Stain-free interferometric phase microscopy correlation with DNA fragmentation stain in human spermatozoa.

abstract：:The research work presented in this paper focuses on qualitative tissue differentiation by monitoring the intensity ratios of atomic emissions using 'Laser Induced Breakdown Spectroscopy' (LIBS) on the plasma plume created during laser tissue ablation. The background of this study is to establish a real time feedback ...

journal_title：Journal of biophotonics

authors： Kanawade R,Mahari F,Klämpfl F,Rohde M,Knipfer C,Tangermann-Gerk K,Adler W,Schmidt M,Stelzle F

更新日期：2015-01-01 00:00:00

abstract：:DsRed is representative of the tetrameric reef coral fluorescent proteins that constitute particularly interesting coupled multichromophoric systems. Either a green emitting or a red emitting chromophore can form within each of the monomers of the protein tetramer. Within the tetramers the chromophores are thought to ...

journal_title：Journal of biophotonics

authors： Blum C,Meixner AJ,Subramaniam V

更新日期：2011-01-01 00:00:00

abstract：:Basidiomycetes, that is, mushroom-type fungi, are known to produce pigments in response to environmental impacts. As antioxidants with a high level of unsaturation, these compounds can neutralize highly oxidative species. In the event of close contact with other microbes, the enzymatically controlled pigment productio...

journal_title：Journal of biophotonics

authors： Tauber JP,Matthäus C,Lenz C,Hoffmeister D,Popp J

更新日期：2018-06-01 00:00:00

abstract：:The advent of moderate dilatations in ascending aortas is often accompanied by structural modifications of the main components of the aortic tissue, elastin and collagen. In this study, we have undertaken an approach based on FTIR microscopy coupled to a curve-fitting procedure to analyze secondary structure modificat...

journal_title：Journal of biophotonics

authors： Bonnier F,Rubin S,Debelle L,Ventéo L,Pluot M,Baehrel B,Manfait M,Sockalingum GD

更新日期：2008-08-01 00:00:00

abstract：:Therapeutically exploiting vascular and metabolic endpoints becomes critical to translational cancer studies because altered vascularity and deregulated metabolism are two important cancer hallmarks. The metabolic and vascular phenotypes of three sibling breast tumor lines with different metastatic potential are inves...

journal_title：Journal of biophotonics

authors： Zhu C,Li M,Vincent T,Martin HL,Crouch BT,Martinez AF,Madonna MC,Palmer GM,Dewhirst MW,Ramanujam N

更新日期：2019-04-01 00:00:00

abstract：:A new optical scattering contrast-agent based on polymer-nanoparticle encapsulated silver nanoplates (PESNs) is presented. Silver nanoplates were chosen due to the flexibility of tuning their plasmon frequencies. The polymer coating preserves their physical and optical properties and confers other advantages such as c...

journal_title：Journal of biophotonics

authors： Ray A,Kopelman R,Chon B,Briggman K,Hwang J

更新日期：2016-07-01 00:00:00

abstract：:Osteocytes are the most abundant cells in bone and always the focus of bone research. They are embedded in the highly scattering mineralized bone matrix. Consequently, visualizing osteocytes deep in bone with subcellular resolution poses a major challenge for in vivo bone research. Here we overcome this challenge by d...

journal_title：Journal of biophotonics

authors： Wang K,Du Y,Liu H,Gan M,Tong S,Wen W,Zhuang Z,Qiu P

更新日期：2019-04-01 00:00:00

abstract：:We present a novel silicon photonic biosensor using phase-shifted Bragg gratings in a slot waveguide. The optical field is concentrated inside the slot region, leading to efficient light-matter interaction. The Bragg gratings are formed with sidewall corrugations on the outside of the waveguide, and a phase shift is i...

journal_title：Journal of biophotonics

authors： Wang X,Flueckiger J,Schmidt S,Grist S,Fard ST,Kirk J,Doerfler M,Cheung KC,Ratner DM,Chrostowski L

更新日期：2013-10-01 00:00:00

abstract：:Highly emissive europium complexes with specific endoplasmic reticulum localization potential includes several advantages such as fast uptake, long resident lifetime, low dosage requirement, low cytotoxicity and highly emissive two-photon induced f-f emission imaging. ...

journal_title：Journal of biophotonics

authors： Law GL,Wong KL,Man CW,Tsao SW,Wong WT

更新日期：2009-12-01 00:00:00

abstract：:Laser therapy, also known as Photobiomodulation (PBM) is indicated to reduce pain associated with different pathologies and applied using protocols that vary in wavelength, irradiance and fluence. Its mechanisms of action are still unclear and possibly able to directly impact on pain transmission, reducing nociceptor ...

journal_title：Journal of biophotonics

authors： Zupin L,Ottaviani G,Rupel K,Biasotto M,Zacchigna S,Crovella S,Celsi F

更新日期：2019-10-01 00:00:00

abstract：:One of the challenges in transcranial low-level laser therapy (LLLT) is to optimally choose illumination parameters, such as wavelength. However, there is sparse study on the wavelengths comparison especially on human transcranial LLLT. Here, we employed Monte Carlo modeling and visible human phantom to compute the pe...

journal_title：Journal of biophotonics

authors： Wang P,Li T

更新日期：2019-02-01 00:00:00

abstract：:One pertinent complication in bacterial infection is the growth of biofilms, that is, communities of surface-adhered bacteria resilient to antibiotics. Photodynamic inactivation (PDI) has been proposed as an alternative to antibiotic treatment; however, novel techniques complementing standard efficacy measures are req...

journal_title：Journal of biophotonics

authors： Thomsen H,Graf FE,Farewell A,Ericson MB

更新日期：2018-10-01 00:00:00

abstract：:Delay-and-sum (DAS) is one of the most common algorithms used to construct the photoacoustic images due to its low complexity. However, it results in images with high sidelobes and low resolution. Delay-and-standard-deviation (DASD) weighting factor can improve the contrast of the images compared to DAS. However, it s...

journal_title：Journal of biophotonics

authors： Paridar R,Mozaffarzadeh M,Periyasamy V,Basij M,Mehrmohammadi M,Pramanik M,Orooji M

更新日期：2019-06-01 00:00:00

abstract：:Initially, it has been shown that the phase thickness and refractivity (the latter interpreted as the difference of the refractivity indices of an object and surrounding medium) depend on the functional state of mitochondria. The refractivity of various objects decreased in response to energy depletion. This dependenc...

journal_title：Journal of biophotonics

authors： Tychinsky V

更新日期：2009-09-01 00:00:00

abstract：:The aim of this study was to evaluate whether OCT topography of the Bowman's layer and artificial intelligence (AI) can result in better diagnosis of forme fruste (FFKC) and clinical keratoconus (KC). Normal (n = 221), FFKC (n = 72) and KC (n = 116) corneas were included. Some of the FFKC and KC patients had the fello...

journal_title：Journal of biophotonics

authors： Chandapura R,Salomão MQ,Ambrósio R Jr,Swarup R,Shetty R,Sinha Roy A

更新日期：2019-10-01 00:00:00

abstract：:The ability to provide quantitative, objective and automated pathological analysis would provide enormous benefits for national cancer screening programmes, in terms of both resource reduction and improved patient wellbeing. The move towards molecular pathology through spectroscopic methods shows great promise, but ha...

journal_title：Journal of biophotonics

authors： Woolford L,Chen M,Dholakia K,Herrington CS

更新日期：2018-04-01 00:00:00

abstract：:Ectasia after refractive surgery represents a major concern among refractive surgeons. Corneal abnormalities and preexisting corneal ectasia are the most important risk factors. Corneal topography and central corneal thickness are the factors traditionally screening for in refractive surgery candidates. Study of the a...

journal_title：Journal of biophotonics

authors： Luz A,Lopes B,Salomão M,Ambrósio R

更新日期：2016-05-01 00:00:00

abstract：:Mucosal lesions of the upper aerodigestive tract usually concern the squamous epithelium of the surface. Many precancerous alterations now designated as potentially malignant are caused by DNA damage resulting from long term exposure to tobacco and alcohol consumption. The distinction from conditions with a similar ph...

journal_title：Journal of biophotonics

authors： Dreyer T,Kreisel M

更新日期：2012-04-01 00:00:00

abstract：:The broad range of applications of spatially-offset Raman spectroscopy (SORS) were found to involve samples having only marginal differences in Raman cross-sections between the surface and subsurface targets. We report the results of a feasibility study to evaluate the potential of the approach to identify the presenc...

journal_title：Journal of biophotonics

authors： Khan KM,Dutta SB,Krishna H,Majumder SK

更新日期：2016-09-01 00:00:00

abstract：:We present a noninvasive and noncontacting biosensor using Wavelength Modulated Differential Photothermal Radiometry (WM-DPTR) to monitor blood glucose concentration (BGC) through interstitial fluid (ISF) probing in human middle fingers. WM-DPTR works in the interference-free mid-infrared range with differential wavel...

journal_title：Journal of biophotonics

authors： Guo X,Zhang D,Shojaei-Asanjan K,Sivagurunathan K,Melnikov A,Song P,Mandelis A

更新日期：2019-07-01 00:00:00

abstract：:Semiconductor nanoparticles (NPs) became important and wide-used tool for cell imaging because of their unique remarkable properties. Nevertheless, all previous investigations in this area were done on proliferating cells. For the first time, this work demonstrates strong influence of cell active proliferation/contact...

journal_title：Journal of biophotonics

authors： Serdiuk T,Lysenko V,Mognetti B,Skryshevsky V,Géloën A

更新日期：2013-03-01 00:00:00

abstract：:Pancreatic islet isolation from donor pancreases is an essential step for the transplantation of insulin-secreting β-cells as a therapy to treat type 1 diabetes mellitus. This process however damages islet basement membranes, which can lead to islet dysfunction or death. Posttransplantation, islets are further stresse...

journal_title：Journal of biophotonics

authors： Zbinden A,Carvajal Berrio DA,Urbanczyk M,Layland SL,Bosch M,Fliri S,Lu CE,Jeyagaran A,Loskill P,Duffy GP,Schenke-Layland K

更新日期：2020-12-01 00:00:00

abstract：:Microfluidics and photonics come together to form a field commonly referred to as 'optofluidics'. Flow cytometry provides the field with a technology base from which both microfluidic and photonic components be developed and integrated into a useful device. This article reviews some of the more recent developments to ...

journal_title：Journal of biophotonics

authors： Godin J,Chen CH,Cho SH,Qiao W,Tsai F,Lo YH

更新日期：2008-10-01 00:00:00

abstract：:This paper comments on the article "Retinal pulse wave velocity measurement using spectral-domain optical coherence tomography" by Qian Li et al. The authors propose a method to determine the pulse wave velocity in retinal arteries and veins. This method should enable a noninvasive determination of biomechanical prope...

journal_title：Journal of biophotonics

authors： Spahr H,Hillmann D,Pfäffle C,Hüttmann G

更新日期：2018-02-01 00:00:00

abstract：:Microcalcifications are an early mammographic sign of breast cancer and a target for stereotactic breast needle biopsy. Here, we develop and compare different approaches for developing Raman classification algorithms to diagnose invasive and in situ breast cancer, fibrocystic change and fibroadenoma that can be associ...

journal_title：Journal of biophotonics

authors： Dingari NC,Barman I,Saha A,McGee S,Galindo LH,Liu W,Plecha D,Klein N,Dasari RR,Fitzmaurice M

更新日期：2013-04-01 00:00:00

abstract：:In this review we provide a description of the basic concepts and paradigms currently constituting the foundations of adult stem cell biology, and discuss the role that live imaging techniques have in the development of the field. We focus on live imaging of hematopoietic stem cells (HSCs) as the basic biology and cli...

journal_title：Journal of biophotonics

authors： Lo Celso C,Wu JW,Lin CP

更新日期：2009-11-01 00:00:00

abstract：:In this work we aim to show how it is possible to exploit the second harmonic generation (SHG) signal for producing multimodal microscopic images of biological tissues. SHG microscopy constitutes an important tool for high-resolution, high-contrast, three-dimensional studies of live cell and tissue architectures. The ...

journal_title：Journal of biophotonics

authors： Bianchini P,Diaspro A

更新日期：2008-12-01 00:00:00

abstract：:High-resolution deformation measurements in a functionally graded hard tissue such as human dentin are essential to understand the unbound water-loss mediated changes and their role in its mechanical integrity. Yet a whole-field, 3-dimensional (3D) measurement and characterization of fully hydrated dentin in both macr...

journal_title：Journal of biophotonics

authors： Chen Z,Nadeau B,Yu K,Shao X,He X,Goh MC,Kishen A

更新日期：2018-09-01 00:00:00

abstract：:Quantification of the mucosa oxygenation levels during Endoscopic imaging provides useful physiological/diagnostic information. In this work a method for non-contact quantification of the oxygen saturation index during Endoscopic imaging using three discrete spectral-band in the blue, the green, and the red parts of t...

journal_title：Journal of biophotonics

authors： Fawzy Y

更新日期：2009-12-01 00:00:00

abstract：:Surface-enhanced Raman scattering (SERS) is highly sensitive and label-free analytical technique based on Raman spectroscopy aided by field-multiplying plasmonic nanostructures. We report the use of SERS measurements of patient urine in conjunction with biostatistical algorithms to assess the treatment response of pro...

journal_title：Journal of biophotonics

authors： Ma Y,Chi J,Zheng Z,Attygalle A,Kim IY,Du H

更新日期：2021-01-01 00:00:00