Carbenicillin is an ampicillin analog with structure related to benzyl penicillin. It is effective against Gram-negative bacteria and exhibits limited activity against Gram-positive bacteria. Carbenicillin binds and inhibits the enzymes involved in the synthesis of bacterial cell wall. Since carbenicillin is less sensitive to β-lactamases than ampicillin, it is effective against ampicillin-resistant bacteria. It has … Read more
Chelation Medium Preparation To prepare 1L of Chelation Medium the following components are required. Component Amount Concentration NaCl (mw: 58.44 g/mol) 40.9 g 0.7 M MgCl2·6H2O (mw: 203.3 g/mol) 6.1 g 0.03 M MgSO4·7H2O (mw: 246.47 g/mol) 7.39 g 0.03 M KCl (mw: 74.55 g/mol) 1.49 g 0.02 M EGTA (mw: 380.35 g/mol) 7.6 g … Read more
Acrylamide Stock Solution Preparation Application: Acrylamide is used along with bisacrylamide to form gels used in SDS-PAGE. Acrylamide forms polyacrylamide polymers, while bisacrylamide crosslinks between polyacrylamide chains. To prepare 1L of Acrylamide Stock Solution the following components are required; Component Amount Concentration acrylamide (mw: 71.08 g/mol) 389.6 g 5.481 M bisacrylamide (mw: 154.17 g/mol) 10.4 … Read more
pH Buffer solution A pH buffer or hydrogen ion buffer is defined as an aqueous solution that is composed of a mixture of a weak acid and its conjugate base, or vice versa. In addition of a small amount of strong acid or base, it shows very little changes in pH. pH buffer is mainly … Read more
ACK Lysis Buffer Preparation ACK Lysis Buffer is used to lyse red blood cells. To prepare 1L of ACK Lysis Buffer the following components are required; Component Amount Concentration NH4Cl (mw: 53.49 g/mol) 8.02 g 0.15 M KHCO3 (mw: 100.12 g/mol) 1 g 0.01 M Na2EDTA (mw: 372.24 g/mol) 37 mg 0.0001 M ACK Lysis … Read more
Calcium Chloride Stock Solution Preparation Calcium chloride is a common calcium salt used in a variety of applications. To prepare 1L of Calcium Chloride Stock Solution the following components are required. Component Amount Concentration CaCl2 (mw: 110.98 g/mol) 58 g 0.5226 M Preparation procedure Prepare 800 mL of distilled water in a suitable container. Add … Read more
Bath Solution Preparation To prepare 1L of Bath Solution (Ca2+/Mg2+ Free) the following components are required; Component Amount Concentration KOH (mw: 56.11 g/mol) 7.854 g 0.14 M HEPES (mw: 238.3 g/mol) 4.766 g 0.02 M KCl (mw: 74.55 g/mol) 149 mg 0.002 M EGTA (mw: 380.35 g/mol) 1.902 g 0.005 M Methanesulfonic acid (mw: 96.11 … Read more
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