Polypeptide, adjacent 98
Polypeptide structure 118
Polyphenolic 101
Polyphenols 101, 102
flavanoid-based 103
tannin 113
Polypropylene 190, 195, 196
Polysaccharides 60, 62, 280
Polystyrene 185, 190, 192, 196, 197
Polyunsaturation 98
Polyurethane 192
elastomers 58
foams 187, 192, 199, 209
Polyvinylacetates 183
Porcelain 177
Porosity 177, 180, 215, 235,
244, 259
high 177, 215
low 177, 180
Porous 26, 175, 183, 184, 215
materials 243, 247
surface layers 158
systems 243, 244
Portland 214, 328
cement 243, 256
Portland Stone 214, 238
Potassium 45, 243, 248, 311
bichromate 107
carbonate 256
hypochlorites 45
permanganate 52
Pots 174
Pottery 24, 175, 180
Poultices 27, 232, 245, 260
Pourbaix diagram 136, 325
Powder 34, 140, 207
ground glass 177
Precipitates 43, 101, 166
iron oxide 145
Preservation 6–9, 72, 91, 133,
205, 209, 211, 229, 248,
308–310, 314, 317, 320, 323,
324, 328, 329
conditions 310
in situ 309
Pressures 44, 147, 154, 189, 195,
213, 215, 233, 244
extreme selective 226
partial 315
vapour 44, 202, 298, 306
Preventive conservation
approaches 30
measure 173
techniques 206
Proline 80, 96, 113
glutamic acid pyroglutamic acid
115
ring-structured imino acids 96
Protein 55, 60, 77, 82, 96, 97, 99,
111, 113, 252, 260
calcium-binding membrane
259
cell 234
chains 75, 80, 88, 97, 99, 102,
113, 115
adjacent 98
collagen 96, 118
component 89
denatured 118
extracted soluble 90
glues 77
keratin 85
long-chain 98
membrane 85
non-fibrous 106
Proteinaceous fibre 88
natural 85
Proteobacteria 277
Proteolytic
attack 111
enzyme resistant product 94
enzymes 83, 106, 111, 277
bacterial 93
Provenance 13, 174
Pselactus spadix 281
Pseudo-leathers 94, 101, 111
Pseudomonads 302
Pseudomonas sp. 233, 293
Pulp 36
material 245Subject Index 363