Muscle force was recorded on a computer at 1000 Hz using Chart 4

Muscle force was recorded on a computer at 1000 Hz using Chart 4 V4.1.2 (AD Instruments, Oxford, UK). Two custom made saline soaked electrodes (9 × 18 cm) were placed just above the patella and over the muscle belly of the knee extensors in the proximal third part of the thigh of the non-dominant leg. The position of the electrodes was marked using permanent pen to ensure accurate placement on subsequent tests. For all electrically evoked test procedures, stimulation was provided through an electrical muscle stimulator (Model DS7A, Digitimer TH-302 in vivo Limited, Welwyn Garden City, UK) and pulses were controlled by a NeuroLog pulse generator (Digitimer Limited, Welwyn

Garden City, UK). Participants conducted three 5 second sub-maximal contractions

(~200 N) each testing session to SHP099 concentration become accustomed to the experimental set up. Isometric Maximal Voluntary Contraction (MVC) Participants produced a 3 to 5 second maximal voluntary contraction (MVC) with strong verbal encouragement. When the effort was not considered maximal the procedure was repeated after 2 minutes rest. Approximately 90% of MVC’s were PD0325901 maximal effort on the first attempt. The maximal force was taken as the absolute highest value during the contraction. Interpolated Doublet (% Voluntary Activation) During Isometric Contraction A doublet pulse (two maximal single twitches separated by 10 ms) was applied to the knee extensors during the plateau phase of the MVC contraction, and immediately after the MVC when participants returned to rest (potentiated doublet). Percent voluntary activation (%VA) was calculated (Equation 1). The following parameters were calculated for the potentiated doublet: (a) peak force (N), the maximal force value of the doublet; (b) contraction time (s), the time between the first derivation from baseline and peak force; (c) average rate of force development (N·s-1), peak force/contraction time; (d) half relaxation time (s), the time taken to fall from peak

force to half of the value during the relaxation phase; (e) maximal rate of force development (N·s-1), the highest value of the first derivative of the force signal; and (f) maximal rate of force decrease (N·s-1), the lowest value Phosphatidylinositol diacylglycerol-lyase of the first derivative of the force signal. (1) Isometric 20 Hz and 50 Hz stimulation 20 Hz and 50 Hz stimulations (0.5 s duration), with 30 second rest between stimulations, were applied to the knee extensors using the sub-maximal twitch current (group mean ± SD; 420 ± 77 mA). A sub-maximal current gives a reliable estimate of contractile properties and is more tolerable for participants. A ratio of the forces at 20 Hz and 50 Hz was calculated, a reduction in the ratio indicates the presence of low frequency fatigue.

LSplex #

LSplex would amplify selectively the underrepresented bacterial DNA. The large set of primer pairs is potentially able to amplify as many gene segments as probes are Quisinostat mw immobilized on the prototype microarray but in practice, it is supposed to only amplify the gene-segments specific to the pathogens present in the analyte.

In parallel, real-time PCR-based assays for identification of pathogens were proposed since the sensitivity is adequate for direct detection and quantification [10–12, 40–43]. However, the information level obtained by this approach is incomparably lower than the one provided by medium or high density microarray analyses. Real-time PCR has a reduced potential for multiplexing because the current availability of only four to five channels for the simultaneous non-overlapping detection of different fluorophores [21]. For this reason, real-time PCR is in general confined to a mere species identification based on single sequence polymorphism [10, 43] or to confirm the presence of a suspected pathogen by using a reduced number of specific primer pairs [44, 45] eventually completed by the detection of a few genes related to antibiotic resistance [46, 45]. In contrast, microarrays offer the possibility to profile pathogens by providing information at the strain level [36],

by detecting virulence factors and genes determining the antibiotic resistance [16]. The LSplex amplification protocol is a promising co-adjuvant for pathogen KU55933 supplier profiling by microarray analysis since it increases sensitivity and the specificity

of detection. It also presents the flexibility of using hundreds of primer pairs, whose sequences Ribose-5-phosphate isomerase are exchangeable in function of the pathogens targeted in the microarray. The single-step LSplex protocol, allowing labelling during amplification, could represent one piece of the methodological mosaic in a future time-saving bacteriological diagnostic approach. Acknowledgements We are grateful to Georg Plum and Paul Higgins for helpful comments on the manuscript. This work was supported by the DFG, the DFG Gottfried-Wilhelm-Leibniz-Program, the GEW Stiftung, Cologne, Germany and Köln Fortune. Electronic supplementary material Additional file 1: Microarray probes and primer sequences. The table contains the description of microarray probes and primer sequences used in the study. (PDF 73 KB) Additional file 2: Prototype DNA microarray for detection of common pathogens. The figure represents the analysis of microarray hybridizations with decreasing amounts of bacterial DNA. (PDF 602 KB) References 1. Cho JC, Tiedje JM: Quantitative detection of microbial genes by using DNA microarrays. Appl Environ Microbiol 2002, 68:1425–1430.CrossRefPubMed 2. Cleven BE, Palka-Santini M, Gielen J, Meembor S, Krönke M, Krut O: Identification and characterization of bacterial pathogens causing bloodstream infections by DNA microarray. J Clin Microbiol 2006, 44:2389–2397.CrossRefPubMed 3.

Cancer Res 1991, 51:4570–4574 23 Ming YL, Song G, Chen LH, Zhen

Cancer Res 1991, 51:4570–4574. 23. Ming YL, Song G, Chen LH, Zheng ZZ, Chen ZY, Ouyang GL, Tong QX: Anti-proliferation and apoptosis induced by a novel intestinal metabolite of ginseng saponin in human hepatocellular carcinoma cells. Cell Biol Int 2007, 31:1265–1273.CrossRef 24. Ormerod MG, Orr RM, Peacock JH: The role of apoptosis in cell

Nutlin-3a nmr killing by cisplatin: a flow cytometric study. Br J Cancer 1994, 69:93–100.CrossRef 25. Valant J, Drobne D, Sepcic K, Jemec A, Kogej K, Kostanjsek R: Hazardous potential of manufactured nanoparticles identified by in vivo assay. J Hazard Mater 2009, 171:160–165.CrossRef 26. AshaRani PV: Low Kah Mun G, Hande MP, Valiyaveettil S: Cytotoxicity and genotoxicity of silver nanoparticles in human cells. ACS Nano 2009, 3:279–290.CrossRef Selleckchem LY2835219 27. Huang B, Zhang J, Hou J, Chen C: Free radical scavenging efficiency of nano-Se in vitro. Free Radic

Biol Med 2003, 35:805–813.CrossRef Competing interests The authors declare that they have no competing interests. Authors’ contributions RFG came up with the idea, contributed to the design of the experiment, and agreed with the paper’s publication. TSK and YJS conducted most of experiments that the manuscript mentioned and drafted the manuscript. XQC analyzed the data and drew the pictures. HJ and JZ revised the manuscript critically and made a few changes. All authors read and approved the final manuscript.”
“Background Since voltage-driven biomolecule translocation through nanopores was first reported by Kasianowicz et al. in 1996 [1], nanopores in solid films have become an effective tool for bio-analysis [2–4]. Nowadays, more and more theoretical and experimental studies aiming to design nanopore-based sensing device have been carried out, and most of them are at the forefront of life sciences, chemistry, material sciences, and biophysics. For example, nanopore plays an important role in low-cost and rapid DNA sequencing, which is expected to have major impact on bio-analysis and to give fundamental understanding of nanoscale interactions down to single-molecule level. science The mechanism of nanopore-based biomolecule sensing

or DNA sequencing can be simply depicted as follows: analyte in electrolyte solution is driven through a nanopore by applied electric field, yielding a characteristic change in background ionic current due to its translocation. According to the existed work, analyte with its BMN 673 ic50 dimensions comparable to the size of nanopore is quite advantageous to obtain signals with better quality. The concentration information of analyte can be obtained by comparing the frequencies of translocation events, while the structural information of analyte can be acquired by analyzing the magnitude, duration, and shape of the current blockages. In addition, pore geometry, pore size, flow direction, and other factors also have influences on the detected current signals.

Socio-ecological researches, especially related to investigating

Socio-ecological researches, especially related to investigating human attitudes, have been at a disadvantage because of its often subjective nature but tools such as Q AZD8931 methodology provide a unique opportunity that allows for quantifying human subjectivity. Therefore, use of such methodologies should not be dictated by a discipline and instead, should be determined by the research question to be addressed. However, it is important to remember that while Q methodology is Nutlin-3a cost very useful to explore and classify the attitudes based on their similarities and differences, but its findings

cannot be extrapolated to the whole population. Three primary attitudes emerged, two of which were loaded almost completely by landowners and this reflects the diversity in attitudes on the subject even within the same stakeholder group. Therefore, it would be shortsighted to assume that all landowners have the same attitude toward biodiversity conservation on private land. Even though both the “Skeptic” and the “Uncertain” were loaded by JQ1 in vitro landowners, the latter is relatively more inclined toward biodiversity conservation. If conservation priority was to overlap with conservation opportunity,

then for two parcels of land with equal conservation priority, the one with the “Uncertain” holds a higher conservation opportunity than the one owned by the “Skeptic”. “Skeptics” are predominantly against private land conservation, mostly due to the fear of economic losses that they might have to bear. This fear stems from two reasons: first, the lack of actual financial incentives for private land conservation in Poland and second, the lack of communication and information dissemination on what conservation on private land entails. Financial incentives for conservation on private land in Poland is mostly limited to agricultural land only, the most popular program being the EU

Agri-Environment scheme which neither targets all land uses and nor does it focus on private land within protected areas. Without proper financial support mechanisms and tangible benefits, it would be difficult to covert a “Skeptic” into even an “Uncertain”. Also, the interviews conducted after each Q sort highlighted tuclazepam the need for a more accessible form of information dissemination at the community level to generate awareness on what conservation strategies such as Natura 2000 on private land actually entail. Most landowners were unaware or misinformed about regulations on private land within the boundaries of different types of protected areas. Scanning across all the stakeholder groups included in this study, we find a distinct dichotomy in the perception of the importance of private land conservation, with NGOs, government institutions and park officials at one end of the spectrum and the landowners at the other. This result may not be surprising, but it is yet another evidence of lack of good governance in protected area management.

Bcl-x gene was cloned by Boise[8] in 1993 by screening a chicken

Bcl-x gene was cloned by Boise[8] in 1993 by screening a chicken lymphocyte cDNA library using mouse Bcl-2 cDNA as the probe. Bcl-x has dual regulatory roles after activation. It is localized at 20q11.21 and a different splicing site at the 5′ terminus of its 1st mRNA exon leads to two fragments: a longer fragment Bcl-xl and a shorter fragment Bcl-xs. In recent years, expression of Bcl-x gene products (Bcl-xl and Bcl-xs)

in some tumors has been reported in domestic and foreign studies. However, the expression status in endometrial carcinoma tissue has rarely been characterized yet. Expression of Bcl-xl in endometrial carcinoma tissue and the significances Bcl-xl contains 241 amino acids and BH1-BH4 4 homologous sequences. Its sequence is 43% identical to that of Bcl-2 and their

Selleckchem Ro 61-8048 functions are similar too. Bcl-xl could inhibit cell apoptosis through forming heterodimer with Bax in cytosol. Studies found that Bcl-xl could inhibit apoptosis in a Bcl-2-independent manner. It could inhibit cell apoptosis mediated by many apoptosis-inducing factors, which was far upstream in regulation of apoptosis. Bcl-xl protein was highly expressed learn more in some tumors with low level of Bcl-2. Some researchers believed that Bcl-xl protein might have substituted the function of Bcl-2 in some tumors. Under certain condition, this protein has stronger apoptosis-inhibitory effect over Bcl-2, indicating the key role of Bcl-xl in the process of cell transformation. Studies showed that tumor cell apoptosis could be induced by lowering the Bcl-xl expression in human prostate cancer tissue[9]. Furthermore, PRKD3 researches demonstrated that induction of tumor cell apoptosis could be achieved through inhibiting the expression of Bcl-xl in malignant pleural click here mesothelioma[10]. Boehmdenf et al. [11]also showed that Bcl-xl expression in head and neck squamous cell carcinoma was significantly different among different types of pathological grading, while the expression of Bcl-xl protein in human prostate cancer specimens was closely correlated with the Gleason scoring

and metastasis of human prostate cancers[12]. Therefore, Bcl-xl plays an important role in pathogenesis of tumor as an anti-apoptotic factor, and chemotherapy-resistance of the tumor cell may be associated with high level of Bcl-xl expression [13, 14]. Our study found that expressions of Bcl-xl mRNA and protein were slightly increased in simple hyperplasia and atypical hyperplasia endometrial tissues, while significantly increased in endometrial carcinoma tissue. In addition, Bcl-xl expression was correlated with the pathological grading of endometrial carcinoma, suggesting that elevation in Bcl-xl disrupted the regulation of signal transduction and normal gene expression, while it led to abnormal endometrial cell proliferation differentiation and eventually endometrial carcinoma.

A portable chest x-ray performed at Patient Arrival Time (PAT) +

A portable chest x-ray performed at Patient Arrival Time (PAT) + 10 min revealed a right hemothorax. A right thoracostomy tube was placed, which returned 800 mL of blood. By this time the patient had responded to resuscitation of 2 L of Lactated Ringers (PAT + 20 min). The patient did not at this time meet criteria for an emergent thoracotomy (< 1500 mL thoracostomy output and hemodynamic stability), therefore planning the workup 3-deazaneplanocin A molecular weight for potential surgical sources of bleeding incorporated 3 areas of concern: 1) intra-thoracic injury resulting from

the lower right thoraco-abdominal wound, 2) intra-abdominal injury from the lower right thoraco-abdominal wound that was decompressing BIBW2992 datasheet through a diaphragm injury into the right thoracic cavity and 3) injury to the proximal great vessels from the Zone I neck wound decompressing into the right

thoracic cavity. We believed that distinguishing between these three possibilities was important in so far that the optimal surgical approach to each area was different: 1) posterior thoracotomy for thoracic injury, 2) laparotomy for abdominal and 3) median sternotomy/clavicular extension for proximal great vessel exposure. A focused abdominal sonogram for trauma (FAST) done at PAT + 20 min was negative. Given the range of possible injuries and the patient’s current stability, a Computer Tomography Angiogram (CTA) of the neck and chest and a CT scan of the abdomen were performed at PAT + 40 min. Although no contrast extravasation suggestive of active bleeding was appreciated on CT, a residual clot occupying the > 50% of the right chest was appreciated (see Figure 1). There was no evidence of intra-abdominal injury on the CT scan of the abdomen. A second thoracostomy tube Thymidine kinase was placed and approximately 2.2 L of blood were evacuated with suction. Given that this output now met criteria for surgical exploration, the PLX4032 order decision was made to take the patient to the operating room for an exploratory thoracotomy (PAT + 60 min). Resuscitation up to this point consisted

of 4 L of crystalloid and 6 units of PRBCs. Figure 1 CTA of chest revealing large residual clot in the right hemi-thorax. This study was performed in an attempt to localize the bleeding source in our patient. The study was negative in terms of identifying an anatomic source of bleeding (most relevant with respect to examination of the great vessels in the thoracic outlet, albeit falsely negative). However, this study served as a proxy for the post-thoracostomy chest x-ray and identified the insufficient drainage of the right chest with the thorocostomy tube in place. As a bleeding source had not yet been identified, all three potential areas of injury remained viable concerns. Given this uncertainty, the decision was made to utilize the surgical approach that would provide the greatest flexibility for our set of potentialities.

When appropriate, plates or broths were supplemented with erythro

When appropriate, plates or broths were supplemented with erythromycin (Erm) (5 μg/ml) and/or chloramphenicol (Cm) (5 μg/ml). Growth TPX-0005 molecular weight was monitored by measuring optical density of cultures at 600 nm (OD600) at regular time intervals. To investigate the effect of various stress agents on RpoE activity, cells were grown to mid log phase (OD600 = 0.6-0.7) and

treated for different time periods (30 min-1 h) with hydrogen peroxide (5 mM), diamide (100 mM), 0.01% SDS-0.1 mM EDTA or methylene blue (1 μM) in the presence of white light (source of singlet oxygen) [77]. Sequences from the following strains (with Genbank ID) were downloaded for comparative aligments: N.meningitidis_MC58 (AE002098); N.meningitidis_FAM18 (AM421808); N.meningitidis_053442 (Tideglusib CP000381); N.meningitidis_Z2491 (AL157959); N.gonorrhoeae_FA1090 (AE004969); N.gonorrhoeae_NCCP11945 (CP001050); N.cinerea_ATCC_14685 check details (ACDY00000000); N.flavescens_NRL30031/H210 (ACEN00000000); N.lactamica_ATCC_23970 (ACEQ00000000); N.subflava_NJ9703 (ACEO00000000); N.sicca_ATCC_29256 (ACKO00000000); N.mucosa_ATCC_25996 (ACDX00000000); Streptomyces coelicolor_A3(2)

(AL645882); Rhodobacter sphaeroides_ATCC_17025 (CP000661). Construction of ΔrpoE and ΔNMB2145 mutants of N. meningitidis N. meningitidis H44/76 knock-out mutants of rpoE (NMB2144) and NMB2145 were constructed

using the PCR-ligation-PCR method [79, 80]. All primers used in this study are listed in of Table 1. PCR products were generated with primer pairs CTsE-1/CTsE-2 and CTsE-3/CTsE4 for creating ΔrpoE and primer pairs CT-2145-1/CT2145-2 and CT-2145-3/CT-2145-4 for creating ΔNMB2145, ligated and the ligation products were reamplified with primer pairs CTsE-1/CTsE-4 (for ΔrpoE) and CT-2145-1/CT-2145-4 (for ΔNMB2145). The resulting PCR products were cloned into pCR2.1 (Invitrogen). The EcoRI digested Erm resistance cassette from pAErmC’ [81] was introduced into the created unique MfeI restriction site yielding plasmids pCR2.1-NMB2144 and pCR2.1-NM2145. The ΔrpoE and ΔNMB2145 strains were generated by natural transformation of strain H44/76 with pCR2.1-NMB2144 and pCR2.1-NMB2145 respectively, and selection for Erm resistance. Replacement of NMB2144 and NMB2145 by the Erm cassette was confirmed by PCR with primer pair CTsE-5/CTsE-6 (for ΔrpoE) and primer pair 2144-01/CT-2145-6 for ΔNMB2145. The orientation of the Erm cassette was determined by PCR using primer pair JP19/JP20 and mutant strains in which the transcriptional direction of the Erm cassette was in accordance with the transcriptional direction of the deleted genes were selected.

For strain 3841, mutation of flaE and flaH resulted in a reductio

For strain 3841, mutation of flaE and flaH resulted in a reduction in swimming motility,

suggesting that these subunits probably contribute to the flagellar filament. However, FlaE and FlaH peptides were not detected in the wildtype flagellar preparations, indicating Liproxstatin-1 ic50 that these peptides may not be stable under the conditions used. Glycosylation of flagellin subunits We observed that for strain 3841, both the upper and the lower bands on the protein gel contained the same set of flagellin subunits (FlaA, FlaB, and FlaC) (Table 3). The molecular masses (around 35kDa; Additional file 3) of the bands observed on the gel also appeared to be higher than the predicted molecular masses (31kDa) for FlaA and FlaB. This suggests that at least FlaA and FlaB may have undergone post-translational modification, resulting in a higher molecular weight and subsequently slower Protein Tyrosine Kinase inhibitor migration in the protein gel. Analysis

of the flagellin amino acid sequences of R. leguminosarum (Fig. 1 &2) revealed the presence of two to four putative glycosylation signals (N-X-S/T, where X is any amino acid except proline) [55]. The MS/MS spectral data for the identified peptides containing the glyosylation signal were also analyzed for the presence of glycosylation, based on the presence of peaks (m/z) corresponding to Temozolomide in vivo different types of glycosylation (Additional file 4 shows a sample of a MS/MS spectrum). However, we have not identified any potential glycosylation for these peptides which may be attributed to the lability of this modification

[56, 57]. Also, sequence coverage only ranged from 18% to 46% (Fig. 1 and 2) and peptides at the C-termini of the flagellin subunits were not detected. The C-terminus contains a common glycosylation 6-phosphogluconolactonase site for the R. leguminosarum flagellin subunits but these glycosylations were not detected in the MS/MS analysis, which could be due to the above reason. Thus, we performed glycoprotein staining to determine if the flagellins are post-translationally modified by glycosylation. We observed positive staining for the flagellins of both VF39SM and 3841 suggesting that these flagellins are glycosylated (Fig. 6). We were unable to determine which flagellins are glycosylated because the seven flagellins were not separated on the protein gel. Glycosylation of flagellins has been reported in a number of animal and plant pathogens including Campylobacter jejuni [56, 57], Helicobacter pylori [57, 58], Pseudomonas aeruginosa [59, 60], Pseudomonas syringae [61, 62], Listeria monocytogenes [63, 64], A. tumefaciens [6], Acidovorax avenae [65], as well as in the nitrogen-fixing bacterium Azosprillum brasilense [66]. It has been suggested that glycosylation may play a role in flagellar filament assembly and in pathogenesis [67, 68].

This finding agrees with other study where two lactobacilli were

This finding agrees with other study where two lactobacilli were able to increase the cell surface expression of TLR5 in HT29 cells to respond to S. Typhimurium [10]. In our model, this receptor could be also implicated in the protective effect of L. casei CRL 431 against see more S. Typhimurium infection. Finally, in our study, it was observed that L. casei CRL 431 oral administration increased TLR9 expression in healthy mice (Figure 3D). Seven days post infection, the increase of TLR9 (+) cells was observed in both groups of mice given probiotic bacteria (Lc-S and Lc-S-Lc), but

not in the infection control (S group), comparing with the untreated control group (C). This finding agrees with several works which affirm that CpG-TLR9 interaction can improve the resistance of normal adult mice to a variety of bacterial, viral and parasitic pathogens [36–38], including increased resistance to oral challenge with S. Typhimurium. TLR9 signalling is also required to mediate an anti-inflammatory

effect induced by probiotics, in a mouse colitis model [39]. Conclusions The results of the present work demonstrated the importance of L. casei CRL 431 continuous administration, before and after S. Typhimurium infection, to maintain the mechanisms of protection against this pathogen. L. casei CRL 431 administration before infection maintained the innate immune system in alert state, through modulated Enzalutamide expression of TLRs and cytokine signals in the effector and inductor site of the

gut immune system, which could be related with the protection against S. Typhimurium observed in a previous report. The results from the present work show that once established the disease, the continuous diglyceride L. casei CRL 431 administration protected the host mainly modulating the inflammatory response against the enteropathogen in both effector and inductor sites of the gut. This preliminary study shows some of the immune mechanisms implicated in the protective effect of L. casei CRL 431 againts S. Typhimurium infection. More studies should be performed to validate the use of this probiotic Anlotinib molecular weight strain in the prevention and as a complement to treatments in the defense against salmonellosis. The cellular populations involved in the cytokine production and how TLRs activate the different signals and the transcriptional factors for cytokine production are currently under study. Methods Animals and experimental groups Five-week-old BALB/c mice weighting 22-26 g were obtained from the closed random bred colony maintained at CERELA (Centro de Referencia para Lactobacilos, San Miguel de Tucumán, Argentina). The assays were performed using 3 experimental groups to assess the effect of the preventive or continuous probiotic administration against S. Typhimurium infection comparing with the infection control group (S).

XHX conceived and co-wrote the paper ALS, FR, WW, GXC, and ZGD p

XHX conceived and co-wrote the paper. ALS, FR, WW, GXC, and ZGD participated in the sample characterization. CZJ participated in its design and coordination. All authors read and approved the final manuscript.”
“Background Recently, outstanding achievements have been made in the development of a novel class of uncooled microbolometer infrared (IR) focal plane arrays (FPAs), the ones based on Si-on-insulator diodes as temperature sensors, whose format has reached 2 megapixels with a noise

equivalent temperature difference (NETD) of 60 mK at the frame rate of 15 Hz and the f-number of 1; the same group has also demonstrated a VGA FPA with outstanding NETD of 21 mK (at f/1, 30 Hz) (see, e. g., [1] and earlier articles cited therein). This success, as well Selleck CHIR99021 as previous achievements in this field [2–4], stimulates the search for simple complementary metal-oxide semiconductor CYT387 clinical trial (CMOS)-compatible technological solutions based on diode bolometers which would be suitable for mass production of IR FPAs

with low cost and NETD figures sufficient for many civil applications [5–9]. One of such solutions consists in utilization of metal/poly-Si Schottky barriers for the formation of sets of temperature sensors on bolometer membranes [8, 10]. Schottky barrier bolometer arrays seem to be first proposed theoretically for very sensitive cooled bolometers [11]. In this article, nickel silicide Schottky diodes formed on polycrystalline Si 〈P〉 films are proposed as thermosensitive elements of monolithic uncooled microbolometer IR FPAs. The Copanlisib chemical structure possibility of integration of technological process of the silicide-based Schottky diode structure formation into the standard CMOS technology of VLSI manufacturing [12] as well as the possibility

of cascade connection of Schottky L-NAME HCl diodes to increase the temperature sensitivity of bolometer elements of FPA and the use of layers of the diode structures as absorbing coatings in bolometers are advantages of these structures. Methods Sample preparation and characterization techniques Schottky barriers were formed on commercial single-crystalline Czochralski-grown silicon wafers (ρ=12Ωcm, (100), p-type) coated by about 600-nm-thick layer of SiO2 formed by thermal oxidation and about 180-nm-thick layer of pyrolytic Si3N4 (the dielectric layers simulated a design of the supporting membranes of the previously tested bolometer cells [10, 13, 14]). Films of polycrystalline Si 〈P〉 with the thicknesses of about 150 nm were deposited by thermal decomposition of monosilane at the substrate temperature T s≈620℃; then they were doped with phosphorus by ion implantation (E = 35 keV) to the dose of 5×1015 cm −2 and annealed at 700℃ for 30 min.