Sterile Forms Research Articles

Minimally invasive technologies in complex treatment of patients with acute fluid clusters in sterile pancreatonecrosis

OBJECTIVE. The study investigated the efficacy of minimally invasive interventions in patients with sterile form of pancreatonecrosis. MATERIAL AND METHODS. There were 202 patients with sterile form of pancreatonecrosis during 5 years. Local complications such as acute fluid clusters were revealed in 136 (67,3 %) and dense infiltrates were noted in 66 (32,7 %) patients. Minimally invasive surgeries were performed on 132 (65,3 %) patients. RESULTS. Pathological process was successfully treated in 97,2 % patients by using given methods and convertion to open surgery was performed in 2,8 % patients. CONCLUSIONS. The application of minimally invasive methods was final in 97,2 % patients with sterile form of pancreatonecrosis without lethal outcomes.

ISSR marker-assisted determination of the genetic polymorphism of an original sterile form of winter rape

The aim and tasks of the study. To identify the genetic differences in descendants of an original sterile form of winter rape bred at the Plant Production Institute nd a VYa Yuryev and based on the Ogura- and Polima-type male sterility using microsatellite analysis.Materials and methods. The study was conducted under laboratory conditions in the Plant Production Institute nd a VYa Yuryev of NAAS in 2014-2016. PCR with ISSR markers was carried out in a horizontal Hoefer HE 100 SuperSub unit (USA). Seven accessions based on Ogura- and Polima-type male sterility and the original sterile form were investigated. Molecular weight markers 1 Kb ("SibEnzim", Russia) were used. Gels were documented using a Nikon D50 camera. Amplicon numbers and sizes were determined using a demo version of Totallab100. Frequencies of locus alleles were calculated in Excel. Amplification profiles were evaluated by fingerprinting using informative parameters, such as the index of primer informativeness (IPI). The Botstein’s classification and Shannon’s indices were used. Polymorphism of ISSR markers was assessed using the Nei index of genetic diversity (He). To evaluate the divergence between accessions by ISSR markers, the PHYLIP program was used. Dendrograms were constructed by the nearest neighbor algorythm.Results and discussion. Amplification with five ISSR primers identified 49 DNA fragments, 31 of which were polymorphic, in the accessions under investigation. The amplicon number varied from 5 to 14 fragments, on average 9.8 per primer. The maximum number of loci was identified using primers UBC810 and UBC 834.Amplification with five ISSR primers found 12 allelic variants (UBC810 [587 bp], UBC834 [988, 774, 709 bp], UBC842 [1127, 475 bp], UBC847 [1349, 969, 496 bp] and UBC857 [791, 520, 446 bp]). The Polima accession had no marker loci. The results proved that there were no identical genotypes in the test sample.The absolute and normalized values of theShannonindex showed that UBC 810 was the most polymorphic ISSR marker was (H '= 0.495, H'norm = 0.715). The ISSR marker UBC 857 had the lowest level of polymorphism (H '= 0.364, H'norm = 0.525). The total level of variability in ISSR markers was H'= 0.445 and H'norm = 0.642.The dendrogram distinguished three opposite clusters of rape accessions. Cluster 1 included Bekr (1) D 21, Bekr (1) D 2, Bekr (2) D 16/2 (descendants of the original sterile form); cluster 2 - Polima and MON accessions (descendants with Polima sterility); cluster 3 - Inra and D8 (in vivo) (descendants with Ogura sterility).Conclusions. A high range of intraspecies variability among the rape accessions under investigation was detected by ISSR markers. We established the general patterns of grouping rape accessions, using classification, which was formulated by cluster analysis using the nearest neighbor (NJ) algorithm. The study proved that descendants of the original sterile form had one root and showed that there were significant genetic differences from accessions with the Ogura- and Polima-type male sterility

Post-vasectomy pain syndrome: diagnosis, management and treatment options.

Vasectomy is the most effective form of sterilization for men. With approximately 500,000 vasectomies performed each year in the United States, 1–2% of these patients will experience chronic testicular pain for greater than three months after the procedure. Post-vasectomy pain syndrome (PVPS) is diagnosis of exclusion, and may be caused by direct damage to spermatic cord structures, compression of nerves in the spermatic cord via inflammation, back pressure from epididymal congestion, and perineural fibrosis. Treatment should begin with the most noninvasive options and progress towards surgical management if symptoms persist. Noninvasive therapies include acupuncture, pelvic floor therapy and pharmacologic options. Ultimately, management of PVPS requires a multimodal approach. Thorough understanding of the potential etiologies of PVPS along with the therapeutic options currently available is important to improve quality of life.

Vasectomy and Prostate Cancer Risk in the European Prospective Investigation Into Cancer and Nutrition (EPIC).

PurposeVasectomy is a commonly used form of male sterilization, and some studies have suggested that it may be associated with an increased risk of prostate cancer, including more aggressive forms of the disease. We investigated the prospective association of vasectomy with prostate cancer in a large European cohort, with a focus on high-grade and advanced-stage tumors, and death due to prostate cancer.Patients and MethodsA total of 84,753 men from the European Prospective Investigation into Cancer and Nutrition (EPIC), aged 35 to 79 years, provided information on vasectomy status (15% with vasectomy) at recruitment and were followed for incidence of prostate cancer and death. We estimated the association of vasectomy with prostate cancer risk overall, by tumor subtype, and for death due to prostate cancer, using multivariable-adjusted Cox proportional hazards models.ResultsDuring an average follow-up of 15.4 years, 4,377 men were diagnosed with prostate cancer, including 641 who had undergone a vasectomy. Vasectomy was not associated with prostate cancer risk (hazard ratio [HR], 1.05; 95% CI, 0.96 to 1.15), and no evidence for heterogeneity in the association was observed by stage of disease or years since vasectomy. There was some evidence of heterogeneity by tumor grade (P = .02), with an increased risk for low-intermediate grade (HR, 1.14; 95% CI, 1.01 to 1.29) but not high-grade prostate cancer (HR, 0.83; 95% CI, 0.64 to 1.07). Vasectomy was not associated with death due to prostate cancer (HR, 0.88; 95% CI, 0.68 to 1.12).ConclusionThese findings from a large European prospective study show no elevated risk for overall, high-grade or advanced-stage prostate cancer, or death due to prostate cancer in men who have undergone a vasectomy compared with men who have not.

Variability of seed traits of fertile and sterile variants of the maize hybrid combination ZP 434

The introduction of sterile forms of parental inbreds in the production of hybrids maize seed has led to the improvement of production methods and to the facilitation of seed crop control. The aim of the present study was to compare utility values of the F1 generation between seeds produced by the use of standard inbreds and seeds produced from plants with cytoplasmic male sterility inherited maternally. Significant differences were detected in all observed traits compared to the version of the hybrid combination. The share of large seed fractions was higher in the fertile than in the sterile version, while the SR to SF ratio was uniform in the sterile version. The weight of 1000-seed was greater in the sterile form (325.7 g), while the first count and germination were equal amounting to 97.2 %. The first count (95.7 %) and germination (94.5 %) were also high in the fertile version.

Estimation and selection of sugar beet hybrid components suitable for biofuel production in terms of energy characteristics

Purpose. To study the agronomic characteristics (yield, sugar content, bioethanol yield, energy yield, infestation by diseases and pests) in sterile and fertile breeding materials of beet sugar and select the best ones through top crossings in order to obtain experimental hybrids suitable for production both biofuel and sugar. Methods. Six diploid sterile lines of different origin and six multigerm diploid pollinators served as starting materials. Individual analysis of breeding value of the genotypes in terms of root yield, sugar content and infestation with black root, cercospora and pests was carried out. Energy characteristics, such as bioethanol, biogas and energy yield of sugar beet were calculation. Results. In crops of sugar beet, minor affection of leaves with cercospora (1–2 points) was observed. Pollensterile forms had a greater degree of tolerance to pathogens as compared to fertile pollinators. Yields and sugar content of multigerm pollinators were higher than that of sterile forms. Their yield ranged from 34.7 to 414 t/ha and sugar content from 14.0 to 15.6 % (the male line) against 32.5–38.3 t/ha and 13.0–14.0%, respectively (female line), which affected the yield of bioethanol, biogas and energy. Conclusions. Prospective multigerm pollinators '1180 02002 (2x)' and '1184 B2 (2x)' were selected in terms of high tolerance to all the pathogens, '1183 02024 (2x)' and '118 202 015 (2x)' in terms of ethanol yield and energy yield, '1182 02015 (2x)', '1233 Yan3 (2x)', 'CMS Uman.1212' in terms of biogas yield. Next year the selected lines will be used to produce experimental hybrids of sugar beet suitable for biofuel production.

In Vitro Chromosome Doubling of Prunus laurocerasus ‘Otto Luyken’ and ‘Schipkaensis’

Prunus laurocersaus L. (2n = 22x = 176), common cherrylaurel, is an evergreen shrub generally used as a hedge or screen. This species produces large drupes that are a nuisance when they drop on walkways or deposited by birds and also has escaped cultivation in parts of northwestern United States, which has raised concern about the invasive potential of common cherrylaurel. Therefore, a fruitless and sterile form of common cherrylaurel is desirable. As part of our efforts to develop sterile common cherrylaurel cultivars, we conducted two experiments to induce chromosome doubling using in vitro exposure of ‘Otto Luyken’ and ‘Schipkaensis’ cherrylaurel to oryzalin. For ‘Otto Luyken’ (Expt. 1), we tested the effects of treatment duration (1, 2, 14, or 28 days) and oryzalin concentration (0, 6.25, 12.5, 25, 50, 100, or 150 μm) applied in a liquid phase over explants. In Expt. 2, we treated ‘Schipkaensis’ cherrylaurel shoots with a single duration of 28 days and exposed explants to the same varying concentrations of oryzalin incorporated into the solidified medium. In Expt. 1, the 14-day treatment had reduced survival compared with 1- and 2-day treatments and there was still greater mortality in the 28-day treatment. Duration of the treatment affected mortality more than oryzalin concentration. Sixteen treatment combinations resulted in 44x plants. The percentage of 44x plants increased with concentration in the 1- and 2-day treatments up to 30% of treated shoots at 150 μm. Overall, the longer duration treatments in Expt. 1 were less efficient for inducing 44x plants. Expt. 2 was less effective for inducing homogenous 44x plants. It is unclear if this is due to treatment or cultivar differences but the highest concentration was 8% in the 6.25 μm treatment.

Inter species variations in cultivable endophytic fungal diversity among the tropical seagrasses

Seagrasses thriving in the marine environment are inhabited with rich endophytic assemblages which are less explored globally. The present study isolated and identified 42 culture dependent endophytic fungi through internal transcribed spacer (ITS1–ITS4) sequences and their phylogenetic placement was ascertained. Among the 42 culturable endophytic fungal isolates, 25 were identified up to species level, 15 to the genera level and 2 to the order level. Fungal taxa were represented by 13 genera (Penicillium, Eupenicillium, Paecilomyces, Aspergillus, Fennellia, Talaromyces, Eurotium, Teratosphaeria, Cladosporium, Alternaria, Cochliobolus, Phialophora and Simplicillium) belonging to the phylum Ascomycota, except Rhizomucor (Seagrass Endophyte—SGE 39) which belonged to Glomeromycota. Of these, 34 were Eurotiomycetes, 4 were Dothideomycetes and 3 were Sordariomycetes. Dothideomycetes are represented mostly by sterile mycelial forms and have only been identified by DNA (Deoxyribonucleic acid) sequence analysis. Penicillium and Aspergillus were encountered more frequently among all the seagrasses. Seven fungal genera namely Eurotium, Eupenicillium, Teratosphaeria, Simplicillium, Cochliobolus, Rhizomucor and Fennelia are reported for the first time as endophytes from seagrasses. The present study reports subtle variations in distribution of endophytic population in the tropical seagrases.

Female Adult Aedes albopictus Suppression by Wolbachia-Infected Male Mosquitoes.

Dengue, chikungunya and zika viruses are pathogens with an increasing global impact. In the absence of an approved vaccine or therapy, their management relies on controlling the mosquito vectors. But traditional controls are inadequate, and the range of invasive species such as Aedes albopictus (Asian Tiger Mosquito) is expanding. Genetically modified mosquitoes are being tested, but their use has encountered regulatory barriers and public opposition in some countries. Wolbachia bacteria can cause a form of conditional sterility, which can provide an alternative to genetic modification or irradiation. It is unknown however, whether openly released, artificially infected male Ae. albopictus can competitively mate and sterilize females at a level adequate to suppress a field population. Also, the unintended establishment of Wolbachia at the introduction site could result from horizontal transmission or inadvertent female release. In 2014, an Experimental Use Permit from the United States Environmental Protection Agency approved a pilot field trial in Lexington, Kentucky, USA. Here, we present data showing localized reduction of both egg hatch and adult female numbers. The artificial Wolbachia type was not observed to establish in the field. The results are discussed in relation to the applied use of Wolbachia-infected males as a biopesticide to suppress field populations of Ae. albopictus.

Vasectomy and prostate cancer risk: a historical synopsis of undulating false causality

The potential influence of vasectomy being a risk factor for the development of prostate cancer is not a new concept, with more than 30 publications addressing the topic. Given the global frequency of vasectomy and the prevalence of prostate cancer, this subject justifiably deserves scrutiny. Several articles have claimed that vasectomy puts men at risk for future development of prostate cancer. We explore articles that have shown the contrary (no link), explore the studies’ strengths and weaknesses, describe possible prostate cancer pathophysiologic mechanisms, and apply Bradford Hill criteria to help discern correlation with causation. The risk and interest of association of prostate cancer with vasectomy has waxed and waned over the last three decades. Based on our review, vasectomy remains a safe form of sterilization and does not increase prostate cancer risk.

Blue light reduces organ injury from ischemia and reperfusion

Evidence suggests that light and circadian rhythms profoundly influence the physiologic capacity with which an organism responds to stress. However, the ramifications of light spectrum on the course of critical illness remain to be determined. Here, we show that acute exposure to bright blue spectrum light reduces organ injury by comparison with bright red spectrum or ambient white fluorescent light in two murine models of sterile insult: warm liver ischemia/reperfusion (I/R) and unilateral renal I/R. Exposure to bright blue light before I/R reduced hepatocellular injury and necrosis and reduced acute kidney injury and necrosis. In both models, blue light reduced neutrophil influx, as evidenced by reduced myeloperoxidase (MPO) within each organ, and reduced the release of high-mobility group box 1 (HMGB1), a neutrophil chemotactant and key mediator in the pathogenesis of I/R injury. The protective mechanism appeared to involve an optic pathway and was mediated, in part, by a sympathetic (β3 adrenergic) pathway that functioned independent of significant alterations in melatonin or corticosterone concentrations to regulate neutrophil recruitment. These data suggest that modifying the spectrum of light may offer therapeutic utility in sterile forms of cellular injury.

Особливості формування елементів структури продуктивності кукурудзи залежно від наявності в їх материнському компоненті генетичних маркерів

Особливості формування елементів структури продуктивності кукурудзи залежно від наявності в їх материнському компоненті генетичних маркерів

Tilling Our Own Cultural Identity to Understand Sociocultural Evolution

Culture. How can something so integral to our daily lives be so challenging to understand in ourselves and others? As clinicians, parents, and patients, nearly all that we say and do passes through our own cultural filter, often influencing our thoughts and actions without our active awareness. In its most sterile form, culture can be defined as “the customary beliefs, social forms, and material traits of a racial, religious, or social group; the characteristic features of everyday existence as diversions or a way of life.”1 At the individual level, cultural identity considers the influence of race, ethnicity, religion, family history, gender identity, and other factors on social, psychological, and biological functioning and wellbeing.

RADISH CULTIVARS BRED AT VNIISSOK AND THEIR USE

On the base of comparative assessment and average data estimation from 2010 to 2015, the characteristics of 11 cultivars bred at VNIISSOK were described regarding yield capacity and its components, variation, interdependencies at two sowing terms winter, spring time, direction of selection and cultivar uses at cultivar maintaining breeding program. Cultivar 'Koroleva Margo' is rather used in breeding program for yield capacity and taste qualities. Cultivar 'Sonata' is a source of such features as early maturity, valuable biochemical content and low nitrate accumulation. Cultivar 'Sofit' is known to bear early maturity and simultaneous seed maturation. 'Ariya' is a source of cylindrical root shape and early maturation. Cultivar 'Teplichnyi Gribovskyi' is used in breeding program for early maturation and simultaneous seed maturation. Cultivar 'Feya' bears resistance to bolting and valuable biochemical substances. Cultivar 'Variant' has such features as root density, ability to grow under low lighting, short-term storability. Purple-red with white tips is a newmade cultivar 'Mavr' suitable for breeding program for valuable biochemical content, unusual root color, also bearing male sterile forms (MS) for heterosis hybrid breeding. Out of all cultivars regarded, 'Mokhovskiy' is only a genetic source to breed radish forms with edible leaves. The positive weak dependence was revealed between cultivar biochemical characteristics, root weight, dry matter content, and nitrate content; whereas the positive middle dependence is revealed with sugar contents and negative dependence with ascorbic acid content. According to iochemical characteristics, the best cultivar population as 'Ariya', 'Sonata' (ascorbic acid); Mavr, Sonata, Variant (dry matter, sugars) have been chosen. Cultivars 'Koroleva Margo', Pheya, Sonata, Sophit, Mokhovskiy are the initial breeding accessions for selection of new cultivar population, MS and MF lines needed for heterosis.

ESTERILIZAÇÃO QUÍMICA E AGENTES GELEIFICANTES ALTERNATIVOS NA PROPAGAÇÃO VEGETATIVA IN VITRO DO ABACAXIZEIRO ‘VITÓRIA’

RESUMO O objetivo deste trabalho foi avaliar a eficiência da esterilização química do meio de cultura e de agentes geleificantes alternativos e sua influência no desenvolvimento in vitro e ex vitro de plantas de abacaxizeiro ‘Vitória’. O meio de cultivo utilizado foi composto pelos sais do MS e vitaminas de White, com 30 g L-1 de sacarose e 100 mg L-1 de mioinositol. Foram realizadas duasformas de esterilização dos meios de cultivo e das vidrarias: em autoclave a 121°C e com solução de hipoclorito de sódio (NaClO) a 0,003% para enxágue das vidrarias e 0,0003% no meio de cultivo. Os agentesgeleificantes testados foram: M1: ágar (6,0 g L-1); M2: amido de milho (60,0 g L-1); M3: ágar (3,0 g L-1) + amido de milho (30,0 g L-1) e M4: ágar (3,0 g L-1) + amido de mandioca (30,0 g L-1). Após 30 dias de cultivo in vitro, constatou-se que o NaClO e os agentes geleificantes alternativos não interferiram nocrescimento e no desenvolvimento das mudas. Parte das mudas de cada tratamento foi aclimatizada durante 90 dias,após os quais se verificou que não houve influência dos agentes geleificantes no crescimento destas, e,para a maioria dos parâmetros avaliados, as mudas oriundas dos tratamentos envolvendo a esterilização química apresentaram resultados semelhantes ou superiores às dos meios autoclavados.

Enhancing the stability and ecological safety of mass-reared transgenic strains for field release by redundant conditional lethality systems.

The genetic manipulation of agriculturally important insects now allows the development of genetic sexing and male sterility systems for more highly efficient biologically-based population control programs, most notably the Sterile Insect Technique (SIT), for both plant and animal insect pests. Tetracycline-suppressible (Tet-off) conditional lethal systems may function together so that transgenic strains will be viable and fertile on a tetracycline-containing diet, but female-lethal and male sterile in tetracycline-free conditions. This would allow their most efficacious use in a unified system for sterile male-only production for SIT. A critical consideration for the field release of such transgenic insect strains, however, is a determination of the frequency and genetic basis of lethality revertant survival. This will provide knowledge essential to evaluating the genetic stability of the lethality system, its environmental safety, and provide the basis for modifications ensuring optimal efficacy. For Tet-off lethal survival determinations, development of large-scale screening protocols should also allow the testing of these modifications, and test the ability of other conditional lethal systems to fully suppress propagation of rare Tet-off survivors. If a dominant temperature sensitive (DTS) pupal lethality system proves efficient for secondary lethality in Drosophila, it may provide the safeguard needed to support the release of sexing/sterility strains, and potentially, the release of unisex lethality strains as a form of genetic male sterility. Should the DTS Prosβ2(1) mutation prove effective for redundant lethality, its high level of structural and functional conservation should allow host-specific cognates to be created for a wide range of insect species.

Ida B. Wells and “Color Line Justice”: Rethinking Reparations in Feminist Terms

In contrast to sterile forms of apology or the evasions of color-blind political discourse, calls for reparations explicitly link the realization of democratic ideals to a history of antiblack violence and exploitation. I explore three dimensions of Ida B. Wells's antilynching writings that anticipate and enrich contemporary demands for reparations for slavery and Jim Crow. First, Wells's commitment to truth-telling, a centerpiece of reparations efforts around the world, models how to criticize received understandings of both past and present and revise them in the service of more democratic ways of life. Second, her gender- and sexuality-conscious analysis of the political and economic causes and effects of antiblack violence adds a dimension that is missing from many reparations arguments. Third, Wells both advocates an active citizenry and demands collective responsibility for the protection of black citizenship; in so doing, she reveals the racial and gendered underpinnings of contemporary disavowals of responsibility for racial justice, dressed up as “personal responsibility,” and offers a powerful rebuttal.

Medicaid Consent to Sterilization forms: historical, practical, ethical, and advocacy considerations.

The US government developed a Medicaid Consent to Sterilization form in the mid-1970s to protect vulnerable populations from coerced sterilization. US health care practices have evolved significantly since that time. The form, however, has not changed, and may be preventing access to desired services for the same vulnerable populations it was originally created to protect. This paper discusses the relevant historical, practical use, ethical, and advocacy considerations of the Medicaid sterilization consent form and proposes changes to make the form more pertinent to today's medical environment.

Hand (and orthopaedic) surgery in primitive war conditions

Old Chinese and Egyptian physicians used some chemical methods for the treatment of wounds and injuries. Although the beneficial effect of passing surgical instruments through flame was well known to ancient civilizations, the heat as a preservative method in medical industry, was first introduced in 1809 in France. Joseph Lister (1827–1912) believed that it was microbes carried in the air that caused diseases to be spread in wards. Sterile gowns and caps were used by Gustav Neuber. Surgical masks were applied in 1897 by Mikulicz, while rubber gloves were advised by William Halstead in 1890. For the last two and half years, Syria has suffered from the worst kind of war. So far more than 125 thousand civilians are dead and more than four hundred thousand injured. A lot of severe different casualties resulted, which are severely above the capacity of the local hospitals, especially since some hospitals were occupied by some fighting sides and used for military purposes. Some houses changed into field hospitals, where there is no degree of sterilization at all. As I am an orthopedic surgeon, I found myself going back to practice a primitive form of sterilization. We applied smoking and boiling the metal surgical instruments. Other non-metal instruments were used without sterilization. Some surgical procedures, such as amputations, were performed with bare hands, as there are no surgical gloves. Bone saws were sterilized by flaming. The percentage of infection is very high due to a lack in antibiotics as well. The aim of this paper is to shed light on the primitive methods of sterilization inside some hospitals in Syria, where the war is still flaming.

Working with argan cake: a new etiology for hypersensitivity pneumonitis.

BackgroundArgan is now used worldwide in numerous cosmetic products. Nine workers from a cosmetic factory were examined in our occupational medicine department, following the diagnosis of a case of hypersensitivity pneumonitis (HP) related to handling of argan cakes.MethodsOperators were exposed to three forms of argan (crude granulates, powder or liquid) depending on the step of the process. All workers systematically completed standardized questionnaires on occupational and medical history, followed by medical investigations, comprising, in particular, physical examination and chest X-rays, total IgE and a systematic screening for specific serum antibodies directed against the usual microbial agents of domestic and farmer’s HP and antigens derived from microbiological culture and extracts of various argan products. Subjects with episodes of flu-like syndrome several hours after handling argan cakes, were submitted to a one-hour challenge to argan cakes followed by physical examination, determination of Carbon Monoxide Diffusing Capacity (DLCO) and chest CT-scan on day 2, and, when necessary, bronchoalveolar lavage on day 4.ResultsSix of the nine workers experienced flu-like symptoms within 8 hours after argan handling. After challenge, two subjects presented a significant decrease of DLCO and alveolitis with mild lymphocytosis, and one presented ground glass opacities. These two patients and another patient presented significant arcs to both granulates and non-sterile powder. No reactivity was observed to sterile argan finished product, antigens derived from argan cultures (various species of Bacillus) and Streptomyces marokkonensis (reported in the literature to contaminate argan roots).ConclusionsWe report the first evidence of hypersensitivity pneumonitis related to argan powder in two patients. This implies preventive measures to reduce their exposure and clinical survey to diagnose early symptoms. As exposure routes are different and antibodies were observed against argan powder and not the sterile form, consumers using argan-based cosmetics should not be concerned.Electronic supplementary materialThe online version of this article (doi:10.1186/s12890-015-0013-3) contains supplementary material, which is available to authorized users.