Table 3: value of amino acids on different surfactant modified surfaces: data is extracted from references [68].

Amino acids values with chromatographic systems

L-Histidine = 0.93 (S8, M44), = 0.92 (S17, M44), = 0.88 (S20, M44),
= 0.97 (S8, M45), = 0.94 (S17, M45), = 0.89 (S20, M45),
= 0.95 (S8, M46), = 0.90 (S17, M46), = 0.88 (S20, M46),
= 0.67 (S3, M47), = 0.68 (S4, M47), = 0.62 (S5, M47),
= 0.60 (S6, M47), = 0.67 (S7, M47), = 0.64 (S9, M47),
= 0.72 (S10, M47), = 0.65 (S13, M47), = 0.71 (S14, M47),
= 0.63 (S18, M47), = 0.66 (S19, M47), = 0.94 (S11, M48),
= 0.96 (S12, M48), = 0.95 (S15, M48), = 0.95 (S16, M48),
= 0.55 (S21, M48), = 0.56 (S22, M48), = 0.63 (S23, M48),
= 0.66 (S24, M48)

DL-Phenylalanine = 0.68 (S3, M47), = 0.82 (S4, M47), = 0.82 (S5, M47),
= 0.82 (S6, M47), = 0.76 (S7, M47), = 0.64 (S9, M47),
= 0.75 (S10, M47), = 0.74 (S13, M47), = 0.80 (S14, M47),
= 0.84 (S18, M47), = 0.85 (S19, M47)

L-Phenylalanine = 0.77 (S8, M44), = 0.80 (S17, M44), = 0.74 (S20, M44),
= 0.96 (S8, M45), = 0.85 (S17, M45), = 0.78 (S20, M45),
= 0.82 (S8, M46), = 0.82 (S17, M46), = 0.75 (S20, M46),
= 0.76 (S11, M48), = 0.77 (S12, M48), = 0.72 (S15, M48),
= 0.78 (S16, M48), = 0.53 (S21, M48), = 0.69 (S22, M48),
= 0.56 (S23, M48), = 0.61 (S24, M48)

DL-Tryptophan = 0.80 (T) (S3, M47), = 0.90 (S4, M47), = 0.90 (S5, M47),
= 0.90 (S6, M47), = 0.89 (S7, M47), = 0.75 (S9, M47),
= 0.87 (S10, M47), = 0.71 (S13, M47), = 0.88 (S14, M47),
= 0.89 (S18, M47), = 0.89 (S19, M47)

L-Tryptophan = 0.86 (S11, M48), = 0.87 (S12, M48), = 0.88 (S15, M48),
= 0.90 (S16, M48), = 0.54 (S21, M48), = 0.65 (S22, M48),
= 0.38 (S23, M48), = 0.57 (S24, M48)

DL-Methionine = 0.78 (T) (S3, M47), = 0.86 (S4, M47), = 0.86 (S5, M47),
= 0.86 (S6, M47), = 0.91 (S7, M47), = 0.83 (S9, M47),
= 0.79 (S10, M47), = 0.78 (S13, M47), = 0.81 (S14, M47),
= 0.84 (S18, M47), = 0.85 (S19, M47)

L-Lysine = 0.92 (S8, M44), = 0.91 (S17, M44), = 0.96 (S20, M44),
= 0.96 (S8, M45), = 0.94 (S17, M45), = 0.95 (S20, M45),
= 0.96 (S8, M46), = 0.92 (S17, M46), = 0.95 (S20, M46),
= 0.60 (S3, M47), = 0.77 (S4, M47), = 0.56 (S5, M47),
= 0.55 (S6, M47), = 0.67 (S7, M47), = 0.63 (S9, M47),
= 0.71 (S10, M47), = 0.58 (S13, M47), = 0.69 (S14, M47),
= 0.59 (S18, M47), = 0.60 (S19, M47), = 0.95 (S11, M48),
= 0.89 (S12, M48), = 0.70 (S15, M48), = 0.84 (S16, M48),
= 0.64 (S21, M48), = 0.63 (S22, M48), = 0.65 (S23, M48),
= 0.66 (S24, M48)

DL-Threonine = 0.90 (S3, M47), = 0.92 (S4, M47), = 0.86 (S5, M47),
= 0.86 (S6, M47), = 0.97 (S7, M47), = 0.81 (S9, M47),
= 0.94 (S10, M47), = 0.86 (S13, M47), = 0.94 (S14, M47),
= 0.90 (S18, M47), = 0.88 (S19, M47)

L-Threonine = 0.89 (S11, M48), = 0.93 (S12, M48), = 0.88 (S15, M48),
= 0.91 (S16, M48), = 0.30 (S21, M48), = 0.35 (S22, M48),
= 0.34 (S23, M48), = 0.38 (S24, M48)

L-Leucine = 0.84 (S8, M44), = 0.82 (S17, M44), = 0.79 (S20, M44),
= 0.82 (S8, M45), = 0.80 (S17, M45), = 0.74 (S20, M45),
= 0.83 (S8, M46), = 0.84 (S17, M46), = 0.81 (S20, M46),
= 0.80 (S3, M47), = 0.77 (S4, M47), = 0.84 (S5, M47),
= 0.83 (S6, M47), = 0.85 (S7, M47), = 0.80 (S9, M47),
= 0.87 (S10, M47), = 0.75 (S13, M47), = 0.85 (S14, M47),
= 0.79 (S18, M47), = 0.85 (S19, M47), = 0.71 (S11, M48),
= 0.75 (S12, M48), = 0.70 (S15, M48), = 0.76 (S16, M48),
= 0.69 (S21, M48), = 0.64 (S22, M48), = 0.63 (S23, M48),
= 0.72 (S24, M48)

D-Leucine = 0.84 (T) (S3, M47), = 0.84 (S4, M47), = 0.81 (S5, M47),
= 0.81 (S6, M47), = 0.83 (S7, M47), = 0.81 (S9, M47),
= 0.84 (S10, M47), = 0.76 (S13, M47), = 0.83 (S14, M47),
= 0.79 (S18, M47), = 0.83 (S19, M47)

DL-Isoleucine = 0.79 (T) (S3, M47), = 0.79 (S4, M47), = 0.78 (S5, M47),
= 0.78 (S6, M47), = 0.87 (S7, M47), = 0.79 (S9, M47),
= 0.79 (S10, M47), = 0.73 (S13, M47), = 0.80 (S14, M47),
= 0.68T (S18, M47), = 0.80 (S19, M47)

L-Isoleucine = 0.67 (S11, M48), = 0.70 (S12, M48), = 0.72 (S15, M48),
= 0.69 (S16, M48), = 0.74 (S21, M48), = 0.76 (S22, M48),
= 0.76 (S23, M48), = 0.77 (S24, M48),

L-Norleucine = 0.77 (S8, M44), = 0.71 (S17, M44), = 0.77 (S20, M44),
= 0.80 (S8, M45), = 0.75 (S17, M45), = 0.81 (S20, M45),
= 0.77 (S8, M46), = 0.77 (S17, M46), = 0.79 (S20, M46),
= 0.73 (S11, M48), = 0.75 (S12, M48), = 0.73 (S15, M48),
= 0.73 (S16, M48), = 0.71 (S21, M48), = 0.76 (S22, M48),
= 0.74 (S23, M48), = 0.76 (S24, M48)

DL-Valine = 0.76 (S3, M47), = 0.90 (S4, M47), = 0.75 (S5, M47),
= 0.74 (S6, M47), = 0.85 (S7, M47), = 0.89 (S9, M47),
= 0.85 (S10, M47), = 0.78 (S13, M47), = 0.84 (S14, M47),
= 0.83 (S18, M47), = 0.83 (S19, M47)

L-Valine = 0.82 (S11, M48), = 0.80 (S12, M48), = 0.85 (S15, M48),
= 0.80 (S16, M48), = 0.75 (S21, M48), = 0.66 (S22, M48),
= 0.62 (S23, M48), = 0.79 (S24, M48)

L-Proline = 0.84 (S8, M44), = 0.77 (S17, M44), = 0.80 (S20, M44),
= 0.75 (S8, M45), = 0.76 (S17, M45), = 0.81 (S20, M45),
= 0.76 (S8, M46), = 0.74 (S17, M46), = 0.77 (S20, M46),
= 0.72 (S11, M48), = 0.77 (S12, M48), = 0.73 (S15, M48),
= 0.75 (S16, M48), = 0.75 (S21, M48), = 0.70 (S22, M48),
= 0.69 (S23, M48), = 0.66 (S24, M48)

Glutamic acid = 0.95 (S8, M44), = 0.96 (S17, M44), = 0.95 (S20, M44),
= 0.95 (S8, M45), = 0.96 (S17, M45), = 0.94 (S20, M45),
= 0.92 (S8, M46), = 0.95 (S17, M46), = 0.96 (S20, M46),
= 0.93 (S11, M48), = 0.97 (S12, M48), = 0.88 (S15, M48),
= 0.94 (S16, M48), = 0.25 (S21, M48), = 0.24 (S22, M48),
= 0.30 (S23, M48), = 0.17 (S24, M48)

L-Serine = 0.91 (S8, M44), = 0.93 (S17, M44), = 0.97 (S20, M44),
= 0.95 (S8, M45), = 0.92 (S17, M45), = 0.95 (S20, M45),
= 0.96 (S8, M46), = 0.96 (S17, M46), = 0.95 (S20, M46),
= 0.94 (S11, M48), = 0.97 (S12, M48), = 0.91 (S15, M48),
= 0.96 (S16, M48), = 0.40 (S21, M48), = 0.38 (S22, M48),
= 0.41 (S23, M48), = 0.49 (S24, M48)

L-Alanine = 0.90 (S8, M44), = 0.96 (S17, M44), = 0.95 (S20, M44),
= 0.96 (S8, M45), = 0.94 (S17, M45), = 0.95 (S20, M45),
= 0.96 (S8, M46), = 0.96 (S17, M46), = 0.90 (S20, M46),
= 0.97 (S11, M48), = 0.94 (S12, M48), = 0.95 (S15, M48),
= 0.91 (S16, M48), = 0.61 (S21, M48), = 0.65 (S22, M48),
= 0.62 (S23, M48), = 0.56 (S24, M48)

L-Tyrosine = 0.94 (S8, M44), = 0.94 (S17, M44), = 0.96 (S20, M44),
= 0.87 (S8, M45), = 0.94 (S17, M45), = 0.93 (S20, M45),
= 0.97 (S8, M46), = 0.95 (S17, M46), = 0.94 (S20, M46),
= 0.94 (S11, M48), = 0.92 (S12, M48), = 0.93 (S15, M48),
= 0.94 (S16, M48), = 0.60 (S21, M48), = 0.69 (S22, M48),
= 0.49 (S23, M48), = 0.57 (S24, M48)

L-Arginine = 0.95 (S11, M48), = 0.89 (S12, M48), = 0.95 (S15, M48),
= 0.92 (S16, M48), = N.D (S21, M48), = N.D (S22, M48),
= 0.64 (S23, M48), = 0.56 (S24, M48)