Deer Frozen Semen Quality in Tris Sucrose and Tris Glucose Extender with Different Glycerol Concentrations

In order to improve Timor deer (Cervus timorensis) frozen semen quality, the influence of sugar and glycerol concentration on semen characteristics of sperm was investigated. The semen was collected from five sexually mature Timor deer using an electroejaculator. The semen was evaluated and divided into six equal tubes and diluted with Tris sucrose glycerol 10% (TSG10); Tris sucrose glycerol 12% (TSG12); Tris sucrose glycerol 14% (TSG14); Tris glucose glycerol 10% (TGG10); Tris glucose glycerol 12% (TGG12); and Tris glucose glycerol 14% (TGG14). The diluted semen was packed in 0.3 ml minitub straw, equilibrated at 5 oC for 4 hours and frozen on liquid nitrogen vapor for 10 minutes. The total of forward motility, viability, acrosome integrity and membrane integrity were assessed in fresh, after equilibration and after thawing. Results demonstrated that the percentage of sperm motility in TSG10was higher (P (63.93±7.23%). The sperm in TSG10 and TSG14 extender were superior in acrosome as well as in membrane integrity. It was concluded that Tris Sucrose with 10% glycerol protected Timor deer sperm better than other combinations

Tris+/Na+ permeability ratios of nicotinic acetylcholine receptors are reduced by mutations near the intracellular end of the M2 region

Tris+/Na+ permeability ratios were measured from shifts in the biionic reversal potentials of the macroscopic ACh-induced currents for 3 wild- type (WT), 1 hybrid, 2 subunit-deficient, and 25 mutant nicotinic receptors expressed in Xenopus oocytes. At two positions near the putative intracellular end of M2, 2' (alpha Thr244, beta Gly255, gamma Thr253, delta Ser258) and -1', point mutations reduced the relative Tris+ permeability of the mouse receptor as much as threefold. Comparable mutations at several other positions had no effects on relative Tris+ permeability. Mutations in delta had a greater effect on relative Tris+ permeability than did comparable mutations in gamma; omission of the mouse delta subunit (delta 0 receptor) or replacement of mouse delta with Xenopus delta dramatically reduced relative Tris+ permeability. The WT mouse muscle receptor (alpha beta gamma delta) had a higher relative permeability to Tris+ than the wild-type Torpedo receptor. Analysis of the data show that (a) changes in the Tris+/Na+ permeability ratio produced by mutations correlate better with the hydrophobicity of the amino acid residues in M2 than with their volume; and (b) the mole-fraction dependence of the reversal potential in mixed Na+/Tris+ solutions is approximately consistent with the Goldman- Hodgkin-Katz voltage equation. The results suggest that the main ion selectivity filter for large monovalent cations in the ACh receptor channel is the region delimited by positions -1' and 2' near the intracellular end of the M2 helix

Modular polyoxometalate-layered double hydroxide composites as efficient oxidative catalysts

The exploitation of intercalation techniques in the field of two-dimensional layered materials offers unique opportunities for controlling chemical reactions in confined spaces and developing nanocomposites with desired functionality. In this paper, we demonstrate the exploitation of the novel and facile ‘one-pot’ anion-exchange method for the functionalization of layered double hydroxides (LDHs). As a proof of concept, we demonstrate the intercalation of a series of polyoxometalate (POM) clusters, Na3[PW12O40]•15H2O (Na3PW12), K6[P2W18O62]•14H2O (K6P2W18), and Na9LaW10O36•32H2O (Na9LaW10) into tris(hydroxymethyl)amino-methane (Tris) modified layered double hydroxides (LDHs) under ambient conditions without the necessity of degassing CO2. Investigation of the resultant intercalated materials of Tris-LDHs-PW12 (1), Tris-LDH-P2W18 (2), and Tris-LDH-LaW10 (3) for the degradation of methylene blue (MB), rhodamine B (RB) and crystal violet (CV) has been carried out, where Tris-LDH-PW12 reveals the best performance in the presence of H2O2. Additionally, degradation of a mixture of RB, MB and CV by Tris-LDH-PW12 follows the order of CV > MB > RB, which is directly related to the designed accessible area of the interlayer space. Also, the composite can be readily recycled and reused at least ten cycles without measurable decrease of activity

PENGARUH PROYEK PENYEDIAAN AIR BERSIH DAN PENYEHATAN LINGKUNGAN PEMUKIMAN TERHADAP PERUBAHAN SKOR RUMAH SEHAT ORANG TUA MURID SD PANJANGWETAN 3 KOTAMADYA DATI II PEKALONGAN TAHUN 1999

Cakupan rumah sehat di kodya Pekalongan masih rendah dan untuk mempercepat peningkatannya perlu adanya Proyek PABPLMPR, dimana salah satu kegiatannya adalah pemberdayaan masyarakat sekolah di SD Panjangwetan 3 Pekalongan. Kegiatan proyek diawali dengan survei pemantauan lingkungan (SPL) menggunakan kartu rumah mendapatkan data rumah sehat orang tua murid sebesar 51%. Penelitian ini ingin mengetahui apakah ada perubahan skor rumah sehat sesudah proyek. Penelitian dilakukan dengan pencatatan informasi sebelum kegiatan proyek dan dinilai setelah kegiatan proyek. Jumlah sample 100 rumah orang tua murid, responden yang sama pada SPL 1 maupun SPL 2. pengolahan dengan t test untuk perbedaan rata-rata dua kelompok data berpasangan (paired t test sample terikat) menggunakan program SPSS. Dari analisa didapatkan adanya peningkatan skor rumah sehat secara bermakna antara sebelum dan sesudah dilaksanakan proyek. Komponen rumah sehat yang penigkatan juga bermakna adalah sarana penyediaan air bersih, pembuangan sampah, jendela ruang tidur, kelembaban ruang tidur, bebas jentik, bebas laalat, pekarangan bersih dan pekarangan bermanfaat. Komponen yang rerata skornya meningkat tetapi tidak bermakna adalah ketersediaan sarana jamban, sarana pembuangan air limbah, lubang asap dapur, bebas tikus, dan kandang terpisah. Hal-hal yang mungkin kurang mendukung peningkatan skore rumah sehat antara lain factor social ekonomi, geografi, perilaku, pengolahan stimulan, frekuensi dan kualitas penyuluhan serta adanya dukungan dari pemerintah daerah/proyek. Dari penelitian ternyata ada perubahan skor rumah sehat orang tua murid sebelum dan sesudah proyek secara bermakna. Untuk komponen yang peningkatannya belum sesuai harapan diupayakan peningkatan penyuluhan, peran serta orang rua murid, pengolahan dana stimulan dan koordinasi. Kata Kunci: PROYEK PABPLMPR, RUMAH SEHA

Phosphorus-containing imide resins

Cured polymers of bis and tris-imides derived from tris(m-aminophenyl) phosphine oxides by reaction with maleic anhydride or its derivatives, and addition polymers of such imides, including a variant in which a monoimide is condensed with a dianhydride and the product is treated with a further quantity of maleic anhydride prior to curing are disclosed and claimed. Such polymers are flame resistant. Also disclosed are an improved method of producing tris(m-aminophenyl) phosphine oxides from the nitro analogues by reduction with hydrazine hydrate using palladized charcoal or Raney nickel as the catalyst and fiber reinforced cured resin composites

Sustainable adaptive reuse – economic impact of cultural heritage

Purpose The purpose of this paper is to investigate the positive externalities of adaptive reuse of heritage buildings and the economic impact on adjacent residential property prices as adaptive reuse is emerging as a significant heritage management and cultural heritage conservation practice recognized by the International Council on Monuments and Sites. Design/methodology/approach Through mixed methodologies of hedonic price model and case studies of three tenement houses in Hong Kong, this paper argues that the adaptive reuse of heritage buildings increases the values of residential properties within the district and revitalizes the area economically and culturally because of the positive externalities generated from the cultural heritage. Findings The findings have identified key cultural heritage values of adaptive reuse via the case studies as well as the major intangible cultural values associated with the heritage assignment. On the other hand, the hedonic regression also verifies that key variables such as heritage completion and distance from heritage show significance to the property prices of adjacent residential units. Practical implications The research is useful for heritage conservationists, policy makers and urban planners in other cities with regards to management and implementation of sustainable cultural heritage revitalization schemes for economic benefits. Originality/value The research is original in its scope and context, and is one of the first of its kind for a high-density metropolitan context in Hong Kong and is significant in demonstrating the economic impact of the heritage practice of adaptive reuse

The Effectiveness of the Three-Module Job Training Intervention on Job Search Knowledge, Job Search Attitude Knowledge, and Job Survival/Maintenance Knowledge

The purpose of this study was to determine the effectiveness of the Three-Module Job Training Intervention on increasing job search knowledge, job search attitude knowledge, and job survival/maintenance knowledge. The Three-Module Job Training Intervention consists of Module I-Job Search Training (JST); Module II-Job Search Attitude Training (JSAT); and Module III-Job Survival and Maintenance Training (JSMT). In this study, the researcher used three instruments to measure pre-training and post-training levels of job search knowledge, job search attitude knowledge, and job survival/maintenance knowledge. The Job Search Knowledge Scale (JSKS) measured the level of job search knowledge; the Job Search Attitude Inventory (JSAI) measured the level of job search attitude knowledge; and the Job Survival Success Scale (JSSS) measured the level of job survival knowledge. All three instruments were created by John J. Liptak (2009, 2015). According to Liptak (2015), an increase in the participant’s post-training assessment score compared to the participant’s pre-training assessment score indicates an increase in the participant’s level of knowledge. In addition to Liptak’s assessments, the researcher used the Kirkpatrick Four-Level Training Evaluation Model to evaluate the effectiveness of training (D.L., Kirkpatrick & J. D., Kirkpatrick, 2006, 2007). According to the Kirkpatrick and Kirkpatrick (2006, 2007) levels one, two, three, or all four levels may be used to evaluate effectiveness of training. In this study, the researcher evaluated the effectiveness of training at Level I (Reaction) and Level II (Learning). For the evaluation of the Three-Model Job Training Intervention at Level I (Reaction), survey results indicated effectiveness of the Three-Model Job Training Intervention. At Level II (Learning) of the Kirkpatrick Four-Level Training Evaluation Model, Liptak’s assessment tools (JSKS, JSAI, JSSS) were used to measure participants’ pre-training and post-training levels of knowledge. Paired t-tests results indicated that the participants who received training from the Three-Module Job Training Intervention to increase job search knowledge, job search attitude knowledge, and job survival/ maintenance knowledge showed an increase in their levels of knowledge. With an increase in the participants’ level of knowledge in the specified areas, in addition to survey results, this study demonstrated the effectiveness of the Three-Module Job Training Intervention

Phosphorus-containing imide resins

Bis- and tris-imides derived from tris (m-aminophenyl) phosphine oxides by reaction with maleic anhydride or its derivatives, and addition polymers of such imides, including a variant in which a mono-imide is condensed with a dianhydride and the product is treated with a further quantity of maleic anhydride. Such monomers or their oligomes may be used to impregnate fibers and fabrics which when cured, are flame resistant. Also an improved method of producing tris (m-aminophenyl) phosphine oxides from the nitro analogues by reduction with hydrazine hydrate using palladized charcoal or Raney nickel as the catalyst is described

Strong interaction experiments at the ZGS

The history of two related strong interaction experiments carried out at the Argonne ZGS accelerator in the mid 1960’s is described. These experiments involved the study of the production and decay distributions of π+p→ρ+N for forward production of ρ, and π+p→N∗+π for backward production of N∗. Special emphasis is given to the role played by Kent Terwilliger in conceiving these experiments and bringing them to a successful conclusion. A literature search is carried out to assess the impact of these experiments on the strong interaction physics of the period.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/87538/2/125_1.pd