Sökning: "molecular processes"

Visar resultat 1 - 5 av 1638 avhandlingar innehållade orden molecular processes.

1. 1. Experiencing Molecular Processes : The Role of Representations for Students' Conceptual Understanding

   Författare :Caroline Larsson; Lena Tibell; Astrid Bulte; Linköpings universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

   Sammanfattning : Knowledge of molecular processes is crucial for fundamental understanding of the world and diverse technological applications. However, they cannot be clearly related to any directly experienced phenomena and may be very different from our intuitive expectations. LÄS MER

3. 2. Molecular Hole Punching : Impulse Driven Reactions in Molecules and Molecular Clusters

   Författare :Michael Gatchell; Henning Zettergren; Henrik Cederquist; Henning Schmidt; Joachim Burgdörfer; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; PAHs; Fullernes; Reactions; Clusters; Interstellar Medium; Fragmentation; Non-Statistical Fragmentation; Collisions; Experiments; Molecular Dynamics; Density Functional Theory; fysik; Physics;

   Sammanfattning : When molecules are excited by photons or energetic particles, they will cool through the emission of photons, electrons, or by fragmenting. Such processes are often thermal as they occur after the excitation energy has been redistributed across all degrees-of-freedom in the system. LÄS MER

4. 3. Molecular Regulation of Inflammation and Angiogenesis in the Tumor Microenvironment

   Författare :Lothar Dieterich; Anna Dimberg; Lena Claesson-Welsh; Jonas Fuxe; Uppsala universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; stroma; glioma; alphaB-crystallin; HSPB5; cryab; myeloid cells; Morphology; cell biology; pathology; Morfologi; cellbiologi; patologi; Cell and molecular biology; Cell- och molekylärbiologi; Molekylär medicin; Molecular Medicine;

   Sammanfattning : Tumor growth and progression not only depend on properties of the malignant cells but are strongly influenced by the tumor microenvironment. The tumor stroma consists of various cell types such as inflammatory cells, endothelial cells and fibroblasts, which can either inhibit or promote tumor growth. LÄS MER

5. 4. Ions colliding with molecules and molecular clusters : fragmentation and growth processes

   Författare :Tao Chen; Henrik Cederquist; Hutton Roger; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; PAH; H2; C60; fragmentation; fysik; Physics;

   Sammanfattning : In this work we will discuss fragmentation and molecular growth processes in collisions of Polycyclic Aromatic Hydrocarbon (PAH) molecules, fullerenes, or their clusters with atoms or atomic ions. Simple collision models as well as molecular structure calculations are used to aid the interpretations of the present and other experimental results. LÄS MER

7. 5. Molecular Processes in Dynamic Wetting : Du som saknar dator/datorvana kan kontakta Cathrine Bergh, [email protected] för information

   Författare :Petter Johansson; Berk Hess; Erik Lindahl; Guillaume Galliero; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; contact lines; nanodroplets; computational physics; molecular dynamics; fluid dynamics; multi-phase flows; electrowetting; Biologisk fysik; Biological Physics;

   Sammanfattning : The spreading of liquids onto and over surfaces is a fundamental process in nature. It is present in all forms and sizes: From rivers carving through landscapes, to our blood stream transporting nutrients to cells, and even single water molecules moving through channels into these cells. LÄS MER