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Experiments were done to examine the phototrophic response of sun-tracking leaves of Lupinus succulentus Dougl. to fixed beams of white and broad band light. Upon irradiation with 15 W m-2 white light that struck the laminae at an angle of 45°, there was a 45–60 min lag period prior to leaf movement. The greatest rate of movement was 15° h-1, and reorientation ceased when leaves attained a positio
We have performed investigations to see if the emergent macrophyte Phragmites australis (Cav.) Trin. ex Steud. exhibits phenotypic plasticity as a response to water depth and if such responses in biomass allocation pattern and morphology are functional responses, improving the performance of the plant. In greenhouse experiments plants were grown in deep or shallow water to evaluate plastic respons
In acidic soils, monomeric aluminium (Al3+) can reach levels that are toxic to plants, thus preventing many species from growing there. Organic acids chelate Al and render it non-toxic. It has been shown that exudation of organic acids by Al-tolerant crops increases their tolerance to Al. We have extended this observation to wild plants by comparing the ability of ten herbs to exude organic acids
1. We studied the resting metabolic rate (MR) from two great tit Parus major (Linnaeus) populations living in different winter regimes. Birds from the two different localities were exposed individually to +25 °C, 0 °C and −10 °C for the night in three consecutive sessions in random order. 2. Birds from Lund (Sweden) had a lower basal MR, as measured at thermoneutrality (+25 °C), than had birds f
Two different commercial polymeric materials, a silicone and a polyurethane (PUR), were studied with regard to correlations between the chemical and physical compositions of the polymer surfaces and the biological response on implantation. Test specimens of the materials were manufactured according to standard procedures. The specimens were implanted in rats for 10 and 90 days. Before implantation
The carbon balance of terrestrial ecosystems is particularly sensitive to climatic changes in autumn and spring(1-4), with spring and autumn temperatures over northern latitudes having risen by about 1.1 degrees C and 0.8 degrees C, respectively, over the past two decades(5). A simultaneous greening trend has also been observed, characterized by a longer growing season and greater photosynthetic a
Arctic areas of deep-water convection have a large potential for export of organic carbon from surface waters into the deep sea and, therefore, are an important part of the global carbon cycle. As the Arctic is reportedly heating up faster than any other part of the planet, temperature-driven changes in the biogeochemical cycling in these areas can be very significant. Here, we study the regulatio
Purpose: To investigate the expression and predictive role of the Mre11/Rad50/Nbs1 (MRN) complex and the ataxia-telangiectasia mutated protein (ATM) for the outcome of radiotherapy in breast cancer patients. Methods and Materials: The protein expression of ATM and the DNA repair proteins in the MRN complex were investigated using immunohistochemistry in tumors from 224 women with early breast canc
An imbalanced serum IgG subclass pattern was identified in 10 patients with toxic shock syndrome (TSS) showing remarkably low subclass levels of various combinations. IgG2 levels were significantly reduced as compared to normal controls. The IgG subclass-specificity of antibodies to toxic shock syndrome toxin (TSST-1) was investigated by a solid-phase radioimmunoassay. TSS-patients lacked pre-immu
Sociologisk forskning beskriver samtiden som ett senmodernt samhällstillstånd, som kännetecknas av snabb förändring, individualisering, globalisering och osäkerhet inför framtiden. Ett av rättens syften är att påverka människors beteenden, vilket kanske tydligast manifesteras genom straffrätten. Detta examensarbete undersöker hur straffrättens mål att påverka normer och styra beteenden tar form i Sociological research describes contemporary society as a condition of late modernity, characterized by rapid change, individualisation, globalisation, and uncertainty about the future. One of the purposes of law is to influence human behaviour, insofar as this is possible. A function that is perhaps most evidently manifested through criminal law. This thesis examines how criminal law’s aim to sha
Here you can read about how to invoice Lund University and what information should be included in an invoice. ProcurementProcurement system with supplier portalLund University uses the procurement system Kommers. This also includes a supplier portal.As a supplier, you can register for free to receive notifications about all our requests for quotation (RFQs) and requests for information (RFIs). All
https://www.lunduniversity.lu.se/about-university/contact-us/supplier-portal - 2026-07-09
Centre for Mathemat ica l Sc iences Divis ion of Mathemat ics and Numerica l Analys is Course Analysis for MATK11, MASK11, NUMK11, MATM03, MASM02, NUMM03 Degree Project Course, Spring 2025 Course Information Lecturer: Ebba Ruhe and Anitha Thillaisundaram Teaching assistants: None Number of students: 62 registered. 11 students answered the course evaluation, 8 of them are enrolled on programme name
https://www.maths.lu.se/fileadmin/maths/Matematik_NF/Kursutvaerderingar/VT2025/Degree_Project_Course_VT25.pdf - 2026-07-09
