Search Results - "Vrønning Hoffmann, Søren"
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Coupled Binding and Helix Formation Monitored by Synchrotron-Radiation Circular Dichroism
Published in Biophysical journal (20-08-2019)“…Intrinsically disordered proteins organize interaction networks in the cell in many regulation and signaling processes. These proteins often gain structure…”
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2
On the delocalization length in RNA single strands of cytosine: how many bases see the light?
Published in Physical chemistry chemical physics : PCCP (29-01-2020)“…The interplay between multiple chromophores in nucleic acids and photosynthetic proteins gives rise to complex electronic phenomena and largely governs the…”
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3
Circular dichroism, anisotropy and absorption spectroscopy of chlorophyll b in methanol and mixed methanol-water solutions
Published in Physical chemistry chemical physics : PCCP (07-12-2020)“…The spectroscopic properties of chlorophyll (Chl) strongly depend on interactions with other Chl molecules, a fact that nature exploits in light harvesting by…”
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4
Absolute Photoabsorption Cross-Sections of Methanol for Terrestrial and Astrophysical Relevance
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (15-10-2020)“…We investigate the methanol absorption spectrum in the range 5.5–10.8 eV to provide accurate and absolute cross-sections values. The main goal of this study is…”
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5
The Bacterial Amyloid-Like Hfq Promotes In Vitro DNA Alignment
Published in Microorganisms (Basel) (03-12-2019)“…The Hfq protein is reported to be involved in environmental adaptation and virulence of several bacteria. In Gram-negative bacteria, Hfq mediates the…”
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Vacuum-ultraviolet circular dichroism spectroscopy of DNA: a valuable tool to elucidate topology and electronic coupling in DNA
Published in Physical chemistry chemical physics : PCCP (01-01-2010)“…Circular dichroism (CD) is a powerful technique to obtain information on electronic transitions and has been used extensively for studies on DNA. Most…”
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7
Kinetics of DNA duplex formation: A-tracts versus AT-tracts
Published in Physical chemistry chemical physics : PCCP (01-01-2014)“…The hybridisation and melting of DNA strands are critical steps in many biological processes, but still a deeper understanding of the kinetics is lacking. This…”
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8
Amyloid-like Hfq interaction with single-stranded DNA: involvement in recombination and replication in Escherichia coli
Published in QRB discovery (2022)“…Interactions between proteins and single-stranded DNA (ssDNA) are crucial for many fundamental biological processes, including DNA replication and genetic…”
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Synchrotron radiation circular dichroism (SRCD) spectroscopy: An emerging method in structural biology for examining protein conformations and protein interactions
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-09-2011)“…Circular dichroism (CD) spectroscopy is a well-established technique in structural biology. The use of synchrotron radiation as an intense light source for…”
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Vacuum-ultraviolet circular dichroism reveals DNA duplex formation between short strands of adenine and thymine
Published in Physical chemistry chemical physics : PCCP (21-11-2012)“…Absorbance spectroscopy is used extensively to tell when two DNA single strands come together and form a double strand. Here we show that circular dichroism in…”
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11
Water-in-Oil Micro-Emulsion Enhances the Secondary Structure of a Protein by Confinement
Published in Chemphyschem (17-09-2012)“…A scheme is presented in which an organic solvent environment in combination with surfactants is used to confine a natively unfolded protein inside an inverse…”
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12
Effect of introducing thymine spacers into an adenine strand: Electronic decoupling?
Published in Journal of photochemistry and photobiology. A, Chemistry. (30-04-2011)“…► Electronic coupling between two adenines in DNA strands is broken by a thymine spacer. ► Synchrotron radiation CD spectra of A n T m A n ( n = 1?5 and m =…”
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13
Reference Data Set for Circular Dichroism Spectroscopy Comprised of Validated Intrinsically Disordered Protein Models
Published in Applied spectroscopy (01-09-2024)“…Circular dichroism (CD) spectroscopy is an analytical technique that measures the wavelength-dependent differential absorbance of circularly polarized light…”
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14
Ionic strength and calcium regulate membrane interactions of myelin basic protein and the cytoplasmic domain of myelin protein zero
Published in Biochemical and biophysical research communications (26-03-2019)“…The formation of a mature myelin sheath in the vertebrate nervous system requires specific protein-membrane interactions. Several myelin-specific proteins are…”
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Conformational analysis of membrane-proximal segments of GDAP1 in a lipidic environment using synchrotron radiation suggests a mode of assembly at the mitochondrial outer membrane
Published in Biophysical chemistry (01-12-2023)“…The mitochondrial outer membrane creates a diffusion barrier between the cytosol and the mitochondrial intermembrane space, allowing the exchange of metabolic…”
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Cubosome lipid nanocarriers for delivery of ultra-short antimicrobial peptides
Published in Journal of colloid and interface science (01-01-2025)“…[Display omitted] Although antimicrobial peptides (AMPs) are a promising class of new antibiotics, their inherent susceptibility to degradation requires…”
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Analysis of the Structure of 14 Therapeutic Antibodies Using Circular Dichroism Spectroscopy
Published in Analytical chemistry (Washington) (10-09-2024)“…Understanding the impact of the manufacturing environment on therapeutic monoclonal antibody (mAb) structures requires new process analytical technology. Here,…”
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18
Fingerprints of Bonding Motifs in DNA Duplexes of Adenine and Thymine Revealed from Circular Dichroism: Synchrotron Radiation Experiments and TDDFT Calculations
Published in The journal of physical chemistry. B (16-07-2009)“…Synchrotron radiation circular dichroism (SRCD) spectra were recorded for a family of 12 DNA duplexes that all contain nine adenines (A) and nine thymines (T)…”
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The ionized states of 6,6-dimethylfulvene; the vibrational energy levels studied by photoionization, configuration interaction and density functional calculations
Published in Chemical physics letters (01-06-2022)“…The UV-photoelectron spectrum of 6,6-dimethylfulvene recorded at hv=50 eV with the scaled symmetry-adapted cluster configuration interaction (SAC-CI) ionic…”
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Organic Aerosols in Anoxic and Oxic Atmospheres of Earth-like Exoplanets: VUV-MIR Spectroscopy of CHON Tholins
Published in The Astrophysical journal (11-07-2018)“…Organic hazes can drastically impact the characterization and detection of exoplanet atmospheres. We explore the effects of the transition from an anoxic to…”
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