PREPARATION OF ISOLATED BIOMOLECULES FOR SFM OBSERVATIONS - BACTERIOPHAGE-T4 AS A TEST SAMPLE

被引:12
作者
DROZ, E [1 ]
TABORELLI, M [1 ]
WELLS, TNC [1 ]
DESCOUTS, P [1 ]
机构
[1] GLAXO INST MOLEC BIOL,GENEVA,SWITZERLAND
关键词
D O I
10.1016/S0006-3495(93)81174-3
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
The T4 bacteriophage has been used to investigate protocols for the preparation of samples for scanning force microscopy in air, in order to obtaining reproducible images. The resolution of images and the distribution of bacteriophages on the substrate depends on the buffer type, its concentration, the surface treatment of substrate, and the method of deposition. The best imaging conditions for the phages require dilution in a volatile buffer at low ionic strength and adsorption onto hydrophilic surfaces. When imaging with the scanning force microscopy the quality of the images is influenced by the vertical and lateral forces applied on the sample and by the tip geometry.
引用
收藏
页码:1180 / 1187
页数:8
相关论文
共 29 条
[1]   SCANNING TUNNELING MICROSCOPY OF DNA - A NOVEL TECHNIQUE USING RADIOLABELED DNA TO EVALUATE CHEMICALLY MEDIATED ATTACHMENT OF DNA TO SURFACES [J].
ALLISON, DP ;
WARMACK, RJ ;
BOTTOMLEY, LA ;
THUNDAT, T ;
BROWN, GM ;
WOYCHIK, RP ;
SCHRICK, JJ ;
JACOBSON, KB ;
FERRELL, TL .
ULTRAMICROSCOPY, 1992, 42 :1088-1094
[2]  
AMREIN M, 1992, SCANNING MICROSCOPY, V6, P335
[3]   NA,K-ATPASE IN CRYSTALLINE FORM INVESTIGATED BY SCANNING FORCE MICROSCOPY [J].
APELL, HJ ;
COLCHERO, J ;
LINDER, A ;
MARTI, O ;
MLYNEK, J .
ULTRAMICROSCOPY, 1992, 42 :1133-1140
[4]   PROTEIN IMAGES OBTAINED BY STM, AFM AND TEM [J].
ARAKAWA, H ;
UMEMURA, K ;
IKAI, A .
NATURE, 1992, 358 (6382) :171-&
[5]   SCANNING TUNNELING MICROSCOPY OF NUCLEIC-ACIDS AND POLYNUCLEOTIDES [J].
ARSCOTT, PG ;
BLOOMFIELD, VA .
ULTRAMICROSCOPY, 1990, 33 (02) :127-131
[6]   DETERMINATION OF SURFACE-TOPOGRAPHY OF BIOLOGICAL SPECIMENS AT HIGH-RESOLUTION BY SCANNING TUNNELLING MICROSCOPY [J].
BARO, AM ;
MIRANDA, R ;
ALAMAN, J ;
GARCIA, N ;
BINNIG, G ;
ROHRER, H ;
GERBER, C ;
CARRASCOSA, JL .
NATURE, 1985, 315 (6016) :253-254
[7]   GRAPHITE - A MIMIC FOR DNA AND OTHER BIOMOLECULES IN SCANNING TUNNELING MICROSCOPE STUDIES [J].
CLEMMER, CR ;
BEEBE, TP .
SCIENCE, 1991, 251 (4994) :640-642
[8]  
CLEMMER CR, 1992, SCANNING MICROSCOPY, V6, P319
[9]   STUDIES ON STRUCTURE, PROTEIN-COMPOSITION AND ASSEMBLY OF NECK OF BACTERIOPHAGE-T4 [J].
COOMBS, DH ;
EISERLING, FA .
JOURNAL OF MOLECULAR BIOLOGY, 1977, 116 (03) :375-405
[10]   BIOLOGICAL APPLICATIONS OF SCANNING PROBE MICROSCOPES [J].
ENGEL, A .
ANNUAL REVIEW OF BIOPHYSICS AND BIOPHYSICAL CHEMISTRY, 1991, 20 :79-108