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We introduce rigorous theory for deriving first and second order backpropagation methods for Deep Neural Networks (DNN) whilst satisfying existing theory in DNN optimization. We begin by formally defining a neural network with its respective components and state the first and second order chain rule with respect to its partial derivatives. The partial derivatives in the chain rule formula are rela

Popular Abstract in Swedish Grupp B streptokocker (GBS; Streptococcus agalactiae) är den vanligaste orsaken till livs-hotande infektioner hos nyfödda barn. Enbart i USA orsakar GBS ~10 000 fall av meningit (hjärnhinneinflammation), pneumoni (lunginflammation) och sepsis (blodförgiftning) varje år. Infektionerna har hög dödlighet och en stor del av de barn som överlever infektionerna får bestående Streptococcus pyogenes (group A streptococcus) and the group B streptococcus (GBS) are two important human pathogens that cause different types of diseases and express different surface structures implicated in virulence. This thesis focuses on several surface proteins expressed by these pathogens, analyzing the biological function of these proteins and their ability to elicit protective immunity.

A series of homoleptic bis(tridentate) [Ru-(L)(2)](2+) (1, 3) and heteroleptic [Ru(L)(dqp)](2+) complexes (2, 4) [L = dqxp (1, 2) or dNinp (3, 4); dqxp = 2,6-di(quinoxalin-5-yl)pyridine, dNinp = 2,6-di(N-7-azaindol-1-yl)pyridine, dqp = 2,6-di(quinolin-8-yl)pyridine) was prepared and in the case of 2 and 4 structurally characterized. The presence of dqxp and dNinp in 1-4 result in anodically shifte

Sustainable energy storage and conversion explores innovative methods to efficiently store and transform energy from various renewable sources. It focuses on technologies like advanced batteries, hydrogen production, fuel cells, and thermochemical systems as well as safety aspects of battery storage systems. Research aims to enhance energy density, reduce costs, and improve scalability, enabling r

https://www.energy.lth.se/research/energy-storage-conversion - 2026-05-01

Lithium-ion battery safety is a topic of large importance, and testing is associated with large costs. Safety evaluation is therefore needed also at an early stage in cell design and development, in order to evaluate potential short-comings or to screen large platforms of materials and cells. Previous thermal runaway tests on lab-scale cells have, however, indicated differences in heat release and

Primary hemophagocytic lymphohistiocytosis (HLH) is a life-threatening disorder associated with autosomal recessive variants in genes required for perforin-mediated lymphocyte cytotoxicity. A rapid diagnosis is crucial for successful treatment. Although defective cytotoxic T lymphocyte (CTL) function causes pathogenesis, quantification of natural killer (NK)–cell exocytosis triggered by K562 targe

Recent epidemiological data on diseases caused by beta-hemolytic streptococci belonging to Lancefield group C and G ( GCS, GGS) underline that they are an emerging threat to human health. Among various virulence factors expressed by GCS and GGS isolates from human infections, M and M-like proteins are considered important because of their anti-phagocytic activity. In addition, protein G has been i

Streptococcus pyogenes (Group A streptococcus; GAS) is an important human pathogen responsible for mild to severe, life-threatening infections. GAS expresses a wide range of virulence factors, including the M family proteins. The M proteins allow the bacteria to evade parts of the human immune defenses by triggering the formation of a dense coat of plasma proteins surrounding the bacteria, includi

Streptococcus pyogenes is one of the most common bacteria infecting humans. One of the factors contributing to the disease-causing properties is the secreted streptococcal cysteine proteinase, SpeB, which degrades several host proteins in connective tissue and circulation. SpeB activity depends on the transformation from an inactive precursor, zymogen, into a mature proteinase. We show that

Background: Ocrelizumab is a humanized anti-CD20 antibody with increased antibody-dependent cellular cytotoxicity compared with rituximab. This phase I/II study evaluated its safety and efficacy in patients with relapsed/refractory follicular lymphoma (FL) after prior rituximab therapy. Design and methods: Forty-seven patients were treated in three dose cohorts and received eight infusions every 3

This study explores the use of manganese ore, iron-carbon particles (Fe-C), and gravel as anode fillers in electroactive constructed wetlands (ECWs) to treat wastewater containing pharmaceuticals and personal care products (PPCPs) including ciprofloxacin (CIP), ofloxacin (OFL), and naproxen (NPX), while also assessing bioelectricity production. Although the presence of PPCPs reduced pollutant remo

INTRODUCTION: Synaptic dysfunction and loss are pathological hallmarks of neurodegenerative diseases. Neuronal pentraxin 2 (NPTX2), a presynaptic protein involved in synaptic plasticity, has been linked to cognitive decline in Alzheimer's disease (AD) and other neurodegenerative disorders. METHODS: We developed and validated a novel single molecule array (Simoa) for NPTX2 in cerebrospinal fluid, w

Museum Stobaeanum included a collection of artefacts, originally labeled ”artificialia”. It consisted primarily of ethnographic objects from Asia, North and South America, Russia, Siberia, Greenland and Lapland, but also Classical antiquities, Nordic antiques, curious European works of art, as well as scientific instruments and models. Museum Stobaeanum included a comparatively small collection of

https://www.historiskamuseet.lu.se/stobaeus-project/artefacts - 2026-05-01

2023-09-25 Protokoll LSK Sida 1 av 5 Lokal skyddskommitté PROTOKOLL Diarienummer V 2023/2095 Datum 2023-09-25 Protokoll lokal skyddskommitté Närvarande Karin Hall, stf ordförande Catrin Malmström, kansli N, ledamot Jessica Abbott, biologiska institutionen, ledamot Leif Bülow, kemiska institutionen, ledamot Magnus Alsterfjord, huvudskyddsombud Bengt Meuller, över- och huvudskyddsombud Carina Rasmus

https://www.naturvetenskap.lu.se/internt/sites/naturvetenskap.lu.se.internt/files/2023-12/2023-09-25%20LSK-protokoll-webb.pdf - 2026-05-03

On 19 March, CMES staff and students came together to celebrate Nowruz, the Iranian New Year. Celebrating Nowruz, the Iranian New Year, has become a cherished annual tradition at CMES. On March 19, CMES staff and students gathered at Finngatan to mark the arrival of spring with delicious Iranian cuisine and cultural celebration.Participants had the opportunity to learn about the significance of No

https://www.cmes.lu.se/article/traditional-nowruz-celebrations-cmes - 2026-05-01

Popular Abstract in Swedish Protein H - ett bakteriellt ytprotein med förmåga att binda till olika proteiner hos människa Bakgrund I vårt dagliga liv omges vi av bakterier av många olika slag. Flertalet av dessa är normalt ofarliga och många utgör den så kallade normalfloran hos människa. En del bakterier kan under vissa förhållanden ge upphov till infektion och sjukdom, men för att åstadkomma d