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Publications in 1972

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Estimation of the Concentration of Low-Density Lipoprotein Cholesterol in Plasma, Without Use of the Preparative Ultracentrifuge

A method for estimating the cholesterol content of the serum low-density lipoprotein fraction (Sf0-20) is presented. The method involves measurements of fasting plasma total cholesterol, triglyceride, and high-density lipoprotein cholesterol concentrations,...

Advanced Inorganic Chemistry

Since the second edition of this text, the literature in inorganic chemistry has continued to grow at an extremely rapid rate. The work has been characterised by increasing sophistication in the use of physical methods as well as in concepts and insights....

Human Problem Solving

Allen Newell, Herbert A. Simon

Apoptosis: A Basic Biological Phenomenon with Wide-ranging Implications in Tissue Kinetics

The term apoptosis is proposed for a hitherto little recognized mechanism of controlled cell deletion, which appears to play a complementary but opposite role to mitosis in the regulation of animal cell populations. Its morphological features suggest...

Statistical methods in medical research

The explanation and implementation of statistical methods for the medical researcher or statistician remains an integral part of modern medical research. This book explains the use of experimental and analytical biostatistics systems. Its accessible style...

Self—Consistent Molecular Orbital Methods. XII. Further Extensions of Gaussian—Type Basis Sets for Use in Molecular Orbital Studies of Organic Molecules

Two extended basis sets (termed 5–31G and 6–31G) consisting of atomic orbitals expressed as fixed linear combinations of Gaussian functions are presented for the first row atoms carbon to fluorine. These basis functions are similar to the 4–31G...

The Fluid Mosaic Model of the Structure of Cell Membranes

This chapter discusses the fluid mosaic model of the structure of cell membranes. The fluid mosaic model has evolved by a series of stages from earlier versions. Thermodynamic considerations about membranes and membrane components initiated, and are still...

Thermal radiation heat transfer

Robert Siegel, John R. Howell

The archaeology of knowledge

The archaeology of knowledge

MODIFICATION OF SEIZURE ACTIVITY BY ELECTRICAL STIMULATION: II. MOTOR SEIZURE

Daily electrical stimulations of the amygdala and hippocampus at intensities sufficient to evoke after-discharges (ADs) resulted in the development of motor seizures, which could not initially be evoked by these stimulations. The triggering of ADs was...

Optical Constants of the Noble Metals

Peter B. Johnson, Robert W. Christy

On the criteria to be used in decomposing systems into modules

This paper discusses modularization as a mechanism for improving the flexibility and comprehensibility of a system while allowing the shortening of its development time. The effectiveness of a “modularization” is dependent upon the criteria used in...

Use of the Hough transformation to detect lines and curves in pictures

Hough has proposed an interesting and computationally efficient procedure for detecting lines in pictures. This paper points out that the use of angle-radius rather than slope-intercept parameters simplifies the computation further. It also shows how...

On death and dying

Dr. J. Russell Little, Chief, Division of Infectious Disease, the Jewish Hospital of St. Louis and Associate Professor of Medicine and Microbiology, Washington University School of Medicine: Our guest this morning is Elisabeth Kubler-Ross, MD. Dr. Ross...

Equilibrium constants from a modified Redlich-Kwong equation of state

A modified Redlich-Kwong equation of state is proposed. Vapor pressures of pure com- pounds can be closely reproduced by assuming the parameter a in the original equation to be tempera- ture-dependent. With the introduction of the acentric factor as a...

Self-Perception Theory

Individuals come to “know” their own attitudes, emotions, and other internal states partially by inferring them from observations of their own overt behavior and/ or the circumstances in which this behavior occurs. Thus, to the extent that internal...

On the Assessment of Surface Heat Flux and Evaporation Using Large-Scale Parameters

In an introductory review it is reemphasized that the large-scale parameterization of the surface fluxes of sensible and latent heat is properly expressed in terms of energetic considerations over land while formulas of the bulk aerodynamic type are most...

Peptidoglycan types of bacterial cell walls and their taxonomic implications.

Full textFull text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (9.9M), or click on a page image below to browse page by page. 407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477Images...

DEPTH-FIRST SEARCH AND LINEAR GRAPH ALGORITHMS*

The value of depth-first search or “backtracking” as a technique for solving problems is illustrated by two examples. An improved version of an algorithm for finding the strongly connected components of a directed graph and at algorithm for finding...

Subjective Probability: A Judgment of Representativeness

This paper explores a heuristic— representativeness —according to which the subjective probability of an event, or a sample, is determined by the degree to which it: ( i ) is similar in essential characteristics to its parent population; and ( ii...

THE AGENDA-SETTING FUNCTION OF MASS MEDIA

Maxwell E. McCombs, Donald L. Shaw

Colorimetric assay of catalase

Principle. The method is based on the fact that clichromate in acetic acid is reduced to chromic acetate when heated in the presence of H,O,, with the formation of perchromic acid as an unstable intermediate. The chromic acetate thus produced i s measured...

Regulating the poor : the functions of public welfare

Frances Fox Piven, Richard A. Cloward

Fluorescamine: A Reagent for Assay of Amino Acids, Peptides, Proteins, and Primary Amines in the Picomole Range

Fluorescamine is a new reagent for the detection of primary amines in the picomole range. Its reaction with amines is almost instantaneous at room temperature in aqueous media. The products are highly fluorescent, whereas the reagent and its degradation...

The theory of parsing, translation, and compiling

From volume 1 Preface (See Front Matter for full Preface)This book is intended for a one or two semester course in compiling theory at the senior or graduate level. It is a theoretically oriented treatment of a practical subject. Our motivation for making...

WHAT IS BEAUTIFUL IS GOOD

Karen K. Dion, Ellen Berscheid, Elaine Hatfield

Maximum-likelihood sequence estimation of digital sequences in the presence of intersymbol interference

A maximum-likelihood sequence estimator for a digital pulse-amplitude-modulated sequence in the presence of finite intersymbol interference and white Gaussian noise is developed, The structure comprises a sampled linear filter, called a whitened matched...

Nonchromosomal Antibiotic Resistance in Bacteria: Genetic Transformation of Escherichia coli by R-Factor DNA

Transformation of E. coli cells treated with CaCl2 to multiple antibiotic resistance by purified R-factor DNA is reported. Drug resistance is expressed in a small fraction of the recipient bacterial population almost immediately after uptake of DNA, but...

Optimal Control of Systems Governed by Partial Differential Equations.

D. L. Russell, Jacques Louis Lions, Sanjoy K. Mitter

Analysis of Macromolecular Polydispersity in Intensity Correlation Spectroscopy: The Method of Cumulants

The first order electric fieldcorrelation function of laser light scattered by polydisperse solutions of macromolecules can be written as a sum or distribution of exponentials, with decay rates proportional to the diffusion coefficients of the solute...

Algorithms for minimization without derivatives

Algorithms for minimization without derivatives

An algorithm for linearly constrained adaptive array processing

A constrained least mean-squares algorithm has been derived which is capable of adjusting an array of sensors in real time to respond to a signal coming from a desired direction while discriminating against noises coming from other directions. Analysis...

Active Tectonics of the Mediterranean Region

Summary Examination of more than 100 fault plane solutions for earthquakes within the Alpide belt between the Mid-Atlantic ridge and Eastern Iran shows that the deformation at present occurring is the result of small continental plates moving away from...

Illustrated genera of imperfect fungi

Index en langue anglaise des principales maladies des plantes. Description des symptomes et des traitements.

A CONTROLLED TRIAL OF ANTEPARTUM GLUCOCORTICOID TREATMENT FOR PREVENTION OF THE RESPIRATORY DISTRESS SYNDROME IN PREMATURE INFANTS

A controlled trial of betamethasone therapy was carried out in 282 mothers in whom premature delivery threatened or was planned be- fore 37 weeks' gestation, in the hope of reducing the incidence of neonatal respiratory distress syn- drome by accelerating...

The autoradiographic demonstration of axonal connections in the central nervous system.

The autoradiographic demonstration of axonal connections in the central nervous system.

Understanding Natural Language

This paper describes a computer system for understanding English. The system answers questions, executes commands, and accepts information in an interactive English dialog.

The sampling theory of selectively neutral alleles

In this paper a beginning is made on the sampling theory of neutral alleles. That is, we consider deductive and subsequently inductive questions relating to a sample of genes from a selectively neutral locus. The inductions concern estimation, confidence...

Spectral characteristics of surface‐layer turbulence

SUMMARY The behaviour of spectra and cospectra of turbulence in the surface layer is described within the framework of similarity theory using wind and temperature fluctuation data obtained in the 1968 AFCRL Kansas experiments. With appropriate normalization,...

Sex‐Role Stereotypes: A Current Appraisal1

Inge K. Broverman, Susan Raymond Vogel, Donald M. Broverman, Frank E. Clarkson, Paul S. Rosenkrantz

The occurrence of superoxide anion in the reaction of reduced phenazine methosulfate and molecular oxygen

The reduction of nitro blue tetrazolium (NitroBT) with NADH mediated by phenazine methosulfate (PMS) under aerobic conditions was inhibited upon addition of superoxide dismutase. This observation indicated the involvement of superoxide aninon radical...

Fourier Descriptors for Plane Closed Curves

A method for the analysis and synthesis of closed curves in the plane is developed using the Fourier descriptors FD's of Cosgriff [1]. A curve is represented parametrically as a function of arc length by the accumulated change in direction of the curve...

Structured programming

In recent years there has been an increasing interest in the art of computer programming, the conceptual tools available for the design of programs, and the prevention of programming oversights and error. The initial outstanding contribution to our understanding...

Generalized Benders Decomposition

Generalized Benders Decomposition

State-Space and Multivariable Theory

H. H. Rosenbrock, A. G. J. MacFarlane

Broadcast channels

We introduce the problem of a single source attempting to communicate information simultaneously to several receivers. The intent is to model the situation of a broadcaster with multiple receivers or a lecturer with many listeners. Thus several different...

Single units and sensation: a neuron doctrine for perceptual psychology?

Single units and sensation: a neuron doctrine for perceptual psychology?

Contextual Prerequisites for Understanding: Some Investigations of Comprehension and Recall.

The present paper presents a series of studies showing that relevant contextual knowledge is a prerequisite for comprehending prose passages. Four studies are reported, each demonstrating increased comprehension ratings and recall scores when Ss were...

World Dynamics

Jay W. Forrester, John Warfield

Theoretical Improvements in Algorithmic Efficiency for Network Flow Problems

This paper presents new algorithms for the maximum flow problem, the Hitchcock transportation problem, and the general minimum-cost flow problem. Upper bounds on the numbers of steps in these algorithms are derived, and are shown to compale favorably...

The Biologic Clock: The Mitochondria?

Patient AccessPatients and/or caregivers may access this content for use in relation to their own personal healthcare or that of a family member only. Terms and conditions will apply.

Large deformation isotropic elasticity - on the correlation of theory and experiment for incompressible rubberlike solids

Many attempts have been made to reproduce theoretically the stress-strain curves obtained from experiments on the isothermal deformation of highly elastic 'rubberlike' materials. The existence of a strain-energy function has usually been postulated, and...

Localization of the glial fibrillary acidic protein in astrocytes by immunofluorescence

The glial fibrillary acidic (GFA) protein, a brain specific protein extracted from severely gliosed human tissue, is not species specific; cross-reaction occurs between anti-human GFA protein antibodies and brain extracts of rabbit, guinea pig, rat and...

The Use of Fluorescein Diacetate and Phenosafranine for Determining Viability of Cultured Plant Cells

Various stains were tested with suspension cell cultures of Nicotiana tabacum (tobacco), Oryza sativa (rice), Glycine max (soybean), Daucus carota (carrot) and Lycopersicon esculentum (tomato). A drop of the culture medium containing each dye was mixed...

Mixed connective tissue disease-an apparently distinct rheumatic disease syndrome associated with a specific antibody to an extractable nuclear antigen (ENA)

We describe the clinical and serologic findings in twenty-five patients with an apparently distinct rheumatic disease syndrome which we have termed mixed connective tissue disease. All these patients had hemagglutinating antibody to an extractable nuclear...

Positronium Annihilation in Molecular Substances

The behavior of the Ps atom in molecular substances, particularly liquids, is investigated. The pickoff rates of o‐Ps in various liquid compounds are found to have a simple empirical relationship to the values of the surface tension of the liquids....

Deformation of the Earth by surface loads

Deformation of the Earth by surface loads

Some Computer Organizations and Their Effectiveness

A hierarchical model of computer organizations is developed, based on a tree model using request/service type resources as nodes. Two aspects of the model are distinguished: logical and physical. General parallel- or multiple-stream organizations are...

Some Ecological Consequences of a Computer Model of Forest Growth

Daniel B. Botkin, James F. Janak, James R. Wallis

Collagen substrata for studies on cell behavior.

A simple technique is described for the preparation of collagen substrata containing 0 1% of collagen by weight, in the form of native bundles with a 640 A period, the substrata are similar in these respects to soft-tissue matrices These...

Description of Global-Scale Circulation Cells in the Tropics with a 40–50 Day Period

Long time series (5–10 years) of station pressure and upper air data from stations located in the tropics are subjected to spectral and cross-spectral analysis to investigate the spatial extent of a previously detected oscillation in various variables...

The dependability of behavioral measurements : theory of generalizability for scores and profiles

Philip R. Merrifield, Lee J. Cronbach, Goldine C. Gleser, Harinder Nanda, Nageswari Rajaratnam

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