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Journal articles on the topic 'Biophysical Laboratory'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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1

Gango, Sergei, Svetlana Pan'kova, Vladimir Solovyev, Alexander Vanin, and Mikhail Yanikov. "TEACHING METHODS IN THE UNIVERSITY COURSE “BIOPHYSICS”." SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 1 (May 25, 2018): 103. http://dx.doi.org/10.17770/sie2018vol1.3206.

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The article presents some methods and results of experimental teaching biophysics at Pskov State University (Russian Federation). The goal of any university is to train highly qualified specialists. To achieve this aim, the authors suggest following interdisciplinary approach to the educational process. Some topics of the lecture presentations, video clips and demonstration educational experiments as well as examples of computer modelling of biophysical processes are considered. Subjects of the real and virtual biophysical, biological and medical experimental tasks for students working in an e

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Mantilla, Alexander B. C., and Nathan J. Kuwada. "A Flexible Laboratory Exercise Introducing Practical Aspects of Mean Squared Displacement." Biophysicist 2, no. 1 (2021): 126–36. http://dx.doi.org/10.35459/tbp.2020.000157.

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ABSTRACT Mean squared displacement is a standard biophysical tool for characterizing the motion of particles in a thermally dominated environment, yet it is rarely formally introduced or discussed in undergraduate curriculum. Here, we provide a flexible and adaptable experimental or computational lab activity that provides a practical introduction to mean squared displacement and anomalous diffusion that includes optional experimental protocols and computational simulation techniques for data collection and discusses a variety of analysis techniques. This lab activity has been implemented both

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3

Hundzinski, Anne M., and Bruce D. Anderson. "Resonance Energy Transfer in Peptides: A Biophysical Laboratory Experiment." Journal of Chemical Education 76, no. 3 (1999): 416. http://dx.doi.org/10.1021/ed076p416.

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Varakin, A. I., V. V. Mazur, N. V. Arkhipova, and Yu V. Seryanov. "Simulation methods in biophysical pharmacokinetics." Biomedical Engineering 41, no. 3 (2007): 103–7. http://dx.doi.org/10.1007/s10527-007-0022-5.

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5

Howard, Kathleen P. "Thermodynamics of DNA Duplex Formation: A Biophysical Chemistry Laboratory Experiment." Journal of Chemical Education 77, no. 11 (2000): 1469. http://dx.doi.org/10.1021/ed077p1469.

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6

Lhotáková, Zuzana, Veronika Kopačková-Strnadová, Filip Oulehle, et al. "Foliage Biophysical Trait Prediction from Laboratory Spectra in Norway Spruce Is More Affected by Needle Age Than by Site Soil Conditions." Remote Sensing 13, no. 3 (2021): 391. http://dx.doi.org/10.3390/rs13030391.

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Scaling leaf-level optical signals to the canopy level is essential for airborne and satellite-based forest monitoring. In evergreen trees, biophysical and optical traits may change as foliage ages. This study aims to evaluate the effect of age in Norway spruce needle on biophysical trait-prediction based on laboratory leaf-level spectra. Mature Norway spruce trees were sampled at forest stands in ten headwater catchments with different soil properties. Foliage biophysical traits (pigments, phenolics, lignin, cellulose, leaf mass per area, water, and nitrogen content) were assessed for three n

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7

TORSHIN, S. P., and G. A. SMOLINA. "FROM THE COHORT OF OUTSTANDING SCIENTISTS OF TIMIRYAZEV UNIVERSITY TO THE 120TH ANNIVERSARY OF VSEVOLOD KLECHKOVSKIY." Izvestiâ Timirâzevskoj selʹskohozâjstvennoj akademii, no. 5 (2020): 111–17. http://dx.doi.org/10.26897/0021-342x-2020-5-111-117.

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The paper shows the significant contribution of Vsevolod Makrichievich Klechkovskiy to the development of agrochemistry and radioecology. V.M. Klechkovskiy worked all his life at the Department of Agrochemistry of Timiryazev Academy as an assistant professor, associate professor, professor, and Head of the Department. His creative activity was associated with two areas of research – agrochemistry and radioecology (the subject area established by him). In 1946, he was appointed Head of the Biophysical Laboratory (BPhL) at the Department of Agrochemistry and made a significant contribution to th

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Taufiq, Azhary, Melya Riniarti, Duryat Duryat, and Slamet Budi Yuwono. "Biophysical Studies In Khilau Watershed." EnviroScienteae 15, no. 1 (2019): 1. http://dx.doi.org/10.20527/es.v15i1.6317.

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Khilau Watershed (DAS) is one of the sub-watersheds with the status of should be restored. The biophysical conditions of the watershed must be assessed, to determine the suitable actions for land rehabilitation. The purpose of this study was to provide a comparative analysis of baseline data on the biophysical conditions of the Khilau Sub-watershed area based on edaphic and climatic parameters. Data collection method was using cluster sampling in five types of land cover. The data analysis used spatial and laboratory analysis. The results showed that agroforests and annual crops mostly were on

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Gaiduk, M. I., V. V. Grigor'yants, V. P. Zaitsev, V. D. Menenkov, and I. V. Chernousova. "Biophysical substantiation of photoplethysmography in reflected light." Biomedical Engineering 24, no. 2 (1990): 45–50. http://dx.doi.org/10.1007/bf00562866.

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10

Liao, Weilin, Xiaoping Liu, Elizabeth Burakowski, Dagang Wang, Linying Wang, and Dan Li. "Sensitivities and Responses of Land Surface Temperature to Deforestation-Induced Biophysical Changes in Two Global Earth System Models." Journal of Climate 33, no. 19 (2020): 8381–99. http://dx.doi.org/10.1175/jcli-d-19-0725.1.

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AbstractWhile the significance of quantifying the biophysical effects of deforestation is rarely disputed, the sensitivities of land surface temperature (LST) to deforestation-induced changes in different biophysical factors (e.g., albedo, aerodynamic resistance, and surface resistance) and the relative importance of those biophysical changes remain elusive. Based on the subgrid-scale outputs from two global Earth system models (ESMs, i.e., the Geophysical Fluid Dynamics Laboratory Earth System Model and the Community Earth System Model) and an improved attribution framework, the sensitivities

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11

Pastushenkov, Vladimir, Yuri Mitin, Alexander Semenov, Diana Valutite, Sergey Dudnikov, and Madina Gabaeva. "Medical-biological significance of specific CIC and good perspectives of immune complex disintegration using ultrasonic in laboratory diagnostics of HIV-infection." Vestnik of Saint Petersburg University. Medicine 15, no. 4 (2020): 239–45. http://dx.doi.org/10.21638/spbu11.2020.402.

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The article contains data, characterizing results variations of specific laboratory HIV-infection diagnostics after ultrasonic exposure directed at biological objects of blood serum. Detailed consideration of biophysical and medical aspects of tissues response on ultrasonic exposure, including immune complexes dissociation, accompanied by antibodies and antigens appearance, previously being in bound state and inaccessible for revealing by laboratory methods was carried out. On the example of HIV-infection good perspectives of ultrasonic application for immune complexes disintegration in labora

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Zhao, Ying, and Wengeng Zhang. "Biophysical measurement of red blood cells by laboratory on print circuit board chip." ELECTROPHORESIS 40, no. 8 (2018): 1140–43. http://dx.doi.org/10.1002/elps.201800123.

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13

Ozu, Marcelo, Ricardo A. Dorr, Facundo Gutiérrez, M. Teresa Politi, and Roxana Toriano. "A counterpoint between computer simulations and biological experiments to train new members of a laboratory of physiological sciences." Advances in Physiology Education 36, no. 4 (2012): 345–51. http://dx.doi.org/10.1152/advan.00069.2012.

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When new members join a working group dedicated to scientific research, several changes occur in the group's dynamics. From a teaching point of view, a subsequent challenge is to develop innovative strategies to train new staff members in creative thinking, which is the most complex and abstract skill in the cognitive domain according to Bloom's revised taxonomy. In this sense, current technological and digital advances offer new possibilities in the field of education. Computer simulation and biological experiments can be used together as a combined tool for teaching and learning sometimes co

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Fursova, P. V., P. A. Bobyrev, D. V. Risnik, E. N. Voronova, and S. I. Pogosyan. "Bioindicational Potential of Biophysical and Hydrobiological Indicators of Phytoplankton in Experiments with Laboratory Algocenoses." Biology Bulletin Reviews 10, no. 3 (2020): 193–201. http://dx.doi.org/10.1134/s2079086420030032.

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Emelianov, V. Yu, E. V. Preobrazhenskaia, and N. S. Nikolaev. "Evaluating the Effectiveness of Biophysical Methods of Osteogenesis Stimulation: Review." Traumatology and Orthopedics of Russia 27, no. 1 (2021): 86–96. http://dx.doi.org/10.21823/2311-2905-2021-27-1-86-96.

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Background. Stimulation of osteogenesis (SO) by biophysical methods has been widely used in practice to accelerate healing or stimulate the healing of fractures with non-unions, since the middle of the XIX century. SO can be carried out by direct current electrostimulation, or indirectly by low-intensity pulsed ultrasound, capacitive electrical coupling stimulation, and pulsed electromagnetic field stimulation. SO simulates natural physiological processes: in the case of electrical stimulation, it changes the electromagnetic potential of damaged cell tissues in a manner similar to normal heali

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Pupkis, Vilmantas, Rokas Buisas, Indre Lapeikaite, and Vilma Kisnieriene. "Using Plant Cells of Nitellopsis obtusa for Biophysical Education." Biophysicist 2, no. 1 (2020): 18–29. http://dx.doi.org/10.35459/tbp.2019.000130.

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ABSTRACT Using giant characeaen algae Nitellopsis obtusa in laboratory exercises is proposed to familiarize students with basic concepts of electrophysiology and provide some simple hands-on practice. The described concept experiments present extracellular registration of action potentials (APs) and investigation of cytoplasmic streaming properties. Students are expected to register the propagation velocity of APs (found to be 3.4 ± 1.5 cm/s in N. obtusa), as well as the velocity of cytoplasmic streaming (66.7 ± 9 μm/s). Proposed exercises also concern recovery dynamics of cytoplasmic streamin

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Dawes, Michael L., Christian Soeller, and Steffen Scholpp. "Studying molecular interactions in the intact organism: fluorescence correlation spectroscopy in the living zebrafish embryo." Histochemistry and Cell Biology 154, no. 5 (2020): 507–19. http://dx.doi.org/10.1007/s00418-020-01930-5.

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AbstractCell behaviour and function is determined through the interactions of a multitude of molecules working in concert. To observe these molecular dynamics, biophysical studies have been developed that track single interactions. Fluorescence correlation spectroscopy (FCS) is an optical biophysical technique that non-invasively resolves single molecules through recording the signal intensity at the femtolitre scale. However, recording the behaviour of these biomolecules using in vitro-based assays often fails to recapitulate the full range of variables in vivo that directly confer dynamics.

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Melendo-Vega, J. R., M. P. Martín, L. Vilar del Hoyo, J. Pacheco-Labrador, P. Echavarría, and J. Martínez-Vega. "Estimación de variables biofísicas del pastizal en un ecosistema de dehesa a partir de espectro-radiometría de campo e imágenes hiperespectrales aeroportadas." Revista de Teledetección, no. 48 (June 20, 2017): 13. http://dx.doi.org/10.4995/raet.2017.7481.

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<p>The aim of this paper is the estimation of biophysical vegetation parameters from its optical properties. The variables Fuel Moisture Content (<em>FMC</em>), Canopy Water Content (<em>CWC</em>), Leaf Area Index (<em>LAI</em>), dry matter (Cm) and AboveGround Biomass (AGB) were estimated in the laboratory from vegetation samples collected simultaneously with the acquisition of spectral data from the Compact Airborne Spectrographic Imager (CASI) sensor and the field spectroradiometer ASD FieldSpec® 3. Spectral vegetation indices found in the literatur

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19

Hawryshyn, Craig W. "Ultraviolet polarization vision in fishes: possible mechanisms for coding e–vector." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 355, no. 1401 (2000): 1187–90. http://dx.doi.org/10.1098/rstb.2000.0664.

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Polarization vision in vertebrates has been marked with significant controversy over recent decades. In the last decade, however, models from two laboratories have indicated that the spatial arrangement of photoreceptors provides the basis for polarization sensitivity.Work in my laboratory, in collaboration with I. Novales Flamarique and F. I. Harosi, has shown that polarization sensitivity depends on a well–defined square cone mosaic pattern and that the biophysical properties of the square cone mosaic probably account for polarization vision in the ultraviolet spectrum. The biophysical mecha

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20

Barrantes, Francisco J., Silvia Antollini, and Ramiro Massol. "Fluorescence Studies of the Nicotinic Acetylcholine Receptor in its Membrane Environment." Bioscience Reports 19, no. 5 (1999): 335–44. http://dx.doi.org/10.1023/a:1020247802798.

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Since the discovery of the fraction of immobilized lipid in contact with the nicotinic acetylcholine receptor (AChR), the lipid-belt region around this protein has become the focus of a variety of biophysical studies aimed at defining its properties. Here we summarize recent spectroscopic studies from our laboratory using Laurdan fluorescence to characterize distinct sites for lipids and to describe their effect on the AChR microenvironment.

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21

Fursova, P. V., E. N. Voronova, A. P. Levich, D. V. Risnik, and S. I. Pogosyan. "Selection of Species for the Laboratory-Reared Algal Community by Their Hydrobiological and Biophysical Features." Moscow University Biological Sciences Bulletin 72, no. 4 (2017): 184–89. http://dx.doi.org/10.3103/s0096392517040046.

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22

Ulianova, O. V., S. S. Ulyanov, Pengcheng Li, and Qingming Luo. "Biophysical aspects of effects of laser radiation on living systems: I. Effect on laboratory animals." Optics and Spectroscopy 107, no. 6 (2009): 921–26. http://dx.doi.org/10.1134/s0030400x09120145.

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23

de Almeida, Rodrigo F. M., and Joaquim T. M. Marquês. "A Simple Biophysical Experiment to Introduce Ratiometric Measurements and Microplate Fluorimetry in the Laboratory Class." Biophysical Journal 102, no. 3 (2012): 211a. http://dx.doi.org/10.1016/j.bpj.2011.11.1152.

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24

Tisdell, John. "Bringing biophysical models into the economic laboratory: An experimental analysis of sediment trading in Australia." Ecological Economics 60, no. 3 (2007): 584–95. http://dx.doi.org/10.1016/j.ecolecon.2005.12.018.

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25

Agashe, Ruchi, and Razelle Kurzrock. "Circulating Tumor Cells: From the Laboratory to the Cancer Clinic." Cancers 12, no. 9 (2020): 2361. http://dx.doi.org/10.3390/cancers12092361.

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Circulating tumor cells (CTCs) are cells that are shed from tumors into the bloodstream. Cell enrichment and isolation technology as well as molecular profiling via next-generation sequencing have allowed for a greater understanding of tumor cancer biology via the interrogation of CTCs. CTC detection can be used to predict cancer relapse, progression, and survival; evaluate treatment effectiveness; and explore the ex vivo functional impact of agents. Detection methods can be by either immunoaffinity (positive or negative enrichment strategies) or biophysical strategies. CTC characterization, w

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Copeland, Renee, Oluwamayokun T. Oshinowo, Yumiko Sakurai, et al. "A Comparative Medicine Study of Platelet Biophysics Among Hemostasis Models of Different Species." Blood 132, Supplement 1 (2018): 869. http://dx.doi.org/10.1182/blood-2018-99-113107.

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Abstract Background: Animal models of hemostasis play a crucial role in understanding hemostasis and developing novel therapeutic treatments. Hemostasis is a mechanical phenomenon and recent studies have demonstrated that biophysical parameters, such as platelet margination (Walton et al. Blood 2017), thrombus porosity (Welsh et al. Blood 2014), shear forces (Nesbitt et al. Nat Med 2009), compression forces (Ju et al. Nat Comm 2018), and single platelet forces, as measured by platelet contraction cytometry, developed by our laboratory, (Myers et al. Nat Mat. 2017) affect hemostatic processes a

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Melling, Mahmoud, Daniela Karimian-Teherani, Sascha Mostler, Mark Behnam, Grazyna Sobal, and Ernst J. Menzel. "Changes of Biochemical and Biomechanical Properties in Dupuytren Disease." Archives of Pathology & Laboratory Medicine 124, no. 9 (2000): 1275–81. http://dx.doi.org/10.5858/2000-124-1275-cobabp.

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Abstract Background.—The major biochemical characteristic of Dupuytren disease is the progressive and irreversible deposition of excess fibrous collagen characterized by an enhanced type III collagen proportion. Objective.—To investigate the influence of changes of the collagen spectrum on the biophysical properties of the palmar aponeurosis. Design.—Variably affected palmar regions from 30 individuals with Dupuytren disease were classified according to histologic test results and clinical stage. Biochemical, biomechanical, and thermal contracture studies were performed. Results.—The relative

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Gehr, Peter, Marianne Geiser, Vinzenz Im Hof, Samuel Schürch, Urs Waber, and Markus Baumann. "Surfactant and inhaled particles in the conducting airways: Structural, stereological, and biophysical aspects." Microscopy Research and Technique 26, no. 5 (1993): 423–36. http://dx.doi.org/10.1002/jemt.1070260510.

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Dey, Sudip, Surendra Singh, Samrat Dey, et al. "UV-reflecting wing scales in the silk moth Antheraea assamensis: Its biophysical implications." Microscopy Research and Technique 74, no. 1 (2010): 28–35. http://dx.doi.org/10.1002/jemt.20869.

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Martin, Benjamin T., Peter N. Dudley, Neosha S. Kashef, et al. "The biophysical basis of thermal tolerance in fish eggs." Proceedings of the Royal Society B: Biological Sciences 287, no. 1937 (2020): 20201550. http://dx.doi.org/10.1098/rspb.2020.1550.

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A warming climate poses a fundamental problem for embryos that develop within eggs because their demand for oxygen (O 2 ) increases much more rapidly with temperature than their capacity for supply, which is constrained by diffusion across the egg surface. Thus, as temperatures rise, eggs may experience O 2 limitation due to an imbalance between O 2 supply and demand. Here, we formulate a mathematical model of O 2 limitation and experimentally test whether this mechanism underlies the upper thermal tolerance in large aquatic eggs. Using Chinook salmon ( Oncorhynchus tshawytscha ) as a model sy

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Champion, Timothy D., and Richard W. Schwenz. "The energetics of aerobic versus anaerobic respiration: A biophysical chemistry laboratory experiment using an adiabatic calorimeter." Journal of Chemical Education 67, no. 6 (1990): 528. http://dx.doi.org/10.1021/ed067p528.

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Stockman, Brian J., Jill S. Asheld, Paola J. Burburan, Ana Galesic, Zohar Nawlo, and Kylie F. Sikorski. "Design and Characterization of a Zn2+-Binding Four-Helix Bundle Protein in the Biophysical Chemistry Laboratory." Journal of Chemical Education 91, no. 3 (2014): 451–54. http://dx.doi.org/10.1021/ed400368c.

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Williams, Kathryn R., Bhavin Adhyaru, Igor German, and Eric Alvarez. "The Cis-Trans Equilibrium of N-Acetyl-L-Proline. An Experiment for the Biophysical Chemistry Laboratory." Journal of Chemical Education 79, no. 3 (2002): 372. http://dx.doi.org/10.1021/ed079p372.

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Shafirovich, Vladimir, Carolyn Singh, and Nicholas E. Geacintov. "Photoinduced Oxidative DNA Damage Revealed by an Agarose Gel Nicking Assay: A Biophysical Chemistry Laboratory Experiment." Journal of Chemical Education 80, no. 11 (2003): 1297. http://dx.doi.org/10.1021/ed080p1297.

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Jelének, Jan, Lucie Kupková, Bogdan Zagajewski, Stanislav Březina, Adrian Ochytra, and Adriana Marcinkowska. "Laboratory and image spectroscopy for evaluating the biophysical state of meadow vegetation in the Krkonoše National Park." Miscellanea Geographica 18, no. 2 (2014): 15–22. http://dx.doi.org/10.2478/mgrsd-2014-0014.

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Abstract The paper deals with the evaluation of mountain meadow vegetation condition using in-situ measurements of the fraction of Accumulated Photosynthetically Active Radiation (fAPAR) and Leaf Area Index (LAI). The study analyses the relationship between these parameters and spectral properties of meadow vegetation and selected invasive species with the goal of finding out vegetation indices for the detection of fAPAR and LAI. The developed vegetation indices were applied on hyperspectral data from an APEX (Airborne Prism Experiment) sensor in the area of interest in the Krkonoše National P

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HOSEINI, Marziyeh, Bahram MIRSHEKARI, and Hajiyeh BABAZADEH-IGDIR. "Influence of Biophysical Priming on Seed Germination and Yield on Two Landraces of Lemon-Balm (Melissa officinalis L.)." Notulae Scientia Biologicae 5, no. 2 (2013): 238–43. http://dx.doi.org/10.15835/nsb528896.

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The aim is to study the effects of physical seed priming on germination and yield of lemon balm. Laboratory and pots experiments were conducted as factorial based on completely randomized design. The treatments are magnetic field with 75 mT for 10 and 15 min durations; laser light with 2 mw.cm-2 for 20 min; ultrasonic wave with physiotrapy device for 20 min; cs-gamma ray for one hour in lead cell, and control that were applied on two landraces of lemon balm (‘Karaj’, ‘Esfahan’). Then in laboratory with use of special paper and pure water the seeds were cultured in petri-dishes and were putt in

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JANSSEN, MARCO A., and JOHN M. ANDERIES. "A multi-method approach to study robustness of social–ecological systems: the case of small-scale irrigation systems." Journal of Institutional Economics 9, no. 4 (2013): 427–47. http://dx.doi.org/10.1017/s1744137413000180.

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Abstract:Elinor Ostrom was a leader in using multiple methods to perform institutional analysis. In this paper, we discuss how a multi-method approach she pioneered may be used to study the robustness of social–ecological systems. We synthesize lessons learned from a series of studies on small-scale irrigation systems in which we use case-study analysis, experimental methods in laboratory and field settings, and mathematical models. The accumulated insights show the importance of creating institutional arrangements that fit the human ecology within the biophysical constraints of the system. Th

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Caiazzo, Teresa M., Christopher M. Shea, and Alison P. Joyce. "Critical reagent characterization and re-evaluation to ensure long-term stability: two case studies." Bioanalysis 13, no. 10 (2021): 807–15. http://dx.doi.org/10.4155/bio-2020-0222.

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Characterization of critical reagents can mitigate adverse impact to ligand-binding assay performance. We investigated the conjugation conditions of a bispecific protein to SULFO-TAG NHS-Ester™ ruthenium to resolve a steady increase in ligand-binding assay background signal. Functional and biophysical attributes in stability samples revealed low pH (4.0) conjugation and formulation buffers were key to decrease aggregate formation. We also identified pH-specific (3.0) purification conditions to reduce aggregate levels from 37% to <5% of a mouse IgG3 reagent antibody. These case studies suppo

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Zimmerman, Matthew, David Cooper, Marcin Cymborowski, et al. "Transforming biomedical and structural data into information and knowledge." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C492. http://dx.doi.org/10.1107/s2053273314095072.

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The LabDB laboratory information management system (LIMS) tracks, organizes and analyzes data from chemical and solution management, protein production, crystallization, diffraction, structure solution, and in vitro biochemical and biophysical experiments. The system is comprised of multiple modules specialized for different tasks, such as the Xtaldb system for crystallization or the hkldb module of the HKL-3000 suite for diffraction data collection and structure solution. The biochemical/biophysical experiments tracked by LabDB include spectrophotometric binding and kinetics, thermal shift bi

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40

Miller, Christopher. "David Christopher Gadsby. 26 March 1947—9 March 2019." Biographical Memoirs of Fellows of the Royal Society 68 (March 13, 2020): 175–93. http://dx.doi.org/10.1098/rsbm.2019.0048.

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Over nearly five decades, David Christopher Gadsby pioneered biophysical research that advanced our mechanistic understanding of ion-transporting proteins in biological membranes. His passion for hands-on do-it-yourself electrophysiology, his depth of analytical rigor, and his idiosyncratic scientific aesthetic expanded the edge of discovery in two areas: the electrical character of the Na + pump, and the molecular workings of ‘cystic fibrosis transmembrane regulator’ (CFTR), the chloride ion channel whose mutations cause cystic fibrosis. His approach was flavoured by an appreciation for commo

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Williams, Kathryn R., Bhavin Adhyaru, Russell E. Pierce, and Stephen G. Schulman. "The Binding Constant for Complexation of Bilirubin to Bovine Serum Albumin. An Experiment for the Biophysical Chemistry Laboratory." Journal of Chemical Education 79, no. 1 (2002): 115. http://dx.doi.org/10.1021/ed079p115.

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Bhattacharjee, C., D. Deb, H. S. Das, A. K. Sen, and R. Gupta. "Modelling Laboratory Data of Bidirectional Reflectance of a Regolith Surface Containing Alumina." Publications of the Astronomical Society of Australia 28, no. 3 (2011): 261–65. http://dx.doi.org/10.1071/as10025.

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AbstractBidirectional reflectance of a surface is defined as the ratio of the scattered radiation at the detector to the incident irradiance as a function of geometry. Accurate knowledge of the bidirectional reflection function for layers composed of discrete, randomly positioned scattering particles is essential for many remote sensing, engineering, and biophysical applications, as well as for different areas of astrophysics. Computations of bidirectional reflection functions for plane parallel particulate layers are usually reduced to solving the radiative transfer equation by the existing t

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Rudenko, M. Yu, V. B. Alekseev, and S. A. Matsyuk. "Biophysical phenomena in the circulatory system during indirect blood pressure measurement and analysis of measuring instruments." Biomedical Engineering 20, no. 5 (1986): 164–71. http://dx.doi.org/10.1007/bf00563384.

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Comizzoli, Pierre, and David E. Wildt. "Mammalian fertility preservation through cryobiology: value of classical comparative studies and the need for new preservation options." Reproduction, Fertility and Development 26, no. 1 (2014): 91. http://dx.doi.org/10.1071/rd13259.

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Human-related fertility preservation strategies have enormous potential for helping sustain and protect other species, especially to assist managing or ‘rescuing’ the genomes of genetically valuable individuals, including endangered species. However, wider-scale applications are limited by significant physiological variations among species, as well as a lack of fundamental knowledge of basic reproductive traits and cryosensitivity. Systematic and comparative cryopreservation studies (e.g. on membrane biophysical properties and resilience to freezing temperatures) are required to successfully r

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Rocha, Márcio S., and Oscar N. Mesquita. "New tools to study biophysical properties of single molecules and single cells." Anais da Academia Brasileira de Ciências 79, no. 1 (2007): 17–28. http://dx.doi.org/10.1590/s0001-37652007000100003.

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We present a review on two new tools to study biophysical properties of single molecules and single cells. A laser incident through a high numerical aperture microscope objective can trap small dielectric particles near the focus. This arrangement is named optical tweezers. This technique has the advantage to permit manipulation of a single individual object. We use optical tweezers to measure the entropic elasticity of a single DNA molecule and its interaction with the drug Psoralen. Optical tweezers are also used to hold a kidney cell MDCK away from the substrate to allow precise volume meas

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Cohen, Jonathan H., Kim S. Last, Jack Waldie, and David W. Pond. "Loss of buoyancy control in the copepod Calanus finmarchicus." Journal of Plankton Research 41, no. 5 (2019): 787–90. http://dx.doi.org/10.1093/plankt/fbz036.

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Abstract A mechanism is demonstrated that could explain large-scale aggregations of lipid-rich copepods in the surface waters of marine environments. Laboratory experiments establish that changes in salinity and temperature induce lipid-mediated buoyancy instability that entrains copepods in surface waters. Reduced hydrostatic pressure associated with forced ascent of copepods at fjordic sills, shelf breaks and seamounts would also reduce the density of the lipid reserves, forcing copepods and particularly those in diapause to the surface. We propose that salinity, temperature and hydrodynamic

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Lee, Vee-Meng, Newman G. Burdett, T. Adrian Carpenter, Nicholas J. Herrod, Michael F. James, and Laurance D. Hall. "Magnetic Resonance Imaging of the Common Marmoset Head." Alternatives to Laboratory Animals 26, no. 3 (1998): 343–56. http://dx.doi.org/10.1177/026119299802600309.

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This study evaluated the changes in the intrinsic magnetic resonance (MR) relaxation parameter values (T1; T2, proton density, magnetisation transfer and apparent diffusion coefficient) of the marmoset head, imaged before and after death. Knowing the absolute values of the MR parameters makes it possible to choose an imaging protocol for optimal structural differentiation. The changes between the ante-mortem and post-mortem MR parameters provide an insight into the changing biophysical microenvironment of the post-mortem brain, and allow some of the changes that occur in pathological condition

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Hutchinson, Kelly M., Stacey Lowery Bretz, Howard D. Mettee, and Jeffrey A. Smiley. "A guided inquiry experiment for the measurement of activation energies in the biophysical chemistry laboratory: Decarboxylation of pyrrole-2-carboxylate." Biochemistry and Molecular Biology Education 33, no. 2 (2006): 123–27. http://dx.doi.org/10.1002/bmb.2005.494033022425.

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Salti, Giovanni, and Salvatore Piero Fundarò. "Evaluation of the Rheologic and Physicochemical Properties of a Novel Hyaluronic Acid Filler Range with eXcellent Three-Dimensional Reticulation (XTR™) Technology." Polymers 12, no. 8 (2020): 1644. http://dx.doi.org/10.3390/polym12081644.

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Soft-tissue fillers made of hyaluronic acid and combined with lidocaine have recently become a popular tool in aesthetic medicine. Several manufacturers have developed their own proprietary formulae with varying manufacturing tools, concentrations, crosslinked three-dimensional network structures, pore size distributions of the fibrous networks, as well as cohesivity levels and rheological properties, lending fillers and filler ranges their unique properties and degradability profiles. One such range of hyaluronic acid fillers manufactured using the novel eXcellent three-dimensional reticulati

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Drüke, Markus, Werner von Bloh, Stefan Petri, et al. "CM2Mc-LPJmL v1.0: biophysical coupling of a process-based dynamic vegetation model with managed land to a general circulation model." Geoscientific Model Development 14, no. 6 (2021): 4117–41. http://dx.doi.org/10.5194/gmd-14-4117-2021.

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Abstract. The terrestrial biosphere is exposed to land-use and climate change, which not only affects vegetation dynamics but also changes land–atmosphere feedbacks. Specifically, changes in land cover affect biophysical feedbacks of water and energy, thereby contributing to climate change. In this study, we couple the well-established and comprehensively validated dynamic global vegetation model LPJmL5 (Lund–Potsdam–Jena managed Land) to the coupled climate model CM2Mc, the latter of which is based on the atmosphere model AM2 and the ocean model MOM5 (Modular Ocean Model 5), and name it CM2Mc

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