Analysis of pedestrian activity before and during COVID-19 lockdown, using webcam time-lapse from Cracow and machine learning.

abstract：Background:Oral cancer progresses from hyperplastic epithelial lesions through dysplasia to invasive carcinoma. The critical needs in oral cancer treatment are expanding our knowledge of malignant tumour progression and the development of useful approaches to prevent dysplastic lesions. This study was designed to gain ...

journal_title：PeerJ

authors： Ge S,Zhou H,Zhou Z,Liu L,Lou J

更新日期：2021-01-04 00:00:00

abstract：Background:Saber-toothed mammals, now all extinct, were cats or "cat-like" forms with enlarged, blade-like upper canines, proposed as specialists in taking large prey. During the last 66 Ma, the saber-tooth ecomorph has evolved convergently at least in five different mammalian lineages across both marsupials and placen...

journal_title：PeerJ

authors： M Janis C,Figueirido B,DeSantis L,Lautenschlager S

更新日期：2020-06-26 00:00:00

abstract：:The Yazoo Darter, Etheostoma raneyi (Percidae), is an imperiled freshwater fish species endemic to tributaries of the Yocona and Little Tallahatchie rivers of the upper Yazoo River basin, in northern Mississippi, USA. The two populations are allopatric, isolated by unsuitable lowland habitat between the two river drai...

journal_title：PeerJ

authors： Sterling KA,Nielsen SV,Brown AJ,Warren ML Jr,Noonan BP

更新日期：2020-05-04 00:00:00

abstract：Objective:The N-methyl-D-aspartate subtype glutamate receptor antagonist ketamine has rapid antidepressant and antisuicidal effects in treating treatment-resistant bipolar depression (TRBD). The neurocognitive effects of repeated ketamine infusions in TRBD are not known. Methods:Six intravenous infusions of ketamine (...

journal_title：PeerJ

authors： Zheng W,Zhou YL,Wang CY,Lan XF,Zhang B,Yang MZ,Nie S,Ning YP

更新日期：2020-11-03 00:00:00

abstract：Background:Skeletal muscle wound healing is dependent on complex interactions between fibroblasts, myofibroblasts, myogenic cells, and cytokines, such as TGF-β1. This study sought to clarify the impact of TGF-β1 signaling on skeletal muscle cells and discern between the individual contributions of fibroblasts and myofi...

journal_title：PeerJ

authors： Krieger J,Park BW,Lambert CR,Malcuit C

更新日期：2018-07-11 00:00:00

abstract：:The structural and material properties of insect cuticle remain largely unexplored, even though they comprise the majority (approximately 80%) of animals. Insect cuticle serves many functions, including protection against predatory attacks, which is especially beneficial to species failing to employ effective running ...

journal_title：PeerJ

authors： Clark AJ,Triblehorn JD

更新日期：2014-07-31 00:00:00

abstract：Background:Dengue infection represents a global health issue of growing importance. Dengue non-structural protein 1 (NS1) plays a central role in the early detection of the disease. The most common method for NS1 detection is testing by lateral flow immunoassays (LFIAs) with varying sensitivity. In this study, we prese...

journal_title：PeerJ

authors： Tran TV,Nguyen BV,Nguyen TTP,Tran TT,Pham KG,Le QB,Do BN,Pham HN,Nguyen CV,Dinh DPH,Ha VT,Doan THT,Le HQ

更新日期：2019-09-25 00:00:00

abstract：:On the purpose of enhancing the forensic efficiency of CODIS STR loci, new STR loci have been gradually discovered and developed into some commercial multiplex systems. Recently, 22 STR loci including 18 non-CODIS STR loci and four CODIS STR loci were investigated in 501 unrelated healthy individuals of Kazakh ethnic ...

journal_title：PeerJ

authors： Chen C,Guo Y,Jin X,Cui W,Wei Y,Fang Y,Lan Q,Kong T,Xie T,Zhu B

更新日期：2019-04-25 00:00:00

abstract：Background:Silkworm pupae is the main by-product of the sericulture industry with an interesting nutritional profile, especially in terms of proteins. In consideration of its possible use as a food or food ingredient in Western countries, a comparative proteomic experiment has been performed to investigate the differen...

journal_title：PeerJ

authors： Lamberti C,Gai F,Cirrincione S,Giribaldi M,Purrotti M,Manfredi M,Marengo E,Sicuro B,Saviane A,Cappellozza S,Giuffrida MG,Cavallarin L

更新日期：2019-06-12 00:00:00

abstract：:Background. Despite massive immigration towards Southern Europe in the last two decades, data on mortality by cause among immigrants in Italy are scarce. The aim of this study was to investigate mortality from all and from specific causes of death among immigrants residing in the Veneto Region (Northeastern Italy). Me...

journal_title：PeerJ

authors： Fedeli U,Ferroni E,Pigato M,Avossa F,Saugo M

更新日期：2015-05-21 00:00:00

abstract：:Alcohol drinking may be associated with an increased risk of various metabolic diseases. Rat lines selectively bred for alcohol preference and alcohol avoidance constitute an interesting model to study inherited factors related to alcohol drinking and metabolic disorders. The aim of the present study was to compare th...

journal_title：PeerJ

authors： Mierzejewski P,Zakrzewska A,Kuczyńska J,Wyszogrodzka E,Dominiak M

更新日期：2020-09-11 00:00:00

abstract：:According to the synthesis of 30 years of multidisciplinary studies, parthenogenetic species of rock lizards of genus Darevskia were formed as a result of different combination patterns of interspecific hybridization of the four bisexual parental species: Darevskia raddei, D. mixta, D. valentini, and D. portschinskii....

journal_title：PeerJ

authors： Spangenberg V,Arakelyan M,Galoyan E,Pankin M,Petrosyan R,Stepanyan I,Grishaeva T,Danielyan F,Kolomiets O

更新日期：2019-01-30 00:00:00

abstract：:The knowledge on the spatial distribution of soil available water capacity at a regional or national extent is essential, as soil water capacity is a component of the water and energy balances in the terrestrial ecosystem. It controls the evapotranspiration rate, and has a major impact on climate. This paper demonstra...

journal_title：PeerJ

authors： Hong SY,Minasny B,Han KH,Kim Y,Lee K

更新日期：2013-04-23 00:00:00

abstract：Background/Aims:Medical and behavioral needs are relevant in organizing and providing support strategies that improve the quality of life for children, along with their families. The present study aims to examine the impact of medical and behavioral needs on the need for support of children with disabilities. Methods:...

journal_title：PeerJ

authors： Arias VB,Aguayo V,Verdugo MA,Amor AM

更新日期：2020-09-15 00:00:00

abstract：:Phlorotannins are primary and/or secondary metabolites found exclusively in brown seaweeds, but their geographic distribution and abundance dynamic are not very well understood. In this study we evaluated the phlorotannin concentrations among and within-species of brown seaweeds in a broad latitudinal context (range o...

journal_title：PeerJ

authors： Ank G,da Gama BAP,Pereira RC

更新日期：2019-08-14 00:00:00

abstract：Background:To reduce bird fatalities from millions of window collisions each year in North America, it is important to understand how design and landscape elements relate to collision risk. The current study extends prior research that found that buildings near ornamental pear trees (Prunus calleryana) and buildings wi...

journal_title：PeerJ

authors： Brown BB,Hunter L,Santos S

更新日期：2020-06-19 00:00:00

abstract：:Due to varietal differences, diminutive size, and similar morphological characters, it is difficult to classify and identify Liriomyza spp., a genus comprised of economically-important, highly-polyphagous insect pests. In this study, we reconfirmed the morphological characteristics of three closely-related invasive le...

journal_title：PeerJ

authors： Chang YW,Chen JY,Zheng SZ,Gao Y,Chen Y,Deng Y,Du YZ

更新日期：2020-10-30 00:00:00

abstract：:Loot boxes are items in video games that may be paid for with real-world money, but which contain randomised contents. There is a reliable correlation between loot box spending and problem gambling severity: the more money gamers spend on loot boxes, the more severe their problem gambling tends to be. However, it is u...

journal_title：PeerJ

authors： Zendle D

更新日期：2019-10-29 00:00:00

abstract：:Weevils (Coleoptera: Curculionoidea) represent one of the most diverse groups of organisms on Earth; interactions with their host plants have been recognized to play a central role in their remarkable diversity, yet the exact mechanisms and factors still remain poorly understood. Using phylogenetic comparative analyse...

journal_title：PeerJ

authors： Hernández-Vera G,Toševski I,Caldara R,Emerson BC

更新日期：2019-03-20 00:00:00

abstract：:We examined whether chemically mediated risk perception by prey and the effects of changes in prey behavior on basal resources vary as a function of the amount of prey biomass consumed by the predator. We studied these issues using a tritrophic system composed of blue crabs, Callinectes sapidus (top predator), mud cra...

journal_title：PeerJ

authors： Weissburg M,Beauvais J

更新日期：2015-11-19 00:00:00

abstract：:The objective of this study was to quantify consumption of clothianidin-treated corn seed by birds following standard planting practices. Based on post-planting seed counts on 21 fields in southwestern Ontario, Canada, between 29 and 813 seeds/ha (mean of 224 ± 167 (SD)) were estimated to remain on the soil surface im...

journal_title：PeerJ

authors： McGee S,Whitfield-Aslund M,Duca D,Kopysh N,Dan T,Knopper L,Brewer L

更新日期：2018-11-07 00:00:00

abstract：:Mutations that cause an error in the splicing of a messenger RNA (mRNA) can lead to diseases in humans. Various computational models have been developed to recognize the sequence pattern of the splice sites. In recent studies, Convolutional Neural Network (CNN) architectures were shown to outperform other existing mod...

journal_title：PeerJ

authors： Thanapattheerakul T,Engchuan W,Chan JH

更新日期：2020-07-06 00:00:00

abstract：:Climatic variables have been the main predictors employed in ecological niche modeling and species distribution modeling, although biotic interactions are known to affect species' spatial distributions via mechanisms such as predation, competition, and mutualism. Biotic interactions can affect species' responses to ab...

journal_title：PeerJ

authors： Simões MVP,Peterson AT

更新日期：2018-12-05 00:00:00

abstract：:Synechococcus is among the most important contributors to global primary productivity. The genomes of several strains of this taxon have been previously sequenced in an effort to understand the physiology and ecology of these highly diverse microorganisms. Here we present a comparative study of Synechococcus genomes. ...

journal_title：PeerJ

authors： Coutinho F,Tschoeke DA,Thompson F,Thompson C

更新日期：2016-01-14 00:00:00

abstract：:We revise the taxonomy of the myrmicine ants of the Monomorium monomorium species-group for the Arabian Peninsula. Six species are recognized: Monomorium aeyade Collingwood & Agosti, 1996, M. clavicorne André, 1881, M. exiguum Forel, 1894, M. holothir Bolton, 1987, M. mohammedi sp. n., and M. sarawatense Sharaf & Alda...

journal_title：PeerJ

authors： Sharaf M,Al Dhafer HM,Aldawood AS,Hita Garcia F

更新日期：2018-02-01 00:00:00

abstract：:The aim of this study was to identify the facets influencing job satisfaction and intention to quit of nurses employed in Turkey. Using a non-probability sampling technique, 417 nurses from six large private hospitals were surveyed from March 2014 to June 2014. The nurses' demographic data, their job-related satisfact...

journal_title：PeerJ

authors： Masum AK,Azad MA,Hoque KE,Beh LS,Wanke P,Arslan Ö

更新日期：2016-04-26 00:00:00

abstract：:The first plants related to the ferns are represented by several extinct groups that emerged during the Devonian. Among them, the iridopterids are closely allied to the sphenopsids, a group represented today by the genus Equisetum. They have been documented in Middle to early Late Devonian deposits of Laurussia and th...

journal_title：PeerJ

authors： Champreux A,Meyer-Berthaud B,Decombeix AL

更新日期：2020-06-16 00:00:00

abstract：Background:The functional significance of ADAMs family members in the immune infiltration of pancreatic adenocarcinoma (PAAD) awaits elucidation. Methods:ADAMs family members with significant expression were identified among differentially expressed genes of PAAD based on The Cancer Genome Atlas (TCGA) database follow...

journal_title：PeerJ

authors： Qi B,Liu H,Dong Y,Shi X,Zhou Q,Zeng F,Bao N,Li Q,Yuan Y,Yao L,Xia S

更新日期：2020-09-30 00:00:00

abstract：BACKGROUND:This study examines the biophysical and preclinical pulmonary activity of synthetic lung surfactants containing novel phospholipase-resistant phosphonolipids or synthetic glycerophospholipids combined with Super Mini-B (S-MB) DATK and/or SP-Css ion-lock 1 peptides that replicate the functional biophysics of ...

journal_title：PeerJ

authors： Notter RH,Gupta R,Schwan AL,Wang Z,Shkoor MG,Walther FJ

更新日期：2016-10-27 00:00:00

abstract：INTRODUCTION:There is much literature devoted to the problem of drug resistance and decreased susceptibility of fungi to commonly used antifungals. AIM:To analyze drug susceptibility of Candida albicans and non-Candida albicans strains isolated from the hands of people without any symptoms of disease over a 16-year pe...

journal_title：PeerJ

authors： Łukaszuk C,Krajewska-Kułak E,Kułak W

更新日期：2017-02-23 00:00:00