On the correlation of binary sequences

Cholesterol and related sterols are known to modulate the physical properties of biological membranes and can affect the activities of membrane-bound protein complexes. Here, we report that an early step in protein translocation across the endoplasmic reticulum (ER) membrane is reversibly inhibited by cholesterol levels significantly lower than those found in the plasma membrane. By UV-induced chemical cross-linking we further show that high cholesterol levels prevent cross-linking between ribosome-nascent chain complexes and components of the Sec61 translocon, but have no effect on cross-linking to the signal recognition particle. The inhibiting effect on translocation is different between different sterols. Our data suggest that the protein translocation machinery may be sensitive to changes in cholesterol levels in the ER membrane.

Binary sequences with good autocorrelation have many applications in raging systems, spread spectrum communication systems, multi-terminal system identification, code division multiple access communications systems, and stream ciphers. Magma is a large, well-supported software package designed for computations in algebra, number theory, algebraic geometry and algebraic combinatory. We design the system to compare and analysis the binary pseudorandom sequences. It is easy to analysis the existing binary sequence and new construction. And it can compare the performance of different sequences and draw the figure. We implement it on the C# and SQL database system.

Acne keloidalis/acne kleoidalis nuchae (AKN), also known as folliculitis keloidalis, is a primary neutrophilic cicatricial alopecia that mostly occurs in men of African, African American and Afro-Caribbean origin with coarse curly hair, and is characterized by chronic follicular papules mainly on the occipital scalp and neck that evolve into keloid-like scars and permanent alopecia. The name “keloidalis” is a misnomer as the lesions do not show keloidal features on histology and the patients do not have tendency to develop keloids in other parts of the body. The onset after puberty and the exclusive predilection for the male sex suggest a hormonal component in the pathogenesis. It is believed that chronic local mechanical irritation to the nuchal and the occipital area, by frequent shaving, picking or friction to hair that is kinky, leads to follicular irritation, exposure to follicular alloantigens that evoke an immune response with inflammation, follicular destruction and transepidermal elimination of the hair shafts in the dermis. This leads to further chronic inflammation with granulomas. The reparative attempts in predisposed individuals result in abnormal hypertrophic scarring and permanent alopecia. Metabolic syndrome (present in 61% of the patients as per a recent study) and chronic infection (Demodex, Staphylococcus, Malassezia) may play a secondary role in the pathogenesis. Early lesions: Flesh-colored or erythematous papules, with pustules on the occipital scalp and the posterior part of the neck that may extend into the vertex (Figure 22.1). The lesions are accompanied by itch or pain. Figure 22.1 Erythematous papules, with pustules on the occipital scalp. (Courtesy of Giselle Martins, MD; reprinted with permission from Katoulis A, Ioannides D, Rigopoulos D, eds., Hair Disorders: Diagnosis and Management, CRC Press: Boca Raton and Abingdon, forthcoming 2021.) https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429457609/a1a07c34-5530-453d-aca4-02e4ee680a4a/content/fig22_1.tif"/> Late lesions: Sclerotic plaques, nodules and keloidal masses with sinus tracts, and devoid of hairs (cicatricial alopecia) (Figure 22.2). Figure 22.2 Folliculitis keloidalis resulting in patchy hairless cicatricial alopecia on the vertex. https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429457609/a1a07c34-5530-453d-aca4-02e4ee680a4a/content/fig22_2.tif"/> Androgenetic alopecia, central centrifugal cicatricial alopecia and folliculitis decalvans have been reported in association with AKN. 147On trichoscopy the features depend on the stage: Early stage shows folliculocentric pink papules and pustules with a red rim and white streaks (Figure 22.3) and crown vessels (Figure 22.4), which correspond to chronic inflammatory infiltrate and perifollicular fibrosis; broken hairs and peripilar casts ensue from the follicular destruction. Figure 22.3 Early AKN: folliculocentric papules with a red rim (×40). (Courtesy of Giselle Martins, MD; reprinted with permission from Katoulis A, Ioannides D, Rigopoulos D, eds., Hair Disorders: Diagnosis and Management, CRC Press: Boca Raton and Abingdon, forthcoming 2021). https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429457609/a1a07c34-5530-453d-aca4-02e4ee680a4a/content/fig22_3.tif"/> Figure 22.4 Folliculocentric papules with crown vessels (×60). (Courtesy to Giselle Martins, MD.) https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429457609/a1a07c34-5530-453d-aca4-02e4ee680a4a/content/fig22_4.tif"/> Later stage shows white follicular papules, white patches at the site of loss of follicular openings and irregular pinpoint white dots (Figure 22.5). Intact hair follicles at the margins may exhibit tufting. Figure 22.5 These late lesions show white folliculocentric papules and irregular pigmented network (×20). (Reprinted with permission from Katoulis A, Ioannides D, Rigopoulos D, eds., Hair Disorders: Diagnosis and Management, CRC Press: Boca Raton and Abingdon, forthcoming 2021.) https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429457609/a1a07c34-5530-453d-aca4-02e4ee680a4a/content/fig22_5.tif"/>

In earlier papers finite pseudorandom binary sequences were studied, quantitative measures of pseudorandomness of them were introduced and studied, and large families of “good” pseudorandom sequences were constructed. In certain applications (cryptography) it is not enough to know that a family of “good” pseudorandom binary sequences is large, it is a more important property if it has a “rich”, “complex” structure. Correspondingly, the notion of “f-complexity” of a family of binary sequences is introduced. It is shown that the family of “good” pseudorandom binary sequences constructed earlier is also of high f-complexity. Finally, the cardinality of the smallest family achieving a prescibed f-complexity and multiplicity is estimated.

Book Reviews

Transcriptional Regulation of Neuronal Polarity and Morphogenesis in the Mammalian Brain

We study measures used to assess Boolean functions, where the functions are understood to be derived from binary sequences. We prove relations between two complexity measures for these Boolean functions and the correlation measure of order k of the corresponding sequence. More precisely, we study sparsity and combinatorial complexity of the Boolean function. Moreover, for a sequence with 'typical' values of the correlation measure of order k we apply these relations to derive bounds on the complexity measures for the corresponding Boolean function. Finally, we apply our results to Sidelnikov sequences for which nice upper bounds on the correlation measure are known.

In the extreme thermophile Thermus thermophilus, a disruption mutant of a gene homologous to speB (coding for agmatinase = agmatine ureohydrolase) accumulated N1-aminopropylagmatine (N8-amidino-1,8-diamino-4-azaoctane, N8-amidinospermidine), a new compound, whereas all other polyamines produced by the wild-type strain were absent from the cells. Double disruption of speB and speE (polyamine aminopropyltransferase) resulted in the disappearance of N1-aminopropylagmatine and the accumulation of agmatine. These results suggested the following. 1) N1-Aminopropylagmatine is produced from agmatine by the action of an enzyme coded by speE. 2) N1-Aminopropylagmatine is a metabolic intermediate in the biosynthesis of unique polyamines found in the thermophile. 3) N1-Aminopropylagmatine is a substrate of the SpeB homolog. They further suggest a new biosynthetic pathway in T. thermophilus, by which polyamines are formed from agmatine via N1-aminopropylagmatine. To confirm our speculation, we purified the expression product of the speB homolog and confirmed that the enzyme hydrolyzes N1-aminopropylagmatine to spermidine but does not act on agmatine.

For an aperiodic invertible sequence of length L, the optimality criterion is chosen to be the minimum noise enhancement factor of the corresponding aperiodic inverse filter. The noise enhancement factor is defined as the ratio of the noise energies at the outputs of the aperiodic inverse and the normalized matched filters of the sequence due to white noise at the filter inputs. Optimal binary sequences of length L/spl les/32 and optimal binary skew symmetric sequences of length 33/spl les/L/spl les/59 were found by exhaustive search. The search for near-optimal sequences is shown to have strong connections to the search for sequences with large products of Golay (1977) merit factor times the minimum of the energy density spectrum. Based on Legendre sequences and on Kronecker product sequences, long near-optimal binary sequences are found that have associated noise enhancement factors close to 1 dB.

(1994). Interactions of Surfactants with Polymers and Proteins. E.D.Goddard and K.P. Ananthapadmanabhan (eds.), CRC Press, Boca Raton, FL, 1993, pp. 1-427, $169.95. Journal of Dispersion Science and Technology: Vol. 15, No. 3, pp. 399-399.

Geographical AnalysisVolume 46, Issue 4 p. 456-458 Book Review Spatial Mathematics: Theory and Practice through Mapping by Arlinghaus, Sandra Lach and Kerski, Joseph J.. Boca Raton, FL: CRC Press, 2014, 300 pp. Sang-Il Lee, Sang-Il Lee Department of Geography Education, Seoul National UniversitySearch for more papers by this author Sang-Il Lee, Sang-Il Lee Department of Geography Education, Seoul National UniversitySearch for more papers by this author First published: 17 September 2014 https://doi.org/10.1111/gean.12066Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Volume46, Issue4Special Issue: Street Networks and Spatial Analysis Edited by Bin Jiang and Atsuyuki OkabeOctober 2014Pages 456-458 RelatedInformation

Evaporation is a classical physics problem, which, because of its significant importance for many engineering applications, has drawn considerable attention by previous researchers. Classical theoretical models [Ya. I. Frenkel, Kinetic Theory of Liquids, Clarendon Press, Oxford, 1946] represent evaporation in a simplistic way as the escape of atoms with highest velocities from a potential well with the depth determined by the atomic binding energy. The processes taking place in the gas phase above the rapidly evaporating surface have also been studied in great detail [So I. Anisimov and V. A. Khokhlov, Instabilities in Laser-Matter Interaction, CRC Press, Boca Raton, 1995]. The description of evaporation utilizing these models is known to adequately characterize drilling with high beam intensity, e.g. >107 W/cm2. However, the interaction regimes when beam intensity is relatively low, such as during welding or cutting, lack both theoretical and experimental consideration of the evaporation. It was shown recently that if the evaporation is treated in accordance with Anisimov et.al.’ s approach, then predicted evaporation recoil should be a substantial factor influencing melt flow and related heat transfer during laser beam welding and cutting. To verify the applicability of this model for low beam intensity interaction, we compared the results of measurements and calculations of recoil pressure generated during laser beam irradiation of a target. The target material used was water ice @–10°C. The displacement of a target supported in a nearly frictionless air bearing under irradiation by a defocused laser beam from a 14 kW CO2 laser was recorded and Newton’s laws of motion used to derive the recoil pressure.Evaporation is a classical physics problem, which, because of its significant importance for many engineering applications, has drawn considerable attention by previous researchers. Classical theoretical models [Ya. I. Frenkel, Kinetic Theory of Liquids, Clarendon Press, Oxford, 1946] represent evaporation in a simplistic way as the escape of atoms with highest velocities from a potential well with the depth determined by the atomic binding energy. The processes taking place in the gas phase above the rapidly evaporating surface have also been studied in great detail [So I. Anisimov and V. A. Khokhlov, Instabilities in Laser-Matter Interaction, CRC Press, Boca Raton, 1995]. The description of evaporation utilizing these models is known to adequately characterize drilling with high beam intensity, e.g. >107 W/cm2. However, the interaction regimes when beam intensity is relatively low, such as during welding or cutting, lack both theoretical and experimental consideration of the evaporation. It was shown re...

The utilization of heuristics via expert evaluations is one of the methods used in the field of player experience (PX). Although most of the proposed heuristics within the literature focus on assessing the general player experience, a few studies focus on specific elements and/or aspects of games. In this regard, the aim of this study is to test the usability of narrative heuristics defined by Upton (Situational game design. CRC Press, Boca Raton, 2017) and to expand the given set of heuristics with suitable sub-heuristics. Thus, the set of narrative heuristics is applied to the 2020 video game Death Stranding with a close reading methodology. The original heuristic set is based on general storytelling principles and this study aims to identify what might have been missing from the set. The close reading of the game is supported by the expert evaluation method and each heuristic of Upton (Situational game design. CRC Press, Boca Raton, 2017) is expanded with three sub-heuristics. As a result, the suggested expanded heuristic set may help future studies that aim to utilize narrative heuristics for analyzing game narratives.KeywordsNarrativeHeuristicsPlayer experienceExpert evaluationClose reading

HepatologyVolume 14, Issue 2 p. 402-403 Book ReviewFree Access Alcohol and drug abuse as encountered in office practice. By Frank L. Iber, 316 pp. Boca Raton, FL: CRC Press, Inc., 1991. $59.95 John A. Hermos M.D., John A. Hermos M.D. Chief, Addictive Disorders Section Medical Service VA Medical Center Boston, Massachusetts 02130Search for more papers by this author John A. Hermos M.D., John A. Hermos M.D. Chief, Addictive Disorders Section Medical Service VA Medical Center Boston, Massachusetts 02130Search for more papers by this author First published: August 1991 https://doi.org/10.1002/hep.1840140234AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat No abstract is available for this article. References 1 Victor M, Adams R. Effect of alcohol on nervous system. Res Publ Assoc Res Nerv Ment Dis 1953; 32: 526– 573. 2 Isbell H, et al. Experimental study of etiology of “rum fits” and delirium tremens. Quart J Stud Alcohol 1955; 16: 1– 33. 3 Clark WD. Alcoholism: blocks to diagnosis and treatment. Am J Med 1981; 2: 275– 286. 4 Murphy HB. Hidden barriers to the diagnosis and treatment of alcoholism and other alcohol misuse. J Stud Alcohol 1980; 41: 417– 428. Volume14, Issue2August 1991Pages 402-403 ReferencesRelatedInformation

Journal of Bone and Mineral ResearchVolume 11, Issue 7 p. 1040-1040 Book Review Calcium and phosphorus in health and disease. John J.B. Anderson, Sanford C. Garner, Editors. CRC Press, Boca Raton, Florida, U.S.A., 1995 First published: July 1996 https://doi.org/10.1002/jbmr.5650110723AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume11, Issue7July 1996Pages 1040-1040 RelatedInformation