic chips for the manufacture of integrated circuits; Sound transmitting apparatus; portable telephones; Satellite navigational apparatus, namely, global positioning system, auto-testing system, self-diagnosis system; Intercommunication apparatus, namely, cellular telephones, walkie-talkies, mobile computer. (Based on Republic of China Registration No. 01491184) Droppers for administering medication, sold empty; Phials for administering medication by drops, sold empty; Testing apparatus for medical purposes, namely, blood testing apparatus, tissue testing apparatus; Syringes for medical purposes; Medical analysis apparatus for the diagnosis of cancers; Dental apparatus, namely, dental caps; Hypodermic syringes; Medical apparatus and instruments for use in clinical diagnosis; Ultrasonic medical diagnostic apparatus. (Based on Republic of China Registration No. 01483248) Medical nursing services; Hospitals; Telemedicine services; Pharmaceutical advice; Health care; Veterinary services; Medical clinics.

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