CiteWeb

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Publications in 1981

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Investigation of complex networks of spin-spin coupling by two-dimensional NMR

Proton-proton couplings in a sample of 9-hydroxytricyclodecan-2,Sdione were studied by the two-dimensional Fourier transform method proposed by Jeener. Various techniques were tested for reshaping the two-dimensional responses to remove the long dispersion-mode...

Rapid and efficient cosmid cloning

We present a procedure for cosmid cloning that allows rapid and efficient cloning of individual DNA fragments of between 32kb and 45kb. By appropriate treatment of the cloning vector, pJb8, we make left-hand and right-hand vector ends that are incapable...

Computer solution of large sparse positive definite systems

Joseph E. Pasciak, Alan George, Joseph W. H. Liu

Continuous state feedback guaranteeing uniform ultimate boundedness for uncertain dynamic systems

We consider a dynamic system containing uncertain elements. Only the set of possible values of these uncertainties is known. Based on this information a class of state feedback controls is proposed in order to guarantee uniform ultimate boundedness of...

[51] Assays for differentiation of glutathione S-Transferases

This chapter provides the spectrophotometric, titrimetric, nitrite, and cyanide assay for the differentiation of glutathione S-transferases. Spectrophotometric assays depend upon a direct change in the absorbance of the substrate when it is conjugated...

Testing Unconstrained Optimization Software

Much of the testing of optimization software is inadequate because the number of test functmns is small or the starting points are close to the solution. In addition, there has been too much emphasm on measurmg the efficmncy of the software and not enough...

Snowball Sampling: Problems and Techniques of Chain Referral Sampling

In spite of the fact that chain referral sampling has been widely used in qualitative sociological research, especially in the study of deviant behavior, the problems and techniques involved in its use have not been adequately explained. The procedures...

On optimistic methods for concurrency control

Most current approaches to concurrency control in database systems rely on locking of data objects as a control mechanism. In this paper, two families of nonlocking concurrency controls are presented. The methods used are “optimistic” in the sense...

Biology of plants

Peter H. Raven, Ray F. Evert, Susan E. Eichhorn

A method for assessing the quality of a randomized control trial.

A system has been constructed to evaluate the design, implementation, and analysis of randomized control trials (RCT). The degree of quadruple blinding (the randomization process, the physicians and patients as to therapy, and the physicians as to ongoing...

Microstrip antenna technology

A survey of microstrip antenna elements is presented, with emphasis on theoretical and practical design techniques. Available substrate materials are reviewed along with the relation between dielectric constant tolerance and resonant frequency of microstrip...

[41] Cathepsin B, cathepsin H, and cathepsin L

This chapter describes two types of purification methods for Cathepsin B, Cathepsin H, and Cathepsin L. Method I is applicable to large amounts of frozen tissues, whereas method II is used with flesh tissue and takes advantage of a 50-fold purification...

Fabry–Perot cavity pulsed Fourier transform microwave spectrometer with a pulsed nozzle particle source

We describe the design, construction, and operation of a new type of microwavespectrograph which allows the measurement of the resonant transitions of transient or otherwise short‐lived species. The spectrograph is composed of three parts: a Fabry–Perot...

Fluorescence quenching studies with proteins

A review is presented on the use of the technique of solute fluorescence quenching to study the structure and dynamics of proteins. A number of factors are discussed that must be considered in analyzing such data. Among these factors are the efficiency...

The Effect of Insulin on the Disposal of Intravenous Glucose: Results from Indirect Calorimetry and Hepatic and Femoral Venous Catheterization

The effect of insulin on the disposal of intravenous glucose was examined employing the euglycemic insulin clamp technique in 24 normal subjects. When the plasma insulin concentration was raised by approximately 100 μU/ml, total glucose metabolism rose...

Enzymatic synthesis of biotin-labeled polynucleotides: novel nucleic acid affinity probes.

Enzymatic synthesis of biotin-labeled polynucleotides: novel nucleic acid affinity probes.

Measuring the quality of life of cancer patients ☆: A concise QL-Index for use by physicians

To complement the hard variables generally used in the assessment of different treatments for cancer and other chronic diseases the authors developed a 'hardened', succinct quantitative index to measure the quality of life (QL-Index) of survivors. It...

An Implicit Enumeration Algorithm to Generate Tests for Combinational Logic Circuits

The D-algorithm (DALG) is shown to be ineffective for the class of combinational logic circuits that is used to implement error correction and translation (ECAT) functions. PODEM (path-oriented decision making) is a new test generation algorithm for combinational...

The temperature dependence of positron lifetimes in solid pivalic acid

The temperature dependence of positron lifetimes in both the brittle and plastic phases of trimethylacetic (pivalic) acid1 has been examined using the positron lifetime technique. In the plastic phase two long-lived components attributable to ortho-positronium...

Forecast Intercomparisons of Three Numerical Weather Prediction Models From the UK Meteorological Office

A forecast intercomparison study using the same six initial states as were used for a study by Baumhefner and Downey (1978) was carried out using the United Kingdom (UK) Meteorological Office operational 10-level model, and two 11-level general circulation...

The functional data model and the data languages DAPLEX

DAPLEX is a database language which incorporates: a formulation of data in terms of entities; a functional representation for both actual and virtual data relationships; a rich collection of language constructs for expressing entity selection...

The cube-connected cycles: a versatile network for parallel computation

An interconnection pattern of processing elements, the cube-connected cycles (CCC), is introduced which can be used as a general purpose parallel processor. Because its design complies with present technological constraints, the CCC can also be used in...

Representations : philosophical essays on the foundations of cognitive science

Representations : philosophical essays on the foundations of cognitive science

Cellular and dynamic aspects of oocyte growth in teleosts.

SYNOPSIS. Four principal stages of oocyte growth are recognized among teleosts. During gonadotropin-independent primary growth, multiple nucleoli form as well as a Balbiani body which eventually disperses throughout the ooplasm. The first gonadotropin-dependent...

An outbreak of community-acquired Pneumocystis carinii pneumonia. Initial manifestation of cellular immune dysfunction.

Henry Masur, Mary Ann Michelis, Greene Jb, Ida M. Onorato, Robert S. Holzman, Gary P. Wormser, Lee R. Brettman, Lange M, Henry W. Murray

Role of collagenous matrices in the adhesion and growth of cells.

H. Kleinman, Robert J. Klebe, George R. Martin

Numerical analysis of variational inequalities

Richard S. Falk, J. L. Lions, R. Tremoliers

ARE WE ALL LESS RISKY AND MORE SKILLFUL THAN OUR FELLOW DRIVERS

In this study subjects were asked about their competence as drivers in relation to a group of drivers. The results showed that a majority of subjects regarded themselves as more skillful and less risky than the average driver in each group respectively....

A FAST INCREMENTAL/ITERATIVE SOLUTION PROCEDURE THAT HANDLES "SNAP-THROUGH"

– Riks [1] has recently proposed a new solution procedure for overcoming limit points. To this end, he adds, to the standard equilibrium equations, a constraint equation fixing the length of the incremental load step in load/deflection space. The applied...

Compliance and Force Control for Computer Controlled Manipulators

Compliant motion of a manipulator occurs when the manipulator position is constrained by the task geometry. Compliant motion may be produced either by a passive mechanical compliance built in to the manipulator, or by an active compliance implemented...

The Correlation Theory of Brain Function

A summary of brain theory is given so far as it is contained within the framework of Localization Theory. Diffculties of this "conventional theory" are traced back to a specific deficiency: there is no way to express relations between active cells (as...

Yeast transformation: a model system for the study of recombination

DNA molecules that integrate into yeast chromosomes during yeast transformation do so by homologous recombination. We have studied the way in which circular and linear molecules recombine with homologous chromosomal sequences. We show that DNA ends are...

Evaluating Program and Managerial Efficiency: An Application of Data Envelopment Analysis to Program Follow Through

A model for measuring the efficiency of Decision Making Units (=DMU's) is presented, along with related methods of implementation and interpretation. The term DMU is intended to emphasize an orientation toward managed entities in the public and/or not-for-profit...

Structural analysis of discrete data with econometric applications

This volume deals with parametric statistical inference on structural conditional probability models in which some or all of the endogenous variables are discrete valued. Within this broad theme the models posed and inferential questions addressed arise...

Absorption by dissolved organic matter of the sea (yellow substance) in the UV and visible domains

Spectral values of absorption of light by dissolved organic matter were measured in samples originating from diverse parts of the ocean, quite different with respect to pigment and particle content. The use of llO-cm cells and then of lo-cm cells, with...

International trade in the presence of product differentiation, economies of scale and monopolistic competition : A Chamberlin-Heckscher-Ohlin approach

The paper presents a generalization of the Heckscher--0hlin theory by admitting the existence of sectors in which there is monopolistic competitton. The structure of preferences is based on Lancaster’s work. It is shown without requiring homoth~ticity...

Frequency-Independent and Frequency-Dependent Nonlinear Models of TWT Amplifiers

Simple two-parameter formulas are presented for the functions involved in the amplitude-phase and the quadrature nonlinear models of a TWT amplifier, and are shown to fit measured data very well. Also, a closed-form expression is derived for the output...

HIGH-DOSE INTRAVENOUS GAMMAGLOBULIN FOR IDIOPATHIC THROMBOCYTOPENIC PURPURA IN CHILDHOOD

Seven children with chronic or intermittent and six with acute idiopathic thrombocytopenic purpura (ITP) were treated with large intravenous doses of polyvalent, intact immunoglobulin (Ig). In all patients the platelet count rose sharply within 5 days,...

Optical properties of the clearest natural waters (200-800 nm)

A new UV submersible spectroradiometer has been employed to determine the diffuse attenuation coefficient for irradiance in the clearest natural waters [Kw(λ)] with emphasis on the spectral region from 300 to 400 nm. Kw(λ) can be related to the inherent...

DNA polymorphism detectable by restriction endonucleases.

Data on DNA polymorphisms detected by restriction endonucleases are rapidly accumulating. With the aim of analyzing these data, several different measures of nucleon (DNA segment) diversity within and between populations are proposed, and statistical...

Fault Tree Handbook

W. E. Vesely, F.F. Goldberg, Nathan Roberts, D. F. Haasl

IDENTIFICATION AND ANALYSIS OF MODERATOR VARIABLES

Subhash Sharma, Richard M. Durand, Oded Gur-Arie

The concept of access: definition and relationship to consumer satisfaction.

Access is an important concept in health policy and health services research, yet it is one which has not been defined or employed precisely. To some authors "access" refers to entry into or use of the health care system, while to others it characterizes...

Osteonectin, a bone-specific protein linking mineral to collagen.

Summary Osteonectin is a 32,DDD dalton bone-specific protein that binds selectively to both hydroxyapatite and collagen. When osteonectin is bound to insolubilized type I collagen, the resultant complex binds synthetic apatite crystals and free calcium...

Plumbotectonics-the model

Plumbotectonics is an attempt to model the geochemical behaviour of U, Th and Pb, among major terrestrial reservoirs in agreement with observational data. By recycling rock through the orogenic environment, a dynamically communicating upper crust, lower...

Lagrangian-Eulerian finite element formulation for incompressible viscous flows

Thomas J. R. Hughes, Wing Kam Liu, Thomas K. Zimmermann

Fourier Self-Deconvolution: A Method for Resolving Intrinsically Overlapped Bands

The general theory of Fourier self-deconvolution, i.e., spectral deconvolution using Fourier transforms and the intrinsic line-shape, is developed. The method provides a way of computationally resolving overlapped lines that can not be instrumentally...

Flux vector splitting of the inviscid gasdynamic equations with application to finite-difference methods ☆

The conservation-law form of the inviscid gasdynamic equations has the remarkable property that the nonlinear flux vectors are homogeneous functions of degree one. This property readily permits the splitting of flux vectors into subvectors by similarity...

Bacterial Adherence: Adhesin-Receptor Interactions Mediating the Attachment of Bacteria to Mucosal Surfaces

Recent studies have indicated that the attachment of bacteria to mucosal surfaces is the initial event in the pathogenesis of most infectious diseases due to bacteria in animals and humans. An understanding of the mechanisms of attachment and a definition...

[48] Assay of glutathione, glutathione disulfide, and glutathione mixed disulfides in biological samples

This chapter presents the assay of glutathione (GSH), glutathione disulfide (GSSG), and glutathione mixed disulfides (GSSR). The sum of the reduced and oxidized forms of glutathione can be determined by using a kinetic assay in which catalytic amounts...

The supply and accumulation of silica in the marine environment

Rivers and submarine hydrothermal emanations supply 6.1 × 1014g SiO2/yr to the marine environment. Approximately two-thirds of the silica supplied to the marine environment can be accounted for in continental margin and deep-sea deposits. Siliceous deep-sea...

Sequence and specificity of two antibacterial proteins involved in insect immunity

Håkan Steiner, Dan Hultmark, Engström A, H. Bennich, Hans G. Boman

Comparing radical mastectomy with quadrantectomy, axillary dissection, and radiotherapy in patients with small cancers of the breast.

Umberto Veronesi, Roberto Saccozzi, Marcella Del Vecchio, Alberto Banfi, Claudio Clemente, Mario De Lena, Giuseppe Gallus, M. Greco, Alberto Luini, Ettore Marubini, Giuseppe Muscolino, Franco Rilke, Bruno Salvadori, Annamaria Zecchini, Zucali R

Deficiency of protein C in congenital thrombotic disease.

A B S T RA C T A family with a history of recurring thrombosis was studied to determine if a plasma protein deficiency could account for the observed disease. Protein C levels in plasma were determined immunologically using the Laurell rocket technique....

A physiologically based criterion of muscle force prediction in locomotion

The inversely-nonlinear relationship of muscle contraction force and the possible contraction duration (i.e., endurance) is utilized in a method to mathematically predict individual muscle forces. The method uses a nonlinear optimization scheme to solve...

Imitation Costs and Patents: An Empirical Study

It has long been recognised that the costs of imitating new products have an important effect on the incentives for innovation in a market economy.' As Arrow (I962) and others have pointed out, if firms can imitate an innovation at a cost that is substantially...

The Origin of Man

Five characters separate man from other hominoids—a large neocortex, bipedality, reduced anterior dentition with molar dominance, material culture, and unique sexual and reproductive behavior. Evidence provided by the fossil record, primate behavior,...

New hash functions and their use in authentication and set equality

In this paper we exhibit several new classes of hash functions with certain desirable properties, and introduce two novel applications for hashing which make use of these functions. One class contains a small number of functions, yet is almost universal2....

An economical class of digital filters for decimation and interpolation

A class of digital linear phase finite impulse response (FIR) filters for decimation (sampling rate decrease) and interpolation (sampling rate increase) are presented. They require no multipliers and use limited storage making them an economical alternative...

Parameterization of Vertical Mixing in Numerical Models of Tropical Oceans

Measurements indicate that mixing processes are intense in the surface layers of the ocean but weak below the thermocline, except for the region below the core of the Equatorial Undercurrent where vertical temperature gradients are small and the shear...

Canopy temperature as a crop water stress indicator

R. D. Jackson, S. B. Idso, R. J. Reginato, P. J. Pinter

Effect of Insulin and Glucose Infusions on Sympathetic Nervous System Activity in Normal Man

John W. Rowe, James B. Young, Kenneth L. Minaker, Arthur Stevens, J. Pallotta, Lewis Landsberg

Practical Nonparametric Statistics (2nd ed).

Richard A. Groeneveld, Wheeler Conover

Point processes and queues, martingale dynamics

David Vere-Jones, Pierre Brémaud

Semi-empirical estimation of sorption of hydrophobic pollutants on natural sediments and soils

Methods were developed for estimating the equilibrium sorption behavior of hydrophobic pollutants. At low pollutant concentration (aqueous phase concentration less than half the solubility), sorption isotherms were linear, reversible, and characterized...

Blocking in a Shared Resource Environment

In recent years, considerable effort has focused on evaluating the blocking experienced by "customers" in contending for a commonly shared "resource." The customers and resource in question have typically been messages and storage space in message storage...

Social Forces, States and World Orders: Beyond International Relations Theory

Social Forces, States and World Orders: Beyond International Relations Theory

The rapid isolation of clonable antigen-specific T lymphocyte lines capable of mediating autoimmune encephalomyelitis

The isolation and propagation of functional antigen-specific lines of T lymphoblasts is described. These lines were found to recognize foreign or self antigens in association with accessory cells of syngeneic major histocompatibility complex genotype....

The design structure system: A method for managing the design of complex systems

Systems design involves the determination of interdependent variables. Thus the precedence ordering for the tasks of determining these variables involves circuits. Circuits require planning decisions about how to iterate and where to use estimates. Conventional...

Differential changes in bone mineral density of the appendicular and axial skeleton with aging: relationship to spinal osteoporosis.

Patterns of bone loss in the axial and the appendicular skeleton were studied in 185 normal volunteers (105 women and 82 men; age range, 20--89 yr) and in 76 women and 9 men with vertebral fractures due to osteoporosis. Bone mineral density was measured...

Toward a modern theory of adaptive networks: expectation and prediction.

Many adaptive neural network theories are based on neuronlike adaptive elements that can behave as single unit analogs of associative conditioning. In this article we develop a similar adaptive element, but one which is more closely in accord with the...

Logistic Regression Diagnostics

Logistic Regression Diagnostics

Psychophysiology of P300.

Walter S. Pritchard

A fast algorithm for Steiner trees

Given an undirected distance graph G=(V, E, d) and a set S, where V is the set of vertices in G, E is the set of edges in G, d is a distance function which maps E into the set of nonnegative numbers and S?V is a subset of the vertices of V, the Steiner...

The Adjustment of Consumption to Changing Expectations about Future Income

The paper analyzes the role of current income in providing new information about future income and thus signalling changes in permanent income. Using time-series analysis to quantify the revision in permanent income induced by an innovation in the current...

Wave speeds and attenuation of elastic waves in material containing cracks

Summary. Expressions now exist from which may be calculated the propagation constants of elastic waves travelling through material containing a distribution of cracks. The cracks are randomly distributed in position and may be randomly orientated. The...

Lack of correlation between exercise capacity and indexes of resting left ventricular performance in heart failure

Symptoms of congestive heart failure occur most commonly during exercise, but cardiac performance is usually quantitated at rest. The relation between exercise capacity and measurements of cardiac performance at rest is little known. Treadmill exercise...

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