Robert Sturm
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View article: Microscopic Visualization of Crystal Twinning in Accessory Zircon
Microscopic Visualization of Crystal Twinning in Accessory Zircon Open
In general, crystal twinning in accessory zircon represents a rare, but in almost all granites and gneisses, encounterable phenomenon. Since only the crystal face {101} occurs as a twin plane, formation of crystal twins turns out to be rel…
View article: Analysis of Magmatic Crystal Destruction by Backscattered Electron Imaging
Analysis of Magmatic Crystal Destruction by Backscattered Electron Imaging Open
After their crystallization from magmatic melt, minerals such as accessory zircon are often subject to different kinds of chemical impairment. This includes the radiation-induced damage of the crystal lattice due to the incorporation of ra…
View article: Assessing readiness factors for implementation of LGBTQ+ affirmative primary care initiatives: Practice implications from a mixed-method study
Assessing readiness factors for implementation of LGBTQ+ affirmative primary care initiatives: Practice implications from a mixed-method study Open
Introduction Access and utilization barriers in primary care clinics contribute to health disparities that disproportionately affect lesbian, gay, bisexual, transgender, and queer (LGBTQ+) people. Implementing inclusive practice guidelines…
View article: Modeling tracheobronchial clearance of nanoparticles with variable size and geometry
Modeling tracheobronchial clearance of nanoparticles with variable size and geometry Open
Background: Nanoparticles transported in the ambient atmosphere are generally characterized by a great variety of shapes and aerodynamic diameters adopting values less than 100 nm. According to numerous experimental und theoretical studies…
View article: Antibody-based targeting of alternatively spliced tissue factor: a new approach to impede the primary growth and spread of pancreatic ductal adenocarcinoma
Antibody-based targeting of alternatively spliced tissue factor: a new approach to impede the primary growth and spread of pancreatic ductal adenocarcinoma Open
Alternatively spliced Tissue Factor (asTF) is a secreted form of Tissue Factor (TF), the trigger of blood coagulation whose expression levels are heightened in several forms of solid cancer, including pancreatic ductal adenocarcinoma (PDAC…
View article: Modelling the deposition of fine particulate matter (PM2.5) in the human respiratory tract
Modelling the deposition of fine particulate matter (PM2.5) in the human respiratory tract Open
Background: Fine particulate matter (PM2.5), which is primarily produced in traffic-loaded urban areas, may represent a considerable health hazard, when it is permanently taken up by inhalation. According to the pneumological research this…
View article: Theoretical clearance of diesel exhaust particles in the lungs of children with different ages
Theoretical clearance of diesel exhaust particles in the lungs of children with different ages Open
Background: Particles deposited in the human respiratory tract are subjected to various clearance processes including fast and slow mechanisms of mass removal. Since inhaled diesel exhaust particles (DEP) are mainly accumulated in the bron…
View article: Enhancing primary care services for diverse sexual and gender minority populations: a developmental study protocol
Enhancing primary care services for diverse sexual and gender minority populations: a developmental study protocol Open
Introduction Compared with heterosexual, cisgender populations, sexual and gender minority (SGM) people are more likely to suffer from serious health conditions and insufficient access to health services. Primary care is at the frontlines …
View article: Stereoscopic Imaging of Diatoms in Light and Electron Microscopy
Stereoscopic Imaging of Diatoms in Light and Electron Microscopy Open
During the past decade stereoscopic photography, which had already been developed in the 1850s, experienced a noticeable renaissance in natural sciences. In diverse biological disciplines such as cell biology, morphology and histology, ste…
View article: Theoretical deposition of diesel exhaust particles in the respiratory tract of children
Theoretical deposition of diesel exhaust particles in the respiratory tract of children Open
Background: According to a multitude of scientific investigations diesel exhaust particles (DEP) have to be regarded as serious health hazards. After their uptake from the ambient air by inhalation, they may act as triggers for various pul…
View article: Particles in the lungs of patients with chronic bronchitis—part 1: deposition modeling
Particles in the lungs of patients with chronic bronchitis—part 1: deposition modeling Open
Background: Chronic bronchitis represents a lung disease which is characterized by a non-reversible reduction of the airway calibers and, as a consequence of that, by a continuous widening of the terminal lung structures. In the present co…
View article: Structural competency in emergency medicine services for transgender and gender non-conforming patients
Structural competency in emergency medicine services for transgender and gender non-conforming patients Open
In this formative qualitative research, we draw upon the concepts of structural vulnerability and structural competency to examine how transgender and gender non-conforming (TGGNC) patients and healthcare personnel experience service deliv…
View article: Motoric activity of the receptaculum seminis and ductus receptaculi in females of the house cricket Acheta domesticus (L., 1758) (Insecta: Orthoptera)
Motoric activity of the receptaculum seminis and ductus receptaculi in females of the house cricket Acheta domesticus (L., 1758) (Insecta: Orthoptera) Open
Sturm, Robert (2018): Motoric activity of the receptaculum seminis and ductus receptaculi in females of the house cricket Acheta domesticus (L., 1758) (Insecta: Orthoptera). Linzer biologische Beiträge 50 (2): 1679-1687, DOI: 10.5281/zenod…
View article: Dependence of the sperm number on the adult age of the male black field cricket Teleogryllus commodus W ALKER (Insecta: Orthoptera)
Dependence of the sperm number on the adult age of the male black field cricket Teleogryllus commodus W ALKER (Insecta: Orthoptera) Open
Sturm, Robert (2018): Dependence of the sperm number on the adult age of the male black field cricket Teleogryllus commodus W ALKER (Insecta: Orthoptera). Linzer biologische Beiträge 50 (2): 1689-1695, DOI: 10.5281/zenodo.5272852
View article: Theoretical and experimental study on the nymphal growth of the Australian field cricket (Insecta: Orthoptera)
Theoretical and experimental study on the nymphal growth of the Australian field cricket (Insecta: Orthoptera) Open
Sturm, Robert (2018): Theoretical and experimental study on the nymphal growth of the Australian field cricket (Insecta: Orthoptera). Linzer biologische Beiträge 50 (1): 855-863, DOI: 10.5281/zenodo.4016887
View article: Stereological analysis of the sperm number in the testicular follicles of the Australian field cricket (Insecta: Orthoptera)
Stereological analysis of the sperm number in the testicular follicles of the Australian field cricket (Insecta: Orthoptera) Open
Sturm, Robert (2018): Stereological analysis of the sperm number in the testicular follicles of the Australian field cricket (Insecta: Orthoptera). Linzer biologische Beiträge 50 (1): 865-872, DOI: 10.5281/zenodo.4004433
View article: Stereoscopic Effects from Single SEM Images
Stereoscopic Effects from Single SEM Images Open
View article: Deposition of carbon nanotubes in the human respiratory tract: a theoretical approach
Deposition of carbon nanotubes in the human respiratory tract: a theoretical approach Open
Background: The study aims to describe the behavior of single-wall and multi-wall carbon nanotubes (SWCNT, MWCNT) in the human respiratory tract (HRT). Based on a theoretical deposition model, possible accumulation of these particles in di…
View article: Theoretical deposition of variably sized platelets in the respiratory tract of healthy adults
Theoretical deposition of variably sized platelets in the respiratory tract of healthy adults Open
Background: Numerous types of airborne particles representing by-products of mechanical processes such as milling, abrading or polishing are characterized by platelet-like shapes. Besides these particles of the micrometer scale also nanopl…
View article: Theoretical deposition of random walk-generated nanoaggregates in the lungs of healthy males and females
Theoretical deposition of random walk-generated nanoaggregates in the lungs of healthy males and females Open
Background: Particle aggregates with different complexity and size represent an essential component of the ambient atmosphere. Therefore, theoretical knowledge on the effects of this particle group in the human respiratory tract is indispe…
View article: Theoretical model of clearance in the tracheobronchial airways of healthy subjects and smokers
Theoretical model of clearance in the tracheobronchial airways of healthy subjects and smokers Open
Background: According to experimental and theoretical studies long-term inhalation of tobacco smoke is associated with serious health effects, among which impairment of tracheobronchial clearance plays an important role. The present contri…
View article: Use of stereophotography in insect science - methods and applications
Use of stereophotography in insect science - methods and applications Open
Sturm, Robert (2017): Use of stereophotography in insect science - methods and applications. Linzer biologische Beiträge 49 (2): 1209-1218, DOI: 10.5281/zenodo.5410260
View article: Theoretical simulation of diesel exhaust particle clearance from the human respiratory tract
Theoretical simulation of diesel exhaust particle clearance from the human respiratory tract Open
Background: Diesel exhaust particles (DEP) deposited in the human respiratory tract are commonly seized by an innate defense system including a multitude of clearance mechanisms. Whilst in the larger tracheobronchial airways fast mucocilia…
View article: Dependence of daily oviposition activity and total fecundity on body mass in the house cricket Acheta domesticus (L.) (Insecta: Orthoptera)
Dependence of daily oviposition activity and total fecundity on body mass in the house cricket Acheta domesticus (L.) (Insecta: Orthoptera) Open
Sturm, Robert (2017): Dependence of daily oviposition activity and total fecundity on body mass in the house cricket Acheta domesticus (L.) (Insecta: Orthoptera). Linzer biologische Beiträge 49 (1): 961-969, DOI: 10.5281/zenodo.5409858
View article: Deposition of diesel exhaust particles in the human lungs: theoretical simulations and experimental data
Deposition of diesel exhaust particles in the human lungs: theoretical simulations and experimental data Open
Background: Based on numerous experimental and epidemiological studies diesel exhaust particles (DEPs) have been evaluated as serious health hazards, whose uptake by inhalation causes an increase of the relative risk for lung cancer. Due t…
View article: Stereoscopic Photography in Transmitted Light Microscopy
Stereoscopic Photography in Transmitted Light Microscopy Open
The present contribution describes two techniques for the efficient generation of scientifically useable 3D images.The first method is the production of stereo pairs by photographing a microscopic object from two slightly different perspec…
View article: Aerosol bolus dispersion in male and female subjects: a theoretical analysis
Aerosol bolus dispersion in male and female subjects: a theoretical analysis Open
Background: The main objective of the present contribution consists in a detailed theoretical description of aerosol bolus dispersion in the lungs of male and female probands. The work is founded on the hypothesis that intrapulmonary bolus…
View article: Bioaerosols in the lungs of subjects with different ages—Part 2: clearance modeling
Bioaerosols in the lungs of subjects with different ages—Part 2: clearance modeling Open
The study comes to the conclusion that infants and children dispose of an enhanced bronchial clearance efficiency with respect to adolescents and adults, which results in a faster removal of particulate substances accumulated in the upper …
View article: Theoretical diagnosis of emphysema by aerosol bolus inhalation
Theoretical diagnosis of emphysema by aerosol bolus inhalation Open
From the hypothetical results presented in this study it may be concluded that aerosol bolus inhalation bears a certain potential for the diagnosis of emphysematous structures and, if applied with sufficient accuracy, also for the distinct…