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Two-dimensional femtosecond broadband electronic spectroscopy was used to simultaneously probe parallel pathways of energy transfer in the major light harvesting complex of Photosystem II from plants. Sub-100 femtosecond relaxation between delocalized excitonic states on highly coupled clusters of chlorophylls and several hundred femtosecond to picosecond components of relaxation between clusters
Two-dimensional optical spectroscopy is used to probe electronic couplings and ultrafast dynamics in photosynthetic light-harvesting complexes. Data and analysis reveal contributions to line-broadening, signatures of weakly- and strongly-coupled chromophores, and pathways of energy transfer.
Liturgical life in today's Catholic Church in the Western world is dominated by women, alt-hough the priesthood remains reserved for men. Conservative critics speak of a feminization of worship life, which is said to be a consequence of the liturgical reform implemented after the Second Vatican Council in the 1960s. This movement gained traction in academic youth circles, and although women also j
HYPOTHESIS: Digestion pathways of plant proteins are of high relevance to optimize bioavailability and allergenicity profiles of sustainable and vegan food products. Understanding the structural breakdown of solid food presents a particular challenge, due to the complexity to realize a good model system suitable for comprehensive multi-technique characterization under realistic conditions.EXPERIME
Hard alumina-based coatings can be applied to cast iron brake discs using a plasma electrolytic aluminating (PEA) process to enhance wear and corrosion resistance and reduce brake particle emissions. This work was first to study the influence of friction wear on corrosion property and then investigate the influence of corrosion on brake particle emissions from cast iron discs through comparison of
This chapter explores the intersection of authenticity, commercialization, and influencer culture in digital fashion media through the case study of Swedish retailer Ellos’ “Made by Women” campaign. Using a qualitative methodology, the study investigates how brands instrumentalize personal narratives to create emotional engagement while serving commercial interests. The findings reveal a paradox o
The transition from batch-wise to integrated continuous manufacturing of biopharmaceuticals has gained significant attention over the past decade. While this concept has been thoroughly studied, there remains significant room for improvement in terms of process automation and real-time monitoring. This study showcases the implementation of an integrated downstream process at a lab scale, operating
The human immune system is influenced by factors such as sex hormones, chromosomes, age, infections, and the environment, leading to distinct immune profiles between individuals and between sexes. Females typically mount stronger immune responses, increasing protection against infections but also susceptibility to autoimmune diseases. Testosterone, acting through the androgen receptor (AR), is a k
Enteroviruses are widespread pathogens implicated in acute illness and increasingly linked to chronic diseases such as type 1 diabetes. Despite their impact, no FDA-approved antiviral therapies exist for enterovirus infections. Resistance to direct-acting antivirals underscores the need for alternative strategies. Given enteroviruses’ dependence on host machinery, targeting host factors, particula
Complement C3 in control: Pulling the strings behind β-cells in the diabetes scene Complement protein C3 has been discovered to be expressed in the pancreatic β-cells and play crucial roles in their biology regardless of the Immune responses. In my project, I looked into further uncovering the novel roles and intracellular processing of this protein in the β-cells. Complement system is a well-st
Production of Recombinant Antibodies Using Modular Cloning Antibodies are a part of the immune system tasked in recognizing and binding foreign substances, antigens, and recruiting other parts of the immune system to neutralize them. Antibodies are Y-shaped proteins consisting of two heavy and two light chains. Both light and heavy chains contribute to the variable and constant regions of the ant
Close encounters of the TE kind: molecular consequences of MORC2 mutations Nearly half of our DNA is composed of transposable elements (TEs), sequences that can copy and move around within the genome. When they move, they can disrupt the stability of our genome and cause damage to our cells. In response to that, cells have evolved mechanisms to minimize their movements. One protein that repress
Ryktesspridning och mellanhänder har aldrig varit viktigare Immunförsvaret är din kropps skydd mot omvärldens patogener – mikroskopiska organismer som kan framkalla sjukdom. Ett virus, en bakterie eller en parasit. Immunförsvaret kan liknas vid en armé där, liksom vid fronten av ett krig, olika befattningar har särkilda arbetsuppgifter. Likaså har de olika immuncellerna särkilda arbetsuppgifter. The field of cancer immunology is complex and diverse. In the case of breast cancer, recent advances indicate a prognostic relevance of the lymph node resident subcapsular sinus macrophage (CD169+ macrophages). Depending on the location of its presence, it is correlated with either an improved or worsened prognosis. Remarkably, these CD169+ macrophages display the function of aiding B cell activat
A much debated topic in recent studies of ultrafast exciton dynamics in molecular aggregates has been the precise definition of the exciton coherence domain in the B850 aggregate of photosynthetic purple bacteria. In this work we compare several measures of exciton delocalization and their variation with temperature, inhomogeneous broadening, and time. We find that the exciton wave packet prepared
Staten har — inte minst med tanke på det förändrade omvärldsläget — god anledning att vara tydlig i kommunikationen, så att statens institutioner inte förväxlas med privata verksamheter. Detta gör att det rättsliga skyddet för statssymboler blir en viktigare fråga än tidigare. Men regelverket avseende svenska statssymboler och andra officiella symboler (såsom kommunvapen) är ganska svåröverskådlig
BackgroundAntibiotics are handled in large amounts at hospitals at many different wards due to the wide range of bacterial infections that are treated. Unnecessary use and occupational exposure to antibiotics should be avoided due to the risk of bacterial resistance development and adverse health effects including skin and respiratory hypersensitivity reactions in persons handling these drugs.Obje
Anisotropy and isotropic transient absorption decays of a polythiophene derivative in dilute solution have been measured and compared to calculated decays on Monte Carlo simulated polymer chains to obtain knowledge about the geometrical conformation of the polymer. The polymer chain conformations are generated by a partially correlated self-avoiding random walk. Excitation migration along the isol
