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Produced by the MRC Biophysics Research Unit/Department of Biophysics, King's College London.

King's College London Department of Biophysics

KCL Department of Biophysics: glass and acetate slides ('quarter plates', 'whole plates' and 'half plates') relating to the work of the Medical Research Council (MRC) Biophysics Research Unit (KCL Department of Biophysics from 1964)

KCL Department of Biophysics: quarter plate series: slides of images relating to research conducted in the Biophysics Unit and subsequently Department of Biophysics

Photographic image referenced as a "Reflecting Microscope"

Photographic image referenced as "Reflecting Microscope"

Graph referenced as "Absorption spectra of purines, pyrimidines and nucleic acids"

Graph referenced as "Microphotometer recordings of thymine spectrum at room temperature and at 90 k [Kelvin]"

Schematic diagram referenced as "Absorption cell for low temperature studies"

Schematic diagram referenced as "Ultraviolet achromatic refraction objective 1.24 NA [numerical aperture]"

Diagram referenced as "Middle piece and tail of a ram spermatozoa"

Diagram referenced as "Head structure of ram spermatozoa"

Diagram referenced as "Circular scales for angle measurements"

Diagram referenced as "Circular dial 1-100"

Printed diagram referenced as "Generalized drawing of mammalian sperm"

Printed diagram captioned as "Drawings of different mammalian sperms"

Printed diagram of a transverse section of seminiferous tubule in a mammal referenced as "Mammalian sperm heads"

Printed diagram captioned as "Drawing of the stages of spermatogenesis in mammals"

Printed diagram captioned as "Drawing of the stages of spermatogenesis in guinea pigs"

Printed graph referenced as "Ethyl-alcohol in CCl4 [carbon chloride] layer 1mm (1-3) and 5mm (4-6)"

Printed graph referenced as "absorption spectrum of methyl alcohol in carbon tetrachloride solutions"

Table captioned as "Fine structure in ultra-violet absorption spectra of some purines, pyrimidines, amino acids, nucleosides etc. "

Microscopic image of cellular structure [no reference]

Ultra-violet absorption spectra image and path length recordings referenced as "Ultra-violet absorption spectra of para and ortho substituted phenols"

Ultra-violet absorption spectra and path length recordings referenced as "Ultra-violet absorption spectra of pyridine bases"

Ultra-violet absorption spectra image and path length recordings referenced as "The effect on the ultra-violet absorption spectrum of substituting an octyl group in the othro position to a hydroxyl group"

Microscope image referenced as "Effect of ultrasonics upon mitosis sticky chromosome bridges"

Graph showing ultra-violet absorption curves relating to the effect of ultrasonics on nucleic acids referenced as "Effect of ultrasonics in nucleic acids. U.V. Absorption curves"

Copy of J M M Pinkerton's paper, "On the Pulse Method of Measuring Ultrasonic Absorption in Liquids" in Proceedings of the Physical Society, Section B, Volume 62, Number 5, 1949.

Series of microscopic images of Tobacco Mosaic Virus (TMV) crystals referenced as "TMV crystals"

Photograph referenced as "Mechanical parts of reflecting objective"

Microscope image referenced as "Autoradiography of newt cells"

Copy of a photographic print referenced as "Accelerated flow method for rapid reactions"

Copy of a photographic print referenced as "Accelerated flow apparatus and amplifier"

Copy of a photographic print referenced as "Accelerated flow apparatus"

Graph referenced as "Ultra-violet absorption spectrum of nuclear sap"

Copy of a photographic print referenced as "Cassor double beam oscilloscope. Chassis from underneath"

Graph referenced as "Micro-photometer record across chick fibroblast and wedge"

Photographic image referenced as "Phase annali"

Microscopic image referenced as "Ferric oxide solution X13,000"

Microscopic image referenced as "Wyoming Bentonite. Large particle size x 13000"

Microscopic image referenced as "Wyoming Bentonite. Small particle size E.S.D. 15-20 mp"

Copy of a printed table of the structural data of minerals in clay referenced as "Structural data of minerals (Clay)"

Microscope image referenced as "Autoradiograph 28 day exposure"

Microscope image referenced as "Autoradiograph, newt normal 20 days"

Microscope image referenced as "Autoradiograph 5 days"

Microscopic image referenced as "Vanadium pentoxide solution aged x13,000"

Microscopic image referenced as "Vanadium pentoxide solution fresh x13,000"

Table referenced as "Reflecting objectives 0.18"

Photographic image referenced as "Interferogram 0.79 N.A. [numerical aperture] 33% [central obstruction] 0.21"

Photographic image referenced as "Interferogram 0.54 N.A. [numerical aperture] 35% [central obstruction] 0.24"

Photographic image referenced as "Tobacco mosaic virus (T.M.V.) 7 Interchanging bands"

Photographic image referenced as "Tobacco mosaic virus (T.M.V.) 12 Helical contour"

Schematic diagram referenced as "Amici component N.A. [numerical aperture] 1.4"

Microscopic image of unknown cellular structure [no reference].

Hand-drawn graph referenced as "Absorption curves for two constituents of chick fibroblast in tissue culture"

Diagram referenced as "Measuring grid"

Microscopic image referenced as "Mitotic cells in a chick"

Diagram referenced as "Microphotometer dial"

Schematic diagram referenced as "Diagram of apparatus. Optical paths"

Copy of a printed diagram of extinction curves in the ultraviolet absorption spectrum referenced as "Extinction curves"

Schematic diagram referenced as "Clocking system. Exposure times"

Graph referenced as "Microphotometer trace through a living cell"

Graph referenced as "Microphotometer trace at 312. Irradiation nuclei"

Graph referenced as "Microphotometer trace at 265. Irradiation nuclei"

Graph referenced as "Measurement of absorption in irradiated cells"

Graph referenced as "Measurements of absorption of a living irradiated cell"

Schematic diagram referenced as "Optical paths in apparatus"

Graph showing ultra-violet absorption curve referenced as "Extractions from bean root tips"

Graph referenced as "Ultra-violet absorption curve of in vitro and in root lip extract"

Diagram referenced as "Generalized diagram of mammalian sperm"

Diagram referenced as "Diagram of head of ram sperm"

Diagram referenced as "Diagram of middle piece transverse section R.S. 7"

Diagram referenced as "Diagram of middle piece of ram sperm. Longitudinal section"

Diagram referenced as "Diagram of head of ram sperm. Cross sections through tail and fibrils"

Diagram referenced as "Diagram of head of ram sperm showing axes of symmetry"

Microscope image referenced as "Ram spermatozoa paper. Plate I"

Microscope image referenced as "Ram spermatozoa paper. Plate II"

Microscope image referenced as "Ram spermatozoa paper. Plate III"

Microscope image referenced as "Ram spermatozoa paper. Plate IV"

Microscope image referenced as "Ram spermatozoa paper. Plate V"

Microscope image referenced as "Ram spermatozoa paper. Plate VI"

Graph relating to DNA research from Donald Marvin's pHD thesis referenced as "Marvin Thesis (Diagrams)"

Histogram relating to C-type DNA referenced as "C Transform"

Electron microscope image referenced as "Coli ribosome e.m."

Diagram referenced as "DNA model stereochemistry"

Copy of a printed photographic image and drawn diagram of DNA structure referenced as "T. DNA Structure"

Copy of a printed microscope image referenced as "T. Plasmolysis"

Copy of a printed diagram referenced as "T. Daniellis permeability mechanism"

Copy of a printed diagram referenced as "T. Phage"

Copy of a printed diagram of a microscope image referenced as "T. Liver"

Copy of a printed diagram of a number of different microscope images referenced as "T. Differentiated cells"

Copy of a printed diagram of a drawing referenced as "T. Meiosis"

Copy of a printed diagram referenced as "T. Bacterial transformation"

Copy of a printed microscope image referenced as "T. Hooke's drawings"

Copy of a printed drawing referenced as "T. Salivary chromosomes maps"

Copy of a printed microscope image and drawings referenced as "T. Mitosis"

Microscope image referenced as "Cell shearing"

X-ray diffraction exposure of RNA referenced as "CB5 Versene treated S-RNA. 2100"

X-ray diffraction exposure of DNA referenced as "Weiss denatured DNA. (Pref 1.) 2111"

X-ray diffraction exposure of RNA referenced as "Zubay & Brown S-RNA and AA 92% [relative humidity] 1626"

X-ray diffraction exposure of RNA referenced as "Cox Li RNA 57% [relative humidity] 2222"

X-ray diffraction exposure of RNA referenced as "Cox Li RNA 92% [relative humidity] 2232"

X-ray diffraction exposure of RNA referenced as "Cox Li RNA 75% [relative humidity] 2227"

X-ray diffraction exposure of RNA referenced as "Comparison of X-RNA pattern at high and low humidities"

X-ray diffraction exposure of RNA referenced as "Old RNA pattern"

X-ray diffraction exposure of DNA referenced as "Denatured DNA. 2199"

Composite of x-ray diffraction exposures of RNA and DNA referenced as "Composite versene S-RNA Weiss DNA"

X-ray diffraction exposure of DNA referenced as "S-DNA 2097"

Diagram of a molecular model of A-type DNA referenced as "DNA A Model"

Copy of a printed table referenced as "Hydrogen bonds about-NH3+"

Copy of a printed graph referenced as "Observed H-bond angles for 3 common acceptor groups"

Copy of a printed graph referenced as "Variation of H-bond length with donor and acceptor groups"

Diagram of a Fourier map of DNA referenced as "DNA A l=0 sector"

Diagram of a Fourier map of DNA referenced as "DNA A l=1 sector"

Diagram of a Fourier map of DNA referenced as "DNA A l=2 sector"

Diagram of a Fourier map of DNA referenced as "DNA A l=3 sector"

Diagram of a Fourier map of DNA referenced as "DNA A l=4 sector"

Diagram of a Fourier map of DNA referenced as "DNA A l=5 sector"

Drawing of a molecular model of polylysine referenced as "Polylysine model"

Histogram relating to A-type DNA referenced as "DNA A Intensities and calculated transform"

Diagram referenced as "Nucleoprotamine model"

X-ray diffraction exposure of RNA referenced as "2212 S.RNA"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "Li B' DNA X ray 10% EDTA"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "Li B' DNA X ray 7% EDTA + 2% Cu"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "Li B' DNA X-ray 5.5% EDTA + CuCl2"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "Li B' DNA X-ray 5.5% EDTA + 4 days on brass"

Diagram of an electron-density map referenced as "Juinal 3-D E.D. distribution of epi-limonol iodoacetate"

Diagram of an electron-density map referenced as "Intermediate 3-D E.D distribution for epi-limonol iodoacetate"

Diagram of an electron-density map referenced as "Electron density projection for epi-limonol iodoacetate"

Diagram referenced as "Line figures showing C-axis projection of the 4 mols. of epi-limonol iodoacetate unit cell"

Diagram referenced as "Stereochemistry of epi-limonol iodoacetate"

Copy of a printed diagram referenced as "The structure of phthalocyanine"

Copy of a printed photograph referenced as "A simple crystal rotation photograph"

Copy of a printed photograph referenced as "A simple crystal precession photograph"

Diagram captioned as "Project electron density distributions in 4, 5-diamino-2-chloro-pyrimidine for various limits of resolution" Referenced as "The effect of data cut off on resolution in E.D. Fourier synthesis"

Diagram referenced as "E.D. [electron density ] distribution for Na (Benzylpenicillin)"

Diagram referenced as "E.D. [electron density] distribution in Vitamin B12"

Diagram captioned "Fourier Difference synthesis in the plane of the base pair for DNA Hoogsteen model" Referenced as "Fourier difference synthesis Li DNA (Hoogsteen)"

Diagram captioned as "Fourier Difference synthesis for Watson-Crick DNA conformation with base pair displaced along the diad axis"  Referenced as "Difference synthesis Li DNA (model 1)"

Copy of a printed diagram referenced as "Primary structure of nucleic acids"

Copy of a printed graph referenced as "Determination of sedimentation constant-calculation"

Copy of a printed diagram referenced as "Amino acid sequence of T.M.V."

Diagram referenced as "Replication of DNA. Possible schemes"

Graph referenced as "Sedimentation constant of proteins. Theoretical and experimental"

Graph referenced as "Density gradient. Separation of DNA samples"

Graph referenced as "Dependence of denaturation temperature on G-C content for various DNA samples"

Graph referenced as "Dependence of density on G-C content for various DNA samples"

Diagram referenced as "Relative dimensions of various proteins"

Graph referenced as "U.V. absorption changes on denaturation for various DNA samples"

Graph referenced as "Sucrose N Au extraction curve"

Electron microscope image referenced as "Haemanthus-interface"

Graph referenced as "Elrich 24 hrs p.i. u.v.v.D.M"

Graph referenced as "Sucrose N Individual. Extraction curves"

Table referenced as "Amount non-chrom[osome] protein"

Graph referenced as "H3-Thymidine in seminal vesicle"

Electron microscope image referenced as "H,sup>3-Thymidine in intestine E.M."

Electron microscope image referenced as "Sulphate in intestine E.M."

Electron microscope image referenced as "SO4 in intestine E.M."

Electron microscope image referenced as "Belanger"

Graph referenced as "Barnard"

Graph referenced as "Low rate in seminal vesicle"

Table referenced as "H3-Thymidine in seminal vesicle"

Table referenced as "Full rate and low rate"

An [autoradiograph] image referenced as "Licq and Pavan"

Graph referenced as "Messier and Leblond"

Table referenced as "Messier and Leblond"

X-ray diffraction exposure of RNA referenced as "RNA film 92% [relative humidity] 2841"

X-ray diffraction exposure of RNA referenced as "RNA film 2226"

X-ray diffraction exposure of RNA referenced as "RNA film 2429"

X-ray diffraction exposure of RNA referenced as "RNA film 2274"

X-ray diffraction exposure referenced as "X-ray photograph Film 3066"

X-ray diffraction exposure referenced as "X-ray photograph Film 3077"

X-ray diffraction exposure referenced as "X-ray photograph Film 2916"

X-ray diffraction exposure referenced as "X-ray photograph Film 3082"

X-ray diffraction exposure referenced as "X-ray photograph Film 3042"

X-ray diffraction exposure referenced as "X-ray photograph Film 3065"

X-ray diffraction exposure referenced as "X-ray photograph Film 3050"

X-ray diffraction exposure referenced as "X-ray photograph Film 3075"

X-ray diffraction exposure referenced as "X-ray photograph film 2256"

X-ray diffraction exposure of lithium (Li) salt B-type DNA referenced as "Li DNA B pattern"

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Graph relating to DNA research from Donald Marvin's pHD thesis referenced as "Marvin Thesis (Diagrams)"

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