Search results for: J. Kowal

Items from 1 to 20 out of 152 results

article

Compartmentalized ciliation changes of oligodendrocytes in aged mouse optic nerve

Ke Ning, Matthew Tran, Tia J. Kowal, Louise A. Mesentier‐Louro, more

Journal of Neuroscience Research > 102 > 1 > n/a - n/a

Primary cilia are microtubule‐based sensory organelles that project from the apical surface of most mammalian cells, including oligodendrocytes, which are myelinating cells of the central nervous system (CNS) that support critical axonal function. Dysfunction of CNS glia is associated with aging‐related white matter diseases and neurodegeneration, and ciliopathies are known to affect CNS white matter...

article

Atmospheric pollution, soil nutrients and climate effects on Mucoromycota arbuscular mycorrhizal fungi

J. Kowal, E. Arrigoni, S. Jarvis, S. Zappala, more

Environmental Microbiology > 24 > 8 > 3390 - 3404

Fine root endophyte mycorrhizal fungi in the Endogonales (Mucoromycota arbuscular mycorrhizal fungi, M‐AMF) are now recognized as at least as important globally as Glomeromycota AMF (G‐AMF), yet little is known about the environmental factors which influence M‐AMF diversity and colonization, partly because they typically only co‐colonize plants with G‐AMF. Wild populations of Lycopodiella inundata...

article

Distribution of prototypical primary cilia markers in subtypes of retinal ganglion cells

Tia J. Kowal, Onkar S. Dhande, Biao Wang, Qing Wang, more

Journal of Comparative Neurology > 530 > 12 > 2176 - 2187

Loss of retinal ganglion cells (RGCs) underlies several forms of retinal disease including glaucomatous optic neuropathy, a leading cause of irreversible blindness. Several rare genetic disorders associated with cilia dysfunction have retinal degeneration as a clinical hallmark. Much of the focus of ciliopathy associated blindness is on the connecting cilium of photoreceptors; however, RGCs also possess...

article

Developmental distribution of primary cilia in the retinofugal visual pathway

Jorge A. Alvarado, Onkar S. Dhande, Philipp P. Prosseda, Tia J. Kowal, more

Journal of Comparative Neurology > 529 > 7 > 1442 - 1455

The mammalian visual system is composed of circuitry connecting sensory input from the retina to the processing core of the visual cortex. The two main retinorecipient brain targets, the superior colliculus (SC) and dorsal lateral geniculate nucleus (dLGN), bridge retinal input and visual output. The primary cilium is a conserved organelle increasingly viewed as a critical sensor for the regulation...

article

Coccidiosis – a problem in backyard rabbitries

M. Basiaga, V. Levytska, J. Kowal, P. Nosal, more

Annals of Parasitology > 2020 > 66 > 1

article

The royal military college of Canada: Responding to the call for change

Harry J. Kowal

Security and Defence Quarterly > 2019 > 24 > 2 > 87-104

The Royal Military College of Canada (RMC) has a very proud history of producing quality officers for over 140 years, delivering excellence in education, research and military training that is responsive to the needs of Canada, the Defence community and the ever-changing global security environment. RMC is unique as it is a military unit that is also a recognized university. The primary mission of RMC is to support the Regular Officer Training Plan (ROTP) by educating, developing and inspiring bilingual and fit, ethical leaders to serve the Canadian Armed Forces (CAF) and Canada with distinction....

article

The royal military college of Canada: responding to the call for change

Harry J. Kowal

Security and Defence Quarterly > 2019 > Vol. 24, No. 2 > 87--104

article

Tarantobelus arachnicida (Nematoda: Rhabditida) invasion of exotic spiders in Poland

A. Wyrobisz-Papiewska, J. Kowal, E. Lopienska-Biernat, S. Kornas, more

Annals of Parasitology > 2019 > 65 > 1

Nematodes of the Brevibuccidae family were stated among spiders of the Theraphosidae family (the South American species), which were bred in Poland. The first sign of infection was anorexia which led to gradually increasing lethargy progressed to a huddled posture. Additionally, a white discharge with nematodes between mouth and chelicerae was noted. All of the derived nematodes were morphologically...

article

Heterakis isolonche Linstow, 1906 - a new nematode species found in ornamental pheasants in Poland

K. Sepielak, J. Kowal, P. Nosal

Annals of Parasitology > 2019 > 65 > 2

Studies were carried out on 25 pheasants belonging to 13 Phasianinae species of the Phasianidae family. The research material was collected from private breeders – both Polish and from abroad. The results confirm that the most frequent nematode is Heterakis gallinarum, while for the first time in the country – in two of the examined birds of Polish flocks – the occurrence of Heterakis isolonche was...

article

The occurrence and diversity of flies (Diptera) related to ruminant farming in southern Poland

P. Nosal, J. Kowal, A. Weglarz, A. Wyrobisz-Papiewska

Annals of Parasitology > 2019 > 65 > 4

The aim of the study was to determine the biodiversity of flies (Diptera) occurring in livestock buildings and in their direct proximity, in various systems of ruminants rearing. Flies were collected by net sweeping during the summer, in two cowsheds (one large-scale, and one traditional farm), and one specialist sheepfold, located in the Lesser Poland region of Poland. The insects were captured –...

article

A method of screw thread measurement using a 3D vision system

R. Farana, A. Sioma, P. Suliga, J. Kowal

Journal of Machine Construction and Maintenance - Problemy Eksploatacji > 2018 > no. 2 > 7--14

This paper presents a method allowing for the quality inspection of a screw thread directly on a production line. The parameter evaluation was performed on a surface partial image obtained using 3D laser triangulation. Three characteristic values are being measured for each element: minor pitch, major pitch, and pitch diameter. The paper contains an overview and discussion of methods commonly used...

article

Automatization of screw thread profile measurement using a 3D vision system

A. Vitecek, A. Sioma, P. Suliga, J. Kowal

Journal of Machine Construction and Maintenance - Problemy Eksploatacji > 2018 > no. 3 > 15--22

The purpose of this study is to perform automatic measurement of a screw thread profile acquired with a 3D vision system. Measurements are carried out using a laser triangulation method. The triangulation method requires a calibration procedure to be performed on a measurement stand. The first stage of the calibration procedure allows one to compensate for lens and perspective distortion. Calculated...

article

Role of phase separation on the biological performance of 45S5 Bioglass^®

Tia J. Kowal, Roman Golovchak, Tanuj Chokshi, Joseph Harms, more

Journal of Materials Science: Materials in Medicine > 2017 > 28 > 10 > 1-16

We analyzed the biological performance of spinodally and droplet-type phase-separated 45S5 Bioglass^® generated by quenching the melt from different equilibrium temperatures. MC3T3-E1 pre-osteoblast cells attached more efficiently to 45S5 Bioglass® with spinodal than to the one with droplet morphology, providing the first demonstration of the role of micro-/nano-scale on the bioactivity of Bioglass®...

article

Sky-hook control and Kalman filtering in nonlinear model of tracked vehicle suspension system

A. Jurkiewicz, J. Kowal, K. Zając

Acta Mechanica et Automatica > 2017 > Vol. 11, no. 3 > 222--228

The essence of the undertaken topic is application of the continuous sky-hook control strategy and the Extended Kalman Filter as the state observer in the 2S1 tracked vehicle suspension system. The half-car model of this suspension system consists of seven logarithmic spiral springs and two magnetorheological dampers which has been described by the Bingham model. The applied continuous skyhook control...

article

The effect of increased crude protein level and/or dietary supplementation with herbal extract blend on the performance of chickens vaccinated against coccidiosis

A. Arczewska-Włosek, S. Świątkiewicz, J. Kowal, D. Józefiak, more

Animal Feed Science and Technology > 2017 > 229 > C > 65-72

The experiment was designed as a 2×2×2 factorial arrangement with 6 replicate pens per treatment (8 male Ross 308 chicks per pen) conducted from 1 to 42 d of age to evaluate the effect of dietary crude protein level (CP) and herbal extract blend on performance indices, results of slaughter analysis, and oocyst shedding in broilers vaccinated against coccidiosis. Treatments included a lack or single...

article

Methods of 3D imaging used in quality inspection systems in manufacturing

A. Sioma, J. Kowal, B. Karwat

Journal of Machine Construction and Maintenance - Problemy Eksploatacji > 2017 > no. 1 > 9--17

This paper presents a review of methods used for the acquisition of 3D images. A classification of such methods into contact and contactless and into active and passive methods is given. Special attention is given to show imaging methods that can be used for tasks involving product-manufacturing systems.

article

Association between high on-treatment platelet reactivity and occurrence of cerebral ischemic events in patients undergoing percutaneous coronary intervention

A. Komosa, J.M. Siller-Matula, M. Lesiak, M. Michalak, more

Thrombosis Research > 2016 > 138 > C > 49-54

Percutaneous coronary angioplasty (PCI) has become a routine treatment in symptomatic patients with coronary artery disease. The use of new generation drug eluting stents (DES) and dual antiplatelet therapy has significantly improved treatment outcomes and increased patients' safety by reducing the risk of stent thrombosis.The goal of this study was to assess whether high on treatment platelet reactivity...

article

Cenna szata roślinna Polany Krawcula w Beskidzie Żywieckim i problemy jej ochrony

Z. Wilczek, J. Kowal, J. Michniok

Chrońmy Przyrodę Ojczystą > 2016 > 72 > 4

article

Lungworm (Nematoda: Protostrongylidae) infection in wild and domestic ruminants from Malopolska region of Poland

J. Kowal, S. Kornas, P. Nosal, M. Basiaga, more

Annals of Parasitology > 2016 > 62 > 1

The conducted study has focused on domestic, as well as wild ruminant species. The post mortem examination was carried out on 68 animals, including three wild species: roe deer (Capreolus capreolus) (25 indyviduals), red deer (Cervus elaphus) (6), fallow deer (Dama dama) (5) and two domestic: sheep (Ovis aries) (14) and cattle (Bos taurus) (18). Some of the species have also been investigated in the...

article

Cephenemyia stimulator (Diptera) infection in roe deer (Capreolus capreolus) from Kraków area, southern Poland

S. Kornas, J. Kowal, M. Wajdzik, P. Nosal, more

Annals of Parasitology > 2016 > 62 > 2

The aim of the study was to determine the prevalence of botfly (Diptera: Oestridae) larvae infection in roe deer populations (Capreolus capreolus) in the Kraków area on the basis of necropsy and questionnaire surveys. Hunters were surveyed about the age and sex of hunted animals, and the origin of their habitat. All parasite specimens were identified to species in the laboratory. The parasites were...

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INFONA - science communication portal

Search results for: J. Kowal

Compartmentalized ciliation changes of oligodendrocytes in aged mouse optic nerve

Atmospheric pollution, soil nutrients and climate effects on Mucoromycota arbuscular mycorrhizal fungi

Distribution of prototypical primary cilia markers in subtypes of retinal ganglion cells

Developmental distribution of primary cilia in the retinofugal visual pathway

Coccidiosis – a problem in backyard rabbitries

The royal military college of Canada: Responding to the call for change

The royal military college of Canada: responding to the call for change

Tarantobelus arachnicida (Nematoda: Rhabditida) invasion of exotic spiders in Poland

Heterakis isolonche Linstow, 1906 - a new nematode species found in ornamental pheasants in Poland

The occurrence and diversity of flies (Diptera) related to ruminant farming in southern Poland

A method of screw thread measurement using a 3D vision system

Automatization of screw thread profile measurement using a 3D vision system

Role of phase separation on the biological performance of 45S5 Bioglass^®

Sky-hook control and Kalman filtering in nonlinear model of tracked vehicle suspension system

The effect of increased crude protein level and/or dietary supplementation with herbal extract blend on the performance of chickens vaccinated against coccidiosis

Methods of 3D imaging used in quality inspection systems in manufacturing

Association between high on-treatment platelet reactivity and occurrence of cerebral ischemic events in patients undergoing percutaneous coronary intervention

Cenna szata roślinna Polany Krawcula w Beskidzie Żywieckim i problemy jej ochrony

Lungworm (Nematoda: Protostrongylidae) infection in wild and domestic ruminants from Malopolska region of Poland

Cephenemyia stimulator (Diptera) infection in roe deer (Capreolus capreolus) from Kraków area, southern Poland

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