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A polymerase chain reaction for the specific detection of mycobacteria belonging to the Mycobacterium tuberculosis complex was developed. Using a single primer pair derived from the nucleotide sequence of protein antigen b of M. tuberculosis, we achieved specific amplification of a 419-base-pair DNA fragment in M. tuberculosis and M. bovis. After DNA was extracted from mycobacteria by using a simp
The ordinary differential equations given by Ljung(1977) are used to analyse the behaviour of a certain adaptive extremal controller. It is shown that this controller will usually converge to the wrong point.This work was supported by the Swedish Board for Technical Development under contract No. 76-3804.
Silicon microtechnology has been used to develop a microstructure toolbox in order to enable high accuracy protein identification. During the last 2 years we developed and applied monocrystalline silicon structures and established new automated protein analysis platforms, The development of a high throughput protein platform is presented where fully automated protein identifications are performed.
Universitetslektor Kontaktinformation E-post: nicklas [dot] guldaker [at] keg [dot] lu [dot] se Telefon: +462223279 Mobil: +46 72 541 10 66Organisation Institutionen för kulturgeografi och ekonomisk geografi Besöksadress: Geocentrum I, Sölvegatan 10, Lund Hämtställe: 16 WebbplatsNicklas Guldåkers profil i Lunds universitets forskningsportalAndra roller Docent Institutionen för kulturgeografi och e
https://www.keg.lu.se/nicklas-guldaker - 2026-07-21
Habitat selection is an important process that affects the distribution and abundance of organisms, and habitat selection theory is one of the flagships of theoretical ecology. Because of the importance of habitat selection in natural ecosystems and the successful history of the theoretical concepts, it has been Suggested that habitat selection theory can inform decision-making in population monit
A search for single top quark production is performed in the full e(+/-)p data sample collected by the H1 experiment at HERA, corresponding to an integrated luminosity of 474 pb(-1). Decays of top quarks into a b quark and a W boson with Subsequent leptonic or hadronic decay of the W are investigated. A multivariate analysis is performed to discriminate top quark production from Standard Model bac
In this study, typical load shapes for two categories of Swedish commercial and public buildings – schools and hotels – are presented and discussed. The measurements from 13 schools and 9 hotels in the south part of Sweden were analysed. Load shapes are developed for different mean daily outdoor temperatures and different day-types - standard weekdays and standard weekends. The load shapes are pre
Employment restrictions have been experienced by many people with epilepsy. In many cases, the restrictions are unjustified and based on stigma or a stereotypical image of the person with epilepsy. Unjustifiable restrictions are a form of discrimination and lead to unemployment and underemployment. Unfortunately, much of the research in this area has been difficult to interpret because of differen
We tested two consequences of a currently influential theory based on the notion of seeing adaptations to climate change as local adjustments to deal with changing conditions within the constraints of the broader economic–social–political arrangements. The notion leaves no explicit role for the strength of personal beliefs in climate change and adaptive capacity. The consequences were: (i) adaptiv
The concept of a fair and optimal allocation was recently introduced by Sun and Yang [Sun, N., Yang, Z., 2003. A general strategy proof fair allocation mechanism. Economics Letters 81, 73-79]. This note states some basic properties of fair and optimal allocations and provides a simple algorithm for identifying them. (C) 2007 Elsevier B.V. All fights reserved.
Polysulfone has been sulfophenylated by lithiation and anionic reaction with 2-sulfobenzoic acid cyclic anhydride. This provides a new convenient method to modify polysulfones by attaching pendant sulfonated phenyl groups via ketone links. Membranes of the sulfophenylated polysulfones show promise for use in proton-exchange-membrane fuel cells. For example, a membrane with 0.9 sulfophenyl units pe
By use of time-resolved spectroscopy it is possible to separate light scattering effects from chemical absorption effects in samples. In the study of propagation of short light pulses in turbid samples the reduced scattering coefficient and the absorption coefficient are usually obtained by fitting diffusion or Monte Carlo models to the measured data by use of numerical optimization techniques. In
A p-compact group, as defined by Dwyer and Wilkerson, is a purely homotopically defined p-local analog of a compact Lie group. It has long been the hope, and later the conjecture, that these objects should have a classification similar to the classification of compact Lie groups. In this paper we finish the proof of this conjecture, for p an odd prime, proving that there is a one-to-one correspond
We describe a simple, yet practical and precise. way of measuring sorption isotherms with each sample in its own glass jar with a saturated salt solution. The measurements are done with below-balance weighing and with the sample kept inside the closed jar during the whole measurement period, providing constant relative humidity (RH) conditions. The technique has been tested on microcrystalline cel
The function of six porcine left lung allografts was studied after pulmonary (140 mL/kg) and bronchial (50 mL/kg) artery perfusion with Perfadex (Kabi Pharmacia, Uppsala, Sweden) at room temperature, followed by 24-hour storage of the lungs in an atelectatic state in 6 degrees to 8 degrees C Perfadex, which is a low-potassium-dextran solution. Left lung transplantation was done followed by right p
