Suppression of fluctuations of the intensity of radiation emitted by semiconductor lasers

Andronova, I. A.; Bershtein, I. L.

doi:10.1070/qe1991v021n06abeh003897

Cited by 4 publications

(4 citation statements)

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“…1, lane 5) indicated that the stereochemistry of an isoglutamine residue was also important. These results were in agreement with the speci¢city of GMDP-binding sites detected in permeabilized murine macrophages [3] as well as with structural requirements for biological activity of glucosaminylmuramyl peptides [2], suggesting potential functional implications of binding to p18, p32 and p34.…”

Section: Resultssupporting

confidence: 87%

“…N-Acetylglucosaminyl-L1-4-N-acetylmuramyl-alanyl-D-isoglutamine (GMDP), the prototype of muramyl peptides [1], is a fragment of the bacterial cell wall demonstrating a variety of biological activities. Its adjuvant and anti-tumor e¡ects, the ability to induce non-speci¢c resistance to bacterial and viral infections are well-documented [2]. GMDP activity is mediated by a receptor mechanism.…”

Section: Introductionmentioning

confidence: 99%

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Specific binding of glucosaminylmuramyl peptides to histones

Golovina¹,

Fattakhova²,

Swiderek³

et al. 1999

FEBS Letters

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Intracellular N-acetylglucosaminylmuramyl peptidebinding proteins of murine macrophages and myelomonocytic WEHI-3 cells were characterized. SDS-PAGE and Western blotting revealed proteins with molecular masses of 18, 32 and 34 kDa retaining the ability to specifically bind glucosaminylmuramyl dipeptide. The inhibition analysis demonstrated that only biologically active muramyl peptides but not inactive analogs or fragments of glucosaminylmuramyl dipeptide could inhibit glucosaminylmuramyl dipeptide-binding to these proteins. Purification of these proteins and sequencing of peptides obtained after in-gel trypsin digestion enabled us to identify the above mentioned proteins as histones H1 and H3. These findings suggest that nuclear histones might be target molecules for muramyl peptides.z 1999 Federation of European Biochemical Societies.

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Section: Resultssupporting

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Specific binding of glucosaminylmuramyl peptides to histones

Golovina¹,

Fattakhova²,

Swiderek³

et al. 1999

FEBS Letters

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“…Therefore, in order to overcome this issue and improve the autofocusing accuracy, in general, two methods can be used. One method is to design and manufacture stable laser light sources [35][36][37], and the other is to suppress the effects of laser fluctuations computationally [2,38,39]. The latter is the focus and aim of this study.…”

Section: Introductionmentioning

confidence: 99%

Innovative Image Processing Method to Improve Autofocusing Accuracy

Liu

2022

Sensors

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For automated optical inspection, autofocusing microscopes play an important role in capturing clear images of the measured object. At present, the image processing part of optics-based autofocusing microscopes often has various factors, which makes it impossible to describe the image information of the semicircular (or elliptical) spot with a simple circle-finding method. Accordingly, this study has developed a novel algorithm that can quickly calculate the ideal center of the elliptical spot and effectively compensate the linearity of the focusing characteristic curve. A prototype model was used to characterize and verify the proposed algorithm. The experimental results show that by using the proposed algorithm, the autofocusing accuracy can be effectively improved to less than 1.5 μm.

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“…Glucosaminylmuramyl dipeptide (GMDP) is known as potent immunomodulator which can cause inhibition of growth and necrosis of certain experimental tumours in mice [1]. We have reported earlier that the mechanism of GMDP anti-tumour activity, besides the activation of immune cells, involved induction of expression of tumour-associated antigens (TAAs), ICAM-1 and other antigens on tumour cells, in particular on human melanoma BRO [2^4].…”

Section: Introductionmentioning

confidence: 99%

Endogenous tumour necrosis factor‐alpha sensitise melanoma cells to glucosaminylmuramyl dipeptide

et al. 1998

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Flow cytometry was used to demonstrate that cultured human melanoma BRO cells expressed membranebound tumour necrosis factor-alpha (TNF-K K) and were able to release TNF-K K upon treatment with glucosaminylmuramyl dipeptide (GMDP). The released TNF-K K was shown to prime melanoma cells, previously unable to respond to GMDP by increasing expression of melanoma-associated antigens, making them sensitive to GMDP treatment.z 1998 Federation of European Biochemical Societies.

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Suppression of fluctuations of the intensity of radiation emitted by semiconductor lasers

Cited by 4 publications

References 0 publications

Specific binding of glucosaminylmuramyl peptides to histones

Specific binding of glucosaminylmuramyl peptides to histones

Innovative Image Processing Method to Improve Autofocusing Accuracy

Endogenous tumour necrosis factor‐alpha sensitise melanoma cells to glucosaminylmuramyl dipeptide

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