Cationic Antimicrobial Peptides in Humans

Cationic Antimicrobial Peptides in Humans Antimicrobial peptides Introduction Cationic antimicrobial peptides (AMPs) are gene-encoded peptides of the host defence system made up of 12-50 amino acids, with at least 2 positive charges conferred by lysine and arginine residues and about 50% hydrophobic amino acids (Hancock and Scott 2000). They are produced from gene transcription and ribosomal translation and often, further proteolytically processed (Zhoa 2003). The peptides are folded so that non-polar amino acid side-chains form a hydrophobic face and polar, positively charged residues form a hydrophilic face (Robert and Hancock 1997). Expression of antimicrobial peptides can be constitutive or inducible by infectious or inflammatory stimuli like cytokines, bacteria and lipopolysaccharides (LPS) (Cunliffe and Mahida 2004). They have diverse structures to effectively kill a wide range of microbes at prone sites e. g the skin and lungs, and in secretions such as sweat and saliva (Yeaman and Yount 2004; Santamaria 2005). Many mammalian antimicrobial peptides rouse the host’s innate immune system (Jenssen et al 2006) instead of directly killing the host. Peptides which are found in living organisms from bacteria to plants, insects, fish, amphibians to mammals including humans (Kamysz 2005) are recorded in numerous existing databases e. g. AMSDb (Eukaryotic peptides) (Tossi and Sandri 2002), BAPDb (bacterial peptides), ANTIMIC (natural antimicrobial peptides) (Brahmachary et al 2004) and APPDb. Currently, 1831 peptides are hosted by the Antimicrobial peptide database with 99 antiviral, 453 antifungal, 100 anticancer and 1179 antibacterial peptides (The Antimicrobial Peptide database 2010). In humans, antimicrobial peptides are produced by granulocytes, macrophages and most epithelial and endothelial cells. They boost the immune system, have anti-neoplastic properties and help in regulating cell signalling and multiplication. Amphibian AMPs have been discovered from the skin of frogs from families ra nging from Iomedusa, Pipidae, Hyperoliidae, Ranidae, Hylidae, Discoglossidae, Agalychnis and Litoria. The structure of these peptides as unravelled by CD spectroscopy, NMR spectroscopy and molecular modeling (Suh et al 1996) have been found to be generally 10-46 amino acid residues long (Rollins-Smith et al 2005), mostly linear and simple-structured, (Conlon et al 2004) the majority being hydrophobic, cationic and possessing an amphipathic a-helix in nature. Following production, they are stored in the granular glands (poison glands) of skin dermal layer to be secreted in response to injury (Bovbjerg 1963), or as defence against pathogenic bacteria, fungi, viruses and parasites. Biologically active molecules including antimicrobial peptides are produced as large proteins harbouring a signal and an acidic propiece which get cut off to give an active peptide prior to or at secretion from the poison glands (Amiche et al 1999). Cationic peptides are also expressed in the gastric mucosa cells and in the intestinal tract (Kamysz 2005). The best-known peptides isolated from frogs are caeruleins, tachykinins, bradykinins, thyrotropin- releasing hormone (Barra and Simmaco 1995), brevinins, esculentins, magainins, ranatuerins and temporins (Conlon et al 2004). In the past, peptides were extracted using solvents like methanol or acid from the skins of amphibians after sun-drying but with concomitant dwindling of many frog species, other alternative techniques have emerged, one of which comprises stimulating the frog using mild electricity and collecting the skin secretion; 2-4 weeks after, the secretion can be re-collected after replenishment of the glands (Barra and Simmaco 1995). Large amounts of small peptides and their analogues which are resistant to protease cleavage and contain D-amino acids can be chemically synthesised while larger peptides can be expressed in a prokaryotic host from cloned cDNAs coding for a fusion protein (Piers et al 1993). An efficient means of producing therapeutic peptides in transgenic mice red blood cells has been explained by Sharma et al (1994) whereby the required peptide is collected from proteolytic cleavage from the fusion protein where the peptide is at the C-terminal end of human a-globin.

Toyota recall is not safe Essay Example | Topics and Well Written Essays - 1250 words

Toyota recall is not safe - Essay Example One of these companies is Toyota Motor Corporation, commonly known as Toyota. This is a multinational corporation with its headquarters in Japan. Toyota has factories in most parts of the world which makes it one of the world’s largest automaker (Toyota, 2010). The cars manufactured by Toyota were considered the best until the series of accidents that were caused by the cars’ design. Some say that the issue was not very serious and it was unnecessarily amplified by its competitors over the media. Very recently, several vehicles faced the problem of the accelerator pedal getting stuck which caused unintended acceleration and hence many accidents. As a corrective measure, Toyota has decided to recall its sold cars and fix them (Reed, P., 2010). According to a source, by January 28, 2010, Toyota had announced recalls of about 5.2 million cars for the pedal entrapment/floor mat problem, and an additional 2.3 million cars for the accelerator pedal problem. Out of these, almost 1.7 million cars have both these problems (Toyota Press Release, 2010). In addition to this, it cut down on its production to a great extent as well. Other companies that have faced the same problems include Honda, Ford, etc. However, the problem faced by these org anizations did not affect their image and financial condition at the same scale as Toyota. Now when we talk about this incident and Toyota’s reaction of recalling the cars that were potentially damaged, people often take two different sides. Some say that the Toyota recall was a good idea while some disagree. It is very important that all aspects of this issue are discussed so that we can understand the strategy better from all angles. Therefore, in this paper, we will discuss both sides of the argument in the coming paragraphs, firstly discussing the arguments for the Toyota recall. The Toyota recall is believed to be the best thing for everyone. We noted in the

Structural Concept Essay Example | Topics and Well Written Essays - 500 words - 1

Structural Concept - Essay Example The piles will be generated using continuous beams originating from standard non-stop beam components linked to the node of elements through flows also called non-linear springs. This type of technology mixes in-situ soils together with cementitious materials in the process of forming a vertical stiff inclusion in the soil structure. The process entails rotating the mixing tool downwards to the designed depth. On reaching the appropriate depth, the construction engineer reverses the rotation of the mixing tool and starts withdrawing it at a standardized rate (Nelson 2005). The engineer forces into the ground agents that include slaked lime, quicklime, fly ash, and cement during advancement and withdrawal of the mixing tool. Other agents commonly referred to as binders introduced in the entire process in form of either wet slurry or dry powder. This technology shares familiar elements with the deep mixing technology with differences appearing in very high-pressure fluids that are applicable in the jet grouting technology in the process of eroding subsurface soil particles and used in mixing them with cement. This technology applies hydraulic energy to erode the soil as well as mix or replace the eroded soil with an engineered grout of water and cement in the process of forming a solidified in-situ component. Various subsurface geometries apply in the process of installing Jet Group elements. The tools for performing jet grouting remains special but many contractors are available and can help in continuing with technology. Engineers erect gadgets as close as possible to existing structures of embankment such as railways to strengthen resistance of the embankment and prevent failures from stability. They are made of few compacted meters of material with a height of one to two meters (Nelson 2005). They are also cost effective compared to other structures. However, its ability to reduce vibration and settlements is very low. In

Art Appreciation Essay Example | Topics and Well Written Essays - 750 words - 3

Art Appreciation - Essay Example A spiral design can be seen throughout the work. The spiral design was used by the artist with a view of presenting perseverance. The artist seems to have found a number of examples regarding the spiral design as petroglyphs, which is common to many tribes. Each tree surface is covered using images as well as text, which chronicle the Indians history. Regarding the themes of each tree, they seem to be presented roughly in a chronological order. Tree One is the starting point of the artwork and it depicts imagery mainly from Ancestral Puebloans (Denver Art Museum). This comes out as a way of representing ancient times. Tree Two, on the other hand, shows the history of Bent’s Fort. It further explores the themes of coexistence. This exploration is specifically the relationships that are based on trade between the various nations presented. Bent’s Fort has a tepee and shows the existence of a close relationship between the tribes and Fort. On this tree, question marks are indicated in reverse form. These marks indicate the impression of the non-existence of peaceful trade relationships (Denver Art Museum). Tree Three deals with the tribes of Cheyenne and Arapaho. These two tribes occupied the eastern side of Colorado. Besides, two historic massacres that point to the destructive effect of the United States Amy as well as the expansion of railroad on the native people. The tracks, in this case, are read in terms of the railway’s wounds approaching the native communities.

Homeless veterans in the US

Homeless veterans in the US WHO ARE HOMELESS VETERANS? Abstract It ought to be evident at this point that destitute veterans are not being served well by any means. On the off chance that the destitute veterans were legitimately looked after by our nation, the aggregate destitute populace would fall by more than forty percent over night. Destitute administrations would then have adequate subsidizing to move huge numbers of whatever is left of the destitute off the roads into transitional lodging with administrations that bring them again into the working populace. It would be a fantasy works out. If our nation would venture up to the plate, vagrancy in our nation would be essentially disposed of. Vagrancy among veterans is a real issue in United States. There are projects and administrations to help veterans, yet these endeavors are insufficient to viably address the emergency. This paper characterizes destitute veterans, analyzes their conditions, distinguishes current projects that address the issue, presents contentions for business as usual, presents contentions against the norm, and afterward closes with an ethical position. Thesis statement Destitute veterans are a real social issue confronting our general public today. Vagrancy among United States veterans are of specific concern to the general public in light of the fact that everybody sees a percentage of the weights confronting vets after coming back to regular citizen life. Who are homeless veterans then? The U.S. Division of Veterans Affairs (VA) states that the nations dejected veterans are male, with around 7.5 percent being female. The larger parts are single; live in urban zones; and experience the evil impacts of passionate insecurity, alcohol and/or substance sick utilization, or co-incident issue. Background Information The specialists accept that destitute veterans make up around 11 percent of the United States destitute populace. Veterans encountering long haul vagrancy are more inclined to be white to have a poor job history, to have side effects of mental and substance ill-use issue, and to have weaker social backing (Applewhite, 1997). Ladies veterans and those with handicaps including post-traumatic anxiety issue and traumatic mind harm are more prone to end up destitute, and a higher rate of veterans coming back from the present clashes in Afghanistan and Iraq have these attributes. Prepared volunteers with the 100,000 Homes Campaign overviewed more than 23,000 destitute Americans in 47 groups the nation over and discovered that veterans have a tendency to be destitute longer than non-veterans. Indeed, destitute veterans reported a normal of about six years destitute, contrasted with four years among non-veterans. The researchers acknowledge that desperate veterans make up around 11 percent of the United States down and out masses, which are around 31 penniless veterans for every ten thousand veterans. This figure is much higher than the rate of vagrancy in the overall population (Peterson, 1987). Veterans experiencing long term vagrancy are more disposed to be white to have a poor occupation history, to have reactions of mental and substance sick utilization issue, and to have weaker social support. There is stress over whats to come. Women veterans and those with debilitations including post-traumatic uneasiness issue and traumatic personality damage are more inclined to wind up dejected and a higher rate of veterans returning from the present conflicts in Afghanistan and Iraq has these traits (Bascetta, 2005). Arranged volunteers with the 100,000 Homes Campaign diagramed more than 23,000 down and out Americans in 47 gatherings the country over and found that veterans tend to be penniless longer than non-veterans. Undoubtedly, penniless veterans reported an ordinary of around six years down and out, appeared differently in relation to four years among non-veterans. The Main Body Veterans are 50% more inclined to end up destitute than different Americans because of neediness, absence of bolster systems, and grim living conditions in packed or substandard lodging. Around 1.5 million veterans are considered at-danger of vagrancy. At danger is characterized as being beneath the neediness level and paying more than 50% of family unit salary on rent. It additionally incorporates families with a part who has a handicap, an individual living alone, and the individuals who are not in the work power (Baumohl, 1996). Exploration demonstrates that the most serious danger components for vagrancy are absence of bolster and social detachment after release. Veterans have low marriage rates and high separate rates; and, at present, 1 in 5 veterans is living alone. Informal organizations are especially essential for the individuals who have an emergency or need interim help. Without this help, they are at high hazard for vagrancy (Jasper, 2009). Ladies veterans face challenges that could add to their dangers of vagrancy. They are more prone to have encountered sexual injury than ladies in the overall public and are more probable than male veterans to be single folks. Truly, couple of destitute projects for veterans has had the offices to give separate housing to ladies and ladies with youngsters. How do Veterans get to be destitute? Our Veterans, the ones who serve in the United States Military, have battled for our nation and others. They have served us well by deserting their families and wandering off into obscure terrains like Iraq and Afghanistan to do right by us of them. We call them Heroes until they return home. Our Heroes return securely home from death and annihilation just to be made mindful that they are the same as any other person. Well if our Veterans are dealt with more any other individual than vagrancy wont separate. Our Heroes get back home excited to see their families and to begin a so call ordinary regular citizen life. Their psyches are loaded with recollections of seeing companions kick the bucket or recollections of taking an individuals life. The Veteran are faced with issues ranging from managing trials, tribulations and dissatisfactions of unemployment in view of absence of abilities and preparing which prompts exorbitant lodging to look after dep endability (McNamara, 2008). Vagrancy happens among families with youngsters and single people, in provincial groups and in addition vast urban communities, and for differing times of time. Contingent upon circumstances, times of vagrancy may differ from days to years. Transitionally vagrants are the individuals who have one short stay in a destitute asylum before coming back to changeless lodging. The individuals who are verbosely destitute every now and again move all through vagrancy however dont stay destitute for drawn out stretches of time. Chronically destitute people are the individuals who are destitute ceaselessly for a time of one year or have no less than four scenes of vagrancy in three years. Chronically destitute people frequently experience the ill effects of maladjustment and/or substance utilization issue (Nchv.org, 2015). Destitute veterans started to go to the consideration of general society while vagrancy for the most part was getting to be more normal. News records chronicled the predicament of veterans who had served their nation yet were living and kicking the bucket in the city. The usually held idea that the military experience furnishes youngsters with occupation preparing, instructive and different advantages, and in addition the development required for a profitable life, clashed with the vicinity of veterans among the destitute populace. With a specific end goal to fit the bill for support under the destitute veteran projects administered by Title 38 of the U.S. Code, veterans must meet the meaning of destitute veteran. Declining wages and increasing expenses of lodging have confused veteran vagrancy and have put lasting lodging out of scope for a few veterans. Giving these veterans Section 8 vouchers, or other comparative lodging vouchers, are viable approaches to get the veterans off the lanes (Peterson, 1987). Both male and female Veterans are more inclined to be destitute than their non-veteran partners in the same age companions. Rates of dysfunctional behavior and substance misuse and wellbeing issues, for example, HIV/AIDS, and hypertension may be higher among destitute Veterans. Conclusion Reasons for vagrancy among Veterans are like reasons for vagrancy among non-Veterans interrelated monetary and individual variables and lack of reasonable lodging. About a large portion of a million Veterans pay more than a large portion of their pay for rent. Dominant part of destitute Veterans are single; social disengagement is connected with higher danger of vagrancy (Rosenheck Koegel, 1993). Destitute veterans are a real social issue confronting our general public today. Vagrancy among United States veterans are of specific concern to the general public in light of the fact that everybody sees a percentage of the weights confronting vets after coming back to non-military personnel life. Genuine measures need to be taken to spare the fallen troopers from the hazards of a frantic life in the city of America. We should first comprehend the life of destitute vets to draw profitable knowledge into why customary endeavors at fathoming this issue are unprofitable. The general public needs to bring possession in living up to expectations with State and Federal Government to execute effective arrangements which create positive results in wiping out vagrancy among our veterans. Destitute female vets are frequently disregarded in current techniques and we have to contemplate this and create suitable answers for the overlooked sexual orientation. At long last, restoring vets to a ga inful part in the public arena is a continuous process and requires more than putting a transitional rooftop over their heads and rotating entryway recovery treatment (Sweet, 1987). Other psychological well-being issues that may bring about subjective disabilities challenges with focus or recalling errands, troubles in social connections or controlling temper or motivations, or different impacts that may make boundaries to business and stable connections. Veterans have a tendency to be more youthful and are more prone to have youngsters. Contrasted with destitute male Veterans, ladies Veterans are more inclined to have a background marked by sexual injury or genuine maladjustment, and less inclined to have genuine substance misuse issues(McNamara, 2008). Bibliography Apple white, S. (1997). Homeless Veterans: Perspectives on Social Services Use. Social Work, 42(1), 19-30. Bascetta, C. (2005). Homeless veterans. [Washington, D.C.]: U.S. Government Accountability Office. Baumohl, J. (1996). Homelessness in America. Phoenix, Ariz.: Oryx Press. Jasper, M. (2009). Veterans rights and benefits. New York: Oceana. McNamara, R. (2008). Homelessness in America. Westport, CT: Praeger. Peterson, M. (1987). Homeless Veterans, Continued. PS, 38(7), 774-775. Rosenheck, R., Koegel, P. (1993). Characteristics of Veterans and Nonveterans in Three Samples of Homeless Men. PS, 44(9), 858-863. Sweet, M. (1987). Homeless Veterans. PS, 38(1), 78-79. doi:10.1176/ps.38.1.78

Section 377 :: History Historical 377 Essays

Section 377 On October 6, 1860, the Indian Law Commission, lorded over by Lord Macauly (Bhaskaran 15), took out a giant-sized Elmer’s glue-stick and applied quantities of super-sticky lines to the reverse of Section 377, a colonial antisodomy statute to be included in the Indian Penal code (15), which was on a massive slice of parchment perfectly India-shaped, before it was pastily placed over the subcontinent of Asia. Like a shimmering gem in a place setting carefully crafted by a jeweler for a crown worn by a foreign conqueror heading the globe, its broadcast with the seduction of TV: Whoever voluntarily has carnal intercourse against the order of nature with any man, woman, or animal, shall be punished with imprisonment for life, or with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine. Explanation. Penetration is sufficient to constitute the carnal intercourse necessary to the offence described in this section. Comment. This section is intended to punish the offence of sodomy, buggery and bestiality. The offense consists in a carnal knowledge committed against the order of nature by a person with a man, or in the same unnatural manner with a woman, or by a man or woman in any manner with an animal. (Bhaskaran 15) As the British soldiers stomped in quick-time across the surface, the Indians became stuck in the glue and it dried upon their skin leaving permanent marks molding them into the British Victorian 1800s, a feat of timespace travel, and the soldiers sang: Take up the White Man’s burden-- The savage wars of peace-- Fill full the mouth of famine And bid the sickness cease; And when your goal is nearest The end for others sought, Watch sloth and heathen Folly Bring all your hopes to naught. Take up the White Man’s burden-- (Kipling qtd. in Halsall) In response to the effects of the glue, Macauly is quoted as having said, â€Å"Our principle is simply this--uniformity when you can have it; diversity when you must have it; but, in all cases certainty † (Bhaskaran 20). â€Å"Where women are not imagined to have sexual agency at all, lesbian sex is not outlawed because it is not imagined to exist† (Bacchetta 951). For this reason, women are not subject to Section 377 legally; however, women who love women are still threatened with it (Bhaskaran 26). Section 377 :: History Historical 377 Essays Section 377 On October 6, 1860, the Indian Law Commission, lorded over by Lord Macauly (Bhaskaran 15), took out a giant-sized Elmer’s glue-stick and applied quantities of super-sticky lines to the reverse of Section 377, a colonial antisodomy statute to be included in the Indian Penal code (15), which was on a massive slice of parchment perfectly India-shaped, before it was pastily placed over the subcontinent of Asia. Like a shimmering gem in a place setting carefully crafted by a jeweler for a crown worn by a foreign conqueror heading the globe, its broadcast with the seduction of TV: Whoever voluntarily has carnal intercourse against the order of nature with any man, woman, or animal, shall be punished with imprisonment for life, or with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine. Explanation. Penetration is sufficient to constitute the carnal intercourse necessary to the offence described in this section. Comment. This section is intended to punish the offence of sodomy, buggery and bestiality. The offense consists in a carnal knowledge committed against the order of nature by a person with a man, or in the same unnatural manner with a woman, or by a man or woman in any manner with an animal. (Bhaskaran 15) As the British soldiers stomped in quick-time across the surface, the Indians became stuck in the glue and it dried upon their skin leaving permanent marks molding them into the British Victorian 1800s, a feat of timespace travel, and the soldiers sang: Take up the White Man’s burden-- The savage wars of peace-- Fill full the mouth of famine And bid the sickness cease; And when your goal is nearest The end for others sought, Watch sloth and heathen Folly Bring all your hopes to naught. Take up the White Man’s burden-- (Kipling qtd. in Halsall) In response to the effects of the glue, Macauly is quoted as having said, â€Å"Our principle is simply this--uniformity when you can have it; diversity when you must have it; but, in all cases certainty † (Bhaskaran 20). â€Å"Where women are not imagined to have sexual agency at all, lesbian sex is not outlawed because it is not imagined to exist† (Bacchetta 951). For this reason, women are not subject to Section 377 legally; however, women who love women are still threatened with it (Bhaskaran 26).

Invisalign Case Study Essay

Customer: The patient holds the beginning and end of the channel flow in the Invisalign process, looking for a service for malocclusion treatment from their orthodontist. Customers of Invisalign have the edge by having nearly invisible aligners, removable while eating, and hygiene of the aligners while eating and cleaning. Orthodontist: Orthodontists are the main source for the customer whether to suggest invisalign to them or not. If suitable, the orthodontist will go for photographs, X-rays, impressions of dental arches, a wax bite and an Invisalign prescription for the patient. This information is then sent to the next channel member in Santa Clara for processing. 3-D simulations were developed in Pakistan. The orthodontist will make adjustments and corrections to the proposal after getting from Pakistan. A program called â€Å"ClinCheck† is used to view the 3-D simulation, of the proposed treatment plan. Any changes made are sent back to Pakistan for correction. The orthodontist also works with the customer to maximize insurance coverage along with a payment plan to cover the cost of the treatment. Major motive why Invisalign are preferred over traditional braces include reduced labor and chair time, minimal training and potential to increase patient base. Invisalign: The Santa Clara headquarters serves as focal point between all channel members. Once Invisalign receives the patient’s information from the orthodontist, employees analyzes the data and constructs plaster and computer models of the current dentition. After completion, this model is forwarded to Pakistan for further analysis. Santa Clara is also responsible for approving the simulated treatment proposal created in Pakistan along with constructing a series of molds of the patient’s teeth for each of the 2 weeks before sending them to Mexico. Financially, Invisalign is responsible for providing monetary incentives to orthodontists that refer their business. This includes establishing pricing and discounts to provide the  service to the end customer. Software Development (Pakistan): The patient’s treatment plan is designed in Pakistan, which includes simulated tooth movements for each of the two weeks for the entire treatment process. Once approved by Invisalign and the orthodontist, these molds are then sent to the next channel in Mexico for production. Manufacturing (Mexico): Aligners are created from the molds received. They are trimmed, cleaned, polished and inspected before they are shipped directly to the orthodontist, which then forwards to the end customer. Traditional Braces Traditional braces flow channel comprises of: * Customer * Dentist * Orthodontist Customer: Similar to Invisalign, the patient starts and ends the channel flow in the traditional braces process. The patient may either inquire or be referred by their dentist to seek malocclusion treatment. The cost of traditional braces tends to be cheaper than Invisalign. Dentist: The patient visits their general dentist and if malocclusion is diagnosed, a referral is made to an orthodontist. Orthodontist: In the initial visit with the orthodontist, X-rays, photographs and dental moldings are collected from the patient. A treatment plan is created and in the next visit, brackets are cemented to each tooth and linked with an arch wire. The patient returns monthly for retightening and adjustments. At the end of treatment, the brackets are removed and replaced with plastic retainers. Some of the reasons why orthodontists choose traditional braces over Invisalign are credibility, cost and low level of patient compliance. 2. Invisalign Advertising Channel There are different functions performed by advertising channel. There are three different channels used by Invisalign for promotion, these are: 1. The sales force 2. Call centers 3. Media ads These channels are designed to increase the awareness in the customers regarding Invisalign and also to reach the customers through different ways. The target customers are the dentists, orthodontists and patients. These services are the part of marketing strategy of Invisalign to capture more and more customers through direct contact and through referrals. The sales force setup was used to target the orthodontists, who are the key focal point for the patients. Besides introducing Invisalign, sales force also used to train the orthodontists on case selection, pricing and how to use the Invisalign website and ClinCheck software. These types of trainings with orthodontists created a sense of security and care of Invisalign for its customers. Also it would help the orthodontists to get equip with the tools needed to recommend Invisalign to their patients. We can say that Invisalign uses push strategy to generate the sales. The second source was call centers. It is for those customers who are more curious in knowing about the Invisalign, these customers can call at toll free number, 1-800-INVISIBLLE. Customers will get the desired information regarding invisalign by calling this number. The third medium used was media ads. This includes direct mails, journals advertising and trade shows. In these activities customers are convinced to use Invisalign. As dentists are the main source of referrals to orthodontists, these ads also provide awareness to the dentists regarding any new development in invisalign, so that they could recommend it to their customers. We can say that Invisalign uses Pull strategy here to attract customers. Question # 3: Are there any gaps in the channel? Are channel members performing functions that invisalign intends them to do? If not, why not? Demand-Side Gaps: Capturing the Existing Market: The market of potential malocclusion customers is about 200 million individuals. Only 2 million actually elect orthodontic treatment (1 % of potential market); half of those customers (1 million) do not even go for the treatment, this is the first â€Å"gap† in the channel. This is due to the very nature of the product, since the orthodontist treatment requires dentition to be constantly observing the patient and to make corrections in advance. One of the important members of the process is the orthodontists. This member stands between the customer and Invisalign’s product, it is the responsibility of the orthodontist to recommend Invisalign to more and more customers but it found to push the product less enthusiastically than desired by Align. There might be conflict of objective here among the two members. Nominally, 25 percent of the nation’s orthodontists have not been trained on the new system. This detracts from the spatial convenience of the marketing channel. Capturing the potential market: Besides the 1 million qualifying patients in the existing market, the promise of the invisalign product is to expand into the population of non-children that have IV-treatable malocclusion (80 percent of people above the age 15), but do not seek orthodontic treatment. â€Å"Orthodontists (should) be eager to expand their patient base,† said Zia Chishti. Indeed, only a relatively small proportion of this potential population seeks treatment because of the drawbacks associated with conventional treatment, but Align’s process overcomes many of these shortcomings (as described in case study). This gap might be attributed to the orthodontists (described above) and the media advertisement, which is focused on raising awareness, and describes advantages over the conventional method (instead of brand benefits). Supply-Side Gaps: Delivery Incentives: A possible gap in the delivery of the offering may stem from the basic economic incentive for orthodontists. Profit margins were about the same for  both Invisalign and Traditional Braces ($3,600 vs. $3,500 gross, or 88% vs. 66%, respectively). So short of the orthodontists possessing very high brand loyalty or customers specifically requesting the Invisalign treatment, the promotion to customers breaks down here. In addition, the ClinCheck simulation takes 3-4 weeks to complete. This seems like a very long time. Invisalign may find a way to incentivize Pakistan to turn around the simulations faster to cut down on production time. Likewise, incentives for the sales force were designed for the objective of brand awareness (bonuses based on non-sales activities). The company is now looking for boosted sales, so it may its current plan may be affecting sales. Production Process Time: Invisalign has essentially inserted itself right in the middle of the traditional malocclusion treatment process. As, the procedures of invisalign is entirely customized (fitted) to each patient. These two facts combined create a longer supply chain this is why the entire supply chain works slowly as the order and product get routed through the various intermediaries. The Invisalign process includes three centers (Santa Clara, Pakistan and Juarez, Mexico). The entire process took up to six weeks, compared to an immediate treatment with traditional braces. As we know that Customers increasingly prefer faster delivery channels. Question # 4: Are channel power sources affecting Invisalign’s success? If so, how? Answer: yes, the channel power sources do affect the Invisalign’s success. Being the part of product flow and promotion channel, the channel members have the power to affect the Invisalign’s success. Orthodontists: The greatest power source affecting Invisalign’s success is the orthodontist. He stands in-between Align and the patient, and has the power of his expertise. The two customer segments (health conscious and beauty conscious) value their orthodontist’s opinion. Indeed, conversion seems to disappears at the stage were orthodontists are engaged: over 3,500 referrals to orthos every week from IV, but only 100 customers sign up (8,000 calls, 80% referred to ortho, 55 to 65 percent follow up, 3 percent convert to sales).  His expert power validates IV’s treatment to customers even though his impetus may lie in something non-expertise, such as his economic incentive (profit margin) or reception to change. Dentists Invisalign’s â€Å"exclusive† distribution to orthodontists prompted one general-practice dentist to file a legal complaint against Align, alleging anti-trust laws were violated. Aside from this legitimate power, dentists exercise a type of referent power. Since dentists are to refer qualifying customers to orthodontists, their choice could end up helping or hurting conversion rates for IV, depending on the referred orthodontist’s brand loyalty to IV. Invisalign Invisalign’s sales force uses a tiering structure which rewards orthodontists who are very proficient in the Invisalign process. IV commits more resources and potential business (through their call center and website) to these valued doctors. In this way, IV can extend extra benefits for performing in a manner consistent with its own objectives. Patients Patient compliance affects IV’s success because of the high degree of participation required for a success treatment (aligners were removeable at the patients discretion). Some orthodontists did not like being associated with a treatment that could fail from no doing of their own. Therefore, patients show a sort of anti-referent power–doctors did not want to be â€Å"associated† with them. Question # 5: What would you do to complete conversion? Our team proposes the IV offering is closer to the growth stage in the product life cycle than it is to the introduction stage. Marketing channels should change as the product moves along in its cycle. Our umbrella suggestion is to have dentists administer the IV treatment process. Specifics are outlined here. * Intensive distribution. There are 14 times more general dentists than orthodontists. IV should move from selective  distribution to intensive. The increased number of retailers (dentists and orthodontists) makes it easier and more likely for patients to receive treatment (enhance spatial convenience). The increased distribution should drive prices down as retailers compete for customers; dentists may be willing to accept lower margins than the orthodontists. * Better align incentives. â€Å"Being able to stimulate channel members to top performance starts with understanding their needs and wants† (pg 423, marketing textbook). Dentists are incentivized by volume of patients and perform non-specialized tasks that require less treatment, all opposite of the orthodontists. This matches brilliantly with the IV offering. In fact, some of the characteristics seen as unattractive from the orthodontists would be viewed as benefits for dentists. * Heterogeneous customers. The offering can be adjusted to match the needs/wants of the various segments of customers. This idea comes from the readings on CRM programs. Each patient segment (prior use, beauty and health conscious) has different preferences and a varied propensity to buy, as would the retailers (dentists and orthodontists). The other side to this is IV can â€Å"fire† bad orthodontists, which is another way of saying reward/coercive power can be exercised more exactly. * Brand benefits. Because brand awareness is achieved (80 percent), advertisement should shift focus from aesthetic advantages over the traditional system (the a $40 million media campaign) to brand benefits. The existing approach approach targets the existing market. We want to capture some of the potential market–the big table!