Search results for: C. Ramachandran

Items from 1 to 15 out of 15 results

article

Discovery of buried historical structures in the Kaveri–Kollidam interfluve, southern India

Mu. Ramkumar, K. Kumaraswamy, K. Balasubramani, S. Abdul Rahaman, more

Archaeological Prospection > 26 > 1 > 73 - 88

The Srirangam interfluve, formed between the Kaveri and Kollidam Rivers in southern India, has been a religious and cultural human settlement for over 2000 years of recorded history. It contains thousands of ancient, yet in use, man‐made structures. Owing to its geographic location, and episodic catastrophic floods from the Kaveri and Kollidam Rivers, the region has been inundated frequently leading...

article

What ails fisheries insurance in India? An assessment of issues, challenges and future potential

Shinoj Parappurathu, C. Ramachandran, A. Gopalakrishnan, Dilip Kumar, more

Marine Policy > 2017 > 86 > C > 144-155

This paper undertakes a critical assessment of the present state of fisheries insurance in India. Various factors that contribute to the poor performance of fisheries insurance in the country were identified and ranked based on the responses of fishermen and fish farmers in major maritime states. In the light of the findings, measures such as leveraging the potential of technological interventions,...

article

Optimization of Shelf Stability of Sugarcane Juice with Natural Preservatives

C. Ramachandran, R. Sudha Rani, K. Lavanya, S. Nivetha, more

Journal of Food Processing and Preservation > 41 > 1 > n/a - n/a

Extracts of moringa seed and leaf (Moringa oleifera); lemon (Citrus limon) and ginger (Zingiber officinale) were added to fresh sugarcane juice in different combinations and evaluated on storage at 2, 4 and 30C. Combination of moringa seed extract with lemon and ginger showed high antimicrobial activity when compared with sodium benzoate (as chemical preservative), at the permitted level. Lemon lowered...

chapter

La vie enregistrer

M. Yogesh, C. Ramachandran, K. Venkatraman, VKG. Kalaiselvi

2017 2nd International Conference on Computing and Communications Technologies (ICCCT) > 151 - 154

2017 2nd International Conference on Computing and Communications Technologies (ICCCT)

“The true sign of knowledge is not intelligence but imagination”-Albert Einstein. One of the most common and noticeable accidents is bomb blast which takes away the lives of millions of people. The major percentage of death rate which has occurred due to the bomb blasts is in the period of 1996–1998 with a death toll of nearly 2500. Our proposed system (lavie enregistrer) aims at providing security...

article

Acoustic investigation of wall jet over a backward-facing step using a microphone phased array

Raimund F. Perschke, Rakesh C. Ramachandran, Ganesh Raman

Journal of Sound and Vibration > 2015 > 336 > Complete > 46-61

The acoustic properties of a wall jet over a hard-walled backward-facing step of aspect ratios 6, 3, 2, and 1.5 are studied using a 24-channel microphone phased array at Mach numbers up to M=0.6. The Reynolds number based on inflow velocity and step height assumes values from Reh=3.0×104 to 7.2×105. Flow without and with side walls is considered. The experimental setup is open in the wall-normal direction...

article

Wind turbine noise measurement using a compact microphone array with advanced deconvolution algorithms

Rakesh C. Ramachandran, Ganesh Raman, Robert P. Dougherty

Journal of Sound and Vibration > 2014 > 333 > 14 > 3058-3080

This paper experimentally investigates the noise from a large wind turbine (GE 1.5MW) with a compact microphone array (OptiNav 24) using advanced deconvolution based beamforming methods, such as DAMAS and CLEAN-SC beamforming algorithms, for data reduction. Our study focuses on the ability of a compact microphone array to successfully locate both mechanical and aerodynamic noise sources on the wind...

article

Protective and restorative effects of a Commiphora mukul gum resin and triheptanoin preparation on the CCL‐110 skin fibroblast cell line

C. Ramachandran, K‐W. Quirin, A. Resek, S.J. Melnick

International Journal of Cosmetic Science > 34 > 2 > 155 - 160

Coenzyme Q10 (CoQ10) is a major ingredient in skin care products because of its anti‐wrinkle effects, although it has some side effects especially at higher amounts. In this study, we compare the anti‐wrinkle related properties of CoQ10 and a proprietary Commiphora mukul gum resin (guggul) and triheptanoin preparation (GU‐TC7). GU‐TC7 is prepared with a supercritical CO₂‐co‐solvent extraction with...

article

A unified class of k-uniformly convex functions defined by the Dziok–Srivastava linear operator

C. Ramachandran, T.N. Shanmugam, H.M. Srivastava, A. Swaminathan

Applied Mathematics and Computation > 2007 > 190 > 2 > 1627-1636

The main purpose of this paper is to introduce a new class UH(q,s,λ,β,k) of functions which are analytic in the open unit disk Δ={z:z∈Cand|z|<1}. We obtain various results including characterization, coefficient estimates, and distortion and covering theorems, for functions belonging to the class UH(q,s,λ,β,k).

article

Vanadate inhibition of protein tyrosine phosphatases in Jurkat cells: modulation by redox state

Cary Cuncic, Nancy Detich, Diane Ethier, Alan S. Tracey, more

JBIC Journal of Biological Inorganic Chemistry > 1999 > 4 > 3 > 354-359

AbstractVanadate is a potent reversible inhibitor of protein tyrosine phosphatases (PTP) in vitro. Vanadate has been shown to increase the phosphotyrosine levels in some cell types whereas in others, like the Jurkat T-lymphoma, vanadate has no effect. The reason for the apparent lack of effect of vanadate in Jurkat cells was investigated in this study. Alteration of the redox state of these cells...

article

The influence of lipid composition and lamellarity of liposomes on the physical stability of liposomes upon storage

J. du Plessis, C. Ramachandran, N. Weiner, D.G. Müller

International Journal of Pharmaceutics > 1996 > 127 > 2 > 273-278

The physical stability of the four liposomal systems was determined on storage at 4 and 25°C over a 6-month period. A correlation of the mean volume diameter, zeta potential and pH lead to the conclusion that stability follows the order of egg lecithin (PC)/cholesterol (CH)/stearylamine (SA) < PC/CH/phosphatidylserine (PS) < bovine brain ceramides (CM)/CH/palmitic acid (PA)/CS < PC/CH/cholesteryl...

article

Targeted delivery to the pilosebaceous unit via liposomes

Andrea C. Lauer, C. Ramachandran, Linda M. Lieb, Susan Niemiec, more

Advanced Drug Delivery Reviews > 1996 > 18 > 3 > 311-324

The significance of the pilosebaceous unit (hair follicle and sebaceous glands) as a route for passive drug delivery into the skin remains a controversial subject. The pilosebaceous unit is a complex, dynamic structure, which is the site of unique biochemical, metabolical and immunological events. Recent topical delivery studies have employed increasingly systematic, quantitative methodologies in...

article

Topical delivery of growth hormone releasing peptide using liposomal systems: an in vitro study using hairless mouse skin

D. Fleisher, S. M. Niemiec, C. K. Oh, Z. Hu, more

Life Sciences > 1995 > 57 > 13 > 1293-1297

The results of this study clearly demonstrates the utility of novel non-ionic liposomal systems in facilitating transfer of GHRP-6 into and across deeper strata of skin following topical application. These findings indicate that it may be possible to deliver therapeutic doses of a wide variety of peptides to local skin tissue via topical application. The results also suggest the possibility of controlled...

article

Transfollicular Drug Delivery

Andrea C. Lauer, Linda M. Lieb, C. Ramachandran, Gordon L. Flynn, more

Pharmaceutical Research > 1995 > 12 > 2 > 179-186

The hair follicle, hair shaft, and sebaceous gland collectively form what is recognized as the pilosebaceous unit. This complex, three-dimensional structure within the skin possesses a unique biochemistry, metabolism and immunology. Recent studies have focused on the hair follicle as a potential pathway for both localized and systemic drug delivery. Greater understanding of the structure and function...

article

Evaluating layout area tradeoffs for high level applications

F.J. Kurdahi, C. Ramachandran

IEEE Transactions on Very Large Scale Integration (VLSI) Systems > 1993 > 1 > 1 > 46 - 55

The authors address the problem of evaluating area tradeoffs for VLSI layouts from high-level specifications (typically register-transfer level). An area prediction approach based on two models, analytical and constructive, are presented. A circuit design is partitioned recursively down to a level specified by the user, thus generating a slicing tree. An analytical model is then used to predict the...

article

On the mechanism by which inorganic phosphate stimulates mitochondrial calcium transport

Fyfe L. Bygrave, C. Ramachandran, Robyn L. Smith

FEBS Letters > 1977 > 83 > 1 > 155-158

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