
Briefing & Learning Time
Authored by qc dbi
Chemistry
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Hubungan linear antara absorbansi dengan konsentrasi larutan disebut hukum?
Hukum Newton I
Hukum Lambert Beer
Kinetika Reaksi
Hukum Pascal
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
BCA Assay mengukur konsentrasi protein total dalam suatu sampel dengan cara
Protein mengoksidasi Cu+ menjadi Cu2+ dalam suasana asam membentuk senyawa kompleks stabil
Molekul BCA bereaksi dengan ion hidroksida membentuk senyawa alkaloid
Protein mereduksi Cu2+ menjadi Cu+ dalam suasana alkali membentuk senyawa kompleks stabil
Semua jawaban salah
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Panjang gelombang yang dipilih untuk analisis konsentrasi total protein menggunakan metode BCA Assay
280 nm
450 nm
562 nm
400 nm
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Pada laboratorium QC dilakukan pengujian pada suatu produk secretome menggunakan metode BCA Assay. Hasil menunjukkan konsentrasi protein dalam produk sebesar 870 ug/mL. Berdasarkan Analytical Suitability, apakah produk secretome tersebut dapat diterima?
Diterima
Ditolak
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Konsentrasi kurva standar dalam pengujian total protein content dengan BCA Assay antara lain
(100;150;200;250;300)ug/mL
(25;50;75;100;150) ug/mL
(200;300;400;500;600) ug/mL
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Analytical suitability untuk pengujian Total protein content menggunakan metode BCA Assay yaitu
Linearity of Standard Curve(R2) ≥ 0,98
Coefficient of Variation(%CV) ≤ 20%
Linearity of Standard Curve(R2) ≥ 0,95
Coefficient of Variation(%CV) ≤ 10%
Linearity of Standard Curve(R2) ≥ 0,95
Coefficient of Variation(%CV) ≤ 20%
Linearity of Standard Curve(R2) ≥ 0,98
Coefficient of Variation(%CV) ≤ 10%
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Reagent B dalam Pierce BCA Protein Assay Kit merupakan
Tembaga(II)Sulfat
Bicinchoninic Acid
Asam Karbonat
Tembaga Hidroksida
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