Abstract:
:This contribution covers recent original research papers in the biophotonics field. The content is organized into main techniques such as multiphoton microscopy, Raman spectroscopy, infrared spectroscopy, optical coherence tomography and photoacoustic tomography, and their applications in the context of fluid, cell, tissue and skin diagnostics. Special attention is paid to vascular and blood flow diagnostics, photothermal and photodynamic therapy, tissue therapy, cell characterization, and biosensors for biomarker detection.
journal_name
J Biophotonicsjournal_title
Journal of biophotonicsauthors
Krafft Cdoi
10.1002/jbio.201600290subject
Has Abstractpub_date
2016-12-01 00:00:00pages
1362-1375issue
11-12eissn
1864-063Xissn
1864-0648journal_volume
9pub_type
杂志文章,评审abstract::In photoacoustic tomography (PAT), a tunable laser typically illuminates the tissue at multiple wavelengths, and the received photoacoustic waves are used to form functional images of relative total haemoglobin (rHbT) and blood oxygenation saturation (%sO2 ). Due to measurement errors, the estimation of these paramete...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.202000368
更新日期:2020-12-30 00:00:00
abstract::Retinoblastoma (RB) is a rare form of cancer of the retina most prevalent in young children. We successfully show that laser-induced cell disruption, mediated by gold plasmonic nanoparticle (NP), is a potential and efficient therapy to kill the cancerous cells. The proof of concept is demonstrated in vitro on cultured...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201900193
更新日期:2019-11-01 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
pub_type: 杂志文章
doi:10.1002/jbio.200910047
更新日期:2009-12-01 00:00:00
abstract::Photodynamic therapy (PDT) uses photosensitizers and visible light in combination with molecular oxygen to produce reactive oxygen species (ROS) that kill malignant cells by apoptosis and/or necrosis, shut down the tumor microvasculature and stimulate the host immune system. The excited singlet state of oxygen (1 O2 )...
journal_title:Journal of biophotonics
pub_type: 杂志文章,评审
doi:10.1002/jbio.201600055
更新日期:2016-12-01 00:00:00
abstract::In biomedical applications, nanoparticles have demonstrated the potential to eradicate abnormal cells in small localized pathological zones associated with cancer or infections. Here, we introduce a method for nanotechnology-based photothermal (PT) killing of whole organisms considered harmful to humans or the environ...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201200199
更新日期:2014-07-01 00:00:00
abstract::Whole slide imaging (WSI) has moved digital pathology closer to diagnostic practice in recent years. Due to the inherent tissue topography variability, accurate autofocusing remains a critical challenge for WSI and automated microscopy systems. The traditional focus map surveying method is limited in its ability to ac...
journal_title:Journal of biophotonics
pub_type: 杂志文章,评审
doi:10.1002/jbio.202000227
更新日期:2020-12-01 00:00:00
abstract::The photodetachment of Br(-), I(-) and OH(-) in aqueous solution is studied by 2- and 3-pulse femtosecond spectroscopy. The UV excitation leads to fast electron separation followed by formation of a donor-electron pairs. An additional repump pulse is used for secondary excitation of the intermediates. The 3-pulse tech...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201000099
更新日期:2011-03-01 00:00:00
abstract::We have investigated the ability of dual-frequency Coherent Antistokes Raman Scattering (D-CARS) micro-spectroscopy, based on femtosecond pulses (100 fs or 5 fs) spectrally focussed by glass dispersion, to distinguish the chemical composition of micron-sized lipid droplets consisting of different triglycerides types (...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201200197
更新日期:2014-01-01 00:00:00
abstract::The purpose of this study was to evaluate thermal and near-infrared (NIR) reflectance imaging methods for the assessment of the activity of root caries lesions. In addition, changes in the lesion structure were monitored with polarization sensitive optical coherence tomography (PS-OCT). Artificial bovine and natural r...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201500333
更新日期:2017-03-01 00:00:00
abstract::Since stimulated emission depletion (STED) nanoscopy was invented in 1994, this technique has been widely used in the fields of biomedicine and materials science. According to the imaging principle of STED technology, increasing the power of the depletion laser within a certain threshold can improve the resolution. Ho...
journal_title:Journal of biophotonics
pub_type: 信件
doi:10.1002/jbio.202000402
更新日期:2020-12-13 00:00:00
abstract::We describe a novel, minimally invasive laser technology for skin rejuvenation by creating isolated microscopic lesions within tissue below the epidermis using laser induced optical breakdown. Using an in-house built prototype device, tightly focused near-infrared laser pulses are used to create optical breakdown in t...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201100083
更新日期:2012-02-01 00:00:00
abstract::Photoacoustic microscopy (PAM) is a noninvasive imaging technique and is excellent to study structural and functional changes in the microcirculation. In this work, a lipopolysaccharide (LPS)-induced inflammation model in mice is noninvasively evaluated by PAM. PAM is used to image the microvascular structural changes...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201800251
更新日期:2019-03-01 00:00:00
abstract::The structural organization of cellular membranes has an essential influence on their functionality. The membrane surfaces currently are considered to consist of various distinct patches, which play an important role in many processes, however, not all parameters such as size and distribution are fully determined. In ...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201100131
更新日期:2012-07-01 00:00:00
abstract::The class of PEGylated emulsifiers finds broad application in the pharmaceutical and cosmetic industry. We target on one of the categories of polyethylene glycol (PEG) alkyl ethers with different lipophilic and hydrophilic chain length and aim to examine their effects on the skin comprehensively. In this study, we emp...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.202000286
更新日期:2020-12-01 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
pub_type: 杂志文章
doi:10.1002/jbio.201800292
更新日期:2019-06-01 00:00:00
abstract::Human immunodeficiency virus (HIV-1) infection remains a major health problem despite the use of highly active antiretroviral therapy (HAART), which has greatly reduced mortality rates. Due to the unavailability of an effective vaccine and treatment that would completely eradicate the virus in infected individuals, th...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201600217
更新日期:2017-10-01 00:00:00
abstract::Skin fibrosis is a chronic debilitating feature of several skin diseases that lead to characteristic increases in dermal fibroblast proliferation and collagen deposition through upregulation in components of the transforming growth factor beta (TGF-B)/SMAD pathway. In contrast to ultraviolet phototherapy, high-fluence...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201800207
更新日期:2019-05-01 00:00:00
abstract::Achieving a maximal safe extent of resection during brain tumor surgery is the goal for improved patient prognosis. Fluorescence-guided neurosurgery using 5-aminolevulinic acid (5-ALA) induced protoporphyrin IX has thereby become a valuable tool enabling a high frequency of complete resections and a prolonged progress...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201800378
更新日期:2019-06-01 00:00:00
abstract::Limb perfusion monitoring is critical for diabetes mellitus (DM) patients as they are vulnerable to vascular complications due to prolonged hyperglycemia. However, current clinical approaches are ineffective in vascular imaging and in assessing vascular function in lower limbs. In this work, a concave ultrasound trans...
journal_title:Journal of biophotonics
pub_type: 信件
doi:10.1002/jbio.202000011
更新日期:2020-08-01 00:00:00
abstract::Skin fibrosis, often referred to as skin scarring, is a significant international health problem with limited treatment options. The hallmarks of skin fibrosis are increased fibroblast proliferation, collagen production, and migration speed. Recently published clinical observations indicate that visible red light may ...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201600059
更新日期:2016-12-01 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
pub_type: 杂志文章,评审
doi:10.1002/jbio.200910072
更新日期:2009-11-01 00:00:00
abstract::Ionizing radiation (IR) induces DNA damage and low-level laser therapy (LLLT) has been investigated to prevent or repair detrimental outcomes resulting from IR exposure. Few in vitro studies, however, explore the biological mechanisms underlying those LLLT benefits. Thus, in this work, fibroblasts and tumor cells are ...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201600107
更新日期:2016-12-01 00:00:00
abstract::Atherosclerosis is a process of thickening and stiffening of the arterial walls through the accumulation of lipids and fibrotic material, as a consequence of aging and unhealthy life style. However, not all arterial plaques lead to complications, which can lead to life-threatening events such as stroke and myocardial ...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201800013
更新日期:2018-12-01 00:00:00
abstract::The capabilities of cross-polarization optical coherence tomography (CP OCT) for early bladder-cancer detection are assessed in statistical study and compared with the traditional OCT. Unlike the traditional OCT that demonstrates images only in copolarization, CP OCT acquires images in cross-polarization and copolariz...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201000088
更新日期:2011-08-01 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
pub_type: 杂志文章
doi:10.1002/jbio.201300012
更新日期:2013-10-01 00:00:00
abstract::A wide variety of subcutaneous soft-tissue masses may be seen in clinical practice. Clinical examination based on palpation alone is often insufficient to identify the nature and exact origin of the mass, in which case imaging is necessary. We used handheld multispectral optoacoustic imaging technology (MSOT) in a pro...
journal_title:Journal of biophotonics
pub_type: 信件
doi:10.1002/jbio.201600274
更新日期:2017-08-01 00:00:00
abstract::Several studies have demonstrated the potential of cross-polarization optical coherence tomography (CP-OCT) to quantify the severity of early caries lesions (tooth decay) on tooth surfaces. The purpose of this study is to show that 2D images of the lesion depth and the integrated reflectivity can be used to accurately...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201300137
更新日期:2015-01-01 00:00:00
abstract::As the field of tissue engineering evolves, there will be an increasingly important need to visualize and track the complex dynamic changes that occur within three-dimensional constructs. Optical coherence tomography (OCT), as an emerging imaging technology applied to biological materials, offers a number of significa...
journal_title:Journal of biophotonics
pub_type: 杂志文章,评审
doi:10.1002/jbio.200910048
更新日期:2009-11-01 00:00:00
abstract::To this day, any photosensitizers for the photodynamic treatment of pulmonary illnesses have been administered intravenously. There is, however, an intrinsic difficulty in reaching the target cells or bacteria in the respiratory system. Nebulization could overcome distribution problems and alleviate side effects by de...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201800189
更新日期:2019-04-01 00:00:00
abstract::Near-infrared light allows measuring tissue oxygenation. These measurements relay on oxygenation-dependent absorption spectral changes. However, the tissue scattering, which is also spectral dependent, introduces an intrinsic error. Most methods focus on the volume reflectance from a semi-infinite sample. We have prop...
journal_title:Journal of biophotonics
pub_type: 杂志文章
doi:10.1002/jbio.201700208
更新日期:2018-04-01 00:00:00